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