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