source3/smbd/trans2.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    SMB transaction2 handling
   4    Copyright (C) Jeremy Allison                 1994-2007
   5    Copyright (C) Stefan (metze) Metzmacher      2003
   6    Copyright (C) Volker Lendecke                2005-2007
   7    Copyright (C) Steve French                   2005
   8    Copyright (C) James Peach                    2006-2007
   9
  10    Extensively modified by Andrew Tridgell, 1995
  11
  12    This program is free software; you can redistribute it and/or modify
  13    it under the terms of the GNU General Public License as published by
  14    the Free Software Foundation; either version 3 of the License, or
  15    (at your option) any later version.
  16
  17    This program is distributed in the hope that it will be useful,
  18    but WITHOUT ANY WARRANTY; without even the implied warranty of
  19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20    GNU General Public License for more details.
  21
  22    You should have received a copy of the GNU General Public License
  23    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  24 */
  25
  26 #include "includes.h"
  27 #include "system/filesys.h"
  28 #include "version.h"
  29 #include "smbd/smbd.h"
  30 #include "smbd/globals.h"
  31 #include "../libcli/auth/libcli_auth.h"
  32 #include "../librpc/gen_ndr/xattr.h"
  33 #include "../librpc/gen_ndr/ndr_security.h"
  34 #include "libcli/security/security.h"
  35 #include "trans2.h"
  36 #include "auth.h"
  37 #include "smbprofile.h"
  38 #include "rpc_server/srv_pipe_hnd.h"
  39
  40 #define DIR_ENTRY_SAFETY_MARGIN 4096
  41
  42 static char *store_file_unix_basic(connection_struct *conn,
  43                                 char *pdata,
  44                                 files_struct *fsp,
  45                                 const SMB_STRUCT_STAT *psbuf);
  46
  47 static char *store_file_unix_basic_info2(connection_struct *conn,
  48                                 char *pdata,
  49                                 files_struct *fsp,
  50                                 const SMB_STRUCT_STAT *psbuf);
  51
  52 /********************************************************************
  53  Roundup a value to the nearest allocation roundup size boundary.
  54  Only do this for Windows clients.
  55 ********************************************************************/
  56
  57 uint64_t smb_roundup(connection_struct *conn, uint64_t val)
  58 {
  59         uint64_t rval = lp_allocation_roundup_size(SNUM(conn));
  60
  61         /* Only roundup for Windows clients. */
  62         enum remote_arch_types ra_type = get_remote_arch();
  63         if (rval && (ra_type != RA_SAMBA) && (ra_type != RA_CIFSFS)) {
  64                 val = SMB_ROUNDUP(val,rval);
  65         }
  66         return val;
  67 }
  68
  69 /********************************************************************
  70  Create a 64 bit FileIndex. If the file is on the same device as
  71  the root of the share, just return the 64-bit inode. If it isn't,
  72  mangle as we used to do.
  73 ********************************************************************/
  74
  75 uint64_t get_FileIndex(connection_struct *conn, const SMB_STRUCT_STAT *psbuf)
  76 {
  77         uint64_t file_index;
  78         if (conn->base_share_dev == psbuf->st_ex_dev) {
  79                 return (uint64_t)psbuf->st_ex_ino;
  80         }
  81         file_index = ((psbuf->st_ex_ino) & UINT32_MAX); /* FileIndexLow */
  82         file_index |= ((uint64_t)((psbuf->st_ex_dev) & UINT32_MAX)) << 32; /* FileIndexHigh */
  83         return file_index;
  84 }
  85
  86 /****************************************************************************
  87  Utility functions for dealing with extended attributes.
  88 ****************************************************************************/
  89
  90 /****************************************************************************
  91  Refuse to allow clients to overwrite our private xattrs.
  92 ****************************************************************************/
  93
  94 static bool samba_private_attr_name(const char *unix_ea_name)
  95 {
  96         static const char * const prohibited_ea_names[] = {
  97                 SAMBA_POSIX_INHERITANCE_EA_NAME,
  98                 SAMBA_XATTR_DOS_ATTRIB,
  99                 SAMBA_XATTR_MARKER,
 100                 XATTR_NTACL_NAME,
 101                 NULL
 102         };
 103
 104         int i;
 105
 106         for (i = 0; prohibited_ea_names[i]; i++) {
 107                 if (strequal( prohibited_ea_names[i], unix_ea_name))
 108                         return true;
 109         }
 110         if (StrnCaseCmp(unix_ea_name, SAMBA_XATTR_DOSSTREAM_PREFIX,
 111                         strlen(SAMBA_XATTR_DOSSTREAM_PREFIX)) == 0) {
 112                 return true;
 113         }
 114         return false;
 115 }
 116
 117 /****************************************************************************
 118  Get one EA value. Fill in a struct ea_struct.
 119 ****************************************************************************/
 120
 121 NTSTATUS get_ea_value(TALLOC_CTX *mem_ctx, connection_struct *conn,
 122                       files_struct *fsp, const char *fname,
 123                       const char *ea_name, struct ea_struct *pea)
 124 {
 125         /* Get the value of this xattr. Max size is 64k. */
 126         size_t attr_size = 256;
 127         char *val = NULL;
 128         ssize_t sizeret;
 129
 130  again:
 131
 132         val = TALLOC_REALLOC_ARRAY(mem_ctx, val, char, attr_size);
 133         if (!val) {
 134                 return NT_STATUS_NO_MEMORY;
 135         }
 136
 137         if (fsp && fsp->fh->fd != -1) {
 138                 sizeret = SMB_VFS_FGETXATTR(fsp, ea_name, val, attr_size);
 139         } else {
 140                 sizeret = SMB_VFS_GETXATTR(conn, fname, ea_name, val, attr_size);
 141         }
 142
 143         if (sizeret == -1 && errno == ERANGE && attr_size != 65536) {
 144                 attr_size = 65536;
 145                 goto again;
 146         }
 147
 148         if (sizeret == -1) {
 149                 return map_nt_error_from_unix(errno);
 150         }
 151
 152         DEBUG(10,("get_ea_value: EA %s is of length %u\n", ea_name, (unsigned int)sizeret));
 153         dump_data(10, (uint8 *)val, sizeret);
 154
 155         pea->flags = 0;
 156         if (strnequal(ea_name, "user.", 5)) {
 157                 pea->name = talloc_strdup(mem_ctx, &ea_name[5]);
 158         } else {
 159                 pea->name = talloc_strdup(mem_ctx, ea_name);
 160         }
 161         if (pea->name == NULL) {
 162                 TALLOC_FREE(val);
 163                 return NT_STATUS_NO_MEMORY;
 164         }
 165         pea->value.data = (unsigned char *)val;
 166         pea->value.length = (size_t)sizeret;
 167         return NT_STATUS_OK;
 168 }
 169
 170 NTSTATUS get_ea_names_from_file(TALLOC_CTX *mem_ctx, connection_struct *conn,
 171                                 files_struct *fsp, const char *fname,
 172                                 char ***pnames, size_t *pnum_names)
 173 {
 174         /* Get a list of all xattrs. Max namesize is 64k. */
 175         size_t ea_namelist_size = 1024;
 176         char *ea_namelist = NULL;
 177
 178         char *p;
 179         char **names, **tmp;
 180         size_t num_names;
 181         ssize_t sizeret = -1;
 182
 183         if (!lp_ea_support(SNUM(conn))) {
 184                 if (pnames) {
 185                         *pnames = NULL;
 186                 }
 187                 *pnum_names = 0;
 188                 return NT_STATUS_OK;
 189         }
 190
 191         /*
 192          * TALLOC the result early to get the talloc hierarchy right.
 193          */
 194
 195         names = TALLOC_ARRAY(mem_ctx, char *, 1);
 196         if (names == NULL) {
 197                 DEBUG(0, ("talloc failed\n"));
 198                 return NT_STATUS_NO_MEMORY;
 199         }
 200
 201         while (ea_namelist_size <= 65536) {
 202
 203                 ea_namelist = TALLOC_REALLOC_ARRAY(
 204                         names, ea_namelist, char, ea_namelist_size);
 205                 if (ea_namelist == NULL) {
 206                         DEBUG(0, ("talloc failed\n"));
 207                         TALLOC_FREE(names);
 208                         return NT_STATUS_NO_MEMORY;
 209                 }
 210
 211                 if (fsp && fsp->fh->fd != -1) {
 212                         sizeret = SMB_VFS_FLISTXATTR(fsp, ea_namelist,
 213                                                      ea_namelist_size);
 214                 } else {
 215                         sizeret = SMB_VFS_LISTXATTR(conn, fname, ea_namelist,
 216                                                     ea_namelist_size);
 217                 }
 218
 219                 if ((sizeret == -1) && (errno == ERANGE)) {
 220                         ea_namelist_size *= 2;
 221                 }
 222                 else {
 223                         break;
 224                 }
 225         }
 226
 227         if (sizeret == -1) {
 228                 TALLOC_FREE(names);
 229                 return map_nt_error_from_unix(errno);
 230         }
 231
 232         DEBUG(10, ("get_ea_list_from_file: ea_namelist size = %u\n",
 233                    (unsigned int)sizeret));
 234
 235         if (sizeret == 0) {
 236                 TALLOC_FREE(names);
 237                 if (pnames) {
 238                         *pnames = NULL;
 239                 }
 240                 *pnum_names = 0;
 241                 return NT_STATUS_OK;
 242         }
 243
 244         /*
 245          * Ensure the result is 0-terminated
 246          */
 247
 248         if (ea_namelist[sizeret-1] != '\0') {
 249                 TALLOC_FREE(names);
 250                 return NT_STATUS_INTERNAL_ERROR;
 251         }
 252
 253         /*
 254          * count the names
 255          */
 256         num_names = 0;
 257
 258         for (p = ea_namelist; p - ea_namelist < sizeret; p += strlen(p)+1) {
 259                 num_names += 1;
 260         }
 261
 262         tmp = TALLOC_REALLOC_ARRAY(mem_ctx, names, char *, num_names);
 263         if (tmp == NULL) {
 264                 DEBUG(0, ("talloc failed\n"));
 265                 TALLOC_FREE(names);
 266                 return NT_STATUS_NO_MEMORY;
 267         }
 268
 269         names = tmp;
 270         num_names = 0;
 271
 272         for (p = ea_namelist; p - ea_namelist < sizeret; p += strlen(p)+1) {
 273                 names[num_names++] = p;
 274         }
 275
 276         if (pnames) {
 277                 *pnames = names;
 278         } else {
 279                 TALLOC_FREE(names);
 280         }
 281         *pnum_names = num_names;
 282         return NT_STATUS_OK;
 283 }
 284
 285 /****************************************************************************
 286  Return a linked list of the total EA's. Plus the total size
 287 ****************************************************************************/
 288
 289 static struct ea_list *get_ea_list_from_file(TALLOC_CTX *mem_ctx, connection_struct *conn, files_struct *fsp,
 290                                         const char *fname, size_t *pea_total_len)
 291 {
 292         /* Get a list of all xattrs. Max namesize is 64k. */
 293         size_t i, num_names;
 294         char **names;
 295         struct ea_list *ea_list_head = NULL;
 296         NTSTATUS status;
 297
 298         *pea_total_len = 0;
 299
 300         if (!lp_ea_support(SNUM(conn))) {
 301                 return NULL;
 302         }
 303
 304         status = get_ea_names_from_file(talloc_tos(), conn, fsp, fname,
 305                                         &names, &num_names);
 306
 307         if (!NT_STATUS_IS_OK(status) || (num_names == 0)) {
 308                 return NULL;
 309         }
 310
 311         for (i=0; i<num_names; i++) {
 312                 struct ea_list *listp;
 313                 fstring dos_ea_name;
 314
 315                 if (strnequal(names[i], "system.", 7)
 316                     || samba_private_attr_name(names[i]))
 317                         continue;
 318
 319                 listp = TALLOC_P(mem_ctx, struct ea_list);
 320                 if (listp == NULL) {
 321                         return NULL;
 322                 }
 323
 324                 if (!NT_STATUS_IS_OK(get_ea_value(mem_ctx, conn, fsp,
 325                                                   fname, names[i],
 326                                                   &listp->ea))) {
 327                         return NULL;
 328                 }
 329
 330                 push_ascii_fstring(dos_ea_name, listp->ea.name);
 331
 332                 *pea_total_len +=
 333                         4 + strlen(dos_ea_name) + 1 + listp->ea.value.length;
 334
 335                 DEBUG(10,("get_ea_list_from_file: total_len = %u, %s, val len "
 336                           "= %u\n", (unsigned int)*pea_total_len, dos_ea_name,
 337                           (unsigned int)listp->ea.value.length));
 338
 339                 DLIST_ADD_END(ea_list_head, listp, struct ea_list *);
 340
 341         }
 342
 343         /* Add on 4 for total length. */
 344         if (*pea_total_len) {
 345                 *pea_total_len += 4;
 346         }
 347
 348         DEBUG(10, ("get_ea_list_from_file: total_len = %u\n",
 349                    (unsigned int)*pea_total_len));
 350
 351         return ea_list_head;
 352 }
 353
 354 /****************************************************************************
 355  Fill a qfilepathinfo buffer with EA's. Returns the length of the buffer
 356  that was filled.
 357 ****************************************************************************/
 358
 359 static unsigned int fill_ea_buffer(TALLOC_CTX *mem_ctx, char *pdata, unsigned int total_data_size,
 360         connection_struct *conn, struct ea_list *ea_list)
 361 {
 362         unsigned int ret_data_size = 4;
 363         char *p = pdata;
 364
 365         SMB_ASSERT(total_data_size >= 4);
 366
 367         if (!lp_ea_support(SNUM(conn))) {
 368                 SIVAL(pdata,4,0);
 369                 return 4;
 370         }
 371
 372         for (p = pdata + 4; ea_list; ea_list = ea_list->next) {
 373                 size_t dos_namelen;
 374                 fstring dos_ea_name;
 375                 push_ascii_fstring(dos_ea_name, ea_list->ea.name);
 376                 dos_namelen = strlen(dos_ea_name);
 377                 if (dos_namelen > 255 || dos_namelen == 0) {
 378                         break;
 379                 }
 380                 if (ea_list->ea.value.length > 65535) {
 381                         break;
 382                 }
 383                 if (4 + dos_namelen + 1 + ea_list->ea.value.length > total_data_size) {
 384                         break;
 385                 }
 386
 387                 /* We know we have room. */
 388                 SCVAL(p,0,ea_list->ea.flags);
 389                 SCVAL(p,1,dos_namelen);
 390                 SSVAL(p,2,ea_list->ea.value.length);
 391                 strlcpy(p+4, dos_ea_name, dos_namelen+1);
 392                 memcpy( p + 4 + dos_namelen + 1, ea_list->ea.value.data, ea_list->ea.value.length);
 393
 394                 total_data_size -= 4 + dos_namelen + 1 + ea_list->ea.value.length;
 395                 p += 4 + dos_namelen + 1 + ea_list->ea.value.length;
 396         }
 397
 398         ret_data_size = PTR_DIFF(p, pdata);
 399         DEBUG(10,("fill_ea_buffer: data_size = %u\n", ret_data_size ));
 400         SIVAL(pdata,0,ret_data_size);
 401         return ret_data_size;
 402 }
 403
 404 static NTSTATUS fill_ea_chained_buffer(TALLOC_CTX *mem_ctx,
 405                                        char *pdata,
 406                                        unsigned int total_data_size,
 407                                        unsigned int *ret_data_size,
 408                                        connection_struct *conn,
 409                                        struct ea_list *ea_list)
 410 {
 411         uint8_t *p = (uint8_t *)pdata;
 412         uint8_t *last_start = NULL;
 413
 414         *ret_data_size = 0;
 415
 416         if (!lp_ea_support(SNUM(conn))) {
 417                 return NT_STATUS_NO_EAS_ON_FILE;
 418         }
 419
 420         for (; ea_list; ea_list = ea_list->next) {
 421                 size_t dos_namelen;
 422                 fstring dos_ea_name;
 423                 size_t this_size;
 424
 425                 if (last_start) {
 426                         SIVAL(last_start, 0, PTR_DIFF(p, last_start));
 427                 }
 428                 last_start = p;
 429
 430                 push_ascii_fstring(dos_ea_name, ea_list->ea.name);
 431                 dos_namelen = strlen(dos_ea_name);
 432                 if (dos_namelen > 255 || dos_namelen == 0) {
 433                         return NT_STATUS_INTERNAL_ERROR;
 434                 }
 435                 if (ea_list->ea.value.length > 65535) {
 436                         return NT_STATUS_INTERNAL_ERROR;
 437                 }
 438
 439                 this_size = 0x08 + dos_namelen + 1 + ea_list->ea.value.length;
 440
 441                 if (ea_list->next) {
 442                         size_t pad = 4 - (this_size % 4);
 443                         this_size += pad;
 444                 }
 445
 446                 if (this_size > total_data_size) {
 447                         return NT_STATUS_INFO_LENGTH_MISMATCH;
 448                 }
 449
 450                 /* We know we have room. */
 451                 SIVAL(p, 0x00, 0); /* next offset */
 452                 SCVAL(p, 0x04, ea_list->ea.flags);
 453                 SCVAL(p, 0x05, dos_namelen);
 454                 SSVAL(p, 0x06, ea_list->ea.value.length);
 455                 strlcpy((char *)(p+0x08), dos_ea_name, dos_namelen+1);
 456                 memcpy(p + 0x08 + dos_namelen + 1, ea_list->ea.value.data, ea_list->ea.value.length);
 457
 458                 total_data_size -= this_size;
 459                 p += this_size;
 460         }
 461
 462         *ret_data_size = PTR_DIFF(p, pdata);
 463         DEBUG(10,("fill_ea_chained_buffer: data_size = %u\n", *ret_data_size));
 464         return NT_STATUS_OK;
 465 }
 466
 467 static unsigned int estimate_ea_size(connection_struct *conn, files_struct *fsp, const char *fname)
 468 {
 469         size_t total_ea_len = 0;
 470         TALLOC_CTX *mem_ctx = NULL;
 471
 472         if (!lp_ea_support(SNUM(conn))) {
 473                 return 0;
 474         }
 475         mem_ctx = talloc_tos();
 476         (void)get_ea_list_from_file(mem_ctx, conn, fsp, fname, &total_ea_len);
 477         return total_ea_len;
 478 }
 479
 480 /****************************************************************************
 481  Ensure the EA name is case insensitive by matching any existing EA name.
 482 ****************************************************************************/
 483
 484 static void canonicalize_ea_name(connection_struct *conn, files_struct *fsp, const char *fname, fstring unix_ea_name)
 485 {
 486         size_t total_ea_len;
 487         TALLOC_CTX *mem_ctx = talloc_tos();
 488         struct ea_list *ea_list = get_ea_list_from_file(mem_ctx, conn, fsp, fname, &total_ea_len);
 489
 490         for (; ea_list; ea_list = ea_list->next) {
 491                 if (strequal(&unix_ea_name[5], ea_list->ea.name)) {
 492                         DEBUG(10,("canonicalize_ea_name: %s -> %s\n",
 493                                 &unix_ea_name[5], ea_list->ea.name));
 494                         strlcpy(&unix_ea_name[5], ea_list->ea.name, sizeof(fstring)-5);
 495                         break;
 496                 }
 497         }
 498 }
 499
 500 /****************************************************************************
 501  Set or delete an extended attribute.
 502 ****************************************************************************/
 503
 504 NTSTATUS set_ea(connection_struct *conn, files_struct *fsp,
 505                 const struct smb_filename *smb_fname, struct ea_list *ea_list)
 506 {
 507         char *fname = NULL;
 508
 509         if (!lp_ea_support(SNUM(conn))) {
 510                 return NT_STATUS_EAS_NOT_SUPPORTED;
 511         }
 512
 513         if (fsp && !(fsp->access_mask & FILE_WRITE_EA)) {
 514                 return NT_STATUS_ACCESS_DENIED;
 515         }
 516
 517         /* For now setting EAs on streams isn't supported. */
 518         fname = smb_fname->base_name;
 519
 520         for (;ea_list; ea_list = ea_list->next) {
 521                 int ret;
 522                 fstring unix_ea_name;
 523
 524                 fstrcpy(unix_ea_name, "user."); /* All EA's must start with user. */
 525                 fstrcat(unix_ea_name, ea_list->ea.name);
 526
 527                 canonicalize_ea_name(conn, fsp, fname, unix_ea_name);
 528
 529                 DEBUG(10,("set_ea: ea_name %s ealen = %u\n", unix_ea_name, (unsigned int)ea_list->ea.value.length));
 530
 531                 if (samba_private_attr_name(unix_ea_name)) {
 532                         DEBUG(10,("set_ea: ea name %s is a private Samba name.\n", unix_ea_name));
 533                         return NT_STATUS_ACCESS_DENIED;
 534                 }
 535
 536                 if (ea_list->ea.value.length == 0) {
 537                         /* Remove the attribute. */
 538                         if (fsp && (fsp->fh->fd != -1)) {
 539                                 DEBUG(10,("set_ea: deleting ea name %s on "
 540                                           "file %s by file descriptor.\n",
 541                                           unix_ea_name, fsp_str_dbg(fsp)));
 542                                 ret = SMB_VFS_FREMOVEXATTR(fsp, unix_ea_name);
 543                         } else {
 544                                 DEBUG(10,("set_ea: deleting ea name %s on file %s.\n",
 545                                         unix_ea_name, fname));
 546                                 ret = SMB_VFS_REMOVEXATTR(conn, fname, unix_ea_name);
 547                         }
 548 #ifdef ENOATTR
 549                         /* Removing a non existent attribute always succeeds. */
 550                         if (ret == -1 && errno == ENOATTR) {
 551                                 DEBUG(10,("set_ea: deleting ea name %s didn't exist - succeeding by default.\n",
 552                                                 unix_ea_name));
 553                                 ret = 0;
 554                         }
 555 #endif
 556                 } else {
 557                         if (fsp && (fsp->fh->fd != -1)) {
 558                                 DEBUG(10,("set_ea: setting ea name %s on file "
 559                                           "%s by file descriptor.\n",
 560                                           unix_ea_name, fsp_str_dbg(fsp)));
 561                                 ret = SMB_VFS_FSETXATTR(fsp, unix_ea_name,
 562                                                         ea_list->ea.value.data, ea_list->ea.value.length, 0);
 563                         } else {
 564                                 DEBUG(10,("set_ea: setting ea name %s on file %s.\n",
 565                                         unix_ea_name, fname));
 566                                 ret = SMB_VFS_SETXATTR(conn, fname, unix_ea_name,
 567                                                         ea_list->ea.value.data, ea_list->ea.value.length, 0);
 568                         }
 569                 }
 570
 571                 if (ret == -1) {
 572 #ifdef ENOTSUP
 573                         if (errno == ENOTSUP) {
 574                                 return NT_STATUS_EAS_NOT_SUPPORTED;
 575                         }
 576 #endif
 577                         return map_nt_error_from_unix(errno);
 578                 }
 579
 580         }
 581         return NT_STATUS_OK;
 582 }
 583 /****************************************************************************
 584  Read a list of EA names from an incoming data buffer. Create an ea_list with them.
 585 ****************************************************************************/
 586
 587 static struct ea_list *read_ea_name_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
 588 {
 589         struct ea_list *ea_list_head = NULL;
 590         size_t converted_size, offset = 0;
 591
 592         while (offset + 2 < data_size) {
 593                 struct ea_list *eal = TALLOC_ZERO_P(ctx, struct ea_list);
 594                 unsigned int namelen = CVAL(pdata,offset);
 595
 596                 offset++; /* Go past the namelen byte. */
 597
 598                 /* integer wrap paranioa. */
 599                 if ((offset + namelen < offset) || (offset + namelen < namelen) ||
 600                                 (offset > data_size) || (namelen > data_size) ||
 601                                 (offset + namelen >= data_size)) {
 602                         break;
 603                 }
 604                 /* Ensure the name is null terminated. */
 605                 if (pdata[offset + namelen] != '\0') {
 606                         return NULL;
 607                 }
 608                 if (!pull_ascii_talloc(ctx, &eal->ea.name, &pdata[offset],
 609                                        &converted_size)) {
 610                         DEBUG(0,("read_ea_name_list: pull_ascii_talloc "
 611                                  "failed: %s", strerror(errno)));
 612                 }
 613                 if (!eal->ea.name) {
 614                         return NULL;
 615                 }
 616
 617                 offset += (namelen + 1); /* Go past the name + terminating zero. */
 618                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
 619                 DEBUG(10,("read_ea_name_list: read ea name %s\n", eal->ea.name));
 620         }
 621
 622         return ea_list_head;
 623 }
 624
 625 /****************************************************************************
 626  Read one EA list entry from the buffer.
 627 ****************************************************************************/
 628
 629 struct ea_list *read_ea_list_entry(TALLOC_CTX *ctx, const char *pdata, size_t data_size, size_t *pbytes_used)
 630 {
 631         struct ea_list *eal = TALLOC_ZERO_P(ctx, struct ea_list);
 632         uint16 val_len;
 633         unsigned int namelen;
 634         size_t converted_size;
 635
 636         if (!eal) {
 637                 return NULL;
 638         }
 639
 640         if (data_size < 6) {
 641                 return NULL;
 642         }
 643
 644         eal->ea.flags = CVAL(pdata,0);
 645         namelen = CVAL(pdata,1);
 646         val_len = SVAL(pdata,2);
 647
 648         if (4 + namelen + 1 + val_len > data_size) {
 649                 return NULL;
 650         }
 651
 652         /* Ensure the name is null terminated. */
 653         if (pdata[namelen + 4] != '\0') {
 654                 return NULL;
 655         }
 656         if (!pull_ascii_talloc(ctx, &eal->ea.name, pdata + 4, &converted_size)) {
 657                 DEBUG(0,("read_ea_list_entry: pull_ascii_talloc failed: %s",
 658                          strerror(errno)));
 659         }
 660         if (!eal->ea.name) {
 661                 return NULL;
 662         }
 663
 664         eal->ea.value = data_blob_talloc(eal, NULL, (size_t)val_len + 1);
 665         if (!eal->ea.value.data) {
 666                 return NULL;
 667         }
 668
 669         memcpy(eal->ea.value.data, pdata + 4 + namelen + 1, val_len);
 670
 671         /* Ensure we're null terminated just in case we print the value. */
 672         eal->ea.value.data[val_len] = '\0';
 673         /* But don't count the null. */
 674         eal->ea.value.length--;
 675
 676         if (pbytes_used) {
 677                 *pbytes_used = 4 + namelen + 1 + val_len;
 678         }
 679
 680         DEBUG(10,("read_ea_list_entry: read ea name %s\n", eal->ea.name));
 681         dump_data(10, eal->ea.value.data, eal->ea.value.length);
 682
 683         return eal;
 684 }
 685
 686 /****************************************************************************
 687  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
 688 ****************************************************************************/
 689
 690 static struct ea_list *read_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
 691 {
 692         struct ea_list *ea_list_head = NULL;
 693         size_t offset = 0;
 694         size_t bytes_used = 0;
 695
 696         while (offset < data_size) {
 697                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset, data_size - offset, &bytes_used);
 698
 699                 if (!eal) {
 700                         return NULL;
 701                 }
 702
 703                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
 704                 offset += bytes_used;
 705         }
 706
 707         return ea_list_head;
 708 }
 709
 710 /****************************************************************************
 711  Count the total EA size needed.
 712 ****************************************************************************/
 713
 714 static size_t ea_list_size(struct ea_list *ealist)
 715 {
 716         fstring dos_ea_name;
 717         struct ea_list *listp;
 718         size_t ret = 0;
 719
 720         for (listp = ealist; listp; listp = listp->next) {
 721                 push_ascii_fstring(dos_ea_name, listp->ea.name);
 722                 ret += 4 + strlen(dos_ea_name) + 1 + listp->ea.value.length;
 723         }
 724         /* Add on 4 for total length. */
 725         if (ret) {
 726                 ret += 4;
 727         }
 728
 729         return ret;
 730 }
 731
 732 /****************************************************************************
 733  Return a union of EA's from a file list and a list of names.
 734  The TALLOC context for the two lists *MUST* be identical as we steal
 735  memory from one list to add to another. JRA.
 736 ****************************************************************************/
 737
 738 static struct ea_list *ea_list_union(struct ea_list *name_list, struct ea_list *file_list, size_t *total_ea_len)
 739 {
 740         struct ea_list *nlistp, *flistp;
 741
 742         for (nlistp = name_list; nlistp; nlistp = nlistp->next) {
 743                 for (flistp = file_list; flistp; flistp = flistp->next) {
 744                         if (strequal(nlistp->ea.name, flistp->ea.name)) {
 745                                 break;
 746                         }
 747                 }
 748
 749                 if (flistp) {
 750                         /* Copy the data from this entry. */
 751                         nlistp->ea.flags = flistp->ea.flags;
 752                         nlistp->ea.value = flistp->ea.value;
 753                 } else {
 754                         /* Null entry. */
 755                         nlistp->ea.flags = 0;
 756                         ZERO_STRUCT(nlistp->ea.value);
 757                 }
 758         }
 759
 760         *total_ea_len = ea_list_size(name_list);
 761         return name_list;
 762 }
 763
 764 /****************************************************************************
 765   Send the required number of replies back.
 766   We assume all fields other than the data fields are
 767   set correctly for the type of call.
 768   HACK ! Always assumes smb_setup field is zero.
 769 ****************************************************************************/
 770
 771 void send_trans2_replies(connection_struct *conn,
 772                         struct smb_request *req,
 773                          const char *params,
 774                          int paramsize,
 775                          const char *pdata,
 776                          int datasize,
 777                          int max_data_bytes)
 778 {
 779         /* As we are using a protocol > LANMAN1 then the max_send
 780          variable must have been set in the sessetupX call.
 781          This takes precedence over the max_xmit field in the
 782          global struct. These different max_xmit variables should
 783          be merged as this is now too confusing */
 784
 785         int data_to_send = datasize;
 786         int params_to_send = paramsize;
 787         int useable_space;
 788         const char *pp = params;
 789         const char *pd = pdata;
 790         int params_sent_thistime, data_sent_thistime, total_sent_thistime;
 791         int alignment_offset = 1; /* JRA. This used to be 3. Set to 1 to make netmon parse ok. */
 792         int data_alignment_offset = 0;
 793         bool overflow = False;
 794         struct smbd_server_connection *sconn = req->sconn;
 795         int max_send = sconn->smb1.sessions.max_send;
 796
 797         /* Modify the data_to_send and datasize and set the error if
 798            we're trying to send more than max_data_bytes. We still send
 799            the part of the packet(s) that fit. Strange, but needed
 800            for OS/2. */
 801
 802         if (max_data_bytes > 0 && datasize > max_data_bytes) {
 803                 DEBUG(5,("send_trans2_replies: max_data_bytes %d exceeded by data %d\n",
 804                         max_data_bytes, datasize ));
 805                 datasize = data_to_send = max_data_bytes;
 806                 overflow = True;
 807         }
 808
 809         /* If there genuinely are no parameters or data to send just send the empty packet */
 810
 811         if(params_to_send == 0 && data_to_send == 0) {
 812                 reply_outbuf(req, 10, 0);
 813                 show_msg((char *)req->outbuf);
 814                 if (!srv_send_smb(sconn,
 815                                 (char *)req->outbuf,
 816                                 true, req->seqnum+1,
 817                                 IS_CONN_ENCRYPTED(conn),
 818                                 &req->pcd)) {
 819                         exit_server_cleanly("send_trans2_replies: srv_send_smb failed.");
 820                 }
 821                 TALLOC_FREE(req->outbuf);
 822                 return;
 823         }
 824
 825         /* When sending params and data ensure that both are nicely aligned */
 826         /* Only do this alignment when there is also data to send - else
 827                 can cause NT redirector problems. */
 828
 829         if (((params_to_send % 4) != 0) && (data_to_send != 0))
 830                 data_alignment_offset = 4 - (params_to_send % 4);
 831
 832         /* Space is bufsize minus Netbios over TCP header minus SMB header */
 833         /* The alignment_offset is to align the param bytes on an even byte
 834                 boundary. NT 4.0 Beta needs this to work correctly. */
 835
 836         useable_space = max_send - (smb_size
 837                                     + 2 * 10 /* wct */
 838                                     + alignment_offset
 839                                     + data_alignment_offset);
 840
 841         if (useable_space < 0) {
 842                 DEBUG(0, ("send_trans2_replies failed sanity useable_space "
 843                           "= %d!!!", useable_space));
 844                 exit_server_cleanly("send_trans2_replies: Not enough space");
 845         }
 846
 847         while (params_to_send || data_to_send) {
 848                 /* Calculate whether we will totally or partially fill this packet */
 849
 850                 total_sent_thistime = params_to_send + data_to_send;
 851
 852                 /* We can never send more than useable_space */
 853                 /*
 854                  * Note that 'useable_space' does not include the alignment offsets,
 855                  * but we must include the alignment offsets in the calculation of
 856                  * the length of the data we send over the wire, as the alignment offsets
 857                  * are sent here. Fix from Marc_Jacobsen@hp.com.
 858                  */
 859
 860                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
 861
 862                 reply_outbuf(req, 10, total_sent_thistime + alignment_offset
 863                              + data_alignment_offset);
 864
 865                 /*
 866                  * We might have SMBtrans2s in req which was transferred to
 867                  * the outbuf, fix that.
 868                  */
 869                 SCVAL(req->outbuf, smb_com, SMBtrans2);
 870
 871                 /* Set total params and data to be sent */
 872                 SSVAL(req->outbuf,smb_tprcnt,paramsize);
 873                 SSVAL(req->outbuf,smb_tdrcnt,datasize);
 874
 875                 /* Calculate how many parameters and data we can fit into
 876                  * this packet. Parameters get precedence
 877                  */
 878
 879                 params_sent_thistime = MIN(params_to_send,useable_space);
 880                 data_sent_thistime = useable_space - params_sent_thistime;
 881                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
 882
 883                 SSVAL(req->outbuf,smb_prcnt, params_sent_thistime);
 884
 885                 /* smb_proff is the offset from the start of the SMB header to the
 886                         parameter bytes, however the first 4 bytes of outbuf are
 887                         the Netbios over TCP header. Thus use smb_base() to subtract
 888                         them from the calculation */
 889
 890                 SSVAL(req->outbuf,smb_proff,
 891                       ((smb_buf(req->outbuf)+alignment_offset)
 892                        - smb_base(req->outbuf)));
 893
 894                 if(params_sent_thistime == 0)
 895                         SSVAL(req->outbuf,smb_prdisp,0);
 896                 else
 897                         /* Absolute displacement of param bytes sent in this packet */
 898                         SSVAL(req->outbuf,smb_prdisp,pp - params);
 899
 900                 SSVAL(req->outbuf,smb_drcnt, data_sent_thistime);
 901                 if(data_sent_thistime == 0) {
 902                         SSVAL(req->outbuf,smb_droff,0);
 903                         SSVAL(req->outbuf,smb_drdisp, 0);
 904                 } else {
 905                         /* The offset of the data bytes is the offset of the
 906                                 parameter bytes plus the number of parameters being sent this time */
 907                         SSVAL(req->outbuf, smb_droff,
 908                               ((smb_buf(req->outbuf)+alignment_offset)
 909                                - smb_base(req->outbuf))
 910                               + params_sent_thistime + data_alignment_offset);
 911                         SSVAL(req->outbuf,smb_drdisp, pd - pdata);
 912                 }
 913
 914                 /* Initialize the padding for alignment */
 915
 916                 if (alignment_offset != 0) {
 917                         memset(smb_buf(req->outbuf), 0, alignment_offset);
 918                 }
 919
 920                 /* Copy the param bytes into the packet */
 921
 922                 if(params_sent_thistime) {
 923                         memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
 924                                params_sent_thistime);
 925                 }
 926
 927                 /* Copy in the data bytes */
 928                 if(data_sent_thistime) {
 929                         if (data_alignment_offset != 0) {
 930                                 memset((smb_buf(req->outbuf)+alignment_offset+
 931                                         params_sent_thistime), 0,
 932                                        data_alignment_offset);
 933                         }
 934                         memcpy(smb_buf(req->outbuf)+alignment_offset
 935                                +params_sent_thistime+data_alignment_offset,
 936                                pd,data_sent_thistime);
 937                 }
 938
 939                 DEBUG(9,("t2_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
 940                         params_sent_thistime, data_sent_thistime, useable_space));
 941                 DEBUG(9,("t2_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
 942                         params_to_send, data_to_send, paramsize, datasize));
 943
 944                 if (overflow) {
 945                         error_packet_set((char *)req->outbuf,
 946                                          ERRDOS,ERRbufferoverflow,
 947                                          STATUS_BUFFER_OVERFLOW,
 948                                          __LINE__,__FILE__);
 949                 }
 950
 951                 /* Send the packet */
 952                 show_msg((char *)req->outbuf);
 953                 if (!srv_send_smb(sconn,
 954                                 (char *)req->outbuf,
 955                                 true, req->seqnum+1,
 956                                 IS_CONN_ENCRYPTED(conn),
 957                                 &req->pcd))
 958                         exit_server_cleanly("send_trans2_replies: srv_send_smb failed.");
 959
 960                 TALLOC_FREE(req->outbuf);
 961
 962                 pp += params_sent_thistime;
 963                 pd += data_sent_thistime;
 964
 965                 params_to_send -= params_sent_thistime;
 966                 data_to_send -= data_sent_thistime;
 967
 968                 /* Sanity check */
 969                 if(params_to_send < 0 || data_to_send < 0) {
 970                         DEBUG(0,("send_trans2_replies failed sanity check pts = %d, dts = %d\n!!!",
 971                                 params_to_send, data_to_send));
 972                         return;
 973                 }
 974         }
 975
 976         return;
 977 }
 978
 979 /****************************************************************************
 980  Reply to a TRANSACT2_OPEN.
 981 ****************************************************************************/
 982
 983 static void call_trans2open(connection_struct *conn,
 984                             struct smb_request *req,
 985                             char **pparams, int total_params,
 986                             char **ppdata, int total_data,
 987                             unsigned int max_data_bytes)
 988 {
 989         struct smb_filename *smb_fname = NULL;
 990         char *params = *pparams;
 991         char *pdata = *ppdata;
 992         int deny_mode;
 993         int32 open_attr;
 994         bool oplock_request;
 995 #if 0
 996         bool return_additional_info;
 997         int16 open_sattr;
 998         time_t open_time;
 999 #endif
1000         int open_ofun;
1001         uint32 open_size;
1002         char *pname;
1003         char *fname = NULL;
1004         SMB_OFF_T size=0;
1005         int fattr=0,mtime=0;
1006         SMB_INO_T inode = 0;
1007         int smb_action = 0;
1008         files_struct *fsp;
1009         struct ea_list *ea_list = NULL;
1010         uint16 flags = 0;
1011         NTSTATUS status;
1012         uint32 access_mask;
1013         uint32 share_mode;
1014         uint32 create_disposition;
1015         uint32 create_options = 0;
1016         uint32_t private_flags = 0;
1017         TALLOC_CTX *ctx = talloc_tos();
1018
1019         /*
1020          * Ensure we have enough parameters to perform the operation.
1021          */
1022
1023         if (total_params < 29) {
1024                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1025                 goto out;
1026         }
1027
1028         flags = SVAL(params, 0);
1029         deny_mode = SVAL(params, 2);
1030         open_attr = SVAL(params,6);
1031         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1032         if (oplock_request) {
1033                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1034         }
1035
1036 #if 0
1037         return_additional_info = BITSETW(params,0);
1038         open_sattr = SVAL(params, 4);
1039         open_time = make_unix_date3(params+8);
1040 #endif
1041         open_ofun = SVAL(params,12);
1042         open_size = IVAL(params,14);
1043         pname = &params[28];
1044
1045         if (IS_IPC(conn)) {
1046                 reply_nterror(req, NT_STATUS_NETWORK_ACCESS_DENIED);
1047                 goto out;
1048         }
1049
1050         srvstr_get_path(ctx, params, req->flags2, &fname, pname,
1051                         total_params - 28, STR_TERMINATE,
1052                         &status);
1053         if (!NT_STATUS_IS_OK(status)) {
1054                 reply_nterror(req, status);
1055                 goto out;
1056         }
1057
1058         DEBUG(3,("call_trans2open %s deny_mode=0x%x attr=%d ofun=0x%x size=%d\n",
1059                 fname, (unsigned int)deny_mode, (unsigned int)open_attr,
1060                 (unsigned int)open_ofun, open_size));
1061
1062         status = filename_convert(ctx,
1063                                 conn,
1064                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
1065                                 fname,
1066                                 0,
1067                                 NULL,
1068                                 &smb_fname);
1069         if (!NT_STATUS_IS_OK(status)) {
1070                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1071                         reply_botherror(req,
1072                                 NT_STATUS_PATH_NOT_COVERED,
1073                                 ERRSRV, ERRbadpath);
1074                         goto out;
1075                 }
1076                 reply_nterror(req, status);
1077                 goto out;
1078         }
1079
1080         if (open_ofun == 0) {
1081                 reply_nterror(req, NT_STATUS_OBJECT_NAME_COLLISION);
1082                 goto out;
1083         }
1084
1085         if (!map_open_params_to_ntcreate(smb_fname, deny_mode, open_ofun,
1086                                          &access_mask, &share_mode,
1087                                          &create_disposition,
1088                                          &create_options,
1089                                          &private_flags)) {
1090                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1091                 goto out;
1092         }
1093
1094         /* Any data in this call is an EA list. */
1095         if (total_data && (total_data != 4)) {
1096                 if (total_data < 10) {
1097                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1098                         goto out;
1099                 }
1100
1101                 if (IVAL(pdata,0) > total_data) {
1102                         DEBUG(10,("call_trans2open: bad total data size (%u) > %u\n",
1103                                 IVAL(pdata,0), (unsigned int)total_data));
1104                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1105                         goto out;
1106                 }
1107
1108                 ea_list = read_ea_list(talloc_tos(), pdata + 4,
1109                                        total_data - 4);
1110                 if (!ea_list) {
1111                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1112                         goto out;
1113                 }
1114
1115                 if (!lp_ea_support(SNUM(conn))) {
1116                         reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1117                         goto out;
1118                 }
1119         }
1120
1121         status = SMB_VFS_CREATE_FILE(
1122                 conn,                                   /* conn */
1123                 req,                                    /* req */
1124                 0,                                      /* root_dir_fid */
1125                 smb_fname,                              /* fname */
1126                 access_mask,                            /* access_mask */
1127                 share_mode,                             /* share_access */
1128                 create_disposition,                     /* create_disposition*/
1129                 create_options,                         /* create_options */
1130                 open_attr,                              /* file_attributes */
1131                 oplock_request,                         /* oplock_request */
1132                 open_size,                              /* allocation_size */
1133                 private_flags,
1134                 NULL,                                   /* sd */
1135                 ea_list,                                /* ea_list */
1136                 &fsp,                                   /* result */
1137                 &smb_action);                           /* psbuf */
1138
1139         if (!NT_STATUS_IS_OK(status)) {
1140                 if (open_was_deferred(req->mid)) {
1141                         /* We have re-scheduled this call. */
1142                         goto out;
1143                 }
1144                 reply_openerror(req, status);
1145                 goto out;
1146         }
1147
1148         size = get_file_size_stat(&smb_fname->st);
1149         fattr = dos_mode(conn, smb_fname);
1150         mtime = convert_timespec_to_time_t(smb_fname->st.st_ex_mtime);
1151         inode = smb_fname->st.st_ex_ino;
1152         if (fattr & FILE_ATTRIBUTE_DIRECTORY) {
1153                 close_file(req, fsp, ERROR_CLOSE);
1154                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1155                 goto out;
1156         }
1157
1158         /* Realloc the size of parameters and data we will return */
1159         *pparams = (char *)SMB_REALLOC(*pparams, 30);
1160         if(*pparams == NULL ) {
1161                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1162                 goto out;
1163         }
1164         params = *pparams;
1165
1166         SSVAL(params,0,fsp->fnum);
1167         SSVAL(params,2,fattr);
1168         srv_put_dos_date2(params,4, mtime);
1169         SIVAL(params,8, (uint32)size);
1170         SSVAL(params,12,deny_mode);
1171         SSVAL(params,14,0); /* open_type - file or directory. */
1172         SSVAL(params,16,0); /* open_state - only valid for IPC device. */
1173
1174         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1175                 smb_action |= EXTENDED_OPLOCK_GRANTED;
1176         }
1177
1178         SSVAL(params,18,smb_action);
1179
1180         /*
1181          * WARNING - this may need to be changed if SMB_INO_T <> 4 bytes.
1182          */
1183         SIVAL(params,20,inode);
1184         SSVAL(params,24,0); /* Padding. */
1185         if (flags & 8) {
1186                 uint32 ea_size = estimate_ea_size(conn, fsp,
1187                                                   fsp->fsp_name->base_name);
1188                 SIVAL(params, 26, ea_size);
1189         } else {
1190                 SIVAL(params, 26, 0);
1191         }
1192
1193         /* Send the required number of replies */
1194         send_trans2_replies(conn, req, params, 30, *ppdata, 0, max_data_bytes);
1195  out:
1196         TALLOC_FREE(smb_fname);
1197 }
1198
1199 /*********************************************************
1200  Routine to check if a given string matches exactly.
1201  as a special case a mask of "." does NOT match. That
1202  is required for correct wildcard semantics
1203  Case can be significant or not.
1204 **********************************************************/
1205
1206 static bool exact_match(bool has_wild,
1207                         bool case_sensitive,
1208                         const char *str,
1209                         const char *mask)
1210 {
1211         if (mask[0] == '.' && mask[1] == 0) {
1212                 return false;
1213         }
1214
1215         if (has_wild) {
1216                 return false;
1217         }
1218
1219         if (case_sensitive) {
1220                 return strcmp(str,mask)==0;
1221         } else {
1222                 return strcasecmp_m(str,mask) == 0;
1223         }
1224 }
1225
1226 /****************************************************************************
1227  Return the filetype for UNIX extensions.
1228 ****************************************************************************/
1229
1230 static uint32 unix_filetype(mode_t mode)
1231 {
1232         if(S_ISREG(mode))
1233                 return UNIX_TYPE_FILE;
1234         else if(S_ISDIR(mode))
1235                 return UNIX_TYPE_DIR;
1236 #ifdef S_ISLNK
1237         else if(S_ISLNK(mode))
1238                 return UNIX_TYPE_SYMLINK;
1239 #endif
1240 #ifdef S_ISCHR
1241         else if(S_ISCHR(mode))
1242                 return UNIX_TYPE_CHARDEV;
1243 #endif
1244 #ifdef S_ISBLK
1245         else if(S_ISBLK(mode))
1246                 return UNIX_TYPE_BLKDEV;
1247 #endif
1248 #ifdef S_ISFIFO
1249         else if(S_ISFIFO(mode))
1250                 return UNIX_TYPE_FIFO;
1251 #endif
1252 #ifdef S_ISSOCK
1253         else if(S_ISSOCK(mode))
1254                 return UNIX_TYPE_SOCKET;
1255 #endif
1256
1257         DEBUG(0,("unix_filetype: unknown filetype %u\n", (unsigned)mode));
1258         return UNIX_TYPE_UNKNOWN;
1259 }
1260
1261 /****************************************************************************
1262  Map wire perms onto standard UNIX permissions. Obey share restrictions.
1263 ****************************************************************************/
1264
1265 enum perm_type { PERM_NEW_FILE, PERM_NEW_DIR, PERM_EXISTING_FILE, PERM_EXISTING_DIR};
1266
1267 static NTSTATUS unix_perms_from_wire( connection_struct *conn,
1268                                 const SMB_STRUCT_STAT *psbuf,
1269                                 uint32 perms,
1270                                 enum perm_type ptype,
1271                                 mode_t *ret_perms)
1272 {
1273         mode_t ret = 0;
1274
1275         if (perms == SMB_MODE_NO_CHANGE) {
1276                 if (!VALID_STAT(*psbuf)) {
1277                         return NT_STATUS_INVALID_PARAMETER;
1278                 } else {
1279                         *ret_perms = psbuf->st_ex_mode;
1280                         return NT_STATUS_OK;
1281                 }
1282         }
1283
1284         ret |= ((perms & UNIX_X_OTH ) ? S_IXOTH : 0);
1285         ret |= ((perms & UNIX_W_OTH ) ? S_IWOTH : 0);
1286         ret |= ((perms & UNIX_R_OTH ) ? S_IROTH : 0);
1287         ret |= ((perms & UNIX_X_GRP ) ? S_IXGRP : 0);
1288         ret |= ((perms & UNIX_W_GRP ) ? S_IWGRP : 0);
1289         ret |= ((perms & UNIX_R_GRP ) ? S_IRGRP : 0);
1290         ret |= ((perms & UNIX_X_USR ) ? S_IXUSR : 0);
1291         ret |= ((perms & UNIX_W_USR ) ? S_IWUSR : 0);
1292         ret |= ((perms & UNIX_R_USR ) ? S_IRUSR : 0);
1293 #ifdef S_ISVTX
1294         ret |= ((perms & UNIX_STICKY ) ? S_ISVTX : 0);
1295 #endif
1296 #ifdef S_ISGID
1297         ret |= ((perms & UNIX_SET_GID ) ? S_ISGID : 0);
1298 #endif
1299 #ifdef S_ISUID
1300         ret |= ((perms & UNIX_SET_UID ) ? S_ISUID : 0);
1301 #endif
1302
1303         switch (ptype) {
1304         case PERM_NEW_FILE:
1305                 /* Apply mode mask */
1306                 ret &= lp_create_mask(SNUM(conn));
1307                 /* Add in force bits */
1308                 ret |= lp_force_create_mode(SNUM(conn));
1309                 break;
1310         case PERM_NEW_DIR:
1311                 ret &= lp_dir_mask(SNUM(conn));
1312                 /* Add in force bits */
1313                 ret |= lp_force_dir_mode(SNUM(conn));
1314                 break;
1315         case PERM_EXISTING_FILE:
1316                 /* Apply mode mask */
1317                 ret &= lp_security_mask(SNUM(conn));
1318                 /* Add in force bits */
1319                 ret |= lp_force_security_mode(SNUM(conn));
1320                 break;
1321         case PERM_EXISTING_DIR:
1322                 /* Apply mode mask */
1323                 ret &= lp_dir_security_mask(SNUM(conn));
1324                 /* Add in force bits */
1325                 ret |= lp_force_dir_security_mode(SNUM(conn));
1326                 break;
1327         }
1328
1329         *ret_perms = ret;
1330         return NT_STATUS_OK;
1331 }
1332
1333 /****************************************************************************
1334  Needed to show the msdfs symlinks as directories. Modifies psbuf
1335  to be a directory if it's a msdfs link.
1336 ****************************************************************************/
1337
1338 static bool check_msdfs_link(connection_struct *conn,
1339                                 const char *pathname,
1340                                 SMB_STRUCT_STAT *psbuf)
1341 {
1342         int saved_errno = errno;
1343         if(lp_host_msdfs() &&
1344                 lp_msdfs_root(SNUM(conn)) &&
1345                 is_msdfs_link(conn, pathname, psbuf)) {
1346
1347                 DEBUG(5,("check_msdfs_link: Masquerading msdfs link %s "
1348                         "as a directory\n",
1349                         pathname));
1350                 psbuf->st_ex_mode = (psbuf->st_ex_mode & 0xFFF) | S_IFDIR;
1351                 errno = saved_errno;
1352                 return true;
1353         }
1354         errno = saved_errno;
1355         return false;
1356 }
1357
1358
1359 /****************************************************************************
1360  Get a level dependent lanman2 dir entry.
1361 ****************************************************************************/
1362
1363 struct smbd_dirptr_lanman2_state {
1364         connection_struct *conn;
1365         uint32_t info_level;
1366         bool check_mangled_names;
1367         bool has_wild;
1368         bool got_exact_match;
1369 };
1370
1371 static bool smbd_dirptr_lanman2_match_fn(TALLOC_CTX *ctx,
1372                                          void *private_data,
1373                                          const char *dname,
1374                                          const char *mask,
1375                                          char **_fname)
1376 {
1377         struct smbd_dirptr_lanman2_state *state =
1378                 (struct smbd_dirptr_lanman2_state *)private_data;
1379         bool ok;
1380         char mangled_name[13]; /* mangled 8.3 name. */
1381         bool got_match;
1382         const char *fname;
1383
1384         /* Mangle fname if it's an illegal name. */
1385         if (mangle_must_mangle(dname, state->conn->params)) {
1386                 ok = name_to_8_3(dname, mangled_name,
1387                                  true, state->conn->params);
1388                 if (!ok) {
1389                         return false;
1390                 }
1391                 fname = mangled_name;
1392         } else {
1393                 fname = dname;
1394         }
1395
1396         got_match = exact_match(state->has_wild,
1397                                 state->conn->case_sensitive,
1398                                 fname, mask);
1399         state->got_exact_match = got_match;
1400         if (!got_match) {
1401                 got_match = mask_match(fname, mask,
1402                                        state->conn->case_sensitive);
1403         }
1404
1405         if(!got_match && state->check_mangled_names &&
1406            !mangle_is_8_3(fname, false, state->conn->params)) {
1407                 /*
1408                  * It turns out that NT matches wildcards against
1409                  * both long *and* short names. This may explain some
1410                  * of the wildcard wierdness from old DOS clients
1411                  * that some people have been seeing.... JRA.
1412                  */
1413                 /* Force the mangling into 8.3. */
1414                 ok = name_to_8_3(fname, mangled_name,
1415                                  false, state->conn->params);
1416                 if (!ok) {
1417                         return false;
1418                 }
1419
1420                 got_match = exact_match(state->has_wild,
1421                                         state->conn->case_sensitive,
1422                                         mangled_name, mask);
1423                 state->got_exact_match = got_match;
1424                 if (!got_match) {
1425                         got_match = mask_match(mangled_name, mask,
1426                                                state->conn->case_sensitive);
1427                 }
1428         }
1429
1430         if (!got_match) {
1431                 return false;
1432         }
1433
1434         *_fname = talloc_strdup(ctx, fname);
1435         if (*_fname == NULL) {
1436                 return false;
1437         }
1438
1439         return true;
1440 }
1441
1442 static bool smbd_dirptr_lanman2_mode_fn(TALLOC_CTX *ctx,
1443                                         void *private_data,
1444                                         struct smb_filename *smb_fname,
1445                                         uint32_t *_mode)
1446 {
1447         struct smbd_dirptr_lanman2_state *state =
1448                 (struct smbd_dirptr_lanman2_state *)private_data;
1449         bool ms_dfs_link = false;
1450         uint32_t mode = 0;
1451
1452         if (INFO_LEVEL_IS_UNIX(state->info_level)) {
1453                 if (SMB_VFS_LSTAT(state->conn, smb_fname) != 0) {
1454                         DEBUG(5,("smbd_dirptr_lanman2_mode_fn: "
1455                                  "Couldn't lstat [%s] (%s)\n",
1456                                  smb_fname_str_dbg(smb_fname),
1457                                  strerror(errno)));
1458                         return false;
1459                 }
1460         } else if (!VALID_STAT(smb_fname->st) &&
1461                    SMB_VFS_STAT(state->conn, smb_fname) != 0) {
1462                 /* Needed to show the msdfs symlinks as
1463                  * directories */
1464
1465                 ms_dfs_link = check_msdfs_link(state->conn,
1466                                                smb_fname->base_name,
1467                                                &smb_fname->st);
1468                 if (!ms_dfs_link) {
1469                         DEBUG(5,("smbd_dirptr_lanman2_mode_fn: "
1470                                  "Couldn't stat [%s] (%s)\n",
1471                                  smb_fname_str_dbg(smb_fname),
1472                                  strerror(errno)));
1473                         return false;
1474                 }
1475         }
1476
1477         if (ms_dfs_link) {
1478                 mode = dos_mode_msdfs(state->conn, smb_fname);
1479         } else {
1480                 mode = dos_mode(state->conn, smb_fname);
1481         }
1482
1483         *_mode = mode;
1484         return true;
1485 }
1486
1487 static bool smbd_marshall_dir_entry(TALLOC_CTX *ctx,
1488                                     connection_struct *conn,
1489                                     uint16_t flags2,
1490                                     uint32_t info_level,
1491                                     struct ea_list *name_list,
1492                                     bool check_mangled_names,
1493                                     bool requires_resume_key,
1494                                     uint32_t mode,
1495                                     const char *fname,
1496                                     const struct smb_filename *smb_fname,
1497                                     int space_remaining,
1498                                     uint8_t align,
1499                                     bool do_pad,
1500                                     char *base_data,
1501                                     char **ppdata,
1502                                     char *end_data,
1503                                     bool *out_of_space,
1504                                     uint64_t *last_entry_off)
1505 {
1506         char *p, *q, *pdata = *ppdata;
1507         uint32_t reskey=0;
1508         uint64_t file_size = 0;
1509         uint64_t allocation_size = 0;
1510         uint64_t file_index = 0;
1511         uint32_t len;
1512         struct timespec mdate_ts, adate_ts, cdate_ts, create_date_ts;
1513         time_t mdate = (time_t)0, adate = (time_t)0, create_date = (time_t)0;
1514         time_t c_date = (time_t)0;
1515         char *nameptr;
1516         char *last_entry_ptr;
1517         bool was_8_3;
1518         int off;
1519         int pad = 0;
1520
1521         *out_of_space = false;
1522
1523         ZERO_STRUCT(mdate_ts);
1524         ZERO_STRUCT(adate_ts);
1525         ZERO_STRUCT(create_date_ts);
1526         ZERO_STRUCT(cdate_ts);
1527
1528         if (!(mode & FILE_ATTRIBUTE_DIRECTORY)) {
1529                 file_size = get_file_size_stat(&smb_fname->st);
1530         }
1531         allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn, NULL, &smb_fname->st);
1532
1533         file_index = get_FileIndex(conn, &smb_fname->st);
1534
1535         mdate_ts = smb_fname->st.st_ex_mtime;
1536         adate_ts = smb_fname->st.st_ex_atime;
1537         create_date_ts = get_create_timespec(conn, NULL, smb_fname);
1538         cdate_ts = get_change_timespec(conn, NULL, smb_fname);
1539
1540         if (lp_dos_filetime_resolution(SNUM(conn))) {
1541                 dos_filetime_timespec(&create_date_ts);
1542                 dos_filetime_timespec(&mdate_ts);
1543                 dos_filetime_timespec(&adate_ts);
1544                 dos_filetime_timespec(&cdate_ts);
1545         }
1546
1547         create_date = convert_timespec_to_time_t(create_date_ts);
1548         mdate = convert_timespec_to_time_t(mdate_ts);
1549         adate = convert_timespec_to_time_t(adate_ts);
1550         c_date = convert_timespec_to_time_t(cdate_ts);
1551
1552         /* align the record */
1553         SMB_ASSERT(align >= 1);
1554
1555         off = (int)PTR_DIFF(pdata, base_data);
1556         pad = (off + (align-1)) & ~(align-1);
1557         pad -= off;
1558
1559         if (pad && pad > space_remaining) {
1560                 *out_of_space = true;
1561                 DEBUG(9,("smbd_marshall_dir_entry: out of space "
1562                         "for padding (wanted %u, had %d)\n",
1563                         (unsigned int)pad,
1564                         space_remaining ));
1565                 return false; /* Not finished - just out of space */
1566         }
1567
1568         off += pad;
1569         /* initialize padding to 0 */
1570         if (pad) {
1571                 memset(pdata, 0, pad);
1572         }
1573         space_remaining -= pad;
1574
1575         DEBUG(10,("smbd_marshall_dir_entry: space_remaining = %d\n",
1576                 space_remaining ));
1577
1578         pdata += pad;
1579         p = pdata;
1580         last_entry_ptr = p;
1581
1582         pad = 0;
1583         off = 0;
1584
1585         switch (info_level) {
1586         case SMB_FIND_INFO_STANDARD:
1587                 DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_INFO_STANDARD\n"));
1588                 if(requires_resume_key) {
1589                         SIVAL(p,0,reskey);
1590                         p += 4;
1591                 }
1592                 srv_put_dos_date2(p,0,create_date);
1593                 srv_put_dos_date2(p,4,adate);
1594                 srv_put_dos_date2(p,8,mdate);
1595                 SIVAL(p,12,(uint32)file_size);
1596                 SIVAL(p,16,(uint32)allocation_size);
1597                 SSVAL(p,20,mode);
1598                 p += 23;
1599                 nameptr = p;
1600                 if (flags2 & FLAGS2_UNICODE_STRINGS) {
1601                         p += ucs2_align(base_data, p, 0);
1602                 }
1603                 len = srvstr_push(base_data, flags2, p,
1604                                   fname, PTR_DIFF(end_data, p),
1605                                   STR_TERMINATE);
1606                 if (flags2 & FLAGS2_UNICODE_STRINGS) {
1607                         if (len > 2) {
1608                                 SCVAL(nameptr, -1, len - 2);
1609                         } else {
1610                                 SCVAL(nameptr, -1, 0);
1611                         }
1612                 } else {
1613                         if (len > 1) {
1614                                 SCVAL(nameptr, -1, len - 1);
1615                         } else {
1616                                 SCVAL(nameptr, -1, 0);
1617                         }
1618                 }
1619                 p += len;
1620                 break;
1621
1622         case SMB_FIND_EA_SIZE:
1623                 DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_EA_SIZE\n"));
1624                 if (requires_resume_key) {
1625                         SIVAL(p,0,reskey);
1626                         p += 4;
1627                 }
1628                 srv_put_dos_date2(p,0,create_date);
1629                 srv_put_dos_date2(p,4,adate);
1630                 srv_put_dos_date2(p,8,mdate);
1631                 SIVAL(p,12,(uint32)file_size);
1632                 SIVAL(p,16,(uint32)allocation_size);
1633                 SSVAL(p,20,mode);
1634                 {
1635                         unsigned int ea_size = estimate_ea_size(conn, NULL,
1636                                                                 smb_fname->base_name);
1637                         SIVAL(p,22,ea_size); /* Extended attributes */
1638                 }
1639                 p += 27;
1640                 nameptr = p - 1;
1641                 len = srvstr_push(base_data, flags2,
1642                                   p, fname, PTR_DIFF(end_data, p),
1643                                   STR_TERMINATE | STR_NOALIGN);
1644                 if (flags2 & FLAGS2_UNICODE_STRINGS) {
1645                         if (len > 2) {
1646                                 len -= 2;
1647                         } else {
1648                                 len = 0;
1649                         }
1650                 } else {
1651                         if (len > 1) {
1652                                 len -= 1;
1653                         } else {
1654                                 len = 0;
1655                         }
1656                 }
1657                 SCVAL(nameptr,0,len);
1658                 p += len;
1659                 SCVAL(p,0,0); p += 1; /* Extra zero byte ? - why.. */
1660                 break;
1661
1662         case SMB_FIND_EA_LIST:
1663         {
1664                 struct ea_list *file_list = NULL;
1665                 size_t ea_len = 0;
1666
1667                 DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_EA_LIST\n"));
1668                 if (!name_list) {
1669                         return false;
1670                 }
1671                 if (requires_resume_key) {
1672                         SIVAL(p,0,reskey);
1673                         p += 4;
1674                 }
1675                 srv_put_dos_date2(p,0,create_date);
1676                 srv_put_dos_date2(p,4,adate);
1677                 srv_put_dos_date2(p,8,mdate);
1678                 SIVAL(p,12,(uint32)file_size);
1679                 SIVAL(p,16,(uint32)allocation_size);
1680                 SSVAL(p,20,mode);
1681                 p += 22; /* p now points to the EA area. */
1682
1683                 file_list = get_ea_list_from_file(ctx, conn, NULL,
1684                                                   smb_fname->base_name,
1685                                                   &ea_len);
1686                 name_list = ea_list_union(name_list, file_list, &ea_len);
1687
1688                 /* We need to determine if this entry will fit in the space available. */
1689                 /* Max string size is 255 bytes. */
1690                 if (PTR_DIFF(p + 255 + ea_len,pdata) > space_remaining) {
1691                         *out_of_space = true;
1692                         DEBUG(9,("smbd_marshall_dir_entry: out of space "
1693                                 "(wanted %u, had %d)\n",
1694                                 (unsigned int)PTR_DIFF(p + 255 + ea_len,pdata),
1695                                 space_remaining ));
1696                         return False; /* Not finished - just out of space */
1697                 }
1698
1699                 /* Push the ea_data followed by the name. */
1700                 p += fill_ea_buffer(ctx, p, space_remaining, conn, name_list);
1701                 nameptr = p;
1702                 len = srvstr_push(base_data, flags2,
1703                                   p + 1, fname, PTR_DIFF(end_data, p+1),
1704                                   STR_TERMINATE | STR_NOALIGN);
1705                 if (flags2 & FLAGS2_UNICODE_STRINGS) {
1706                         if (len > 2) {
1707                                 len -= 2;
1708                         } else {
1709                                 len = 0;
1710                         }
1711                 } else {
1712                         if (len > 1) {
1713                                 len -= 1;
1714                         } else {
1715                                 len = 0;
1716                         }
1717                 }
1718                 SCVAL(nameptr,0,len);
1719                 p += len + 1;
1720                 SCVAL(p,0,0); p += 1; /* Extra zero byte ? - why.. */
1721                 break;
1722         }
1723
1724         case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
1725                 DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_FILE_BOTH_DIRECTORY_INFO\n"));
1726                 was_8_3 = mangle_is_8_3(fname, True, conn->params);
1727                 p += 4;
1728                 SIVAL(p,0,reskey); p += 4;
1729                 put_long_date_timespec(conn->ts_res,p,create_date_ts); p += 8;
1730                 put_long_date_timespec(conn->ts_res,p,adate_ts); p += 8;
1731                 put_long_date_timespec(conn->ts_res,p,mdate_ts); p += 8;
1732                 put_long_date_timespec(conn->ts_res,p,cdate_ts); p += 8;
1733                 SOFF_T(p,0,file_size); p += 8;
1734                 SOFF_T(p,0,allocation_size); p += 8;
1735                 SIVAL(p,0,mode); p += 4;
1736                 q = p; p += 4; /* q is placeholder for name length. */
1737                 {
1738                         unsigned int ea_size = estimate_ea_size(conn, NULL,
1739                                                                 smb_fname->base_name);
1740                         SIVAL(p,0,ea_size); /* Extended attributes */
1741                         p += 4;
1742                 }
1743                 /* Clear the short name buffer. This is
1744                  * IMPORTANT as not doing so will trigger
1745                  * a Win2k client bug. JRA.
1746                  */
1747                 if (!was_8_3 && check_mangled_names) {
1748                         char mangled_name[13]; /* mangled 8.3 name. */
1749                         if (!name_to_8_3(fname,mangled_name,True,
1750                                            conn->params)) {
1751                                 /* Error - mangle failed ! */
1752                                 memset(mangled_name,'\0',12);
1753                         }
1754                         mangled_name[12] = 0;
1755                         len = srvstr_push(base_data, flags2,
1756                                           p+2, mangled_name, 24,
1757                                           STR_UPPER|STR_UNICODE);
1758                         if (len < 24) {
1759                                 memset(p + 2 + len,'\0',24 - len);
1760                         }
1761                         SSVAL(p, 0, len);
1762                 } else {
1763                         memset(p,'\0',26);
1764                 }
1765                 p += 2 + 24;
1766                 len = srvstr_push(base_data, flags2, p,
1767                                   fname, PTR_DIFF(end_data, p),
1768                                   STR_TERMINATE_ASCII);
1769                 SIVAL(q,0,len);
1770                 p += len;
1771
1772                 len = PTR_DIFF(p, pdata);
1773                 pad = (len + (align-1)) & ~(align-1);
1774                 /*
1775                  * offset to the next entry, the caller
1776                  * will overwrite it for the last entry
1777                  * that's why we always include the padding
1778                  */
1779                 SIVAL(pdata,0,pad);
1780                 /*
1781                  * set padding to zero
1782                  */
1783                 if (do_pad) {
1784                         memset(p, 0, pad - len);
1785                         p = pdata + pad;
1786                 } else {
1787                         p = pdata + len;
1788                 }
1789                 break;
1790
1791         case SMB_FIND_FILE_DIRECTORY_INFO:
1792                 DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_FILE_DIRECTORY_INFO\n"));
1793                 p += 4;
1794                 SIVAL(p,0,reskey); p += 4;
1795                 put_long_date_timespec(conn->ts_res,p,create_date_ts); p += 8;
1796                 put_long_date_timespec(conn->ts_res,p,adate_ts); p += 8;
1797                 put_long_date_timespec(conn->ts_res,p,mdate_ts); p += 8;
1798                 put_long_date_timespec(conn->ts_res,p,cdate_ts); p += 8;
1799                 SOFF_T(p,0,file_size); p += 8;
1800                 SOFF_T(p,0,allocation_size); p += 8;
1801                 SIVAL(p,0,mode); p += 4;
1802                 len = srvstr_push(base_data, flags2,
1803                                   p + 4, fname, PTR_DIFF(end_data, p+4),
1804                                   STR_TERMINATE_ASCII);
1805                 SIVAL(p,0,len);
1806                 p += 4 + len;
1807
1808                 len = PTR_DIFF(p, pdata);
1809                 pad = (len + (align-1)) & ~(align-1);
1810                 /*
1811                  * offset to the next entry, the caller
1812                  * will overwrite it for the last entry
1813                  * that's why we always include the padding
1814                  */
1815                 SIVAL(pdata,0,pad);
1816                 /*
1817                  * set padding to zero
1818                  */
1819                 if (do_pad) {
1820                         memset(p, 0, pad - len);
1821                         p = pdata + pad;
1822                 } else {
1823                         p = pdata + len;
1824                 }
1825                 break;
1826
1827         case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
1828                 DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_FILE_FULL_DIRECTORY_INFO\n"));
1829                 p += 4;
1830                 SIVAL(p,0,reskey); p += 4;
1831                 put_long_date_timespec(conn->ts_res,p,create_date_ts); p += 8;
1832                 put_long_date_timespec(conn->ts_res,p,adate_ts); p += 8;
1833                 put_long_date_timespec(conn->ts_res,p,mdate_ts); p += 8;
1834                 put_long_date_timespec(conn->ts_res,p,cdate_ts); p += 8;
1835                 SOFF_T(p,0,file_size); p += 8;
1836                 SOFF_T(p,0,allocation_size); p += 8;
1837                 SIVAL(p,0,mode); p += 4;
1838                 q = p; p += 4; /* q is placeholder for name length. */
1839                 {
1840                         unsigned int ea_size = estimate_ea_size(conn, NULL,
1841                                                                 smb_fname->base_name);
1842                         SIVAL(p,0,ea_size); /* Extended attributes */
1843                         p +=4;
1844                 }
1845                 len = srvstr_push(base_data, flags2, p,
1846                                   fname, PTR_DIFF(end_data, p),
1847                                   STR_TERMINATE_ASCII);
1848                 SIVAL(q, 0, len);
1849                 p += len;
1850
1851                 len = PTR_DIFF(p, pdata);
1852                 pad = (len + (align-1)) & ~(align-1);
1853                 /*
1854                  * offset to the next entry, the caller
1855                  * will overwrite it for the last entry
1856                  * that's why we always include the padding
1857                  */
1858                 SIVAL(pdata,0,pad);
1859                 /*
1860                  * set padding to zero
1861                  */
1862                 if (do_pad) {
1863                         memset(p, 0, pad - len);
1864                         p = pdata + pad;
1865                 } else {
1866                         p = pdata + len;
1867                 }
1868                 break;
1869
1870         case SMB_FIND_FILE_NAMES_INFO:
1871                 DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_FILE_NAMES_INFO\n"));
1872                 p += 4;
1873                 SIVAL(p,0,reskey); p += 4;
1874                 p += 4;
1875                 /* this must *not* be null terminated or w2k gets in a loop trying to set an
1876                    acl on a dir (tridge) */
1877                 len = srvstr_push(base_data, flags2, p,
1878                                   fname, PTR_DIFF(end_data, p),
1879                                   STR_TERMINATE_ASCII);
1880                 SIVAL(p, -4, len);
1881                 p += len;
1882
1883                 len = PTR_DIFF(p, pdata);
1884                 pad = (len + (align-1)) & ~(align-1);
1885                 /*
1886                  * offset to the next entry, the caller
1887                  * will overwrite it for the last entry
1888                  * that's why we always include the padding
1889                  */
1890                 SIVAL(pdata,0,pad);
1891                 /*
1892                  * set padding to zero
1893                  */
1894                 if (do_pad) {
1895                         memset(p, 0, pad - len);
1896                         p = pdata + pad;
1897                 } else {
1898                         p = pdata + len;
1899                 }
1900                 break;
1901
1902         case SMB_FIND_ID_FULL_DIRECTORY_INFO:
1903                 DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_ID_FULL_DIRECTORY_INFO\n"));
1904                 p += 4;
1905                 SIVAL(p,0,reskey); p += 4;
1906                 put_long_date_timespec(conn->ts_res,p,create_date_ts); p += 8;
1907                 put_long_date_timespec(conn->ts_res,p,adate_ts); p += 8;
1908                 put_long_date_timespec(conn->ts_res,p,mdate_ts); p += 8;
1909                 put_long_date_timespec(conn->ts_res,p,cdate_ts); p += 8;
1910                 SOFF_T(p,0,file_size); p += 8;
1911                 SOFF_T(p,0,allocation_size); p += 8;
1912                 SIVAL(p,0,mode); p += 4;
1913                 q = p; p += 4; /* q is placeholder for name length. */
1914                 {
1915                         unsigned int ea_size = estimate_ea_size(conn, NULL,
1916                                                                 smb_fname->base_name);
1917                         SIVAL(p,0,ea_size); /* Extended attributes */
1918                         p +=4;
1919                 }
1920                 SIVAL(p,0,0); p += 4; /* Unknown - reserved ? */
1921                 SBVAL(p,0,file_index); p += 8;
1922                 len = srvstr_push(base_data, flags2, p,
1923                                   fname, PTR_DIFF(end_data, p),
1924                                   STR_TERMINATE_ASCII);
1925                 SIVAL(q, 0, len);
1926                 p += len;
1927
1928                 len = PTR_DIFF(p, pdata);
1929                 pad = (len + (align-1)) & ~(align-1);
1930                 /*
1931                  * offset to the next entry, the caller
1932                  * will overwrite it for the last entry
1933                  * that's why we always include the padding
1934                  */
1935                 SIVAL(pdata,0,pad);
1936                 /*
1937                  * set padding to zero
1938                  */
1939                 if (do_pad) {
1940                         memset(p, 0, pad - len);
1941                         p = pdata + pad;
1942                 } else {
1943                         p = pdata + len;
1944                 }
1945                 break;
1946
1947         case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
1948                 DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_ID_BOTH_DIRECTORY_INFO\n"));
1949                 was_8_3 = mangle_is_8_3(fname, True, conn->params);
1950                 p += 4;
1951                 SIVAL(p,0,reskey); p += 4;
1952                 put_long_date_timespec(conn->ts_res,p,create_date_ts); p += 8;
1953                 put_long_date_timespec(conn->ts_res,p,adate_ts); p += 8;
1954                 put_long_date_timespec(conn->ts_res,p,mdate_ts); p += 8;
1955                 put_long_date_timespec(conn->ts_res,p,cdate_ts); p += 8;
1956                 SOFF_T(p,0,file_size); p += 8;
1957                 SOFF_T(p,0,allocation_size); p += 8;
1958                 SIVAL(p,0,mode); p += 4;
1959                 q = p; p += 4; /* q is placeholder for name length */
1960                 {
1961                         unsigned int ea_size = estimate_ea_size(conn, NULL,
1962                                                                 smb_fname->base_name);
1963                         SIVAL(p,0,ea_size); /* Extended attributes */
1964                         p +=4;
1965                 }
1966                 /* Clear the short name buffer. This is
1967                  * IMPORTANT as not doing so will trigger
1968                  * a Win2k client bug. JRA.
1969                  */
1970                 if (!was_8_3 && check_mangled_names) {
1971                         char mangled_name[13]; /* mangled 8.3 name. */
1972                         if (!name_to_8_3(fname,mangled_name,True,
1973                                         conn->params)) {
1974                                 /* Error - mangle failed ! */
1975                                 memset(mangled_name,'\0',12);
1976                         }
1977                         mangled_name[12] = 0;
1978                         len = srvstr_push(base_data, flags2,
1979                                           p+2, mangled_name, 24,
1980                                           STR_UPPER|STR_UNICODE);
1981                         SSVAL(p, 0, len);
1982                         if (len < 24) {
1983                                 memset(p + 2 + len,'\0',24 - len);
1984                         }
1985                         SSVAL(p, 0, len);
1986                 } else {
1987                         memset(p,'\0',26);
1988                 }
1989                 p += 26;
1990                 SSVAL(p,0,0); p += 2; /* Reserved ? */
1991                 SBVAL(p,0,file_index); p += 8;
1992                 len = srvstr_push(base_data, flags2, p,
1993                                   fname, PTR_DIFF(end_data, p),
1994                                   STR_TERMINATE_ASCII);
1995                 SIVAL(q,0,len);
1996                 p += len;
1997
1998                 len = PTR_DIFF(p, pdata);
1999                 pad = (len + (align-1)) & ~(align-1);
2000                 /*
2001                  * offset to the next entry, the caller
2002                  * will overwrite it for the last entry
2003                  * that's why we always include the padding
2004                  */
2005                 SIVAL(pdata,0,pad);
2006                 /*
2007                  * set padding to zero
2008                  */
2009                 if (do_pad) {
2010                         memset(p, 0, pad - len);
2011                         p = pdata + pad;
2012                 } else {
2013                         p = pdata + len;
2014                 }
2015                 break;
2016
2017         /* CIFS UNIX Extension. */
2018
2019         case SMB_FIND_FILE_UNIX:
2020         case SMB_FIND_FILE_UNIX_INFO2:
2021                 p+= 4;
2022                 SIVAL(p,0,reskey); p+= 4;    /* Used for continuing search. */
2023
2024                 /* Begin of SMB_QUERY_FILE_UNIX_BASIC */
2025
2026                 if (info_level == SMB_FIND_FILE_UNIX) {
2027                         DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_FILE_UNIX\n"));
2028                         p = store_file_unix_basic(conn, p,
2029                                                 NULL, &smb_fname->st);
2030                         len = srvstr_push(base_data, flags2, p,
2031                                           fname, PTR_DIFF(end_data, p),
2032                                           STR_TERMINATE);
2033                 } else {
2034                         DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_FILE_UNIX_INFO2\n"));
2035                         p = store_file_unix_basic_info2(conn, p,
2036                                                 NULL, &smb_fname->st);
2037                         nameptr = p;
2038                         p += 4;
2039                         len = srvstr_push(base_data, flags2, p, fname,
2040                                           PTR_DIFF(end_data, p), 0);
2041                         SIVAL(nameptr, 0, len);
2042                 }
2043
2044                 p += len;
2045
2046                 len = PTR_DIFF(p, pdata);
2047                 pad = (len + (align-1)) & ~(align-1);
2048                 /*
2049                  * offset to the next entry, the caller
2050                  * will overwrite it for the last entry
2051                  * that's why we always include the padding
2052                  */
2053                 SIVAL(pdata,0,pad);
2054                 /*
2055                  * set padding to zero
2056                  */
2057                 if (do_pad) {
2058                         memset(p, 0, pad - len);
2059                         p = pdata + pad;
2060                 } else {
2061                         p = pdata + len;
2062                 }
2063                 /* End of SMB_QUERY_FILE_UNIX_BASIC */
2064
2065                 break;
2066
2067         default:
2068                 return false;
2069         }
2070
2071         if (PTR_DIFF(p,pdata) > space_remaining) {
2072                 *out_of_space = true;
2073                 DEBUG(9,("smbd_marshall_dir_entry: out of space "
2074                         "(wanted %u, had %d)\n",
2075                         (unsigned int)PTR_DIFF(p,pdata),
2076                         space_remaining ));
2077                 return false; /* Not finished - just out of space */
2078         }
2079
2080         /* Setup the last entry pointer, as an offset from base_data */
2081         *last_entry_off = PTR_DIFF(last_entry_ptr,base_data);
2082         /* Advance the data pointer to the next slot */
2083         *ppdata = p;
2084
2085         return true;
2086 }
2087
2088 bool smbd_dirptr_lanman2_entry(TALLOC_CTX *ctx,
2089                                connection_struct *conn,
2090                                struct dptr_struct *dirptr,
2091                                uint16 flags2,
2092                                const char *path_mask,
2093                                uint32 dirtype,
2094                                int info_level,
2095                                int requires_resume_key,
2096                                bool dont_descend,
2097                                bool ask_sharemode,
2098                                uint8_t align,
2099                                bool do_pad,
2100                                char **ppdata,
2101                                char *base_data,
2102                                char *end_data,
2103                                int space_remaining,
2104                                bool *out_of_space,
2105                                bool *got_exact_match,
2106                                int *_last_entry_off,
2107                                struct ea_list *name_list)
2108 {
2109         const char *p;
2110         const char *mask = NULL;
2111         long prev_dirpos = 0;
2112         uint32_t mode = 0;
2113         char *fname = NULL;
2114         struct smb_filename *smb_fname = NULL;
2115         struct smbd_dirptr_lanman2_state state;
2116         bool ok;
2117         uint64_t last_entry_off = 0;
2118
2119         ZERO_STRUCT(state);
2120         state.conn = conn;
2121         state.info_level = info_level;
2122         state.check_mangled_names = lp_manglednames(conn->params);
2123         state.has_wild = dptr_has_wild(dirptr);
2124         state.got_exact_match = false;
2125
2126         *out_of_space = false;
2127         *got_exact_match = false;
2128
2129         p = strrchr_m(path_mask,'/');
2130         if(p != NULL) {
2131                 if(p[1] == '\0') {
2132                         mask = "*.*";
2133                 } else {
2134                         mask = p+1;
2135                 }
2136         } else {
2137                 mask = path_mask;
2138         }
2139
2140         ok = smbd_dirptr_get_entry(ctx,
2141                                    dirptr,
2142                                    mask,
2143                                    dirtype,
2144                                    dont_descend,
2145                                    ask_sharemode,
2146                                    smbd_dirptr_lanman2_match_fn,
2147                                    smbd_dirptr_lanman2_mode_fn,
2148                                    &state,
2149                                    &fname,
2150                                    &smb_fname,
2151                                    &mode,
2152                                    &prev_dirpos);
2153         if (!ok) {
2154                 return false;
2155         }
2156
2157         *got_exact_match = state.got_exact_match;
2158
2159         ok = smbd_marshall_dir_entry(ctx,
2160                                      conn,
2161                                      flags2,
2162                                      info_level,
2163                                      name_list,
2164                                      state.check_mangled_names,
2165                                      requires_resume_key,
2166                                      mode,
2167                                      fname,
2168                                      smb_fname,
2169                                      space_remaining,
2170                                      align,
2171                                      do_pad,
2172                                      base_data,
2173                                      ppdata,
2174                                      end_data,
2175                                      out_of_space,
2176                                      &last_entry_off);
2177         TALLOC_FREE(fname);
2178         TALLOC_FREE(smb_fname);
2179         if (*out_of_space) {
2180                 dptr_SeekDir(dirptr, prev_dirpos);
2181                 return false;
2182         }
2183         if (!ok) {
2184                 return false;
2185         }
2186
2187         *_last_entry_off = last_entry_off;
2188         return true;
2189 }
2190
2191 static bool get_lanman2_dir_entry(TALLOC_CTX *ctx,
2192                                 connection_struct *conn,
2193                                 struct dptr_struct *dirptr,
2194                                 uint16 flags2,
2195                                 const char *path_mask,
2196                                 uint32 dirtype,
2197                                 int info_level,
2198                                 bool requires_resume_key,
2199                                 bool dont_descend,
2200                                 bool ask_sharemode,
2201                                 char **ppdata,
2202                                 char *base_data,
2203                                 char *end_data,
2204                                 int space_remaining,
2205                                 bool *out_of_space,
2206                                 bool *got_exact_match,
2207                                 int *last_entry_off,
2208                                 struct ea_list *name_list)
2209 {
2210         uint8_t align = 4;
2211         const bool do_pad = true;
2212
2213         if (info_level >= 1 && info_level <= 3) {
2214                 /* No alignment on earlier info levels. */
2215                 align = 1;
2216         }
2217
2218         return smbd_dirptr_lanman2_entry(ctx, conn, dirptr, flags2,
2219                                          path_mask, dirtype, info_level,
2220                                          requires_resume_key, dont_descend, ask_sharemode,
2221                                          align, do_pad,
2222                                          ppdata, base_data, end_data,
2223                                          space_remaining,
2224                                          out_of_space, got_exact_match,
2225                                          last_entry_off, name_list);
2226 }
2227
2228 /****************************************************************************
2229  Reply to a TRANS2_FINDFIRST.
2230 ****************************************************************************/
2231
2232 static void call_trans2findfirst(connection_struct *conn,
2233                                  struct smb_request *req,
2234                                  char **pparams, int total_params,
2235                                  char **ppdata, int total_data,
2236                                  unsigned int max_data_bytes)
2237 {
2238         /* We must be careful here that we don't return more than the
2239                 allowed number of data bytes. If this means returning fewer than
2240                 maxentries then so be it. We assume that the redirector has
2241                 enough room for the fixed number of parameter bytes it has
2242                 requested. */
2243         struct smb_filename *smb_dname = NULL;
2244         char *params = *pparams;
2245         char *pdata = *ppdata;
2246         char *data_end;
2247         uint32 dirtype;
2248         int maxentries;
2249         uint16 findfirst_flags;
2250         bool close_after_first;
2251         bool close_if_end;
2252         bool requires_resume_key;
2253         int info_level;
2254         char *directory = NULL;
2255         char *mask = NULL;
2256         char *p;
2257         int last_entry_off=0;
2258         int dptr_num = -1;
2259         int numentries = 0;
2260         int i;
2261         bool finished = False;
2262         bool dont_descend = False;
2263         bool out_of_space = False;
2264         int space_remaining;
2265         bool mask_contains_wcard = False;
2266         struct ea_list *ea_list = NULL;
2267         NTSTATUS ntstatus = NT_STATUS_OK;
2268         bool ask_sharemode = lp_parm_bool(SNUM(conn), "smbd", "search ask sharemode", true);
2269         TALLOC_CTX *ctx = talloc_tos();
2270         struct dptr_struct *dirptr = NULL;
2271         struct smbd_server_connection *sconn = req->sconn;
2272
2273         if (total_params < 13) {
2274                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2275                 goto out;
2276         }
2277
2278         dirtype = SVAL(params,0);
2279         maxentries = SVAL(params,2);
2280         findfirst_flags = SVAL(params,4);
2281         close_after_first = (findfirst_flags & FLAG_TRANS2_FIND_CLOSE);
2282         close_if_end = (findfirst_flags & FLAG_TRANS2_FIND_CLOSE_IF_END);
2283         requires_resume_key = (findfirst_flags & FLAG_TRANS2_FIND_REQUIRE_RESUME);
2284         info_level = SVAL(params,6);
2285
2286         DEBUG(3,("call_trans2findfirst: dirtype = %x, maxentries = %d, close_after_first=%d, \
2287 close_if_end = %d requires_resume_key = %d level = 0x%x, max_data_bytes = %d\n",
2288                 (unsigned int)dirtype, maxentries, close_after_first, close_if_end, requires_resume_key,
2289                 info_level, max_data_bytes));
2290
2291         if (!maxentries) {
2292                 /* W2K3 seems to treat zero as 1. */
2293                 maxentries = 1;
2294         }
2295
2296         switch (info_level) {
2297                 case SMB_FIND_INFO_STANDARD:
2298                 case SMB_FIND_EA_SIZE:
2299                 case SMB_FIND_EA_LIST:
2300                 case SMB_FIND_FILE_DIRECTORY_INFO:
2301                 case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
2302                 case SMB_FIND_FILE_NAMES_INFO:
2303                 case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
2304                 case SMB_FIND_ID_FULL_DIRECTORY_INFO:
2305                 case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
2306                         break;
2307                 case SMB_FIND_FILE_UNIX:
2308                 case SMB_FIND_FILE_UNIX_INFO2:
2309                         /* Always use filesystem for UNIX mtime query. */
2310                         ask_sharemode = false;
2311                         if (!lp_unix_extensions()) {
2312                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2313                                 goto out;
2314                         }
2315                         break;
2316                 default:
2317                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2318                         goto out;
2319         }
2320
2321         srvstr_get_path_wcard(ctx, params, req->flags2, &directory,
2322                               params+12, total_params - 12,
2323                               STR_TERMINATE, &ntstatus, &mask_contains_wcard);
2324         if (!NT_STATUS_IS_OK(ntstatus)) {
2325                 reply_nterror(req, ntstatus);
2326                 goto out;
2327         }
2328
2329         ntstatus = filename_convert(ctx, conn,
2330                                     req->flags2 & FLAGS2_DFS_PATHNAMES,
2331                                     directory,
2332                                     (UCF_SAVE_LCOMP |
2333                                         UCF_ALWAYS_ALLOW_WCARD_LCOMP),
2334                                     &mask_contains_wcard,
2335                                     &smb_dname);
2336         if (!NT_STATUS_IS_OK(ntstatus)) {
2337                 if (NT_STATUS_EQUAL(ntstatus,NT_STATUS_PATH_NOT_COVERED)) {
2338                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
2339                                         ERRSRV, ERRbadpath);
2340                         goto out;
2341                 }
2342                 reply_nterror(req, ntstatus);
2343                 goto out;
2344         }
2345
2346         mask = smb_dname->original_lcomp;
2347
2348         directory = smb_dname->base_name;
2349
2350         p = strrchr_m(directory,'/');
2351         if(p == NULL) {
2352                 /* Windows and OS/2 systems treat search on the root '\' as if it were '\*' */
2353                 if((directory[0] == '.') && (directory[1] == '\0')) {
2354                         mask = talloc_strdup(ctx,"*");
2355                         if (!mask) {
2356                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2357                                 goto out;
2358                         }
2359                         mask_contains_wcard = True;
2360                 }
2361         } else {
2362                 *p = 0;
2363         }
2364
2365         if (p == NULL || p == directory) {
2366                 /* Ensure we don't have a directory name of "". */
2367                 directory = talloc_strdup(talloc_tos(), ".");
2368                 if (!directory) {
2369                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2370                         goto out;
2371                 }
2372         }
2373
2374         DEBUG(5,("dir=%s, mask = %s\n",directory, mask));
2375
2376         if (info_level == SMB_FIND_EA_LIST) {
2377                 uint32 ea_size;
2378
2379                 if (total_data < 4) {
2380                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2381                         goto out;
2382                 }
2383
2384                 ea_size = IVAL(pdata,0);
2385                 if (ea_size != total_data) {
2386                         DEBUG(4,("call_trans2findfirst: Rejecting EA request with incorrect \
2387 total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
2388                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2389                         goto out;
2390                 }
2391
2392                 if (!lp_ea_support(SNUM(conn))) {
2393                         reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
2394                         goto out;
2395                 }
2396
2397                 /* Pull out the list of names. */
2398                 ea_list = read_ea_name_list(ctx, pdata + 4, ea_size - 4);
2399                 if (!ea_list) {
2400                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2401                         goto out;
2402                 }
2403         }
2404
2405         *ppdata = (char *)SMB_REALLOC(
2406                 *ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2407         if(*ppdata == NULL ) {
2408                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2409                 goto out;
2410         }
2411         pdata = *ppdata;
2412         data_end = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
2413
2414         /* Realloc the params space */
2415         *pparams = (char *)SMB_REALLOC(*pparams, 10);
2416         if (*pparams == NULL) {
2417                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2418                 goto out;
2419         }
2420         params = *pparams;
2421
2422         /* Save the wildcard match and attribs we are using on this directory -
2423                 needed as lanman2 assumes these are being saved between calls */
2424
2425         ntstatus = dptr_create(conn,
2426                                 NULL, /* fsp */
2427                                 directory,
2428                                 False,
2429                                 True,
2430                                 req->smbpid,
2431                                 mask,
2432                                 mask_contains_wcard,
2433                                 dirtype,
2434                                 &dirptr);
2435
2436         if (!NT_STATUS_IS_OK(ntstatus)) {
2437                 reply_nterror(req, ntstatus);
2438                 goto out;
2439         }
2440
2441         dptr_num = dptr_dnum(dirptr);
2442         DEBUG(4,("dptr_num is %d, wcard = %s, attr = %d\n", dptr_num, mask, dirtype));
2443
2444         /* Initialize per TRANS2_FIND_FIRST operation data */
2445         dptr_init_search_op(dirptr);
2446
2447         /* We don't need to check for VOL here as this is returned by
2448                 a different TRANS2 call. */
2449
2450         DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",
2451                 directory,lp_dontdescend(SNUM(conn))));
2452         if (in_list(directory,lp_dontdescend(SNUM(conn)),conn->case_sensitive))
2453                 dont_descend = True;
2454
2455         p = pdata;
2456         space_remaining = max_data_bytes;
2457         out_of_space = False;
2458
2459         for (i=0;(i<maxentries) && !finished && !out_of_space;i++) {
2460                 bool got_exact_match = False;
2461
2462                 /* this is a heuristic to avoid seeking the dirptr except when
2463                         absolutely necessary. It allows for a filename of about 40 chars */
2464                 if (space_remaining < DIRLEN_GUESS && numentries > 0) {
2465                         out_of_space = True;
2466                         finished = False;
2467                 } else {
2468                         finished = !get_lanman2_dir_entry(ctx,
2469                                         conn,
2470                                         dirptr,
2471                                         req->flags2,
2472                                         mask,dirtype,info_level,
2473                                         requires_resume_key,dont_descend,
2474                                         ask_sharemode,
2475                                         &p,pdata,data_end,
2476                                         space_remaining, &out_of_space,
2477                                         &got_exact_match,
2478                                         &last_entry_off, ea_list);
2479                 }
2480
2481                 if (finished && out_of_space)
2482                         finished = False;
2483
2484                 if (!finished && !out_of_space)
2485                         numentries++;
2486
2487                 /*
2488                  * As an optimisation if we know we aren't looking
2489                  * for a wildcard name (ie. the name matches the wildcard exactly)
2490                  * then we can finish on any (first) match.
2491                  * This speeds up large directory searches. JRA.
2492                  */
2493
2494                 if(got_exact_match)
2495                         finished = True;
2496
2497                 /* Ensure space_remaining never goes -ve. */
2498                 if (PTR_DIFF(p,pdata) > max_data_bytes) {
2499                         space_remaining = 0;
2500                         out_of_space = true;
2501                 } else {
2502                         space_remaining = max_data_bytes - PTR_DIFF(p,pdata);
2503                 }
2504         }
2505
2506         /* Check if we can close the dirptr */
2507         if(close_after_first || (finished && close_if_end)) {
2508                 DEBUG(5,("call_trans2findfirst - (2) closing dptr_num %d\n", dptr_num));
2509                 dptr_close(sconn, &dptr_num);
2510         }
2511
2512         /*
2513          * If there are no matching entries we must return ERRDOS/ERRbadfile -
2514          * from observation of NT. NB. This changes to ERRDOS,ERRnofiles if
2515          * the protocol level is less than NT1. Tested with smbclient. JRA.
2516          * This should fix the OS/2 client bug #2335.
2517          */
2518
2519         if(numentries == 0) {
2520                 dptr_close(sconn, &dptr_num);
2521                 if (get_Protocol() < PROTOCOL_NT1) {
2522                         reply_force_doserror(req, ERRDOS, ERRnofiles);
2523                         goto out;
2524                 } else {
2525                         reply_botherror(req, NT_STATUS_NO_SUCH_FILE,
2526                                         ERRDOS, ERRbadfile);
2527                         goto out;
2528                 }
2529         }
2530
2531         /* At this point pdata points to numentries directory entries. */
2532
2533         /* Set up the return parameter block */
2534         SSVAL(params,0,dptr_num);
2535         SSVAL(params,2,numentries);
2536         SSVAL(params,4,finished);
2537         SSVAL(params,6,0); /* Never an EA error */
2538         SSVAL(params,8,last_entry_off);
2539
2540         send_trans2_replies(conn, req, params, 10, pdata, PTR_DIFF(p,pdata),
2541                             max_data_bytes);
2542
2543         if ((! *directory) && dptr_path(sconn, dptr_num)) {
2544                 directory = talloc_strdup(talloc_tos(),dptr_path(sconn, dptr_num));
2545                 if (!directory) {
2546                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2547                 }
2548         }
2549
2550         DEBUG( 4, ( "%s mask=%s directory=%s dirtype=%d numentries=%d\n",
2551                 smb_fn_name(req->cmd),
2552                 mask, directory, dirtype, numentries ) );
2553
2554         /*
2555          * Force a name mangle here to ensure that the
2556          * mask as an 8.3 name is top of the mangled cache.
2557          * The reasons for this are subtle. Don't remove
2558          * this code unless you know what you are doing
2559          * (see PR#13758). JRA.
2560          */
2561
2562         if(!mangle_is_8_3_wildcards( mask, False, conn->params)) {
2563                 char mangled_name[13];
2564                 name_to_8_3(mask, mangled_name, True, conn->params);
2565         }
2566  out:
2567         TALLOC_FREE(smb_dname);
2568         return;
2569 }
2570
2571 /****************************************************************************
2572  Reply to a TRANS2_FINDNEXT.
2573 ****************************************************************************/
2574
2575 static void call_trans2findnext(connection_struct *conn,
2576                                 struct smb_request *req,
2577                                 char **pparams, int total_params,
2578                                 char **ppdata, int total_data,
2579                                 unsigned int max_data_bytes)
2580 {
2581         /* We must be careful here that we don't return more than the
2582                 allowed number of data bytes. If this means returning fewer than
2583                 maxentries then so be it. We assume that the redirector has
2584                 enough room for the fixed number of parameter bytes it has
2585                 requested. */
2586         char *params = *pparams;
2587         char *pdata = *ppdata;
2588         char *data_end;
2589         int dptr_num;
2590         int maxentries;
2591         uint16 info_level;
2592         uint32 resume_key;
2593         uint16 findnext_flags;
2594         bool close_after_request;
2595         bool close_if_end;
2596         bool requires_resume_key;
2597         bool continue_bit;
2598         bool mask_contains_wcard = False;
2599         char *resume_name = NULL;
2600         const char *mask = NULL;
2601         const char *directory = NULL;
2602         char *p = NULL;
2603         uint16 dirtype;
2604         int numentries = 0;
2605         int i, last_entry_off=0;
2606         bool finished = False;
2607         bool dont_descend = False;
2608         bool out_of_space = False;
2609         int space_remaining;
2610         struct ea_list *ea_list = NULL;
2611         NTSTATUS ntstatus = NT_STATUS_OK;
2612         bool ask_sharemode = lp_parm_bool(SNUM(conn), "smbd", "search ask sharemode", true);
2613         TALLOC_CTX *ctx = talloc_tos();
2614         struct dptr_struct *dirptr;
2615         struct smbd_server_connection *sconn = req->sconn;
2616
2617         if (total_params < 13) {
2618                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2619                 return;
2620         }
2621
2622         dptr_num = SVAL(params,0);
2623         maxentries = SVAL(params,2);
2624         info_level = SVAL(params,4);
2625         resume_key = IVAL(params,6);
2626         findnext_flags = SVAL(params,10);
2627         close_after_request = (findnext_flags & FLAG_TRANS2_FIND_CLOSE);
2628         close_if_end = (findnext_flags & FLAG_TRANS2_FIND_CLOSE_IF_END);
2629         requires_resume_key = (findnext_flags & FLAG_TRANS2_FIND_REQUIRE_RESUME);
2630         continue_bit = (findnext_flags & FLAG_TRANS2_FIND_CONTINUE);
2631
2632         if (!continue_bit) {
2633                 /* We only need resume_name if continue_bit is zero. */
2634                 srvstr_get_path_wcard(ctx, params, req->flags2, &resume_name,
2635                               params+12,
2636                               total_params - 12, STR_TERMINATE, &ntstatus,
2637                               &mask_contains_wcard);
2638                 if (!NT_STATUS_IS_OK(ntstatus)) {
2639                         /* Win9x or OS/2 can send a resume name of ".." or ".". This will cause the parser to
2640                            complain (it thinks we're asking for the directory above the shared
2641                            path or an invalid name). Catch this as the resume name is only compared, never used in
2642                            a file access. JRA. */
2643                         srvstr_pull_talloc(ctx, params, req->flags2,
2644                                 &resume_name, params+12,
2645                                 total_params - 12,
2646                                 STR_TERMINATE);
2647
2648                         if (!resume_name || !(ISDOT(resume_name) || ISDOTDOT(resume_name))) {
2649                                 reply_nterror(req, ntstatus);
2650                                 return;
2651                         }
2652                 }
2653         }
2654
2655         DEBUG(3,("call_trans2findnext: dirhandle = %d, max_data_bytes = %d, maxentries = %d, \
2656 close_after_request=%d, close_if_end = %d requires_resume_key = %d \
2657 resume_key = %d resume name = %s continue=%d level = %d\n",
2658                 dptr_num, max_data_bytes, maxentries, close_after_request, close_if_end,
2659                 requires_resume_key, resume_key,
2660                 resume_name ? resume_name : "(NULL)", continue_bit, info_level));
2661
2662         if (!maxentries) {
2663                 /* W2K3 seems to treat zero as 1. */
2664                 maxentries = 1;
2665         }
2666
2667         switch (info_level) {
2668                 case SMB_FIND_INFO_STANDARD:
2669                 case SMB_FIND_EA_SIZE:
2670                 case SMB_FIND_EA_LIST:
2671                 case SMB_FIND_FILE_DIRECTORY_INFO:
2672                 case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
2673                 case SMB_FIND_FILE_NAMES_INFO:
2674                 case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
2675                 case SMB_FIND_ID_FULL_DIRECTORY_INFO:
2676                 case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
2677                         break;
2678                 case SMB_FIND_FILE_UNIX:
2679                 case SMB_FIND_FILE_UNIX_INFO2:
2680                         /* Always use filesystem for UNIX mtime query. */
2681                         ask_sharemode = false;
2682                         if (!lp_unix_extensions()) {
2683                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2684                                 return;
2685                         }
2686                         break;
2687                 default:
2688                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2689                         return;
2690         }
2691
2692         if (info_level == SMB_FIND_EA_LIST) {
2693                 uint32 ea_size;
2694
2695                 if (total_data < 4) {
2696                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2697                         return;
2698                 }
2699
2700                 ea_size = IVAL(pdata,0);
2701                 if (ea_size != total_data) {
2702                         DEBUG(4,("call_trans2findnext: Rejecting EA request with incorrect \
2703 total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
2704                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2705                         return;
2706                 }
2707
2708                 if (!lp_ea_support(SNUM(conn))) {
2709                         reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
2710                         return;
2711                 }
2712
2713                 /* Pull out the list of names. */
2714                 ea_list = read_ea_name_list(ctx, pdata + 4, ea_size - 4);
2715                 if (!ea_list) {
2716                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2717                         return;
2718                 }
2719         }
2720
2721         *ppdata = (char *)SMB_REALLOC(
2722                 *ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2723         if(*ppdata == NULL) {
2724                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2725                 return;
2726         }
2727
2728         pdata = *ppdata;
2729         data_end = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
2730
2731         /* Realloc the params space */
2732         *pparams = (char *)SMB_REALLOC(*pparams, 6*SIZEOFWORD);
2733         if(*pparams == NULL ) {
2734                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2735                 return;
2736         }
2737
2738         params = *pparams;
2739
2740         /* Check that the dptr is valid */
2741         if(!(dirptr = dptr_fetch_lanman2(sconn, dptr_num))) {
2742                 reply_nterror(req, STATUS_NO_MORE_FILES);
2743                 return;
2744         }
2745
2746         directory = dptr_path(sconn, dptr_num);
2747
2748         /* Get the wildcard mask from the dptr */
2749         if((p = dptr_wcard(sconn, dptr_num))== NULL) {
2750                 DEBUG(2,("dptr_num %d has no wildcard\n", dptr_num));
2751                 reply_nterror(req, STATUS_NO_MORE_FILES);
2752                 return;
2753         }
2754
2755         mask = p;
2756
2757         /* Get the attr mask from the dptr */
2758         dirtype = dptr_attr(sconn, dptr_num);
2759
2760         DEBUG(3,("dptr_num is %d, mask = %s, attr = %x, dirptr=(0x%lX,%ld)\n",
2761                 dptr_num, mask, dirtype,
2762                 (long)dirptr,
2763                 dptr_TellDir(dirptr)));
2764
2765         /* Initialize per TRANS2_FIND_NEXT operation data */
2766         dptr_init_search_op(dirptr);
2767
2768         /* We don't need to check for VOL here as this is returned by
2769                 a different TRANS2 call. */
2770
2771         DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",
2772                  directory,lp_dontdescend(SNUM(conn))));
2773         if (in_list(directory,lp_dontdescend(SNUM(conn)),conn->case_sensitive))
2774                 dont_descend = True;
2775
2776         p = pdata;
2777         space_remaining = max_data_bytes;
2778         out_of_space = False;
2779
2780         /*
2781          * Seek to the correct position. We no longer use the resume key but
2782          * depend on the last file name instead.
2783          */
2784
2785         if(!continue_bit && resume_name && *resume_name) {
2786                 SMB_STRUCT_STAT st;
2787
2788                 long current_pos = 0;
2789                 /*
2790                  * Remember, name_to_8_3 is called by
2791                  * get_lanman2_dir_entry(), so the resume name
2792                  * could be mangled. Ensure we check the unmangled name.
2793                  */
2794
2795                 if (mangle_is_mangled(resume_name, conn->params)) {
2796                         char *new_resume_name = NULL;
2797                         mangle_lookup_name_from_8_3(ctx,
2798                                                 resume_name,
2799                                                 &new_resume_name,
2800                                                 conn->params);
2801                         if (new_resume_name) {
2802                                 resume_name = new_resume_name;
2803                         }
2804                 }
2805
2806                 /*
2807                  * Fix for NT redirector problem triggered by resume key indexes
2808                  * changing between directory scans. We now return a resume key of 0
2809                  * and instead look for the filename to continue from (also given
2810                  * to us by NT/95/smbfs/smbclient). If no other scans have been done between the
2811                  * findfirst/findnext (as is usual) then the directory pointer
2812                  * should already be at the correct place.
2813                  */
2814
2815                 finished = !dptr_SearchDir(dirptr, resume_name, &current_pos, &st);
2816         } /* end if resume_name && !continue_bit */
2817
2818         for (i=0;(i<(int)maxentries) && !finished && !out_of_space ;i++) {
2819                 bool got_exact_match = False;
2820
2821                 /* this is a heuristic to avoid seeking the dirptr except when
2822                         absolutely necessary. It allows for a filename of about 40 chars */
2823                 if (space_remaining < DIRLEN_GUESS && numentries > 0) {
2824                         out_of_space = True;
2825                         finished = False;
2826                 } else {
2827                         finished = !get_lanman2_dir_entry(ctx,
2828                                                 conn,
2829                                                 dirptr,
2830                                                 req->flags2,
2831                                                 mask,dirtype,info_level,
2832                                                 requires_resume_key,dont_descend,
2833                                                 ask_sharemode,
2834                                                 &p,pdata,data_end,
2835                                                 space_remaining, &out_of_space,
2836                                                 &got_exact_match,
2837                                                 &last_entry_off, ea_list);
2838                 }
2839
2840                 if (finished && out_of_space)
2841                         finished = False;
2842
2843                 if (!finished && !out_of_space)
2844                         numentries++;
2845
2846                 /*
2847                  * As an optimisation if we know we aren't looking
2848                  * for a wildcard name (ie. the name matches the wildcard exactly)
2849                  * then we can finish on any (first) match.
2850                  * This speeds up large directory searches. JRA.
2851                  */
2852
2853                 if(got_exact_match)
2854                         finished = True;
2855
2856                 space_remaining = max_data_bytes - PTR_DIFF(p,pdata);
2857         }
2858
2859         DEBUG( 3, ( "%s mask=%s directory=%s dirtype=%d numentries=%d\n",
2860                 smb_fn_name(req->cmd),
2861                 mask, directory, dirtype, numentries ) );
2862
2863         /* Check if we can close the dirptr */
2864         if(close_after_request || (finished && close_if_end)) {
2865                 DEBUG(5,("call_trans2findnext: closing dptr_num = %d\n", dptr_num));
2866                 dptr_close(sconn, &dptr_num); /* This frees up the saved mask */
2867         }
2868
2869         /* Set up the return parameter block */
2870         SSVAL(params,0,numentries);
2871         SSVAL(params,2,finished);
2872         SSVAL(params,4,0); /* Never an EA error */
2873         SSVAL(params,6,last_entry_off);
2874
2875         send_trans2_replies(conn, req, params, 8, pdata, PTR_DIFF(p,pdata),
2876                             max_data_bytes);
2877
2878         return;
2879 }
2880
2881 unsigned char *create_volume_objectid(connection_struct *conn, unsigned char objid[16])
2882 {
2883         E_md4hash(lp_servicename(SNUM(conn)),objid);
2884         return objid;
2885 }
2886
2887 static void samba_extended_info_version(struct smb_extended_info *extended_info)
2888 {
2889         SMB_ASSERT(extended_info != NULL);
2890
2891         extended_info->samba_magic = SAMBA_EXTENDED_INFO_MAGIC;
2892         extended_info->samba_version = ((SAMBA_VERSION_MAJOR & 0xff) << 24)
2893                                        | ((SAMBA_VERSION_MINOR & 0xff) << 16)
2894                                        | ((SAMBA_VERSION_RELEASE & 0xff) << 8);
2895 #ifdef SAMBA_VERSION_REVISION
2896         extended_info->samba_version |= (tolower(*SAMBA_VERSION_REVISION) - 'a' + 1) & 0xff;
2897 #endif
2898         extended_info->samba_subversion = 0;
2899 #ifdef SAMBA_VERSION_RC_RELEASE
2900         extended_info->samba_subversion |= (SAMBA_VERSION_RC_RELEASE & 0xff) << 24;
2901 #else
2902 #ifdef SAMBA_VERSION_PRE_RELEASE
2903         extended_info->samba_subversion |= (SAMBA_VERSION_PRE_RELEASE & 0xff) << 16;
2904 #endif
2905 #endif
2906 #ifdef SAMBA_VERSION_VENDOR_PATCH
2907         extended_info->samba_subversion |= (SAMBA_VERSION_VENDOR_PATCH & 0xffff);
2908 #endif
2909         extended_info->samba_gitcommitdate = 0;
2910 #ifdef SAMBA_VERSION_COMMIT_TIME
2911         unix_to_nt_time(&extended_info->samba_gitcommitdate, SAMBA_VERSION_COMMIT_TIME);
2912 #endif
2913
2914         memset(extended_info->samba_version_string, 0,
2915                sizeof(extended_info->samba_version_string));
2916
2917         snprintf (extended_info->samba_version_string,
2918                   sizeof(extended_info->samba_version_string),
2919                   "%s", samba_version_string());
2920 }
2921
2922 NTSTATUS smbd_do_qfsinfo(connection_struct *conn,
2923                          TALLOC_CTX *mem_ctx,
2924                          uint16_t info_level,
2925                          uint16_t flags2,
2926                          unsigned int max_data_bytes,
2927                          char **ppdata,
2928                          int *ret_data_len)
2929 {
2930         char *pdata, *end_data;
2931         int data_len = 0, len;
2932         const char *vname = volume_label(SNUM(conn));
2933         int snum = SNUM(conn);
2934         char *fstype = lp_fstype(SNUM(conn));
2935         uint32 additional_flags = 0;
2936         struct smb_filename smb_fname_dot;
2937         SMB_STRUCT_STAT st;
2938
2939         if (IS_IPC(conn)) {
2940                 if (info_level != SMB_QUERY_CIFS_UNIX_INFO) {
2941                         DEBUG(0,("smbd_do_qfsinfo: not an allowed "
2942                                 "info level (0x%x) on IPC$.\n",
2943                                 (unsigned int)info_level));
2944                         return NT_STATUS_ACCESS_DENIED;
2945                 }
2946         }
2947
2948         DEBUG(3,("smbd_do_qfsinfo: level = %d\n", info_level));
2949
2950         ZERO_STRUCT(smb_fname_dot);
2951         smb_fname_dot.base_name = discard_const_p(char, ".");
2952
2953         if(SMB_VFS_STAT(conn, &smb_fname_dot) != 0) {
2954                 DEBUG(2,("stat of . failed (%s)\n", strerror(errno)));
2955                 return map_nt_error_from_unix(errno);
2956         }
2957
2958         st = smb_fname_dot.st;
2959
2960         *ppdata = (char *)SMB_REALLOC(
2961                 *ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2962         if (*ppdata == NULL) {
2963                 return NT_STATUS_NO_MEMORY;
2964         }
2965
2966         pdata = *ppdata;
2967         memset((char *)pdata,'\0',max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2968         end_data = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
2969
2970         switch (info_level) {
2971                 case SMB_INFO_ALLOCATION:
2972                 {
2973                         uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
2974                         data_len = 18;
2975                         if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (uint64_t)-1) {
2976                                 return map_nt_error_from_unix(errno);
2977                         }
2978
2979                         block_size = lp_block_size(snum);
2980                         if (bsize < block_size) {
2981                                 uint64_t factor = block_size/bsize;
2982                                 bsize = block_size;
2983                                 dsize /= factor;
2984                                 dfree /= factor;
2985                         }
2986                         if (bsize > block_size) {
2987                                 uint64_t factor = bsize/block_size;
2988                                 bsize = block_size;
2989                                 dsize *= factor;
2990                                 dfree *= factor;
2991                         }
2992                         bytes_per_sector = 512;
2993                         sectors_per_unit = bsize/bytes_per_sector;
2994
2995                         DEBUG(5,("smbd_do_qfsinfo : SMB_INFO_ALLOCATION id=%x, bsize=%u, cSectorUnit=%u, \
2996 cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)st.st_ex_dev, (unsigned int)bsize, (unsigned int)sectors_per_unit,
2997                                 (unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
2998
2999                         SIVAL(pdata,l1_idFileSystem,st.st_ex_dev);
3000                         SIVAL(pdata,l1_cSectorUnit,sectors_per_unit);
3001                         SIVAL(pdata,l1_cUnit,dsize);
3002                         SIVAL(pdata,l1_cUnitAvail,dfree);
3003                         SSVAL(pdata,l1_cbSector,bytes_per_sector);
3004                         break;
3005                 }
3006
3007                 case SMB_INFO_VOLUME:
3008                         /* Return volume name */
3009                         /*
3010                          * Add volume serial number - hash of a combination of
3011                          * the called hostname and the service name.
3012                          */
3013                         SIVAL(pdata,0,str_checksum(lp_servicename(snum)) ^ (str_checksum(get_local_machine_name())<<16) );
3014                         /*
3015                          * Win2k3 and previous mess this up by sending a name length
3016                          * one byte short. I believe only older clients (OS/2 Win9x) use
3017                          * this call so try fixing this by adding a terminating null to
3018                          * the pushed string. The change here was adding the STR_TERMINATE. JRA.
3019                          */
3020                         len = srvstr_push(
3021                                 pdata, flags2,
3022                                 pdata+l2_vol_szVolLabel, vname,
3023                                 PTR_DIFF(end_data, pdata+l2_vol_szVolLabel),
3024                                 STR_NOALIGN|STR_TERMINATE);
3025                         SCVAL(pdata,l2_vol_cch,len);
3026                         data_len = l2_vol_szVolLabel + len;
3027                         DEBUG(5,("smbd_do_qfsinfo : time = %x, namelen = %d, name = %s\n",
3028                                  (unsigned)convert_timespec_to_time_t(st.st_ex_ctime),
3029                                  len, vname));
3030                         break;
3031
3032                 case SMB_QUERY_FS_ATTRIBUTE_INFO:
3033                 case SMB_FS_ATTRIBUTE_INFORMATION:
3034
3035                         additional_flags = 0;
3036 #if defined(HAVE_SYS_QUOTAS)
3037                         additional_flags |= FILE_VOLUME_QUOTAS;
3038 #endif
3039
3040                         if(lp_nt_acl_support(SNUM(conn))) {
3041                                 additional_flags |= FILE_PERSISTENT_ACLS;
3042                         }
3043
3044                         /* Capabilities are filled in at connection time through STATVFS call */
3045                         additional_flags |= conn->fs_capabilities;
3046                         additional_flags |= lp_parm_int(conn->params->service,
3047                                                         "share", "fake_fscaps",
3048                                                         0);
3049
3050                         SIVAL(pdata,0,FILE_CASE_PRESERVED_NAMES|FILE_CASE_SENSITIVE_SEARCH|
3051                                 FILE_SUPPORTS_OBJECT_IDS|FILE_UNICODE_ON_DISK|
3052                                 additional_flags); /* FS ATTRIBUTES */
3053
3054                         SIVAL(pdata,4,255); /* Max filename component length */
3055                         /* NOTE! the fstype must *not* be null terminated or win98 won't recognise it
3056                                 and will think we can't do long filenames */
3057                         len = srvstr_push(pdata, flags2, pdata+12, fstype,
3058                                           PTR_DIFF(end_data, pdata+12),
3059                                           STR_UNICODE);
3060                         SIVAL(pdata,8,len);
3061                         data_len = 12 + len;
3062                         break;
3063
3064                 case SMB_QUERY_FS_LABEL_INFO:
3065                 case SMB_FS_LABEL_INFORMATION:
3066                         len = srvstr_push(pdata, flags2, pdata+4, vname,
3067                                           PTR_DIFF(end_data, pdata+4), 0);
3068                         data_len = 4 + len;
3069                         SIVAL(pdata,0,len);
3070                         break;
3071
3072                 case SMB_QUERY_FS_VOLUME_INFO:
3073                 case SMB_FS_VOLUME_INFORMATION:
3074
3075                         /*
3076                          * Add volume serial number - hash of a combination of
3077                          * the called hostname and the service name.
3078                          */
3079                         SIVAL(pdata,8,str_checksum(lp_servicename(snum)) ^
3080                                 (str_checksum(get_local_machine_name())<<16));
3081
3082                         /* Max label len is 32 characters. */
3083                         len = srvstr_push(pdata, flags2, pdata+18, vname,
3084                                           PTR_DIFF(end_data, pdata+18),
3085                                           STR_UNICODE);
3086                         SIVAL(pdata,12,len);
3087                         data_len = 18+len;
3088
3089                         DEBUG(5,("smbd_do_qfsinfo : SMB_QUERY_FS_VOLUME_INFO namelen = %d, vol=%s serv=%s\n",
3090                                 (int)strlen(vname),vname, lp_servicename(snum)));
3091                         break;
3092
3093                 case SMB_QUERY_FS_SIZE_INFO:
3094                 case SMB_FS_SIZE_INFORMATION:
3095                 {
3096                         uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
3097                         data_len = 24;
3098                         if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (uint64_t)-1) {
3099                                 return map_nt_error_from_unix(errno);
3100                         }
3101                         block_size = lp_block_size(snum);
3102                         if (bsize < block_size) {
3103                                 uint64_t factor = block_size/bsize;
3104                                 bsize = block_size;
3105                                 dsize /= factor;
3106                                 dfree /= factor;
3107                         }
3108                         if (bsize > block_size) {
3109                                 uint64_t factor = bsize/block_size;
3110                                 bsize = block_size;
3111                                 dsize *= factor;
3112                                 dfree *= factor;
3113                         }
3114                         bytes_per_sector = 512;
3115                         sectors_per_unit = bsize/bytes_per_sector;
3116                         DEBUG(5,("smbd_do_qfsinfo : SMB_QUERY_FS_SIZE_INFO bsize=%u, cSectorUnit=%u, \
3117 cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned int)sectors_per_unit,
3118                                 (unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
3119                         SBIG_UINT(pdata,0,dsize);
3120                         SBIG_UINT(pdata,8,dfree);
3121                         SIVAL(pdata,16,sectors_per_unit);
3122                         SIVAL(pdata,20,bytes_per_sector);
3123                         break;
3124                 }
3125
3126                 case SMB_FS_FULL_SIZE_INFORMATION:
3127                 {
3128                         uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
3129                         data_len = 32;
3130                         if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (uint64_t)-1) {
3131                                 return map_nt_error_from_unix(errno);
3132                         }
3133                         block_size = lp_block_size(snum);
3134                         if (bsize < block_size) {
3135                                 uint64_t factor = block_size/bsize;
3136                                 bsize = block_size;
3137                                 dsize /= factor;
3138                                 dfree /= factor;
3139                         }
3140                         if (bsize > block_size) {
3141                                 uint64_t factor = bsize/block_size;
3142                                 bsize = block_size;
3143                                 dsize *= factor;
3144                                 dfree *= factor;
3145                         }
3146                         bytes_per_sector = 512;
3147                         sectors_per_unit = bsize/bytes_per_sector;
3148                         DEBUG(5,("smbd_do_qfsinfo : SMB_QUERY_FS_FULL_SIZE_INFO bsize=%u, cSectorUnit=%u, \
3149 cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned int)sectors_per_unit,
3150                                 (unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
3151                         SBIG_UINT(pdata,0,dsize); /* Total Allocation units. */
3152                         SBIG_UINT(pdata,8,dfree); /* Caller available allocation units. */
3153                         SBIG_UINT(pdata,16,dfree); /* Actual available allocation units. */
3154                         SIVAL(pdata,24,sectors_per_unit); /* Sectors per allocation unit. */
3155                         SIVAL(pdata,28,bytes_per_sector); /* Bytes per sector. */
3156                         break;
3157                 }
3158
3159                 case SMB_QUERY_FS_DEVICE_INFO:
3160                 case SMB_FS_DEVICE_INFORMATION:
3161                 {
3162                         uint32_t characteristics = FILE_DEVICE_IS_MOUNTED;
3163
3164                         if (!CAN_WRITE(conn)) {
3165                                 characteristics |= FILE_READ_ONLY_DEVICE;
3166                         }
3167                         data_len = 8;
3168                         SIVAL(pdata,0,FILE_DEVICE_DISK); /* dev type */
3169                         SIVAL(pdata,4,characteristics);
3170                         break;
3171                 }
3172
3173 #ifdef HAVE_SYS_QUOTAS
3174                 case SMB_FS_QUOTA_INFORMATION:
3175                 /*
3176                  * what we have to send --metze:
3177                  *
3178                  * Unknown1:            24 NULL bytes
3179                  * Soft Quota Treshold: 8 bytes seems like uint64_t or so
3180                  * Hard Quota Limit:    8 bytes seems like uint64_t or so
3181                  * Quota Flags:         2 byte :
3182                  * Unknown3:            6 NULL bytes
3183                  *
3184                  * 48 bytes total
3185                  *
3186                  * details for Quota Flags:
3187                  *
3188                  * 0x0020 Log Limit: log if the user exceeds his Hard Quota
3189                  * 0x0010 Log Warn:  log if the user exceeds his Soft Quota
3190                  * 0x0002 Deny Disk: deny disk access when the user exceeds his Hard Quota
3191                  * 0x0001 Enable Quotas: enable quota for this fs
3192                  *
3193                  */
3194                 {
3195                         /* we need to fake up a fsp here,
3196                          * because its not send in this call
3197                          */
3198                         files_struct fsp;
3199                         SMB_NTQUOTA_STRUCT quotas;
3200
3201                         ZERO_STRUCT(fsp);
3202                         ZERO_STRUCT(quotas);
3203
3204                         fsp.conn = conn;
3205                         fsp.fnum = -1;
3206
3207                         /* access check */
3208                         if (get_current_uid(conn) != 0) {
3209                                 DEBUG(0,("set_user_quota: access_denied "
3210                                          "service [%s] user [%s]\n",
3211                                          lp_servicename(SNUM(conn)),
3212                                          conn->session_info->unix_name));
3213                                 return NT_STATUS_ACCESS_DENIED;
3214                         }
3215
3216                         if (vfs_get_ntquota(&fsp, SMB_USER_FS_QUOTA_TYPE, NULL, &quotas)!=0) {
3217                                 DEBUG(0,("vfs_get_ntquota() failed for service [%s]\n",lp_servicename(SNUM(conn))));
3218                                 return map_nt_error_from_unix(errno);
3219                         }
3220
3221                         data_len = 48;
3222
3223                         DEBUG(10,("SMB_FS_QUOTA_INFORMATION: for service [%s]\n",
3224                                   lp_servicename(SNUM(conn))));
3225
3226                         /* Unknown1 24 NULL bytes*/
3227                         SBIG_UINT(pdata,0,(uint64_t)0);
3228                         SBIG_UINT(pdata,8,(uint64_t)0);
3229                         SBIG_UINT(pdata,16,(uint64_t)0);
3230
3231                         /* Default Soft Quota 8 bytes */
3232                         SBIG_UINT(pdata,24,quotas.softlim);
3233
3234                         /* Default Hard Quota 8 bytes */
3235                         SBIG_UINT(pdata,32,quotas.hardlim);
3236
3237                         /* Quota flag 2 bytes */
3238                         SSVAL(pdata,40,quotas.qflags);
3239
3240                         /* Unknown3 6 NULL bytes */
3241                         SSVAL(pdata,42,0);
3242                         SIVAL(pdata,44,0);
3243
3244                         break;
3245                 }
3246 #endif /* HAVE_SYS_QUOTAS */
3247                 case SMB_FS_OBJECTID_INFORMATION:
3248                 {
3249                         unsigned char objid[16];
3250                         struct smb_extended_info extended_info;
3251                         memcpy(pdata,create_volume_objectid(conn, objid),16);
3252                         samba_extended_info_version (&extended_info);
3253                         SIVAL(pdata,16,extended_info.samba_magic);
3254                         SIVAL(pdata,20,extended_info.samba_version);
3255                         SIVAL(pdata,24,extended_info.samba_subversion);
3256                         SBIG_UINT(pdata,28,extended_info.samba_gitcommitdate);
3257                         memcpy(pdata+36,extended_info.samba_version_string,28);
3258                         data_len = 64;
3259                         break;
3260                 }
3261
3262                 /*
3263                  * Query the version and capabilities of the CIFS UNIX extensions
3264                  * in use.
3265                  */
3266
3267                 case SMB_QUERY_CIFS_UNIX_INFO:
3268                 {
3269                         bool large_write = lp_min_receive_file_size() &&
3270                                         !srv_is_signing_active(conn->sconn);
3271                         bool large_read = !srv_is_signing_active(conn->sconn);
3272                         int encrypt_caps = 0;
3273
3274                         if (!lp_unix_extensions()) {
3275                                 return NT_STATUS_INVALID_LEVEL;
3276                         }
3277
3278                         switch (conn->encrypt_level) {
3279                         case 0:
3280                                 encrypt_caps = 0;
3281                                 break;
3282                         case 1:
3283                         case Auto:
3284                                 encrypt_caps = CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP;
3285                                 break;
3286                         case Required:
3287                                 encrypt_caps = CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP|
3288                                                 CIFS_UNIX_TRANSPORT_ENCRYPTION_MANDATORY_CAP;
3289                                 large_write = false;
3290                                 large_read = false;
3291                                 break;
3292                         }
3293
3294                         data_len = 12;
3295                         SSVAL(pdata,0,CIFS_UNIX_MAJOR_VERSION);
3296                         SSVAL(pdata,2,CIFS_UNIX_MINOR_VERSION);
3297
3298                         /* We have POSIX ACLs, pathname, encryption,
3299                          * large read/write, and locking capability. */
3300
3301                         SBIG_UINT(pdata,4,((uint64_t)(
3302                                         CIFS_UNIX_POSIX_ACLS_CAP|
3303                                         CIFS_UNIX_POSIX_PATHNAMES_CAP|
3304                                         CIFS_UNIX_FCNTL_LOCKS_CAP|
3305                                         CIFS_UNIX_EXTATTR_CAP|
3306                                         CIFS_UNIX_POSIX_PATH_OPERATIONS_CAP|
3307                                         encrypt_caps|
3308                                         (large_read ? CIFS_UNIX_LARGE_READ_CAP : 0) |
3309                                         (large_write ?
3310                                         CIFS_UNIX_LARGE_WRITE_CAP : 0))));
3311                         break;
3312                 }
3313
3314                 case SMB_QUERY_POSIX_FS_INFO:
3315                 {
3316                         int rc;
3317                         vfs_statvfs_struct svfs;
3318
3319                         if (!lp_unix_extensions()) {
3320                                 return NT_STATUS_INVALID_LEVEL;
3321                         }
3322
3323                         rc = SMB_VFS_STATVFS(conn, ".", &svfs);
3324
3325                         if (!rc) {
3326                                 data_len = 56;
3327                                 SIVAL(pdata,0,svfs.OptimalTransferSize);
3328                                 SIVAL(pdata,4,svfs.BlockSize);
3329                                 SBIG_UINT(pdata,8,svfs.TotalBlocks);
3330                                 SBIG_UINT(pdata,16,svfs.BlocksAvail);
3331                                 SBIG_UINT(pdata,24,svfs.UserBlocksAvail);
3332                                 SBIG_UINT(pdata,32,svfs.TotalFileNodes);
3333                                 SBIG_UINT(pdata,40,svfs.FreeFileNodes);
3334                                 SBIG_UINT(pdata,48,svfs.FsIdentifier);
3335                                 DEBUG(5,("smbd_do_qfsinfo : SMB_QUERY_POSIX_FS_INFO succsessful\n"));
3336 #ifdef EOPNOTSUPP
3337                         } else if (rc == EOPNOTSUPP) {
3338                                 return NT_STATUS_INVALID_LEVEL;
3339 #endif /* EOPNOTSUPP */
3340                         } else {
3341                                 DEBUG(0,("vfs_statvfs() failed for service [%s]\n",lp_servicename(SNUM(conn))));
3342                                 return NT_STATUS_DOS(ERRSRV, ERRerror);
3343                         }
3344                         break;
3345                 }
3346
3347                 case SMB_QUERY_POSIX_WHOAMI:
3348                 {
3349                         uint32_t flags = 0;
3350                         uint32_t sid_bytes;
3351                         int i;
3352
3353                         if (!lp_unix_extensions()) {
3354                                 return NT_STATUS_INVALID_LEVEL;
3355                         }
3356
3357                         if (max_data_bytes < 40) {
3358                                 return NT_STATUS_BUFFER_TOO_SMALL;
3359                         }
3360
3361                         /* We ARE guest if global_sid_Builtin_Guests is
3362                          * in our list of SIDs.
3363                          */
3364                         if (nt_token_check_sid(&global_sid_Builtin_Guests,
3365                                                conn->session_info->security_token)) {
3366                                 flags |= SMB_WHOAMI_GUEST;
3367                         }
3368
3369                         /* We are NOT guest if global_sid_Authenticated_Users
3370                          * is in our list of SIDs.
3371                          */
3372                         if (nt_token_check_sid(&global_sid_Authenticated_Users,
3373                                                conn->session_info->security_token)) {
3374                                 flags &= ~SMB_WHOAMI_GUEST;
3375                         }
3376
3377                         /* NOTE: 8 bytes for UID/GID, irrespective of native
3378                          * platform size. This matches
3379                          * SMB_QUERY_FILE_UNIX_BASIC and friends.
3380                          */
3381                         data_len = 4 /* flags */
3382                             + 4 /* flag mask */
3383                             + 8 /* uid */
3384                             + 8 /* gid */
3385                             + 4 /* ngroups */
3386                             + 4 /* num_sids */
3387                             + 4 /* SID bytes */
3388                             + 4 /* pad/reserved */
3389                             + (conn->session_info->utok.ngroups * 8)
3390                                 /* groups list */
3391                             + (conn->session_info->security_token->num_sids *
3392                                     SID_MAX_SIZE)
3393                                 /* SID list */;
3394
3395                         SIVAL(pdata, 0, flags);
3396                         SIVAL(pdata, 4, SMB_WHOAMI_MASK);
3397                         SBIG_UINT(pdata, 8,
3398                                   (uint64_t)conn->session_info->utok.uid);
3399                         SBIG_UINT(pdata, 16,
3400                                   (uint64_t)conn->session_info->utok.gid);
3401
3402
3403                         if (data_len >= max_data_bytes) {
3404                                 /* Potential overflow, skip the GIDs and SIDs. */
3405
3406                                 SIVAL(pdata, 24, 0); /* num_groups */
3407                                 SIVAL(pdata, 28, 0); /* num_sids */
3408                                 SIVAL(pdata, 32, 0); /* num_sid_bytes */
3409                                 SIVAL(pdata, 36, 0); /* reserved */
3410
3411                                 data_len = 40;
3412                                 break;
3413                         }
3414
3415                         SIVAL(pdata, 24, conn->session_info->utok.ngroups);
3416                         SIVAL(pdata, 28, conn->session_info->security_token->num_sids);
3417
3418                         /* We walk the SID list twice, but this call is fairly
3419                          * infrequent, and I don't expect that it's performance
3420                          * sensitive -- jpeach
3421                          */
3422                         for (i = 0, sid_bytes = 0;
3423                              i < conn->session_info->security_token->num_sids; ++i) {
3424                                 sid_bytes += ndr_size_dom_sid(
3425                                         &conn->session_info->security_token->sids[i],
3426                                         0);
3427                         }
3428
3429                         /* SID list byte count */
3430                         SIVAL(pdata, 32, sid_bytes);
3431
3432                         /* 4 bytes pad/reserved - must be zero */
3433                         SIVAL(pdata, 36, 0);
3434                         data_len = 40;
3435
3436                         /* GID list */
3437                         for (i = 0; i < conn->session_info->utok.ngroups; ++i) {
3438                                 SBIG_UINT(pdata, data_len,
3439                                           (uint64_t)conn->session_info->utok.groups[i]);
3440                                 data_len += 8;
3441                         }
3442
3443                         /* SID list */
3444                         for (i = 0;
3445                             i < conn->session_info->security_token->num_sids; ++i) {
3446                                 int sid_len = ndr_size_dom_sid(
3447                                         &conn->session_info->security_token->sids[i],
3448                                         0);
3449
3450                                 sid_linearize(pdata + data_len, sid_len,
3451                                     &conn->session_info->security_token->sids[i]);
3452                                 data_len += sid_len;
3453                         }
3454
3455                         break;
3456                 }
3457
3458                 case SMB_MAC_QUERY_FS_INFO:
3459                         /*
3460                          * Thursby MAC extension... ONLY on NTFS filesystems
3461                          * once we do streams then we don't need this
3462                          */
3463                         if (strequal(lp_fstype(SNUM(conn)),"NTFS")) {
3464                                 data_len = 88;
3465                                 SIVAL(pdata,84,0x100); /* Don't support mac... */
3466                                 break;
3467                         }
3468                         /* drop through */
3469                 default:
3470                         return NT_STATUS_INVALID_LEVEL;
3471         }
3472
3473         *ret_data_len = data_len;
3474         return NT_STATUS_OK;
3475 }
3476
3477 /****************************************************************************
3478  Reply to a TRANS2_QFSINFO (query filesystem info).
3479 ****************************************************************************/
3480
3481 static void call_trans2qfsinfo(connection_struct *conn,
3482                                struct smb_request *req,
3483                                char **pparams, int total_params,
3484                                char **ppdata, int total_data,
3485                                unsigned int max_data_bytes)
3486 {
3487         char *params = *pparams;
3488         uint16_t info_level;
3489         int data_len = 0;
3490         NTSTATUS status;
3491
3492         if (total_params < 2) {
3493                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3494                 return;
3495         }
3496
3497         info_level = SVAL(params,0);
3498
3499         if (ENCRYPTION_REQUIRED(conn) && !req->encrypted) {
3500                 if (info_level != SMB_QUERY_CIFS_UNIX_INFO) {
3501                         DEBUG(0,("call_trans2qfsinfo: encryption required "
3502                                 "and info level 0x%x sent.\n",
3503                                 (unsigned int)info_level));
3504                         exit_server_cleanly("encryption required "
3505                                 "on connection");
3506                         return;
3507                 }
3508         }
3509
3510         DEBUG(3,("call_trans2qfsinfo: level = %d\n", info_level));
3511
3512         status = smbd_do_qfsinfo(conn, req,
3513                                  info_level,
3514                                  req->flags2,
3515                                  max_data_bytes,
3516                                  ppdata, &data_len);
3517         if (!NT_STATUS_IS_OK(status)) {
3518                 reply_nterror(req, status);
3519                 return;
3520         }
3521
3522         send_trans2_replies(conn, req, params, 0, *ppdata, data_len,
3523                             max_data_bytes);
3524
3525         DEBUG( 4, ( "%s info_level = %d\n",
3526                     smb_fn_name(req->cmd), info_level) );
3527
3528         return;
3529 }
3530
3531 /****************************************************************************
3532  Reply to a TRANS2_SETFSINFO (set filesystem info).
3533 ****************************************************************************/
3534
3535 static void call_trans2setfsinfo(connection_struct *conn,
3536                                  struct smb_request *req,
3537                                  char **pparams, int total_params,
3538                                  char **ppdata, int total_data,
3539                                  unsigned int max_data_bytes)
3540 {
3541         char *pdata = *ppdata;
3542         char *params = *pparams;
3543         uint16 info_level;
3544
3545         DEBUG(10,("call_trans2setfsinfo: for service [%s]\n",lp_servicename(SNUM(conn))));
3546
3547         /*  */
3548         if (total_params < 4) {
3549                 DEBUG(0,("call_trans2setfsinfo: requires total_params(%d) >= 4 bytes!\n",
3550                         total_params));
3551                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3552                 return;
3553         }
3554
3555         info_level = SVAL(params,2);
3556
3557         if (IS_IPC(conn)) {
3558                 if (info_level != SMB_REQUEST_TRANSPORT_ENCRYPTION &&
3559                                 info_level != SMB_SET_CIFS_UNIX_INFO) {
3560                         DEBUG(0,("call_trans2setfsinfo: not an allowed "
3561                                 "info level (0x%x) on IPC$.\n",
3562                                 (unsigned int)info_level));
3563                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3564                         return;
3565                 }
3566         }
3567
3568         if (ENCRYPTION_REQUIRED(conn) && !req->encrypted) {
3569                 if (info_level != SMB_REQUEST_TRANSPORT_ENCRYPTION) {
3570                         DEBUG(0,("call_trans2setfsinfo: encryption required "
3571                                 "and info level 0x%x sent.\n",
3572                                 (unsigned int)info_level));
3573                         exit_server_cleanly("encryption required "
3574                                 "on connection");
3575                         return;
3576                 }
3577         }
3578
3579         switch(info_level) {
3580                 case SMB_SET_CIFS_UNIX_INFO:
3581                         {
3582                                 uint16 client_unix_major;
3583                                 uint16 client_unix_minor;
3584                                 uint32 client_unix_cap_low;
3585                                 uint32 client_unix_cap_high;
3586
3587                                 if (!lp_unix_extensions()) {
3588                                         reply_nterror(req,
3589                                                       NT_STATUS_INVALID_LEVEL);
3590                                         return;
3591                                 }
3592
3593                                 /* There should be 12 bytes of capabilities set. */
3594                                 if (total_data < 8) {
3595                                         reply_nterror(
3596                                                 req,
3597                                                 NT_STATUS_INVALID_PARAMETER);
3598                                         return;
3599                                 }
3600                                 client_unix_major = SVAL(pdata,0);
3601                                 client_unix_minor = SVAL(pdata,2);
3602                                 client_unix_cap_low = IVAL(pdata,4);
3603                                 client_unix_cap_high = IVAL(pdata,8);
3604                                 /* Just print these values for now. */
3605                                 DEBUG(10,("call_trans2setfsinfo: set unix info. major = %u, minor = %u \
3606 cap_low = 0x%x, cap_high = 0x%x\n",
3607                                         (unsigned int)client_unix_major,
3608                                         (unsigned int)client_unix_minor,
3609                                         (unsigned int)client_unix_cap_low,
3610                                         (unsigned int)client_unix_cap_high ));
3611
3612                                 /* Here is where we must switch to posix pathname processing... */
3613                                 if (client_unix_cap_low & CIFS_UNIX_POSIX_PATHNAMES_CAP) {
3614                                         lp_set_posix_pathnames();
3615                                         mangle_change_to_posix();
3616                                 }
3617
3618                                 if ((client_unix_cap_low & CIFS_UNIX_FCNTL_LOCKS_CAP) &&
3619                                     !(client_unix_cap_low & CIFS_UNIX_POSIX_PATH_OPERATIONS_CAP)) {
3620                                         /* Client that knows how to do posix locks,
3621                                          * but not posix open/mkdir operations. Set a
3622                                          * default type for read/write checks. */
3623
3624                                         lp_set_posix_default_cifsx_readwrite_locktype(POSIX_LOCK);
3625
3626                                 }
3627                                 break;
3628                         }
3629
3630                 case SMB_REQUEST_TRANSPORT_ENCRYPTION:
3631                         {
3632                                 NTSTATUS status;
3633                                 size_t param_len = 0;
3634                                 size_t data_len = total_data;
3635
3636                                 if (!lp_unix_extensions()) {
3637                                         reply_nterror(
3638                                                 req,
3639                                                 NT_STATUS_INVALID_LEVEL);
3640                                         return;
3641                                 }
3642
3643                                 if (lp_smb_encrypt(SNUM(conn)) == false) {
3644                                         reply_nterror(
3645                                                 req,
3646                                                 NT_STATUS_NOT_SUPPORTED);
3647                                         return;
3648                                 }
3649
3650                                 if (req->sconn->smb1.echo_handler.trusted_fde) {
3651                                         DEBUG( 2,("call_trans2setfsinfo: "
3652                                                 "request transport encryption disabled"
3653                                                 "with 'fork echo handler = yes'\n"));
3654                                         reply_nterror(
3655                                                 req,
3656                                                 NT_STATUS_NOT_SUPPORTED);
3657                                         return;
3658                                 }
3659
3660                                 DEBUG( 4,("call_trans2setfsinfo: "
3661                                         "request transport encryption.\n"));
3662
3663                                 status = srv_request_encryption_setup(conn,
3664                                                                 (unsigned char **)ppdata,
3665                                                                 &data_len,
3666                                                                 (unsigned char **)pparams,
3667                                                                 &param_len);
3668
3669                                 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) &&
3670                                                 !NT_STATUS_IS_OK(status)) {
3671                                         reply_nterror(req, status);
3672                                         return;
3673                                 }
3674
3675                                 send_trans2_replies(conn, req,
3676                                                 *pparams,
3677                                                 param_len,
3678                                                 *ppdata,
3679                                                 data_len,
3680                                                 max_data_bytes);
3681
3682                                 if (NT_STATUS_IS_OK(status)) {
3683                                         /* Server-side transport
3684                                          * encryption is now *on*. */
3685                                         status = srv_encryption_start(conn);
3686                                         if (!NT_STATUS_IS_OK(status)) {
3687                                                 exit_server_cleanly(
3688                                                         "Failure in setting "
3689                                                         "up encrypted transport");
3690                                         }
3691                                 }
3692                                 return;
3693                         }
3694
3695                 case SMB_FS_QUOTA_INFORMATION:
3696                         {
3697                                 files_struct *fsp = NULL;
3698                                 SMB_NTQUOTA_STRUCT quotas;
3699
3700                                 ZERO_STRUCT(quotas);
3701
3702                                 /* access check */
3703                                 if ((get_current_uid(conn) != 0) || !CAN_WRITE(conn)) {
3704                                         DEBUG(0,("set_user_quota: access_denied service [%s] user [%s]\n",
3705                                                  lp_servicename(SNUM(conn)),
3706                                                  conn->session_info->unix_name));
3707                                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3708                                         return;
3709                                 }
3710
3711                                 /* note: normaly there're 48 bytes,
3712                                  * but we didn't use the last 6 bytes for now
3713                                  * --metze
3714                                  */
3715                                 fsp = file_fsp(req, SVAL(params,0));
3716
3717                                 if (!check_fsp_ntquota_handle(conn, req,
3718                                                               fsp)) {
3719                                         DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
3720                                         reply_nterror(
3721                                                 req, NT_STATUS_INVALID_HANDLE);
3722                                         return;
3723                                 }
3724
3725                                 if (total_data < 42) {
3726                                         DEBUG(0,("call_trans2setfsinfo: SET_FS_QUOTA: requires total_data(%d) >= 42 bytes!\n",
3727                                                 total_data));
3728                                         reply_nterror(
3729                                                 req,
3730                                                 NT_STATUS_INVALID_PARAMETER);
3731                                         return;
3732                                 }
3733
3734                                 /* unknown_1 24 NULL bytes in pdata*/
3735
3736                                 /* the soft quotas 8 bytes (uint64_t)*/
3737                                 quotas.softlim = BVAL(pdata,24);
3738
3739                                 /* the hard quotas 8 bytes (uint64_t)*/
3740                                 quotas.hardlim = BVAL(pdata,32);
3741
3742                                 /* quota_flags 2 bytes **/
3743                                 quotas.qflags = SVAL(pdata,40);
3744
3745                                 /* unknown_2 6 NULL bytes follow*/
3746
3747                                 /* now set the quotas */
3748                                 if (vfs_set_ntquota(fsp, SMB_USER_FS_QUOTA_TYPE, NULL, &quotas)!=0) {
3749                                         DEBUG(0,("vfs_set_ntquota() failed for service [%s]\n",lp_servicename(SNUM(conn))));
3750                                         reply_nterror(req, map_nt_error_from_unix(errno));
3751                                         return;
3752                                 }
3753
3754                                 break;
3755                         }
3756                 default:
3757                         DEBUG(3,("call_trans2setfsinfo: unknown level (0x%X) not implemented yet.\n",
3758                                 info_level));
3759                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3760                         return;
3761                         break;
3762         }
3763
3764         /*
3765          * sending this reply works fine,
3766          * but I'm not sure it's the same
3767          * like windows do...
3768          * --metze
3769          */
3770         reply_outbuf(req, 10, 0);
3771 }
3772
3773 #if defined(HAVE_POSIX_ACLS)
3774 /****************************************************************************
3775  Utility function to count the number of entries in a POSIX acl.
3776 ****************************************************************************/
3777
3778 static unsigned int count_acl_entries(connection_struct *conn, SMB_ACL_T posix_acl)
3779 {
3780         unsigned int ace_count = 0;
3781         int entry_id = SMB_ACL_FIRST_ENTRY;
3782         SMB_ACL_ENTRY_T entry;
3783
3784         while ( posix_acl && (SMB_VFS_SYS_ACL_GET_ENTRY(conn, posix_acl, entry_id, &entry) == 1)) {
3785                 /* get_next... */
3786                 if (entry_id == SMB_ACL_FIRST_ENTRY) {
3787                         entry_id = SMB_ACL_NEXT_ENTRY;
3788                 }
3789                 ace_count++;
3790         }
3791         return ace_count;
3792 }
3793
3794 /****************************************************************************
3795  Utility function to marshall a POSIX acl into wire format.
3796 ****************************************************************************/
3797
3798 static bool marshall_posix_acl(connection_struct *conn, char *pdata, SMB_STRUCT_STAT *pst, SMB_ACL_T posix_acl)
3799 {
3800         int entry_id = SMB_ACL_FIRST_ENTRY;
3801         SMB_ACL_ENTRY_T entry;
3802
3803         while ( posix_acl && (SMB_VFS_SYS_ACL_GET_ENTRY(conn, posix_acl, entry_id, &entry) == 1)) {
3804                 SMB_ACL_TAG_T tagtype;
3805                 SMB_ACL_PERMSET_T permset;
3806                 unsigned char perms = 0;
3807                 unsigned int own_grp;
3808
3809                 /* get_next... */
3810                 if (entry_id == SMB_ACL_FIRST_ENTRY) {
3811                         entry_id = SMB_ACL_NEXT_ENTRY;
3812                 }
3813
3814                 if (SMB_VFS_SYS_ACL_GET_TAG_TYPE(conn, entry, &tagtype) == -1) {
3815                         DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_TAG_TYPE failed.\n"));
3816                         return False;
3817                 }
3818
3819                 if (SMB_VFS_SYS_ACL_GET_PERMSET(conn, entry, &permset) == -1) {
3820                         DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_PERMSET failed.\n"));
3821                         return False;
3822                 }
3823
3824                 perms |= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_READ) ? SMB_POSIX_ACL_READ : 0);
3825                 perms |= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_WRITE) ? SMB_POSIX_ACL_WRITE : 0);
3826                 perms |= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_EXECUTE) ? SMB_POSIX_ACL_EXECUTE : 0);
3827
3828                 SCVAL(pdata,1,perms);
3829
3830                 switch (tagtype) {
3831                         case SMB_ACL_USER_OBJ:
3832                                 SCVAL(pdata,0,SMB_POSIX_ACL_USER_OBJ);
3833                                 own_grp = (unsigned int)pst->st_ex_uid;
3834                                 SIVAL(pdata,2,own_grp);
3835                                 SIVAL(pdata,6,0);
3836                                 break;
3837                         case SMB_ACL_USER:
3838                                 {
3839                                         uid_t *puid = (uid_t *)SMB_VFS_SYS_ACL_GET_QUALIFIER(conn, entry);
3840                                         if (!puid) {
3841                                                 DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_QUALIFIER failed.\n"));
3842                                                 return False;
3843                                         }
3844                                         own_grp = (unsigned int)*puid;
3845                                         SMB_VFS_SYS_ACL_FREE_QUALIFIER(conn, (void *)puid,tagtype);
3846                                         SCVAL(pdata,0,SMB_POSIX_ACL_USER);
3847                                         SIVAL(pdata,2,own_grp);
3848                                         SIVAL(pdata,6,0);
3849                                         break;
3850                                 }
3851                         case SMB_ACL_GROUP_OBJ:
3852                                 SCVAL(pdata,0,SMB_POSIX_ACL_GROUP_OBJ);
3853                                 own_grp = (unsigned int)pst->st_ex_gid;
3854                                 SIVAL(pdata,2,own_grp);
3855                                 SIVAL(pdata,6,0);
3856                                 break;
3857                         case SMB_ACL_GROUP:
3858                                 {
3859                                         gid_t *pgid= (gid_t *)SMB_VFS_SYS_ACL_GET_QUALIFIER(conn, entry);
3860                                         if (!pgid) {
3861                                                 DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_QUALIFIER failed.\n"));
3862                                                 return False;
3863                                         }
3864                                         own_grp = (unsigned int)*pgid;
3865                                         SMB_VFS_SYS_ACL_FREE_QUALIFIER(conn, (void *)pgid,tagtype);
3866                                         SCVAL(pdata,0,SMB_POSIX_ACL_GROUP);
3867                                         SIVAL(pdata,2,own_grp);
3868                                         SIVAL(pdata,6,0);
3869                                         break;
3870                                 }
3871                         case SMB_ACL_MASK:
3872                                 SCVAL(pdata,0,SMB_POSIX_ACL_MASK);
3873                                 SIVAL(pdata,2,0xFFFFFFFF);
3874                                 SIVAL(pdata,6,0xFFFFFFFF);
3875                                 break;
3876                         case SMB_ACL_OTHER:
3877                                 SCVAL(pdata,0,SMB_POSIX_ACL_OTHER);
3878                                 SIVAL(pdata,2,0xFFFFFFFF);
3879                                 SIVAL(pdata,6,0xFFFFFFFF);
3880                                 break;
3881                         default:
3882                                 DEBUG(0,("marshall_posix_acl: unknown tagtype.\n"));
3883                                 return False;
3884                 }
3885                 pdata += SMB_POSIX_ACL_ENTRY_SIZE;
3886         }
3887
3888         return True;
3889 }
3890 #endif
3891
3892 /****************************************************************************
3893  Store the FILE_UNIX_BASIC info.
3894 ****************************************************************************/
3895
3896 static char *store_file_unix_basic(connection_struct *conn,
3897                                 char *pdata,
3898                                 files_struct *fsp,
3899                                 const SMB_STRUCT_STAT *psbuf)
3900 {
3901         uint64_t file_index = get_FileIndex(conn, psbuf);
3902
3903         DEBUG(10,("store_file_unix_basic: SMB_QUERY_FILE_UNIX_BASIC\n"));
3904         DEBUG(4,("store_file_unix_basic: st_mode=%o\n",(int)psbuf->st_ex_mode));
3905
3906         SOFF_T(pdata,0,get_file_size_stat(psbuf));             /* File size 64 Bit */
3907         pdata += 8;
3908
3909         SOFF_T(pdata,0,SMB_VFS_GET_ALLOC_SIZE(conn,fsp,psbuf)); /* Number of bytes used on disk - 64 Bit */
3910         pdata += 8;
3911
3912         put_long_date_timespec(TIMESTAMP_SET_NT_OR_BETTER, pdata, psbuf->st_ex_ctime);       /* Change Time 64 Bit */
3913         put_long_date_timespec(TIMESTAMP_SET_NT_OR_BETTER ,pdata+8, psbuf->st_ex_atime);     /* Last access time 64 Bit */
3914         put_long_date_timespec(TIMESTAMP_SET_NT_OR_BETTER, pdata+16, psbuf->st_ex_mtime);    /* Last modification time 64 Bit */
3915         pdata += 24;
3916
3917         SIVAL(pdata,0,psbuf->st_ex_uid);               /* user id for the owner */
3918         SIVAL(pdata,4,0);
3919         pdata += 8;
3920
3921         SIVAL(pdata,0,psbuf->st_ex_gid);               /* group id of owner */
3922         SIVAL(pdata,4,0);
3923         pdata += 8;
3924
3925         SIVAL(pdata,0,unix_filetype(psbuf->st_ex_mode));
3926         pdata += 4;
3927
3928         SIVAL(pdata,0,unix_dev_major(psbuf->st_ex_rdev));   /* Major device number if type is device */
3929         SIVAL(pdata,4,0);
3930         pdata += 8;
3931
3932         SIVAL(pdata,0,unix_dev_minor(psbuf->st_ex_rdev));   /* Minor device number if type is device */
3933         SIVAL(pdata,4,0);
3934         pdata += 8;
3935
3936         SINO_T_VAL(pdata,0,(SMB_INO_T)file_index);   /* inode number */
3937         pdata += 8;
3938
3939         SIVAL(pdata,0, unix_perms_to_wire(psbuf->st_ex_mode));     /* Standard UNIX file permissions */
3940         SIVAL(pdata,4,0);
3941         pdata += 8;
3942
3943         SIVAL(pdata,0,psbuf->st_ex_nlink);             /* number of hard links */
3944         SIVAL(pdata,4,0);
3945         pdata += 8;
3946
3947         return pdata;
3948 }
3949
3950 /* Forward and reverse mappings from the UNIX_INFO2 file flags field and
3951  * the chflags(2) (or equivalent) flags.
3952  *
3953  * XXX: this really should be behind the VFS interface. To do this, we would
3954  * need to alter SMB_STRUCT_STAT so that it included a flags and a mask field.
3955  * Each VFS module could then implement its own mapping as appropriate for the
3956  * platform. We would then pass the SMB flags into SMB_VFS_CHFLAGS.
3957  */
3958 static const struct {unsigned stat_fflag; unsigned smb_fflag;}
3959         info2_flags_map[] =
3960 {
3961 #ifdef UF_NODUMP
3962     { UF_NODUMP, EXT_DO_NOT_BACKUP },
3963 #endif
3964
3965 #ifdef UF_IMMUTABLE
3966     { UF_IMMUTABLE, EXT_IMMUTABLE },
3967 #endif
3968
3969 #ifdef UF_APPEND
3970     { UF_APPEND, EXT_OPEN_APPEND_ONLY },
3971 #endif
3972
3973 #ifdef UF_HIDDEN
3974     { UF_HIDDEN, EXT_HIDDEN },
3975 #endif
3976
3977     /* Do not remove. We need to guarantee that this array has at least one
3978      * entry to build on HP-UX.
3979      */
3980     { 0, 0 }
3981
3982 };
3983
3984 static void map_info2_flags_from_sbuf(const SMB_STRUCT_STAT *psbuf,
3985                                 uint32 *smb_fflags, uint32 *smb_fmask)
3986 {
3987         int i;
3988
3989         for (i = 0; i < ARRAY_SIZE(info2_flags_map); ++i) {
3990             *smb_fmask |= info2_flags_map[i].smb_fflag;
3991             if (psbuf->st_ex_flags & info2_flags_map[i].stat_fflag) {
3992                     *smb_fflags |= info2_flags_map[i].smb_fflag;
3993             }
3994         }
3995 }
3996
3997 static bool map_info2_flags_to_sbuf(const SMB_STRUCT_STAT *psbuf,
3998                                 const uint32 smb_fflags,
3999                                 const uint32 smb_fmask,
4000                                 int *stat_fflags)
4001 {
4002         uint32 max_fmask = 0;
4003         int i;
4004
4005         *stat_fflags = psbuf->st_ex_flags;
4006
4007         /* For each flags requested in smb_fmask, check the state of the
4008          * corresponding flag in smb_fflags and set or clear the matching
4009          * stat flag.
4010          */
4011
4012         for (i = 0; i < ARRAY_SIZE(info2_flags_map); ++i) {
4013             max_fmask |= info2_flags_map[i].smb_fflag;
4014             if (smb_fmask & info2_flags_map[i].smb_fflag) {
4015                     if (smb_fflags & info2_flags_map[i].smb_fflag) {
4016                             *stat_fflags |= info2_flags_map[i].stat_fflag;
4017                     } else {
4018                             *stat_fflags &= ~info2_flags_map[i].stat_fflag;
4019                     }
4020             }
4021         }
4022
4023         /* If smb_fmask is asking to set any bits that are not supported by
4024          * our flag mappings, we should fail.
4025          */
4026         if ((smb_fmask & max_fmask) != smb_fmask) {
4027                 return False;
4028         }
4029
4030         return True;
4031 }
4032
4033
4034 /* Just like SMB_QUERY_FILE_UNIX_BASIC, but with the addition
4035  * of file flags and birth (create) time.
4036  */
4037 static char *store_file_unix_basic_info2(connection_struct *conn,
4038                                 char *pdata,
4039                                 files_struct *fsp,
4040                                 const SMB_STRUCT_STAT *psbuf)
4041 {
4042         uint32 file_flags = 0;
4043         uint32 flags_mask = 0;
4044
4045         pdata = store_file_unix_basic(conn, pdata, fsp, psbuf);
4046
4047         /* Create (birth) time 64 bit */
4048         put_long_date_timespec(TIMESTAMP_SET_NT_OR_BETTER,pdata, psbuf->st_ex_btime);
4049         pdata += 8;
4050
4051         map_info2_flags_from_sbuf(psbuf, &file_flags, &flags_mask);
4052         SIVAL(pdata, 0, file_flags); /* flags */
4053         SIVAL(pdata, 4, flags_mask); /* mask */
4054         pdata += 8;
4055
4056         return pdata;
4057 }
4058
4059 static NTSTATUS marshall_stream_info(unsigned int num_streams,
4060                                      const struct stream_struct *streams,
4061                                      char *data,
4062                                      unsigned int max_data_bytes,
4063                                      unsigned int *data_size)
4064 {
4065         unsigned int i;
4066         unsigned int ofs = 0;
4067
4068         for (i = 0; i < num_streams && ofs <= max_data_bytes; i++) {
4069                 unsigned int next_offset;
4070                 size_t namelen;
4071                 smb_ucs2_t *namebuf;
4072
4073                 if (!push_ucs2_talloc(talloc_tos(), &namebuf,
4074                                       streams[i].name, &namelen) ||
4075                     namelen <= 2)
4076                 {
4077                         return NT_STATUS_INVALID_PARAMETER;
4078                 }
4079
4080                 /*
4081                  * name_buf is now null-terminated, we need to marshall as not
4082                  * terminated
4083                  */
4084
4085                 namelen -= 2;
4086
4087                 SIVAL(data, ofs+4, namelen);
4088                 SOFF_T(data, ofs+8, streams[i].size);
4089                 SOFF_T(data, ofs+16, streams[i].alloc_size);
4090                 memcpy(data+ofs+24, namebuf, namelen);
4091                 TALLOC_FREE(namebuf);
4092
4093                 next_offset = ofs + 24 + namelen;
4094
4095                 if (i == num_streams-1) {
4096                         SIVAL(data, ofs, 0);
4097                 }
4098                 else {
4099                         unsigned int align = ndr_align_size(next_offset, 8);
4100
4101                         memset(data+next_offset, 0, align);
4102                         next_offset += align;
4103
4104                         SIVAL(data, ofs, next_offset - ofs);
4105                         ofs = next_offset;
4106                 }
4107
4108                 ofs = next_offset;
4109         }
4110
4111         *data_size = ofs;
4112
4113         return NT_STATUS_OK;
4114 }
4115
4116 /****************************************************************************
4117  Reply to a TRANSACT2_QFILEINFO on a PIPE !
4118 ****************************************************************************/
4119
4120 static void call_trans2qpipeinfo(connection_struct *conn,
4121                                  struct smb_request *req,
4122                                  unsigned int tran_call,
4123                                  char **pparams, int total_params,
4124                                  char **ppdata, int total_data,
4125                                  unsigned int max_data_bytes)
4126 {
4127         char *params = *pparams;
4128         char *pdata = *ppdata;
4129         unsigned int data_size = 0;
4130         unsigned int param_size = 2;
4131         uint16 info_level;
4132         files_struct *fsp;
4133
4134         if (!params) {
4135                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4136                 return;
4137         }
4138
4139         if (total_params < 4) {
4140                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4141                 return;
4142         }
4143
4144         fsp = file_fsp(req, SVAL(params,0));
4145         if (!fsp_is_np(fsp)) {
4146                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
4147                 return;
4148         }
4149
4150         info_level = SVAL(params,2);
4151
4152         *pparams = (char *)SMB_REALLOC(*pparams,2);
4153         if (*pparams == NULL) {
4154                 reply_nterror(req, NT_STATUS_NO_MEMORY);
4155                 return;
4156         }
4157         params = *pparams;
4158         SSVAL(params,0,0);
4159         data_size = max_data_bytes + DIR_ENTRY_SAFETY_MARGIN;
4160         *ppdata = (char *)SMB_REALLOC(*ppdata, data_size);
4161         if (*ppdata == NULL ) {
4162                 reply_nterror(req, NT_STATUS_NO_MEMORY);
4163                 return;
4164         }
4165         pdata = *ppdata;
4166
4167         switch (info_level) {
4168                 case SMB_FILE_STANDARD_INFORMATION:
4169                         memset(pdata,0,24);
4170                         SOFF_T(pdata,0,4096LL);
4171                         SIVAL(pdata,16,1);
4172                         SIVAL(pdata,20,1);
4173                         data_size = 24;
4174                         break;
4175
4176                 default:
4177                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
4178                         return;
4179         }
4180
4181         send_trans2_replies(conn, req, params, param_size, *ppdata, data_size,
4182                             max_data_bytes);
4183
4184         return;
4185 }
4186
4187 NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
4188                                TALLOC_CTX *mem_ctx,
4189                                uint16_t info_level,
4190                                files_struct *fsp,
4191                                struct smb_filename *smb_fname,
4192                                bool delete_pending,
4193                                struct timespec write_time_ts,
4194                                struct ea_list *ea_list,
4195                                int lock_data_count,
4196                                char *lock_data,
4197                                uint16_t flags2,
4198                                unsigned int max_data_bytes,
4199                                char **ppdata,
4200                                unsigned int *pdata_size)
4201 {
4202         char *pdata = *ppdata;
4203         char *dstart, *dend;
4204         unsigned int data_size;
4205         struct timespec create_time_ts, mtime_ts, atime_ts, ctime_ts;
4206         time_t create_time, mtime, atime, c_time;
4207         SMB_STRUCT_STAT *psbuf = &smb_fname->st;
4208         char *p;
4209         char *base_name;
4210         char *dos_fname;
4211         int mode;
4212         int nlink;
4213         NTSTATUS status;
4214         uint64_t file_size = 0;
4215         uint64_t pos = 0;
4216         uint64_t allocation_size = 0;
4217         uint64_t file_index = 0;
4218         uint32_t access_mask = 0;
4219
4220         if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
4221                 return NT_STATUS_INVALID_LEVEL;
4222         }
4223
4224         DEBUG(5,("smbd_do_qfilepathinfo: %s (fnum = %d) level=%d max_data=%u\n",
4225                  smb_fname_str_dbg(smb_fname), fsp ? fsp->fnum : -1,
4226                  info_level, max_data_bytes));
4227
4228         mode = dos_mode(conn, smb_fname);
4229         nlink = psbuf->st_ex_nlink;
4230
4231         if (nlink && (mode&FILE_ATTRIBUTE_DIRECTORY)) {
4232                 nlink = 1;
4233         }
4234
4235         if ((nlink > 0) && delete_pending) {
4236                 nlink -= 1;
4237         }
4238
4239         data_size = max_data_bytes + DIR_ENTRY_SAFETY_MARGIN;
4240         *ppdata = (char *)SMB_REALLOC(*ppdata, data_size);
4241         if (*ppdata == NULL) {
4242                 return NT_STATUS_NO_MEMORY;
4243         }
4244         pdata = *ppdata;
4245         dstart = pdata;
4246         dend = dstart + data_size - 1;
4247
4248         if (!null_timespec(write_time_ts) && !INFO_LEVEL_IS_UNIX(info_level)) {
4249                 update_stat_ex_mtime(psbuf, write_time_ts);
4250         }
4251
4252         create_time_ts = get_create_timespec(conn, fsp, smb_fname);
4253         mtime_ts = psbuf->st_ex_mtime;
4254         atime_ts = psbuf->st_ex_atime;
4255         ctime_ts = get_change_timespec(conn, fsp, smb_fname);
4256
4257         if (lp_dos_filetime_resolution(SNUM(conn))) {
4258                 dos_filetime_timespec(&create_time_ts);
4259                 dos_filetime_timespec(&mtime_ts);
4260                 dos_filetime_timespec(&atime_ts);
4261                 dos_filetime_timespec(&ctime_ts);
4262         }
4263
4264         create_time = convert_timespec_to_time_t(create_time_ts);
4265         mtime = convert_timespec_to_time_t(mtime_ts);
4266         atime = convert_timespec_to_time_t(atime_ts);
4267         c_time = convert_timespec_to_time_t(ctime_ts);
4268
4269         p = strrchr_m(smb_fname->base_name,'/');
4270         if (!p)
4271                 base_name = smb_fname->base_name;
4272         else
4273                 base_name = p+1;
4274
4275         /* NT expects the name to be in an exact form of the *full*
4276            filename. See the trans2 torture test */
4277         if (ISDOT(base_name)) {
4278                 dos_fname = talloc_strdup(mem_ctx, "\\");
4279                 if (!dos_fname) {
4280                         return NT_STATUS_NO_MEMORY;
4281                 }
4282         } else {
4283                 dos_fname = talloc_asprintf(mem_ctx,
4284                                 "\\%s",
4285                                 smb_fname->base_name);
4286                 if (!dos_fname) {
4287                         return NT_STATUS_NO_MEMORY;
4288                 }
4289                 if (is_ntfs_stream_smb_fname(smb_fname)) {
4290                         dos_fname = talloc_asprintf(dos_fname, "%s",
4291                                                     smb_fname->stream_name);
4292                         if (!dos_fname) {
4293                                 return NT_STATUS_NO_MEMORY;
4294                         }
4295                 }
4296
4297                 string_replace(dos_fname, '/', '\\');
4298         }
4299
4300         allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn, fsp, psbuf);
4301
4302         if (!fsp) {
4303                 /* Do we have this path open ? */
4304                 files_struct *fsp1;
4305                 struct file_id fileid = vfs_file_id_from_sbuf(conn, psbuf);
4306                 fsp1 = file_find_di_first(conn->sconn, fileid);
4307                 if (fsp1 && fsp1->initial_allocation_size) {
4308                         allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn, fsp1, psbuf);
4309                 }
4310         }
4311
4312         if (!(mode & FILE_ATTRIBUTE_DIRECTORY)) {
4313                 file_size = get_file_size_stat(psbuf);
4314         }
4315
4316         if (fsp) {
4317                 pos = fsp->fh->position_information;
4318         }
4319
4320         if (fsp) {
4321                 access_mask = fsp->access_mask;
4322         } else {
4323                 /* GENERIC_EXECUTE mapping from Windows */
4324                 access_mask = 0x12019F;
4325         }
4326
4327         /* This should be an index number - looks like
4328            dev/ino to me :-)
4329
4330            I think this causes us to fail the IFSKIT
4331            BasicFileInformationTest. -tpot */
4332         file_index = get_FileIndex(conn, psbuf);
4333
4334         switch (info_level) {
4335                 case SMB_INFO_STANDARD:
4336                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_STANDARD\n"));
4337                         data_size = 22;
4338                         srv_put_dos_date2(pdata,l1_fdateCreation,create_time);
4339                         srv_put_dos_date2(pdata,l1_fdateLastAccess,atime);
4340                         srv_put_dos_date2(pdata,l1_fdateLastWrite,mtime); /* write time */
4341                         SIVAL(pdata,l1_cbFile,(uint32)file_size);
4342                         SIVAL(pdata,l1_cbFileAlloc,(uint32)allocation_size);
4343                         SSVAL(pdata,l1_attrFile,mode);
4344                         break;
4345
4346                 case SMB_INFO_QUERY_EA_SIZE:
4347                 {
4348                         unsigned int ea_size =
4349                             estimate_ea_size(conn, fsp,
4350                                              smb_fname->base_name);
4351                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_QUERY_EA_SIZE\n"));
4352                         data_size = 26;
4353                         srv_put_dos_date2(pdata,0,create_time);
4354                         srv_put_dos_date2(pdata,4,atime);
4355                         srv_put_dos_date2(pdata,8,mtime); /* write time */
4356                         SIVAL(pdata,12,(uint32)file_size);
4357                         SIVAL(pdata,16,(uint32)allocation_size);
4358                         SSVAL(pdata,20,mode);
4359                         SIVAL(pdata,22,ea_size);
4360                         break;
4361                 }
4362
4363                 case SMB_INFO_IS_NAME_VALID:
4364                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_IS_NAME_VALID\n"));
4365                         if (fsp) {
4366                                 /* os/2 needs this ? really ?*/
4367                                 return NT_STATUS_DOS(ERRDOS, ERRbadfunc);
4368                         }
4369                         /* This is only reached for qpathinfo */
4370                         data_size = 0;
4371                         break;
4372
4373                 case SMB_INFO_QUERY_EAS_FROM_LIST:
4374                 {
4375                         size_t total_ea_len = 0;
4376                         struct ea_list *ea_file_list = NULL;
4377
4378                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_QUERY_EAS_FROM_LIST\n"));
4379
4380                         ea_file_list =
4381                             get_ea_list_from_file(mem_ctx, conn, fsp,
4382                                                   smb_fname->base_name,
4383                                                   &total_ea_len);
4384                         ea_list = ea_list_union(ea_list, ea_file_list, &total_ea_len);
4385
4386                         if (!ea_list || (total_ea_len > data_size)) {
4387                                 data_size = 4;
4388                                 SIVAL(pdata,0,4);   /* EA List Length must be set to 4 if no EA's. */
4389                                 break;
4390                         }
4391
4392                         data_size = fill_ea_buffer(mem_ctx, pdata, data_size, conn, ea_list);
4393                         break;
4394                 }
4395
4396                 case SMB_INFO_QUERY_ALL_EAS:
4397                 {
4398                         /* We have data_size bytes to put EA's into. */
4399                         size_t total_ea_len = 0;
4400
4401                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_QUERY_ALL_EAS\n"));
4402
4403                         ea_list = get_ea_list_from_file(mem_ctx, conn, fsp,
4404                                                         smb_fname->base_name,
4405                                                         &total_ea_len);
4406                         if (!ea_list || (total_ea_len > data_size)) {
4407                                 data_size = 4;
4408                                 SIVAL(pdata,0,4);   /* EA List Length must be set to 4 if no EA's. */
4409                                 break;
4410                         }
4411
4412                         data_size = fill_ea_buffer(mem_ctx, pdata, data_size, conn, ea_list);
4413                         break;
4414                 }
4415
4416                 case 0xFF0F:/*SMB2_INFO_QUERY_ALL_EAS*/
4417                 {
4418                         /* This is FileFullEaInformation - 0xF which maps to
4419                          * 1015 (decimal) in smbd_do_setfilepathinfo. */
4420
4421                         /* We have data_size bytes to put EA's into. */
4422                         size_t total_ea_len = 0;
4423                         struct ea_list *ea_file_list = NULL;
4424
4425                         DEBUG(10,("smbd_do_qfilepathinfo: SMB2_INFO_QUERY_ALL_EAS\n"));
4426
4427                         /*TODO: add filtering and index handling */
4428
4429                         ea_file_list =
4430                             get_ea_list_from_file(mem_ctx, conn, fsp,
4431                                                   smb_fname->base_name,
4432                                                   &total_ea_len);
4433                         if (!ea_file_list) {
4434                                 return NT_STATUS_NO_EAS_ON_FILE;
4435                         }
4436
4437                         status = fill_ea_chained_buffer(mem_ctx,
4438                                                         pdata,
4439                                                         data_size,
4440                                                         &data_size,
4441                                                         conn, ea_file_list);
4442                         if (!NT_STATUS_IS_OK(status)) {
4443                                 return status;
4444                         }
4445                         break;
4446                 }
4447
4448                 case SMB_FILE_BASIC_INFORMATION:
4449                 case SMB_QUERY_FILE_BASIC_INFO:
4450
4451                         if (info_level == SMB_QUERY_FILE_BASIC_INFO) {
4452                                 DEBUG(10,("smbd_do_qfilepathinfo: SMB_QUERY_FILE_BASIC_INFO\n"));
4453                                 data_size = 36; /* w95 returns 40 bytes not 36 - why ?. */
4454                         } else {
4455                                 DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_BASIC_INFORMATION\n"));
4456                                 data_size = 40;
4457                                 SIVAL(pdata,36,0);
4458                         }
4459                         put_long_date_timespec(conn->ts_res,pdata,create_time_ts);
4460                         put_long_date_timespec(conn->ts_res,pdata+8,atime_ts);
4461                         put_long_date_timespec(conn->ts_res,pdata+16,mtime_ts); /* write time */
4462                         put_long_date_timespec(conn->ts_res,pdata+24,ctime_ts); /* change time */
4463                         SIVAL(pdata,32,mode);
4464
4465                         DEBUG(5,("SMB_QFBI - "));
4466                         DEBUG(5,("create: %s ", ctime(&create_time)));
4467                         DEBUG(5,("access: %s ", ctime(&atime)));
4468                         DEBUG(5,("write: %s ", ctime(&mtime)));
4469                         DEBUG(5,("change: %s ", ctime(&c_time)));
4470                         DEBUG(5,("mode: %x\n", mode));
4471                         break;
4472
4473                 case SMB_FILE_STANDARD_INFORMATION:
4474                 case SMB_QUERY_FILE_STANDARD_INFO:
4475
4476                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_STANDARD_INFORMATION\n"));
4477                         data_size = 24;
4478                         SOFF_T(pdata,0,allocation_size);
4479                         SOFF_T(pdata,8,file_size);
4480                         SIVAL(pdata,16,nlink);
4481                         SCVAL(pdata,20,delete_pending?1:0);
4482                         SCVAL(pdata,21,(mode&FILE_ATTRIBUTE_DIRECTORY)?1:0);
4483                         SSVAL(pdata,22,0); /* Padding. */
4484                         break;
4485
4486                 case SMB_FILE_EA_INFORMATION:
4487                 case SMB_QUERY_FILE_EA_INFO:
4488                 {
4489                         unsigned int ea_size =
4490                             estimate_ea_size(conn, fsp, smb_fname->base_name);
4491                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_EA_INFORMATION\n"));
4492                         data_size = 4;
4493                         SIVAL(pdata,0,ea_size);
4494                         break;
4495                 }
4496
4497                 /* Get the 8.3 name - used if NT SMB was negotiated. */
4498                 case SMB_QUERY_FILE_ALT_NAME_INFO:
4499                 case SMB_FILE_ALTERNATE_NAME_INFORMATION:
4500                 {
4501                         int len;
4502                         char mangled_name[13];
4503                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ALTERNATE_NAME_INFORMATION\n"));
4504                         if (!name_to_8_3(base_name,mangled_name,
4505                                                 True,conn->params)) {
4506                                 return NT_STATUS_NO_MEMORY;
4507                         }
4508                         len = srvstr_push(dstart, flags2,
4509                                           pdata+4, mangled_name,
4510                                           PTR_DIFF(dend, pdata+4),
4511                                           STR_UNICODE);
4512                         data_size = 4 + len;
4513                         SIVAL(pdata,0,len);
4514                         break;
4515                 }
4516
4517                 case SMB_QUERY_FILE_NAME_INFO:
4518                 {
4519                         int len;
4520                         /*
4521                           this must be *exactly* right for ACLs on mapped drives to work
4522                          */
4523                         len = srvstr_push(dstart, flags2,
4524                                           pdata+4, dos_fname,
4525                                           PTR_DIFF(dend, pdata+4),
4526                                           STR_UNICODE);
4527                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_QUERY_FILE_NAME_INFO\n"));
4528                         data_size = 4 + len;
4529                         SIVAL(pdata,0,len);
4530                         break;
4531                 }
4532
4533                 case SMB_FILE_ALLOCATION_INFORMATION:
4534                 case SMB_QUERY_FILE_ALLOCATION_INFO:
4535                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ALLOCATION_INFORMATION\n"));
4536                         data_size = 8;
4537                         SOFF_T(pdata,0,allocation_size);
4538                         break;
4539
4540                 case SMB_FILE_END_OF_FILE_INFORMATION:
4541                 case SMB_QUERY_FILE_END_OF_FILEINFO:
4542                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_END_OF_FILE_INFORMATION\n"));
4543                         data_size = 8;
4544                         SOFF_T(pdata,0,file_size);
4545                         break;
4546
4547                 case SMB_QUERY_FILE_ALL_INFO:
4548                 case SMB_FILE_ALL_INFORMATION:
4549                 {
4550                         int len;
4551                         unsigned int ea_size =
4552                             estimate_ea_size(conn, fsp, smb_fname->base_name);
4553                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ALL_INFORMATION\n"));
4554                         put_long_date_timespec(conn->ts_res,pdata,create_time_ts);
4555                         put_long_date_timespec(conn->ts_res,pdata+8,atime_ts);
4556                         put_long_date_timespec(conn->ts_res,pdata+16,mtime_ts); /* write time */
4557                         put_long_date_timespec(conn->ts_res,pdata+24,ctime_ts); /* change time */
4558                         SIVAL(pdata,32,mode);
4559                         SIVAL(pdata,36,0); /* padding. */
4560                         pdata += 40;
4561                         SOFF_T(pdata,0,allocation_size);
4562                         SOFF_T(pdata,8,file_size);
4563                         SIVAL(pdata,16,nlink);
4564                         SCVAL(pdata,20,delete_pending);
4565                         SCVAL(pdata,21,(mode&FILE_ATTRIBUTE_DIRECTORY)?1:0);
4566                         SSVAL(pdata,22,0);
4567                         pdata += 24;
4568                         SIVAL(pdata,0,ea_size);
4569                         pdata += 4; /* EA info */
4570                         len = srvstr_push(dstart, flags2,
4571                                           pdata+4, dos_fname,
4572                                           PTR_DIFF(dend, pdata+4),
4573                                           STR_UNICODE);
4574                         SIVAL(pdata,0,len);
4575                         pdata += 4 + len;
4576                         data_size = PTR_DIFF(pdata,(*ppdata));
4577                         break;
4578                 }
4579
4580                 case 0xFF12:/*SMB2_FILE_ALL_INFORMATION*/
4581                 {
4582                         int len;
4583                         unsigned int ea_size =
4584                             estimate_ea_size(conn, fsp, smb_fname->base_name);
4585                         DEBUG(10,("smbd_do_qfilepathinfo: SMB2_FILE_ALL_INFORMATION\n"));
4586                         put_long_date_timespec(conn->ts_res,pdata+0x00,create_time_ts);
4587                         put_long_date_timespec(conn->ts_res,pdata+0x08,atime_ts);
4588                         put_long_date_timespec(conn->ts_res,pdata+0x10,mtime_ts); /* write time */
4589                         put_long_date_timespec(conn->ts_res,pdata+0x18,ctime_ts); /* change time */
4590                         SIVAL(pdata,    0x20, mode);
4591                         SIVAL(pdata,    0x24, 0); /* padding. */
4592                         SBVAL(pdata,    0x28, allocation_size);
4593                         SBVAL(pdata,    0x30, file_size);
4594                         SIVAL(pdata,    0x38, nlink);
4595                         SCVAL(pdata,    0x3C, delete_pending);
4596                         SCVAL(pdata,    0x3D, (mode&FILE_ATTRIBUTE_DIRECTORY)?1:0);
4597                         SSVAL(pdata,    0x3E, 0); /* padding */
4598                         SBVAL(pdata,    0x40, file_index);
4599                         SIVAL(pdata,    0x48, ea_size);
4600                         SIVAL(pdata,    0x4C, access_mask);
4601                         SBVAL(pdata,    0x50, pos);
4602                         SIVAL(pdata,    0x58, mode); /*TODO: mode != mode fix this!!! */
4603                         SIVAL(pdata,    0x5C, 0); /* No alignment needed. */
4604
4605                         pdata += 0x60;
4606
4607                         len = srvstr_push(dstart, flags2,
4608                                           pdata+4, dos_fname,
4609                                           PTR_DIFF(dend, pdata+4),
4610                                           STR_UNICODE);
4611                         SIVAL(pdata,0,len);
4612                         pdata += 4 + len;
4613                         data_size = PTR_DIFF(pdata,(*ppdata));
4614                         break;
4615                 }
4616                 case SMB_FILE_INTERNAL_INFORMATION:
4617
4618                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_INTERNAL_INFORMATION\n"));
4619                         SBVAL(pdata, 0, file_index);
4620                         data_size = 8;
4621                         break;
4622
4623                 case SMB_FILE_ACCESS_INFORMATION:
4624                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ACCESS_INFORMATION\n"));
4625                         SIVAL(pdata, 0, access_mask);
4626                         data_size = 4;
4627                         break;
4628
4629                 case SMB_FILE_NAME_INFORMATION:
4630                         /* Pathname with leading '\'. */
4631                         {
4632                                 size_t byte_len;
4633                                 byte_len = dos_PutUniCode(pdata+4,dos_fname,(size_t)max_data_bytes,False);
4634                                 DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_NAME_INFORMATION\n"));
4635                                 SIVAL(pdata,0,byte_len);
4636                                 data_size = 4 + byte_len;
4637                                 break;
4638                         }
4639
4640                 case SMB_FILE_DISPOSITION_INFORMATION:
4641                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_DISPOSITION_INFORMATION\n"));
4642                         data_size = 1;
4643                         SCVAL(pdata,0,delete_pending);
4644                         break;
4645
4646                 case SMB_FILE_POSITION_INFORMATION:
4647                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_POSITION_INFORMATION\n"));
4648                         data_size = 8;
4649                         SOFF_T(pdata,0,pos);
4650                         break;
4651
4652                 case SMB_FILE_MODE_INFORMATION:
4653                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_MODE_INFORMATION\n"));
4654                         SIVAL(pdata,0,mode);
4655                         data_size = 4;
4656                         break;
4657
4658                 case SMB_FILE_ALIGNMENT_INFORMATION:
4659                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ALIGNMENT_INFORMATION\n"));
4660                         SIVAL(pdata,0,0); /* No alignment needed. */
4661                         data_size = 4;
4662                         break;
4663
4664                 /*
4665                  * NT4 server just returns "invalid query" to this - if we try
4666                  * to answer it then NTws gets a BSOD! (tridge).  W2K seems to
4667                  * want this. JRA.
4668                  */
4669                 /* The first statement above is false - verified using Thursby
4670                  * client against NT4 -- gcolley.
4671                  */
4672                 case SMB_QUERY_FILE_STREAM_INFO:
4673                 case SMB_FILE_STREAM_INFORMATION: {
4674                         unsigned int num_streams;
4675                         struct stream_struct *streams;
4676
4677                         DEBUG(10,("smbd_do_qfilepathinfo: "
4678                                   "SMB_FILE_STREAM_INFORMATION\n"));
4679
4680                         if (is_ntfs_stream_smb_fname(smb_fname)) {
4681                                 return NT_STATUS_INVALID_PARAMETER;
4682                         }
4683
4684                         status = SMB_VFS_STREAMINFO(
4685                                 conn, fsp, smb_fname->base_name, talloc_tos(),
4686                                 &num_streams, &streams);
4687
4688                         if (!NT_STATUS_IS_OK(status)) {
4689                                 DEBUG(10, ("could not get stream info: %s\n",
4690                                            nt_errstr(status)));
4691                                 return status;
4692                         }
4693
4694                         status = marshall_stream_info(num_streams, streams,
4695                                                       pdata, max_data_bytes,
4696                                                       &data_size);
4697
4698                         if (!NT_STATUS_IS_OK(status)) {
4699                                 DEBUG(10, ("marshall_stream_info failed: %s\n",
4700                                            nt_errstr(status)));
4701                                 return status;
4702                         }
4703
4704                         TALLOC_FREE(streams);
4705
4706                         break;
4707                 }
4708                 case SMB_QUERY_COMPRESSION_INFO:
4709                 case SMB_FILE_COMPRESSION_INFORMATION:
4710                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_COMPRESSION_INFORMATION\n"));
4711                         SOFF_T(pdata,0,file_size);
4712                         SIVAL(pdata,8,0); /* ??? */
4713                         SIVAL(pdata,12,0); /* ??? */
4714                         data_size = 16;
4715                         break;
4716
4717                 case SMB_FILE_NETWORK_OPEN_INFORMATION:
4718                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_NETWORK_OPEN_INFORMATION\n"));
4719                         put_long_date_timespec(conn->ts_res,pdata,create_time_ts);
4720                         put_long_date_timespec(conn->ts_res,pdata+8,atime_ts);
4721                         put_long_date_timespec(conn->ts_res,pdata+16,mtime_ts); /* write time */
4722                         put_long_date_timespec(conn->ts_res,pdata+24,ctime_ts); /* change time */
4723                         SOFF_T(pdata,32,allocation_size);
4724                         SOFF_T(pdata,40,file_size);
4725                         SIVAL(pdata,48,mode);
4726                         SIVAL(pdata,52,0); /* ??? */
4727                         data_size = 56;
4728                         break;
4729
4730                 case SMB_FILE_ATTRIBUTE_TAG_INFORMATION:
4731                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ATTRIBUTE_TAG_INFORMATION\n"));
4732                         SIVAL(pdata,0,mode);
4733                         SIVAL(pdata,4,0);
4734                         data_size = 8;
4735                         break;
4736
4737                 /*
4738                  * CIFS UNIX Extensions.
4739                  */
4740
4741                 case SMB_QUERY_FILE_UNIX_BASIC:
4742
4743                         pdata = store_file_unix_basic(conn, pdata, fsp, psbuf);
4744                         data_size = PTR_DIFF(pdata,(*ppdata));
4745
4746                         DEBUG(4,("smbd_do_qfilepathinfo: "
4747                                  "SMB_QUERY_FILE_UNIX_BASIC\n"));
4748                         dump_data(4, (uint8_t *)(*ppdata), data_size);
4749
4750                         break;
4751
4752                 case SMB_QUERY_FILE_UNIX_INFO2:
4753
4754                         pdata = store_file_unix_basic_info2(conn, pdata, fsp, psbuf);
4755                         data_size = PTR_DIFF(pdata,(*ppdata));
4756
4757                         {
4758                                 int i;
4759                                 DEBUG(4,("smbd_do_qfilepathinfo: SMB_QUERY_FILE_UNIX_INFO2 "));
4760
4761                                 for (i=0; i<100; i++)
4762                                         DEBUG(4,("%d=%x, ",i, (*ppdata)[i]));
4763                                 DEBUG(4,("\n"));
4764                         }
4765
4766                         break;
4767
4768                 case SMB_QUERY_FILE_UNIX_LINK:
4769                         {
4770                                 int len;
4771                                 char *buffer = TALLOC_ARRAY(mem_ctx, char, PATH_MAX+1);
4772
4773                                 if (!buffer) {
4774                                         return NT_STATUS_NO_MEMORY;
4775                                 }
4776
4777                                 DEBUG(10,("smbd_do_qfilepathinfo: SMB_QUERY_FILE_UNIX_LINK\n"));
4778 #ifdef S_ISLNK
4779                                 if(!S_ISLNK(psbuf->st_ex_mode)) {
4780                                         return NT_STATUS_DOS(ERRSRV, ERRbadlink);
4781                                 }
4782 #else
4783                                 return NT_STATUS_DOS(ERRDOS, ERRbadlink);
4784 #endif
4785                                 len = SMB_VFS_READLINK(conn,
4786                                                        smb_fname->base_name,
4787                                                        buffer, PATH_MAX);
4788                                 if (len == -1) {
4789                                         return map_nt_error_from_unix(errno);
4790                                 }
4791                                 buffer[len] = 0;
4792                                 len = srvstr_push(dstart, flags2,
4793                                                   pdata, buffer,
4794                                                   PTR_DIFF(dend, pdata),
4795                                                   STR_TERMINATE);
4796                                 pdata += len;
4797                                 data_size = PTR_DIFF(pdata,(*ppdata));
4798
4799                                 break;
4800                         }
4801
4802 #if defined(HAVE_POSIX_ACLS)
4803                 case SMB_QUERY_POSIX_ACL:
4804                         {
4805                                 SMB_ACL_T file_acl = NULL;
4806                                 SMB_ACL_T def_acl = NULL;
4807                                 uint16 num_file_acls = 0;
4808                                 uint16 num_def_acls = 0;
4809
4810                                 if (fsp && fsp->fh->fd != -1) {
4811                                         file_acl = SMB_VFS_SYS_ACL_GET_FD(fsp);
4812                                 } else {
4813                                         file_acl =
4814                                             SMB_VFS_SYS_ACL_GET_FILE(conn,
4815                                                 smb_fname->base_name,
4816                                                 SMB_ACL_TYPE_ACCESS);
4817                                 }
4818
4819                                 if (file_acl == NULL && no_acl_syscall_error(errno)) {
4820                                         DEBUG(5,("smbd_do_qfilepathinfo: ACLs "
4821                                                  "not implemented on "
4822                                                  "filesystem containing %s\n",
4823                                                  smb_fname->base_name));
4824                                         return NT_STATUS_NOT_IMPLEMENTED;
4825                                 }
4826
4827                                 if (S_ISDIR(psbuf->st_ex_mode)) {
4828                                         if (fsp && fsp->is_directory) {
4829                                                 def_acl =
4830                                                     SMB_VFS_SYS_ACL_GET_FILE(
4831                                                             conn,
4832                                                             fsp->fsp_name->base_name,
4833                                                             SMB_ACL_TYPE_DEFAULT);
4834                                         } else {
4835                                                 def_acl =
4836                                                     SMB_VFS_SYS_ACL_GET_FILE(
4837                                                             conn,
4838                                                             smb_fname->base_name,
4839                                                             SMB_ACL_TYPE_DEFAULT);
4840                                         }
4841                                         def_acl = free_empty_sys_acl(conn, def_acl);
4842                                 }
4843
4844                                 num_file_acls = count_acl_entries(conn, file_acl);
4845                                 num_def_acls = count_acl_entries(conn, def_acl);
4846
4847                                 if ( data_size < (num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE + SMB_POSIX_ACL_HEADER_SIZE) {
4848                                         DEBUG(5,("smbd_do_qfilepathinfo: data_size too small (%u) need %u\n",
4849                                                 data_size,
4850                                                 (unsigned int)((num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE +
4851                                                         SMB_POSIX_ACL_HEADER_SIZE) ));
4852                                         if (file_acl) {
4853                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4854                                         }
4855                                         if (def_acl) {
4856                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4857                                         }
4858                                         return NT_STATUS_BUFFER_TOO_SMALL;
4859                                 }
4860
4861                                 SSVAL(pdata,0,SMB_POSIX_ACL_VERSION);
4862                                 SSVAL(pdata,2,num_file_acls);
4863                                 SSVAL(pdata,4,num_def_acls);
4864                                 if (!marshall_posix_acl(conn, pdata + SMB_POSIX_ACL_HEADER_SIZE, psbuf, file_acl)) {
4865                                         if (file_acl) {
4866                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4867                                         }
4868                                         if (def_acl) {
4869                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4870                                         }
4871                                         return NT_STATUS_INTERNAL_ERROR;
4872                                 }
4873                                 if (!marshall_posix_acl(conn, pdata + SMB_POSIX_ACL_HEADER_SIZE + (num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE), psbuf, def_acl)) {
4874                                         if (file_acl) {
4875                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4876                                         }
4877                                         if (def_acl) {
4878                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4879                                         }
4880                                         return NT_STATUS_INTERNAL_ERROR;
4881                                 }
4882
4883                                 if (file_acl) {
4884                                         SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4885                                 }
4886                                 if (def_acl) {
4887                                         SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4888                                 }
4889                                 data_size = (num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE + SMB_POSIX_ACL_HEADER_SIZE;
4890                                 break;
4891                         }
4892 #endif
4893
4894
4895                 case SMB_QUERY_POSIX_LOCK:
4896                 {
4897                         uint64_t count;
4898                         uint64_t offset;
4899                         uint64_t smblctx;
4900                         enum brl_type lock_type;
4901
4902                         /* We need an open file with a real fd for this. */
4903                         if (!fsp || fsp->fh->fd == -1) {
4904                                 return NT_STATUS_INVALID_LEVEL;
4905                         }
4906
4907                         if (lock_data_count != POSIX_LOCK_DATA_SIZE) {
4908                                 return NT_STATUS_INVALID_PARAMETER;
4909                         }
4910
4911                         switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) {
4912                                 case POSIX_LOCK_TYPE_READ:
4913                                         lock_type = READ_LOCK;
4914                                         break;
4915                                 case POSIX_LOCK_TYPE_WRITE:
4916                                         lock_type = WRITE_LOCK;
4917                                         break;
4918                                 case POSIX_LOCK_TYPE_UNLOCK:
4919                                 default:
4920                                         /* There's no point in asking for an unlock... */
4921                                         return NT_STATUS_INVALID_PARAMETER;
4922                         }
4923
4924                         smblctx = (uint64_t)IVAL(pdata, POSIX_LOCK_PID_OFFSET);
4925 #if defined(HAVE_LONGLONG)
4926                         offset = (((uint64_t) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) |
4927                                         ((uint64_t) IVAL(pdata,POSIX_LOCK_START_OFFSET));
4928                         count = (((uint64_t) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) |
4929                                         ((uint64_t) IVAL(pdata,POSIX_LOCK_LEN_OFFSET));
4930 #else /* HAVE_LONGLONG */
4931                         offset = (uint64_t)IVAL(pdata,POSIX_LOCK_START_OFFSET);
4932                         count = (uint64_t)IVAL(pdata,POSIX_LOCK_LEN_OFFSET);
4933 #endif /* HAVE_LONGLONG */
4934
4935                         status = query_lock(fsp,
4936                                         &smblctx,
4937                                         &count,
4938                                         &offset,
4939                                         &lock_type,
4940                                         POSIX_LOCK);
4941
4942                         if (ERROR_WAS_LOCK_DENIED(status)) {
4943                                 /* Here we need to report who has it locked... */
4944                                 data_size = POSIX_LOCK_DATA_SIZE;
4945
4946                                 SSVAL(pdata, POSIX_LOCK_TYPE_OFFSET, lock_type);
4947                                 SSVAL(pdata, POSIX_LOCK_FLAGS_OFFSET, 0);
4948                                 SIVAL(pdata, POSIX_LOCK_PID_OFFSET, (uint32_t)smblctx);
4949 #if defined(HAVE_LONGLONG)
4950                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET, (uint32)(offset & 0xFFFFFFFF));
4951                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET + 4, (uint32)((offset >> 32) & 0xFFFFFFFF));
4952                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET, (uint32)(count & 0xFFFFFFFF));
4953                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET + 4, (uint32)((count >> 32) & 0xFFFFFFFF));
4954 #else /* HAVE_LONGLONG */
4955                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET, offset);
4956                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET, count);
4957 #endif /* HAVE_LONGLONG */
4958
4959                         } else if (NT_STATUS_IS_OK(status)) {
4960                                 /* For success we just return a copy of what we sent
4961                                    with the lock type set to POSIX_LOCK_TYPE_UNLOCK. */
4962                                 data_size = POSIX_LOCK_DATA_SIZE;
4963                                 memcpy(pdata, lock_data, POSIX_LOCK_DATA_SIZE);
4964                                 SSVAL(pdata, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_UNLOCK);
4965                         } else {
4966                                 return status;
4967                         }
4968                         break;
4969                 }
4970
4971                 default:
4972                         return NT_STATUS_INVALID_LEVEL;
4973         }
4974
4975         *pdata_size = data_size;
4976         return NT_STATUS_OK;
4977 }
4978
4979 /****************************************************************************
4980  Reply to a TRANS2_QFILEPATHINFO or TRANSACT2_QFILEINFO (query file info by
4981  file name or file id).
4982 ****************************************************************************/
4983
4984 static void call_trans2qfilepathinfo(connection_struct *conn,
4985                                      struct smb_request *req,
4986                                      unsigned int tran_call,
4987                                      char **pparams, int total_params,
4988                                      char **ppdata, int total_data,
4989                                      unsigned int max_data_bytes)
4990 {
4991         char *params = *pparams;
4992         char *pdata = *ppdata;
4993         uint16 info_level;
4994         unsigned int data_size = 0;
4995         unsigned int param_size = 2;
4996         struct smb_filename *smb_fname = NULL;
4997         bool delete_pending = False;
4998         struct timespec write_time_ts;
4999         files_struct *fsp = NULL;
5000         struct file_id fileid;
5001         struct ea_list *ea_list = NULL;
5002         int lock_data_count = 0;
5003         char *lock_data = NULL;
5004         NTSTATUS status = NT_STATUS_OK;
5005
5006         if (!params) {
5007                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5008                 return;
5009         }
5010
5011         ZERO_STRUCT(write_time_ts);
5012
5013         if (tran_call == TRANSACT2_QFILEINFO) {
5014                 if (total_params < 4) {
5015                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5016                         return;
5017                 }
5018
5019                 if (IS_IPC(conn)) {
5020                         call_trans2qpipeinfo(conn, req, tran_call,
5021                                              pparams, total_params,
5022                                              ppdata, total_data,
5023                                              max_data_bytes);
5024                         return;
5025                 }
5026
5027                 fsp = file_fsp(req, SVAL(params,0));
5028                 info_level = SVAL(params,2);
5029
5030                 DEBUG(3,("call_trans2qfilepathinfo: TRANSACT2_QFILEINFO: level = %d\n", info_level));
5031
5032                 if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
5033                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
5034                         return;
5035                 }
5036
5037                 /* Initial check for valid fsp ptr. */
5038                 if (!check_fsp_open(conn, req, fsp)) {
5039                         return;
5040                 }
5041
5042                 status = copy_smb_filename(talloc_tos(), fsp->fsp_name,
5043                                            &smb_fname);
5044                 if (!NT_STATUS_IS_OK(status)) {
5045                         reply_nterror(req, status);
5046                         return;
5047                 }
5048
5049                 if(fsp->fake_file_handle) {
5050                         /*
5051                          * This is actually for the QUOTA_FAKE_FILE --metze
5052                          */
5053
5054                         /* We know this name is ok, it's already passed the checks. */
5055
5056                 } else if(fsp->fh->fd == -1) {
5057                         /*
5058                          * This is actually a QFILEINFO on a directory
5059                          * handle (returned from an NT SMB). NT5.0 seems
5060                          * to do this call. JRA.
5061                          */
5062
5063                         if (INFO_LEVEL_IS_UNIX(info_level)) {
5064                                 /* Always do lstat for UNIX calls. */
5065                                 if (SMB_VFS_LSTAT(conn, smb_fname)) {
5066                                         DEBUG(3,("call_trans2qfilepathinfo: "
5067                                                  "SMB_VFS_LSTAT of %s failed "
5068                                                  "(%s)\n",
5069                                                  smb_fname_str_dbg(smb_fname),
5070                                                  strerror(errno)));
5071                                         reply_nterror(req,
5072                                                 map_nt_error_from_unix(errno));
5073                                         return;
5074                                 }
5075                         } else if (SMB_VFS_STAT(conn, smb_fname)) {
5076                                 DEBUG(3,("call_trans2qfilepathinfo: "
5077                                          "SMB_VFS_STAT of %s failed (%s)\n",
5078                                          smb_fname_str_dbg(smb_fname),
5079                                          strerror(errno)));
5080                                 reply_nterror(req,
5081                                         map_nt_error_from_unix(errno));
5082                                 return;
5083                         }
5084
5085                         fileid = vfs_file_id_from_sbuf(conn, &smb_fname->st);
5086                         get_file_infos(fileid, fsp->name_hash, &delete_pending, &write_time_ts);
5087                 } else {
5088                         /*
5089                          * Original code - this is an open file.
5090                          */
5091                         if (SMB_VFS_FSTAT(fsp, &smb_fname->st) != 0) {
5092                                 DEBUG(3, ("fstat of fnum %d failed (%s)\n",
5093                                           fsp->fnum, strerror(errno)));
5094                                 reply_nterror(req,
5095                                         map_nt_error_from_unix(errno));
5096                                 return;
5097                         }
5098                         fileid = vfs_file_id_from_sbuf(conn, &smb_fname->st);
5099                         get_file_infos(fileid, fsp->name_hash, &delete_pending, &write_time_ts);
5100                 }
5101
5102         } else {
5103                 uint32_t name_hash;
5104                 char *fname = NULL;
5105
5106                 /* qpathinfo */
5107                 if (total_params < 7) {
5108                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5109                         return;
5110                 }
5111
5112                 info_level = SVAL(params,0);
5113
5114                 DEBUG(3,("call_trans2qfilepathinfo: TRANSACT2_QPATHINFO: level = %d\n", info_level));
5115
5116                 if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
5117                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
5118                         return;
5119                 }
5120
5121                 srvstr_get_path(req, params, req->flags2, &fname, &params[6],
5122                                 total_params - 6,
5123                                 STR_TERMINATE, &status);
5124                 if (!NT_STATUS_IS_OK(status)) {
5125                         reply_nterror(req, status);
5126                         return;
5127                 }
5128
5129                 status = filename_convert(req,
5130                                         conn,
5131                                         req->flags2 & FLAGS2_DFS_PATHNAMES,
5132                                         fname,
5133                                         0,
5134                                         NULL,
5135                                         &smb_fname);
5136                 if (!NT_STATUS_IS_OK(status)) {
5137                         if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
5138                                 reply_botherror(req,
5139                                                 NT_STATUS_PATH_NOT_COVERED,
5140                                                 ERRSRV, ERRbadpath);
5141                                 return;
5142                         }
5143                         reply_nterror(req, status);
5144                         return;
5145                 }
5146
5147                 /* If this is a stream, check if there is a delete_pending. */
5148                 if ((conn->fs_capabilities & FILE_NAMED_STREAMS)
5149                     && is_ntfs_stream_smb_fname(smb_fname)) {
5150                         struct smb_filename *smb_fname_base = NULL;
5151
5152                         /* Create an smb_filename with stream_name == NULL. */
5153                         status =
5154                             create_synthetic_smb_fname(talloc_tos(),
5155                                                        smb_fname->base_name,
5156                                                        NULL, NULL,
5157                                                        &smb_fname_base);
5158                         if (!NT_STATUS_IS_OK(status)) {
5159                                 reply_nterror(req, status);
5160                                 return;
5161                         }
5162
5163                         if (INFO_LEVEL_IS_UNIX(info_level)) {
5164                                 /* Always do lstat for UNIX calls. */
5165                                 if (SMB_VFS_LSTAT(conn, smb_fname_base) != 0) {
5166                                         DEBUG(3,("call_trans2qfilepathinfo: "
5167                                                  "SMB_VFS_LSTAT of %s failed "
5168                                                  "(%s)\n",
5169                                                  smb_fname_str_dbg(smb_fname_base),
5170                                                  strerror(errno)));
5171                                         TALLOC_FREE(smb_fname_base);
5172                                         reply_nterror(req,
5173                                                 map_nt_error_from_unix(errno));
5174                                         return;
5175                                 }
5176                         } else {
5177                                 if (SMB_VFS_STAT(conn, smb_fname_base) != 0) {
5178                                         DEBUG(3,("call_trans2qfilepathinfo: "
5179                                                  "fileinfo of %s failed "
5180                                                  "(%s)\n",
5181                                                  smb_fname_str_dbg(smb_fname_base),
5182                                                  strerror(errno)));
5183                                         TALLOC_FREE(smb_fname_base);
5184                                         reply_nterror(req,
5185                                                 map_nt_error_from_unix(errno));
5186                                         return;
5187                                 }
5188                         }
5189
5190                         status = file_name_hash(conn,
5191                                         smb_fname_str_dbg(smb_fname_base),
5192                                         &name_hash);
5193                         if (!NT_STATUS_IS_OK(status)) {
5194                                 TALLOC_FREE(smb_fname_base);
5195                                 reply_nterror(req, status);
5196                                 return;
5197                         }
5198
5199                         fileid = vfs_file_id_from_sbuf(conn,
5200                                                        &smb_fname_base->st);
5201                         TALLOC_FREE(smb_fname_base);
5202                         get_file_infos(fileid, name_hash, &delete_pending, NULL);
5203                         if (delete_pending) {
5204                                 reply_nterror(req, NT_STATUS_DELETE_PENDING);
5205                                 return;
5206                         }
5207                 }
5208
5209                 if (INFO_LEVEL_IS_UNIX(info_level)) {
5210                         /* Always do lstat for UNIX calls. */
5211                         if (SMB_VFS_LSTAT(conn, smb_fname)) {
5212                                 DEBUG(3,("call_trans2qfilepathinfo: "
5213                                          "SMB_VFS_LSTAT of %s failed (%s)\n",
5214                                          smb_fname_str_dbg(smb_fname),
5215                                          strerror(errno)));
5216                                 reply_nterror(req,
5217                                         map_nt_error_from_unix(errno));
5218                                 return;
5219                         }
5220
5221                 } else {
5222                         if (SMB_VFS_STAT(conn, smb_fname) != 0) {
5223                                 DEBUG(3,("call_trans2qfilepathinfo: "
5224                                          "SMB_VFS_STAT of %s failed (%s)\n",
5225                                          smb_fname_str_dbg(smb_fname),
5226                                          strerror(errno)));
5227                                 reply_nterror(req,
5228                                         map_nt_error_from_unix(errno));
5229                                 return;
5230                         }
5231                 }
5232
5233                 status = file_name_hash(conn,
5234                                 smb_fname_str_dbg(smb_fname),
5235                                 &name_hash);
5236                 if (!NT_STATUS_IS_OK(status)) {
5237                         reply_nterror(req, status);
5238                         return;
5239                 }
5240
5241                 fileid = vfs_file_id_from_sbuf(conn, &smb_fname->st);
5242                 get_file_infos(fileid, name_hash, &delete_pending, &write_time_ts);
5243                 if (delete_pending) {
5244                         reply_nterror(req, NT_STATUS_DELETE_PENDING);
5245                         return;
5246                 }
5247         }
5248
5249         DEBUG(3,("call_trans2qfilepathinfo %s (fnum = %d) level=%d call=%d "
5250                  "total_data=%d\n", smb_fname_str_dbg(smb_fname),
5251                  fsp ? fsp->fnum : -1, info_level,tran_call,total_data));
5252
5253         /* Pull out any data sent here before we realloc. */
5254         switch (info_level) {
5255                 case SMB_INFO_QUERY_EAS_FROM_LIST:
5256                 {
5257                         /* Pull any EA list from the data portion. */
5258                         uint32 ea_size;
5259
5260                         if (total_data < 4) {
5261                                 reply_nterror(
5262                                         req, NT_STATUS_INVALID_PARAMETER);
5263                                 return;
5264                         }
5265                         ea_size = IVAL(pdata,0);
5266
5267                         if (total_data > 0 && ea_size != total_data) {
5268                                 DEBUG(4,("call_trans2qfilepathinfo: Rejecting EA request with incorrect \
5269 total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
5270                                 reply_nterror(
5271                                         req, NT_STATUS_INVALID_PARAMETER);
5272                                 return;
5273                         }
5274
5275                         if (!lp_ea_support(SNUM(conn))) {
5276                                 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
5277                                 return;
5278                         }
5279
5280                         /* Pull out the list of names. */
5281                         ea_list = read_ea_name_list(req, pdata + 4, ea_size - 4);
5282                         if (!ea_list) {
5283                                 reply_nterror(
5284                                         req, NT_STATUS_INVALID_PARAMETER);
5285                                 return;
5286                         }
5287                         break;
5288                 }
5289
5290                 case SMB_QUERY_POSIX_LOCK:
5291                 {
5292                         if (fsp == NULL || fsp->fh->fd == -1) {
5293                                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
5294                                 return;
5295                         }
5296
5297                         if (total_data != POSIX_LOCK_DATA_SIZE) {
5298                                 reply_nterror(
5299                                         req, NT_STATUS_INVALID_PARAMETER);
5300                                 return;
5301                         }
5302
5303                         /* Copy the lock range data. */
5304                         lock_data = (char *)TALLOC_MEMDUP(
5305                                 req, pdata, total_data);
5306                         if (!lock_data) {
5307                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
5308                                 return;
5309                         }
5310                         lock_data_count = total_data;
5311                 }
5312                 default:
5313                         break;
5314         }
5315
5316         *pparams = (char *)SMB_REALLOC(*pparams,2);
5317         if (*pparams == NULL) {
5318                 reply_nterror(req, NT_STATUS_NO_MEMORY);
5319                 return;
5320         }
5321         params = *pparams;
5322         SSVAL(params,0,0);
5323
5324         /*
5325          * draft-leach-cifs-v1-spec-02.txt
5326          * 4.2.14 TRANS2_QUERY_PATH_INFORMATION: Get File Attributes given Path
5327          * says:
5328          *
5329          *  The requested information is placed in the Data portion of the
5330          *  transaction response. For the information levels greater than 0x100,
5331          *  the transaction response has 1 parameter word which should be
5332          *  ignored by the client.
5333          *
5334          * However Windows only follows this rule for the IS_NAME_VALID call.
5335          */
5336         switch (info_level) {
5337         case SMB_INFO_IS_NAME_VALID:
5338                 param_size = 0;
5339                 break;
5340         }
5341
5342         if ((info_level & 0xFF00) == 0xFF00) {
5343                 /*
5344                  * We use levels that start with 0xFF00
5345                  * internally to represent SMB2 specific levels
5346                  */
5347                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
5348                 return;
5349         }
5350
5351         status = smbd_do_qfilepathinfo(conn, req, info_level,
5352                                        fsp, smb_fname,
5353                                        delete_pending, write_time_ts,
5354                                        ea_list,
5355                                        lock_data_count, lock_data,
5356                                        req->flags2, max_data_bytes,
5357                                        ppdata, &data_size);
5358         if (!NT_STATUS_IS_OK(status)) {
5359                 reply_nterror(req, status);
5360                 return;
5361         }
5362
5363         send_trans2_replies(conn, req, params, param_size, *ppdata, data_size,
5364                             max_data_bytes);
5365
5366         return;
5367 }
5368
5369 /****************************************************************************
5370  Set a hard link (called by UNIX extensions and by NT rename with HARD link
5371  code.
5372 ****************************************************************************/
5373
5374 NTSTATUS hardlink_internals(TALLOC_CTX *ctx,
5375                 connection_struct *conn,
5376                 struct smb_request *req,
5377                 bool overwrite_if_exists,
5378                 const struct smb_filename *smb_fname_old,
5379                 struct smb_filename *smb_fname_new)
5380 {
5381         NTSTATUS status = NT_STATUS_OK;
5382
5383         /* source must already exist. */
5384         if (!VALID_STAT(smb_fname_old->st)) {
5385                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5386         }
5387
5388         if (VALID_STAT(smb_fname_new->st)) {
5389                 if (overwrite_if_exists) {
5390                         if (S_ISDIR(smb_fname_new->st.st_ex_mode)) {
5391                                 return NT_STATUS_FILE_IS_A_DIRECTORY;
5392                         }
5393                         status = unlink_internals(conn,
5394                                                 req,
5395                                                 FILE_ATTRIBUTE_NORMAL,
5396                                                 smb_fname_new,
5397                                                 false);
5398                         if (!NT_STATUS_IS_OK(status)) {
5399                                 return status;
5400                         }
5401                 } else {
5402                         /* Disallow if newname already exists. */
5403                         return NT_STATUS_OBJECT_NAME_COLLISION;
5404                 }
5405         }
5406
5407         /* No links from a directory. */
5408         if (S_ISDIR(smb_fname_old->st.st_ex_mode)) {
5409                 return NT_STATUS_FILE_IS_A_DIRECTORY;
5410         }
5411
5412         /* Setting a hardlink to/from a stream isn't currently supported. */
5413         if (is_ntfs_stream_smb_fname(smb_fname_old) ||
5414             is_ntfs_stream_smb_fname(smb_fname_new)) {
5415                 return NT_STATUS_INVALID_PARAMETER;
5416         }
5417
5418         DEBUG(10,("hardlink_internals: doing hard link %s -> %s\n",
5419                   smb_fname_old->base_name, smb_fname_new->base_name));
5420
5421         if (SMB_VFS_LINK(conn, smb_fname_old->base_name,
5422                          smb_fname_new->base_name) != 0) {
5423                 status = map_nt_error_from_unix(errno);
5424                 DEBUG(3,("hardlink_internals: Error %s hard link %s -> %s\n",
5425                          nt_errstr(status), smb_fname_old->base_name,
5426                          smb_fname_new->base_name));
5427         }
5428         return status;
5429 }
5430
5431 /****************************************************************************
5432  Deal with setting the time from any of the setfilepathinfo functions.
5433 ****************************************************************************/
5434
5435 NTSTATUS smb_set_file_time(connection_struct *conn,
5436                            files_struct *fsp,
5437                            const struct smb_filename *smb_fname,
5438                            struct smb_file_time *ft,
5439                            bool setting_write_time)
5440 {
5441         struct smb_filename smb_fname_base;
5442         uint32 action =
5443                 FILE_NOTIFY_CHANGE_LAST_ACCESS
5444                 |FILE_NOTIFY_CHANGE_LAST_WRITE
5445                 |FILE_NOTIFY_CHANGE_CREATION;
5446
5447         if (!VALID_STAT(smb_fname->st)) {
5448                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5449         }
5450
5451         if (fsp && !(fsp->access_mask & FILE_WRITE_ATTRIBUTES)) {
5452                 return NT_STATUS_ACCESS_DENIED;
5453         }
5454
5455         /* get some defaults (no modifications) if any info is zero or -1. */
5456         if (null_timespec(ft->create_time)) {
5457                 action &= ~FILE_NOTIFY_CHANGE_CREATION;
5458         }
5459
5460         if (null_timespec(ft->atime)) {
5461                 action &= ~FILE_NOTIFY_CHANGE_LAST_ACCESS;
5462         }
5463
5464         if (null_timespec(ft->mtime)) {
5465                 action &= ~FILE_NOTIFY_CHANGE_LAST_WRITE;
5466         }
5467
5468         if (!setting_write_time) {
5469                 /* ft->mtime comes from change time, not write time. */
5470                 action &= ~FILE_NOTIFY_CHANGE_LAST_WRITE;
5471         }
5472
5473         /* Ensure the resolution is the correct for
5474          * what we can store on this filesystem. */
5475
5476         round_timespec(conn->ts_res, &ft->create_time);
5477         round_timespec(conn->ts_res, &ft->ctime);
5478         round_timespec(conn->ts_res, &ft->atime);
5479         round_timespec(conn->ts_res, &ft->mtime);
5480
5481         DEBUG(5,("smb_set_filetime: actime: %s\n ",
5482                 time_to_asc(convert_timespec_to_time_t(ft->atime))));
5483         DEBUG(5,("smb_set_filetime: modtime: %s\n ",
5484                 time_to_asc(convert_timespec_to_time_t(ft->mtime))));
5485         DEBUG(5,("smb_set_filetime: ctime: %s\n ",
5486                 time_to_asc(convert_timespec_to_time_t(ft->ctime))));
5487         DEBUG(5,("smb_set_file_time: createtime: %s\n ",
5488                 time_to_asc(convert_timespec_to_time_t(ft->create_time))));
5489
5490         if (setting_write_time) {
5491                 /*
5492                  * This was a Windows setfileinfo on an open file.
5493                  * NT does this a lot. We also need to
5494                  * set the time here, as it can be read by
5495                  * FindFirst/FindNext and with the patch for bug #2045
5496                  * in smbd/fileio.c it ensures that this timestamp is
5497                  * kept sticky even after a write. We save the request
5498                  * away and will set it on file close and after a write. JRA.
5499                  */
5500
5501                 DEBUG(10,("smb_set_file_time: setting pending modtime to %s\n",
5502                           time_to_asc(convert_timespec_to_time_t(ft->mtime))));
5503
5504                 if (fsp != NULL) {
5505                         if (fsp->base_fsp) {
5506                                 set_sticky_write_time_fsp(fsp->base_fsp,
5507                                                           ft->mtime);
5508                         } else {
5509                                 set_sticky_write_time_fsp(fsp, ft->mtime);
5510                         }
5511                 } else {
5512                         set_sticky_write_time_path(
5513                                 vfs_file_id_from_sbuf(conn, &smb_fname->st),
5514                                 ft->mtime);
5515                 }
5516         }
5517
5518         DEBUG(10,("smb_set_file_time: setting utimes to modified values.\n"));
5519
5520         /* Always call ntimes on the base, even if a stream was passed in. */
5521         smb_fname_base = *smb_fname;
5522         smb_fname_base.stream_name = NULL;
5523
5524         if(file_ntimes(conn, &smb_fname_base, ft)!=0) {
5525                 return map_nt_error_from_unix(errno);
5526         }
5527
5528         notify_fname(conn, NOTIFY_ACTION_MODIFIED, action,
5529                      smb_fname->base_name);
5530         return NT_STATUS_OK;
5531 }
5532
5533 /****************************************************************************
5534  Deal with setting the dosmode from any of the setfilepathinfo functions.
5535 ****************************************************************************/
5536
5537 static NTSTATUS smb_set_file_dosmode(connection_struct *conn,
5538                                      const struct smb_filename *smb_fname,
5539                                      uint32 dosmode)
5540 {
5541         struct smb_filename *smb_fname_base = NULL;
5542         NTSTATUS status;
5543
5544         if (!VALID_STAT(smb_fname->st)) {
5545                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5546         }
5547
5548         /* Always operate on the base_name, even if a stream was passed in. */
5549         status = create_synthetic_smb_fname(talloc_tos(), smb_fname->base_name,
5550                                             NULL, &smb_fname->st,
5551                                             &smb_fname_base);
5552         if (!NT_STATUS_IS_OK(status)) {
5553                 return status;
5554         }
5555
5556         if (dosmode) {
5557                 if (S_ISDIR(smb_fname_base->st.st_ex_mode)) {
5558                         dosmode |= FILE_ATTRIBUTE_DIRECTORY;
5559                 } else {
5560                         dosmode &= ~FILE_ATTRIBUTE_DIRECTORY;
5561                 }
5562         }
5563
5564         DEBUG(6,("smb_set_file_dosmode: dosmode: 0x%x\n", (unsigned int)dosmode));
5565
5566         /* check the mode isn't different, before changing it */
5567         if ((dosmode != 0) && (dosmode != dos_mode(conn, smb_fname_base))) {
5568                 DEBUG(10,("smb_set_file_dosmode: file %s : setting dos mode "
5569                           "0x%x\n", smb_fname_str_dbg(smb_fname_base),
5570                           (unsigned int)dosmode));
5571
5572                 if(file_set_dosmode(conn, smb_fname_base, dosmode, NULL,
5573                                     false)) {
5574                         DEBUG(2,("smb_set_file_dosmode: file_set_dosmode of "
5575                                  "%s failed (%s)\n",
5576                                  smb_fname_str_dbg(smb_fname_base),
5577                                  strerror(errno)));
5578                         status = map_nt_error_from_unix(errno);
5579                         goto out;
5580                 }
5581         }
5582         status = NT_STATUS_OK;
5583  out:
5584         TALLOC_FREE(smb_fname_base);
5585         return status;
5586 }
5587
5588 /****************************************************************************
5589  Deal with setting the size from any of the setfilepathinfo functions.
5590 ****************************************************************************/
5591
5592 static NTSTATUS smb_set_file_size(connection_struct *conn,
5593                                   struct smb_request *req,
5594                                   files_struct *fsp,
5595                                   const struct smb_filename *smb_fname,
5596                                   const SMB_STRUCT_STAT *psbuf,
5597                                   SMB_OFF_T size,
5598                                   bool fail_after_createfile)
5599 {
5600         NTSTATUS status = NT_STATUS_OK;
5601         struct smb_filename *smb_fname_tmp = NULL;
5602         files_struct *new_fsp = NULL;
5603
5604         if (!VALID_STAT(*psbuf)) {
5605                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5606         }
5607
5608         if (fsp && !(fsp->access_mask & FILE_WRITE_DATA)) {
5609                 return NT_STATUS_ACCESS_DENIED;
5610         }
5611
5612         DEBUG(6,("smb_set_file_size: size: %.0f ", (double)size));
5613
5614         if (size == get_file_size_stat(psbuf)) {
5615                 return NT_STATUS_OK;
5616         }
5617
5618         DEBUG(10,("smb_set_file_size: file %s : setting new size to %.0f\n",
5619                   smb_fname_str_dbg(smb_fname), (double)size));
5620
5621         if (fsp && fsp->fh->fd != -1) {
5622                 /* Handle based call. */
5623                 if (vfs_set_filelen(fsp, size) == -1) {
5624                         return map_nt_error_from_unix(errno);
5625                 }
5626                 trigger_write_time_update_immediate(fsp);
5627                 return NT_STATUS_OK;
5628         }
5629
5630         status = copy_smb_filename(talloc_tos(), smb_fname, &smb_fname_tmp);
5631         if (!NT_STATUS_IS_OK(status)) {
5632                 return status;
5633         }
5634
5635         smb_fname_tmp->st = *psbuf;
5636
5637         status = SMB_VFS_CREATE_FILE(
5638                 conn,                                   /* conn */
5639                 req,                                    /* req */
5640                 0,                                      /* root_dir_fid */
5641                 smb_fname_tmp,                          /* fname */
5642                 FILE_WRITE_DATA,                        /* access_mask */
5643                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
5644                     FILE_SHARE_DELETE),
5645                 FILE_OPEN,                              /* create_disposition*/
5646                 0,                                      /* create_options */
5647                 FILE_ATTRIBUTE_NORMAL,                  /* file_attributes */
5648                 FORCE_OPLOCK_BREAK_TO_NONE,             /* oplock_request */
5649                 0,                                      /* allocation_size */
5650                 0,                                      /* private_flags */
5651                 NULL,                                   /* sd */
5652                 NULL,                                   /* ea_list */
5653                 &new_fsp,                               /* result */
5654                 NULL);                                  /* pinfo */
5655
5656         TALLOC_FREE(smb_fname_tmp);
5657
5658         if (!NT_STATUS_IS_OK(status)) {
5659                 /* NB. We check for open_was_deferred in the caller. */
5660                 return status;
5661         }
5662
5663         /* See RAW-SFILEINFO-END-OF-FILE */
5664         if (fail_after_createfile) {
5665                 close_file(req, new_fsp,NORMAL_CLOSE);
5666                 return NT_STATUS_INVALID_LEVEL;
5667         }
5668
5669         if (vfs_set_filelen(new_fsp, size) == -1) {
5670                 status = map_nt_error_from_unix(errno);
5671                 close_file(req, new_fsp,NORMAL_CLOSE);
5672                 return status;
5673         }
5674
5675         trigger_write_time_update_immediate(new_fsp);
5676         close_file(req, new_fsp,NORMAL_CLOSE);
5677         return NT_STATUS_OK;
5678 }
5679
5680 /****************************************************************************
5681  Deal with SMB_INFO_SET_EA.
5682 ****************************************************************************/
5683
5684 static NTSTATUS smb_info_set_ea(connection_struct *conn,
5685                                 const char *pdata,
5686                                 int total_data,
5687                                 files_struct *fsp,
5688                                 const struct smb_filename *smb_fname)
5689 {
5690         struct ea_list *ea_list = NULL;
5691         TALLOC_CTX *ctx = NULL;
5692         NTSTATUS status = NT_STATUS_OK;
5693
5694         if (total_data < 10) {
5695
5696                 /* OS/2 workplace shell seems to send SET_EA requests of "null"
5697                    length. They seem to have no effect. Bug #3212. JRA */
5698
5699                 if ((total_data == 4) && (IVAL(pdata,0) == 4)) {
5700                         /* We're done. We only get EA info in this call. */
5701                         return NT_STATUS_OK;
5702                 }
5703
5704                 return NT_STATUS_INVALID_PARAMETER;
5705         }
5706
5707         if (IVAL(pdata,0) > total_data) {
5708                 DEBUG(10,("smb_info_set_ea: bad total data size (%u) > %u\n",
5709                         IVAL(pdata,0), (unsigned int)total_data));
5710                 return NT_STATUS_INVALID_PARAMETER;
5711         }
5712
5713         ctx = talloc_tos();
5714         ea_list = read_ea_list(ctx, pdata + 4, total_data - 4);
5715         if (!ea_list) {
5716                 return NT_STATUS_INVALID_PARAMETER;
5717         }
5718
5719         if (fsp && !(fsp->access_mask & FILE_WRITE_EA)) {
5720                 return NT_STATUS_ACCESS_DENIED;
5721         }
5722
5723         status = set_ea(conn, fsp, smb_fname, ea_list);
5724
5725         return status;
5726 }
5727
5728 /****************************************************************************
5729  Deal with SMB_FILE_FULL_EA_INFORMATION set.
5730 ****************************************************************************/
5731
5732 static NTSTATUS smb_set_file_full_ea_info(connection_struct *conn,
5733                                 const char *pdata,
5734                                 int total_data,
5735                                 files_struct *fsp)
5736 {
5737         struct ea_list *ea_list = NULL;
5738         NTSTATUS status;
5739
5740         if (!fsp) {
5741                 return NT_STATUS_INVALID_HANDLE;
5742         }
5743
5744         if (!lp_ea_support(SNUM(conn))) {
5745                 DEBUG(10, ("smb_set_file_full_ea_info - ea_len = %u but "
5746                         "EA's not supported.\n",
5747                         (unsigned int)total_data));
5748                 return NT_STATUS_EAS_NOT_SUPPORTED;
5749         }
5750
5751         if (total_data < 10) {
5752                 DEBUG(10, ("smb_set_file_full_ea_info - ea_len = %u "
5753                         "too small.\n",
5754                         (unsigned int)total_data));
5755                 return NT_STATUS_INVALID_PARAMETER;
5756         }
5757
5758         ea_list = read_nttrans_ea_list(talloc_tos(),
5759                                 pdata,
5760                                 total_data);
5761
5762         if (!ea_list) {
5763                 return NT_STATUS_INVALID_PARAMETER;
5764         }
5765
5766         if (fsp && !(fsp->access_mask & FILE_WRITE_EA)) {
5767                 return NT_STATUS_ACCESS_DENIED;
5768         }
5769
5770         status = set_ea(conn, fsp, fsp->fsp_name, ea_list);
5771
5772         DEBUG(10, ("smb_set_file_full_ea_info on file %s returned %s\n",
5773                 smb_fname_str_dbg(fsp->fsp_name),
5774                 nt_errstr(status) ));
5775
5776         return status;
5777 }
5778
5779
5780 /****************************************************************************
5781  Deal with SMB_SET_FILE_DISPOSITION_INFO.
5782 ****************************************************************************/
5783
5784 static NTSTATUS smb_set_file_disposition_info(connection_struct *conn,
5785                                 const char *pdata,
5786                                 int total_data,
5787                                 files_struct *fsp,
5788                                 struct smb_filename *smb_fname)
5789 {
5790         NTSTATUS status = NT_STATUS_OK;
5791         bool delete_on_close;
5792         uint32 dosmode = 0;
5793
5794         if (total_data < 1) {
5795                 return NT_STATUS_INVALID_PARAMETER;
5796         }
5797
5798         if (fsp == NULL) {
5799                 return NT_STATUS_INVALID_HANDLE;
5800         }
5801
5802         delete_on_close = (CVAL(pdata,0) ? True : False);
5803         dosmode = dos_mode(conn, smb_fname);
5804
5805         DEBUG(10,("smb_set_file_disposition_info: file %s, dosmode = %u, "
5806                 "delete_on_close = %u\n",
5807                 smb_fname_str_dbg(smb_fname),
5808                 (unsigned int)dosmode,
5809                 (unsigned int)delete_on_close ));
5810
5811         if (delete_on_close) {
5812                 status = can_set_delete_on_close(fsp, dosmode);
5813                 if (!NT_STATUS_IS_OK(status)) {
5814                         return status;
5815                 }
5816         }
5817
5818         /* The set is across all open files on this dev/inode pair. */
5819         if (!set_delete_on_close(fsp, delete_on_close,
5820                                  &conn->session_info->utok)) {
5821                 return NT_STATUS_ACCESS_DENIED;
5822         }
5823         return NT_STATUS_OK;
5824 }
5825
5826 /****************************************************************************
5827  Deal with SMB_FILE_POSITION_INFORMATION.
5828 ****************************************************************************/
5829
5830 static NTSTATUS smb_file_position_information(connection_struct *conn,
5831                                 const char *pdata,
5832                                 int total_data,
5833                                 files_struct *fsp)
5834 {
5835         uint64_t position_information;
5836
5837         if (total_data < 8) {
5838                 return NT_STATUS_INVALID_PARAMETER;
5839         }
5840
5841         if (fsp == NULL) {
5842                 /* Ignore on pathname based set. */
5843                 return NT_STATUS_OK;
5844         }
5845
5846         position_information = (uint64_t)IVAL(pdata,0);
5847 #ifdef LARGE_SMB_OFF_T
5848         position_information |= (((uint64_t)IVAL(pdata,4)) << 32);
5849 #else /* LARGE_SMB_OFF_T */
5850         if (IVAL(pdata,4) != 0) {
5851                 /* more than 32 bits? */
5852                 return NT_STATUS_INVALID_PARAMETER;
5853         }
5854 #endif /* LARGE_SMB_OFF_T */
5855
5856         DEBUG(10,("smb_file_position_information: Set file position "
5857                   "information for file %s to %.0f\n", fsp_str_dbg(fsp),
5858                   (double)position_information));
5859         fsp->fh->position_information = position_information;
5860         return NT_STATUS_OK;
5861 }
5862
5863 /****************************************************************************
5864  Deal with SMB_FILE_MODE_INFORMATION.
5865 ****************************************************************************/
5866
5867 static NTSTATUS smb_file_mode_information(connection_struct *conn,
5868                                 const char *pdata,
5869                                 int total_data)
5870 {
5871         uint32 mode;
5872
5873         if (total_data < 4) {
5874                 return NT_STATUS_INVALID_PARAMETER;
5875         }
5876         mode = IVAL(pdata,0);
5877         if (mode != 0 && mode != 2 && mode != 4 && mode != 6) {
5878                 return NT_STATUS_INVALID_PARAMETER;
5879         }
5880         return NT_STATUS_OK;
5881 }
5882
5883 /****************************************************************************
5884  Deal with SMB_SET_FILE_UNIX_LINK (create a UNIX symlink).
5885 ****************************************************************************/
5886
5887 static NTSTATUS smb_set_file_unix_link(connection_struct *conn,
5888                                        struct smb_request *req,
5889                                        const char *pdata,
5890                                        int total_data,
5891                                        const struct smb_filename *smb_fname)
5892 {
5893         char *link_target = NULL;
5894         const char *newname = smb_fname->base_name;
5895         TALLOC_CTX *ctx = talloc_tos();
5896
5897         /* Set a symbolic link. */
5898         /* Don't allow this if follow links is false. */
5899
5900         if (total_data == 0) {
5901                 return NT_STATUS_INVALID_PARAMETER;
5902         }
5903
5904         if (!lp_symlinks(SNUM(conn))) {
5905                 return NT_STATUS_ACCESS_DENIED;
5906         }
5907
5908         srvstr_pull_talloc(ctx, pdata, req->flags2, &link_target, pdata,
5909                     total_data, STR_TERMINATE);
5910
5911         if (!link_target) {
5912                 return NT_STATUS_INVALID_PARAMETER;
5913         }
5914
5915         DEBUG(10,("smb_set_file_unix_link: SMB_SET_FILE_UNIX_LINK doing symlink %s -> %s\n",
5916                         newname, link_target ));
5917
5918         if (SMB_VFS_SYMLINK(conn,link_target,newname) != 0) {
5919                 return map_nt_error_from_unix(errno);
5920         }
5921
5922         return NT_STATUS_OK;
5923 }
5924
5925 /****************************************************************************
5926  Deal with SMB_SET_FILE_UNIX_HLINK (create a UNIX hard link).
5927 ****************************************************************************/
5928
5929 static NTSTATUS smb_set_file_unix_hlink(connection_struct *conn,
5930                                         struct smb_request *req,
5931                                         const char *pdata, int total_data,
5932                                         struct smb_filename *smb_fname_new)
5933 {
5934         char *oldname = NULL;
5935         struct smb_filename *smb_fname_old = NULL;
5936         TALLOC_CTX *ctx = talloc_tos();
5937         NTSTATUS status = NT_STATUS_OK;
5938
5939         /* Set a hard link. */
5940         if (total_data == 0) {
5941                 return NT_STATUS_INVALID_PARAMETER;
5942         }
5943
5944         srvstr_get_path(ctx, pdata, req->flags2, &oldname, pdata,
5945                         total_data, STR_TERMINATE, &status);
5946         if (!NT_STATUS_IS_OK(status)) {
5947                 return status;
5948         }
5949
5950         DEBUG(10,("smb_set_file_unix_hlink: SMB_SET_FILE_UNIX_LINK doing hard link %s -> %s\n",
5951                 smb_fname_str_dbg(smb_fname_new), oldname));
5952
5953         status = filename_convert(ctx,
5954                                 conn,
5955                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
5956                                 oldname,
5957                                 0,
5958                                 NULL,
5959                                 &smb_fname_old);
5960         if (!NT_STATUS_IS_OK(status)) {
5961                 return status;
5962         }
5963
5964         return hardlink_internals(ctx, conn, req, false,
5965                         smb_fname_old, smb_fname_new);
5966 }
5967
5968 /****************************************************************************
5969  Deal with SMB2_FILE_RENAME_INFORMATION_INTERNAL
5970 ****************************************************************************/
5971
5972 static NTSTATUS smb2_file_rename_information(connection_struct *conn,
5973                                             struct smb_request *req,
5974                                             const char *pdata,
5975                                             int total_data,
5976                                             files_struct *fsp,
5977                                             struct smb_filename *smb_fname_src)
5978 {
5979         bool overwrite;
5980         uint32_t len;
5981         char *newname = NULL;
5982         struct smb_filename *smb_fname_dst = NULL;
5983         NTSTATUS status = NT_STATUS_OK;
5984         TALLOC_CTX *ctx = talloc_tos();
5985
5986         if (!fsp) {
5987                 return NT_STATUS_INVALID_HANDLE;
5988         }
5989
5990         if (total_data < 20) {
5991                 return NT_STATUS_INVALID_PARAMETER;
5992         }
5993
5994         overwrite = (CVAL(pdata,0) ? True : False);
5995         len = IVAL(pdata,16);
5996
5997         if (len > (total_data - 20) || (len == 0)) {
5998                 return NT_STATUS_INVALID_PARAMETER;
5999         }
6000
6001         srvstr_get_path(ctx, pdata, req->flags2, &newname,
6002                                 &pdata[20], len, STR_TERMINATE,
6003                                 &status);
6004         if (!NT_STATUS_IS_OK(status)) {
6005                 return status;
6006         }
6007
6008         DEBUG(10,("smb2_file_rename_information: got name |%s|\n",
6009                                 newname));
6010
6011         status = filename_convert(ctx,
6012                                 conn,
6013                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
6014                                 newname,
6015                                 UCF_SAVE_LCOMP,
6016                                 NULL,
6017                                 &smb_fname_dst);
6018         if (!NT_STATUS_IS_OK(status)) {
6019                 return status;
6020         }
6021
6022         if (fsp->base_fsp) {
6023                 /* newname must be a stream name. */
6024                 if (newname[0] != ':') {
6025                         return NT_STATUS_NOT_SUPPORTED;
6026                 }
6027
6028                 /* Create an smb_fname to call rename_internals_fsp() with. */
6029                 status = create_synthetic_smb_fname(talloc_tos(),
6030                     fsp->base_fsp->fsp_name->base_name, newname, NULL,
6031                     &smb_fname_dst);
6032                 if (!NT_STATUS_IS_OK(status)) {
6033                         goto out;
6034                 }
6035
6036                 /*
6037                  * Set the original last component, since
6038                  * rename_internals_fsp() requires it.
6039                  */
6040                 smb_fname_dst->original_lcomp = talloc_strdup(smb_fname_dst,
6041                                                               newname);
6042                 if (smb_fname_dst->original_lcomp == NULL) {
6043                         status = NT_STATUS_NO_MEMORY;
6044                         goto out;
6045                 }
6046
6047         }
6048
6049         DEBUG(10,("smb2_file_rename_information: "
6050                   "SMB_FILE_RENAME_INFORMATION (fnum %d) %s -> %s\n",
6051                   fsp->fnum, fsp_str_dbg(fsp),
6052                   smb_fname_str_dbg(smb_fname_dst)));
6053         status = rename_internals_fsp(conn, fsp, smb_fname_dst, 0,
6054                                       overwrite);
6055
6056  out:
6057         TALLOC_FREE(smb_fname_dst);
6058         return status;
6059 }
6060
6061 static NTSTATUS smb_file_link_information(connection_struct *conn,
6062                                             struct smb_request *req,
6063                                             const char *pdata,
6064                                             int total_data,
6065                                             files_struct *fsp,
6066                                             struct smb_filename *smb_fname_src)
6067 {
6068         bool overwrite;
6069         uint32_t len;
6070         char *newname = NULL;
6071         struct smb_filename *smb_fname_dst = NULL;
6072         NTSTATUS status = NT_STATUS_OK;
6073         TALLOC_CTX *ctx = talloc_tos();
6074
6075         if (!fsp) {
6076                 return NT_STATUS_INVALID_HANDLE;
6077         }
6078
6079         if (total_data < 20) {
6080                 return NT_STATUS_INVALID_PARAMETER;
6081         }
6082
6083         overwrite = (CVAL(pdata,0) ? true : false);
6084         len = IVAL(pdata,16);
6085
6086         if (len > (total_data - 20) || (len == 0)) {
6087                 return NT_STATUS_INVALID_PARAMETER;
6088         }
6089
6090         srvstr_get_path(ctx, pdata, req->flags2, &newname,
6091                                 &pdata[20], len, STR_TERMINATE,
6092                                 &status);
6093         if (!NT_STATUS_IS_OK(status)) {
6094                 return status;
6095         }
6096
6097         DEBUG(10,("smb_file_link_information: got name |%s|\n",
6098                                 newname));
6099
6100         status = filename_convert(ctx,
6101                                 conn,
6102                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
6103                                 newname,
6104                                 UCF_SAVE_LCOMP,
6105                                 NULL,
6106                                 &smb_fname_dst);
6107         if (!NT_STATUS_IS_OK(status)) {
6108                 return status;
6109         }
6110
6111         if (fsp->base_fsp) {
6112                 /* No stream names. */
6113                 return NT_STATUS_NOT_SUPPORTED;
6114         }
6115
6116         DEBUG(10,("smb_file_link_information: "
6117                   "SMB_FILE_LINK_INFORMATION (fnum %d) %s -> %s\n",
6118                   fsp->fnum, fsp_str_dbg(fsp),
6119                   smb_fname_str_dbg(smb_fname_dst)));
6120         status = hardlink_internals(ctx,
6121                                 conn,
6122                                 req,
6123                                 overwrite,
6124                                 fsp->fsp_name,
6125                                 smb_fname_dst);
6126
6127         TALLOC_FREE(smb_fname_dst);
6128         return status;
6129 }
6130
6131 /****************************************************************************
6132  Deal with SMB_FILE_RENAME_INFORMATION.
6133 ****************************************************************************/
6134
6135 static NTSTATUS smb_file_rename_information(connection_struct *conn,
6136                                             struct smb_request *req,
6137                                             const char *pdata,
6138                                             int total_data,
6139                                             files_struct *fsp,
6140                                             struct smb_filename *smb_fname_src)
6141 {
6142         bool overwrite;
6143         uint32 root_fid;
6144         uint32 len;
6145         char *newname = NULL;
6146         struct smb_filename *smb_fname_dst = NULL;
6147         bool dest_has_wcard = False;
6148         NTSTATUS status = NT_STATUS_OK;
6149         char *p;
6150         TALLOC_CTX *ctx = talloc_tos();
6151
6152         if (total_data < 13) {
6153                 return NT_STATUS_INVALID_PARAMETER;
6154         }
6155
6156         overwrite = (CVAL(pdata,0) ? True : False);
6157         root_fid = IVAL(pdata,4);
6158         len = IVAL(pdata,8);
6159
6160         if (len > (total_data - 12) || (len == 0) || (root_fid != 0)) {
6161                 return NT_STATUS_INVALID_PARAMETER;
6162         }
6163
6164         srvstr_get_path_wcard(ctx, pdata, req->flags2, &newname, &pdata[12],
6165                               len, 0, &status,
6166                               &dest_has_wcard);
6167         if (!NT_STATUS_IS_OK(status)) {
6168                 return status;
6169         }
6170
6171         DEBUG(10,("smb_file_rename_information: got name |%s|\n",
6172                                 newname));
6173
6174         status = resolve_dfspath_wcard(ctx, conn,
6175                                        req->flags2 & FLAGS2_DFS_PATHNAMES,
6176                                        newname,
6177                                        true,
6178                                        &newname,
6179                                        &dest_has_wcard);
6180         if (!NT_STATUS_IS_OK(status)) {
6181                 return status;
6182         }
6183
6184         /* Check the new name has no '/' characters. */
6185         if (strchr_m(newname, '/')) {
6186                 return NT_STATUS_NOT_SUPPORTED;
6187         }
6188
6189         if (fsp && fsp->base_fsp) {
6190                 /* newname must be a stream name. */
6191                 if (newname[0] != ':') {
6192                         return NT_STATUS_NOT_SUPPORTED;
6193                 }
6194
6195                 /* Create an smb_fname to call rename_internals_fsp() with. */
6196                 status = create_synthetic_smb_fname(talloc_tos(),
6197                     fsp->base_fsp->fsp_name->base_name, newname, NULL,
6198                     &smb_fname_dst);
6199                 if (!NT_STATUS_IS_OK(status)) {
6200                         goto out;
6201                 }
6202
6203                 /*
6204                  * Set the original last component, since
6205                  * rename_internals_fsp() requires it.
6206                  */
6207                 smb_fname_dst->original_lcomp = talloc_strdup(smb_fname_dst,
6208                                                               newname);
6209                 if (smb_fname_dst->original_lcomp == NULL) {
6210                         status = NT_STATUS_NO_MEMORY;
6211                         goto out;
6212                 }
6213
6214         } else {
6215                 /*
6216                  * Build up an smb_fname_dst based on the filename passed in.
6217                  * We basically just strip off the last component, and put on
6218                  * the newname instead.
6219                  */
6220                 char *base_name = NULL;
6221
6222                 /* newname must *not* be a stream name. */
6223                 if (newname[0] == ':') {
6224                         return NT_STATUS_NOT_SUPPORTED;
6225                 }
6226
6227                 /*
6228                  * Strip off the last component (filename) of the path passed
6229                  * in.
6230                  */
6231                 base_name = talloc_strdup(ctx, smb_fname_src->base_name);
6232                 if (!base_name) {
6233                         return NT_STATUS_NO_MEMORY;
6234                 }
6235                 p = strrchr_m(base_name, '/');
6236                 if (p) {
6237                         p[1] = '\0';
6238                 } else {
6239                         base_name = talloc_strdup(ctx, "");
6240                         if (!base_name) {
6241                                 return NT_STATUS_NO_MEMORY;
6242                         }
6243                 }
6244                 /* Append the new name. */
6245                 base_name = talloc_asprintf_append(base_name,
6246                                 "%s",
6247                                 newname);
6248                 if (!base_name) {
6249                         return NT_STATUS_NO_MEMORY;
6250                 }
6251
6252                 status = unix_convert(ctx, conn, base_name, &smb_fname_dst,
6253                                       (UCF_SAVE_LCOMP |
6254                                           (dest_has_wcard ?
6255                                               UCF_ALWAYS_ALLOW_WCARD_LCOMP :
6256                                               0)));
6257
6258                 /* If an error we expect this to be
6259                  * NT_STATUS_OBJECT_PATH_NOT_FOUND */
6260
6261                 if (!NT_STATUS_IS_OK(status)) {
6262                         if(!NT_STATUS_EQUAL(NT_STATUS_OBJECT_PATH_NOT_FOUND,
6263                                             status)) {
6264                                 goto out;
6265                         }
6266                         /* Create an smb_fname to call rename_internals_fsp() */
6267                         status = create_synthetic_smb_fname(ctx,
6268                                                             base_name, NULL,
6269                                                             NULL,
6270                                                             &smb_fname_dst);
6271                         if (!NT_STATUS_IS_OK(status)) {
6272                                 goto out;
6273                         }
6274                 }
6275         }
6276
6277         if (fsp) {
6278                 DEBUG(10,("smb_file_rename_information: "
6279                           "SMB_FILE_RENAME_INFORMATION (fnum %d) %s -> %s\n",
6280                           fsp->fnum, fsp_str_dbg(fsp),
6281                           smb_fname_str_dbg(smb_fname_dst)));
6282                 status = rename_internals_fsp(conn, fsp, smb_fname_dst, 0,
6283                                               overwrite);
6284         } else {
6285                 DEBUG(10,("smb_file_rename_information: "
6286                           "SMB_FILE_RENAME_INFORMATION %s -> %s\n",
6287                           smb_fname_str_dbg(smb_fname_src),
6288                           smb_fname_str_dbg(smb_fname_dst)));
6289                 status = rename_internals(ctx, conn, req, smb_fname_src,
6290                                           smb_fname_dst, 0, overwrite, false,
6291                                           dest_has_wcard,
6292                                           FILE_WRITE_ATTRIBUTES);
6293         }
6294  out:
6295         TALLOC_FREE(smb_fname_dst);
6296         return status;
6297 }
6298
6299 /****************************************************************************
6300  Deal with SMB_SET_POSIX_ACL.
6301 ****************************************************************************/
6302
6303 #if defined(HAVE_POSIX_ACLS)
6304 static NTSTATUS smb_set_posix_acl(connection_struct *conn,
6305                                 const char *pdata,
6306                                 int total_data,
6307                                 files_struct *fsp,
6308                                 const struct smb_filename *smb_fname)
6309 {
6310         uint16 posix_acl_version;
6311         uint16 num_file_acls;
6312         uint16 num_def_acls;
6313         bool valid_file_acls = True;
6314         bool valid_def_acls = True;
6315
6316         if (total_data < SMB_POSIX_ACL_HEADER_SIZE) {
6317                 return NT_STATUS_INVALID_PARAMETER;
6318         }
6319         posix_acl_version = SVAL(pdata,0);
6320         num_file_acls = SVAL(pdata,2);
6321         num_def_acls = SVAL(pdata,4);
6322
6323         if (num_file_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) {
6324                 valid_file_acls = False;
6325                 num_file_acls = 0;
6326         }
6327
6328         if (num_def_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) {
6329                 valid_def_acls = False;
6330                 num_def_acls = 0;
6331         }
6332
6333         if (posix_acl_version != SMB_POSIX_ACL_VERSION) {
6334                 return NT_STATUS_INVALID_PARAMETER;
6335         }
6336
6337         if (total_data < SMB_POSIX_ACL_HEADER_SIZE +
6338                         (num_file_acls+num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE) {
6339                 return NT_STATUS_INVALID_PARAMETER;
6340         }
6341
6342         DEBUG(10,("smb_set_posix_acl: file %s num_file_acls = %u, num_def_acls = %u\n",
6343                 smb_fname ? smb_fname_str_dbg(smb_fname) : fsp_str_dbg(fsp),
6344                 (unsigned int)num_file_acls,
6345                 (unsigned int)num_def_acls));
6346
6347         if (valid_file_acls && !set_unix_posix_acl(conn, fsp,
6348                 smb_fname->base_name, num_file_acls,
6349                 pdata + SMB_POSIX_ACL_HEADER_SIZE)) {
6350                 return map_nt_error_from_unix(errno);
6351         }
6352
6353         if (valid_def_acls && !set_unix_posix_default_acl(conn,
6354                 smb_fname->base_name, &smb_fname->st, num_def_acls,
6355                 pdata + SMB_POSIX_ACL_HEADER_SIZE +
6356                 (num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE))) {
6357                 return map_nt_error_from_unix(errno);
6358         }
6359         return NT_STATUS_OK;
6360 }
6361 #endif
6362
6363 /****************************************************************************
6364  Deal with SMB_SET_POSIX_LOCK.
6365 ****************************************************************************/
6366
6367 static NTSTATUS smb_set_posix_lock(connection_struct *conn,
6368                                 struct smb_request *req,
6369                                 const char *pdata,
6370                                 int total_data,
6371                                 files_struct *fsp)
6372 {
6373         uint64_t count;
6374         uint64_t offset;
6375         uint64_t smblctx;
6376         bool blocking_lock = False;
6377         enum brl_type lock_type;
6378
6379         NTSTATUS status = NT_STATUS_OK;
6380
6381         if (fsp == NULL || fsp->fh->fd == -1) {
6382                 return NT_STATUS_INVALID_HANDLE;
6383         }
6384
6385         if (total_data != POSIX_LOCK_DATA_SIZE) {
6386                 return NT_STATUS_INVALID_PARAMETER;
6387         }
6388
6389         switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) {
6390                 case POSIX_LOCK_TYPE_READ:
6391                         lock_type = READ_LOCK;
6392                         break;
6393                 case POSIX_LOCK_TYPE_WRITE:
6394                         /* Return the right POSIX-mappable error code for files opened read-only. */
6395                         if (!fsp->can_write) {
6396                                 return NT_STATUS_INVALID_HANDLE;
6397                         }
6398                         lock_type = WRITE_LOCK;
6399                         break;
6400                 case POSIX_LOCK_TYPE_UNLOCK:
6401                         lock_type = UNLOCK_LOCK;
6402                         break;
6403                 default:
6404                         return NT_STATUS_INVALID_PARAMETER;
6405         }
6406
6407         if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_NOWAIT) {
6408                 blocking_lock = False;
6409         } else if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_WAIT) {
6410                 blocking_lock = True;
6411         } else {
6412                 return NT_STATUS_INVALID_PARAMETER;
6413         }
6414
6415         if (!lp_blocking_locks(SNUM(conn))) {
6416                 blocking_lock = False;
6417         }
6418
6419         smblctx = (uint64_t)IVAL(pdata, POSIX_LOCK_PID_OFFSET);
6420 #if defined(HAVE_LONGLONG)
6421         offset = (((uint64_t) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) |
6422                         ((uint64_t) IVAL(pdata,POSIX_LOCK_START_OFFSET));
6423         count = (((uint64_t) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) |
6424                         ((uint64_t) IVAL(pdata,POSIX_LOCK_LEN_OFFSET));
6425 #else /* HAVE_LONGLONG */
6426         offset = (uint64_t)IVAL(pdata,POSIX_LOCK_START_OFFSET);
6427         count = (uint64_t)IVAL(pdata,POSIX_LOCK_LEN_OFFSET);
6428 #endif /* HAVE_LONGLONG */
6429
6430         DEBUG(10,("smb_set_posix_lock: file %s, lock_type = %u,"
6431                         "smblctx = %llu, count = %.0f, offset = %.0f\n",
6432                 fsp_str_dbg(fsp),
6433                 (unsigned int)lock_type,
6434                 (unsigned long long)smblctx,
6435                 (double)count,
6436                 (double)offset ));
6437
6438         if (lock_type == UNLOCK_LOCK) {
6439                 status = do_unlock(req->sconn->msg_ctx,
6440                                 fsp,
6441                                 smblctx,
6442                                 count,
6443                                 offset,
6444                                 POSIX_LOCK);
6445         } else {
6446                 uint64_t block_smblctx;
6447
6448                 struct byte_range_lock *br_lck = do_lock(req->sconn->msg_ctx,
6449                                                         fsp,
6450                                                         smblctx,
6451                                                         count,
6452                                                         offset,
6453                                                         lock_type,
6454                                                         POSIX_LOCK,
6455                                                         blocking_lock,
6456                                                         &status,
6457                                                         &block_smblctx,
6458                                                         NULL);
6459
6460                 if (br_lck && blocking_lock && ERROR_WAS_LOCK_DENIED(status)) {
6461                         /*
6462                          * A blocking lock was requested. Package up
6463                          * this smb into a queued request and push it
6464                          * onto the blocking lock queue.
6465                          */
6466                         if(push_blocking_lock_request(br_lck,
6467                                                 req,
6468                                                 fsp,
6469                                                 -1, /* infinite timeout. */
6470                                                 0,
6471                                                 smblctx,
6472                                                 lock_type,
6473                                                 POSIX_LOCK,
6474                                                 offset,
6475                                                 count,
6476                                                 block_smblctx)) {
6477                                 TALLOC_FREE(br_lck);
6478                                 return status;
6479                         }
6480                 }
6481                 TALLOC_FREE(br_lck);
6482         }
6483
6484         return status;
6485 }
6486
6487 /****************************************************************************
6488  Deal with SMB_SET_FILE_BASIC_INFO.
6489 ****************************************************************************/
6490
6491 static NTSTATUS smb_set_file_basic_info(connection_struct *conn,
6492                                         const char *pdata,
6493                                         int total_data,
6494                                         files_struct *fsp,
6495                                         const struct smb_filename *smb_fname)
6496 {
6497         /* Patch to do this correctly from Paul Eggert <eggert@twinsun.com>. */
6498         struct smb_file_time ft;
6499         uint32 dosmode = 0;
6500         NTSTATUS status = NT_STATUS_OK;
6501
6502         ZERO_STRUCT(ft);
6503
6504         if (total_data < 36) {
6505                 return NT_STATUS_INVALID_PARAMETER;
6506         }
6507
6508         if (fsp && !(fsp->access_mask & FILE_WRITE_ATTRIBUTES)) {
6509                 return NT_STATUS_ACCESS_DENIED;
6510         }
6511
6512         /* Set the attributes */
6513         dosmode = IVAL(pdata,32);
6514         status = smb_set_file_dosmode(conn, smb_fname, dosmode);
6515         if (!NT_STATUS_IS_OK(status)) {
6516                 return status;
6517         }
6518
6519         /* create time */
6520         ft.create_time = interpret_long_date(pdata);
6521
6522         /* access time */
6523         ft.atime = interpret_long_date(pdata+8);
6524
6525         /* write time. */
6526         ft.mtime = interpret_long_date(pdata+16);
6527
6528         /* change time. */
6529         ft.ctime = interpret_long_date(pdata+24);
6530
6531         DEBUG(10, ("smb_set_file_basic_info: file %s\n",
6532                    smb_fname_str_dbg(smb_fname)));
6533
6534         return smb_set_file_time(conn, fsp, smb_fname, &ft,
6535                                  true);
6536 }
6537
6538 /****************************************************************************
6539  Deal with SMB_INFO_STANDARD.
6540 ****************************************************************************/
6541
6542 static NTSTATUS smb_set_info_standard(connection_struct *conn,
6543                                         const char *pdata,
6544                                         int total_data,
6545                                         files_struct *fsp,
6546                                         const struct smb_filename *smb_fname)
6547 {
6548         struct smb_file_time ft;
6549
6550         ZERO_STRUCT(ft);
6551
6552         if (total_data < 12) {
6553                 return NT_STATUS_INVALID_PARAMETER;
6554         }
6555
6556         if (fsp && !(fsp->access_mask & FILE_WRITE_ATTRIBUTES)) {
6557                 return NT_STATUS_ACCESS_DENIED;
6558         }
6559
6560         /* create time */
6561         ft.create_time = convert_time_t_to_timespec(srv_make_unix_date2(pdata));
6562         /* access time */
6563         ft.atime = convert_time_t_to_timespec(srv_make_unix_date2(pdata+4));
6564         /* write time */
6565         ft.mtime = convert_time_t_to_timespec(srv_make_unix_date2(pdata+8));
6566
6567         DEBUG(10,("smb_set_info_standard: file %s\n",
6568                 smb_fname_str_dbg(smb_fname)));
6569
6570         return smb_set_file_time(conn,
6571                                 fsp,
6572                                 smb_fname,
6573                                 &ft,
6574                                 true);
6575 }
6576
6577 /****************************************************************************
6578  Deal with SMB_SET_FILE_ALLOCATION_INFO.
6579 ****************************************************************************/
6580
6581 static NTSTATUS smb_set_file_allocation_info(connection_struct *conn,
6582                                              struct smb_request *req,
6583                                         const char *pdata,
6584                                         int total_data,
6585                                         files_struct *fsp,
6586                                         struct smb_filename *smb_fname)
6587 {
6588         uint64_t allocation_size = 0;
6589         NTSTATUS status = NT_STATUS_OK;
6590         files_struct *new_fsp = NULL;
6591
6592         if (!VALID_STAT(smb_fname->st)) {
6593                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
6594         }
6595
6596         if (total_data < 8) {
6597                 return NT_STATUS_INVALID_PARAMETER;
6598         }
6599
6600         allocation_size = (uint64_t)IVAL(pdata,0);
6601 #ifdef LARGE_SMB_OFF_T
6602         allocation_size |= (((uint64_t)IVAL(pdata,4)) << 32);
6603 #else /* LARGE_SMB_OFF_T */
6604         if (IVAL(pdata,4) != 0) {
6605                 /* more than 32 bits? */
6606                 return NT_STATUS_INVALID_PARAMETER;
6607         }
6608 #endif /* LARGE_SMB_OFF_T */
6609
6610         DEBUG(10,("smb_set_file_allocation_info: Set file allocation info for "
6611                   "file %s to %.0f\n", smb_fname_str_dbg(smb_fname),
6612                   (double)allocation_size));
6613
6614         if (allocation_size) {
6615                 allocation_size = smb_roundup(conn, allocation_size);
6616         }
6617
6618         if (fsp && !(fsp->access_mask & FILE_WRITE_DATA)) {
6619                 return NT_STATUS_ACCESS_DENIED;
6620         }
6621
6622         DEBUG(10,("smb_set_file_allocation_info: file %s : setting new "
6623                   "allocation size to %.0f\n", smb_fname_str_dbg(smb_fname),
6624                   (double)allocation_size));
6625
6626         if (fsp && fsp->fh->fd != -1) {
6627                 /* Open file handle. */
6628                 /* Only change if needed. */
6629                 if (allocation_size != get_file_size_stat(&smb_fname->st)) {
6630                         if (vfs_allocate_file_space(fsp, allocation_size) == -1) {
6631                                 return map_nt_error_from_unix(errno);
6632                         }
6633                 }
6634                 /* But always update the time. */
6635                 /*
6636                  * This is equivalent to a write. Ensure it's seen immediately
6637                  * if there are no pending writes.
6638                  */
6639                 trigger_write_time_update_immediate(fsp);
6640                 return NT_STATUS_OK;
6641         }
6642
6643         /* Pathname or stat or directory file. */
6644         status = SMB_VFS_CREATE_FILE(
6645                 conn,                                   /* conn */
6646                 req,                                    /* req */
6647                 0,                                      /* root_dir_fid */
6648                 smb_fname,                              /* fname */
6649                 FILE_WRITE_DATA,                        /* access_mask */
6650                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
6651                     FILE_SHARE_DELETE),
6652                 FILE_OPEN,                              /* create_disposition*/
6653                 0,                                      /* create_options */
6654                 FILE_ATTRIBUTE_NORMAL,                  /* file_attributes */
6655                 FORCE_OPLOCK_BREAK_TO_NONE,             /* oplock_request */
6656                 0,                                      /* allocation_size */
6657                 0,                                      /* private_flags */
6658                 NULL,                                   /* sd */
6659                 NULL,                                   /* ea_list */
6660                 &new_fsp,                               /* result */
6661                 NULL);                                  /* pinfo */
6662
6663         if (!NT_STATUS_IS_OK(status)) {
6664                 /* NB. We check for open_was_deferred in the caller. */
6665                 return status;
6666         }
6667
6668         /* Only change if needed. */
6669         if (allocation_size != get_file_size_stat(&smb_fname->st)) {
6670                 if (vfs_allocate_file_space(new_fsp, allocation_size) == -1) {
6671                         status = map_nt_error_from_unix(errno);
6672                         close_file(req, new_fsp, NORMAL_CLOSE);
6673                         return status;
6674                 }
6675         }
6676
6677         /* Changing the allocation size should set the last mod time. */
6678         /*
6679          * This is equivalent to a write. Ensure it's seen immediately
6680          * if there are no pending writes.
6681          */
6682         trigger_write_time_update_immediate(new_fsp);
6683
6684         close_file(req, new_fsp, NORMAL_CLOSE);
6685         return NT_STATUS_OK;
6686 }
6687
6688 /****************************************************************************
6689  Deal with SMB_SET_FILE_END_OF_FILE_INFO.
6690 ****************************************************************************/
6691
6692 static NTSTATUS smb_set_file_end_of_file_info(connection_struct *conn,
6693                                               struct smb_request *req,
6694                                         const char *pdata,
6695                                         int total_data,
6696                                         files_struct *fsp,
6697                                         const struct smb_filename *smb_fname,
6698                                         bool fail_after_createfile)
6699 {
6700         SMB_OFF_T size;
6701
6702         if (total_data < 8) {
6703                 return NT_STATUS_INVALID_PARAMETER;
6704         }
6705
6706         size = IVAL(pdata,0);
6707 #ifdef LARGE_SMB_OFF_T
6708         size |= (((SMB_OFF_T)IVAL(pdata,4)) << 32);
6709 #else /* LARGE_SMB_OFF_T */
6710         if (IVAL(pdata,4) != 0) {
6711                 /* more than 32 bits? */
6712                 return NT_STATUS_INVALID_PARAMETER;
6713         }
6714 #endif /* LARGE_SMB_OFF_T */
6715         DEBUG(10,("smb_set_file_end_of_file_info: Set end of file info for "
6716                   "file %s to %.0f\n", smb_fname_str_dbg(smb_fname),
6717                   (double)size));
6718
6719         if (fsp && !(fsp->access_mask & FILE_WRITE_DATA)) {
6720                 return NT_STATUS_ACCESS_DENIED;
6721         }
6722
6723         return smb_set_file_size(conn, req,
6724                                 fsp,
6725                                 smb_fname,
6726                                 &smb_fname->st,
6727                                 size,
6728                                 fail_after_createfile);
6729 }
6730
6731 /****************************************************************************
6732  Allow a UNIX info mknod.
6733 ****************************************************************************/
6734
6735 static NTSTATUS smb_unix_mknod(connection_struct *conn,
6736                                         const char *pdata,
6737                                         int total_data,
6738                                         const struct smb_filename *smb_fname)
6739 {
6740         uint32 file_type = IVAL(pdata,56);
6741 #if defined(HAVE_MAKEDEV)
6742         uint32 dev_major = IVAL(pdata,60);
6743         uint32 dev_minor = IVAL(pdata,68);
6744 #endif
6745         SMB_DEV_T dev = (SMB_DEV_T)0;
6746         uint32 raw_unixmode = IVAL(pdata,84);
6747         NTSTATUS status;
6748         mode_t unixmode;
6749
6750         if (total_data < 100) {
6751                 return NT_STATUS_INVALID_PARAMETER;
6752         }
6753
6754         status = unix_perms_from_wire(conn, &smb_fname->st, raw_unixmode,
6755                                       PERM_NEW_FILE, &unixmode);
6756         if (!NT_STATUS_IS_OK(status)) {
6757                 return status;
6758         }
6759
6760 #if defined(HAVE_MAKEDEV)
6761         dev = makedev(dev_major, dev_minor);
6762 #endif
6763
6764         switch (file_type) {
6765 #if defined(S_IFIFO)
6766                 case UNIX_TYPE_FIFO:
6767                         unixmode |= S_IFIFO;
6768                         break;
6769 #endif
6770 #if defined(S_IFSOCK)
6771                 case UNIX_TYPE_SOCKET:
6772                         unixmode |= S_IFSOCK;
6773                         break;
6774 #endif
6775 #if defined(S_IFCHR)
6776                 case UNIX_TYPE_CHARDEV:
6777                         unixmode |= S_IFCHR;
6778                         break;
6779 #endif
6780 #if defined(S_IFBLK)
6781                 case UNIX_TYPE_BLKDEV:
6782                         unixmode |= S_IFBLK;
6783                         break;
6784 #endif
6785                 default:
6786                         return NT_STATUS_INVALID_PARAMETER;
6787         }
6788
6789         DEBUG(10,("smb_unix_mknod: SMB_SET_FILE_UNIX_BASIC doing mknod dev "
6790                   "%.0f mode 0%o for file %s\n", (double)dev,
6791                   (unsigned int)unixmode, smb_fname_str_dbg(smb_fname)));
6792
6793         /* Ok - do the mknod. */
6794         if (SMB_VFS_MKNOD(conn, smb_fname->base_name, unixmode, dev) != 0) {
6795                 return map_nt_error_from_unix(errno);
6796         }
6797
6798         /* If any of the other "set" calls fail we
6799          * don't want to end up with a half-constructed mknod.
6800          */
6801
6802         if (lp_inherit_perms(SNUM(conn))) {
6803                 char *parent;
6804                 if (!parent_dirname(talloc_tos(), smb_fname->base_name,
6805                                     &parent, NULL)) {
6806                         return NT_STATUS_NO_MEMORY;
6807                 }
6808                 inherit_access_posix_acl(conn, parent, smb_fname->base_name,
6809                                          unixmode);
6810                 TALLOC_FREE(parent);
6811         }
6812
6813         return NT_STATUS_OK;
6814 }
6815
6816 /****************************************************************************
6817  Deal with SMB_SET_FILE_UNIX_BASIC.
6818 ****************************************************************************/
6819
6820 static NTSTATUS smb_set_file_unix_basic(connection_struct *conn,
6821                                         struct smb_request *req,
6822                                         const char *pdata,
6823                                         int total_data,
6824                                         files_struct *fsp,
6825                                         const struct smb_filename *smb_fname)
6826 {
6827         struct smb_file_time ft;
6828         uint32 raw_unixmode;
6829         mode_t unixmode;
6830         SMB_OFF_T size = 0;
6831         uid_t set_owner = (uid_t)SMB_UID_NO_CHANGE;
6832         gid_t set_grp = (uid_t)SMB_GID_NO_CHANGE;
6833         NTSTATUS status = NT_STATUS_OK;
6834         bool delete_on_fail = False;
6835         enum perm_type ptype;
6836         files_struct *all_fsps = NULL;
6837         bool modify_mtime = true;
6838         struct file_id id;
6839         struct smb_filename *smb_fname_tmp = NULL;
6840         SMB_STRUCT_STAT sbuf;
6841
6842         ZERO_STRUCT(ft);
6843
6844         if (total_data < 100) {
6845                 return NT_STATUS_INVALID_PARAMETER;
6846         }
6847
6848         if(IVAL(pdata, 0) != SMB_SIZE_NO_CHANGE_LO &&
6849            IVAL(pdata, 4) != SMB_SIZE_NO_CHANGE_HI) {
6850                 size=IVAL(pdata,0); /* first 8 Bytes are size */
6851 #ifdef LARGE_SMB_OFF_T
6852                 size |= (((SMB_OFF_T)IVAL(pdata,4)) << 32);
6853 #else /* LARGE_SMB_OFF_T */
6854                 if (IVAL(pdata,4) != 0) {
6855                         /* more than 32 bits? */
6856                         return NT_STATUS_INVALID_PARAMETER;
6857                 }
6858 #endif /* LARGE_SMB_OFF_T */
6859         }
6860
6861         ft.atime = interpret_long_date(pdata+24); /* access_time */
6862         ft.mtime = interpret_long_date(pdata+32); /* modification_time */
6863         set_owner = (uid_t)IVAL(pdata,40);
6864         set_grp = (gid_t)IVAL(pdata,48);
6865         raw_unixmode = IVAL(pdata,84);
6866
6867         if (VALID_STAT(smb_fname->st)) {
6868                 if (S_ISDIR(smb_fname->st.st_ex_mode)) {
6869                         ptype = PERM_EXISTING_DIR;
6870                 } else {
6871                         ptype = PERM_EXISTING_FILE;
6872                 }
6873         } else {
6874                 ptype = PERM_NEW_FILE;
6875         }
6876
6877         status = unix_perms_from_wire(conn, &smb_fname->st, raw_unixmode,
6878                                       ptype, &unixmode);
6879         if (!NT_STATUS_IS_OK(status)) {
6880                 return status;
6881         }
6882
6883         DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC: name = "
6884                   "%s size = %.0f, uid = %u, gid = %u, raw perms = 0%o\n",
6885                   smb_fname_str_dbg(smb_fname), (double)size,
6886                   (unsigned int)set_owner, (unsigned int)set_grp,
6887                   (int)raw_unixmode));
6888
6889         sbuf = smb_fname->st;
6890
6891         if (!VALID_STAT(sbuf)) {
6892                 /*
6893                  * The only valid use of this is to create character and block
6894                  * devices, and named pipes. This is deprecated (IMHO) and
6895                  * a new info level should be used for mknod. JRA.
6896                  */
6897
6898                 status = smb_unix_mknod(conn,
6899                                         pdata,
6900                                         total_data,
6901                                         smb_fname);
6902                 if (!NT_STATUS_IS_OK(status)) {
6903                         return status;
6904                 }
6905
6906                 status = copy_smb_filename(talloc_tos(), smb_fname,
6907                                            &smb_fname_tmp);
6908                 if (!NT_STATUS_IS_OK(status)) {
6909                         return status;
6910                 }
6911
6912                 if (SMB_VFS_STAT(conn, smb_fname_tmp) != 0) {
6913                         status = map_nt_error_from_unix(errno);
6914                         TALLOC_FREE(smb_fname_tmp);
6915                         SMB_VFS_UNLINK(conn, smb_fname);
6916                         return status;
6917                 }
6918
6919                 sbuf = smb_fname_tmp->st;
6920                 smb_fname = smb_fname_tmp;
6921
6922                 /* Ensure we don't try and change anything else. */
6923                 raw_unixmode = SMB_MODE_NO_CHANGE;
6924                 size = get_file_size_stat(&sbuf);
6925                 ft.atime = sbuf.st_ex_atime;
6926                 ft.mtime = sbuf.st_ex_mtime;
6927                 /*
6928                  * We continue here as we might want to change the
6929                  * owner uid/gid.
6930                  */
6931                 delete_on_fail = True;
6932         }
6933
6934 #if 1
6935         /* Horrible backwards compatibility hack as an old server bug
6936          * allowed a CIFS client bug to remain unnoticed :-(. JRA.
6937          * */
6938
6939         if (!size) {
6940                 size = get_file_size_stat(&sbuf);
6941         }
6942 #endif
6943
6944         /*
6945          * Deal with the UNIX specific mode set.
6946          */
6947
6948         if (raw_unixmode != SMB_MODE_NO_CHANGE) {
6949                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC "
6950                           "setting mode 0%o for file %s\n",
6951                           (unsigned int)unixmode,
6952                           smb_fname_str_dbg(smb_fname)));
6953                 if (SMB_VFS_CHMOD(conn, smb_fname->base_name, unixmode) != 0) {
6954                         return map_nt_error_from_unix(errno);
6955                 }
6956         }
6957
6958         /*
6959          * Deal with the UNIX specific uid set.
6960          */
6961
6962         if ((set_owner != (uid_t)SMB_UID_NO_CHANGE) &&
6963             (sbuf.st_ex_uid != set_owner)) {
6964                 int ret;
6965
6966                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC "
6967                           "changing owner %u for path %s\n",
6968                           (unsigned int)set_owner,
6969                           smb_fname_str_dbg(smb_fname)));
6970
6971                 if (S_ISLNK(sbuf.st_ex_mode)) {
6972                         ret = SMB_VFS_LCHOWN(conn, smb_fname->base_name,
6973                                              set_owner, (gid_t)-1);
6974                 } else {
6975                         ret = SMB_VFS_CHOWN(conn, smb_fname->base_name,
6976                                             set_owner, (gid_t)-1);
6977                 }
6978
6979                 if (ret != 0) {
6980                         status = map_nt_error_from_unix(errno);
6981                         if (delete_on_fail) {
6982                                 SMB_VFS_UNLINK(conn, smb_fname);
6983                         }
6984                         return status;
6985                 }
6986         }
6987
6988         /*
6989          * Deal with the UNIX specific gid set.
6990          */
6991
6992         if ((set_grp != (uid_t)SMB_GID_NO_CHANGE) &&
6993             (sbuf.st_ex_gid != set_grp)) {
6994                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC "
6995                           "changing group %u for file %s\n",
6996                           (unsigned int)set_owner,
6997                           smb_fname_str_dbg(smb_fname)));
6998                 if (SMB_VFS_CHOWN(conn, smb_fname->base_name, (uid_t)-1,
6999                                   set_grp) != 0) {
7000                         status = map_nt_error_from_unix(errno);
7001                         if (delete_on_fail) {
7002                                 SMB_VFS_UNLINK(conn, smb_fname);
7003                         }
7004                         return status;
7005                 }
7006         }
7007
7008         /* Deal with any size changes. */
7009
7010         status = smb_set_file_size(conn, req,
7011                                    fsp,
7012                                    smb_fname,
7013                                    &sbuf,
7014                                    size,
7015                                    false);
7016         if (!NT_STATUS_IS_OK(status)) {
7017                 return status;
7018         }
7019
7020         /* Deal with any time changes. */
7021         if (null_timespec(ft.mtime) && null_timespec(ft.atime)) {
7022                 /* No change, don't cancel anything. */
7023                 return status;
7024         }
7025
7026         id = vfs_file_id_from_sbuf(conn, &sbuf);
7027         for(all_fsps = file_find_di_first(conn->sconn, id); all_fsps;
7028                         all_fsps = file_find_di_next(all_fsps)) {
7029                 /*
7030                  * We're setting the time explicitly for UNIX.
7031                  * Cancel any pending changes over all handles.
7032                  */
7033                 all_fsps->update_write_time_on_close = false;
7034                 TALLOC_FREE(all_fsps->update_write_time_event);
7035         }
7036
7037         /*
7038          * Override the "setting_write_time"
7039          * parameter here as it almost does what
7040          * we need. Just remember if we modified
7041          * mtime and send the notify ourselves.
7042          */
7043         if (null_timespec(ft.mtime)) {
7044                 modify_mtime = false;
7045         }
7046
7047         status = smb_set_file_time(conn,
7048                                 fsp,
7049                                 smb_fname,
7050                                 &ft,
7051                                 false);
7052         if (modify_mtime) {
7053                 notify_fname(conn, NOTIFY_ACTION_MODIFIED,
7054                         FILE_NOTIFY_CHANGE_LAST_WRITE, smb_fname->base_name);
7055         }
7056         return status;
7057 }
7058
7059 /****************************************************************************
7060  Deal with SMB_SET_FILE_UNIX_INFO2.
7061 ****************************************************************************/
7062
7063 static NTSTATUS smb_set_file_unix_info2(connection_struct *conn,
7064                                         struct smb_request *req,
7065                                         const char *pdata,
7066                                         int total_data,
7067                                         files_struct *fsp,
7068                                         const struct smb_filename *smb_fname)
7069 {
7070         NTSTATUS status;
7071         uint32 smb_fflags;
7072         uint32 smb_fmask;
7073
7074         if (total_data < 116) {
7075                 return NT_STATUS_INVALID_PARAMETER;
7076         }
7077
7078         /* Start by setting all the fields that are common between UNIX_BASIC
7079          * and UNIX_INFO2.
7080          */
7081         status = smb_set_file_unix_basic(conn, req, pdata, total_data,
7082                                          fsp, smb_fname);
7083         if (!NT_STATUS_IS_OK(status)) {
7084                 return status;
7085         }
7086
7087         smb_fflags = IVAL(pdata, 108);
7088         smb_fmask = IVAL(pdata, 112);
7089
7090         /* NB: We should only attempt to alter the file flags if the client
7091          * sends a non-zero mask.
7092          */
7093         if (smb_fmask != 0) {
7094                 int stat_fflags = 0;
7095
7096                 if (!map_info2_flags_to_sbuf(&smb_fname->st, smb_fflags,
7097                                              smb_fmask, &stat_fflags)) {
7098                         /* Client asked to alter a flag we don't understand. */
7099                         return NT_STATUS_INVALID_PARAMETER;
7100                 }
7101
7102                 if (fsp && fsp->fh->fd != -1) {
7103                         /* XXX: we should be  using SMB_VFS_FCHFLAGS here. */
7104                         return NT_STATUS_NOT_SUPPORTED;
7105                 } else {
7106                         if (SMB_VFS_CHFLAGS(conn, smb_fname->base_name,
7107                                             stat_fflags) != 0) {
7108                                 return map_nt_error_from_unix(errno);
7109                         }
7110                 }
7111         }
7112
7113         /* XXX: need to add support for changing the create_time here. You
7114          * can do this for paths on Darwin with setattrlist(2). The right way
7115          * to hook this up is probably by extending the VFS utimes interface.
7116          */
7117
7118         return NT_STATUS_OK;
7119 }
7120
7121 /****************************************************************************
7122  Create a directory with POSIX semantics.
7123 ****************************************************************************/
7124
7125 static NTSTATUS smb_posix_mkdir(connection_struct *conn,
7126                                 struct smb_request *req,
7127                                 char **ppdata,
7128                                 int total_data,
7129                                 struct smb_filename *smb_fname,
7130                                 int *pdata_return_size)
7131 {
7132         NTSTATUS status = NT_STATUS_OK;
7133         uint32 raw_unixmode = 0;
7134         uint32 mod_unixmode = 0;
7135         mode_t unixmode = (mode_t)0;
7136         files_struct *fsp = NULL;
7137         uint16 info_level_return = 0;
7138         int info;
7139         char *pdata = *ppdata;
7140
7141         if (total_data < 18) {
7142                 return NT_STATUS_INVALID_PARAMETER;
7143         }
7144
7145         raw_unixmode = IVAL(pdata,8);
7146         /* Next 4 bytes are not yet defined. */
7147
7148         status = unix_perms_from_wire(conn, &smb_fname->st, raw_unixmode,
7149                                       PERM_NEW_DIR, &unixmode);
7150         if (!NT_STATUS_IS_OK(status)) {
7151                 return status;
7152         }
7153
7154         mod_unixmode = (uint32)unixmode | FILE_FLAG_POSIX_SEMANTICS;
7155
7156         DEBUG(10,("smb_posix_mkdir: file %s, mode 0%o\n",
7157                   smb_fname_str_dbg(smb_fname), (unsigned int)unixmode));
7158
7159         status = SMB_VFS_CREATE_FILE(
7160                 conn,                                   /* conn */
7161                 req,                                    /* req */
7162                 0,                                      /* root_dir_fid */
7163                 smb_fname,                              /* fname */
7164                 FILE_READ_ATTRIBUTES,                   /* access_mask */
7165                 FILE_SHARE_NONE,                        /* share_access */
7166                 FILE_CREATE,                            /* create_disposition*/
7167                 FILE_DIRECTORY_FILE,                    /* create_options */
7168                 mod_unixmode,                           /* file_attributes */
7169                 0,                                      /* oplock_request */
7170                 0,                                      /* allocation_size */
7171                 0,                                      /* private_flags */
7172                 NULL,                                   /* sd */
7173                 NULL,                                   /* ea_list */
7174                 &fsp,                                   /* result */
7175                 &info);                                 /* pinfo */
7176
7177         if (NT_STATUS_IS_OK(status)) {
7178                 close_file(req, fsp, NORMAL_CLOSE);
7179         }
7180
7181         info_level_return = SVAL(pdata,16);
7182
7183         if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
7184                 *pdata_return_size = 12 + SMB_FILE_UNIX_BASIC_SIZE;
7185         } else if (info_level_return ==  SMB_QUERY_FILE_UNIX_INFO2) {
7186                 *pdata_return_size = 12 + SMB_FILE_UNIX_INFO2_SIZE;
7187         } else {
7188                 *pdata_return_size = 12;
7189         }
7190
7191         /* Realloc the data size */
7192         *ppdata = (char *)SMB_REALLOC(*ppdata,*pdata_return_size);
7193         if (*ppdata == NULL) {
7194                 *pdata_return_size = 0;
7195                 return NT_STATUS_NO_MEMORY;
7196         }
7197         pdata = *ppdata;
7198
7199         SSVAL(pdata,0,NO_OPLOCK_RETURN);
7200         SSVAL(pdata,2,0); /* No fnum. */
7201         SIVAL(pdata,4,info); /* Was directory created. */
7202
7203         switch (info_level_return) {
7204                 case SMB_QUERY_FILE_UNIX_BASIC:
7205                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_BASIC);
7206                         SSVAL(pdata,10,0); /* Padding. */
7207                         store_file_unix_basic(conn, pdata + 12, fsp,
7208                                               &smb_fname->st);
7209                         break;
7210                 case SMB_QUERY_FILE_UNIX_INFO2:
7211                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_INFO2);
7212                         SSVAL(pdata,10,0); /* Padding. */
7213                         store_file_unix_basic_info2(conn, pdata + 12, fsp,
7214                                                     &smb_fname->st);
7215                         break;
7216                 default:
7217                         SSVAL(pdata,8,SMB_NO_INFO_LEVEL_RETURNED);
7218                         SSVAL(pdata,10,0); /* Padding. */
7219                         break;
7220         }
7221
7222         return status;
7223 }
7224
7225 /****************************************************************************
7226  Open/Create a file with POSIX semantics.
7227 ****************************************************************************/
7228
7229 #define SMB_O_RDONLY_MAPPING (FILE_READ_DATA|FILE_READ_ATTRIBUTES|FILE_READ_EA)
7230 #define SMB_O_WRONLY_MAPPING (FILE_WRITE_DATA|FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA)
7231
7232 static NTSTATUS smb_posix_open(connection_struct *conn,
7233                                struct smb_request *req,
7234                                 char **ppdata,
7235                                 int total_data,
7236                                 struct smb_filename *smb_fname,
7237                                 int *pdata_return_size)
7238 {
7239         bool extended_oplock_granted = False;
7240         char *pdata = *ppdata;
7241         uint32 flags = 0;
7242         uint32 wire_open_mode = 0;
7243         uint32 raw_unixmode = 0;
7244         uint32 mod_unixmode = 0;
7245         uint32 create_disp = 0;
7246         uint32 access_mask = 0;
7247         uint32 create_options = FILE_NON_DIRECTORY_FILE;
7248         NTSTATUS status = NT_STATUS_OK;
7249         mode_t unixmode = (mode_t)0;
7250         files_struct *fsp = NULL;
7251         int oplock_request = 0;
7252         int info = 0;
7253         uint16 info_level_return = 0;
7254
7255         if (total_data < 18) {
7256                 return NT_STATUS_INVALID_PARAMETER;
7257         }
7258
7259         flags = IVAL(pdata,0);
7260         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
7261         if (oplock_request) {
7262                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
7263         }
7264
7265         wire_open_mode = IVAL(pdata,4);
7266
7267         if (wire_open_mode == (SMB_O_CREAT|SMB_O_DIRECTORY)) {
7268                 return smb_posix_mkdir(conn, req,
7269                                         ppdata,
7270                                         total_data,
7271                                         smb_fname,
7272                                         pdata_return_size);
7273         }
7274
7275         switch (wire_open_mode & SMB_ACCMODE) {
7276                 case SMB_O_RDONLY:
7277                         access_mask = SMB_O_RDONLY_MAPPING;
7278                         break;
7279                 case SMB_O_WRONLY:
7280                         access_mask = SMB_O_WRONLY_MAPPING;
7281                         break;
7282                 case SMB_O_RDWR:
7283                         access_mask = (SMB_O_RDONLY_MAPPING|
7284                                         SMB_O_WRONLY_MAPPING);
7285                         break;
7286                 default:
7287                         DEBUG(5,("smb_posix_open: invalid open mode 0x%x\n",
7288                                 (unsigned int)wire_open_mode ));
7289                         return NT_STATUS_INVALID_PARAMETER;
7290         }
7291
7292         wire_open_mode &= ~SMB_ACCMODE;
7293
7294         /* First take care of O_CREAT|O_EXCL interactions. */
7295         switch (wire_open_mode & (SMB_O_CREAT | SMB_O_EXCL)) {
7296                 case (SMB_O_CREAT | SMB_O_EXCL):
7297                         /* File exists fail. File not exist create. */
7298                         create_disp = FILE_CREATE;
7299                         break;
7300                 case SMB_O_CREAT:
7301                         /* File exists open. File not exist create. */
7302                         create_disp = FILE_OPEN_IF;
7303                         break;
7304                 case 0:
7305                         /* File exists open. File not exist fail. */
7306                         create_disp = FILE_OPEN;
7307                         break;
7308                 case SMB_O_EXCL:
7309                         /* O_EXCL on its own without O_CREAT is undefined. */
7310                 default:
7311                         DEBUG(5,("smb_posix_open: invalid create mode 0x%x\n",
7312                                 (unsigned int)wire_open_mode ));
7313                         return NT_STATUS_INVALID_PARAMETER;
7314         }
7315
7316         /* Next factor in the effects of O_TRUNC. */
7317         wire_open_mode &= ~(SMB_O_CREAT | SMB_O_EXCL);
7318
7319         if (wire_open_mode & SMB_O_TRUNC) {
7320                 switch (create_disp) {
7321                         case FILE_CREATE:
7322                                 /* (SMB_O_CREAT | SMB_O_EXCL | O_TRUNC) */
7323                                 /* Leave create_disp alone as
7324                                    (O_CREAT|O_EXCL|O_TRUNC) == (O_CREAT|O_EXCL)
7325                                 */
7326                                 /* File exists fail. File not exist create. */
7327                                 break;
7328                         case FILE_OPEN_IF:
7329                                 /* SMB_O_CREAT | SMB_O_TRUNC */
7330                                 /* File exists overwrite. File not exist create. */
7331                                 create_disp = FILE_OVERWRITE_IF;
7332                                 break;
7333                         case FILE_OPEN:
7334                                 /* SMB_O_TRUNC */
7335                                 /* File exists overwrite. File not exist fail. */
7336                                 create_disp = FILE_OVERWRITE;
7337                                 break;
7338                         default:
7339                                 /* Cannot get here. */
7340                                 smb_panic("smb_posix_open: logic error");
7341                                 return NT_STATUS_INVALID_PARAMETER;
7342                 }
7343         }
7344
7345         raw_unixmode = IVAL(pdata,8);
7346         /* Next 4 bytes are not yet defined. */
7347
7348         status = unix_perms_from_wire(conn, &smb_fname->st, raw_unixmode,
7349                                       (VALID_STAT(smb_fname->st) ?
7350                                           PERM_EXISTING_FILE : PERM_NEW_FILE),
7351                                       &unixmode);
7352
7353         if (!NT_STATUS_IS_OK(status)) {
7354                 return status;
7355         }
7356
7357         mod_unixmode = (uint32)unixmode | FILE_FLAG_POSIX_SEMANTICS;
7358
7359         if (wire_open_mode & SMB_O_SYNC) {
7360                 create_options |= FILE_WRITE_THROUGH;
7361         }
7362         if (wire_open_mode & SMB_O_APPEND) {
7363                 access_mask |= FILE_APPEND_DATA;
7364         }
7365         if (wire_open_mode & SMB_O_DIRECT) {
7366                 mod_unixmode |= FILE_FLAG_NO_BUFFERING;
7367         }
7368
7369         if ((wire_open_mode & SMB_O_DIRECTORY) ||
7370                         VALID_STAT_OF_DIR(smb_fname->st)) {
7371                 if (access_mask != SMB_O_RDONLY_MAPPING) {
7372                         return NT_STATUS_FILE_IS_A_DIRECTORY;
7373                 }
7374                 create_options &= ~FILE_NON_DIRECTORY_FILE;
7375                 create_options |= FILE_DIRECTORY_FILE;
7376         }
7377
7378         DEBUG(10,("smb_posix_open: file %s, smb_posix_flags = %u, mode 0%o\n",
7379                 smb_fname_str_dbg(smb_fname),
7380                 (unsigned int)wire_open_mode,
7381                 (unsigned int)unixmode ));
7382
7383         status = SMB_VFS_CREATE_FILE(
7384                 conn,                                   /* conn */
7385                 req,                                    /* req */
7386                 0,                                      /* root_dir_fid */
7387                 smb_fname,                              /* fname */
7388                 access_mask,                            /* access_mask */
7389                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
7390                     FILE_SHARE_DELETE),
7391                 create_disp,                            /* create_disposition*/
7392                 create_options,                         /* create_options */
7393                 mod_unixmode,                           /* file_attributes */
7394                 oplock_request,                         /* oplock_request */
7395                 0,                                      /* allocation_size */
7396                 0,                                      /* private_flags */
7397                 NULL,                                   /* sd */
7398                 NULL,                                   /* ea_list */
7399                 &fsp,                                   /* result */
7400                 &info);                                 /* pinfo */
7401
7402         if (!NT_STATUS_IS_OK(status)) {
7403                 return status;
7404         }
7405
7406         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
7407                 extended_oplock_granted = True;
7408         }
7409
7410         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
7411                 extended_oplock_granted = True;
7412         }
7413
7414         info_level_return = SVAL(pdata,16);
7415
7416         /* Allocate the correct return size. */
7417
7418         if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
7419                 *pdata_return_size = 12 + SMB_FILE_UNIX_BASIC_SIZE;
7420         } else if (info_level_return ==  SMB_QUERY_FILE_UNIX_INFO2) {
7421                 *pdata_return_size = 12 + SMB_FILE_UNIX_INFO2_SIZE;
7422         } else {
7423                 *pdata_return_size = 12;
7424         }
7425
7426         /* Realloc the data size */
7427         *ppdata = (char *)SMB_REALLOC(*ppdata,*pdata_return_size);
7428         if (*ppdata == NULL) {
7429                 close_file(req, fsp, ERROR_CLOSE);
7430                 *pdata_return_size = 0;
7431                 return NT_STATUS_NO_MEMORY;
7432         }
7433         pdata = *ppdata;
7434
7435         if (extended_oplock_granted) {
7436                 if (flags & REQUEST_BATCH_OPLOCK) {
7437                         SSVAL(pdata,0, BATCH_OPLOCK_RETURN);
7438                 } else {
7439                         SSVAL(pdata,0, EXCLUSIVE_OPLOCK_RETURN);
7440                 }
7441         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
7442                 SSVAL(pdata,0, LEVEL_II_OPLOCK_RETURN);
7443         } else {
7444                 SSVAL(pdata,0,NO_OPLOCK_RETURN);
7445         }
7446
7447         SSVAL(pdata,2,fsp->fnum);
7448         SIVAL(pdata,4,info); /* Was file created etc. */
7449
7450         switch (info_level_return) {
7451                 case SMB_QUERY_FILE_UNIX_BASIC:
7452                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_BASIC);
7453                         SSVAL(pdata,10,0); /* padding. */
7454                         store_file_unix_basic(conn, pdata + 12, fsp,
7455                                               &smb_fname->st);
7456                         break;
7457                 case SMB_QUERY_FILE_UNIX_INFO2:
7458                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_INFO2);
7459                         SSVAL(pdata,10,0); /* padding. */
7460                         store_file_unix_basic_info2(conn, pdata + 12, fsp,
7461                                                     &smb_fname->st);
7462                         break;
7463                 default:
7464                         SSVAL(pdata,8,SMB_NO_INFO_LEVEL_RETURNED);
7465                         SSVAL(pdata,10,0); /* padding. */
7466                         break;
7467         }
7468         return NT_STATUS_OK;
7469 }
7470
7471 /****************************************************************************
7472  Delete a file with POSIX semantics.
7473 ****************************************************************************/
7474
7475 static NTSTATUS smb_posix_unlink(connection_struct *conn,
7476                                  struct smb_request *req,
7477                                 const char *pdata,
7478                                 int total_data,
7479                                 struct smb_filename *smb_fname)
7480 {
7481         NTSTATUS status = NT_STATUS_OK;
7482         files_struct *fsp = NULL;
7483         uint16 flags = 0;
7484         char del = 1;
7485         int info = 0;
7486         int create_options = 0;
7487         int i;
7488         struct share_mode_lock *lck = NULL;
7489
7490         if (total_data < 2) {
7491                 return NT_STATUS_INVALID_PARAMETER;
7492         }
7493
7494         flags = SVAL(pdata,0);
7495
7496         if (!VALID_STAT(smb_fname->st)) {
7497                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
7498         }
7499
7500         if ((flags == SMB_POSIX_UNLINK_DIRECTORY_TARGET) &&
7501                         !VALID_STAT_OF_DIR(smb_fname->st)) {
7502                 return NT_STATUS_NOT_A_DIRECTORY;
7503         }
7504
7505         DEBUG(10,("smb_posix_unlink: %s %s\n",
7506                 (flags == SMB_POSIX_UNLINK_DIRECTORY_TARGET) ? "directory" : "file",
7507                 smb_fname_str_dbg(smb_fname)));
7508
7509         if (VALID_STAT_OF_DIR(smb_fname->st)) {
7510                 create_options |= FILE_DIRECTORY_FILE;
7511         }
7512
7513         status = SMB_VFS_CREATE_FILE(
7514                 conn,                                   /* conn */
7515                 req,                                    /* req */
7516                 0,                                      /* root_dir_fid */
7517                 smb_fname,                              /* fname */
7518                 DELETE_ACCESS,                          /* access_mask */
7519                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
7520                     FILE_SHARE_DELETE),
7521                 FILE_OPEN,                              /* create_disposition*/
7522                 create_options,                         /* create_options */
7523                 FILE_FLAG_POSIX_SEMANTICS|0777,         /* file_attributes */
7524                 0,                                      /* oplock_request */
7525                 0,                                      /* allocation_size */
7526                 0,                                      /* private_flags */
7527                 NULL,                                   /* sd */
7528                 NULL,                                   /* ea_list */
7529                 &fsp,                                   /* result */
7530                 &info);                                 /* pinfo */
7531
7532         if (!NT_STATUS_IS_OK(status)) {
7533                 return status;
7534         }
7535
7536         /*
7537          * Don't lie to client. If we can't really delete due to
7538          * non-POSIX opens return SHARING_VIOLATION.
7539          */
7540
7541         lck = get_share_mode_lock(talloc_tos(), fsp->file_id, NULL, NULL,
7542                                   NULL);
7543         if (lck == NULL) {
7544                 DEBUG(0, ("smb_posix_unlink: Could not get share mode "
7545                           "lock for file %s\n", fsp_str_dbg(fsp)));
7546                 close_file(req, fsp, NORMAL_CLOSE);
7547                 return NT_STATUS_INVALID_PARAMETER;
7548         }
7549
7550         /*
7551          * See if others still have the file open. If this is the case, then
7552          * don't delete. If all opens are POSIX delete we can set the delete
7553          * on close disposition.
7554          */
7555         for (i=0; i<lck->num_share_modes; i++) {
7556                 struct share_mode_entry *e = &lck->share_modes[i];
7557                 if (is_valid_share_mode_entry(e)) {
7558                         if (e->flags & SHARE_MODE_FLAG_POSIX_OPEN) {
7559                                 continue;
7560                         }
7561                         /* Fail with sharing violation. */
7562                         close_file(req, fsp, NORMAL_CLOSE);
7563                         TALLOC_FREE(lck);
7564                         return NT_STATUS_SHARING_VIOLATION;
7565                 }
7566         }
7567
7568         /*
7569          * Set the delete on close.
7570          */
7571         status = smb_set_file_disposition_info(conn,
7572                                                 &del,
7573                                                 1,
7574                                                 fsp,
7575                                                 smb_fname);
7576
7577         if (!NT_STATUS_IS_OK(status)) {
7578                 close_file(req, fsp, NORMAL_CLOSE);
7579                 TALLOC_FREE(lck);
7580                 return status;
7581         }
7582         TALLOC_FREE(lck);
7583         return close_file(req, fsp, NORMAL_CLOSE);
7584 }
7585
7586 NTSTATUS smbd_do_setfilepathinfo(connection_struct *conn,
7587                                 struct smb_request *req,
7588                                 TALLOC_CTX *mem_ctx,
7589                                 uint16_t info_level,
7590                                 files_struct *fsp,
7591                                 struct smb_filename *smb_fname,
7592                                 char **ppdata, int total_data,
7593                                 int *ret_data_size)
7594 {
7595         char *pdata = *ppdata;
7596         NTSTATUS status = NT_STATUS_OK;
7597         int data_return_size = 0;
7598
7599         *ret_data_size = 0;
7600
7601         if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
7602                 return NT_STATUS_INVALID_LEVEL;
7603         }
7604
7605         if (!CAN_WRITE(conn)) {
7606                 /* Allow POSIX opens. The open path will deny
7607                  * any non-readonly opens. */
7608                 if (info_level != SMB_POSIX_PATH_OPEN) {
7609                         return NT_STATUS_DOS(ERRSRV, ERRaccess);
7610                 }
7611         }
7612
7613         DEBUG(3,("smbd_do_setfilepathinfo: %s (fnum %d) info_level=%d "
7614                  "totdata=%d\n", smb_fname_str_dbg(smb_fname),
7615                  fsp ? fsp->fnum : -1, info_level, total_data));
7616
7617         switch (info_level) {
7618
7619                 case SMB_INFO_STANDARD:
7620                 {
7621                         status = smb_set_info_standard(conn,
7622                                         pdata,
7623                                         total_data,
7624                                         fsp,
7625                                         smb_fname);
7626                         break;
7627                 }
7628
7629                 case SMB_INFO_SET_EA:
7630                 {
7631                         status = smb_info_set_ea(conn,
7632                                                 pdata,
7633                                                 total_data,
7634                                                 fsp,
7635                                                 smb_fname);
7636                         break;
7637                 }
7638
7639                 case SMB_SET_FILE_BASIC_INFO:
7640                 case SMB_FILE_BASIC_INFORMATION:
7641                 {
7642                         status = smb_set_file_basic_info(conn,
7643                                                         pdata,
7644                                                         total_data,
7645                                                         fsp,
7646                                                         smb_fname);
7647                         break;
7648                 }
7649
7650                 case SMB_FILE_ALLOCATION_INFORMATION:
7651                 case SMB_SET_FILE_ALLOCATION_INFO:
7652                 {
7653                         status = smb_set_file_allocation_info(conn, req,
7654                                                                 pdata,
7655                                                                 total_data,
7656                                                                 fsp,
7657                                                                 smb_fname);
7658                         break;
7659                 }
7660
7661                 case SMB_FILE_END_OF_FILE_INFORMATION:
7662                 case SMB_SET_FILE_END_OF_FILE_INFO:
7663                 {
7664                         /*
7665                          * XP/Win7 both fail after the createfile with
7666                          * SMB_SET_FILE_END_OF_FILE_INFO but not
7667                          * SMB_FILE_END_OF_FILE_INFORMATION (pass-through).
7668                          * The level is known here, so pass it down
7669                          * appropriately.
7670                          */
7671                         bool should_fail =
7672                             (info_level == SMB_SET_FILE_END_OF_FILE_INFO);
7673
7674                         status = smb_set_file_end_of_file_info(conn, req,
7675                                                                 pdata,
7676                                                                 total_data,
7677                                                                 fsp,
7678                                                                 smb_fname,
7679                                                                 should_fail);
7680                         break;
7681                 }
7682
7683                 case SMB_FILE_DISPOSITION_INFORMATION:
7684                 case SMB_SET_FILE_DISPOSITION_INFO: /* Set delete on close for open file. */
7685                 {
7686 #if 0
7687                         /* JRA - We used to just ignore this on a path ?
7688                          * Shouldn't this be invalid level on a pathname
7689                          * based call ?
7690                          */
7691                         if (tran_call != TRANSACT2_SETFILEINFO) {
7692                                 return ERROR_NT(NT_STATUS_INVALID_LEVEL);
7693                         }
7694 #endif
7695                         status = smb_set_file_disposition_info(conn,
7696                                                 pdata,
7697                                                 total_data,
7698                                                 fsp,
7699                                                 smb_fname);
7700                         break;
7701                 }
7702
7703                 case SMB_FILE_POSITION_INFORMATION:
7704                 {
7705                         status = smb_file_position_information(conn,
7706                                                 pdata,
7707                                                 total_data,
7708                                                 fsp);
7709                         break;
7710                 }
7711
7712                 case SMB_FILE_FULL_EA_INFORMATION:
7713                 {
7714                         status = smb_set_file_full_ea_info(conn,
7715                                                 pdata,
7716                                                 total_data,
7717                                                 fsp);
7718                         break;
7719                 }
7720
7721                 /* From tridge Samba4 :
7722                  * MODE_INFORMATION in setfileinfo (I have no
7723                  * idea what "mode information" on a file is - it takes a value of 0,
7724                  * 2, 4 or 6. What could it be?).
7725                  */
7726
7727                 case SMB_FILE_MODE_INFORMATION:
7728                 {
7729                         status = smb_file_mode_information(conn,
7730                                                 pdata,
7731                                                 total_data);
7732                         break;
7733                 }
7734
7735                 /*
7736                  * CIFS UNIX extensions.
7737                  */
7738
7739                 case SMB_SET_FILE_UNIX_BASIC:
7740                 {
7741                         status = smb_set_file_unix_basic(conn, req,
7742                                                         pdata,
7743                                                         total_data,
7744                                                         fsp,
7745                                                         smb_fname);
7746                         break;
7747                 }
7748
7749                 case SMB_SET_FILE_UNIX_INFO2:
7750                 {
7751                         status = smb_set_file_unix_info2(conn, req,
7752                                                         pdata,
7753                                                         total_data,
7754                                                         fsp,
7755                                                         smb_fname);
7756                         break;
7757                 }
7758
7759                 case SMB_SET_FILE_UNIX_LINK:
7760                 {
7761                         if (fsp) {
7762                                 /* We must have a pathname for this. */
7763                                 return NT_STATUS_INVALID_LEVEL;
7764                         }
7765                         status = smb_set_file_unix_link(conn, req, pdata,
7766                                                         total_data, smb_fname);
7767                         break;
7768                 }
7769
7770                 case SMB_SET_FILE_UNIX_HLINK:
7771                 {
7772                         if (fsp) {
7773                                 /* We must have a pathname for this. */
7774                                 return NT_STATUS_INVALID_LEVEL;
7775                         }
7776                         status = smb_set_file_unix_hlink(conn, req,
7777                                                          pdata, total_data,
7778                                                          smb_fname);
7779                         break;
7780                 }
7781
7782                 case SMB_FILE_RENAME_INFORMATION:
7783                 {
7784                         status = smb_file_rename_information(conn, req,
7785                                                              pdata, total_data,
7786                                                              fsp, smb_fname);
7787                         break;
7788                 }
7789
7790                 case SMB2_FILE_RENAME_INFORMATION_INTERNAL:
7791                 {
7792                         /* SMB2 rename information. */
7793                         status = smb2_file_rename_information(conn, req,
7794                                                              pdata, total_data,
7795                                                              fsp, smb_fname);
7796                         break;
7797                 }
7798
7799                 case SMB_FILE_LINK_INFORMATION:
7800                 {
7801                         status = smb_file_link_information(conn, req,
7802                                                         pdata, total_data,
7803                                                         fsp, smb_fname);
7804                         break;
7805                 }
7806
7807 #if defined(HAVE_POSIX_ACLS)
7808                 case SMB_SET_POSIX_ACL:
7809                 {
7810                         status = smb_set_posix_acl(conn,
7811                                                 pdata,
7812                                                 total_data,
7813                                                 fsp,
7814                                                 smb_fname);
7815                         break;
7816                 }
7817 #endif
7818
7819                 case SMB_SET_POSIX_LOCK:
7820                 {
7821                         if (!fsp) {
7822                                 return NT_STATUS_INVALID_LEVEL;
7823                         }
7824                         status = smb_set_posix_lock(conn, req,
7825                                                     pdata, total_data, fsp);
7826                         break;
7827                 }
7828
7829                 case SMB_POSIX_PATH_OPEN:
7830                 {
7831                         if (fsp) {
7832                                 /* We must have a pathname for this. */
7833                                 return NT_STATUS_INVALID_LEVEL;
7834                         }
7835
7836                         status = smb_posix_open(conn, req,
7837                                                 ppdata,
7838                                                 total_data,
7839                                                 smb_fname,
7840                                                 &data_return_size);
7841                         break;
7842                 }
7843
7844                 case SMB_POSIX_PATH_UNLINK:
7845                 {
7846                         if (fsp) {
7847                                 /* We must have a pathname for this. */
7848                                 return NT_STATUS_INVALID_LEVEL;
7849                         }
7850
7851                         status = smb_posix_unlink(conn, req,
7852                                                 pdata,
7853                                                 total_data,
7854                                                 smb_fname);
7855                         break;
7856                 }
7857
7858                 default:
7859                         return NT_STATUS_INVALID_LEVEL;
7860         }
7861
7862         if (!NT_STATUS_IS_OK(status)) {
7863                 return status;
7864         }
7865
7866         *ret_data_size = data_return_size;
7867         return NT_STATUS_OK;
7868 }
7869
7870 /****************************************************************************
7871  Reply to a TRANS2_SETFILEINFO (set file info by fileid or pathname).
7872 ****************************************************************************/
7873
7874 static void call_trans2setfilepathinfo(connection_struct *conn,
7875                                        struct smb_request *req,
7876                                        unsigned int tran_call,
7877                                        char **pparams, int total_params,
7878                                        char **ppdata, int total_data,
7879                                        unsigned int max_data_bytes)
7880 {
7881         char *params = *pparams;
7882         char *pdata = *ppdata;
7883         uint16 info_level;
7884         struct smb_filename *smb_fname = NULL;
7885         files_struct *fsp = NULL;
7886         NTSTATUS status = NT_STATUS_OK;
7887         int data_return_size = 0;
7888
7889         if (!params) {
7890                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7891                 return;
7892         }
7893
7894         if (tran_call == TRANSACT2_SETFILEINFO) {
7895                 if (total_params < 4) {
7896                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7897                         return;
7898                 }
7899
7900                 fsp = file_fsp(req, SVAL(params,0));
7901                 /* Basic check for non-null fsp. */
7902                 if (!check_fsp_open(conn, req, fsp)) {
7903                         return;
7904                 }
7905                 info_level = SVAL(params,2);
7906
7907                 status = copy_smb_filename(talloc_tos(), fsp->fsp_name,
7908                                            &smb_fname);
7909                 if (!NT_STATUS_IS_OK(status)) {
7910                         reply_nterror(req, status);
7911                         return;
7912                 }
7913
7914                 if(fsp->fh->fd == -1) {
7915                         /*
7916                          * This is actually a SETFILEINFO on a directory
7917                          * handle (returned from an NT SMB). NT5.0 seems
7918                          * to do this call. JRA.
7919                          */
7920                         if (INFO_LEVEL_IS_UNIX(info_level)) {
7921                                 /* Always do lstat for UNIX calls. */
7922                                 if (SMB_VFS_LSTAT(conn, smb_fname)) {
7923                                         DEBUG(3,("call_trans2setfilepathinfo: "
7924                                                  "SMB_VFS_LSTAT of %s failed "
7925                                                  "(%s)\n",
7926                                                  smb_fname_str_dbg(smb_fname),
7927                                                  strerror(errno)));
7928                                         reply_nterror(req, map_nt_error_from_unix(errno));
7929                                         return;
7930                                 }
7931                         } else {
7932                                 if (SMB_VFS_STAT(conn, smb_fname) != 0) {
7933                                         DEBUG(3,("call_trans2setfilepathinfo: "
7934                                                  "fileinfo of %s failed (%s)\n",
7935                                                  smb_fname_str_dbg(smb_fname),
7936                                                  strerror(errno)));
7937                                         reply_nterror(req, map_nt_error_from_unix(errno));
7938                                         return;
7939                                 }
7940                         }
7941                 } else if (fsp->print_file) {
7942                         /*
7943                          * Doing a DELETE_ON_CLOSE should cancel a print job.
7944                          */
7945                         if ((info_level == SMB_SET_FILE_DISPOSITION_INFO) && CVAL(pdata,0)) {
7946                                 fsp->fh->private_options |= NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE;
7947
7948                                 DEBUG(3,("call_trans2setfilepathinfo: "
7949                                          "Cancelling print job (%s)\n",
7950                                          fsp_str_dbg(fsp)));
7951
7952                                 SSVAL(params,0,0);
7953                                 send_trans2_replies(conn, req, params, 2,
7954                                                     *ppdata, 0,
7955                                                     max_data_bytes);
7956                                 return;
7957                         } else {
7958                                 reply_nterror(req,
7959                                         NT_STATUS_OBJECT_PATH_NOT_FOUND);
7960                                 return;
7961                         }
7962                 } else {
7963                         /*
7964                          * Original code - this is an open file.
7965                          */
7966                         if (SMB_VFS_FSTAT(fsp, &smb_fname->st) != 0) {
7967                                 DEBUG(3,("call_trans2setfilepathinfo: fstat "
7968                                          "of fnum %d failed (%s)\n", fsp->fnum,
7969                                          strerror(errno)));
7970                                 reply_nterror(req, map_nt_error_from_unix(errno));
7971                                 return;
7972                         }
7973                 }
7974         } else {
7975                 char *fname = NULL;
7976
7977                 /* set path info */
7978                 if (total_params < 7) {
7979                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7980                         return;
7981                 }
7982
7983                 info_level = SVAL(params,0);
7984                 srvstr_get_path(req, params, req->flags2, &fname, &params[6],
7985                                 total_params - 6, STR_TERMINATE,
7986                                 &status);
7987                 if (!NT_STATUS_IS_OK(status)) {
7988                         reply_nterror(req, status);
7989                         return;
7990                 }
7991
7992                 status = filename_convert(req, conn,
7993                                          req->flags2 & FLAGS2_DFS_PATHNAMES,
7994                                          fname,
7995                                          0,
7996                                          NULL,
7997                                          &smb_fname);
7998                 if (!NT_STATUS_IS_OK(status)) {
7999                         if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
8000                                 reply_botherror(req,
8001                                                 NT_STATUS_PATH_NOT_COVERED,
8002                                                 ERRSRV, ERRbadpath);
8003                                 return;
8004                         }
8005                         reply_nterror(req, status);
8006                         return;
8007                 }
8008
8009                 if (INFO_LEVEL_IS_UNIX(info_level)) {
8010                         /*
8011                          * For CIFS UNIX extensions the target name may not exist.
8012                          */
8013
8014                         /* Always do lstat for UNIX calls. */
8015                         SMB_VFS_LSTAT(conn, smb_fname);
8016
8017                 } else if (!VALID_STAT(smb_fname->st) &&
8018                            SMB_VFS_STAT(conn, smb_fname)) {
8019                         DEBUG(3,("call_trans2setfilepathinfo: SMB_VFS_STAT of "
8020                                  "%s failed (%s)\n",
8021                                  smb_fname_str_dbg(smb_fname),
8022                                  strerror(errno)));
8023                         reply_nterror(req, map_nt_error_from_unix(errno));
8024                         return;
8025                 }
8026         }
8027
8028         DEBUG(3,("call_trans2setfilepathinfo(%d) %s (fnum %d) info_level=%d "
8029                  "totdata=%d\n", tran_call, smb_fname_str_dbg(smb_fname),
8030                  fsp ? fsp->fnum : -1, info_level,total_data));
8031
8032         /* Realloc the parameter size */
8033         *pparams = (char *)SMB_REALLOC(*pparams,2);
8034         if (*pparams == NULL) {
8035                 reply_nterror(req, NT_STATUS_NO_MEMORY);
8036                 return;
8037         }
8038         params = *pparams;
8039
8040         SSVAL(params,0,0);
8041
8042         status = smbd_do_setfilepathinfo(conn, req, req,
8043                                          info_level,
8044                                          fsp,
8045                                          smb_fname,
8046                                          ppdata, total_data,
8047                                          &data_return_size);
8048         if (!NT_STATUS_IS_OK(status)) {
8049                 if (open_was_deferred(req->mid)) {
8050                         /* We have re-scheduled this call. */
8051                         return;
8052                 }
8053                 if (blocking_lock_was_deferred_smb1(req->sconn, req->mid)) {
8054                         /* We have re-scheduled this call. */
8055                         return;
8056                 }
8057                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
8058                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
8059                                         ERRSRV, ERRbadpath);
8060                         return;
8061                 }
8062                 if (info_level == SMB_POSIX_PATH_OPEN) {
8063                         reply_openerror(req, status);
8064                         return;
8065                 }
8066
8067                 reply_nterror(req, status);
8068                 return;
8069         }
8070
8071         send_trans2_replies(conn, req, params, 2, *ppdata, data_return_size,
8072                             max_data_bytes);
8073
8074         return;
8075 }
8076
8077 /****************************************************************************
8078  Reply to a TRANS2_MKDIR (make directory with extended attributes).
8079 ****************************************************************************/
8080
8081 static void call_trans2mkdir(connection_struct *conn, struct smb_request *req,
8082                              char **pparams, int total_params,
8083                              char **ppdata, int total_data,
8084                              unsigned int max_data_bytes)
8085 {
8086         struct smb_filename *smb_dname = NULL;
8087         char *params = *pparams;
8088         char *pdata = *ppdata;
8089         char *directory = NULL;
8090         NTSTATUS status = NT_STATUS_OK;
8091         struct ea_list *ea_list = NULL;
8092         TALLOC_CTX *ctx = talloc_tos();
8093
8094         if (!CAN_WRITE(conn)) {
8095                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
8096                 return;
8097         }
8098
8099         if (total_params < 5) {
8100                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8101                 return;
8102         }
8103
8104         srvstr_get_path(ctx, params, req->flags2, &directory, &params[4],
8105                         total_params - 4, STR_TERMINATE,
8106                         &status);
8107         if (!NT_STATUS_IS_OK(status)) {
8108                 reply_nterror(req, status);
8109                 return;
8110         }
8111
8112         DEBUG(3,("call_trans2mkdir : name = %s\n", directory));
8113
8114         status = filename_convert(ctx,
8115                                 conn,
8116                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
8117                                 directory,
8118                                 0,
8119                                 NULL,
8120                                 &smb_dname);
8121
8122         if (!NT_STATUS_IS_OK(status)) {
8123                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
8124                         reply_botherror(req,
8125                                 NT_STATUS_PATH_NOT_COVERED,
8126                                 ERRSRV, ERRbadpath);
8127                         return;
8128                 }
8129                 reply_nterror(req, status);
8130                 return;
8131         }
8132
8133         /*
8134          * OS/2 workplace shell seems to send SET_EA requests of "null"
8135          * length (4 bytes containing IVAL 4).
8136          * They seem to have no effect. Bug #3212. JRA.
8137          */
8138
8139         if (total_data && (total_data != 4)) {
8140                 /* Any data in this call is an EA list. */
8141                 if (total_data < 10) {
8142                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8143                         goto out;
8144                 }
8145
8146                 if (IVAL(pdata,0) > total_data) {
8147                         DEBUG(10,("call_trans2mkdir: bad total data size (%u) > %u\n",
8148                                 IVAL(pdata,0), (unsigned int)total_data));
8149                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8150                         goto out;
8151                 }
8152
8153                 ea_list = read_ea_list(talloc_tos(), pdata + 4,
8154                                        total_data - 4);
8155                 if (!ea_list) {
8156                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8157                         goto out;
8158                 }
8159
8160                 if (!lp_ea_support(SNUM(conn))) {
8161                         reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
8162                         goto out;
8163                 }
8164         }
8165         /* If total_data == 4 Windows doesn't care what values
8166          * are placed in that field, it just ignores them.
8167          * The System i QNTC IBM SMB client puts bad values here,
8168          * so ignore them. */
8169
8170         status = create_directory(conn, req, smb_dname);
8171
8172         if (!NT_STATUS_IS_OK(status)) {
8173                 reply_nterror(req, status);
8174                 goto out;
8175         }
8176
8177         /* Try and set any given EA. */
8178         if (ea_list) {
8179                 status = set_ea(conn, NULL, smb_dname, ea_list);
8180                 if (!NT_STATUS_IS_OK(status)) {
8181                         reply_nterror(req, status);
8182                         goto out;
8183                 }
8184         }
8185
8186         /* Realloc the parameter and data sizes */
8187         *pparams = (char *)SMB_REALLOC(*pparams,2);
8188         if(*pparams == NULL) {
8189                 reply_nterror(req, NT_STATUS_NO_MEMORY);
8190                 goto out;
8191         }
8192         params = *pparams;
8193
8194         SSVAL(params,0,0);
8195
8196         send_trans2_replies(conn, req, params, 2, *ppdata, 0, max_data_bytes);
8197
8198  out:
8199         TALLOC_FREE(smb_dname);
8200         return;
8201 }
8202
8203 /****************************************************************************
8204  Reply to a TRANS2_FINDNOTIFYFIRST (start monitoring a directory for changes).
8205  We don't actually do this - we just send a null response.
8206 ****************************************************************************/
8207
8208 static void call_trans2findnotifyfirst(connection_struct *conn,
8209                                        struct smb_request *req,
8210                                        char **pparams, int total_params,
8211                                        char **ppdata, int total_data,
8212                                        unsigned int max_data_bytes)
8213 {
8214         char *params = *pparams;
8215         uint16 info_level;
8216
8217         if (total_params < 6) {
8218                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8219                 return;
8220         }
8221
8222         info_level = SVAL(params,4);
8223         DEBUG(3,("call_trans2findnotifyfirst - info_level %d\n", info_level));
8224
8225         switch (info_level) {
8226                 case 1:
8227                 case 2:
8228                         break;
8229                 default:
8230                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
8231                         return;
8232         }
8233
8234         /* Realloc the parameter and data sizes */
8235         *pparams = (char *)SMB_REALLOC(*pparams,6);
8236         if (*pparams == NULL) {
8237                 reply_nterror(req, NT_STATUS_NO_MEMORY);
8238                 return;
8239         }
8240         params = *pparams;
8241
8242         SSVAL(params,0,fnf_handle);
8243         SSVAL(params,2,0); /* No changes */
8244         SSVAL(params,4,0); /* No EA errors */
8245
8246         fnf_handle++;
8247
8248         if(fnf_handle == 0)
8249                 fnf_handle = 257;
8250
8251         send_trans2_replies(conn, req, params, 6, *ppdata, 0, max_data_bytes);
8252
8253         return;
8254 }
8255
8256 /****************************************************************************
8257  Reply to a TRANS2_FINDNOTIFYNEXT (continue monitoring a directory for
8258  changes). Currently this does nothing.
8259 ****************************************************************************/
8260
8261 static void call_trans2findnotifynext(connection_struct *conn,
8262                                       struct smb_request *req,
8263                                       char **pparams, int total_params,
8264                                       char **ppdata, int total_data,
8265                                       unsigned int max_data_bytes)
8266 {
8267         char *params = *pparams;
8268
8269         DEBUG(3,("call_trans2findnotifynext\n"));
8270
8271         /* Realloc the parameter and data sizes */
8272         *pparams = (char *)SMB_REALLOC(*pparams,4);
8273         if (*pparams == NULL) {
8274                 reply_nterror(req, NT_STATUS_NO_MEMORY);
8275                 return;
8276         }
8277         params = *pparams;
8278
8279         SSVAL(params,0,0); /* No changes */
8280         SSVAL(params,2,0); /* No EA errors */
8281
8282         send_trans2_replies(conn, req, params, 4, *ppdata, 0, max_data_bytes);
8283
8284         return;
8285 }
8286
8287 /****************************************************************************
8288  Reply to a TRANS2_GET_DFS_REFERRAL - Shirish Kalele <kalele@veritas.com>.
8289 ****************************************************************************/
8290
8291 static void call_trans2getdfsreferral(connection_struct *conn,
8292                                       struct smb_request *req,
8293                                       char **pparams, int total_params,
8294                                       char **ppdata, int total_data,
8295                                       unsigned int max_data_bytes)
8296 {
8297         char *params = *pparams;
8298         char *pathname = NULL;
8299         int reply_size = 0;
8300         int max_referral_level;
8301         NTSTATUS status = NT_STATUS_OK;
8302         TALLOC_CTX *ctx = talloc_tos();
8303
8304         DEBUG(10,("call_trans2getdfsreferral\n"));
8305
8306         if (total_params < 3) {
8307                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8308                 return;
8309         }
8310
8311         max_referral_level = SVAL(params,0);
8312
8313         if(!lp_host_msdfs()) {
8314                 reply_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
8315                 return;
8316         }
8317
8318         srvstr_pull_talloc(ctx, params, req->flags2, &pathname, &params[2],
8319                     total_params - 2, STR_TERMINATE);
8320         if (!pathname) {
8321                 reply_nterror(req, NT_STATUS_NOT_FOUND);
8322                 return;
8323         }
8324         if((reply_size = setup_dfs_referral(conn, pathname, max_referral_level,
8325                                             ppdata,&status)) < 0) {
8326                 reply_nterror(req, status);
8327                 return;
8328         }
8329
8330         SSVAL((discard_const_p(uint8_t, req->inbuf)), smb_flg2,
8331               SVAL(req->inbuf,smb_flg2) | FLAGS2_DFS_PATHNAMES);
8332         send_trans2_replies(conn, req,0,0,*ppdata,reply_size, max_data_bytes);
8333
8334         return;
8335 }
8336
8337 #define LMCAT_SPL       0x53
8338 #define LMFUNC_GETJOBID 0x60
8339
8340 /****************************************************************************
8341  Reply to a TRANS2_IOCTL - used for OS/2 printing.
8342 ****************************************************************************/
8343
8344 static void call_trans2ioctl(connection_struct *conn,
8345                              struct smb_request *req,
8346                              char **pparams, int total_params,
8347                              char **ppdata, int total_data,
8348                              unsigned int max_data_bytes)
8349 {
8350         char *pdata = *ppdata;
8351         files_struct *fsp = file_fsp(req, SVAL(req->vwv+15, 0));
8352
8353         /* check for an invalid fid before proceeding */
8354
8355         if (!fsp) {
8356                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
8357                 return;
8358         }
8359
8360         if ((SVAL(req->vwv+16, 0) == LMCAT_SPL)
8361             && (SVAL(req->vwv+17, 0) == LMFUNC_GETJOBID)) {
8362                 *ppdata = (char *)SMB_REALLOC(*ppdata, 32);
8363                 if (*ppdata == NULL) {
8364                         reply_nterror(req, NT_STATUS_NO_MEMORY);
8365                         return;
8366                 }
8367                 pdata = *ppdata;
8368
8369                 /* NOTE - THIS IS ASCII ONLY AT THE MOMENT - NOT SURE IF OS/2
8370                         CAN ACCEPT THIS IN UNICODE. JRA. */
8371
8372                 /* Job number */
8373                 if (fsp->print_file) {
8374                         SSVAL(pdata, 0, fsp->print_file->rap_jobid);
8375                 } else {
8376                         SSVAL(pdata, 0, 0);
8377                 }
8378                 srvstr_push(pdata, req->flags2, pdata + 2,
8379                             global_myname(), 15,
8380                             STR_ASCII|STR_TERMINATE); /* Our NetBIOS name */
8381                 srvstr_push(pdata, req->flags2, pdata+18,
8382                             lp_servicename(SNUM(conn)), 13,
8383                             STR_ASCII|STR_TERMINATE); /* Service name */
8384                 send_trans2_replies(conn, req, *pparams, 0, *ppdata, 32,
8385                                     max_data_bytes);
8386                 return;
8387         }
8388
8389         DEBUG(2,("Unknown TRANS2_IOCTL\n"));
8390         reply_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
8391 }
8392
8393 /****************************************************************************
8394  Reply to a SMBfindclose (stop trans2 directory search).
8395 ****************************************************************************/
8396
8397 void reply_findclose(struct smb_request *req)
8398 {
8399         int dptr_num;
8400         struct smbd_server_connection *sconn = req->sconn;
8401
8402         START_PROFILE(SMBfindclose);
8403
8404         if (req->wct < 1) {
8405                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8406                 END_PROFILE(SMBfindclose);
8407                 return;
8408         }
8409
8410         dptr_num = SVALS(req->vwv+0, 0);
8411
8412         DEBUG(3,("reply_findclose, dptr_num = %d\n", dptr_num));
8413
8414         dptr_close(sconn, &dptr_num);
8415
8416         reply_outbuf(req, 0, 0);
8417
8418         DEBUG(3,("SMBfindclose dptr_num = %d\n", dptr_num));
8419
8420         END_PROFILE(SMBfindclose);
8421         return;
8422 }
8423
8424 /****************************************************************************
8425  Reply to a SMBfindnclose (stop FINDNOTIFYFIRST directory search).
8426 ****************************************************************************/
8427
8428 void reply_findnclose(struct smb_request *req)
8429 {
8430         int dptr_num;
8431
8432         START_PROFILE(SMBfindnclose);
8433
8434         if (req->wct < 1) {
8435                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8436                 END_PROFILE(SMBfindnclose);
8437                 return;
8438         }
8439
8440         dptr_num = SVAL(req->vwv+0, 0);
8441
8442         DEBUG(3,("reply_findnclose, dptr_num = %d\n", dptr_num));
8443
8444         /* We never give out valid handles for a
8445            findnotifyfirst - so any dptr_num is ok here.
8446            Just ignore it. */
8447
8448         reply_outbuf(req, 0, 0);
8449
8450         DEBUG(3,("SMB_findnclose dptr_num = %d\n", dptr_num));
8451
8452         END_PROFILE(SMBfindnclose);
8453         return;
8454 }
8455
8456 static void handle_trans2(connection_struct *conn, struct smb_request *req,
8457                           struct trans_state *state)
8458 {
8459         if (get_Protocol() >= PROTOCOL_NT1) {
8460                 req->flags2 |= 0x40; /* IS_LONG_NAME */
8461                 SSVAL((discard_const_p(uint8_t, req->inbuf)),smb_flg2,req->flags2);
8462         }
8463
8464         if (conn->encrypt_level == Required && !req->encrypted) {
8465                 if (state->call != TRANSACT2_QFSINFO &&
8466                                 state->call != TRANSACT2_SETFSINFO) {
8467                         DEBUG(0,("handle_trans2: encryption required "
8468                                 "with call 0x%x\n",
8469                                 (unsigned int)state->call));
8470                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
8471                         return;
8472                 }
8473         }
8474
8475         SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
8476
8477         /* Now we must call the relevant TRANS2 function */
8478         switch(state->call)  {
8479         case TRANSACT2_OPEN:
8480         {
8481                 START_PROFILE(Trans2_open);
8482                 call_trans2open(conn, req,
8483                                 &state->param, state->total_param,
8484                                 &state->data, state->total_data,
8485                                 state->max_data_return);
8486                 END_PROFILE(Trans2_open);
8487                 break;
8488         }
8489
8490         case TRANSACT2_FINDFIRST:
8491         {
8492                 START_PROFILE(Trans2_findfirst);
8493                 call_trans2findfirst(conn, req,
8494                                      &state->param, state->total_param,
8495                                      &state->data, state->total_data,
8496                                      state->max_data_return);
8497                 END_PROFILE(Trans2_findfirst);
8498                 break;
8499         }
8500
8501         case TRANSACT2_FINDNEXT:
8502         {
8503                 START_PROFILE(Trans2_findnext);
8504                 call_trans2findnext(conn, req,
8505                                     &state->param, state->total_param,
8506                                     &state->data, state->total_data,
8507                                     state->max_data_return);
8508                 END_PROFILE(Trans2_findnext);
8509                 break;
8510         }
8511
8512         case TRANSACT2_QFSINFO:
8513         {
8514                 START_PROFILE(Trans2_qfsinfo);
8515                 call_trans2qfsinfo(conn, req,
8516                                    &state->param, state->total_param,
8517                                    &state->data, state->total_data,
8518                                    state->max_data_return);
8519                 END_PROFILE(Trans2_qfsinfo);
8520             break;
8521         }
8522
8523         case TRANSACT2_SETFSINFO:
8524         {
8525                 START_PROFILE(Trans2_setfsinfo);
8526                 call_trans2setfsinfo(conn, req,
8527                                      &state->param, state->total_param,
8528                                      &state->data, state->total_data,
8529                                      state->max_data_return);
8530                 END_PROFILE(Trans2_setfsinfo);
8531                 break;
8532         }
8533
8534         case TRANSACT2_QPATHINFO:
8535         case TRANSACT2_QFILEINFO:
8536         {
8537                 START_PROFILE(Trans2_qpathinfo);
8538                 call_trans2qfilepathinfo(conn, req, state->call,
8539                                          &state->param, state->total_param,
8540                                          &state->data, state->total_data,
8541                                          state->max_data_return);
8542                 END_PROFILE(Trans2_qpathinfo);
8543                 break;
8544         }
8545
8546         case TRANSACT2_SETPATHINFO:
8547         case TRANSACT2_SETFILEINFO:
8548         {
8549                 START_PROFILE(Trans2_setpathinfo);
8550                 call_trans2setfilepathinfo(conn, req, state->call,
8551                                            &state->param, state->total_param,
8552                                            &state->data, state->total_data,
8553                                            state->max_data_return);
8554                 END_PROFILE(Trans2_setpathinfo);
8555                 break;
8556         }
8557
8558         case TRANSACT2_FINDNOTIFYFIRST:
8559         {
8560                 START_PROFILE(Trans2_findnotifyfirst);
8561                 call_trans2findnotifyfirst(conn, req,
8562                                            &state->param, state->total_param,
8563                                            &state->data, state->total_data,
8564                                            state->max_data_return);
8565                 END_PROFILE(Trans2_findnotifyfirst);
8566                 break;
8567         }
8568
8569         case TRANSACT2_FINDNOTIFYNEXT:
8570         {
8571                 START_PROFILE(Trans2_findnotifynext);
8572                 call_trans2findnotifynext(conn, req,
8573                                           &state->param, state->total_param,
8574                                           &state->data, state->total_data,
8575                                           state->max_data_return);
8576                 END_PROFILE(Trans2_findnotifynext);
8577                 break;
8578         }
8579
8580         case TRANSACT2_MKDIR:
8581         {
8582                 START_PROFILE(Trans2_mkdir);
8583                 call_trans2mkdir(conn, req,
8584                                  &state->param, state->total_param,
8585                                  &state->data, state->total_data,
8586                                  state->max_data_return);
8587                 END_PROFILE(Trans2_mkdir);
8588                 break;
8589         }
8590
8591         case TRANSACT2_GET_DFS_REFERRAL:
8592         {
8593                 START_PROFILE(Trans2_get_dfs_referral);
8594                 call_trans2getdfsreferral(conn, req,
8595                                           &state->param, state->total_param,
8596                                           &state->data, state->total_data,
8597                                           state->max_data_return);
8598                 END_PROFILE(Trans2_get_dfs_referral);
8599                 break;
8600         }
8601
8602         case TRANSACT2_IOCTL:
8603         {
8604                 START_PROFILE(Trans2_ioctl);
8605                 call_trans2ioctl(conn, req,
8606                                  &state->param, state->total_param,
8607                                  &state->data, state->total_data,
8608                                  state->max_data_return);
8609                 END_PROFILE(Trans2_ioctl);
8610                 break;
8611         }
8612
8613         default:
8614                 /* Error in request */
8615                 DEBUG(2,("Unknown request %d in trans2 call\n", state->call));
8616                 reply_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
8617         }
8618 }
8619
8620 /****************************************************************************
8621  Reply to a SMBtrans2.
8622  ****************************************************************************/
8623
8624 void reply_trans2(struct smb_request *req)
8625 {
8626         connection_struct *conn = req->conn;
8627         unsigned int dsoff;
8628         unsigned int dscnt;
8629         unsigned int psoff;
8630         unsigned int pscnt;
8631         unsigned int tran_call;
8632         struct trans_state *state;
8633         NTSTATUS result;
8634
8635         START_PROFILE(SMBtrans2);
8636
8637         if (req->wct < 14) {
8638                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8639                 END_PROFILE(SMBtrans2);
8640                 return;
8641         }
8642
8643         dsoff = SVAL(req->vwv+12, 0);
8644         dscnt = SVAL(req->vwv+11, 0);
8645         psoff = SVAL(req->vwv+10, 0);
8646         pscnt = SVAL(req->vwv+9, 0);
8647         tran_call = SVAL(req->vwv+14, 0);
8648
8649         result = allow_new_trans(conn->pending_trans, req->mid);
8650         if (!NT_STATUS_IS_OK(result)) {
8651                 DEBUG(2, ("Got invalid trans2 request: %s\n",
8652                           nt_errstr(result)));
8653                 reply_nterror(req, result);
8654                 END_PROFILE(SMBtrans2);
8655                 return;
8656         }
8657
8658         if (IS_IPC(conn)) {
8659                 switch (tran_call) {
8660                 /* List the allowed trans2 calls on IPC$ */
8661                 case TRANSACT2_OPEN:
8662                 case TRANSACT2_GET_DFS_REFERRAL:
8663                 case TRANSACT2_QFILEINFO:
8664                 case TRANSACT2_QFSINFO:
8665                 case TRANSACT2_SETFSINFO:
8666                         break;
8667                 default:
8668                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
8669                         END_PROFILE(SMBtrans2);
8670                         return;
8671                 }
8672         }
8673
8674         if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
8675                 DEBUG(0, ("talloc failed\n"));
8676                 reply_nterror(req, NT_STATUS_NO_MEMORY);
8677                 END_PROFILE(SMBtrans2);
8678                 return;
8679         }
8680
8681         state->cmd = SMBtrans2;
8682
8683         state->mid = req->mid;
8684         state->vuid = req->vuid;
8685         state->setup_count = SVAL(req->vwv+13, 0);
8686         state->setup = NULL;
8687         state->total_param = SVAL(req->vwv+0, 0);
8688         state->param = NULL;
8689         state->total_data =  SVAL(req->vwv+1, 0);
8690         state->data = NULL;
8691         state->max_param_return = SVAL(req->vwv+2, 0);
8692         state->max_data_return  = SVAL(req->vwv+3, 0);
8693         state->max_setup_return = SVAL(req->vwv+4, 0);
8694         state->close_on_completion = BITSETW(req->vwv+5, 0);
8695         state->one_way = BITSETW(req->vwv+5, 1);
8696
8697         state->call = tran_call;
8698
8699         /* All trans2 messages we handle have smb_sucnt == 1 - ensure this
8700            is so as a sanity check */
8701         if (state->setup_count != 1) {
8702                 /*
8703                  * Need to have rc=0 for ioctl to get job id for OS/2.
8704                  *  Network printing will fail if function is not successful.
8705                  *  Similar function in reply.c will be used if protocol
8706                  *  is LANMAN1.0 instead of LM1.2X002.
8707                  *  Until DosPrintSetJobInfo with PRJINFO3 is supported,
8708                  *  outbuf doesn't have to be set(only job id is used).
8709                  */
8710                 if ( (state->setup_count == 4)
8711                      && (tran_call == TRANSACT2_IOCTL)
8712                      && (SVAL(req->vwv+16, 0) == LMCAT_SPL)
8713                      && (SVAL(req->vwv+17, 0) == LMFUNC_GETJOBID)) {
8714                         DEBUG(2,("Got Trans2 DevIOctl jobid\n"));
8715                 } else {
8716                         DEBUG(2,("Invalid smb_sucnt in trans2 call(%u)\n",state->setup_count));
8717                         DEBUG(2,("Transaction is %d\n",tran_call));
8718                         TALLOC_FREE(state);
8719                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8720                         END_PROFILE(SMBtrans2);
8721                         return;
8722                 }
8723         }
8724
8725         if ((dscnt > state->total_data) || (pscnt > state->total_param))
8726                 goto bad_param;
8727
8728         if (state->total_data) {
8729
8730                 if (trans_oob(state->total_data, 0, dscnt)
8731                     || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
8732                         goto bad_param;
8733                 }
8734
8735                 /* Can't use talloc here, the core routines do realloc on the
8736                  * params and data. */
8737                 state->data = (char *)SMB_MALLOC(state->total_data);
8738                 if (state->data == NULL) {
8739                         DEBUG(0,("reply_trans2: data malloc fail for %u "
8740                                  "bytes !\n", (unsigned int)state->total_data));
8741                         TALLOC_FREE(state);
8742                         reply_nterror(req, NT_STATUS_NO_MEMORY);
8743                         END_PROFILE(SMBtrans2);
8744                         return;
8745                 }
8746
8747                 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
8748         }
8749
8750         if (state->total_param) {
8751
8752                 if (trans_oob(state->total_param, 0, pscnt)
8753                     || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
8754                         goto bad_param;
8755                 }
8756
8757                 /* Can't use talloc here, the core routines do realloc on the
8758                  * params and data. */
8759                 state->param = (char *)SMB_MALLOC(state->total_param);
8760                 if (state->param == NULL) {
8761                         DEBUG(0,("reply_trans: param malloc fail for %u "
8762                                  "bytes !\n", (unsigned int)state->total_param));
8763                         SAFE_FREE(state->data);
8764                         TALLOC_FREE(state);
8765                         reply_nterror(req, NT_STATUS_NO_MEMORY);
8766                         END_PROFILE(SMBtrans2);
8767                         return;
8768                 }
8769
8770                 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
8771         }
8772
8773         state->received_data  = dscnt;
8774         state->received_param = pscnt;
8775
8776         if ((state->received_param == state->total_param) &&
8777             (state->received_data == state->total_data)) {
8778
8779                 handle_trans2(conn, req, state);
8780
8781                 SAFE_FREE(state->data);
8782                 SAFE_FREE(state->param);
8783                 TALLOC_FREE(state);
8784                 END_PROFILE(SMBtrans2);
8785                 return;
8786         }
8787
8788         DLIST_ADD(conn->pending_trans, state);
8789
8790         /* We need to send an interim response then receive the rest
8791            of the parameter/data bytes */
8792         reply_outbuf(req, 0, 0);
8793         show_msg((char *)req->outbuf);
8794         END_PROFILE(SMBtrans2);
8795         return;
8796
8797   bad_param:
8798
8799         DEBUG(0,("reply_trans2: invalid trans parameters\n"));
8800         SAFE_FREE(state->data);
8801         SAFE_FREE(state->param);
8802         TALLOC_FREE(state);
8803         END_PROFILE(SMBtrans2);
8804         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8805 }
8806
8807
8808 /****************************************************************************
8809  Reply to a SMBtranss2
8810  ****************************************************************************/
8811
8812 void reply_transs2(struct smb_request *req)
8813 {
8814         connection_struct *conn = req->conn;
8815         unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
8816         struct trans_state *state;
8817
8818         START_PROFILE(SMBtranss2);
8819
8820         show_msg((const char *)req->inbuf);
8821
8822         if (req->wct < 8) {
8823                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8824                 END_PROFILE(SMBtranss2);
8825                 return;
8826         }
8827
8828         for (state = conn->pending_trans; state != NULL;
8829              state = state->next) {
8830                 if (state->mid == req->mid) {
8831                         break;
8832                 }
8833         }
8834
8835         if ((state == NULL) || (state->cmd != SMBtrans2)) {
8836                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8837                 END_PROFILE(SMBtranss2);
8838                 return;
8839         }
8840
8841         /* Revise state->total_param and state->total_data in case they have
8842            changed downwards */
8843
8844         if (SVAL(req->vwv+0, 0) < state->total_param)
8845                 state->total_param = SVAL(req->vwv+0, 0);
8846         if (SVAL(req->vwv+1, 0) < state->total_data)
8847                 state->total_data = SVAL(req->vwv+1, 0);
8848
8849         pcnt = SVAL(req->vwv+2, 0);
8850         poff = SVAL(req->vwv+3, 0);
8851         pdisp = SVAL(req->vwv+4, 0);
8852
8853         dcnt = SVAL(req->vwv+5, 0);
8854         doff = SVAL(req->vwv+6, 0);
8855         ddisp = SVAL(req->vwv+7, 0);
8856
8857         state->received_param += pcnt;
8858         state->received_data += dcnt;
8859
8860         if ((state->received_data > state->total_data) ||
8861             (state->received_param > state->total_param))
8862                 goto bad_param;
8863
8864         if (pcnt) {
8865                 if (trans_oob(state->total_param, pdisp, pcnt)
8866                     || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
8867                         goto bad_param;
8868                 }
8869                 memcpy(state->param+pdisp,smb_base(req->inbuf)+poff,pcnt);
8870         }
8871
8872         if (dcnt) {
8873                 if (trans_oob(state->total_data, ddisp, dcnt)
8874                     || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
8875                         goto bad_param;
8876                 }
8877                 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
8878         }
8879
8880         if ((state->received_param < state->total_param) ||
8881             (state->received_data < state->total_data)) {
8882                 END_PROFILE(SMBtranss2);
8883                 return;
8884         }
8885
8886         handle_trans2(conn, req, state);
8887
8888         DLIST_REMOVE(conn->pending_trans, state);
8889         SAFE_FREE(state->data);
8890         SAFE_FREE(state->param);
8891         TALLOC_FREE(state);
8892
8893         END_PROFILE(SMBtranss2);
8894         return;
8895
8896   bad_param:
8897
8898         DEBUG(0,("reply_transs2: invalid trans parameters\n"));
8899         DLIST_REMOVE(conn->pending_trans, state);
8900         SAFE_FREE(state->data);
8901         SAFE_FREE(state->param);
8902         TALLOC_FREE(state);
8903         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8904         END_PROFILE(SMBtranss2);
8905         return;
8906 }