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
  28 extern int max_send;
  29 extern enum protocol_types Protocol;
  30 extern uint32 global_client_caps;
  31
  32 #define get_file_size(sbuf) ((sbuf).st_size)
  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  Given a stat buffer return the allocated size on disk, taking into
  64  account sparse files.
  65 ********************************************************************/
  66
  67 uint64_t get_allocation_size(connection_struct *conn, files_struct *fsp, const SMB_STRUCT_STAT *sbuf)
  68 {
  69         uint64_t ret;
  70
  71         if(S_ISDIR(sbuf->st_mode)) {
  72                 return 0;
  73         }
  74
  75 #if defined(HAVE_STAT_ST_BLOCKS) && defined(STAT_ST_BLOCKSIZE)
  76         ret = (uint64_t)STAT_ST_BLOCKSIZE * (uint64_t)sbuf->st_blocks;
  77 #else
  78         ret = (uint64_t)get_file_size(*sbuf);
  79 #endif
  80
  81         if (fsp && fsp->initial_allocation_size)
  82                 ret = MAX(ret,fsp->initial_allocation_size);
  83
  84         return smb_roundup(conn, ret);
  85 }
  86
  87 /****************************************************************************
  88  Utility functions for dealing with extended attributes.
  89 ****************************************************************************/
  90
  91 /****************************************************************************
  92  Refuse to allow clients to overwrite our private xattrs.
  93 ****************************************************************************/
  94
  95 static bool samba_private_attr_name(const char *unix_ea_name)
  96 {
  97         static const char *prohibited_ea_names[] = {
  98                 SAMBA_POSIX_INHERITANCE_EA_NAME,
  99                 SAMBA_XATTR_DOS_ATTRIB,
 100                 NULL
 101         };
 102
 103         int i;
 104
 105         for (i = 0; prohibited_ea_names[i]; i++) {
 106                 if (strequal( prohibited_ea_names[i], unix_ea_name))
 107                         return true;
 108         }
 109         if (StrnCaseCmp(unix_ea_name, SAMBA_XATTR_DOSSTREAM_PREFIX,
 110                         strlen(SAMBA_XATTR_DOSSTREAM_PREFIX)) == 0) {
 111                 return true;
 112         }
 113         return false;
 114 }
 115
 116 /****************************************************************************
 117  Get one EA value. Fill in a struct ea_struct.
 118 ****************************************************************************/
 119
 120 NTSTATUS get_ea_value(TALLOC_CTX *mem_ctx, connection_struct *conn,
 121                       files_struct *fsp, const char *fname,
 122                       const char *ea_name, struct ea_struct *pea)
 123 {
 124         /* Get the value of this xattr. Max size is 64k. */
 125         size_t attr_size = 256;
 126         char *val = NULL;
 127         ssize_t sizeret;
 128
 129  again:
 130
 131         val = TALLOC_REALLOC_ARRAY(mem_ctx, val, char, attr_size);
 132         if (!val) {
 133                 return NT_STATUS_NO_MEMORY;
 134         }
 135
 136         if (fsp && fsp->fh->fd != -1) {
 137                 sizeret = SMB_VFS_FGETXATTR(fsp, ea_name, val, attr_size);
 138         } else {
 139                 sizeret = SMB_VFS_GETXATTR(conn, fname, ea_name, val, attr_size);
 140         }
 141
 142         if (sizeret == -1 && errno == ERANGE && attr_size != 65536) {
 143                 attr_size = 65536;
 144                 goto again;
 145         }
 146
 147         if (sizeret == -1) {
 148                 return map_nt_error_from_unix(errno);
 149         }
 150
 151         DEBUG(10,("get_ea_value: EA %s is of length %u\n", ea_name, (unsigned int)sizeret));
 152         dump_data(10, (uint8 *)val, sizeret);
 153
 154         pea->flags = 0;
 155         if (strnequal(ea_name, "user.", 5)) {
 156                 pea->name = talloc_strdup(mem_ctx, &ea_name[5]);
 157         } else {
 158                 pea->name = talloc_strdup(mem_ctx, ea_name);
 159         }
 160         if (pea->name == NULL) {
 161                 TALLOC_FREE(val);
 162                 return NT_STATUS_NO_MEMORY;
 163         }
 164         pea->value.data = (unsigned char *)val;
 165         pea->value.length = (size_t)sizeret;
 166         return NT_STATUS_OK;
 167 }
 168
 169 NTSTATUS get_ea_names_from_file(TALLOC_CTX *mem_ctx, connection_struct *conn,
 170                                 files_struct *fsp, const char *fname,
 171                                 char ***pnames, size_t *pnum_names)
 172 {
 173         /* Get a list of all xattrs. Max namesize is 64k. */
 174         size_t ea_namelist_size = 1024;
 175         char *ea_namelist = NULL;
 176
 177         char *p;
 178         char **names, **tmp;
 179         size_t num_names;
 180         ssize_t sizeret = -1;
 181
 182         if (!lp_ea_support(SNUM(conn))) {
 183                 *pnames = NULL;
 184                 *pnum_names = 0;
 185                 return NT_STATUS_OK;
 186         }
 187
 188         /*
 189          * TALLOC the result early to get the talloc hierarchy right.
 190          */
 191
 192         names = TALLOC_ARRAY(mem_ctx, char *, 1);
 193         if (names == NULL) {
 194                 DEBUG(0, ("talloc failed\n"));
 195                 return NT_STATUS_NO_MEMORY;
 196         }
 197
 198         while (ea_namelist_size <= 65536) {
 199
 200                 ea_namelist = TALLOC_REALLOC_ARRAY(
 201                         names, ea_namelist, char, ea_namelist_size);
 202                 if (ea_namelist == NULL) {
 203                         DEBUG(0, ("talloc failed\n"));
 204                         TALLOC_FREE(names);
 205                         return NT_STATUS_NO_MEMORY;
 206                 }
 207
 208                 if (fsp && fsp->fh->fd != -1) {
 209                         sizeret = SMB_VFS_FLISTXATTR(fsp, ea_namelist,
 210                                                      ea_namelist_size);
 211                 } else {
 212                         sizeret = SMB_VFS_LISTXATTR(conn, fname, ea_namelist,
 213                                                     ea_namelist_size);
 214                 }
 215
 216                 if ((sizeret == -1) && (errno == ERANGE)) {
 217                         ea_namelist_size *= 2;
 218                 }
 219                 else {
 220                         break;
 221                 }
 222         }
 223
 224         if (sizeret == -1) {
 225                 TALLOC_FREE(names);
 226                 return map_nt_error_from_unix(errno);
 227         }
 228
 229         DEBUG(10, ("get_ea_list_from_file: ea_namelist size = %u\n",
 230                    (unsigned int)sizeret));
 231
 232         if (sizeret == 0) {
 233                 TALLOC_FREE(names);
 234                 *pnames = NULL;
 235                 *pnum_names = 0;
 236                 return NT_STATUS_OK;
 237         }
 238
 239         /*
 240          * Ensure the result is 0-terminated
 241          */
 242
 243         if (ea_namelist[sizeret-1] != '\0') {
 244                 TALLOC_FREE(names);
 245                 return NT_STATUS_INTERNAL_ERROR;
 246         }
 247
 248         /*
 249          * count the names
 250          */
 251         num_names = 0;
 252
 253         for (p = ea_namelist; p - ea_namelist < sizeret; p += strlen(p)+1) {
 254                 num_names += 1;
 255         }
 256
 257         tmp = TALLOC_REALLOC_ARRAY(mem_ctx, names, char *, num_names);
 258         if (tmp == NULL) {
 259                 DEBUG(0, ("talloc failed\n"));
 260                 TALLOC_FREE(names);
 261                 return NT_STATUS_NO_MEMORY;
 262         }
 263
 264         names = tmp;
 265         num_names = 0;
 266
 267         for (p = ea_namelist; p - ea_namelist < sizeret; p += strlen(p)+1) {
 268                 names[num_names++] = p;
 269         }
 270
 271         *pnames = names;
 272         *pnum_names = num_names;
 273         return NT_STATUS_OK;
 274 }
 275
 276 /****************************************************************************
 277  Return a linked list of the total EA's. Plus the total size
 278 ****************************************************************************/
 279
 280 static struct ea_list *get_ea_list_from_file(TALLOC_CTX *mem_ctx, connection_struct *conn, files_struct *fsp,
 281                                         const char *fname, size_t *pea_total_len)
 282 {
 283         /* Get a list of all xattrs. Max namesize is 64k. */
 284         size_t i, num_names;
 285         char **names;
 286         struct ea_list *ea_list_head = NULL;
 287         NTSTATUS status;
 288
 289         *pea_total_len = 0;
 290
 291         if (!lp_ea_support(SNUM(conn))) {
 292                 return NULL;
 293         }
 294
 295         status = get_ea_names_from_file(talloc_tos(), conn, fsp, fname,
 296                                         &names, &num_names);
 297
 298         if (!NT_STATUS_IS_OK(status) || (num_names == 0)) {
 299                 return NULL;
 300         }
 301
 302         for (i=0; i<num_names; i++) {
 303                 struct ea_list *listp;
 304                 fstring dos_ea_name;
 305
 306                 if (strnequal(names[i], "system.", 7)
 307                     || samba_private_attr_name(names[i]))
 308                         continue;
 309
 310                 listp = TALLOC_P(mem_ctx, struct ea_list);
 311                 if (listp == NULL) {
 312                         return NULL;
 313                 }
 314
 315                 if (!NT_STATUS_IS_OK(get_ea_value(mem_ctx, conn, fsp,
 316                                                   fname, names[i],
 317                                                   &listp->ea))) {
 318                         return NULL;
 319                 }
 320
 321                 push_ascii_fstring(dos_ea_name, listp->ea.name);
 322
 323                 *pea_total_len +=
 324                         4 + strlen(dos_ea_name) + 1 + listp->ea.value.length;
 325
 326                 DEBUG(10,("get_ea_list_from_file: total_len = %u, %s, val len "
 327                           "= %u\n", (unsigned int)*pea_total_len, dos_ea_name,
 328                           (unsigned int)listp->ea.value.length));
 329
 330                 DLIST_ADD_END(ea_list_head, listp, struct ea_list *);
 331
 332         }
 333
 334         /* Add on 4 for total length. */
 335         if (*pea_total_len) {
 336                 *pea_total_len += 4;
 337         }
 338
 339         DEBUG(10, ("get_ea_list_from_file: total_len = %u\n",
 340                    (unsigned int)*pea_total_len));
 341
 342         return ea_list_head;
 343 }
 344
 345 /****************************************************************************
 346  Fill a qfilepathinfo buffer with EA's. Returns the length of the buffer
 347  that was filled.
 348 ****************************************************************************/
 349
 350 static unsigned int fill_ea_buffer(TALLOC_CTX *mem_ctx, char *pdata, unsigned int total_data_size,
 351         connection_struct *conn, struct ea_list *ea_list)
 352 {
 353         unsigned int ret_data_size = 4;
 354         char *p = pdata;
 355
 356         SMB_ASSERT(total_data_size >= 4);
 357
 358         if (!lp_ea_support(SNUM(conn))) {
 359                 SIVAL(pdata,4,0);
 360                 return 4;
 361         }
 362
 363         for (p = pdata + 4; ea_list; ea_list = ea_list->next) {
 364                 size_t dos_namelen;
 365                 fstring dos_ea_name;
 366                 push_ascii_fstring(dos_ea_name, ea_list->ea.name);
 367                 dos_namelen = strlen(dos_ea_name);
 368                 if (dos_namelen > 255 || dos_namelen == 0) {
 369                         break;
 370                 }
 371                 if (ea_list->ea.value.length > 65535) {
 372                         break;
 373                 }
 374                 if (4 + dos_namelen + 1 + ea_list->ea.value.length > total_data_size) {
 375                         break;
 376                 }
 377
 378                 /* We know we have room. */
 379                 SCVAL(p,0,ea_list->ea.flags);
 380                 SCVAL(p,1,dos_namelen);
 381                 SSVAL(p,2,ea_list->ea.value.length);
 382                 fstrcpy(p+4, dos_ea_name);
 383                 memcpy( p + 4 + dos_namelen + 1, ea_list->ea.value.data, ea_list->ea.value.length);
 384
 385                 total_data_size -= 4 + dos_namelen + 1 + ea_list->ea.value.length;
 386                 p += 4 + dos_namelen + 1 + ea_list->ea.value.length;
 387         }
 388
 389         ret_data_size = PTR_DIFF(p, pdata);
 390         DEBUG(10,("fill_ea_buffer: data_size = %u\n", ret_data_size ));
 391         SIVAL(pdata,0,ret_data_size);
 392         return ret_data_size;
 393 }
 394
 395 static unsigned int estimate_ea_size(connection_struct *conn, files_struct *fsp, const char *fname)
 396 {
 397         size_t total_ea_len = 0;
 398         TALLOC_CTX *mem_ctx = NULL;
 399
 400         if (!lp_ea_support(SNUM(conn))) {
 401                 return 0;
 402         }
 403         mem_ctx = talloc_tos();
 404         (void)get_ea_list_from_file(mem_ctx, conn, fsp, fname, &total_ea_len);
 405         return total_ea_len;
 406 }
 407
 408 /****************************************************************************
 409  Ensure the EA name is case insensitive by matching any existing EA name.
 410 ****************************************************************************/
 411
 412 static void canonicalize_ea_name(connection_struct *conn, files_struct *fsp, const char *fname, fstring unix_ea_name)
 413 {
 414         size_t total_ea_len;
 415         TALLOC_CTX *mem_ctx = talloc_tos();
 416         struct ea_list *ea_list = get_ea_list_from_file(mem_ctx, conn, fsp, fname, &total_ea_len);
 417
 418         for (; ea_list; ea_list = ea_list->next) {
 419                 if (strequal(&unix_ea_name[5], ea_list->ea.name)) {
 420                         DEBUG(10,("canonicalize_ea_name: %s -> %s\n",
 421                                 &unix_ea_name[5], ea_list->ea.name));
 422                         safe_strcpy(&unix_ea_name[5], ea_list->ea.name, sizeof(fstring)-6);
 423                         break;
 424                 }
 425         }
 426 }
 427
 428 /****************************************************************************
 429  Set or delete an extended attribute.
 430 ****************************************************************************/
 431
 432 NTSTATUS set_ea(connection_struct *conn, files_struct *fsp, const char *fname, struct ea_list *ea_list)
 433 {
 434         if (!lp_ea_support(SNUM(conn))) {
 435                 return NT_STATUS_EAS_NOT_SUPPORTED;
 436         }
 437
 438         for (;ea_list; ea_list = ea_list->next) {
 439                 int ret;
 440                 fstring unix_ea_name;
 441
 442                 fstrcpy(unix_ea_name, "user."); /* All EA's must start with user. */
 443                 fstrcat(unix_ea_name, ea_list->ea.name);
 444
 445                 canonicalize_ea_name(conn, fsp, fname, unix_ea_name);
 446
 447                 DEBUG(10,("set_ea: ea_name %s ealen = %u\n", unix_ea_name, (unsigned int)ea_list->ea.value.length));
 448
 449                 if (samba_private_attr_name(unix_ea_name)) {
 450                         DEBUG(10,("set_ea: ea name %s is a private Samba name.\n", unix_ea_name));
 451                         return NT_STATUS_ACCESS_DENIED;
 452                 }
 453
 454                 if (ea_list->ea.value.length == 0) {
 455                         /* Remove the attribute. */
 456                         if (fsp && (fsp->fh->fd != -1)) {
 457                                 DEBUG(10,("set_ea: deleting ea name %s on file %s by file descriptor.\n",
 458                                         unix_ea_name, fsp->fsp_name));
 459                                 ret = SMB_VFS_FREMOVEXATTR(fsp, unix_ea_name);
 460                         } else {
 461                                 DEBUG(10,("set_ea: deleting ea name %s on file %s.\n",
 462                                         unix_ea_name, fname));
 463                                 ret = SMB_VFS_REMOVEXATTR(conn, fname, unix_ea_name);
 464                         }
 465 #ifdef ENOATTR
 466                         /* Removing a non existent attribute always succeeds. */
 467                         if (ret == -1 && errno == ENOATTR) {
 468                                 DEBUG(10,("set_ea: deleting ea name %s didn't exist - succeeding by default.\n",
 469                                                 unix_ea_name));
 470                                 ret = 0;
 471                         }
 472 #endif
 473                 } else {
 474                         if (fsp && (fsp->fh->fd != -1)) {
 475                                 DEBUG(10,("set_ea: setting ea name %s on file %s by file descriptor.\n",
 476                                         unix_ea_name, fsp->fsp_name));
 477                                 ret = SMB_VFS_FSETXATTR(fsp, unix_ea_name,
 478                                                         ea_list->ea.value.data, ea_list->ea.value.length, 0);
 479                         } else {
 480                                 DEBUG(10,("set_ea: setting ea name %s on file %s.\n",
 481                                         unix_ea_name, fname));
 482                                 ret = SMB_VFS_SETXATTR(conn, fname, unix_ea_name,
 483                                                         ea_list->ea.value.data, ea_list->ea.value.length, 0);
 484                         }
 485                 }
 486
 487                 if (ret == -1) {
 488 #ifdef ENOTSUP
 489                         if (errno == ENOTSUP) {
 490                                 return NT_STATUS_EAS_NOT_SUPPORTED;
 491                         }
 492 #endif
 493                         return map_nt_error_from_unix(errno);
 494                 }
 495
 496         }
 497         return NT_STATUS_OK;
 498 }
 499 /****************************************************************************
 500  Read a list of EA names from an incoming data buffer. Create an ea_list with them.
 501 ****************************************************************************/
 502
 503 static struct ea_list *read_ea_name_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
 504 {
 505         struct ea_list *ea_list_head = NULL;
 506         size_t converted_size, offset = 0;
 507
 508         while (offset + 2 < data_size) {
 509                 struct ea_list *eal = TALLOC_ZERO_P(ctx, struct ea_list);
 510                 unsigned int namelen = CVAL(pdata,offset);
 511
 512                 offset++; /* Go past the namelen byte. */
 513
 514                 /* integer wrap paranioa. */
 515                 if ((offset + namelen < offset) || (offset + namelen < namelen) ||
 516                                 (offset > data_size) || (namelen > data_size) ||
 517                                 (offset + namelen >= data_size)) {
 518                         break;
 519                 }
 520                 /* Ensure the name is null terminated. */
 521                 if (pdata[offset + namelen] != '\0') {
 522                         return NULL;
 523                 }
 524                 if (!pull_ascii_talloc(ctx, &eal->ea.name, &pdata[offset],
 525                                        &converted_size)) {
 526                         DEBUG(0,("read_ea_name_list: pull_ascii_talloc "
 527                                  "failed: %s", strerror(errno)));
 528                 }
 529                 if (!eal->ea.name) {
 530                         return NULL;
 531                 }
 532
 533                 offset += (namelen + 1); /* Go past the name + terminating zero. */
 534                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
 535                 DEBUG(10,("read_ea_name_list: read ea name %s\n", eal->ea.name));
 536         }
 537
 538         return ea_list_head;
 539 }
 540
 541 /****************************************************************************
 542  Read one EA list entry from the buffer.
 543 ****************************************************************************/
 544
 545 struct ea_list *read_ea_list_entry(TALLOC_CTX *ctx, const char *pdata, size_t data_size, size_t *pbytes_used)
 546 {
 547         struct ea_list *eal = TALLOC_ZERO_P(ctx, struct ea_list);
 548         uint16 val_len;
 549         unsigned int namelen;
 550         size_t converted_size;
 551
 552         if (!eal) {
 553                 return NULL;
 554         }
 555
 556         if (data_size < 6) {
 557                 return NULL;
 558         }
 559
 560         eal->ea.flags = CVAL(pdata,0);
 561         namelen = CVAL(pdata,1);
 562         val_len = SVAL(pdata,2);
 563
 564         if (4 + namelen + 1 + val_len > data_size) {
 565                 return NULL;
 566         }
 567
 568         /* Ensure the name is null terminated. */
 569         if (pdata[namelen + 4] != '\0') {
 570                 return NULL;
 571         }
 572         if (!pull_ascii_talloc(ctx, &eal->ea.name, pdata + 4, &converted_size)) {
 573                 DEBUG(0,("read_ea_list_entry: pull_ascii_talloc failed: %s",
 574                          strerror(errno)));
 575         }
 576         if (!eal->ea.name) {
 577                 return NULL;
 578         }
 579
 580         eal->ea.value = data_blob_talloc(eal, NULL, (size_t)val_len + 1);
 581         if (!eal->ea.value.data) {
 582                 return NULL;
 583         }
 584
 585         memcpy(eal->ea.value.data, pdata + 4 + namelen + 1, val_len);
 586
 587         /* Ensure we're null terminated just in case we print the value. */
 588         eal->ea.value.data[val_len] = '\0';
 589         /* But don't count the null. */
 590         eal->ea.value.length--;
 591
 592         if (pbytes_used) {
 593                 *pbytes_used = 4 + namelen + 1 + val_len;
 594         }
 595
 596         DEBUG(10,("read_ea_list_entry: read ea name %s\n", eal->ea.name));
 597         dump_data(10, eal->ea.value.data, eal->ea.value.length);
 598
 599         return eal;
 600 }
 601
 602 /****************************************************************************
 603  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
 604 ****************************************************************************/
 605
 606 static struct ea_list *read_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
 607 {
 608         struct ea_list *ea_list_head = NULL;
 609         size_t offset = 0;
 610         size_t bytes_used = 0;
 611
 612         while (offset < data_size) {
 613                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset, data_size - offset, &bytes_used);
 614
 615                 if (!eal) {
 616                         return NULL;
 617                 }
 618
 619                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
 620                 offset += bytes_used;
 621         }
 622
 623         return ea_list_head;
 624 }
 625
 626 /****************************************************************************
 627  Count the total EA size needed.
 628 ****************************************************************************/
 629
 630 static size_t ea_list_size(struct ea_list *ealist)
 631 {
 632         fstring dos_ea_name;
 633         struct ea_list *listp;
 634         size_t ret = 0;
 635
 636         for (listp = ealist; listp; listp = listp->next) {
 637                 push_ascii_fstring(dos_ea_name, listp->ea.name);
 638                 ret += 4 + strlen(dos_ea_name) + 1 + listp->ea.value.length;
 639         }
 640         /* Add on 4 for total length. */
 641         if (ret) {
 642                 ret += 4;
 643         }
 644
 645         return ret;
 646 }
 647
 648 /****************************************************************************
 649  Return a union of EA's from a file list and a list of names.
 650  The TALLOC context for the two lists *MUST* be identical as we steal
 651  memory from one list to add to another. JRA.
 652 ****************************************************************************/
 653
 654 static struct ea_list *ea_list_union(struct ea_list *name_list, struct ea_list *file_list, size_t *total_ea_len)
 655 {
 656         struct ea_list *nlistp, *flistp;
 657
 658         for (nlistp = name_list; nlistp; nlistp = nlistp->next) {
 659                 for (flistp = file_list; flistp; flistp = flistp->next) {
 660                         if (strequal(nlistp->ea.name, flistp->ea.name)) {
 661                                 break;
 662                         }
 663                 }
 664
 665                 if (flistp) {
 666                         /* Copy the data from this entry. */
 667                         nlistp->ea.flags = flistp->ea.flags;
 668                         nlistp->ea.value = flistp->ea.value;
 669                 } else {
 670                         /* Null entry. */
 671                         nlistp->ea.flags = 0;
 672                         ZERO_STRUCT(nlistp->ea.value);
 673                 }
 674         }
 675
 676         *total_ea_len = ea_list_size(name_list);
 677         return name_list;
 678 }
 679
 680 /****************************************************************************
 681   Send the required number of replies back.
 682   We assume all fields other than the data fields are
 683   set correctly for the type of call.
 684   HACK ! Always assumes smb_setup field is zero.
 685 ****************************************************************************/
 686
 687 void send_trans2_replies(connection_struct *conn,
 688                         struct smb_request *req,
 689                          const char *params,
 690                          int paramsize,
 691                          const char *pdata,
 692                          int datasize,
 693                          int max_data_bytes)
 694 {
 695         /* As we are using a protocol > LANMAN1 then the max_send
 696          variable must have been set in the sessetupX call.
 697          This takes precedence over the max_xmit field in the
 698          global struct. These different max_xmit variables should
 699          be merged as this is now too confusing */
 700
 701         int data_to_send = datasize;
 702         int params_to_send = paramsize;
 703         int useable_space;
 704         const char *pp = params;
 705         const char *pd = pdata;
 706         int params_sent_thistime, data_sent_thistime, total_sent_thistime;
 707         int alignment_offset = 1; /* JRA. This used to be 3. Set to 1 to make netmon parse ok. */
 708         int data_alignment_offset = 0;
 709         bool overflow = False;
 710
 711         /* Modify the data_to_send and datasize and set the error if
 712            we're trying to send more than max_data_bytes. We still send
 713            the part of the packet(s) that fit. Strange, but needed
 714            for OS/2. */
 715
 716         if (max_data_bytes > 0 && datasize > max_data_bytes) {
 717                 DEBUG(5,("send_trans2_replies: max_data_bytes %d exceeded by data %d\n",
 718                         max_data_bytes, datasize ));
 719                 datasize = data_to_send = max_data_bytes;
 720                 overflow = True;
 721         }
 722
 723         /* If there genuinely are no parameters or data to send just send the empty packet */
 724
 725         if(params_to_send == 0 && data_to_send == 0) {
 726                 reply_outbuf(req, 10, 0);
 727                 show_msg((char *)req->outbuf);
 728                 return;
 729         }
 730
 731         /* When sending params and data ensure that both are nicely aligned */
 732         /* Only do this alignment when there is also data to send - else
 733                 can cause NT redirector problems. */
 734
 735         if (((params_to_send % 4) != 0) && (data_to_send != 0))
 736                 data_alignment_offset = 4 - (params_to_send % 4);
 737
 738         /* Space is bufsize minus Netbios over TCP header minus SMB header */
 739         /* The alignment_offset is to align the param bytes on an even byte
 740                 boundary. NT 4.0 Beta needs this to work correctly. */
 741
 742         useable_space = max_send - (smb_size
 743                                     + 2 * 10 /* wct */
 744                                     + alignment_offset
 745                                     + data_alignment_offset);
 746
 747         if (useable_space < 0) {
 748                 DEBUG(0, ("send_trans2_replies failed sanity useable_space "
 749                           "= %d!!!", useable_space));
 750                 exit_server_cleanly("send_trans2_replies: Not enough space");
 751         }
 752
 753         while (params_to_send || data_to_send) {
 754                 /* Calculate whether we will totally or partially fill this packet */
 755
 756                 total_sent_thistime = params_to_send + data_to_send;
 757
 758                 /* We can never send more than useable_space */
 759                 /*
 760                  * Note that 'useable_space' does not include the alignment offsets,
 761                  * but we must include the alignment offsets in the calculation of
 762                  * the length of the data we send over the wire, as the alignment offsets
 763                  * are sent here. Fix from Marc_Jacobsen@hp.com.
 764                  */
 765
 766                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
 767
 768                 reply_outbuf(req, 10, total_sent_thistime + alignment_offset
 769                              + data_alignment_offset);
 770
 771                 /*
 772                  * We might have SMBtrans2s in req which was transferred to
 773                  * the outbuf, fix that.
 774                  */
 775                 SCVAL(req->outbuf, smb_com, SMBtrans2);
 776
 777                 /* Set total params and data to be sent */
 778                 SSVAL(req->outbuf,smb_tprcnt,paramsize);
 779                 SSVAL(req->outbuf,smb_tdrcnt,datasize);
 780
 781                 /* Calculate how many parameters and data we can fit into
 782                  * this packet. Parameters get precedence
 783                  */
 784
 785                 params_sent_thistime = MIN(params_to_send,useable_space);
 786                 data_sent_thistime = useable_space - params_sent_thistime;
 787                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
 788
 789                 SSVAL(req->outbuf,smb_prcnt, params_sent_thistime);
 790
 791                 /* smb_proff is the offset from the start of the SMB header to the
 792                         parameter bytes, however the first 4 bytes of outbuf are
 793                         the Netbios over TCP header. Thus use smb_base() to subtract
 794                         them from the calculation */
 795
 796                 SSVAL(req->outbuf,smb_proff,
 797                       ((smb_buf(req->outbuf)+alignment_offset)
 798                        - smb_base(req->outbuf)));
 799
 800                 if(params_sent_thistime == 0)
 801                         SSVAL(req->outbuf,smb_prdisp,0);
 802                 else
 803                         /* Absolute displacement of param bytes sent in this packet */
 804                         SSVAL(req->outbuf,smb_prdisp,pp - params);
 805
 806                 SSVAL(req->outbuf,smb_drcnt, data_sent_thistime);
 807                 if(data_sent_thistime == 0) {
 808                         SSVAL(req->outbuf,smb_droff,0);
 809                         SSVAL(req->outbuf,smb_drdisp, 0);
 810                 } else {
 811                         /* The offset of the data bytes is the offset of the
 812                                 parameter bytes plus the number of parameters being sent this time */
 813                         SSVAL(req->outbuf, smb_droff,
 814                               ((smb_buf(req->outbuf)+alignment_offset)
 815                                - smb_base(req->outbuf))
 816                               + params_sent_thistime + data_alignment_offset);
 817                         SSVAL(req->outbuf,smb_drdisp, pd - pdata);
 818                 }
 819
 820                 /* Initialize the padding for alignment */
 821
 822                 if (alignment_offset != 0) {
 823                         memset(smb_buf(req->outbuf), 0, alignment_offset);
 824                 }
 825
 826                 /* Copy the param bytes into the packet */
 827
 828                 if(params_sent_thistime) {
 829                         memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
 830                                params_sent_thistime);
 831                 }
 832
 833                 /* Copy in the data bytes */
 834                 if(data_sent_thistime) {
 835                         if (data_alignment_offset != 0) {
 836                                 memset((smb_buf(req->outbuf)+alignment_offset+
 837                                         params_sent_thistime), 0,
 838                                        data_alignment_offset);
 839                         }
 840                         memcpy(smb_buf(req->outbuf)+alignment_offset
 841                                +params_sent_thistime+data_alignment_offset,
 842                                pd,data_sent_thistime);
 843                 }
 844
 845                 DEBUG(9,("t2_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
 846                         params_sent_thistime, data_sent_thistime, useable_space));
 847                 DEBUG(9,("t2_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
 848                         params_to_send, data_to_send, paramsize, datasize));
 849
 850                 if (overflow) {
 851                         error_packet_set((char *)req->outbuf,
 852                                          ERRDOS,ERRbufferoverflow,
 853                                          STATUS_BUFFER_OVERFLOW,
 854                                          __LINE__,__FILE__);
 855                 }
 856
 857                 /* Send the packet */
 858                 show_msg((char *)req->outbuf);
 859                 if (!srv_send_smb(smbd_server_fd(),
 860                                 (char *)req->outbuf,
 861                                 IS_CONN_ENCRYPTED(conn)))
 862                         exit_server_cleanly("send_trans2_replies: srv_send_smb failed.");
 863
 864                 TALLOC_FREE(req->outbuf);
 865
 866                 pp += params_sent_thistime;
 867                 pd += data_sent_thistime;
 868
 869                 params_to_send -= params_sent_thistime;
 870                 data_to_send -= data_sent_thistime;
 871
 872                 /* Sanity check */
 873                 if(params_to_send < 0 || data_to_send < 0) {
 874                         DEBUG(0,("send_trans2_replies failed sanity check pts = %d, dts = %d\n!!!",
 875                                 params_to_send, data_to_send));
 876                         return;
 877                 }
 878         }
 879
 880         return;
 881 }
 882
 883 /****************************************************************************
 884  Reply to a TRANSACT2_OPEN.
 885 ****************************************************************************/
 886
 887 static void call_trans2open(connection_struct *conn,
 888                             struct smb_request *req,
 889                             char **pparams, int total_params,
 890                             char **ppdata, int total_data,
 891                             unsigned int max_data_bytes)
 892 {
 893         char *params = *pparams;
 894         char *pdata = *ppdata;
 895         int deny_mode;
 896         int32 open_attr;
 897         bool oplock_request;
 898 #if 0
 899         bool return_additional_info;
 900         int16 open_sattr;
 901         time_t open_time;
 902 #endif
 903         int open_ofun;
 904         uint32 open_size;
 905         char *pname;
 906         char *fname = NULL;
 907         SMB_OFF_T size=0;
 908         int fattr=0,mtime=0;
 909         SMB_INO_T inode = 0;
 910         SMB_STRUCT_STAT sbuf;
 911         int smb_action = 0;
 912         files_struct *fsp;
 913         struct ea_list *ea_list = NULL;
 914         uint16 flags = 0;
 915         NTSTATUS status;
 916         uint32 access_mask;
 917         uint32 share_mode;
 918         uint32 create_disposition;
 919         uint32 create_options = 0;
 920         TALLOC_CTX *ctx = talloc_tos();
 921
 922         /*
 923          * Ensure we have enough parameters to perform the operation.
 924          */
 925
 926         if (total_params < 29) {
 927                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 928                 return;
 929         }
 930
 931         flags = SVAL(params, 0);
 932         deny_mode = SVAL(params, 2);
 933         open_attr = SVAL(params,6);
 934         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 935         if (oplock_request) {
 936                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
 937         }
 938
 939 #if 0
 940         return_additional_info = BITSETW(params,0);
 941         open_sattr = SVAL(params, 4);
 942         open_time = make_unix_date3(params+8);
 943 #endif
 944         open_ofun = SVAL(params,12);
 945         open_size = IVAL(params,14);
 946         pname = &params[28];
 947
 948         if (IS_IPC(conn)) {
 949                 reply_doserror(req, ERRSRV, ERRaccess);
 950                 return;
 951         }
 952
 953         srvstr_get_path(ctx, params, req->flags2, &fname, pname,
 954                         total_params - 28, STR_TERMINATE,
 955                         &status);
 956         if (!NT_STATUS_IS_OK(status)) {
 957                 reply_nterror(req, status);
 958                 return;
 959         }
 960
 961         DEBUG(3,("call_trans2open %s deny_mode=0x%x attr=%d ofun=0x%x size=%d\n",
 962                 fname, (unsigned int)deny_mode, (unsigned int)open_attr,
 963                 (unsigned int)open_ofun, open_size));
 964
 965         if (open_ofun == 0) {
 966                 reply_nterror(req, NT_STATUS_OBJECT_NAME_COLLISION);
 967                 return;
 968         }
 969
 970         if (!map_open_params_to_ntcreate(fname, deny_mode, open_ofun,
 971                                 &access_mask,
 972                                 &share_mode,
 973                                 &create_disposition,
 974                                 &create_options)) {
 975                 reply_doserror(req, ERRDOS, ERRbadaccess);
 976                 return;
 977         }
 978
 979         /* Any data in this call is an EA list. */
 980         if (total_data && (total_data != 4) && !lp_ea_support(SNUM(conn))) {
 981                 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
 982                 return;
 983         }
 984
 985         if (total_data != 4) {
 986                 if (total_data < 10) {
 987                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 988                         return;
 989                 }
 990
 991                 if (IVAL(pdata,0) > total_data) {
 992                         DEBUG(10,("call_trans2open: bad total data size (%u) > %u\n",
 993                                 IVAL(pdata,0), (unsigned int)total_data));
 994                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 995                         return;
 996                 }
 997
 998                 ea_list = read_ea_list(talloc_tos(), pdata + 4,
 999                                        total_data - 4);
1000                 if (!ea_list) {
1001                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1002                         return;
1003                 }
1004         } else if (IVAL(pdata,0) != 4) {
1005                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1006                 return;
1007         }
1008
1009         status = create_file(conn,                      /* conn */
1010                              req,                       /* req */
1011                              0,                         /* root_dir_fid */
1012                              fname,                     /* fname */
1013                              access_mask,               /* access_mask */
1014                              share_mode,                /* share_access */
1015                              create_disposition,        /* create_disposition*/
1016                              create_options,            /* create_options */
1017                              open_attr,                 /* file_attributes */
1018                              oplock_request,            /* oplock_request */
1019                              open_size,                 /* allocation_size */
1020                              NULL,                      /* sd */
1021                              ea_list,                   /* ea_list */
1022                              &fsp,                      /* result */
1023                              &smb_action,               /* pinfo */
1024                              &sbuf);                    /* psbuf */
1025
1026         if (!NT_STATUS_IS_OK(status)) {
1027                 if (open_was_deferred(req->mid)) {
1028                         /* We have re-scheduled this call. */
1029                         return;
1030                 }
1031                 reply_openerror(req, status);
1032                 return;
1033         }
1034
1035         size = get_file_size(sbuf);
1036         fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
1037         mtime = sbuf.st_mtime;
1038         inode = sbuf.st_ino;
1039         if (fattr & aDIR) {
1040                 close_file(req, fsp, ERROR_CLOSE);
1041                 reply_doserror(req, ERRDOS,ERRnoaccess);
1042                 return;
1043         }
1044
1045         /* Realloc the size of parameters and data we will return */
1046         *pparams = (char *)SMB_REALLOC(*pparams, 30);
1047         if(*pparams == NULL ) {
1048                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1049                 return;
1050         }
1051         params = *pparams;
1052
1053         SSVAL(params,0,fsp->fnum);
1054         SSVAL(params,2,fattr);
1055         srv_put_dos_date2(params,4, mtime);
1056         SIVAL(params,8, (uint32)size);
1057         SSVAL(params,12,deny_mode);
1058         SSVAL(params,14,0); /* open_type - file or directory. */
1059         SSVAL(params,16,0); /* open_state - only valid for IPC device. */
1060
1061         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1062                 smb_action |= EXTENDED_OPLOCK_GRANTED;
1063         }
1064
1065         SSVAL(params,18,smb_action);
1066
1067         /*
1068          * WARNING - this may need to be changed if SMB_INO_T <> 4 bytes.
1069          */
1070         SIVAL(params,20,inode);
1071         SSVAL(params,24,0); /* Padding. */
1072         if (flags & 8) {
1073                 uint32 ea_size = estimate_ea_size(conn, fsp, fsp->fsp_name);
1074                 SIVAL(params, 26, ea_size);
1075         } else {
1076                 SIVAL(params, 26, 0);
1077         }
1078
1079         /* Send the required number of replies */
1080         send_trans2_replies(conn, req, params, 30, *ppdata, 0, max_data_bytes);
1081 }
1082
1083 /*********************************************************
1084  Routine to check if a given string matches exactly.
1085  as a special case a mask of "." does NOT match. That
1086  is required for correct wildcard semantics
1087  Case can be significant or not.
1088 **********************************************************/
1089
1090 static bool exact_match(connection_struct *conn,
1091                 const char *str,
1092                 const char *mask)
1093 {
1094         if (mask[0] == '.' && mask[1] == 0)
1095                 return False;
1096         if (conn->case_sensitive)
1097                 return strcmp(str,mask)==0;
1098         if (StrCaseCmp(str,mask) != 0) {
1099                 return False;
1100         }
1101         if (dptr_has_wild(conn->dirptr)) {
1102                 return False;
1103         }
1104         return True;
1105 }
1106
1107 /****************************************************************************
1108  Return the filetype for UNIX extensions.
1109 ****************************************************************************/
1110
1111 static uint32 unix_filetype(mode_t mode)
1112 {
1113         if(S_ISREG(mode))
1114                 return UNIX_TYPE_FILE;
1115         else if(S_ISDIR(mode))
1116                 return UNIX_TYPE_DIR;
1117 #ifdef S_ISLNK
1118         else if(S_ISLNK(mode))
1119                 return UNIX_TYPE_SYMLINK;
1120 #endif
1121 #ifdef S_ISCHR
1122         else if(S_ISCHR(mode))
1123                 return UNIX_TYPE_CHARDEV;
1124 #endif
1125 #ifdef S_ISBLK
1126         else if(S_ISBLK(mode))
1127                 return UNIX_TYPE_BLKDEV;
1128 #endif
1129 #ifdef S_ISFIFO
1130         else if(S_ISFIFO(mode))
1131                 return UNIX_TYPE_FIFO;
1132 #endif
1133 #ifdef S_ISSOCK
1134         else if(S_ISSOCK(mode))
1135                 return UNIX_TYPE_SOCKET;
1136 #endif
1137
1138         DEBUG(0,("unix_filetype: unknown filetype %u", (unsigned)mode));
1139         return UNIX_TYPE_UNKNOWN;
1140 }
1141
1142 /****************************************************************************
1143  Map wire perms onto standard UNIX permissions. Obey share restrictions.
1144 ****************************************************************************/
1145
1146 enum perm_type { PERM_NEW_FILE, PERM_NEW_DIR, PERM_EXISTING_FILE, PERM_EXISTING_DIR};
1147
1148 static NTSTATUS unix_perms_from_wire( connection_struct *conn,
1149                                 SMB_STRUCT_STAT *psbuf,
1150                                 uint32 perms,
1151                                 enum perm_type ptype,
1152                                 mode_t *ret_perms)
1153 {
1154         mode_t ret = 0;
1155
1156         if (perms == SMB_MODE_NO_CHANGE) {
1157                 if (!VALID_STAT(*psbuf)) {
1158                         return NT_STATUS_INVALID_PARAMETER;
1159                 } else {
1160                         *ret_perms = psbuf->st_mode;
1161                         return NT_STATUS_OK;
1162                 }
1163         }
1164
1165         ret |= ((perms & UNIX_X_OTH ) ? S_IXOTH : 0);
1166         ret |= ((perms & UNIX_W_OTH ) ? S_IWOTH : 0);
1167         ret |= ((perms & UNIX_R_OTH ) ? S_IROTH : 0);
1168         ret |= ((perms & UNIX_X_GRP ) ? S_IXGRP : 0);
1169         ret |= ((perms & UNIX_W_GRP ) ? S_IWGRP : 0);
1170         ret |= ((perms & UNIX_R_GRP ) ? S_IRGRP : 0);
1171         ret |= ((perms & UNIX_X_USR ) ? S_IXUSR : 0);
1172         ret |= ((perms & UNIX_W_USR ) ? S_IWUSR : 0);
1173         ret |= ((perms & UNIX_R_USR ) ? S_IRUSR : 0);
1174 #ifdef S_ISVTX
1175         ret |= ((perms & UNIX_STICKY ) ? S_ISVTX : 0);
1176 #endif
1177 #ifdef S_ISGID
1178         ret |= ((perms & UNIX_SET_GID ) ? S_ISGID : 0);
1179 #endif
1180 #ifdef S_ISUID
1181         ret |= ((perms & UNIX_SET_UID ) ? S_ISUID : 0);
1182 #endif
1183
1184         switch (ptype) {
1185         case PERM_NEW_FILE:
1186                 /* Apply mode mask */
1187                 ret &= lp_create_mask(SNUM(conn));
1188                 /* Add in force bits */
1189                 ret |= lp_force_create_mode(SNUM(conn));
1190                 break;
1191         case PERM_NEW_DIR:
1192                 ret &= lp_dir_mask(SNUM(conn));
1193                 /* Add in force bits */
1194                 ret |= lp_force_dir_mode(SNUM(conn));
1195                 break;
1196         case PERM_EXISTING_FILE:
1197                 /* Apply mode mask */
1198                 ret &= lp_security_mask(SNUM(conn));
1199                 /* Add in force bits */
1200                 ret |= lp_force_security_mode(SNUM(conn));
1201                 break;
1202         case PERM_EXISTING_DIR:
1203                 /* Apply mode mask */
1204                 ret &= lp_dir_security_mask(SNUM(conn));
1205                 /* Add in force bits */
1206                 ret |= lp_force_dir_security_mode(SNUM(conn));
1207                 break;
1208         }
1209
1210         *ret_perms = ret;
1211         return NT_STATUS_OK;
1212 }
1213
1214 /****************************************************************************
1215  Needed to show the msdfs symlinks as directories. Modifies psbuf
1216  to be a directory if it's a msdfs link.
1217 ****************************************************************************/
1218
1219 static bool check_msdfs_link(connection_struct *conn,
1220                                 const char *pathname,
1221                                 SMB_STRUCT_STAT *psbuf)
1222 {
1223         int saved_errno = errno;
1224         if(lp_host_msdfs() &&
1225                 lp_msdfs_root(SNUM(conn)) &&
1226                 is_msdfs_link(conn, pathname, psbuf)) {
1227
1228                 DEBUG(5,("check_msdfs_link: Masquerading msdfs link %s "
1229                         "as a directory\n",
1230                         pathname));
1231                 psbuf->st_mode = (psbuf->st_mode & 0xFFF) | S_IFDIR;
1232                 errno = saved_errno;
1233                 return true;
1234         }
1235         errno = saved_errno;
1236         return false;
1237 }
1238
1239
1240 /****************************************************************************
1241  Get a level dependent lanman2 dir entry.
1242 ****************************************************************************/
1243
1244 static bool get_lanman2_dir_entry(TALLOC_CTX *ctx,
1245                                 connection_struct *conn,
1246                                 uint16 flags2,
1247                                 const char *path_mask,
1248                                 uint32 dirtype,
1249                                 int info_level,
1250                                 int requires_resume_key,
1251                                 bool dont_descend,
1252                                 bool ask_sharemode,
1253                                 char **ppdata,
1254                                 char *base_data,
1255                                 char *end_data,
1256                                 int space_remaining,
1257                                 bool *out_of_space,
1258                                 bool *got_exact_match,
1259                                 int *last_entry_off,
1260                                 struct ea_list *name_list)
1261 {
1262         const char *dname;
1263         bool found = False;
1264         SMB_STRUCT_STAT sbuf;
1265         const char *mask = NULL;
1266         char *pathreal = NULL;
1267         const char *fname = NULL;
1268         char *p, *q, *pdata = *ppdata;
1269         uint32 reskey=0;
1270         long prev_dirpos=0;
1271         uint32 mode=0;
1272         SMB_OFF_T file_size = 0;
1273         uint64_t allocation_size = 0;
1274         uint32 len;
1275         struct timespec mdate_ts, adate_ts, create_date_ts;
1276         time_t mdate = (time_t)0, adate = (time_t)0, create_date = (time_t)0;
1277         char *nameptr;
1278         char *last_entry_ptr;
1279         bool was_8_3;
1280         uint32 nt_extmode; /* Used for NT connections instead of mode */
1281         bool needslash = ( conn->dirpath[strlen(conn->dirpath) -1] != '/');
1282         bool check_mangled_names = lp_manglednames(conn->params);
1283         char mangled_name[13]; /* mangled 8.3 name. */
1284
1285         *out_of_space = False;
1286         *got_exact_match = False;
1287
1288         ZERO_STRUCT(mdate_ts);
1289         ZERO_STRUCT(adate_ts);
1290         ZERO_STRUCT(create_date_ts);
1291
1292         if (!conn->dirptr) {
1293                 return(False);
1294         }
1295
1296         p = strrchr_m(path_mask,'/');
1297         if(p != NULL) {
1298                 if(p[1] == '\0') {
1299                         mask = talloc_strdup(ctx,"*.*");
1300                 } else {
1301                         mask = p+1;
1302                 }
1303         } else {
1304                 mask = path_mask;
1305         }
1306
1307         while (!found) {
1308                 bool got_match;
1309                 bool ms_dfs_link = False;
1310
1311                 /* Needed if we run out of space */
1312                 long curr_dirpos = prev_dirpos = dptr_TellDir(conn->dirptr);
1313                 dname = dptr_ReadDirName(ctx,conn->dirptr,&curr_dirpos,&sbuf);
1314
1315                 /*
1316                  * Due to bugs in NT client redirectors we are not using
1317                  * resume keys any more - set them to zero.
1318                  * Check out the related comments in findfirst/findnext.
1319                  * JRA.
1320                  */
1321
1322                 reskey = 0;
1323
1324                 DEBUG(8,("get_lanman2_dir_entry:readdir on dirptr 0x%lx now at offset %ld\n",
1325                         (long)conn->dirptr,curr_dirpos));
1326
1327                 if (!dname) {
1328                         return(False);
1329                 }
1330
1331                 /*
1332                  * fname may get mangled, dname is never mangled.
1333                  * Whenever we're accessing the filesystem we use
1334                  * pathreal which is composed from dname.
1335                  */
1336
1337                 pathreal = NULL;
1338                 fname = dname;
1339
1340                 /* Mangle fname if it's an illegal name. */
1341                 if (mangle_must_mangle(dname,conn->params)) {
1342                         if (!name_to_8_3(dname,mangled_name,True,conn->params)) {
1343                                 continue; /* Error - couldn't mangle. */
1344                         }
1345                         fname = mangled_name;
1346                 }
1347
1348                 if(!(got_match = *got_exact_match = exact_match(conn, fname, mask))) {
1349                         got_match = mask_match(fname, mask, conn->case_sensitive);
1350                 }
1351
1352                 if(!got_match && check_mangled_names &&
1353                    !mangle_is_8_3(fname, False, conn->params)) {
1354                         /*
1355                          * It turns out that NT matches wildcards against
1356                          * both long *and* short names. This may explain some
1357                          * of the wildcard wierdness from old DOS clients
1358                          * that some people have been seeing.... JRA.
1359                          */
1360                         /* Force the mangling into 8.3. */
1361                         if (!name_to_8_3( fname, mangled_name, False, conn->params)) {
1362                                 continue; /* Error - couldn't mangle. */
1363                         }
1364
1365                         if(!(got_match = *got_exact_match = exact_match(conn, mangled_name, mask))) {
1366                                 got_match = mask_match(mangled_name, mask, conn->case_sensitive);
1367                         }
1368                 }
1369
1370                 if (got_match) {
1371                         bool isdots = (ISDOT(dname) || ISDOTDOT(dname));
1372
1373                         if (dont_descend && !isdots) {
1374                                 continue;
1375                         }
1376
1377                         if (needslash) {
1378                                 pathreal = NULL;
1379                                 pathreal = talloc_asprintf(ctx,
1380                                         "%s/%s",
1381                                         conn->dirpath,
1382                                         dname);
1383                         } else {
1384                                 pathreal = talloc_asprintf(ctx,
1385                                         "%s%s",
1386                                         conn->dirpath,
1387                                         dname);
1388                         }
1389
1390                         if (!pathreal) {
1391                                 return False;
1392                         }
1393
1394                         if (INFO_LEVEL_IS_UNIX(info_level)) {
1395                                 if (SMB_VFS_LSTAT(conn,pathreal,&sbuf) != 0) {
1396                                         DEBUG(5,("get_lanman2_dir_entry:Couldn't lstat [%s] (%s)\n",
1397                                                 pathreal,strerror(errno)));
1398                                         TALLOC_FREE(pathreal);
1399                                         continue;
1400                                 }
1401                         } else if (!VALID_STAT(sbuf) && SMB_VFS_STAT(conn,pathreal,&sbuf) != 0) {
1402                                 /* Needed to show the msdfs symlinks as
1403                                  * directories */
1404
1405                                 ms_dfs_link = check_msdfs_link(conn, pathreal, &sbuf);
1406                                 if (!ms_dfs_link) {
1407                                         DEBUG(5,("get_lanman2_dir_entry:Couldn't stat [%s] (%s)\n",
1408                                                 pathreal,strerror(errno)));
1409                                         TALLOC_FREE(pathreal);
1410                                         continue;
1411                                 }
1412                         }
1413
1414                         if (ms_dfs_link) {
1415                                 mode = dos_mode_msdfs(conn,pathreal,&sbuf);
1416                         } else {
1417                                 mode = dos_mode(conn,pathreal,&sbuf);
1418                         }
1419
1420                         if (!dir_check_ftype(conn,mode,dirtype)) {
1421                                 DEBUG(5,("get_lanman2_dir_entry: [%s] attribs didn't match %x\n",fname,dirtype));
1422                                 TALLOC_FREE(pathreal);
1423                                 continue;
1424                         }
1425
1426                         if (!(mode & aDIR)) {
1427                                 file_size = get_file_size(sbuf);
1428                         }
1429                         allocation_size = get_allocation_size(conn,NULL,&sbuf);
1430
1431                         mdate_ts = get_mtimespec(&sbuf);
1432                         adate_ts = get_atimespec(&sbuf);
1433                         create_date_ts = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1434
1435                         if (ask_sharemode) {
1436                                 struct timespec write_time_ts;
1437                                 struct file_id fileid;
1438
1439                                 fileid = vfs_file_id_from_sbuf(conn, &sbuf);
1440                                 get_file_infos(fileid, NULL, &write_time_ts);
1441                                 if (!null_timespec(write_time_ts)) {
1442                                         mdate_ts = write_time_ts;
1443                                 }
1444                         }
1445
1446                         if (lp_dos_filetime_resolution(SNUM(conn))) {
1447                                 dos_filetime_timespec(&create_date_ts);
1448                                 dos_filetime_timespec(&mdate_ts);
1449                                 dos_filetime_timespec(&adate_ts);
1450                         }
1451
1452                         create_date = convert_timespec_to_time_t(create_date_ts);
1453                         mdate = convert_timespec_to_time_t(mdate_ts);
1454                         adate = convert_timespec_to_time_t(adate_ts);
1455
1456                         DEBUG(5,("get_lanman2_dir_entry: found %s fname=%s\n",pathreal,fname));
1457
1458                         found = True;
1459
1460                         dptr_DirCacheAdd(conn->dirptr, dname, curr_dirpos);
1461                 }
1462         }
1463
1464         p = pdata;
1465         last_entry_ptr = p;
1466
1467         nt_extmode = mode ? mode : FILE_ATTRIBUTE_NORMAL;
1468
1469         switch (info_level) {
1470                 case SMB_FIND_INFO_STANDARD:
1471                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_INFO_STANDARD\n"));
1472                         if(requires_resume_key) {
1473                                 SIVAL(p,0,reskey);
1474                                 p += 4;
1475                         }
1476                         srv_put_dos_date2(p,0,create_date);
1477                         srv_put_dos_date2(p,4,adate);
1478                         srv_put_dos_date2(p,8,mdate);
1479                         SIVAL(p,12,(uint32)file_size);
1480                         SIVAL(p,16,(uint32)allocation_size);
1481                         SSVAL(p,20,mode);
1482                         p += 23;
1483                         nameptr = p;
1484                         if (flags2 & FLAGS2_UNICODE_STRINGS) {
1485                                 p += ucs2_align(base_data, p, 0);
1486                         }
1487                         len = srvstr_push(base_data, flags2, p,
1488                                           fname, PTR_DIFF(end_data, p),
1489                                           STR_TERMINATE);
1490                         if (flags2 & FLAGS2_UNICODE_STRINGS) {
1491                                 if (len > 2) {
1492                                         SCVAL(nameptr, -1, len - 2);
1493                                 } else {
1494                                         SCVAL(nameptr, -1, 0);
1495                                 }
1496                         } else {
1497                                 if (len > 1) {
1498                                         SCVAL(nameptr, -1, len - 1);
1499                                 } else {
1500                                         SCVAL(nameptr, -1, 0);
1501                                 }
1502                         }
1503                         p += len;
1504                         break;
1505
1506                 case SMB_FIND_EA_SIZE:
1507                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_EA_SIZE\n"));
1508                         if(requires_resume_key) {
1509                                 SIVAL(p,0,reskey);
1510                                 p += 4;
1511                         }
1512                         srv_put_dos_date2(p,0,create_date);
1513                         srv_put_dos_date2(p,4,adate);
1514                         srv_put_dos_date2(p,8,mdate);
1515                         SIVAL(p,12,(uint32)file_size);
1516                         SIVAL(p,16,(uint32)allocation_size);
1517                         SSVAL(p,20,mode);
1518                         {
1519                                 unsigned int ea_size = estimate_ea_size(conn, NULL, pathreal);
1520                                 SIVAL(p,22,ea_size); /* Extended attributes */
1521                         }
1522                         p += 27;
1523                         nameptr = p - 1;
1524                         len = srvstr_push(base_data, flags2,
1525                                           p, fname, PTR_DIFF(end_data, p),
1526                                           STR_TERMINATE | STR_NOALIGN);
1527                         if (flags2 & FLAGS2_UNICODE_STRINGS) {
1528                                 if (len > 2) {
1529                                         len -= 2;
1530                                 } else {
1531                                         len = 0;
1532                                 }
1533                         } else {
1534                                 if (len > 1) {
1535                                         len -= 1;
1536                                 } else {
1537                                         len = 0;
1538                                 }
1539                         }
1540                         SCVAL(nameptr,0,len);
1541                         p += len;
1542                         SCVAL(p,0,0); p += 1; /* Extra zero byte ? - why.. */
1543                         break;
1544
1545                 case SMB_FIND_EA_LIST:
1546                 {
1547                         struct ea_list *file_list = NULL;
1548                         size_t ea_len = 0;
1549
1550                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_EA_LIST\n"));
1551                         if (!name_list) {
1552                                 return False;
1553                         }
1554                         if(requires_resume_key) {
1555                                 SIVAL(p,0,reskey);
1556                                 p += 4;
1557                         }
1558                         srv_put_dos_date2(p,0,create_date);
1559                         srv_put_dos_date2(p,4,adate);
1560                         srv_put_dos_date2(p,8,mdate);
1561                         SIVAL(p,12,(uint32)file_size);
1562                         SIVAL(p,16,(uint32)allocation_size);
1563                         SSVAL(p,20,mode);
1564                         p += 22; /* p now points to the EA area. */
1565
1566                         file_list = get_ea_list_from_file(ctx, conn, NULL, pathreal, &ea_len);
1567                         name_list = ea_list_union(name_list, file_list, &ea_len);
1568
1569                         /* We need to determine if this entry will fit in the space available. */
1570                         /* Max string size is 255 bytes. */
1571                         if (PTR_DIFF(p + 255 + ea_len,pdata) > space_remaining) {
1572                                 /* Move the dirptr back to prev_dirpos */
1573                                 dptr_SeekDir(conn->dirptr, prev_dirpos);
1574                                 *out_of_space = True;
1575                                 DEBUG(9,("get_lanman2_dir_entry: out of space\n"));
1576                                 return False; /* Not finished - just out of space */
1577                         }
1578
1579                         /* Push the ea_data followed by the name. */
1580                         p += fill_ea_buffer(ctx, p, space_remaining, conn, name_list);
1581                         nameptr = p;
1582                         len = srvstr_push(base_data, flags2,
1583                                           p + 1, fname, PTR_DIFF(end_data, p+1),
1584                                           STR_TERMINATE | STR_NOALIGN);
1585                         if (flags2 & FLAGS2_UNICODE_STRINGS) {
1586                                 if (len > 2) {
1587                                         len -= 2;
1588                                 } else {
1589                                         len = 0;
1590                                 }
1591                         } else {
1592                                 if (len > 1) {
1593                                         len -= 1;
1594                                 } else {
1595                                         len = 0;
1596                                 }
1597                         }
1598                         SCVAL(nameptr,0,len);
1599                         p += len + 1;
1600                         SCVAL(p,0,0); p += 1; /* Extra zero byte ? - why.. */
1601                         break;
1602                 }
1603
1604                 case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
1605                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_BOTH_DIRECTORY_INFO\n"));
1606                         was_8_3 = mangle_is_8_3(fname, True, conn->params);
1607                         p += 4;
1608                         SIVAL(p,0,reskey); p += 4;
1609                         put_long_date_timespec(p,create_date_ts); p += 8;
1610                         put_long_date_timespec(p,adate_ts); p += 8;
1611                         put_long_date_timespec(p,mdate_ts); p += 8;
1612                         put_long_date_timespec(p,mdate_ts); p += 8;
1613                         SOFF_T(p,0,file_size); p += 8;
1614                         SOFF_T(p,0,allocation_size); p += 8;
1615                         SIVAL(p,0,nt_extmode); p += 4;
1616                         q = p; p += 4; /* q is placeholder for name length. */
1617                         {
1618                                 unsigned int ea_size = estimate_ea_size(conn, NULL, pathreal);
1619                                 SIVAL(p,0,ea_size); /* Extended attributes */
1620                                 p += 4;
1621                         }
1622                         /* Clear the short name buffer. This is
1623                          * IMPORTANT as not doing so will trigger
1624                          * a Win2k client bug. JRA.
1625                          */
1626                         if (!was_8_3 && check_mangled_names) {
1627                                 if (!name_to_8_3(fname,mangled_name,True,
1628                                                    conn->params)) {
1629                                         /* Error - mangle failed ! */
1630                                         memset(mangled_name,'\0',12);
1631                                 }
1632                                 mangled_name[12] = 0;
1633                                 len = srvstr_push(base_data, flags2,
1634                                                   p+2, mangled_name, 24,
1635                                                   STR_UPPER|STR_UNICODE);
1636                                 if (len < 24) {
1637                                         memset(p + 2 + len,'\0',24 - len);
1638                                 }
1639                                 SSVAL(p, 0, len);
1640                         } else {
1641                                 memset(p,'\0',26);
1642                         }
1643                         p += 2 + 24;
1644                         len = srvstr_push(base_data, flags2, p,
1645                                           fname, PTR_DIFF(end_data, p),
1646                                           STR_TERMINATE_ASCII);
1647                         SIVAL(q,0,len);
1648                         p += len;
1649                         SIVAL(p,0,0); /* Ensure any padding is null. */
1650                         len = PTR_DIFF(p, pdata);
1651                         len = (len + 3) & ~3;
1652                         SIVAL(pdata,0,len);
1653                         p = pdata + len;
1654                         break;
1655
1656                 case SMB_FIND_FILE_DIRECTORY_INFO:
1657                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_DIRECTORY_INFO\n"));
1658                         p += 4;
1659                         SIVAL(p,0,reskey); p += 4;
1660                         put_long_date_timespec(p,create_date_ts); p += 8;
1661                         put_long_date_timespec(p,adate_ts); p += 8;
1662                         put_long_date_timespec(p,mdate_ts); p += 8;
1663                         put_long_date_timespec(p,mdate_ts); p += 8;
1664                         SOFF_T(p,0,file_size); p += 8;
1665                         SOFF_T(p,0,allocation_size); p += 8;
1666                         SIVAL(p,0,nt_extmode); p += 4;
1667                         len = srvstr_push(base_data, flags2,
1668                                           p + 4, fname, PTR_DIFF(end_data, p+4),
1669                                           STR_TERMINATE_ASCII);
1670                         SIVAL(p,0,len);
1671                         p += 4 + len;
1672                         SIVAL(p,0,0); /* Ensure any padding is null. */
1673                         len = PTR_DIFF(p, pdata);
1674                         len = (len + 3) & ~3;
1675                         SIVAL(pdata,0,len);
1676                         p = pdata + len;
1677                         break;
1678
1679                 case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
1680                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_FULL_DIRECTORY_INFO\n"));
1681                         p += 4;
1682                         SIVAL(p,0,reskey); p += 4;
1683                         put_long_date_timespec(p,create_date_ts); p += 8;
1684                         put_long_date_timespec(p,adate_ts); p += 8;
1685                         put_long_date_timespec(p,mdate_ts); p += 8;
1686                         put_long_date_timespec(p,mdate_ts); p += 8;
1687                         SOFF_T(p,0,file_size); p += 8;
1688                         SOFF_T(p,0,allocation_size); p += 8;
1689                         SIVAL(p,0,nt_extmode); p += 4;
1690                         q = p; p += 4; /* q is placeholder for name length. */
1691                         {
1692                                 unsigned int ea_size = estimate_ea_size(conn, NULL, pathreal);
1693                                 SIVAL(p,0,ea_size); /* Extended attributes */
1694                                 p +=4;
1695                         }
1696                         len = srvstr_push(base_data, flags2, p,
1697                                           fname, PTR_DIFF(end_data, p),
1698                                           STR_TERMINATE_ASCII);
1699                         SIVAL(q, 0, len);
1700                         p += len;
1701
1702                         SIVAL(p,0,0); /* Ensure any padding is null. */
1703                         len = PTR_DIFF(p, pdata);
1704                         len = (len + 3) & ~3;
1705                         SIVAL(pdata,0,len);
1706                         p = pdata + len;
1707                         break;
1708
1709                 case SMB_FIND_FILE_NAMES_INFO:
1710                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_NAMES_INFO\n"));
1711                         p += 4;
1712                         SIVAL(p,0,reskey); p += 4;
1713                         p += 4;
1714                         /* this must *not* be null terminated or w2k gets in a loop trying to set an
1715                            acl on a dir (tridge) */
1716                         len = srvstr_push(base_data, flags2, p,
1717                                           fname, PTR_DIFF(end_data, p),
1718                                           STR_TERMINATE_ASCII);
1719                         SIVAL(p, -4, len);
1720                         p += len;
1721                         SIVAL(p,0,0); /* Ensure any padding is null. */
1722                         len = PTR_DIFF(p, pdata);
1723                         len = (len + 3) & ~3;
1724                         SIVAL(pdata,0,len);
1725                         p = pdata + len;
1726                         break;
1727
1728                 case SMB_FIND_ID_FULL_DIRECTORY_INFO:
1729                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_ID_FULL_DIRECTORY_INFO\n"));
1730                         p += 4;
1731                         SIVAL(p,0,reskey); p += 4;
1732                         put_long_date_timespec(p,create_date_ts); p += 8;
1733                         put_long_date_timespec(p,adate_ts); p += 8;
1734                         put_long_date_timespec(p,mdate_ts); p += 8;
1735                         put_long_date_timespec(p,mdate_ts); p += 8;
1736                         SOFF_T(p,0,file_size); p += 8;
1737                         SOFF_T(p,0,allocation_size); p += 8;
1738                         SIVAL(p,0,nt_extmode); p += 4;
1739                         q = p; p += 4; /* q is placeholder for name length. */
1740                         {
1741                                 unsigned int ea_size = estimate_ea_size(conn, NULL, pathreal);
1742                                 SIVAL(p,0,ea_size); /* Extended attributes */
1743                                 p +=4;
1744                         }
1745                         SIVAL(p,0,0); p += 4; /* Unknown - reserved ? */
1746                         SIVAL(p,0,sbuf.st_ino); p += 4; /* FileIndexLow */
1747                         SIVAL(p,0,sbuf.st_dev); p += 4; /* FileIndexHigh */
1748                         len = srvstr_push(base_data, flags2, p,
1749                                           fname, PTR_DIFF(end_data, p),
1750                                           STR_TERMINATE_ASCII);
1751                         SIVAL(q, 0, len);
1752                         p += len;
1753                         SIVAL(p,0,0); /* Ensure any padding is null. */
1754                         len = PTR_DIFF(p, pdata);
1755                         len = (len + 3) & ~3;
1756                         SIVAL(pdata,0,len);
1757                         p = pdata + len;
1758                         break;
1759
1760                 case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
1761                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_ID_BOTH_DIRECTORY_INFO\n"));
1762                         was_8_3 = mangle_is_8_3(fname, True, conn->params);
1763                         p += 4;
1764                         SIVAL(p,0,reskey); p += 4;
1765                         put_long_date_timespec(p,create_date_ts); p += 8;
1766                         put_long_date_timespec(p,adate_ts); p += 8;
1767                         put_long_date_timespec(p,mdate_ts); p += 8;
1768                         put_long_date_timespec(p,mdate_ts); p += 8;
1769                         SOFF_T(p,0,file_size); p += 8;
1770                         SOFF_T(p,0,allocation_size); p += 8;
1771                         SIVAL(p,0,nt_extmode); p += 4;
1772                         q = p; p += 4; /* q is placeholder for name length */
1773                         {
1774                                 unsigned int ea_size = estimate_ea_size(conn, NULL, pathreal);
1775                                 SIVAL(p,0,ea_size); /* Extended attributes */
1776                                 p +=4;
1777                         }
1778                         /* Clear the short name buffer. This is
1779                          * IMPORTANT as not doing so will trigger
1780                          * a Win2k client bug. JRA.
1781                          */
1782                         if (!was_8_3 && check_mangled_names) {
1783                                 if (!name_to_8_3(fname,mangled_name,True,
1784                                                 conn->params)) {
1785                                         /* Error - mangle failed ! */
1786                                         memset(mangled_name,'\0',12);
1787                                 }
1788                                 mangled_name[12] = 0;
1789                                 len = srvstr_push(base_data, flags2,
1790                                                   p+2, mangled_name, 24,
1791                                                   STR_UPPER|STR_UNICODE);
1792                                 SSVAL(p, 0, len);
1793                                 if (len < 24) {
1794                                         memset(p + 2 + len,'\0',24 - len);
1795                                 }
1796                                 SSVAL(p, 0, len);
1797                         } else {
1798                                 memset(p,'\0',26);
1799                         }
1800                         p += 26;
1801                         SSVAL(p,0,0); p += 2; /* Reserved ? */
1802                         SIVAL(p,0,sbuf.st_ino); p += 4; /* FileIndexLow */
1803                         SIVAL(p,0,sbuf.st_dev); p += 4; /* FileIndexHigh */
1804                         len = srvstr_push(base_data, flags2, p,
1805                                           fname, PTR_DIFF(end_data, p),
1806                                           STR_TERMINATE_ASCII);
1807                         SIVAL(q,0,len);
1808                         p += len;
1809                         SIVAL(p,0,0); /* Ensure any padding is null. */
1810                         len = PTR_DIFF(p, pdata);
1811                         len = (len + 3) & ~3;
1812                         SIVAL(pdata,0,len);
1813                         p = pdata + len;
1814                         break;
1815
1816                 /* CIFS UNIX Extension. */
1817
1818                 case SMB_FIND_FILE_UNIX:
1819                 case SMB_FIND_FILE_UNIX_INFO2:
1820                         p+= 4;
1821                         SIVAL(p,0,reskey); p+= 4;    /* Used for continuing search. */
1822
1823                         /* Begin of SMB_QUERY_FILE_UNIX_BASIC */
1824
1825                         if (info_level == SMB_FIND_FILE_UNIX) {
1826                                 DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_UNIX\n"));
1827                                 p = store_file_unix_basic(conn, p,
1828                                                         NULL, &sbuf);
1829                                 len = srvstr_push(base_data, flags2, p,
1830                                                   fname, PTR_DIFF(end_data, p),
1831                                                   STR_TERMINATE);
1832                         } else {
1833                                 DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_UNIX_INFO2\n"));
1834                                 p = store_file_unix_basic_info2(conn, p,
1835                                                         NULL, &sbuf);
1836                                 nameptr = p;
1837                                 p += 4;
1838                                 len = srvstr_push(base_data, flags2, p, fname,
1839                                                   PTR_DIFF(end_data, p), 0);
1840                                 SIVAL(nameptr, 0, len);
1841                         }
1842
1843                         p += len;
1844                         SIVAL(p,0,0); /* Ensure any padding is null. */
1845
1846                         len = PTR_DIFF(p, pdata);
1847                         len = (len + 3) & ~3;
1848                         SIVAL(pdata,0,len);     /* Offset from this structure to the beginning of the next one */
1849                         p = pdata + len;
1850                         /* End of SMB_QUERY_FILE_UNIX_BASIC */
1851
1852                         break;
1853
1854                 default:
1855                         return(False);
1856         }
1857
1858
1859         if (PTR_DIFF(p,pdata) > space_remaining) {
1860                 /* Move the dirptr back to prev_dirpos */
1861                 dptr_SeekDir(conn->dirptr, prev_dirpos);
1862                 *out_of_space = True;
1863                 DEBUG(9,("get_lanman2_dir_entry: out of space\n"));
1864                 return False; /* Not finished - just out of space */
1865         }
1866
1867         /* Setup the last entry pointer, as an offset from base_data */
1868         *last_entry_off = PTR_DIFF(last_entry_ptr,base_data);
1869         /* Advance the data pointer to the next slot */
1870         *ppdata = p;
1871
1872         return(found);
1873 }
1874
1875 /****************************************************************************
1876  Reply to a TRANS2_FINDFIRST.
1877 ****************************************************************************/
1878
1879 static void call_trans2findfirst(connection_struct *conn,
1880                                  struct smb_request *req,
1881                                  char **pparams, int total_params,
1882                                  char **ppdata, int total_data,
1883                                  unsigned int max_data_bytes)
1884 {
1885         /* We must be careful here that we don't return more than the
1886                 allowed number of data bytes. If this means returning fewer than
1887                 maxentries then so be it. We assume that the redirector has
1888                 enough room for the fixed number of parameter bytes it has
1889                 requested. */
1890         char *params = *pparams;
1891         char *pdata = *ppdata;
1892         char *data_end;
1893         uint32 dirtype;
1894         int maxentries;
1895         uint16 findfirst_flags;
1896         bool close_after_first;
1897         bool close_if_end;
1898         bool requires_resume_key;
1899         int info_level;
1900         char *directory = NULL;
1901         char *mask = NULL;
1902         char *p;
1903         int last_entry_off=0;
1904         int dptr_num = -1;
1905         int numentries = 0;
1906         int i;
1907         bool finished = False;
1908         bool dont_descend = False;
1909         bool out_of_space = False;
1910         int space_remaining;
1911         bool mask_contains_wcard = False;
1912         SMB_STRUCT_STAT sbuf;
1913         struct ea_list *ea_list = NULL;
1914         NTSTATUS ntstatus = NT_STATUS_OK;
1915         bool ask_sharemode = lp_parm_bool(SNUM(conn), "smbd", "search ask sharemode", true);
1916         TALLOC_CTX *ctx = talloc_tos();
1917
1918         if (total_params < 13) {
1919                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1920                 return;
1921         }
1922
1923         dirtype = SVAL(params,0);
1924         maxentries = SVAL(params,2);
1925         findfirst_flags = SVAL(params,4);
1926         close_after_first = (findfirst_flags & FLAG_TRANS2_FIND_CLOSE);
1927         close_if_end = (findfirst_flags & FLAG_TRANS2_FIND_CLOSE_IF_END);
1928         requires_resume_key = (findfirst_flags & FLAG_TRANS2_FIND_REQUIRE_RESUME);
1929         info_level = SVAL(params,6);
1930
1931         DEBUG(3,("call_trans2findfirst: dirtype = %x, maxentries = %d, close_after_first=%d, \
1932 close_if_end = %d requires_resume_key = %d level = 0x%x, max_data_bytes = %d\n",
1933                 (unsigned int)dirtype, maxentries, close_after_first, close_if_end, requires_resume_key,
1934                 info_level, max_data_bytes));
1935
1936         if (!maxentries) {
1937                 /* W2K3 seems to treat zero as 1. */
1938                 maxentries = 1;
1939         }
1940
1941         switch (info_level) {
1942                 case SMB_FIND_INFO_STANDARD:
1943                 case SMB_FIND_EA_SIZE:
1944                 case SMB_FIND_EA_LIST:
1945                 case SMB_FIND_FILE_DIRECTORY_INFO:
1946                 case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
1947                 case SMB_FIND_FILE_NAMES_INFO:
1948                 case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
1949                 case SMB_FIND_ID_FULL_DIRECTORY_INFO:
1950                 case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
1951                         break;
1952                 case SMB_FIND_FILE_UNIX:
1953                 case SMB_FIND_FILE_UNIX_INFO2:
1954                         /* Always use filesystem for UNIX mtime query. */
1955                         ask_sharemode = false;
1956                         if (!lp_unix_extensions()) {
1957                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
1958                                 return;
1959                         }
1960                         break;
1961                 default:
1962                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
1963                         return;
1964         }
1965
1966         srvstr_get_path_wcard(ctx, params, req->flags2, &directory,
1967                               params+12, total_params - 12,
1968                               STR_TERMINATE, &ntstatus, &mask_contains_wcard);
1969         if (!NT_STATUS_IS_OK(ntstatus)) {
1970                 reply_nterror(req, ntstatus);
1971                 return;
1972         }
1973
1974         ntstatus = resolve_dfspath_wcard(ctx, conn,
1975                         req->flags2 & FLAGS2_DFS_PATHNAMES,
1976                         directory,
1977                         &directory,
1978                         &mask_contains_wcard);
1979         if (!NT_STATUS_IS_OK(ntstatus)) {
1980                 if (NT_STATUS_EQUAL(ntstatus,NT_STATUS_PATH_NOT_COVERED)) {
1981                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1982                                         ERRSRV, ERRbadpath);
1983                         return;
1984                 }
1985                 reply_nterror(req, ntstatus);
1986                 return;
1987         }
1988
1989         ntstatus = unix_convert(ctx, conn, directory, True, &directory, &mask, &sbuf);
1990         if (!NT_STATUS_IS_OK(ntstatus)) {
1991                 reply_nterror(req, ntstatus);
1992                 return;
1993         }
1994
1995         ntstatus = check_name(conn, directory);
1996         if (!NT_STATUS_IS_OK(ntstatus)) {
1997                 reply_nterror(req, ntstatus);
1998                 return;
1999         }
2000
2001         p = strrchr_m(directory,'/');
2002         if(p == NULL) {
2003                 /* Windows and OS/2 systems treat search on the root '\' as if it were '\*' */
2004                 if((directory[0] == '.') && (directory[1] == '\0')) {
2005                         mask = talloc_strdup(ctx,"*");
2006                         if (!mask) {
2007                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2008                                 return;
2009                         }
2010                         mask_contains_wcard = True;
2011                 }
2012                 directory = talloc_strdup(talloc_tos(), "./");
2013                 if (!directory) {
2014                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2015                         return;
2016                 }
2017         } else {
2018                 *p = 0;
2019         }
2020
2021         DEBUG(5,("dir=%s, mask = %s\n",directory, mask));
2022
2023         if (info_level == SMB_FIND_EA_LIST) {
2024                 uint32 ea_size;
2025
2026                 if (total_data < 4) {
2027                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2028                         return;
2029                 }
2030
2031                 ea_size = IVAL(pdata,0);
2032                 if (ea_size != total_data) {
2033                         DEBUG(4,("call_trans2findfirst: Rejecting EA request with incorrect \
2034 total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
2035                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2036                         return;
2037                 }
2038
2039                 if (!lp_ea_support(SNUM(conn))) {
2040                         reply_doserror(req, ERRDOS, ERReasnotsupported);
2041                         return;
2042                 }
2043
2044                 /* Pull out the list of names. */
2045                 ea_list = read_ea_name_list(ctx, pdata + 4, ea_size - 4);
2046                 if (!ea_list) {
2047                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2048                         return;
2049                 }
2050         }
2051
2052         *ppdata = (char *)SMB_REALLOC(
2053                 *ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2054         if(*ppdata == NULL ) {
2055                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2056                 return;
2057         }
2058         pdata = *ppdata;
2059         data_end = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
2060
2061         /* Realloc the params space */
2062         *pparams = (char *)SMB_REALLOC(*pparams, 10);
2063         if (*pparams == NULL) {
2064                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2065                 return;
2066         }
2067         params = *pparams;
2068
2069         /* Save the wildcard match and attribs we are using on this directory -
2070                 needed as lanman2 assumes these are being saved between calls */
2071
2072         ntstatus = dptr_create(conn,
2073                                 directory,
2074                                 False,
2075                                 True,
2076                                 req->smbpid,
2077                                 mask,
2078                                 mask_contains_wcard,
2079                                 dirtype,
2080                                 &conn->dirptr);
2081
2082         if (!NT_STATUS_IS_OK(ntstatus)) {
2083                 reply_nterror(req, ntstatus);
2084                 return;
2085         }
2086
2087         dptr_num = dptr_dnum(conn->dirptr);
2088         DEBUG(4,("dptr_num is %d, wcard = %s, attr = %d\n", dptr_num, mask, dirtype));
2089
2090         /* We don't need to check for VOL here as this is returned by
2091                 a different TRANS2 call. */
2092
2093         DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n", conn->dirpath,lp_dontdescend(SNUM(conn))));
2094         if (in_list(conn->dirpath,lp_dontdescend(SNUM(conn)),conn->case_sensitive))
2095                 dont_descend = True;
2096
2097         p = pdata;
2098         space_remaining = max_data_bytes;
2099         out_of_space = False;
2100
2101         for (i=0;(i<maxentries) && !finished && !out_of_space;i++) {
2102                 bool got_exact_match = False;
2103
2104                 /* this is a heuristic to avoid seeking the dirptr except when
2105                         absolutely necessary. It allows for a filename of about 40 chars */
2106                 if (space_remaining < DIRLEN_GUESS && numentries > 0) {
2107                         out_of_space = True;
2108                         finished = False;
2109                 } else {
2110                         finished = !get_lanman2_dir_entry(ctx,
2111                                         conn,
2112                                         req->flags2,
2113                                         mask,dirtype,info_level,
2114                                         requires_resume_key,dont_descend,
2115                                         ask_sharemode,
2116                                         &p,pdata,data_end,
2117                                         space_remaining, &out_of_space,
2118                                         &got_exact_match,
2119                                         &last_entry_off, ea_list);
2120                 }
2121
2122                 if (finished && out_of_space)
2123                         finished = False;
2124
2125                 if (!finished && !out_of_space)
2126                         numentries++;
2127
2128                 /*
2129                  * As an optimisation if we know we aren't looking
2130                  * for a wildcard name (ie. the name matches the wildcard exactly)
2131                  * then we can finish on any (first) match.
2132                  * This speeds up large directory searches. JRA.
2133                  */
2134
2135                 if(got_exact_match)
2136                         finished = True;
2137
2138                 /* Ensure space_remaining never goes -ve. */
2139                 if (PTR_DIFF(p,pdata) > max_data_bytes) {
2140                         space_remaining = 0;
2141                         out_of_space = true;
2142                 } else {
2143                         space_remaining = max_data_bytes - PTR_DIFF(p,pdata);
2144                 }
2145         }
2146
2147         /* Check if we can close the dirptr */
2148         if(close_after_first || (finished && close_if_end)) {
2149                 DEBUG(5,("call_trans2findfirst - (2) closing dptr_num %d\n", dptr_num));
2150                 dptr_close(&dptr_num);
2151         }
2152
2153         /*
2154          * If there are no matching entries we must return ERRDOS/ERRbadfile -
2155          * from observation of NT. NB. This changes to ERRDOS,ERRnofiles if
2156          * the protocol level is less than NT1. Tested with smbclient. JRA.
2157          * This should fix the OS/2 client bug #2335.
2158          */
2159
2160         if(numentries == 0) {
2161                 dptr_close(&dptr_num);
2162                 if (Protocol < PROTOCOL_NT1) {
2163                         reply_doserror(req, ERRDOS, ERRnofiles);
2164                         return;
2165                 } else {
2166                         reply_botherror(req, NT_STATUS_NO_SUCH_FILE,
2167                                         ERRDOS, ERRbadfile);
2168                         return;
2169                 }
2170         }
2171
2172         /* At this point pdata points to numentries directory entries. */
2173
2174         /* Set up the return parameter block */
2175         SSVAL(params,0,dptr_num);
2176         SSVAL(params,2,numentries);
2177         SSVAL(params,4,finished);
2178         SSVAL(params,6,0); /* Never an EA error */
2179         SSVAL(params,8,last_entry_off);
2180
2181         send_trans2_replies(conn, req, params, 10, pdata, PTR_DIFF(p,pdata),
2182                             max_data_bytes);
2183
2184         if ((! *directory) && dptr_path(dptr_num)) {
2185                 directory = talloc_strdup(talloc_tos(),dptr_path(dptr_num));
2186                 if (!directory) {
2187                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2188                 }
2189         }
2190
2191         DEBUG( 4, ( "%s mask=%s directory=%s dirtype=%d numentries=%d\n",
2192                 smb_fn_name(req->cmd),
2193                 mask, directory, dirtype, numentries ) );
2194
2195         /*
2196          * Force a name mangle here to ensure that the
2197          * mask as an 8.3 name is top of the mangled cache.
2198          * The reasons for this are subtle. Don't remove
2199          * this code unless you know what you are doing
2200          * (see PR#13758). JRA.
2201          */
2202
2203         if(!mangle_is_8_3_wildcards( mask, False, conn->params)) {
2204                 char mangled_name[13];
2205                 name_to_8_3(mask, mangled_name, True, conn->params);
2206         }
2207
2208         return;
2209 }
2210
2211 /****************************************************************************
2212  Reply to a TRANS2_FINDNEXT.
2213 ****************************************************************************/
2214
2215 static void call_trans2findnext(connection_struct *conn,
2216                                 struct smb_request *req,
2217                                 char **pparams, int total_params,
2218                                 char **ppdata, int total_data,
2219                                 unsigned int max_data_bytes)
2220 {
2221         /* We must be careful here that we don't return more than the
2222                 allowed number of data bytes. If this means returning fewer than
2223                 maxentries then so be it. We assume that the redirector has
2224                 enough room for the fixed number of parameter bytes it has
2225                 requested. */
2226         char *params = *pparams;
2227         char *pdata = *ppdata;
2228         char *data_end;
2229         int dptr_num;
2230         int maxentries;
2231         uint16 info_level;
2232         uint32 resume_key;
2233         uint16 findnext_flags;
2234         bool close_after_request;
2235         bool close_if_end;
2236         bool requires_resume_key;
2237         bool continue_bit;
2238         bool mask_contains_wcard = False;
2239         char *resume_name = NULL;
2240         const char *mask = NULL;
2241         const char *directory = NULL;
2242         char *p = NULL;
2243         uint16 dirtype;
2244         int numentries = 0;
2245         int i, last_entry_off=0;
2246         bool finished = False;
2247         bool dont_descend = False;
2248         bool out_of_space = False;
2249         int space_remaining;
2250         struct ea_list *ea_list = NULL;
2251         NTSTATUS ntstatus = NT_STATUS_OK;
2252         bool ask_sharemode = lp_parm_bool(SNUM(conn), "smbd", "search ask sharemode", true);
2253         TALLOC_CTX *ctx = talloc_tos();
2254
2255         if (total_params < 13) {
2256                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2257                 return;
2258         }
2259
2260         dptr_num = SVAL(params,0);
2261         maxentries = SVAL(params,2);
2262         info_level = SVAL(params,4);
2263         resume_key = IVAL(params,6);
2264         findnext_flags = SVAL(params,10);
2265         close_after_request = (findnext_flags & FLAG_TRANS2_FIND_CLOSE);
2266         close_if_end = (findnext_flags & FLAG_TRANS2_FIND_CLOSE_IF_END);
2267         requires_resume_key = (findnext_flags & FLAG_TRANS2_FIND_REQUIRE_RESUME);
2268         continue_bit = (findnext_flags & FLAG_TRANS2_FIND_CONTINUE);
2269
2270         srvstr_get_path_wcard(ctx, params, req->flags2, &resume_name,
2271                               params+12,
2272                               total_params - 12, STR_TERMINATE, &ntstatus,
2273                               &mask_contains_wcard);
2274         if (!NT_STATUS_IS_OK(ntstatus)) {
2275                 /* Win9x or OS/2 can send a resume name of ".." or ".". This will cause the parser to
2276                    complain (it thinks we're asking for the directory above the shared
2277                    path or an invalid name). Catch this as the resume name is only compared, never used in
2278                    a file access. JRA. */
2279                 srvstr_pull_talloc(ctx, params, req->flags2,
2280                                 &resume_name, params+12,
2281                                 total_params - 12,
2282                                 STR_TERMINATE);
2283
2284                 if (!resume_name || !(ISDOT(resume_name) || ISDOTDOT(resume_name))) {
2285                         reply_nterror(req, ntstatus);
2286                         return;
2287                 }
2288         }
2289
2290         DEBUG(3,("call_trans2findnext: dirhandle = %d, max_data_bytes = %d, maxentries = %d, \
2291 close_after_request=%d, close_if_end = %d requires_resume_key = %d \
2292 resume_key = %d resume name = %s continue=%d level = %d\n",
2293                 dptr_num, max_data_bytes, maxentries, close_after_request, close_if_end,
2294                 requires_resume_key, resume_key, resume_name, continue_bit, info_level));
2295
2296         if (!maxentries) {
2297                 /* W2K3 seems to treat zero as 1. */
2298                 maxentries = 1;
2299         }
2300
2301         switch (info_level) {
2302                 case SMB_FIND_INFO_STANDARD:
2303                 case SMB_FIND_EA_SIZE:
2304                 case SMB_FIND_EA_LIST:
2305                 case SMB_FIND_FILE_DIRECTORY_INFO:
2306                 case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
2307                 case SMB_FIND_FILE_NAMES_INFO:
2308                 case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
2309                 case SMB_FIND_ID_FULL_DIRECTORY_INFO:
2310                 case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
2311                         break;
2312                 case SMB_FIND_FILE_UNIX:
2313                 case SMB_FIND_FILE_UNIX_INFO2:
2314                         /* Always use filesystem for UNIX mtime query. */
2315                         ask_sharemode = false;
2316                         if (!lp_unix_extensions()) {
2317                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2318                                 return;
2319                         }
2320                         break;
2321                 default:
2322                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2323                         return;
2324         }
2325
2326         if (info_level == SMB_FIND_EA_LIST) {
2327                 uint32 ea_size;
2328
2329                 if (total_data < 4) {
2330                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2331                         return;
2332                 }
2333
2334                 ea_size = IVAL(pdata,0);
2335                 if (ea_size != total_data) {
2336                         DEBUG(4,("call_trans2findnext: Rejecting EA request with incorrect \
2337 total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
2338                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2339                         return;
2340                 }
2341
2342                 if (!lp_ea_support(SNUM(conn))) {
2343                         reply_doserror(req, ERRDOS, ERReasnotsupported);
2344                         return;
2345                 }
2346
2347                 /* Pull out the list of names. */
2348                 ea_list = read_ea_name_list(ctx, pdata + 4, ea_size - 4);
2349                 if (!ea_list) {
2350                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2351                         return;
2352                 }
2353         }
2354
2355         *ppdata = (char *)SMB_REALLOC(
2356                 *ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2357         if(*ppdata == NULL) {
2358                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2359                 return;
2360         }
2361
2362         pdata = *ppdata;
2363         data_end = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
2364
2365         /* Realloc the params space */
2366         *pparams = (char *)SMB_REALLOC(*pparams, 6*SIZEOFWORD);
2367         if(*pparams == NULL ) {
2368                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2369                 return;
2370         }
2371
2372         params = *pparams;
2373
2374         /* Check that the dptr is valid */
2375         if(!(conn->dirptr = dptr_fetch_lanman2(dptr_num))) {
2376                 reply_doserror(req, ERRDOS, ERRnofiles);
2377                 return;
2378         }
2379
2380         string_set(&conn->dirpath,dptr_path(dptr_num));
2381
2382         /* Get the wildcard mask from the dptr */
2383         if((p = dptr_wcard(dptr_num))== NULL) {
2384                 DEBUG(2,("dptr_num %d has no wildcard\n", dptr_num));
2385                 reply_doserror(req, ERRDOS, ERRnofiles);
2386                 return;
2387         }
2388
2389         mask = p;
2390         directory = conn->dirpath;
2391
2392         /* Get the attr mask from the dptr */
2393         dirtype = dptr_attr(dptr_num);
2394
2395         DEBUG(3,("dptr_num is %d, mask = %s, attr = %x, dirptr=(0x%lX,%ld)\n",
2396                 dptr_num, mask, dirtype,
2397                 (long)conn->dirptr,
2398                 dptr_TellDir(conn->dirptr)));
2399
2400         /* We don't need to check for VOL here as this is returned by
2401                 a different TRANS2 call. */
2402
2403         DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",conn->dirpath,lp_dontdescend(SNUM(conn))));
2404         if (in_list(conn->dirpath,lp_dontdescend(SNUM(conn)),conn->case_sensitive))
2405                 dont_descend = True;
2406
2407         p = pdata;
2408         space_remaining = max_data_bytes;
2409         out_of_space = False;
2410
2411         /*
2412          * Seek to the correct position. We no longer use the resume key but
2413          * depend on the last file name instead.
2414          */
2415
2416         if(*resume_name && !continue_bit) {
2417                 SMB_STRUCT_STAT st;
2418
2419                 long current_pos = 0;
2420                 /*
2421                  * Remember, name_to_8_3 is called by
2422                  * get_lanman2_dir_entry(), so the resume name
2423                  * could be mangled. Ensure we check the unmangled name.
2424                  */
2425
2426                 if (mangle_is_mangled(resume_name, conn->params)) {
2427                         char *new_resume_name = NULL;
2428                         mangle_lookup_name_from_8_3(ctx,
2429                                                 resume_name,
2430                                                 &new_resume_name,
2431                                                 conn->params);
2432                         if (new_resume_name) {
2433                                 resume_name = new_resume_name;
2434                         }
2435                 }
2436
2437                 /*
2438                  * Fix for NT redirector problem triggered by resume key indexes
2439                  * changing between directory scans. We now return a resume key of 0
2440                  * and instead look for the filename to continue from (also given
2441                  * to us by NT/95/smbfs/smbclient). If no other scans have been done between the
2442                  * findfirst/findnext (as is usual) then the directory pointer
2443                  * should already be at the correct place.
2444                  */
2445
2446                 finished = !dptr_SearchDir(conn->dirptr, resume_name, &current_pos, &st);
2447         } /* end if resume_name && !continue_bit */
2448
2449         for (i=0;(i<(int)maxentries) && !finished && !out_of_space ;i++) {
2450                 bool got_exact_match = False;
2451
2452                 /* this is a heuristic to avoid seeking the dirptr except when
2453                         absolutely necessary. It allows for a filename of about 40 chars */
2454                 if (space_remaining < DIRLEN_GUESS && numentries > 0) {
2455                         out_of_space = True;
2456                         finished = False;
2457                 } else {
2458                         finished = !get_lanman2_dir_entry(ctx,
2459                                                 conn,
2460                                                 req->flags2,
2461                                                 mask,dirtype,info_level,
2462                                                 requires_resume_key,dont_descend,
2463                                                 ask_sharemode,
2464                                                 &p,pdata,data_end,
2465                                                 space_remaining, &out_of_space,
2466                                                 &got_exact_match,
2467                                                 &last_entry_off, ea_list);
2468                 }
2469
2470                 if (finished && out_of_space)
2471                         finished = False;
2472
2473                 if (!finished && !out_of_space)
2474                         numentries++;
2475
2476                 /*
2477                  * As an optimisation if we know we aren't looking
2478                  * for a wildcard name (ie. the name matches the wildcard exactly)
2479                  * then we can finish on any (first) match.
2480                  * This speeds up large directory searches. JRA.
2481                  */
2482
2483                 if(got_exact_match)
2484                         finished = True;
2485
2486                 space_remaining = max_data_bytes - PTR_DIFF(p,pdata);
2487         }
2488
2489         DEBUG( 3, ( "%s mask=%s directory=%s dirtype=%d numentries=%d\n",
2490                 smb_fn_name(req->cmd),
2491                 mask, directory, dirtype, numentries ) );
2492
2493         /* Check if we can close the dirptr */
2494         if(close_after_request || (finished && close_if_end)) {
2495                 DEBUG(5,("call_trans2findnext: closing dptr_num = %d\n", dptr_num));
2496                 dptr_close(&dptr_num); /* This frees up the saved mask */
2497         }
2498
2499         /* Set up the return parameter block */
2500         SSVAL(params,0,numentries);
2501         SSVAL(params,2,finished);
2502         SSVAL(params,4,0); /* Never an EA error */
2503         SSVAL(params,6,last_entry_off);
2504
2505         send_trans2_replies(conn, req, params, 8, pdata, PTR_DIFF(p,pdata),
2506                             max_data_bytes);
2507
2508         return;
2509 }
2510
2511 unsigned char *create_volume_objectid(connection_struct *conn, unsigned char objid[16])
2512 {
2513         E_md4hash(lp_servicename(SNUM(conn)),objid);
2514         return objid;
2515 }
2516
2517 static void samba_extended_info_version(struct smb_extended_info *extended_info)
2518 {
2519         SMB_ASSERT(extended_info != NULL);
2520
2521         extended_info->samba_magic = SAMBA_EXTENDED_INFO_MAGIC;
2522         extended_info->samba_version = ((SAMBA_VERSION_MAJOR & 0xff) << 24)
2523                                        | ((SAMBA_VERSION_MINOR & 0xff) << 16)
2524                                        | ((SAMBA_VERSION_RELEASE & 0xff) << 8);
2525 #ifdef SAMBA_VERSION_REVISION
2526         extended_info->samba_version |= (tolower(*SAMBA_VERSION_REVISION) - 'a' + 1) & 0xff;
2527 #endif
2528         extended_info->samba_subversion = 0;
2529 #ifdef SAMBA_VERSION_RC_RELEASE
2530         extended_info->samba_subversion |= (SAMBA_VERSION_RC_RELEASE & 0xff) << 24;
2531 #else
2532 #ifdef SAMBA_VERSION_PRE_RELEASE
2533         extended_info->samba_subversion |= (SAMBA_VERSION_PRE_RELEASE & 0xff) << 16;
2534 #endif
2535 #endif
2536 #ifdef SAMBA_VERSION_VENDOR_PATCH
2537         extended_info->samba_subversion |= (SAMBA_VERSION_VENDOR_PATCH & 0xffff);
2538 #endif
2539         extended_info->samba_gitcommitdate = 0;
2540 #ifdef SAMBA_VERSION_GIT_COMMIT_TIME
2541         unix_to_nt_time(&extended_info->samba_gitcommitdate, SAMBA_VERSION_GIT_COMMIT_TIME);
2542 #endif
2543
2544         memset(extended_info->samba_version_string, 0,
2545                sizeof(extended_info->samba_version_string));
2546
2547         snprintf (extended_info->samba_version_string,
2548                   sizeof(extended_info->samba_version_string),
2549                   "%s", samba_version_string());
2550 }
2551
2552 /****************************************************************************
2553  Reply to a TRANS2_QFSINFO (query filesystem info).
2554 ****************************************************************************/
2555
2556 static void call_trans2qfsinfo(connection_struct *conn,
2557                                struct smb_request *req,
2558                                char **pparams, int total_params,
2559                                char **ppdata, int total_data,
2560                                unsigned int max_data_bytes)
2561 {
2562         char *pdata, *end_data;
2563         char *params = *pparams;
2564         uint16 info_level;
2565         int data_len, len;
2566         SMB_STRUCT_STAT st;
2567         const char *vname = volume_label(SNUM(conn));
2568         int snum = SNUM(conn);
2569         char *fstype = lp_fstype(SNUM(conn));
2570         uint32 additional_flags = 0;
2571
2572         if (total_params < 2) {
2573                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2574                 return;
2575         }
2576
2577         info_level = SVAL(params,0);
2578
2579         if (IS_IPC(conn)) {
2580                 if (info_level != SMB_QUERY_CIFS_UNIX_INFO) {
2581                         DEBUG(0,("call_trans2qfsinfo: not an allowed "
2582                                 "info level (0x%x) on IPC$.\n",
2583                                 (unsigned int)info_level));
2584                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2585                         return;
2586                 }
2587         }
2588
2589         if (ENCRYPTION_REQUIRED(conn) && !req->encrypted) {
2590                 if (info_level != SMB_QUERY_CIFS_UNIX_INFO) {
2591                         DEBUG(0,("call_trans2qfsinfo: encryption required "
2592                                 "and info level 0x%x sent.\n",
2593                                 (unsigned int)info_level));
2594                         exit_server_cleanly("encryption required "
2595                                 "on connection");
2596                         return;
2597                 }
2598         }
2599
2600         DEBUG(3,("call_trans2qfsinfo: level = %d\n", info_level));
2601
2602         if(SMB_VFS_STAT(conn,".",&st)!=0) {
2603                 DEBUG(2,("call_trans2qfsinfo: stat of . failed (%s)\n", strerror(errno)));
2604                 reply_doserror(req, ERRSRV, ERRinvdevice);
2605                 return;
2606         }
2607
2608         *ppdata = (char *)SMB_REALLOC(
2609                 *ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2610         if (*ppdata == NULL ) {
2611                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2612                 return;
2613         }
2614
2615         pdata = *ppdata;
2616         memset((char *)pdata,'\0',max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2617         end_data = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
2618
2619         switch (info_level) {
2620                 case SMB_INFO_ALLOCATION:
2621                 {
2622                         uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
2623                         data_len = 18;
2624                         if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (uint64_t)-1) {
2625                                 reply_unixerror(req, ERRHRD, ERRgeneral);
2626                                 return;
2627                         }
2628
2629                         block_size = lp_block_size(snum);
2630                         if (bsize < block_size) {
2631                                 uint64_t factor = block_size/bsize;
2632                                 bsize = block_size;
2633                                 dsize /= factor;
2634                                 dfree /= factor;
2635                         }
2636                         if (bsize > block_size) {
2637                                 uint64_t factor = bsize/block_size;
2638                                 bsize = block_size;
2639                                 dsize *= factor;
2640                                 dfree *= factor;
2641                         }
2642                         bytes_per_sector = 512;
2643                         sectors_per_unit = bsize/bytes_per_sector;
2644
2645                         DEBUG(5,("call_trans2qfsinfo : SMB_INFO_ALLOCATION id=%x, bsize=%u, cSectorUnit=%u, \
2646 cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)st.st_dev, (unsigned int)bsize, (unsigned int)sectors_per_unit,
2647                                 (unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
2648
2649                         SIVAL(pdata,l1_idFileSystem,st.st_dev);
2650                         SIVAL(pdata,l1_cSectorUnit,sectors_per_unit);
2651                         SIVAL(pdata,l1_cUnit,dsize);
2652                         SIVAL(pdata,l1_cUnitAvail,dfree);
2653                         SSVAL(pdata,l1_cbSector,bytes_per_sector);
2654                         break;
2655                 }
2656
2657                 case SMB_INFO_VOLUME:
2658                         /* Return volume name */
2659                         /*
2660                          * Add volume serial number - hash of a combination of
2661                          * the called hostname and the service name.
2662                          */
2663                         SIVAL(pdata,0,str_checksum(lp_servicename(snum)) ^ (str_checksum(get_local_machine_name())<<16) );
2664                         /*
2665                          * Win2k3 and previous mess this up by sending a name length
2666                          * one byte short. I believe only older clients (OS/2 Win9x) use
2667                          * this call so try fixing this by adding a terminating null to
2668                          * the pushed string. The change here was adding the STR_TERMINATE. JRA.
2669                          */
2670                         len = srvstr_push(
2671                                 pdata, req->flags2,
2672                                 pdata+l2_vol_szVolLabel, vname,
2673                                 PTR_DIFF(end_data, pdata+l2_vol_szVolLabel),
2674                                 STR_NOALIGN|STR_TERMINATE);
2675                         SCVAL(pdata,l2_vol_cch,len);
2676                         data_len = l2_vol_szVolLabel + len;
2677                         DEBUG(5,("call_trans2qfsinfo : time = %x, namelen = %d, name = %s\n",
2678                                 (unsigned)st.st_ctime, len, vname));
2679                         break;
2680
2681                 case SMB_QUERY_FS_ATTRIBUTE_INFO:
2682                 case SMB_FS_ATTRIBUTE_INFORMATION:
2683
2684                         additional_flags = 0;
2685 #if defined(HAVE_SYS_QUOTAS)
2686                         additional_flags |= FILE_VOLUME_QUOTAS;
2687 #endif
2688
2689                         if(lp_nt_acl_support(SNUM(conn))) {
2690                                 additional_flags |= FILE_PERSISTENT_ACLS;
2691                         }
2692
2693                         /* Capabilities are filled in at connection time through STATVFS call */
2694                         additional_flags |= conn->fs_capabilities;
2695
2696                         SIVAL(pdata,0,FILE_CASE_PRESERVED_NAMES|FILE_CASE_SENSITIVE_SEARCH|
2697                                 FILE_SUPPORTS_OBJECT_IDS|FILE_UNICODE_ON_DISK|
2698                                 additional_flags); /* FS ATTRIBUTES */
2699
2700                         SIVAL(pdata,4,255); /* Max filename component length */
2701                         /* NOTE! the fstype must *not* be null terminated or win98 won't recognise it
2702                                 and will think we can't do long filenames */
2703                         len = srvstr_push(pdata, req->flags2, pdata+12, fstype,
2704                                           PTR_DIFF(end_data, pdata+12),
2705                                           STR_UNICODE);
2706                         SIVAL(pdata,8,len);
2707                         data_len = 12 + len;
2708                         break;
2709
2710                 case SMB_QUERY_FS_LABEL_INFO:
2711                 case SMB_FS_LABEL_INFORMATION:
2712                         len = srvstr_push(pdata, req->flags2, pdata+4, vname,
2713                                           PTR_DIFF(end_data, pdata+4), 0);
2714                         data_len = 4 + len;
2715                         SIVAL(pdata,0,len);
2716                         break;
2717
2718                 case SMB_QUERY_FS_VOLUME_INFO:
2719                 case SMB_FS_VOLUME_INFORMATION:
2720
2721                         /*
2722                          * Add volume serial number - hash of a combination of
2723                          * the called hostname and the service name.
2724                          */
2725                         SIVAL(pdata,8,str_checksum(lp_servicename(snum)) ^
2726                                 (str_checksum(get_local_machine_name())<<16));
2727
2728                         /* Max label len is 32 characters. */
2729                         len = srvstr_push(pdata, req->flags2, pdata+18, vname,
2730                                           PTR_DIFF(end_data, pdata+18),
2731                                           STR_UNICODE);
2732                         SIVAL(pdata,12,len);
2733                         data_len = 18+len;
2734
2735                         DEBUG(5,("call_trans2qfsinfo : SMB_QUERY_FS_VOLUME_INFO namelen = %d, vol=%s serv=%s\n",
2736                                 (int)strlen(vname),vname, lp_servicename(snum)));
2737                         break;
2738
2739                 case SMB_QUERY_FS_SIZE_INFO:
2740                 case SMB_FS_SIZE_INFORMATION:
2741                 {
2742                         uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
2743                         data_len = 24;
2744                         if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (uint64_t)-1) {
2745                                 reply_unixerror(req, ERRHRD, ERRgeneral);
2746                                 return;
2747                         }
2748                         block_size = lp_block_size(snum);
2749                         if (bsize < block_size) {
2750                                 uint64_t factor = block_size/bsize;
2751                                 bsize = block_size;
2752                                 dsize /= factor;
2753                                 dfree /= factor;
2754                         }
2755                         if (bsize > block_size) {
2756                                 uint64_t factor = bsize/block_size;
2757                                 bsize = block_size;
2758                                 dsize *= factor;
2759                                 dfree *= factor;
2760                         }
2761                         bytes_per_sector = 512;
2762                         sectors_per_unit = bsize/bytes_per_sector;
2763                         DEBUG(5,("call_trans2qfsinfo : SMB_QUERY_FS_SIZE_INFO bsize=%u, cSectorUnit=%u, \
2764 cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned int)sectors_per_unit,
2765                                 (unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
2766                         SBIG_UINT(pdata,0,dsize);
2767                         SBIG_UINT(pdata,8,dfree);
2768                         SIVAL(pdata,16,sectors_per_unit);
2769                         SIVAL(pdata,20,bytes_per_sector);
2770                         break;
2771                 }
2772
2773                 case SMB_FS_FULL_SIZE_INFORMATION:
2774                 {
2775                         uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
2776                         data_len = 32;
2777                         if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (uint64_t)-1) {
2778                                 reply_unixerror(req, ERRHRD, ERRgeneral);
2779                                 return;
2780                         }
2781                         block_size = lp_block_size(snum);
2782                         if (bsize < block_size) {
2783                                 uint64_t factor = block_size/bsize;
2784                                 bsize = block_size;
2785                                 dsize /= factor;
2786                                 dfree /= factor;
2787                         }
2788                         if (bsize > block_size) {
2789                                 uint64_t factor = bsize/block_size;
2790                                 bsize = block_size;
2791                                 dsize *= factor;
2792                                 dfree *= factor;
2793                         }
2794                         bytes_per_sector = 512;
2795                         sectors_per_unit = bsize/bytes_per_sector;
2796                         DEBUG(5,("call_trans2qfsinfo : SMB_QUERY_FS_FULL_SIZE_INFO bsize=%u, cSectorUnit=%u, \
2797 cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned int)sectors_per_unit,
2798                                 (unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
2799                         SBIG_UINT(pdata,0,dsize); /* Total Allocation units. */
2800                         SBIG_UINT(pdata,8,dfree); /* Caller available allocation units. */
2801                         SBIG_UINT(pdata,16,dfree); /* Actual available allocation units. */
2802                         SIVAL(pdata,24,sectors_per_unit); /* Sectors per allocation unit. */
2803                         SIVAL(pdata,28,bytes_per_sector); /* Bytes per sector. */
2804                         break;
2805                 }
2806
2807                 case SMB_QUERY_FS_DEVICE_INFO:
2808                 case SMB_FS_DEVICE_INFORMATION:
2809                         data_len = 8;
2810                         SIVAL(pdata,0,0); /* dev type */
2811                         SIVAL(pdata,4,0); /* characteristics */
2812                         break;
2813
2814 #ifdef HAVE_SYS_QUOTAS
2815                 case SMB_FS_QUOTA_INFORMATION:
2816                 /*
2817                  * what we have to send --metze:
2818                  *
2819                  * Unknown1:            24 NULL bytes
2820                  * Soft Quota Treshold: 8 bytes seems like uint64_t or so
2821                  * Hard Quota Limit:    8 bytes seems like uint64_t or so
2822                  * Quota Flags:         2 byte :
2823                  * Unknown3:            6 NULL bytes
2824                  *
2825                  * 48 bytes total
2826                  *
2827                  * details for Quota Flags:
2828                  *
2829                  * 0x0020 Log Limit: log if the user exceeds his Hard Quota
2830                  * 0x0010 Log Warn:  log if the user exceeds his Soft Quota
2831                  * 0x0002 Deny Disk: deny disk access when the user exceeds his Hard Quota
2832                  * 0x0001 Enable Quotas: enable quota for this fs
2833                  *
2834                  */
2835                 {
2836                         /* we need to fake up a fsp here,
2837                          * because its not send in this call
2838                          */
2839                         files_struct fsp;
2840                         SMB_NTQUOTA_STRUCT quotas;
2841
2842                         ZERO_STRUCT(fsp);
2843                         ZERO_STRUCT(quotas);
2844
2845                         fsp.conn = conn;
2846                         fsp.fnum = -1;
2847
2848                         /* access check */
2849                         if (conn->server_info->utok.uid != 0) {
2850                                 DEBUG(0,("set_user_quota: access_denied "
2851                                          "service [%s] user [%s]\n",
2852                                          lp_servicename(SNUM(conn)),
2853                                          conn->server_info->unix_name));
2854                                 reply_doserror(req, ERRDOS, ERRnoaccess);
2855                                 return;
2856                         }
2857
2858                         if (vfs_get_ntquota(&fsp, SMB_USER_FS_QUOTA_TYPE, NULL, &quotas)!=0) {
2859                                 DEBUG(0,("vfs_get_ntquota() failed for service [%s]\n",lp_servicename(SNUM(conn))));
2860                                 reply_doserror(req, ERRSRV, ERRerror);
2861                                 return;
2862                         }
2863
2864                         data_len = 48;
2865
2866                         DEBUG(10,("SMB_FS_QUOTA_INFORMATION: for service [%s]\n",lp_servicename(SNUM(conn))));
2867
2868                         /* Unknown1 24 NULL bytes*/
2869                         SBIG_UINT(pdata,0,(uint64_t)0);
2870                         SBIG_UINT(pdata,8,(uint64_t)0);
2871                         SBIG_UINT(pdata,16,(uint64_t)0);
2872
2873                         /* Default Soft Quota 8 bytes */
2874                         SBIG_UINT(pdata,24,quotas.softlim);
2875
2876                         /* Default Hard Quota 8 bytes */
2877                         SBIG_UINT(pdata,32,quotas.hardlim);
2878
2879                         /* Quota flag 2 bytes */
2880                         SSVAL(pdata,40,quotas.qflags);
2881
2882                         /* Unknown3 6 NULL bytes */
2883                         SSVAL(pdata,42,0);
2884                         SIVAL(pdata,44,0);
2885
2886                         break;
2887                 }
2888 #endif /* HAVE_SYS_QUOTAS */
2889                 case SMB_FS_OBJECTID_INFORMATION:
2890                 {
2891                         unsigned char objid[16];
2892                         struct smb_extended_info extended_info;
2893                         memcpy(pdata,create_volume_objectid(conn, objid),16);
2894                         samba_extended_info_version (&extended_info);
2895                         SIVAL(pdata,16,extended_info.samba_magic);
2896                         SIVAL(pdata,20,extended_info.samba_version);
2897                         SIVAL(pdata,24,extended_info.samba_subversion);
2898                         SBIG_UINT(pdata,28,extended_info.samba_gitcommitdate);
2899                         memcpy(pdata+36,extended_info.samba_version_string,28);
2900                         data_len = 64;
2901                         break;
2902                 }
2903
2904                 /*
2905                  * Query the version and capabilities of the CIFS UNIX extensions
2906                  * in use.
2907                  */
2908
2909                 case SMB_QUERY_CIFS_UNIX_INFO:
2910                 {
2911                         bool large_write = lp_min_receive_file_size() &&
2912                                                 !srv_is_signing_active();
2913                         bool large_read = !srv_is_signing_active();
2914                         int encrypt_caps = 0;
2915
2916                         if (!lp_unix_extensions()) {
2917                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2918                                 return;
2919                         }
2920
2921                         switch (conn->encrypt_level) {
2922                         case 0:
2923                                 encrypt_caps = 0;
2924                                 break;
2925                         case 1:
2926                         case Auto:
2927                                 encrypt_caps = CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP;
2928                                 break;
2929                         case Required:
2930                                 encrypt_caps = CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP|
2931                                                 CIFS_UNIX_TRANSPORT_ENCRYPTION_MANDATORY_CAP;
2932                                 large_write = false;
2933                                 large_read = false;
2934                                 break;
2935                         }
2936
2937                         data_len = 12;
2938                         SSVAL(pdata,0,CIFS_UNIX_MAJOR_VERSION);
2939                         SSVAL(pdata,2,CIFS_UNIX_MINOR_VERSION);
2940
2941                         /* We have POSIX ACLs, pathname, encryption,
2942                          * large read/write, and locking capability. */
2943
2944                         SBIG_UINT(pdata,4,((uint64_t)(
2945                                         CIFS_UNIX_POSIX_ACLS_CAP|
2946                                         CIFS_UNIX_POSIX_PATHNAMES_CAP|
2947                                         CIFS_UNIX_FCNTL_LOCKS_CAP|
2948                                         CIFS_UNIX_EXTATTR_CAP|
2949                                         CIFS_UNIX_POSIX_PATH_OPERATIONS_CAP|
2950                                         encrypt_caps|
2951                                         (large_read ? CIFS_UNIX_LARGE_READ_CAP : 0) |
2952                                         (large_write ?
2953                                         CIFS_UNIX_LARGE_WRITE_CAP : 0))));
2954                         break;
2955                 }
2956
2957                 case SMB_QUERY_POSIX_FS_INFO:
2958                 {
2959                         int rc;
2960                         vfs_statvfs_struct svfs;
2961
2962                         if (!lp_unix_extensions()) {
2963                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2964                                 return;
2965                         }
2966
2967                         rc = SMB_VFS_STATVFS(conn, ".", &svfs);
2968
2969                         if (!rc) {
2970                                 data_len = 56;
2971                                 SIVAL(pdata,0,svfs.OptimalTransferSize);
2972                                 SIVAL(pdata,4,svfs.BlockSize);
2973                                 SBIG_UINT(pdata,8,svfs.TotalBlocks);
2974                                 SBIG_UINT(pdata,16,svfs.BlocksAvail);
2975                                 SBIG_UINT(pdata,24,svfs.UserBlocksAvail);
2976                                 SBIG_UINT(pdata,32,svfs.TotalFileNodes);
2977                                 SBIG_UINT(pdata,40,svfs.FreeFileNodes);
2978                                 SBIG_UINT(pdata,48,svfs.FsIdentifier);
2979                                 DEBUG(5,("call_trans2qfsinfo : SMB_QUERY_POSIX_FS_INFO succsessful\n"));
2980 #ifdef EOPNOTSUPP
2981                         } else if (rc == EOPNOTSUPP) {
2982                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2983                                 return;
2984 #endif /* EOPNOTSUPP */
2985                         } else {
2986                                 DEBUG(0,("vfs_statvfs() failed for service [%s]\n",lp_servicename(SNUM(conn))));
2987                                 reply_doserror(req, ERRSRV, ERRerror);
2988                                 return;
2989                         }
2990                         break;
2991                 }
2992
2993                 case SMB_QUERY_POSIX_WHOAMI:
2994                 {
2995                         uint32_t flags = 0;
2996                         uint32_t sid_bytes;
2997                         int i;
2998
2999                         if (!lp_unix_extensions()) {
3000                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3001                                 return;
3002                         }
3003
3004                         if (max_data_bytes < 40) {
3005                                 reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
3006                                 return;
3007                         }
3008
3009                         /* We ARE guest if global_sid_Builtin_Guests is
3010                          * in our list of SIDs.
3011                          */
3012                         if (nt_token_check_sid(&global_sid_Builtin_Guests,
3013                                                conn->server_info->ptok)) {
3014                                 flags |= SMB_WHOAMI_GUEST;
3015                         }
3016
3017                         /* We are NOT guest if global_sid_Authenticated_Users
3018                          * is in our list of SIDs.
3019                          */
3020                         if (nt_token_check_sid(&global_sid_Authenticated_Users,
3021                                                conn->server_info->ptok)) {
3022                                 flags &= ~SMB_WHOAMI_GUEST;
3023                         }
3024
3025                         /* NOTE: 8 bytes for UID/GID, irrespective of native
3026                          * platform size. This matches
3027                          * SMB_QUERY_FILE_UNIX_BASIC and friends.
3028                          */
3029                         data_len = 4 /* flags */
3030                             + 4 /* flag mask */
3031                             + 8 /* uid */
3032                             + 8 /* gid */
3033                             + 4 /* ngroups */
3034                             + 4 /* num_sids */
3035                             + 4 /* SID bytes */
3036                             + 4 /* pad/reserved */
3037                             + (conn->server_info->utok.ngroups * 8)
3038                                 /* groups list */
3039                             + (conn->server_info->ptok->num_sids *
3040                                     SID_MAX_SIZE)
3041                                 /* SID list */;
3042
3043                         SIVAL(pdata, 0, flags);
3044                         SIVAL(pdata, 4, SMB_WHOAMI_MASK);
3045                         SBIG_UINT(pdata, 8,
3046                                   (uint64_t)conn->server_info->utok.uid);
3047                         SBIG_UINT(pdata, 16,
3048                                   (uint64_t)conn->server_info->utok.gid);
3049
3050
3051                         if (data_len >= max_data_bytes) {
3052                                 /* Potential overflow, skip the GIDs and SIDs. */
3053
3054                                 SIVAL(pdata, 24, 0); /* num_groups */
3055                                 SIVAL(pdata, 28, 0); /* num_sids */
3056                                 SIVAL(pdata, 32, 0); /* num_sid_bytes */
3057                                 SIVAL(pdata, 36, 0); /* reserved */
3058
3059                                 data_len = 40;
3060                                 break;
3061                         }
3062
3063                         SIVAL(pdata, 24, conn->server_info->utok.ngroups);
3064                         SIVAL(pdata, 28, conn->server_info->num_sids);
3065
3066                         /* We walk the SID list twice, but this call is fairly
3067                          * infrequent, and I don't expect that it's performance
3068                          * sensitive -- jpeach
3069                          */
3070                         for (i = 0, sid_bytes = 0;
3071                              i < conn->server_info->ptok->num_sids; ++i) {
3072                                 sid_bytes += ndr_size_dom_sid(
3073                                         &conn->server_info->ptok->user_sids[i],
3074                                         0);
3075                         }
3076
3077                         /* SID list byte count */
3078                         SIVAL(pdata, 32, sid_bytes);
3079
3080                         /* 4 bytes pad/reserved - must be zero */
3081                         SIVAL(pdata, 36, 0);
3082                         data_len = 40;
3083
3084                         /* GID list */
3085                         for (i = 0; i < conn->server_info->utok.ngroups; ++i) {
3086                                 SBIG_UINT(pdata, data_len,
3087                                           (uint64_t)conn->server_info->utok.groups[i]);
3088                                 data_len += 8;
3089                         }
3090
3091                         /* SID list */
3092                         for (i = 0;
3093                             i < conn->server_info->ptok->num_sids; ++i) {
3094                                 int sid_len = ndr_size_dom_sid(
3095                                         &conn->server_info->ptok->user_sids[i],
3096                                         0);
3097
3098                                 sid_linearize(pdata + data_len, sid_len,
3099                                     &conn->server_info->ptok->user_sids[i]);
3100                                 data_len += sid_len;
3101                         }
3102
3103                         break;
3104                 }
3105
3106                 case SMB_MAC_QUERY_FS_INFO:
3107                         /*
3108                          * Thursby MAC extension... ONLY on NTFS filesystems
3109                          * once we do streams then we don't need this
3110                          */
3111                         if (strequal(lp_fstype(SNUM(conn)),"NTFS")) {
3112                                 data_len = 88;
3113                                 SIVAL(pdata,84,0x100); /* Don't support mac... */
3114                                 break;
3115                         }
3116                         /* drop through */
3117                 default:
3118                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3119                         return;
3120         }
3121
3122
3123         send_trans2_replies(conn, req, params, 0, pdata, data_len,
3124                             max_data_bytes);
3125
3126         DEBUG( 4, ( "%s info_level = %d\n",
3127                     smb_fn_name(req->cmd), info_level) );
3128
3129         return;
3130 }
3131
3132 /****************************************************************************
3133  Reply to a TRANS2_SETFSINFO (set filesystem info).
3134 ****************************************************************************/
3135
3136 static void call_trans2setfsinfo(connection_struct *conn,
3137                                  struct smb_request *req,
3138                                  char **pparams, int total_params,
3139                                  char **ppdata, int total_data,
3140                                  unsigned int max_data_bytes)
3141 {
3142         char *pdata = *ppdata;
3143         char *params = *pparams;
3144         uint16 info_level;
3145
3146         DEBUG(10,("call_trans2setfsinfo: for service [%s]\n",lp_servicename(SNUM(conn))));
3147
3148         /*  */
3149         if (total_params < 4) {
3150                 DEBUG(0,("call_trans2setfsinfo: requires total_params(%d) >= 4 bytes!\n",
3151                         total_params));
3152                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3153                 return;
3154         }
3155
3156         info_level = SVAL(params,2);
3157
3158         if (IS_IPC(conn)) {
3159                 if (info_level != SMB_REQUEST_TRANSPORT_ENCRYPTION &&
3160                                 info_level != SMB_SET_CIFS_UNIX_INFO) {
3161                         DEBUG(0,("call_trans2setfsinfo: not an allowed "
3162                                 "info level (0x%x) on IPC$.\n",
3163                                 (unsigned int)info_level));
3164                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3165                         return;
3166                 }
3167         }
3168
3169         if (ENCRYPTION_REQUIRED(conn) && !req->encrypted) {
3170                 if (info_level != SMB_REQUEST_TRANSPORT_ENCRYPTION) {
3171                         DEBUG(0,("call_trans2setfsinfo: encryption required "
3172                                 "and info level 0x%x sent.\n",
3173                                 (unsigned int)info_level));
3174                         exit_server_cleanly("encryption required "
3175                                 "on connection");
3176                         return;
3177                 }
3178         }
3179
3180         switch(info_level) {
3181                 case SMB_SET_CIFS_UNIX_INFO:
3182                         {
3183                                 uint16 client_unix_major;
3184                                 uint16 client_unix_minor;
3185                                 uint32 client_unix_cap_low;
3186                                 uint32 client_unix_cap_high;
3187
3188                                 if (!lp_unix_extensions()) {
3189                                         reply_nterror(req,
3190                                                       NT_STATUS_INVALID_LEVEL);
3191                                         return;
3192                                 }
3193
3194                                 /* There should be 12 bytes of capabilities set. */
3195                                 if (total_data < 8) {
3196                                         reply_nterror(
3197                                                 req,
3198                                                 NT_STATUS_INVALID_PARAMETER);
3199                                         return;
3200                                 }
3201                                 client_unix_major = SVAL(pdata,0);
3202                                 client_unix_minor = SVAL(pdata,2);
3203                                 client_unix_cap_low = IVAL(pdata,4);
3204                                 client_unix_cap_high = IVAL(pdata,8);
3205                                 /* Just print these values for now. */
3206                                 DEBUG(10,("call_trans2setfsinfo: set unix info. major = %u, minor = %u \
3207 cap_low = 0x%x, cap_high = 0x%x\n",
3208                                         (unsigned int)client_unix_major,
3209                                         (unsigned int)client_unix_minor,
3210                                         (unsigned int)client_unix_cap_low,
3211                                         (unsigned int)client_unix_cap_high ));
3212
3213                                 /* Here is where we must switch to posix pathname processing... */
3214                                 if (client_unix_cap_low & CIFS_UNIX_POSIX_PATHNAMES_CAP) {
3215                                         lp_set_posix_pathnames();
3216                                         mangle_change_to_posix();
3217                                 }
3218
3219                                 if ((client_unix_cap_low & CIFS_UNIX_FCNTL_LOCKS_CAP) &&
3220                                     !(client_unix_cap_low & CIFS_UNIX_POSIX_PATH_OPERATIONS_CAP)) {
3221                                         /* Client that knows how to do posix locks,
3222                                          * but not posix open/mkdir operations. Set a
3223                                          * default type for read/write checks. */
3224
3225                                         lp_set_posix_default_cifsx_readwrite_locktype(POSIX_LOCK);
3226
3227                                 }
3228                                 break;
3229                         }
3230
3231                 case SMB_REQUEST_TRANSPORT_ENCRYPTION:
3232                         {
3233                                 NTSTATUS status;
3234                                 size_t param_len = 0;
3235                                 size_t data_len = total_data;
3236
3237                                 if (!lp_unix_extensions()) {
3238                                         reply_nterror(
3239                                                 req,
3240                                                 NT_STATUS_INVALID_LEVEL);
3241                                         return;
3242                                 }
3243
3244                                 if (lp_smb_encrypt(SNUM(conn)) == false) {
3245                                         reply_nterror(
3246                                                 req,
3247                                                 NT_STATUS_NOT_SUPPORTED);
3248                                         return;
3249                                 }
3250
3251                                 DEBUG( 4,("call_trans2setfsinfo: "
3252                                         "request transport encryption.\n"));
3253
3254                                 status = srv_request_encryption_setup(conn,
3255                                                                 (unsigned char **)ppdata,
3256                                                                 &data_len,
3257                                                                 (unsigned char **)pparams,
3258                                                                 &param_len);
3259
3260                                 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) &&
3261                                                 !NT_STATUS_IS_OK(status)) {
3262                                         reply_nterror(req, status);
3263                                         return;
3264                                 }
3265
3266                                 send_trans2_replies(conn, req,
3267                                                 *pparams,
3268                                                 param_len,
3269                                                 *ppdata,
3270                                                 data_len,
3271                                                 max_data_bytes);
3272
3273                                 if (NT_STATUS_IS_OK(status)) {
3274                                         /* Server-side transport
3275                                          * encryption is now *on*. */
3276                                         status = srv_encryption_start(conn);
3277                                         if (!NT_STATUS_IS_OK(status)) {
3278                                                 exit_server_cleanly(
3279                                                         "Failure in setting "
3280                                                         "up encrypted transport");
3281                                         }
3282                                 }
3283                                 return;
3284                         }
3285
3286                 case SMB_FS_QUOTA_INFORMATION:
3287                         {
3288                                 files_struct *fsp = NULL;
3289                                 SMB_NTQUOTA_STRUCT quotas;
3290
3291                                 ZERO_STRUCT(quotas);
3292
3293                                 /* access check */
3294                                 if ((conn->server_info->utok.uid != 0)
3295                                     ||!CAN_WRITE(conn)) {
3296                                         DEBUG(0,("set_user_quota: access_denied service [%s] user [%s]\n",
3297                                                  lp_servicename(SNUM(conn)),
3298                                                  conn->server_info->unix_name));
3299                                         reply_doserror(req, ERRSRV, ERRaccess);
3300                                         return;
3301                                 }
3302
3303                                 /* note: normaly there're 48 bytes,
3304                                  * but we didn't use the last 6 bytes for now
3305                                  * --metze
3306                                  */
3307                                 fsp = file_fsp(req, SVAL(params,0));
3308
3309                                 if (!check_fsp_ntquota_handle(conn, req,
3310                                                               fsp)) {
3311                                         DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
3312                                         reply_nterror(
3313                                                 req, NT_STATUS_INVALID_HANDLE);
3314                                         return;
3315                                 }
3316
3317                                 if (total_data < 42) {
3318                                         DEBUG(0,("call_trans2setfsinfo: SET_FS_QUOTA: requires total_data(%d) >= 42 bytes!\n",
3319                                                 total_data));
3320                                         reply_nterror(
3321                                                 req,
3322                                                 NT_STATUS_INVALID_PARAMETER);
3323                                         return;
3324                                 }
3325
3326                                 /* unknown_1 24 NULL bytes in pdata*/
3327
3328                                 /* the soft quotas 8 bytes (uint64_t)*/
3329                                 quotas.softlim = (uint64_t)IVAL(pdata,24);
3330 #ifdef LARGE_SMB_OFF_T
3331                                 quotas.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
3332 #else /* LARGE_SMB_OFF_T */
3333                                 if ((IVAL(pdata,28) != 0)&&
3334                                         ((quotas.softlim != 0xFFFFFFFF)||
3335                                         (IVAL(pdata,28)!=0xFFFFFFFF))) {
3336                                         /* more than 32 bits? */
3337                                         reply_nterror(
3338                                                 req,
3339                                                 NT_STATUS_INVALID_PARAMETER);
3340                                         return;
3341                                 }
3342 #endif /* LARGE_SMB_OFF_T */
3343
3344                                 /* the hard quotas 8 bytes (uint64_t)*/
3345                                 quotas.hardlim = (uint64_t)IVAL(pdata,32);
3346 #ifdef LARGE_SMB_OFF_T
3347                                 quotas.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
3348 #else /* LARGE_SMB_OFF_T */
3349                                 if ((IVAL(pdata,36) != 0)&&
3350                                         ((quotas.hardlim != 0xFFFFFFFF)||
3351                                         (IVAL(pdata,36)!=0xFFFFFFFF))) {
3352                                         /* more than 32 bits? */
3353                                         reply_nterror(
3354                                                 req,
3355                                                 NT_STATUS_INVALID_PARAMETER);
3356                                         return;
3357                                 }
3358 #endif /* LARGE_SMB_OFF_T */
3359
3360                                 /* quota_flags 2 bytes **/
3361                                 quotas.qflags = SVAL(pdata,40);
3362
3363                                 /* unknown_2 6 NULL bytes follow*/
3364
3365                                 /* now set the quotas */
3366                                 if (vfs_set_ntquota(fsp, SMB_USER_FS_QUOTA_TYPE, NULL, &quotas)!=0) {
3367                                         DEBUG(0,("vfs_set_ntquota() failed for service [%s]\n",lp_servicename(SNUM(conn))));
3368                                         reply_doserror(req, ERRSRV, ERRerror);
3369                                         return;
3370                                 }
3371
3372                                 break;
3373                         }
3374                 default:
3375                         DEBUG(3,("call_trans2setfsinfo: unknown level (0x%X) not implemented yet.\n",
3376                                 info_level));
3377                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3378                         return;
3379                         break;
3380         }
3381
3382         /*
3383          * sending this reply works fine,
3384          * but I'm not sure it's the same
3385          * like windows do...
3386          * --metze
3387          */
3388         reply_outbuf(req, 10, 0);
3389 }
3390
3391 #if defined(HAVE_POSIX_ACLS)
3392 /****************************************************************************
3393  Utility function to count the number of entries in a POSIX acl.
3394 ****************************************************************************/
3395
3396 static unsigned int count_acl_entries(connection_struct *conn, SMB_ACL_T posix_acl)
3397 {
3398         unsigned int ace_count = 0;
3399         int entry_id = SMB_ACL_FIRST_ENTRY;
3400         SMB_ACL_ENTRY_T entry;
3401
3402         while ( posix_acl && (SMB_VFS_SYS_ACL_GET_ENTRY(conn, posix_acl, entry_id, &entry) == 1)) {
3403                 /* get_next... */
3404                 if (entry_id == SMB_ACL_FIRST_ENTRY) {
3405                         entry_id = SMB_ACL_NEXT_ENTRY;
3406                 }
3407                 ace_count++;
3408         }
3409         return ace_count;
3410 }
3411
3412 /****************************************************************************
3413  Utility function to marshall a POSIX acl into wire format.
3414 ****************************************************************************/
3415
3416 static bool marshall_posix_acl(connection_struct *conn, char *pdata, SMB_STRUCT_STAT *pst, SMB_ACL_T posix_acl)
3417 {
3418         int entry_id = SMB_ACL_FIRST_ENTRY;
3419         SMB_ACL_ENTRY_T entry;
3420
3421         while ( posix_acl && (SMB_VFS_SYS_ACL_GET_ENTRY(conn, posix_acl, entry_id, &entry) == 1)) {
3422                 SMB_ACL_TAG_T tagtype;
3423                 SMB_ACL_PERMSET_T permset;
3424                 unsigned char perms = 0;
3425                 unsigned int own_grp;
3426
3427                 /* get_next... */
3428                 if (entry_id == SMB_ACL_FIRST_ENTRY) {
3429                         entry_id = SMB_ACL_NEXT_ENTRY;
3430                 }
3431
3432                 if (SMB_VFS_SYS_ACL_GET_TAG_TYPE(conn, entry, &tagtype) == -1) {
3433                         DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_TAG_TYPE failed.\n"));
3434                         return False;
3435                 }
3436
3437                 if (SMB_VFS_SYS_ACL_GET_PERMSET(conn, entry, &permset) == -1) {
3438                         DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_PERMSET failed.\n"));
3439                         return False;
3440                 }
3441
3442                 perms |= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_READ) ? SMB_POSIX_ACL_READ : 0);
3443                 perms |= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_WRITE) ? SMB_POSIX_ACL_WRITE : 0);
3444                 perms |= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_EXECUTE) ? SMB_POSIX_ACL_EXECUTE : 0);
3445
3446                 SCVAL(pdata,1,perms);
3447
3448                 switch (tagtype) {
3449                         case SMB_ACL_USER_OBJ:
3450                                 SCVAL(pdata,0,SMB_POSIX_ACL_USER_OBJ);
3451                                 own_grp = (unsigned int)pst->st_uid;
3452                                 SIVAL(pdata,2,own_grp);
3453                                 SIVAL(pdata,6,0);
3454                                 break;
3455                         case SMB_ACL_USER:
3456                                 {
3457                                         uid_t *puid = (uid_t *)SMB_VFS_SYS_ACL_GET_QUALIFIER(conn, entry);
3458                                         if (!puid) {
3459                                                 DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_QUALIFIER failed.\n"));
3460                                                 return False;
3461                                         }
3462                                         own_grp = (unsigned int)*puid;
3463                                         SMB_VFS_SYS_ACL_FREE_QUALIFIER(conn, (void *)puid,tagtype);
3464                                         SCVAL(pdata,0,SMB_POSIX_ACL_USER);
3465                                         SIVAL(pdata,2,own_grp);
3466                                         SIVAL(pdata,6,0);
3467                                         break;
3468                                 }
3469                         case SMB_ACL_GROUP_OBJ:
3470                                 SCVAL(pdata,0,SMB_POSIX_ACL_GROUP_OBJ);
3471                                 own_grp = (unsigned int)pst->st_gid;
3472                                 SIVAL(pdata,2,own_grp);
3473                                 SIVAL(pdata,6,0);
3474                                 break;
3475                         case SMB_ACL_GROUP:
3476                                 {
3477                                         gid_t *pgid= (gid_t *)SMB_VFS_SYS_ACL_GET_QUALIFIER(conn, entry);
3478                                         if (!pgid) {
3479                                                 DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_QUALIFIER failed.\n"));
3480                                                 return False;
3481                                         }
3482                                         own_grp = (unsigned int)*pgid;
3483                                         SMB_VFS_SYS_ACL_FREE_QUALIFIER(conn, (void *)pgid,tagtype);
3484                                         SCVAL(pdata,0,SMB_POSIX_ACL_GROUP);
3485                                         SIVAL(pdata,2,own_grp);
3486                                         SIVAL(pdata,6,0);
3487                                         break;
3488                                 }
3489                         case SMB_ACL_MASK:
3490                                 SCVAL(pdata,0,SMB_POSIX_ACL_MASK);
3491                                 SIVAL(pdata,2,0xFFFFFFFF);
3492                                 SIVAL(pdata,6,0xFFFFFFFF);
3493                                 break;
3494                         case SMB_ACL_OTHER:
3495                                 SCVAL(pdata,0,SMB_POSIX_ACL_OTHER);
3496                                 SIVAL(pdata,2,0xFFFFFFFF);
3497                                 SIVAL(pdata,6,0xFFFFFFFF);
3498                                 break;
3499                         default:
3500                                 DEBUG(0,("marshall_posix_acl: unknown tagtype.\n"));
3501                                 return False;
3502                 }
3503                 pdata += SMB_POSIX_ACL_ENTRY_SIZE;
3504         }
3505
3506         return True;
3507 }
3508 #endif
3509
3510 /****************************************************************************
3511  Store the FILE_UNIX_BASIC info.
3512 ****************************************************************************/
3513
3514 static char *store_file_unix_basic(connection_struct *conn,
3515                                 char *pdata,
3516                                 files_struct *fsp,
3517                                 const SMB_STRUCT_STAT *psbuf)
3518 {
3519         DEBUG(10,("store_file_unix_basic: SMB_QUERY_FILE_UNIX_BASIC\n"));
3520         DEBUG(4,("store_file_unix_basic: st_mode=%o\n",(int)psbuf->st_mode));
3521
3522         SOFF_T(pdata,0,get_file_size(*psbuf));             /* File size 64 Bit */
3523         pdata += 8;
3524
3525         SOFF_T(pdata,0,get_allocation_size(conn,fsp,psbuf)); /* Number of bytes used on disk - 64 Bit */
3526         pdata += 8;
3527
3528         put_long_date_timespec(pdata,get_ctimespec(psbuf));       /* Change Time 64 Bit */
3529         put_long_date_timespec(pdata+8,get_atimespec(psbuf));     /* Last access time 64 Bit */
3530         put_long_date_timespec(pdata+16,get_mtimespec(psbuf));    /* Last modification time 64 Bit */
3531         pdata += 24;
3532
3533         SIVAL(pdata,0,psbuf->st_uid);               /* user id for the owner */
3534         SIVAL(pdata,4,0);
3535         pdata += 8;
3536
3537         SIVAL(pdata,0,psbuf->st_gid);               /* group id of owner */
3538         SIVAL(pdata,4,0);
3539         pdata += 8;
3540
3541         SIVAL(pdata,0,unix_filetype(psbuf->st_mode));
3542         pdata += 4;
3543
3544         SIVAL(pdata,0,unix_dev_major(psbuf->st_rdev));   /* Major device number if type is device */
3545         SIVAL(pdata,4,0);
3546         pdata += 8;
3547
3548         SIVAL(pdata,0,unix_dev_minor(psbuf->st_rdev));   /* Minor device number if type is device */
3549         SIVAL(pdata,4,0);
3550         pdata += 8;
3551
3552         SINO_T_VAL(pdata,0,(SMB_INO_T)psbuf->st_ino);   /* inode number */
3553         pdata += 8;
3554
3555         SIVAL(pdata,0, unix_perms_to_wire(psbuf->st_mode));     /* Standard UNIX file permissions */
3556         SIVAL(pdata,4,0);
3557         pdata += 8;
3558
3559         SIVAL(pdata,0,psbuf->st_nlink);             /* number of hard links */
3560         SIVAL(pdata,4,0);
3561         pdata += 8;
3562
3563         return pdata;
3564 }
3565
3566 /* Forward and reverse mappings from the UNIX_INFO2 file flags field and
3567  * the chflags(2) (or equivalent) flags.
3568  *
3569  * XXX: this really should be behind the VFS interface. To do this, we would
3570  * need to alter SMB_STRUCT_STAT so that it included a flags and a mask field.
3571  * Each VFS module could then implement its own mapping as appropriate for the
3572  * platform. We would then pass the SMB flags into SMB_VFS_CHFLAGS.
3573  */
3574 static const struct {unsigned stat_fflag; unsigned smb_fflag;}
3575         info2_flags_map[] =
3576 {
3577 #ifdef UF_NODUMP
3578     { UF_NODUMP, EXT_DO_NOT_BACKUP },
3579 #endif
3580
3581 #ifdef UF_IMMUTABLE
3582     { UF_IMMUTABLE, EXT_IMMUTABLE },
3583 #endif
3584
3585 #ifdef UF_APPEND
3586     { UF_APPEND, EXT_OPEN_APPEND_ONLY },
3587 #endif
3588
3589 #ifdef UF_HIDDEN
3590     { UF_HIDDEN, EXT_HIDDEN },
3591 #endif
3592
3593     /* Do not remove. We need to guarantee that this array has at least one
3594      * entry to build on HP-UX.
3595      */
3596     { 0, 0 }
3597
3598 };
3599
3600 static void map_info2_flags_from_sbuf(const SMB_STRUCT_STAT *psbuf,
3601                                 uint32 *smb_fflags, uint32 *smb_fmask)
3602 {
3603 #ifdef HAVE_STAT_ST_FLAGS
3604         int i;
3605
3606         for (i = 0; i < ARRAY_SIZE(info2_flags_map); ++i) {
3607             *smb_fmask |= info2_flags_map[i].smb_fflag;
3608             if (psbuf->st_flags & info2_flags_map[i].stat_fflag) {
3609                     *smb_fflags |= info2_flags_map[i].smb_fflag;
3610             }
3611         }
3612 #endif /* HAVE_STAT_ST_FLAGS */
3613 }
3614
3615 static bool map_info2_flags_to_sbuf(const SMB_STRUCT_STAT *psbuf,
3616                                 const uint32 smb_fflags,
3617                                 const uint32 smb_fmask,
3618                                 int *stat_fflags)
3619 {
3620 #ifdef HAVE_STAT_ST_FLAGS
3621         uint32 max_fmask = 0;
3622         int i;
3623
3624         *stat_fflags = psbuf->st_flags;
3625
3626         /* For each flags requested in smb_fmask, check the state of the
3627          * corresponding flag in smb_fflags and set or clear the matching
3628          * stat flag.
3629          */
3630
3631         for (i = 0; i < ARRAY_SIZE(info2_flags_map); ++i) {
3632             max_fmask |= info2_flags_map[i].smb_fflag;
3633             if (smb_fmask & info2_flags_map[i].smb_fflag) {
3634                     if (smb_fflags & info2_flags_map[i].smb_fflag) {
3635                             *stat_fflags |= info2_flags_map[i].stat_fflag;
3636                     } else {
3637                             *stat_fflags &= ~info2_flags_map[i].stat_fflag;
3638                     }
3639             }
3640         }
3641
3642         /* If smb_fmask is asking to set any bits that are not supported by
3643          * our flag mappings, we should fail.
3644          */
3645         if ((smb_fmask & max_fmask) != smb_fmask) {
3646                 return False;
3647         }
3648
3649         return True;
3650 #else
3651         return False;
3652 #endif /* HAVE_STAT_ST_FLAGS */
3653 }
3654
3655
3656 /* Just like SMB_QUERY_FILE_UNIX_BASIC, but with the addition
3657  * of file flags and birth (create) time.
3658  */
3659 static char *store_file_unix_basic_info2(connection_struct *conn,
3660                                 char *pdata,
3661                                 files_struct *fsp,
3662                                 const SMB_STRUCT_STAT *psbuf)
3663 {
3664         uint32 file_flags = 0;
3665         uint32 flags_mask = 0;
3666
3667         pdata = store_file_unix_basic(conn, pdata, fsp, psbuf);
3668
3669         /* Create (birth) time 64 bit */
3670         put_long_date_timespec(pdata, get_create_timespec(psbuf, False));
3671         pdata += 8;
3672
3673         map_info2_flags_from_sbuf(psbuf, &file_flags, &flags_mask);
3674         SIVAL(pdata, 0, file_flags); /* flags */
3675         SIVAL(pdata, 4, flags_mask); /* mask */
3676         pdata += 8;
3677
3678         return pdata;
3679 }
3680
3681 static NTSTATUS marshall_stream_info(unsigned int num_streams,
3682                                      const struct stream_struct *streams,
3683                                      char *data,
3684                                      unsigned int max_data_bytes,
3685                                      unsigned int *data_size)
3686 {
3687         unsigned int i;
3688         unsigned int ofs = 0;
3689
3690         for (i=0; i<num_streams; i++) {
3691                 unsigned int next_offset;
3692                 size_t namelen;
3693                 smb_ucs2_t *namebuf;
3694
3695                 if (!push_ucs2_talloc(talloc_tos(), &namebuf,
3696                                       streams[i].name, &namelen) ||
3697                     namelen <= 2)
3698                 {
3699                         return NT_STATUS_INVALID_PARAMETER;
3700                 }
3701
3702                 /*
3703                  * name_buf is now null-terminated, we need to marshall as not
3704                  * terminated
3705                  */
3706
3707                 namelen -= 2;
3708
3709                 if (ofs + 24 + namelen > max_data_bytes) {
3710                         TALLOC_FREE(namebuf);
3711                         return NT_STATUS_BUFFER_TOO_SMALL;
3712                 }
3713
3714                 SIVAL(data, ofs+4, namelen);
3715                 SOFF_T(data, ofs+8, streams[i].size);
3716                 SOFF_T(data, ofs+16, streams[i].alloc_size);
3717                 memcpy(data+ofs+24, namebuf, namelen);
3718                 TALLOC_FREE(namebuf);
3719
3720                 next_offset = ofs + 24 + namelen;
3721
3722                 if (i == num_streams-1) {
3723                         SIVAL(data, ofs, 0);
3724                 }
3725                 else {
3726                         unsigned int align = ndr_align_size(next_offset, 8);
3727
3728                         if (next_offset + align > max_data_bytes) {
3729                                 return NT_STATUS_BUFFER_TOO_SMALL;
3730                         }
3731
3732                         memset(data+next_offset, 0, align);
3733                         next_offset += align;
3734
3735                         SIVAL(data, ofs, next_offset - ofs);
3736                         ofs = next_offset;
3737                 }
3738
3739                 ofs = next_offset;
3740         }
3741
3742         *data_size = ofs;
3743
3744         return NT_STATUS_OK;
3745 }
3746
3747 /****************************************************************************
3748  Reply to a TRANSACT2_QFILEINFO on a PIPE !
3749 ****************************************************************************/
3750
3751 static void call_trans2qpipeinfo(connection_struct *conn,
3752                                  struct smb_request *req,
3753                                  unsigned int tran_call,
3754                                  char **pparams, int total_params,
3755                                  char **ppdata, int total_data,
3756                                  unsigned int max_data_bytes)
3757 {
3758         char *params = *pparams;
3759         char *pdata = *ppdata;
3760         unsigned int data_size = 0;
3761         unsigned int param_size = 2;
3762         uint16 info_level;
3763         files_struct *fsp;
3764
3765         if (!params) {
3766                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3767                 return;
3768         }
3769
3770         if (total_params < 4) {
3771                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3772                 return;
3773         }
3774
3775         fsp = file_fsp(req, SVAL(params,0));
3776         if (!fsp_is_np(fsp)) {
3777                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
3778                 return;
3779         }
3780
3781         info_level = SVAL(params,2);
3782
3783         *pparams = (char *)SMB_REALLOC(*pparams,2);
3784         if (*pparams == NULL) {
3785                 reply_nterror(req, NT_STATUS_NO_MEMORY);
3786                 return;
3787         }
3788         params = *pparams;
3789         SSVAL(params,0,0);
3790         data_size = max_data_bytes + DIR_ENTRY_SAFETY_MARGIN;
3791         *ppdata = (char *)SMB_REALLOC(*ppdata, data_size);
3792         if (*ppdata == NULL ) {
3793                 reply_nterror(req, NT_STATUS_NO_MEMORY);
3794                 return;
3795         }
3796         pdata = *ppdata;
3797
3798         switch (info_level) {
3799                 case SMB_FILE_STANDARD_INFORMATION:
3800                         memset(pdata,0,24);
3801                         SOFF_T(pdata,0,4096LL);
3802                         SIVAL(pdata,16,1);
3803                         SIVAL(pdata,20,1);
3804                         data_size = 24;
3805                         break;
3806
3807                 default:
3808                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3809                         return;
3810         }
3811
3812         send_trans2_replies(conn, req, params, param_size, *ppdata, data_size,
3813                             max_data_bytes);
3814
3815         return;
3816 }
3817
3818 /****************************************************************************
3819  Reply to a TRANS2_QFILEPATHINFO or TRANSACT2_QFILEINFO (query file info by
3820  file name or file id).
3821 ****************************************************************************/
3822
3823 static void call_trans2qfilepathinfo(connection_struct *conn,
3824                                      struct smb_request *req,
3825                                      unsigned int tran_call,
3826                                      char **pparams, int total_params,
3827                                      char **ppdata, int total_data,
3828                                      unsigned int max_data_bytes)
3829 {
3830         char *params = *pparams;
3831         char *pdata = *ppdata;
3832         char *dstart, *dend;
3833         uint16 info_level;
3834         int mode=0;
3835         int nlink;
3836         SMB_OFF_T file_size=0;
3837         uint64_t allocation_size=0;
3838         unsigned int data_size = 0;
3839         unsigned int param_size = 2;
3840         SMB_STRUCT_STAT sbuf;
3841         char *dos_fname = NULL;
3842         char *fname = NULL;
3843         char *fullpathname;
3844         char *base_name;
3845         char *p;
3846         SMB_OFF_T pos = 0;
3847         bool delete_pending = False;
3848         int len;
3849         time_t create_time, mtime, atime;
3850         struct timespec create_time_ts, mtime_ts, atime_ts;
3851         struct timespec write_time_ts;
3852         files_struct *fsp = NULL;
3853         struct file_id fileid;
3854         struct ea_list *ea_list = NULL;
3855         char *lock_data = NULL;
3856         bool ms_dfs_link = false;
3857         TALLOC_CTX *ctx = talloc_tos();
3858
3859         if (!params) {
3860                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3861                 return;
3862         }
3863
3864         ZERO_STRUCT(sbuf);
3865         ZERO_STRUCT(write_time_ts);
3866
3867         if (tran_call == TRANSACT2_QFILEINFO) {
3868                 if (total_params < 4) {
3869                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3870                         return;
3871                 }
3872
3873                 if (IS_IPC(conn)) {
3874                         call_trans2qpipeinfo(conn, req, tran_call,
3875                                              pparams, total_params,
3876                                              ppdata, total_data,
3877                                              max_data_bytes);
3878                         return;
3879                 }
3880
3881                 fsp = file_fsp(req, SVAL(params,0));
3882                 info_level = SVAL(params,2);
3883
3884                 DEBUG(3,("call_trans2qfilepathinfo: TRANSACT2_QFILEINFO: level = %d\n", info_level));
3885
3886                 if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
3887                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3888                         return;
3889                 }
3890
3891                 /* Initial check for valid fsp ptr. */
3892                 if (!check_fsp_open(conn, req, fsp)) {
3893                         return;
3894                 }
3895
3896                 fname = talloc_strdup(talloc_tos(),fsp->fsp_name);
3897                 if (!fname) {
3898                         reply_nterror(req, NT_STATUS_NO_MEMORY);
3899                         return;
3900                 }
3901
3902                 if(fsp->fake_file_handle) {
3903                         /*
3904                          * This is actually for the QUOTA_FAKE_FILE --metze
3905                          */
3906
3907                         /* We know this name is ok, it's already passed the checks. */
3908
3909                 } else if(fsp && (fsp->is_directory || fsp->fh->fd == -1)) {
3910                         /*
3911                          * This is actually a QFILEINFO on a directory
3912                          * handle (returned from an NT SMB). NT5.0 seems
3913                          * to do this call. JRA.
3914                          */
3915
3916                         if (INFO_LEVEL_IS_UNIX(info_level)) {
3917                                 /* Always do lstat for UNIX calls. */
3918                                 if (SMB_VFS_LSTAT(conn,fname,&sbuf)) {
3919                                         DEBUG(3,("call_trans2qfilepathinfo: SMB_VFS_LSTAT of %s failed (%s)\n",fname,strerror(errno)));
3920                                         reply_unixerror(req,ERRDOS,ERRbadpath);
3921                                         return;
3922                                 }
3923                         } else if (SMB_VFS_STAT(conn,fname,&sbuf)) {
3924                                 DEBUG(3,("call_trans2qfilepathinfo: SMB_VFS_STAT of %s failed (%s)\n",fname,strerror(errno)));
3925                                 reply_unixerror(req, ERRDOS, ERRbadpath);
3926                                 return;
3927                         }
3928
3929                         fileid = vfs_file_id_from_sbuf(conn, &sbuf);
3930                         get_file_infos(fileid, &delete_pending, &write_time_ts);
3931                 } else {
3932                         /*
3933                          * Original code - this is an open file.
3934                          */
3935                         if (!check_fsp(conn, req, fsp)) {
3936                                 return;
3937                         }
3938
3939                         if (SMB_VFS_FSTAT(fsp, &sbuf) != 0) {
3940                                 DEBUG(3,("fstat of fnum %d failed (%s)\n", fsp->fnum, strerror(errno)));
3941                                 reply_unixerror(req, ERRDOS, ERRbadfid);
3942                                 return;
3943                         }
3944                         pos = fsp->fh->position_information;
3945                         fileid = vfs_file_id_from_sbuf(conn, &sbuf);
3946                         get_file_infos(fileid, &delete_pending, &write_time_ts);
3947                 }
3948
3949         } else {
3950                 NTSTATUS status = NT_STATUS_OK;
3951
3952                 /* qpathinfo */
3953                 if (total_params < 7) {
3954                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3955                         return;
3956                 }
3957
3958                 info_level = SVAL(params,0);
3959
3960                 DEBUG(3,("call_trans2qfilepathinfo: TRANSACT2_QPATHINFO: level = %d\n", info_level));
3961
3962                 if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
3963                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3964                         return;
3965                 }
3966
3967                 srvstr_get_path(ctx, params, req->flags2, &fname, &params[6],
3968                                 total_params - 6,
3969                                 STR_TERMINATE, &status);
3970                 if (!NT_STATUS_IS_OK(status)) {
3971                         reply_nterror(req, status);
3972                         return;
3973                 }
3974
3975                 status = resolve_dfspath(ctx,
3976                                         conn,
3977                                         req->flags2 & FLAGS2_DFS_PATHNAMES,
3978                                         fname,
3979                                         &fname);
3980                 if (!NT_STATUS_IS_OK(status)) {
3981                         if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
3982                                 reply_botherror(req,
3983                                                 NT_STATUS_PATH_NOT_COVERED,
3984                                                 ERRSRV, ERRbadpath);
3985                         }
3986                         reply_nterror(req, status);
3987                         return;
3988                 }
3989
3990                 status = unix_convert(ctx, conn, fname, False, &fname, NULL, &sbuf);
3991                 if (!NT_STATUS_IS_OK(status)) {
3992                         reply_nterror(req, status);
3993                         return;
3994                 }
3995                 status = check_name(conn, fname);
3996                 if (!NT_STATUS_IS_OK(status)) {
3997                         DEBUG(3,("call_trans2qfilepathinfo: fileinfo of %s failed (%s)\n",fname,nt_errstr(status)));
3998                         reply_nterror(req, status);
3999                         return;
4000                 }
4001
4002                 if (INFO_LEVEL_IS_UNIX(info_level)) {
4003                         /* Always do lstat for UNIX calls. */
4004                         if (SMB_VFS_LSTAT(conn,fname,&sbuf)) {
4005                                 DEBUG(3,("call_trans2qfilepathinfo: SMB_VFS_LSTAT of %s failed (%s)\n",fname,strerror(errno)));
4006                                 reply_unixerror(req, ERRDOS, ERRbadpath);
4007                                 return;
4008                         }
4009
4010                 } else if (!VALID_STAT(sbuf) && SMB_VFS_STAT(conn,fname,&sbuf) && (info_level != SMB_INFO_IS_NAME_VALID)) {
4011                         ms_dfs_link = check_msdfs_link(conn,fname,&sbuf);
4012
4013                         if (!ms_dfs_link) {
4014                                 DEBUG(3,("call_trans2qfilepathinfo: SMB_VFS_STAT of %s failed (%s)\n",fname,strerror(errno)));
4015                                 reply_unixerror(req, ERRDOS, ERRbadpath);
4016                                 return;
4017                         }
4018                 }
4019
4020                 fileid = vfs_file_id_from_sbuf(conn, &sbuf);
4021                 get_file_infos(fileid, &delete_pending, &write_time_ts);
4022                 if (delete_pending) {
4023                         reply_nterror(req, NT_STATUS_DELETE_PENDING);
4024                         return;
4025                 }
4026         }
4027
4028         if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
4029                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
4030                 return;
4031         }
4032
4033         DEBUG(3,("call_trans2qfilepathinfo %s (fnum = %d) level=%d call=%d total_data=%d\n",
4034                 fname,fsp ? fsp->fnum : -1, info_level,tran_call,total_data));
4035
4036         p = strrchr_m(fname,'/');
4037         if (!p)
4038                 base_name = fname;
4039         else
4040                 base_name = p+1;
4041
4042         if (ms_dfs_link) {
4043                 mode = dos_mode_msdfs(conn,fname,&sbuf);
4044         } else {
4045                 mode = dos_mode(conn,fname,&sbuf);
4046         }
4047         if (!mode)
4048                 mode = FILE_ATTRIBUTE_NORMAL;
4049
4050         nlink = sbuf.st_nlink;
4051
4052         if (nlink && (mode&aDIR)) {
4053                 nlink = 1;
4054         }
4055
4056         if ((nlink > 0) && delete_pending) {
4057                 nlink -= 1;
4058         }
4059
4060         fullpathname = fname;
4061         if (!(mode & aDIR))
4062                 file_size = get_file_size(sbuf);
4063
4064         /* Pull out any data sent here before we realloc. */
4065         switch (info_level) {
4066                 case SMB_INFO_QUERY_EAS_FROM_LIST:
4067                 {
4068                         /* Pull any EA list from the data portion. */
4069                         uint32 ea_size;
4070
4071                         if (total_data < 4) {
4072                                 reply_nterror(
4073                                         req, NT_STATUS_INVALID_PARAMETER);
4074                                 return;
4075                         }
4076                         ea_size = IVAL(pdata,0);
4077
4078                         if (total_data > 0 && ea_size != total_data) {
4079                                 DEBUG(4,("call_trans2qfilepathinfo: Rejecting EA request with incorrect \
4080 total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
4081                                 reply_nterror(
4082                                         req, NT_STATUS_INVALID_PARAMETER);
4083                                 return;
4084                         }
4085
4086                         if (!lp_ea_support(SNUM(conn))) {
4087                                 reply_doserror(req, ERRDOS,
4088                                                ERReasnotsupported);
4089                                 return;
4090                         }
4091
4092                         /* Pull out the list of names. */
4093                         ea_list = read_ea_name_list(ctx, pdata + 4, ea_size - 4);
4094                         if (!ea_list) {
4095                                 reply_nterror(
4096                                         req, NT_STATUS_INVALID_PARAMETER);
4097                                 return;
4098                         }
4099                         break;
4100                 }
4101
4102                 case SMB_QUERY_POSIX_LOCK:
4103                 {
4104                         if (fsp == NULL || fsp->fh->fd == -1) {
4105                                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
4106                                 return;
4107                         }
4108
4109                         if (total_data != POSIX_LOCK_DATA_SIZE) {
4110                                 reply_nterror(
4111                                         req, NT_STATUS_INVALID_PARAMETER);
4112                                 return;
4113                         }
4114
4115                         /* Copy the lock range data. */
4116                         lock_data = (char *)TALLOC_MEMDUP(
4117                                 ctx, pdata, total_data);
4118                         if (!lock_data) {
4119                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
4120                                 return;
4121                         }
4122                 }
4123                 default:
4124                         break;
4125         }
4126
4127         *pparams = (char *)SMB_REALLOC(*pparams,2);
4128         if (*pparams == NULL) {
4129                 reply_nterror(req, NT_STATUS_NO_MEMORY);
4130                 return;
4131         }
4132         params = *pparams;
4133         SSVAL(params,0,0);
4134         data_size = max_data_bytes + DIR_ENTRY_SAFETY_MARGIN;
4135         *ppdata = (char *)SMB_REALLOC(*ppdata, data_size);
4136         if (*ppdata == NULL ) {
4137                 reply_nterror(req, NT_STATUS_NO_MEMORY);
4138                 return;
4139         }
4140         pdata = *ppdata;
4141         dstart = pdata;
4142         dend = dstart + data_size - 1;
4143
4144         create_time_ts = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
4145         mtime_ts = get_mtimespec(&sbuf);
4146         atime_ts = get_atimespec(&sbuf);
4147
4148         allocation_size = get_allocation_size(conn,fsp,&sbuf);
4149
4150         if (!fsp) {
4151                 /* Do we have this path open ? */
4152                 files_struct *fsp1;
4153                 fileid = vfs_file_id_from_sbuf(conn, &sbuf);
4154                 fsp1 = file_find_di_first(fileid);
4155                 if (fsp1 && fsp1->initial_allocation_size) {
4156                         allocation_size = get_allocation_size(conn, fsp1, &sbuf);
4157                 }
4158         }
4159
4160         if (!null_timespec(write_time_ts) && !INFO_LEVEL_IS_UNIX(info_level)) {
4161                 mtime_ts = write_time_ts;
4162         }
4163
4164         if (lp_dos_filetime_resolution(SNUM(conn))) {
4165                 dos_filetime_timespec(&create_time_ts);
4166                 dos_filetime_timespec(&mtime_ts);
4167                 dos_filetime_timespec(&atime_ts);
4168         }
4169
4170         create_time = convert_timespec_to_time_t(create_time_ts);
4171         mtime = convert_timespec_to_time_t(mtime_ts);
4172         atime = convert_timespec_to_time_t(atime_ts);
4173
4174         /* NT expects the name to be in an exact form of the *full*
4175            filename. See the trans2 torture test */
4176         if (ISDOT(base_name)) {
4177                 dos_fname = talloc_strdup(ctx, "\\");
4178                 if (!dos_fname) {
4179                         reply_nterror(req, NT_STATUS_NO_MEMORY);
4180                         return;
4181                 }
4182         } else {
4183                 dos_fname = talloc_asprintf(ctx,
4184                                 "\\%s",
4185                                 fname);
4186                 if (!dos_fname) {
4187                         reply_nterror(req, NT_STATUS_NO_MEMORY);
4188                         return;
4189                 }
4190                 string_replace(dos_fname, '/', '\\');
4191         }
4192
4193         switch (info_level) {
4194                 case SMB_INFO_STANDARD:
4195                         DEBUG(10,("call_trans2qfilepathinfo: SMB_INFO_STANDARD\n"));
4196                         data_size = 22;
4197                         srv_put_dos_date2(pdata,l1_fdateCreation,create_time);
4198                         srv_put_dos_date2(pdata,l1_fdateLastAccess,atime);
4199                         srv_put_dos_date2(pdata,l1_fdateLastWrite,mtime); /* write time */
4200                         SIVAL(pdata,l1_cbFile,(uint32)file_size);
4201                         SIVAL(pdata,l1_cbFileAlloc,(uint32)allocation_size);
4202                         SSVAL(pdata,l1_attrFile,mode);
4203                         break;
4204
4205                 case SMB_INFO_QUERY_EA_SIZE:
4206                 {
4207                         unsigned int ea_size = estimate_ea_size(conn, fsp, fname);
4208                         DEBUG(10,("call_trans2qfilepathinfo: SMB_INFO_QUERY_EA_SIZE\n"));
4209                         data_size = 26;
4210                         srv_put_dos_date2(pdata,0,create_time);
4211                         srv_put_dos_date2(pdata,4,atime);
4212                         srv_put_dos_date2(pdata,8,mtime); /* write time */
4213                         SIVAL(pdata,12,(uint32)file_size);
4214                         SIVAL(pdata,16,(uint32)allocation_size);
4215                         SSVAL(pdata,20,mode);
4216                         SIVAL(pdata,22,ea_size);
4217                         break;
4218                 }
4219
4220                 case SMB_INFO_IS_NAME_VALID:
4221                         DEBUG(10,("call_trans2qfilepathinfo: SMB_INFO_IS_NAME_VALID\n"));
4222                         if (tran_call == TRANSACT2_QFILEINFO) {
4223                                 /* os/2 needs this ? really ?*/
4224                                 reply_doserror(req, ERRDOS, ERRbadfunc);
4225                                 return;
4226                         }
4227                         data_size = 0;
4228                         param_size = 0;
4229                         break;
4230
4231                 case SMB_INFO_QUERY_EAS_FROM_LIST:
4232                 {
4233                         size_t total_ea_len = 0;
4234                         struct ea_list *ea_file_list = NULL;
4235
4236                         DEBUG(10,("call_trans2qfilepathinfo: SMB_INFO_QUERY_EAS_FROM_LIST\n"));
4237
4238                         ea_file_list = get_ea_list_from_file(ctx, conn, fsp, fname, &total_ea_len);
4239                         ea_list = ea_list_union(ea_list, ea_file_list, &total_ea_len);
4240
4241                         if (!ea_list || (total_ea_len > data_size)) {
4242                                 data_size = 4;
4243                                 SIVAL(pdata,0,4);   /* EA List Length must be set to 4 if no EA's. */
4244                                 break;
4245                         }
4246
4247                         data_size = fill_ea_buffer(ctx, pdata, data_size, conn, ea_list);
4248                         break;
4249                 }
4250
4251                 case SMB_INFO_QUERY_ALL_EAS:
4252                 {
4253                         /* We have data_size bytes to put EA's into. */
4254                         size_t total_ea_len = 0;
4255
4256                         DEBUG(10,("call_trans2qfilepathinfo: SMB_INFO_QUERY_ALL_EAS\n"));
4257
4258                         ea_list = get_ea_list_from_file(ctx, conn, fsp, fname, &total_ea_len);
4259                         if (!ea_list || (total_ea_len > data_size)) {
4260                                 data_size = 4;
4261                                 SIVAL(pdata,0,4);   /* EA List Length must be set to 4 if no EA's. */
4262                                 break;
4263                         }
4264
4265                         data_size = fill_ea_buffer(ctx, pdata, data_size, conn, ea_list);
4266                         break;
4267                 }
4268
4269                 case SMB_FILE_BASIC_INFORMATION:
4270                 case SMB_QUERY_FILE_BASIC_INFO:
4271
4272                         if (info_level == SMB_QUERY_FILE_BASIC_INFO) {
4273                                 DEBUG(10,("call_trans2qfilepathinfo: SMB_QUERY_FILE_BASIC_INFO\n"));
4274                                 data_size = 36; /* w95 returns 40 bytes not 36 - why ?. */
4275                         } else {
4276                                 DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_BASIC_INFORMATION\n"));
4277                                 data_size = 40;
4278                                 SIVAL(pdata,36,0);
4279                         }
4280                         put_long_date_timespec(pdata,create_time_ts);
4281                         put_long_date_timespec(pdata+8,atime_ts);
4282                         put_long_date_timespec(pdata+16,mtime_ts); /* write time */
4283                         put_long_date_timespec(pdata+24,mtime_ts); /* change time */
4284                         SIVAL(pdata,32,mode);
4285
4286                         DEBUG(5,("SMB_QFBI - "));
4287                         DEBUG(5,("create: %s ", ctime(&create_time)));
4288                         DEBUG(5,("access: %s ", ctime(&atime)));
4289                         DEBUG(5,("write: %s ", ctime(&mtime)));
4290                         DEBUG(5,("change: %s ", ctime(&mtime)));
4291                         DEBUG(5,("mode: %x\n", mode));
4292                         break;
4293
4294                 case SMB_FILE_STANDARD_INFORMATION:
4295                 case SMB_QUERY_FILE_STANDARD_INFO:
4296
4297                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_STANDARD_INFORMATION\n"));
4298                         data_size = 24;
4299                         SOFF_T(pdata,0,allocation_size);
4300                         SOFF_T(pdata,8,file_size);
4301                         SIVAL(pdata,16,nlink);
4302                         SCVAL(pdata,20,delete_pending?1:0);
4303                         SCVAL(pdata,21,(mode&aDIR)?1:0);
4304                         SSVAL(pdata,22,0); /* Padding. */
4305                         break;
4306
4307                 case SMB_FILE_EA_INFORMATION:
4308                 case SMB_QUERY_FILE_EA_INFO:
4309                 {
4310                         unsigned int ea_size = estimate_ea_size(conn, fsp, fname);
4311                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_EA_INFORMATION\n"));
4312                         data_size = 4;
4313                         SIVAL(pdata,0,ea_size);
4314                         break;
4315                 }
4316
4317                 /* Get the 8.3 name - used if NT SMB was negotiated. */
4318                 case SMB_QUERY_FILE_ALT_NAME_INFO:
4319                 case SMB_FILE_ALTERNATE_NAME_INFORMATION:
4320                 {
4321                         char mangled_name[13];
4322                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ALTERNATE_NAME_INFORMATION\n"));
4323                         if (!name_to_8_3(base_name,mangled_name,
4324                                                 True,conn->params)) {
4325                                 reply_nterror(
4326                                         req,
4327                                         NT_STATUS_NO_MEMORY);
4328                         }
4329                         len = srvstr_push(dstart, req->flags2,
4330                                           pdata+4, mangled_name,
4331                                           PTR_DIFF(dend, pdata+4),
4332                                           STR_UNICODE);
4333                         data_size = 4 + len;
4334                         SIVAL(pdata,0,len);
4335                         break;
4336                 }
4337
4338                 case SMB_QUERY_FILE_NAME_INFO:
4339                         /*
4340                           this must be *exactly* right for ACLs on mapped drives to work
4341                          */
4342                         len = srvstr_push(dstart, req->flags2,
4343                                           pdata+4, dos_fname,
4344                                           PTR_DIFF(dend, pdata+4),
4345                                           STR_UNICODE);
4346                         DEBUG(10,("call_trans2qfilepathinfo: SMB_QUERY_FILE_NAME_INFO\n"));
4347                         data_size = 4 + len;
4348                         SIVAL(pdata,0,len);
4349                         break;
4350
4351                 case SMB_FILE_ALLOCATION_INFORMATION:
4352                 case SMB_QUERY_FILE_ALLOCATION_INFO:
4353                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ALLOCATION_INFORMATION\n"));
4354                         data_size = 8;
4355                         SOFF_T(pdata,0,allocation_size);
4356                         break;
4357
4358                 case SMB_FILE_END_OF_FILE_INFORMATION:
4359                 case SMB_QUERY_FILE_END_OF_FILEINFO:
4360                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_END_OF_FILE_INFORMATION\n"));
4361                         data_size = 8;
4362                         SOFF_T(pdata,0,file_size);
4363                         break;
4364
4365                 case SMB_QUERY_FILE_ALL_INFO:
4366                 case SMB_FILE_ALL_INFORMATION:
4367                 {
4368                         unsigned int ea_size = estimate_ea_size(conn, fsp, fname);
4369                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ALL_INFORMATION\n"));
4370                         put_long_date_timespec(pdata,create_time_ts);
4371                         put_long_date_timespec(pdata+8,atime_ts);
4372                         put_long_date_timespec(pdata+16,mtime_ts); /* write time */
4373                         put_long_date_timespec(pdata+24,mtime_ts); /* change time */
4374                         SIVAL(pdata,32,mode);
4375                         SIVAL(pdata,36,0); /* padding. */
4376                         pdata += 40;
4377                         SOFF_T(pdata,0,allocation_size);
4378                         SOFF_T(pdata,8,file_size);
4379                         SIVAL(pdata,16,nlink);
4380                         SCVAL(pdata,20,delete_pending);
4381                         SCVAL(pdata,21,(mode&aDIR)?1:0);
4382                         SSVAL(pdata,22,0);
4383                         pdata += 24;
4384                         SIVAL(pdata,0,ea_size);
4385                         pdata += 4; /* EA info */
4386                         len = srvstr_push(dstart, req->flags2,
4387                                           pdata+4, dos_fname,
4388                                           PTR_DIFF(dend, pdata+4),
4389                                           STR_UNICODE);
4390                         SIVAL(pdata,0,len);
4391                         pdata += 4 + len;
4392                         data_size = PTR_DIFF(pdata,(*ppdata));
4393                         break;
4394                 }
4395                 case SMB_FILE_INTERNAL_INFORMATION:
4396                         /* This should be an index number - looks like
4397                            dev/ino to me :-)
4398
4399                            I think this causes us to fail the IFSKIT
4400                            BasicFileInformationTest. -tpot */
4401
4402                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_INTERNAL_INFORMATION\n"));
4403                         SIVAL(pdata,0,sbuf.st_ino); /* FileIndexLow */
4404                         SIVAL(pdata,4,sbuf.st_dev); /* FileIndexHigh */
4405                         data_size = 8;
4406                         break;
4407
4408                 case SMB_FILE_ACCESS_INFORMATION:
4409                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ACCESS_INFORMATION\n"));
4410                         if (fsp) {
4411                                 SIVAL(pdata,0,fsp->access_mask);
4412                         } else {
4413                                 /* GENERIC_EXECUTE mapping from Windows */
4414                                 SIVAL(pdata,0,0x12019F);
4415                         }
4416                         data_size = 4;
4417                         break;
4418
4419                 case SMB_FILE_NAME_INFORMATION:
4420                         /* Pathname with leading '\'. */
4421                         {
4422                                 size_t byte_len;
4423                                 byte_len = dos_PutUniCode(pdata+4,dos_fname,(size_t)max_data_bytes,False);
4424                                 DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_NAME_INFORMATION\n"));
4425                                 SIVAL(pdata,0,byte_len);
4426                                 data_size = 4 + byte_len;
4427                                 break;
4428                         }
4429
4430                 case SMB_FILE_DISPOSITION_INFORMATION:
4431                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_DISPOSITION_INFORMATION\n"));
4432                         data_size = 1;
4433                         SCVAL(pdata,0,delete_pending);
4434                         break;
4435
4436                 case SMB_FILE_POSITION_INFORMATION:
4437                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_POSITION_INFORMATION\n"));
4438                         data_size = 8;
4439                         SOFF_T(pdata,0,pos);
4440                         break;
4441
4442                 case SMB_FILE_MODE_INFORMATION:
4443                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_MODE_INFORMATION\n"));
4444                         SIVAL(pdata,0,mode);
4445                         data_size = 4;
4446                         break;
4447
4448                 case SMB_FILE_ALIGNMENT_INFORMATION:
4449                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ALIGNMENT_INFORMATION\n"));
4450                         SIVAL(pdata,0,0); /* No alignment needed. */
4451                         data_size = 4;
4452                         break;
4453
4454                 /*
4455                  * NT4 server just returns "invalid query" to this - if we try
4456                  * to answer it then NTws gets a BSOD! (tridge).  W2K seems to
4457                  * want this. JRA.
4458                  */
4459                 /* The first statement above is false - verified using Thursby
4460                  * client against NT4 -- gcolley.
4461                  */
4462                 case SMB_QUERY_FILE_STREAM_INFO:
4463                 case SMB_FILE_STREAM_INFORMATION: {
4464                         unsigned int num_streams;
4465                         struct stream_struct *streams;
4466                         NTSTATUS status;
4467
4468                         DEBUG(10,("call_trans2qfilepathinfo: "
4469                                   "SMB_FILE_STREAM_INFORMATION\n"));
4470
4471                         status = SMB_VFS_STREAMINFO(
4472                                 conn, fsp, fname, talloc_tos(),
4473                                 &num_streams, &streams);
4474
4475                         if (!NT_STATUS_IS_OK(status)) {
4476                                 DEBUG(10, ("could not get stream info: %s\n",
4477                                            nt_errstr(status)));
4478                                 reply_nterror(req, status);
4479                                 return;
4480                         }
4481
4482                         status = marshall_stream_info(num_streams, streams,
4483                                                       pdata, max_data_bytes,
4484                                                       &data_size);
4485
4486                         if (!NT_STATUS_IS_OK(status)) {
4487                                 DEBUG(10, ("marshall_stream_info failed: %s\n",
4488                                            nt_errstr(status)));
4489                                 reply_nterror(req, status);
4490                                 return;
4491                         }
4492
4493                         TALLOC_FREE(streams);
4494
4495                         break;
4496                 }
4497                 case SMB_QUERY_COMPRESSION_INFO:
4498                 case SMB_FILE_COMPRESSION_INFORMATION:
4499                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_COMPRESSION_INFORMATION\n"));
4500                         SOFF_T(pdata,0,file_size);
4501                         SIVAL(pdata,8,0); /* ??? */
4502                         SIVAL(pdata,12,0); /* ??? */
4503                         data_size = 16;
4504                         break;
4505
4506                 case SMB_FILE_NETWORK_OPEN_INFORMATION:
4507                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_NETWORK_OPEN_INFORMATION\n"));
4508                         put_long_date_timespec(pdata,create_time_ts);
4509                         put_long_date_timespec(pdata+8,atime_ts);
4510                         put_long_date_timespec(pdata+16,mtime_ts); /* write time */
4511                         put_long_date_timespec(pdata+24,mtime_ts); /* change time */
4512                         SOFF_T(pdata,32,allocation_size);
4513                         SOFF_T(pdata,40,file_size);
4514                         SIVAL(pdata,48,mode);
4515                         SIVAL(pdata,52,0); /* ??? */
4516                         data_size = 56;
4517                         break;
4518
4519                 case SMB_FILE_ATTRIBUTE_TAG_INFORMATION:
4520                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ATTRIBUTE_TAG_INFORMATION\n"));
4521                         SIVAL(pdata,0,mode);
4522                         SIVAL(pdata,4,0);
4523                         data_size = 8;
4524                         break;
4525
4526                 /*
4527                  * CIFS UNIX Extensions.
4528                  */
4529
4530                 case SMB_QUERY_FILE_UNIX_BASIC:
4531
4532                         pdata = store_file_unix_basic(conn, pdata, fsp, &sbuf);
4533                         data_size = PTR_DIFF(pdata,(*ppdata));
4534
4535                         {
4536                                 int i;
4537                                 DEBUG(4,("call_trans2qfilepathinfo: SMB_QUERY_FILE_UNIX_BASIC "));
4538
4539                                 for (i=0; i<100; i++)
4540                                         DEBUG(4,("%d=%x, ",i, (*ppdata)[i]));
4541                                 DEBUG(4,("\n"));
4542                         }
4543
4544                         break;
4545
4546                 case SMB_QUERY_FILE_UNIX_INFO2:
4547
4548                         pdata = store_file_unix_basic_info2(conn, pdata, fsp, &sbuf);
4549                         data_size = PTR_DIFF(pdata,(*ppdata));
4550
4551                         {
4552                                 int i;
4553                                 DEBUG(4,("call_trans2qfilepathinfo: SMB_QUERY_FILE_UNIX_INFO2 "));
4554
4555                                 for (i=0; i<100; i++)
4556                                         DEBUG(4,("%d=%x, ",i, (*ppdata)[i]));
4557                                 DEBUG(4,("\n"));
4558                         }
4559
4560                         break;
4561
4562                 case SMB_QUERY_FILE_UNIX_LINK:
4563                         {
4564                                 char *buffer = TALLOC_ARRAY(ctx, char, PATH_MAX+1);
4565
4566                                 if (!buffer) {
4567                                         reply_nterror(req, NT_STATUS_NO_MEMORY);
4568                                         return;
4569                                 }
4570
4571                                 DEBUG(10,("call_trans2qfilepathinfo: SMB_QUERY_FILE_UNIX_LINK\n"));
4572 #ifdef S_ISLNK
4573                                 if(!S_ISLNK(sbuf.st_mode)) {
4574                                         reply_unixerror(req, ERRSRV,
4575                                                         ERRbadlink);
4576                                         return;
4577                                 }
4578 #else
4579                                 reply_unixerror(req, ERRDOS, ERRbadlink);
4580                                 return;
4581 #endif
4582                                 len = SMB_VFS_READLINK(conn,fullpathname,
4583                                                 buffer, PATH_MAX);
4584                                 if (len == -1) {
4585                                         reply_unixerror(req, ERRDOS,
4586                                                         ERRnoaccess);
4587                                         return;
4588                                 }
4589                                 buffer[len] = 0;
4590                                 len = srvstr_push(dstart, req->flags2,
4591                                                   pdata, buffer,
4592                                                   PTR_DIFF(dend, pdata),
4593                                                   STR_TERMINATE);
4594                                 pdata += len;
4595                                 data_size = PTR_DIFF(pdata,(*ppdata));
4596
4597                                 break;
4598                         }
4599
4600 #if defined(HAVE_POSIX_ACLS)
4601                 case SMB_QUERY_POSIX_ACL:
4602                         {
4603                                 SMB_ACL_T file_acl = NULL;
4604                                 SMB_ACL_T def_acl = NULL;
4605                                 uint16 num_file_acls = 0;
4606                                 uint16 num_def_acls = 0;
4607
4608                                 if (fsp && !fsp->is_directory && (fsp->fh->fd != -1)) {
4609                                         file_acl = SMB_VFS_SYS_ACL_GET_FD(fsp);
4610                                 } else {
4611                                         file_acl = SMB_VFS_SYS_ACL_GET_FILE(conn, fname, SMB_ACL_TYPE_ACCESS);
4612                                 }
4613
4614                                 if (file_acl == NULL && no_acl_syscall_error(errno)) {
4615                                         DEBUG(5,("call_trans2qfilepathinfo: ACLs not implemented on filesystem containing %s\n",
4616                                                 fname ));
4617                                         reply_nterror(
4618                                                 req,
4619                                                 NT_STATUS_NOT_IMPLEMENTED);
4620                                         return;
4621                                 }
4622
4623                                 if (S_ISDIR(sbuf.st_mode)) {
4624                                         if (fsp && fsp->is_directory) {
4625                                                 def_acl = SMB_VFS_SYS_ACL_GET_FILE(conn, fsp->fsp_name, SMB_ACL_TYPE_DEFAULT);
4626                                         } else {
4627                                                 def_acl = SMB_VFS_SYS_ACL_GET_FILE(conn, fname, SMB_ACL_TYPE_DEFAULT);
4628                                         }
4629                                         def_acl = free_empty_sys_acl(conn, def_acl);
4630                                 }
4631
4632                                 num_file_acls = count_acl_entries(conn, file_acl);
4633                                 num_def_acls = count_acl_entries(conn, def_acl);
4634
4635                                 if ( data_size < (num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE + SMB_POSIX_ACL_HEADER_SIZE) {
4636                                         DEBUG(5,("call_trans2qfilepathinfo: data_size too small (%u) need %u\n",
4637                                                 data_size,
4638                                                 (unsigned int)((num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE +
4639                                                         SMB_POSIX_ACL_HEADER_SIZE) ));
4640                                         if (file_acl) {
4641                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4642                                         }
4643                                         if (def_acl) {
4644                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4645                                         }
4646                                         reply_nterror(
4647                                                 req,
4648                                                 NT_STATUS_BUFFER_TOO_SMALL);
4649                                         return;
4650                                 }
4651
4652                                 SSVAL(pdata,0,SMB_POSIX_ACL_VERSION);
4653                                 SSVAL(pdata,2,num_file_acls);
4654                                 SSVAL(pdata,4,num_def_acls);
4655                                 if (!marshall_posix_acl(conn, pdata + SMB_POSIX_ACL_HEADER_SIZE, &sbuf, file_acl)) {
4656                                         if (file_acl) {
4657                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4658                                         }
4659                                         if (def_acl) {
4660                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4661                                         }
4662                                         reply_nterror(
4663                                                 req, NT_STATUS_INTERNAL_ERROR);
4664                                         return;
4665                                 }
4666                                 if (!marshall_posix_acl(conn, pdata + SMB_POSIX_ACL_HEADER_SIZE + (num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE), &sbuf, def_acl)) {
4667                                         if (file_acl) {
4668                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4669                                         }
4670                                         if (def_acl) {
4671                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4672                                         }
4673                                         reply_nterror(
4674                                                 req,
4675                                                 NT_STATUS_INTERNAL_ERROR);
4676                                         return;
4677                                 }
4678
4679                                 if (file_acl) {
4680                                         SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4681                                 }
4682                                 if (def_acl) {
4683                                         SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4684                                 }
4685                                 data_size = (num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE + SMB_POSIX_ACL_HEADER_SIZE;
4686                                 break;
4687                         }
4688 #endif
4689
4690
4691                 case SMB_QUERY_POSIX_LOCK:
4692                 {
4693                         NTSTATUS status = NT_STATUS_INVALID_LEVEL;
4694                         uint64_t count;
4695                         uint64_t offset;
4696                         uint32 lock_pid;
4697                         enum brl_type lock_type;
4698
4699                         if (total_data != POSIX_LOCK_DATA_SIZE) {
4700                                 reply_nterror(
4701                                         req, NT_STATUS_INVALID_PARAMETER);
4702                                 return;
4703                         }
4704
4705                         switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) {
4706                                 case POSIX_LOCK_TYPE_READ:
4707                                         lock_type = READ_LOCK;
4708                                         break;
4709                                 case POSIX_LOCK_TYPE_WRITE:
4710                                         lock_type = WRITE_LOCK;
4711                                         break;
4712                                 case POSIX_LOCK_TYPE_UNLOCK:
4713                                 default:
4714                                         /* There's no point in asking for an unlock... */
4715                                         reply_nterror(
4716                                                 req,
4717                                                 NT_STATUS_INVALID_PARAMETER);
4718                                         return;
4719                         }
4720
4721                         lock_pid = IVAL(pdata, POSIX_LOCK_PID_OFFSET);
4722 #if defined(HAVE_LONGLONG)
4723                         offset = (((uint64_t) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) |
4724                                         ((uint64_t) IVAL(pdata,POSIX_LOCK_START_OFFSET));
4725                         count = (((uint64_t) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) |
4726                                         ((uint64_t) IVAL(pdata,POSIX_LOCK_LEN_OFFSET));
4727 #else /* HAVE_LONGLONG */
4728                         offset = (uint64_t)IVAL(pdata,POSIX_LOCK_START_OFFSET);
4729                         count = (uint64_t)IVAL(pdata,POSIX_LOCK_LEN_OFFSET);
4730 #endif /* HAVE_LONGLONG */
4731
4732                         status = query_lock(fsp,
4733                                         &lock_pid,
4734                                         &count,
4735                                         &offset,
4736                                         &lock_type,
4737                                         POSIX_LOCK);
4738
4739                         if (ERROR_WAS_LOCK_DENIED(status)) {
4740                                 /* Here we need to report who has it locked... */
4741                                 data_size = POSIX_LOCK_DATA_SIZE;
4742
4743                                 SSVAL(pdata, POSIX_LOCK_TYPE_OFFSET, lock_type);
4744                                 SSVAL(pdata, POSIX_LOCK_FLAGS_OFFSET, 0);
4745                                 SIVAL(pdata, POSIX_LOCK_PID_OFFSET, lock_pid);
4746 #if defined(HAVE_LONGLONG)
4747                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET, (uint32)(offset & 0xFFFFFFFF));
4748                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET + 4, (uint32)((offset >> 32) & 0xFFFFFFFF));
4749                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET, (uint32)(count & 0xFFFFFFFF));
4750                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET + 4, (uint32)((count >> 32) & 0xFFFFFFFF));
4751 #else /* HAVE_LONGLONG */
4752                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET, offset);
4753                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET, count);
4754 #endif /* HAVE_LONGLONG */
4755
4756                         } else if (NT_STATUS_IS_OK(status)) {
4757                                 /* For success we just return a copy of what we sent
4758                                    with the lock type set to POSIX_LOCK_TYPE_UNLOCK. */
4759                                 data_size = POSIX_LOCK_DATA_SIZE;
4760                                 memcpy(pdata, lock_data, POSIX_LOCK_DATA_SIZE);
4761                                 SSVAL(pdata, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_UNLOCK);
4762                         } else {
4763                                 reply_nterror(req, status);
4764                                 return;
4765                         }
4766                         break;
4767                 }
4768
4769                 default:
4770                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
4771                         return;
4772         }
4773
4774         send_trans2_replies(conn, req, params, param_size, *ppdata, data_size,
4775                             max_data_bytes);
4776
4777         return;
4778 }
4779
4780 /****************************************************************************
4781  Set a hard link (called by UNIX extensions and by NT rename with HARD link
4782  code.
4783 ****************************************************************************/
4784
4785 NTSTATUS hardlink_internals(TALLOC_CTX *ctx,
4786                 connection_struct *conn,
4787                 const char *oldname_in,
4788                 const char *newname_in)
4789 {
4790         SMB_STRUCT_STAT sbuf1, sbuf2;
4791         char *last_component_oldname = NULL;
4792         char *last_component_newname = NULL;
4793         char *oldname = NULL;
4794         char *newname = NULL;
4795         NTSTATUS status = NT_STATUS_OK;
4796
4797         ZERO_STRUCT(sbuf1);
4798         ZERO_STRUCT(sbuf2);
4799
4800         status = unix_convert(ctx, conn, oldname_in, False, &oldname,
4801                         &last_component_oldname, &sbuf1);
4802         if (!NT_STATUS_IS_OK(status)) {
4803                 return status;
4804         }
4805
4806         status = check_name(conn, oldname);
4807         if (!NT_STATUS_IS_OK(status)) {
4808                 return status;
4809         }
4810
4811         /* source must already exist. */
4812         if (!VALID_STAT(sbuf1)) {
4813                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4814         }
4815
4816         status = unix_convert(ctx, conn, newname_in, False, &newname,
4817                         &last_component_newname, &sbuf2);
4818         if (!NT_STATUS_IS_OK(status)) {
4819                 return status;
4820         }
4821
4822         status = check_name(conn, newname);
4823         if (!NT_STATUS_IS_OK(status)) {
4824                 return status;
4825         }
4826
4827         /* Disallow if newname already exists. */
4828         if (VALID_STAT(sbuf2)) {
4829                 return NT_STATUS_OBJECT_NAME_COLLISION;
4830         }
4831
4832         /* No links from a directory. */
4833         if (S_ISDIR(sbuf1.st_mode)) {
4834                 return NT_STATUS_FILE_IS_A_DIRECTORY;
4835         }
4836
4837         /* Ensure this is within the share. */
4838         status = check_reduced_name(conn, oldname);
4839         if (!NT_STATUS_IS_OK(status)) {
4840                 return status;
4841         }
4842
4843         DEBUG(10,("hardlink_internals: doing hard link %s -> %s\n", newname, oldname ));
4844
4845         if (SMB_VFS_LINK(conn,oldname,newname) != 0) {
4846                 status = map_nt_error_from_unix(errno);
4847                 DEBUG(3,("hardlink_internals: Error %s hard link %s -> %s\n",
4848                                 nt_errstr(status), newname, oldname));
4849         }
4850
4851         return status;
4852 }
4853
4854 /****************************************************************************
4855  Deal with setting the time from any of the setfilepathinfo functions.
4856 ****************************************************************************/
4857
4858 NTSTATUS smb_set_file_time(connection_struct *conn,
4859                            files_struct *fsp,
4860                            const char *fname,
4861                            const SMB_STRUCT_STAT *psbuf,
4862                            struct timespec ts[2],
4863                            bool setting_write_time)
4864 {
4865         uint32 action =
4866                 FILE_NOTIFY_CHANGE_LAST_ACCESS
4867                 |FILE_NOTIFY_CHANGE_LAST_WRITE;
4868
4869         if (!VALID_STAT(*psbuf)) {
4870                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4871         }
4872
4873         /* get some defaults (no modifications) if any info is zero or -1. */
4874         if (null_timespec(ts[0])) {
4875                 ts[0] = get_atimespec(psbuf);
4876                 action &= ~FILE_NOTIFY_CHANGE_LAST_ACCESS;
4877         }
4878
4879         if (null_timespec(ts[1])) {
4880                 ts[1] = get_mtimespec(psbuf);
4881                 action &= ~FILE_NOTIFY_CHANGE_LAST_WRITE;
4882         }
4883
4884         if (!setting_write_time) {
4885                 /* ts[1] comes from change time, not write time. */
4886                 action &= ~FILE_NOTIFY_CHANGE_LAST_WRITE;
4887         }
4888
4889         DEBUG(6,("smb_set_file_time: actime: %s " , time_to_asc(convert_timespec_to_time_t(ts[0])) ));
4890         DEBUG(6,("smb_set_file_time: modtime: %s ", time_to_asc(convert_timespec_to_time_t(ts[1])) ));
4891
4892         /*
4893          * Try and set the times of this file if
4894          * they are different from the current values.
4895          */
4896
4897         {
4898                 struct timespec mts = get_mtimespec(psbuf);
4899                 struct timespec ats = get_atimespec(psbuf);
4900                 if ((timespec_compare(&ts[0], &ats) == 0) && (timespec_compare(&ts[1], &mts) == 0)) {
4901                         return NT_STATUS_OK;
4902                 }
4903         }
4904
4905         if (setting_write_time) {
4906                 /*
4907                  * This was a setfileinfo on an open file.
4908                  * NT does this a lot. We also need to
4909                  * set the time here, as it can be read by
4910                  * FindFirst/FindNext and with the patch for bug #2045
4911                  * in smbd/fileio.c it ensures that this timestamp is
4912                  * kept sticky even after a write. We save the request
4913                  * away and will set it on file close and after a write. JRA.
4914                  */
4915
4916                 DEBUG(10,("smb_set_file_time: setting pending modtime to %s\n",
4917                           time_to_asc(convert_timespec_to_time_t(ts[1])) ));
4918
4919                 if (fsp != NULL) {
4920                         set_sticky_write_time_fsp(fsp, ts[1]);
4921                 } else {
4922                         set_sticky_write_time_path(conn, fname,
4923                                             vfs_file_id_from_sbuf(conn, psbuf),
4924                                             ts[1]);
4925                 }
4926         }
4927
4928         DEBUG(10,("smb_set_file_time: setting utimes to modified values.\n"));
4929
4930         if(file_ntimes(conn, fname, ts)!=0) {
4931                 return map_nt_error_from_unix(errno);
4932         }
4933         notify_fname(conn, NOTIFY_ACTION_MODIFIED, action, fname);
4934
4935         return NT_STATUS_OK;
4936 }
4937
4938 /****************************************************************************
4939  Deal with setting the dosmode from any of the setfilepathinfo functions.
4940 ****************************************************************************/
4941
4942 static NTSTATUS smb_set_file_dosmode(connection_struct *conn,
4943                                 const char *fname,
4944                                 SMB_STRUCT_STAT *psbuf,
4945                                 uint32 dosmode)
4946 {
4947         if (!VALID_STAT(*psbuf)) {
4948                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4949         }
4950
4951         if (dosmode) {
4952                 if (S_ISDIR(psbuf->st_mode)) {
4953                         dosmode |= aDIR;
4954                 } else {
4955                         dosmode &= ~aDIR;
4956                 }
4957         }
4958
4959         DEBUG(6,("smb_set_file_dosmode: dosmode: 0x%x\n", (unsigned int)dosmode));
4960
4961         /* check the mode isn't different, before changing it */
4962         if ((dosmode != 0) && (dosmode != dos_mode(conn, fname, psbuf))) {
4963
4964                 DEBUG(10,("smb_set_file_dosmode: file %s : setting dos mode 0x%x\n",
4965                                         fname, (unsigned int)dosmode ));
4966
4967                 if(file_set_dosmode(conn, fname, dosmode, psbuf, NULL, false)) {
4968                         DEBUG(2,("smb_set_file_dosmode: file_set_dosmode of %s failed (%s)\n",
4969                                                 fname, strerror(errno)));
4970                         return map_nt_error_from_unix(errno);
4971                 }
4972         }
4973         return NT_STATUS_OK;
4974 }
4975
4976 /****************************************************************************
4977  Deal with setting the size from any of the setfilepathinfo functions.
4978 ****************************************************************************/
4979
4980 static NTSTATUS smb_set_file_size(connection_struct *conn,
4981                                   struct smb_request *req,
4982                                 files_struct *fsp,
4983                                 const char *fname,
4984                                 SMB_STRUCT_STAT *psbuf,
4985                                 SMB_OFF_T size)
4986 {
4987         NTSTATUS status = NT_STATUS_OK;
4988         files_struct *new_fsp = NULL;
4989
4990         if (!VALID_STAT(*psbuf)) {
4991                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4992         }
4993
4994         DEBUG(6,("smb_set_file_size: size: %.0f ", (double)size));
4995
4996         if (size == get_file_size(*psbuf)) {
4997                 return NT_STATUS_OK;
4998         }
4999
5000         DEBUG(10,("smb_set_file_size: file %s : setting new size to %.0f\n",
5001                 fname, (double)size ));
5002
5003         if (fsp && fsp->fh->fd != -1) {
5004                 /* Handle based call. */
5005                 if (vfs_set_filelen(fsp, size) == -1) {
5006                         return map_nt_error_from_unix(errno);
5007                 }
5008                 trigger_write_time_update_immediate(fsp);
5009                 return NT_STATUS_OK;
5010         }
5011
5012         status = open_file_ntcreate(conn, req, fname, psbuf,
5013                                 FILE_WRITE_ATTRIBUTES,
5014                                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
5015                                 FILE_OPEN,
5016                                 0,
5017                                 FILE_ATTRIBUTE_NORMAL,
5018                                 FORCE_OPLOCK_BREAK_TO_NONE,
5019                                 NULL, &new_fsp);
5020
5021         if (!NT_STATUS_IS_OK(status)) {
5022                 /* NB. We check for open_was_deferred in the caller. */
5023                 return status;
5024         }
5025
5026         if (vfs_set_filelen(new_fsp, size) == -1) {
5027                 status = map_nt_error_from_unix(errno);
5028                 close_file(req, new_fsp,NORMAL_CLOSE);
5029                 return status;
5030         }
5031
5032         trigger_write_time_update_immediate(new_fsp);
5033         close_file(req, new_fsp,NORMAL_CLOSE);
5034         return NT_STATUS_OK;
5035 }
5036
5037 /****************************************************************************
5038  Deal with SMB_INFO_SET_EA.
5039 ****************************************************************************/
5040
5041 static NTSTATUS smb_info_set_ea(connection_struct *conn,
5042                                 const char *pdata,
5043                                 int total_data,
5044                                 files_struct *fsp,
5045                                 const char *fname)
5046 {
5047         struct ea_list *ea_list = NULL;
5048         TALLOC_CTX *ctx = NULL;
5049         NTSTATUS status = NT_STATUS_OK;
5050
5051         if (total_data < 10) {
5052
5053                 /* OS/2 workplace shell seems to send SET_EA requests of "null"
5054                    length. They seem to have no effect. Bug #3212. JRA */
5055
5056                 if ((total_data == 4) && (IVAL(pdata,0) == 4)) {
5057                         /* We're done. We only get EA info in this call. */
5058                         return NT_STATUS_OK;
5059                 }
5060
5061                 return NT_STATUS_INVALID_PARAMETER;
5062         }
5063
5064         if (IVAL(pdata,0) > total_data) {
5065                 DEBUG(10,("smb_info_set_ea: bad total data size (%u) > %u\n",
5066                         IVAL(pdata,0), (unsigned int)total_data));
5067                 return NT_STATUS_INVALID_PARAMETER;
5068         }
5069
5070         ctx = talloc_tos();
5071         ea_list = read_ea_list(ctx, pdata + 4, total_data - 4);
5072         if (!ea_list) {
5073                 return NT_STATUS_INVALID_PARAMETER;
5074         }
5075         status = set_ea(conn, fsp, fname, ea_list);
5076
5077         return status;
5078 }
5079
5080 /****************************************************************************
5081  Deal with SMB_SET_FILE_DISPOSITION_INFO.
5082 ****************************************************************************/
5083
5084 static NTSTATUS smb_set_file_disposition_info(connection_struct *conn,
5085                                 const char *pdata,
5086                                 int total_data,
5087                                 files_struct *fsp,
5088                                 const char *fname,
5089                                 SMB_STRUCT_STAT *psbuf)
5090 {
5091         NTSTATUS status = NT_STATUS_OK;
5092         bool delete_on_close;
5093         uint32 dosmode = 0;
5094
5095         if (total_data < 1) {
5096                 return NT_STATUS_INVALID_PARAMETER;
5097         }
5098
5099         if (fsp == NULL) {
5100                 return NT_STATUS_INVALID_HANDLE;
5101         }
5102
5103         delete_on_close = (CVAL(pdata,0) ? True : False);
5104         dosmode = dos_mode(conn, fname, psbuf);
5105
5106         DEBUG(10,("smb_set_file_disposition_info: file %s, dosmode = %u, "
5107                 "delete_on_close = %u\n",
5108                 fsp->fsp_name,
5109                 (unsigned int)dosmode,
5110                 (unsigned int)delete_on_close ));
5111
5112         status = can_set_delete_on_close(fsp, delete_on_close, dosmode);
5113
5114         if (!NT_STATUS_IS_OK(status)) {
5115                 return status;
5116         }
5117
5118         /* The set is across all open files on this dev/inode pair. */
5119         if (!set_delete_on_close(fsp, delete_on_close,
5120                                  &conn->server_info->utok)) {
5121                 return NT_STATUS_ACCESS_DENIED;
5122         }
5123         return NT_STATUS_OK;
5124 }
5125
5126 /****************************************************************************
5127  Deal with SMB_FILE_POSITION_INFORMATION.
5128 ****************************************************************************/
5129
5130 static NTSTATUS smb_file_position_information(connection_struct *conn,
5131                                 const char *pdata,
5132                                 int total_data,
5133                                 files_struct *fsp)
5134 {
5135         uint64_t position_information;
5136
5137         if (total_data < 8) {
5138                 return NT_STATUS_INVALID_PARAMETER;
5139         }
5140
5141         if (fsp == NULL) {
5142                 /* Ignore on pathname based set. */
5143                 return NT_STATUS_OK;
5144         }
5145
5146         position_information = (uint64_t)IVAL(pdata,0);
5147 #ifdef LARGE_SMB_OFF_T
5148         position_information |= (((uint64_t)IVAL(pdata,4)) << 32);
5149 #else /* LARGE_SMB_OFF_T */
5150         if (IVAL(pdata,4) != 0) {
5151                 /* more than 32 bits? */
5152                 return NT_STATUS_INVALID_PARAMETER;
5153         }
5154 #endif /* LARGE_SMB_OFF_T */
5155
5156         DEBUG(10,("smb_file_position_information: Set file position information for file %s to %.0f\n",
5157                 fsp->fsp_name, (double)position_information ));
5158         fsp->fh->position_information = position_information;
5159         return NT_STATUS_OK;
5160 }
5161
5162 /****************************************************************************
5163  Deal with SMB_FILE_MODE_INFORMATION.
5164 ****************************************************************************/
5165
5166 static NTSTATUS smb_file_mode_information(connection_struct *conn,
5167                                 const char *pdata,
5168                                 int total_data)
5169 {
5170         uint32 mode;
5171
5172         if (total_data < 4) {
5173                 return NT_STATUS_INVALID_PARAMETER;
5174         }
5175         mode = IVAL(pdata,0);
5176         if (mode != 0 && mode != 2 && mode != 4 && mode != 6) {
5177                 return NT_STATUS_INVALID_PARAMETER;
5178         }
5179         return NT_STATUS_OK;
5180 }
5181
5182 /****************************************************************************
5183  Deal with SMB_SET_FILE_UNIX_LINK (create a UNIX symlink).
5184 ****************************************************************************/
5185
5186 static NTSTATUS smb_set_file_unix_link(connection_struct *conn,
5187                                        struct smb_request *req,
5188                                        const char *pdata,
5189                                        int total_data,
5190                                        const char *fname)
5191 {
5192         char *link_target = NULL;
5193         const char *newname = fname;
5194         NTSTATUS status = NT_STATUS_OK;
5195         TALLOC_CTX *ctx = talloc_tos();
5196
5197         /* Set a symbolic link. */
5198         /* Don't allow this if follow links is false. */
5199
5200         if (total_data == 0) {
5201                 return NT_STATUS_INVALID_PARAMETER;
5202         }
5203
5204         if (!lp_symlinks(SNUM(conn))) {
5205                 return NT_STATUS_ACCESS_DENIED;
5206         }
5207
5208         srvstr_pull_talloc(ctx, pdata, req->flags2, &link_target, pdata,
5209                     total_data, STR_TERMINATE);
5210
5211         if (!link_target) {
5212                 return NT_STATUS_INVALID_PARAMETER;
5213         }
5214
5215         /* !widelinks forces the target path to be within the share. */
5216         /* This means we can interpret the target as a pathname. */
5217         if (!lp_widelinks(SNUM(conn))) {
5218                 char *rel_name = NULL;
5219                 char *last_dirp = NULL;
5220
5221                 if (*link_target == '/') {
5222                         /* No absolute paths allowed. */
5223                         return NT_STATUS_ACCESS_DENIED;
5224                 }
5225                 rel_name = talloc_strdup(ctx,newname);
5226                 if (!rel_name) {
5227                         return NT_STATUS_NO_MEMORY;
5228                 }
5229                 last_dirp = strrchr_m(rel_name, '/');
5230                 if (last_dirp) {
5231                         last_dirp[1] = '\0';
5232                 } else {
5233                         rel_name = talloc_strdup(ctx,"./");
5234                         if (!rel_name) {
5235                                 return NT_STATUS_NO_MEMORY;
5236                         }
5237                 }
5238                 rel_name = talloc_asprintf_append(rel_name,
5239                                 "%s",
5240                                 link_target);
5241                 if (!rel_name) {
5242                         return NT_STATUS_NO_MEMORY;
5243                 }
5244
5245                 status = check_name(conn, rel_name);
5246                 if (!NT_STATUS_IS_OK(status)) {
5247                         return status;
5248                 }
5249         }
5250
5251         DEBUG(10,("smb_set_file_unix_link: SMB_SET_FILE_UNIX_LINK doing symlink %s -> %s\n",
5252                         newname, link_target ));
5253
5254         if (SMB_VFS_SYMLINK(conn,link_target,newname) != 0) {
5255                 return map_nt_error_from_unix(errno);
5256         }
5257
5258         return NT_STATUS_OK;
5259 }
5260
5261 /****************************************************************************
5262  Deal with SMB_SET_FILE_UNIX_HLINK (create a UNIX hard link).
5263 ****************************************************************************/
5264
5265 static NTSTATUS smb_set_file_unix_hlink(connection_struct *conn,
5266                                         struct smb_request *req,
5267                                         const char *pdata, int total_data,
5268                                         const char *fname)
5269 {
5270         char *oldname = NULL;
5271         TALLOC_CTX *ctx = talloc_tos();
5272         NTSTATUS status = NT_STATUS_OK;
5273
5274         /* Set a hard link. */
5275         if (total_data == 0) {
5276                 return NT_STATUS_INVALID_PARAMETER;
5277         }
5278
5279         srvstr_get_path(ctx, pdata, req->flags2, &oldname, pdata,
5280                         total_data, STR_TERMINATE, &status);
5281         if (!NT_STATUS_IS_OK(status)) {
5282                 return status;
5283         }
5284
5285         status = resolve_dfspath(ctx, conn,
5286                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
5287                                 oldname,
5288                                 &oldname);
5289         if (!NT_STATUS_IS_OK(status)) {
5290                 return status;
5291         }
5292
5293         DEBUG(10,("smb_set_file_unix_hlink: SMB_SET_FILE_UNIX_LINK doing hard link %s -> %s\n",
5294                 fname, oldname));
5295
5296         return hardlink_internals(ctx, conn, oldname, fname);
5297 }
5298
5299 /****************************************************************************
5300  Deal with SMB_FILE_RENAME_INFORMATION.
5301 ****************************************************************************/
5302
5303 static NTSTATUS smb_file_rename_information(connection_struct *conn,
5304                                             struct smb_request *req,
5305                                             const char *pdata,
5306                                             int total_data,
5307                                             files_struct *fsp,
5308                                             const char *fname)
5309 {
5310         bool overwrite;
5311         uint32 root_fid;
5312         uint32 len;
5313         char *newname = NULL;
5314         char *base_name = NULL;
5315         bool dest_has_wcard = False;
5316         NTSTATUS status = NT_STATUS_OK;
5317         char *p;
5318         TALLOC_CTX *ctx = talloc_tos();
5319
5320         if (total_data < 13) {
5321                 return NT_STATUS_INVALID_PARAMETER;
5322         }
5323
5324         overwrite = (CVAL(pdata,0) ? True : False);
5325         root_fid = IVAL(pdata,4);
5326         len = IVAL(pdata,8);
5327
5328         if (len > (total_data - 12) || (len == 0) || (root_fid != 0)) {
5329                 return NT_STATUS_INVALID_PARAMETER;
5330         }
5331
5332         srvstr_get_path_wcard(ctx, pdata, req->flags2, &newname, &pdata[12],
5333                               len, 0, &status,
5334                               &dest_has_wcard);
5335         if (!NT_STATUS_IS_OK(status)) {
5336                 return status;
5337         }
5338
5339         DEBUG(10,("smb_file_rename_information: got name |%s|\n",
5340                                 newname));
5341
5342         status = resolve_dfspath_wcard(ctx, conn,
5343                                        req->flags2 & FLAGS2_DFS_PATHNAMES,
5344                                        newname,
5345                                        &newname,
5346                                        &dest_has_wcard);
5347         if (!NT_STATUS_IS_OK(status)) {
5348                 return status;
5349         }
5350
5351         /* Check the new name has no '/' characters. */
5352         if (strchr_m(newname, '/')) {
5353                 return NT_STATUS_NOT_SUPPORTED;
5354         }
5355
5356         /* Create the base directory. */
5357         base_name = talloc_strdup(ctx, fname);
5358         if (!base_name) {
5359                 return NT_STATUS_NO_MEMORY;
5360         }
5361         p = strrchr_m(base_name, '/');
5362         if (p) {
5363                 p[1] = '\0';
5364         } else {
5365                 base_name = talloc_strdup(ctx, "./");
5366                 if (!base_name) {
5367                         return NT_STATUS_NO_MEMORY;
5368                 }
5369         }
5370         /* Append the new name. */
5371         base_name = talloc_asprintf_append(base_name,
5372                         "%s",
5373                         newname);
5374         if (!base_name) {
5375                 return NT_STATUS_NO_MEMORY;
5376         }
5377
5378         if (fsp) {
5379                 SMB_STRUCT_STAT sbuf;
5380                 char *newname_last_component = NULL;
5381
5382                 ZERO_STRUCT(sbuf);
5383
5384                 status = unix_convert(ctx, conn, newname, False,
5385                                         &newname,
5386                                         &newname_last_component,
5387                                         &sbuf);
5388
5389                 /* If an error we expect this to be
5390                  * NT_STATUS_OBJECT_PATH_NOT_FOUND */
5391
5392                 if (!NT_STATUS_IS_OK(status)
5393                     && !NT_STATUS_EQUAL(NT_STATUS_OBJECT_PATH_NOT_FOUND,
5394                                         status)) {
5395                         return status;
5396                 }
5397
5398                 DEBUG(10,("smb_file_rename_information: SMB_FILE_RENAME_INFORMATION (fnum %d) %s -> %s\n",
5399                         fsp->fnum, fsp->fsp_name, base_name ));
5400                 status = rename_internals_fsp(conn, fsp, base_name,
5401                                               newname_last_component, 0,
5402                                               overwrite);
5403         } else {
5404                 DEBUG(10,("smb_file_rename_information: SMB_FILE_RENAME_INFORMATION %s -> %s\n",
5405                         fname, base_name ));
5406                 status = rename_internals(ctx, conn, req, fname, base_name, 0,
5407                                         overwrite, False, dest_has_wcard,
5408                                         FILE_WRITE_ATTRIBUTES);
5409         }
5410
5411         return status;
5412 }
5413
5414 /****************************************************************************
5415  Deal with SMB_SET_POSIX_ACL.
5416 ****************************************************************************/
5417
5418 #if defined(HAVE_POSIX_ACLS)
5419 static NTSTATUS smb_set_posix_acl(connection_struct *conn,
5420                                 const char *pdata,
5421                                 int total_data,
5422                                 files_struct *fsp,
5423                                 const char *fname,
5424                                 SMB_STRUCT_STAT *psbuf)
5425 {
5426         uint16 posix_acl_version;
5427         uint16 num_file_acls;
5428         uint16 num_def_acls;
5429         bool valid_file_acls = True;
5430         bool valid_def_acls = True;
5431
5432         if (total_data < SMB_POSIX_ACL_HEADER_SIZE) {
5433                 return NT_STATUS_INVALID_PARAMETER;
5434         }
5435         posix_acl_version = SVAL(pdata,0);
5436         num_file_acls = SVAL(pdata,2);
5437         num_def_acls = SVAL(pdata,4);
5438
5439         if (num_file_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) {
5440                 valid_file_acls = False;
5441                 num_file_acls = 0;
5442         }
5443
5444         if (num_def_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) {
5445                 valid_def_acls = False;
5446                 num_def_acls = 0;
5447         }
5448
5449         if (posix_acl_version != SMB_POSIX_ACL_VERSION) {
5450                 return NT_STATUS_INVALID_PARAMETER;
5451         }
5452
5453         if (total_data < SMB_POSIX_ACL_HEADER_SIZE +
5454                         (num_file_acls+num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE) {
5455                 return NT_STATUS_INVALID_PARAMETER;
5456         }
5457
5458         DEBUG(10,("smb_set_posix_acl: file %s num_file_acls = %u, num_def_acls = %u\n",
5459                 fname ? fname : fsp->fsp_name,
5460                 (unsigned int)num_file_acls,
5461                 (unsigned int)num_def_acls));
5462
5463         if (valid_file_acls && !set_unix_posix_acl(conn, fsp, fname, num_file_acls,
5464                         pdata + SMB_POSIX_ACL_HEADER_SIZE)) {
5465                 return map_nt_error_from_unix(errno);
5466         }
5467
5468         if (valid_def_acls && !set_unix_posix_default_acl(conn, fname, psbuf, num_def_acls,
5469                         pdata + SMB_POSIX_ACL_HEADER_SIZE +
5470                         (num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE))) {
5471                 return map_nt_error_from_unix(errno);
5472         }
5473         return NT_STATUS_OK;
5474 }
5475 #endif
5476
5477 /****************************************************************************
5478  Deal with SMB_SET_POSIX_LOCK.
5479 ****************************************************************************/
5480
5481 static NTSTATUS smb_set_posix_lock(connection_struct *conn,
5482                                 struct smb_request *req,
5483                                 const char *pdata,
5484                                 int total_data,
5485                                 files_struct *fsp)
5486 {
5487         uint64_t count;
5488         uint64_t offset;
5489         uint32 lock_pid;
5490         bool blocking_lock = False;
5491         enum brl_type lock_type;
5492
5493         NTSTATUS status = NT_STATUS_OK;
5494
5495         if (fsp == NULL || fsp->fh->fd == -1) {
5496                 return NT_STATUS_INVALID_HANDLE;
5497         }
5498
5499         if (total_data != POSIX_LOCK_DATA_SIZE) {
5500                 return NT_STATUS_INVALID_PARAMETER;
5501         }
5502
5503         switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) {
5504                 case POSIX_LOCK_TYPE_READ:
5505                         lock_type = READ_LOCK;
5506                         break;
5507                 case POSIX_LOCK_TYPE_WRITE:
5508                         /* Return the right POSIX-mappable error code for files opened read-only. */
5509                         if (!fsp->can_write) {
5510                                 return NT_STATUS_INVALID_HANDLE;
5511                         }
5512                         lock_type = WRITE_LOCK;
5513                         break;
5514                 case POSIX_LOCK_TYPE_UNLOCK:
5515                         lock_type = UNLOCK_LOCK;
5516                         break;
5517                 default:
5518                         return NT_STATUS_INVALID_PARAMETER;
5519         }
5520
5521         if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_NOWAIT) {
5522                 blocking_lock = False;
5523         } else if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_WAIT) {
5524                 blocking_lock = True;
5525         } else {
5526                 return NT_STATUS_INVALID_PARAMETER;
5527         }
5528
5529         if (!lp_blocking_locks(SNUM(conn))) {
5530                 blocking_lock = False;
5531         }
5532
5533         lock_pid = IVAL(pdata, POSIX_LOCK_PID_OFFSET);
5534 #if defined(HAVE_LONGLONG)
5535         offset = (((uint64_t) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) |
5536                         ((uint64_t) IVAL(pdata,POSIX_LOCK_START_OFFSET));
5537         count = (((uint64_t) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) |
5538                         ((uint64_t) IVAL(pdata,POSIX_LOCK_LEN_OFFSET));
5539 #else /* HAVE_LONGLONG */
5540         offset = (uint64_t)IVAL(pdata,POSIX_LOCK_START_OFFSET);
5541         count = (uint64_t)IVAL(pdata,POSIX_LOCK_LEN_OFFSET);
5542 #endif /* HAVE_LONGLONG */
5543
5544         DEBUG(10,("smb_set_posix_lock: file %s, lock_type = %u,"
5545                         "lock_pid = %u, count = %.0f, offset = %.0f\n",
5546                 fsp->fsp_name,
5547                 (unsigned int)lock_type,
5548                 (unsigned int)lock_pid,
5549                 (double)count,
5550                 (double)offset ));
5551
5552         if (lock_type == UNLOCK_LOCK) {
5553                 status = do_unlock(smbd_messaging_context(),
5554                                 fsp,
5555                                 lock_pid,
5556                                 count,
5557                                 offset,
5558                                 POSIX_LOCK);
5559         } else {
5560                 uint32 block_smbpid;
5561
5562                 struct byte_range_lock *br_lck = do_lock(smbd_messaging_context(),
5563                                                         fsp,
5564                                                         lock_pid,
5565                                                         count,
5566                                                         offset,
5567                                                         lock_type,
5568                                                         POSIX_LOCK,
5569                                                         blocking_lock,
5570                                                         &status,
5571                                                         &block_smbpid);
5572
5573                 if (br_lck && blocking_lock && ERROR_WAS_LOCK_DENIED(status)) {
5574                         /*
5575                          * A blocking lock was requested. Package up
5576                          * this smb into a queued request and push it
5577                          * onto the blocking lock queue.
5578                          */
5579                         if(push_blocking_lock_request(br_lck,
5580                                                 req,
5581                                                 fsp,
5582                                                 -1, /* infinite timeout. */
5583                                                 0,
5584                                                 lock_pid,
5585                                                 lock_type,
5586                                                 POSIX_LOCK,
5587                                                 offset,
5588                                                 count,
5589                                                 block_smbpid)) {
5590                                 TALLOC_FREE(br_lck);
5591                                 return status;
5592                         }
5593                 }
5594                 TALLOC_FREE(br_lck);
5595         }
5596
5597         return status;
5598 }
5599
5600 /****************************************************************************
5601  Deal with SMB_INFO_STANDARD.
5602 ****************************************************************************/
5603
5604 static NTSTATUS smb_set_info_standard(connection_struct *conn,
5605                                         const char *pdata,
5606                                         int total_data,
5607                                         files_struct *fsp,
5608                                         const char *fname,
5609                                         const SMB_STRUCT_STAT *psbuf)
5610 {
5611         struct timespec ts[2];
5612
5613         if (total_data < 12) {
5614                 return NT_STATUS_INVALID_PARAMETER;
5615         }
5616
5617         /* access time */
5618         ts[0] = convert_time_t_to_timespec(srv_make_unix_date2(pdata+l1_fdateLastAccess));
5619         /* write time */
5620         ts[1] = convert_time_t_to_timespec(srv_make_unix_date2(pdata+l1_fdateLastWrite));
5621
5622         DEBUG(10,("smb_set_info_standard: file %s\n",
5623                 fname ? fname : fsp->fsp_name ));
5624
5625         return smb_set_file_time(conn,
5626                                 fsp,
5627                                 fname,
5628                                 psbuf,
5629                                 ts,
5630                                 true);
5631 }
5632
5633 /****************************************************************************
5634  Deal with SMB_SET_FILE_BASIC_INFO.
5635 ****************************************************************************/
5636
5637 static NTSTATUS smb_set_file_basic_info(connection_struct *conn,
5638                                         const char *pdata,
5639                                         int total_data,
5640                                         files_struct *fsp,
5641                                         const char *fname,
5642                                         SMB_STRUCT_STAT *psbuf)
5643 {
5644         /* Patch to do this correctly from Paul Eggert <eggert@twinsun.com>. */
5645         struct timespec write_time;
5646         struct timespec changed_time;
5647         uint32 dosmode = 0;
5648         struct timespec ts[2];
5649         NTSTATUS status = NT_STATUS_OK;
5650         bool setting_write_time = true;
5651
5652         if (total_data < 36) {
5653                 return NT_STATUS_INVALID_PARAMETER;
5654         }
5655
5656         /* Set the attributes */
5657         dosmode = IVAL(pdata,32);
5658         status = smb_set_file_dosmode(conn,
5659                                         fname,
5660                                         psbuf,
5661                                         dosmode);
5662         if (!NT_STATUS_IS_OK(status)) {
5663                 return status;
5664         }
5665
5666         /* Ignore create time at offset pdata. */
5667
5668         /* access time */
5669         ts[0] = interpret_long_date(pdata+8);
5670
5671         write_time = interpret_long_date(pdata+16);
5672         changed_time = interpret_long_date(pdata+24);
5673
5674         /* mtime */
5675         ts[1] = timespec_min(&write_time, &changed_time);
5676
5677         if ((timespec_compare(&write_time, &ts[1]) == 1) && !null_timespec(write_time)) {
5678                 ts[1] = write_time;
5679         }
5680
5681         /* Prefer a defined time to an undefined one. */
5682         if (null_timespec(ts[1])) {
5683                 if (null_timespec(write_time)) {
5684                         ts[1] = changed_time;
5685                         setting_write_time = false;
5686                 } else {
5687                         ts[1] = write_time;
5688                 }
5689         }
5690
5691         DEBUG(10,("smb_set_file_basic_info: file %s\n",
5692                 fname ? fname : fsp->fsp_name ));
5693
5694         return smb_set_file_time(conn,
5695                                 fsp,
5696                                 fname,
5697                                 psbuf,
5698                                 ts,
5699                                 setting_write_time);
5700 }
5701
5702 /****************************************************************************
5703  Deal with SMB_SET_FILE_ALLOCATION_INFO.
5704 ****************************************************************************/
5705
5706 static NTSTATUS smb_set_file_allocation_info(connection_struct *conn,
5707                                              struct smb_request *req,
5708                                         const char *pdata,
5709                                         int total_data,
5710                                         files_struct *fsp,
5711                                         const char *fname,
5712                                         SMB_STRUCT_STAT *psbuf)
5713 {
5714         uint64_t allocation_size = 0;
5715         NTSTATUS status = NT_STATUS_OK;
5716         files_struct *new_fsp = NULL;
5717
5718         if (!VALID_STAT(*psbuf)) {
5719                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5720         }
5721
5722         if (total_data < 8) {
5723                 return NT_STATUS_INVALID_PARAMETER;
5724         }
5725
5726         allocation_size = (uint64_t)IVAL(pdata,0);
5727 #ifdef LARGE_SMB_OFF_T
5728         allocation_size |= (((uint64_t)IVAL(pdata,4)) << 32);
5729 #else /* LARGE_SMB_OFF_T */
5730         if (IVAL(pdata,4) != 0) {
5731                 /* more than 32 bits? */
5732                 return NT_STATUS_INVALID_PARAMETER;
5733         }
5734 #endif /* LARGE_SMB_OFF_T */
5735
5736         DEBUG(10,("smb_set_file_allocation_info: Set file allocation info for file %s to %.0f\n",
5737                         fname, (double)allocation_size ));
5738
5739         if (allocation_size) {
5740                 allocation_size = smb_roundup(conn, allocation_size);
5741         }
5742
5743         DEBUG(10,("smb_set_file_allocation_info: file %s : setting new allocation size to %.0f\n",
5744                         fname, (double)allocation_size ));
5745
5746         if (fsp && fsp->fh->fd != -1) {
5747                 /* Open file handle. */
5748                 /* Only change if needed. */
5749                 if (allocation_size != get_file_size(*psbuf)) {
5750                         if (vfs_allocate_file_space(fsp, allocation_size) == -1) {
5751                                 return map_nt_error_from_unix(errno);
5752                         }
5753                 }
5754                 /* But always update the time. */
5755                 /*
5756                  * This is equivalent to a write. Ensure it's seen immediately
5757                  * if there are no pending writes.
5758                  */
5759                 trigger_write_time_update_immediate(fsp);
5760                 return NT_STATUS_OK;
5761         }
5762
5763         /* Pathname or stat or directory file. */
5764
5765         status = open_file_ntcreate(conn, req, fname, psbuf,
5766                                 FILE_WRITE_DATA,
5767                                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
5768                                 FILE_OPEN,
5769                                 0,
5770                                 FILE_ATTRIBUTE_NORMAL,
5771                                 FORCE_OPLOCK_BREAK_TO_NONE,
5772                                 NULL, &new_fsp);
5773
5774         if (!NT_STATUS_IS_OK(status)) {
5775                 /* NB. We check for open_was_deferred in the caller. */
5776                 return status;
5777         }
5778
5779         /* Only change if needed. */
5780         if (allocation_size != get_file_size(*psbuf)) {
5781                 if (vfs_allocate_file_space(new_fsp, allocation_size) == -1) {
5782                         status = map_nt_error_from_unix(errno);
5783                         close_file(req, new_fsp, NORMAL_CLOSE);
5784                         return status;
5785                 }
5786         }
5787
5788         /* Changing the allocation size should set the last mod time. */
5789         /*
5790          * This is equivalent to a write. Ensure it's seen immediately
5791          * if there are no pending writes.
5792          */
5793         trigger_write_time_update_immediate(new_fsp);
5794
5795         close_file(req, new_fsp, NORMAL_CLOSE);
5796         return NT_STATUS_OK;
5797 }
5798
5799 /****************************************************************************
5800  Deal with SMB_SET_FILE_END_OF_FILE_INFO.
5801 ****************************************************************************/
5802
5803 static NTSTATUS smb_set_file_end_of_file_info(connection_struct *conn,
5804                                               struct smb_request *req,
5805                                         const char *pdata,
5806                                         int total_data,
5807                                         files_struct *fsp,
5808                                         const char *fname,
5809                                         SMB_STRUCT_STAT *psbuf)
5810 {
5811         SMB_OFF_T size;
5812
5813         if (total_data < 8) {
5814                 return NT_STATUS_INVALID_PARAMETER;
5815         }
5816
5817         size = IVAL(pdata,0);
5818 #ifdef LARGE_SMB_OFF_T
5819         size |= (((SMB_OFF_T)IVAL(pdata,4)) << 32);
5820 #else /* LARGE_SMB_OFF_T */
5821         if (IVAL(pdata,4) != 0) {
5822                 /* more than 32 bits? */
5823                 return NT_STATUS_INVALID_PARAMETER;
5824         }
5825 #endif /* LARGE_SMB_OFF_T */
5826         DEBUG(10,("smb_set_file_end_of_file_info: Set end of file info for "
5827                 "file %s to %.0f\n", fname, (double)size ));
5828
5829         return smb_set_file_size(conn, req,
5830                                 fsp,
5831                                 fname,
5832                                 psbuf,
5833                                 size);
5834 }
5835
5836 /****************************************************************************
5837  Allow a UNIX info mknod.
5838 ****************************************************************************/
5839
5840 static NTSTATUS smb_unix_mknod(connection_struct *conn,
5841                                         const char *pdata,
5842                                         int total_data,
5843                                         const char *fname,
5844                                         SMB_STRUCT_STAT *psbuf)
5845 {
5846         uint32 file_type = IVAL(pdata,56);
5847 #if defined(HAVE_MAKEDEV)
5848         uint32 dev_major = IVAL(pdata,60);
5849         uint32 dev_minor = IVAL(pdata,68);
5850 #endif
5851         SMB_DEV_T dev = (SMB_DEV_T)0;
5852         uint32 raw_unixmode = IVAL(pdata,84);
5853         NTSTATUS status;
5854         mode_t unixmode;
5855
5856         if (total_data < 100) {
5857                 return NT_STATUS_INVALID_PARAMETER;
5858         }
5859
5860         status = unix_perms_from_wire(conn, psbuf, raw_unixmode, PERM_NEW_FILE, &unixmode);
5861         if (!NT_STATUS_IS_OK(status)) {
5862                 return status;
5863         }
5864
5865 #if defined(HAVE_MAKEDEV)
5866         dev = makedev(dev_major, dev_minor);
5867 #endif
5868
5869         switch (file_type) {
5870 #if defined(S_IFIFO)
5871                 case UNIX_TYPE_FIFO:
5872                         unixmode |= S_IFIFO;
5873                         break;
5874 #endif
5875 #if defined(S_IFSOCK)
5876                 case UNIX_TYPE_SOCKET:
5877                         unixmode |= S_IFSOCK;
5878                         break;
5879 #endif
5880 #if defined(S_IFCHR)
5881                 case UNIX_TYPE_CHARDEV:
5882                         unixmode |= S_IFCHR;
5883                         break;
5884 #endif
5885 #if defined(S_IFBLK)
5886                 case UNIX_TYPE_BLKDEV:
5887                         unixmode |= S_IFBLK;
5888                         break;
5889 #endif
5890                 default:
5891                         return NT_STATUS_INVALID_PARAMETER;
5892         }
5893
5894         DEBUG(10,("smb_unix_mknod: SMB_SET_FILE_UNIX_BASIC doing mknod dev %.0f mode \
5895 0%o for file %s\n", (double)dev, (unsigned int)unixmode, fname ));
5896
5897         /* Ok - do the mknod. */
5898         if (SMB_VFS_MKNOD(conn, fname, unixmode, dev) != 0) {
5899                 return map_nt_error_from_unix(errno);
5900         }
5901
5902         /* If any of the other "set" calls fail we
5903          * don't want to end up with a half-constructed mknod.
5904          */
5905
5906         if (lp_inherit_perms(SNUM(conn))) {
5907                 inherit_access_posix_acl(
5908                         conn, parent_dirname(fname),
5909                         fname, unixmode);
5910         }
5911
5912         if (SMB_VFS_STAT(conn, fname, psbuf) != 0) {
5913                 status = map_nt_error_from_unix(errno);
5914                 SMB_VFS_UNLINK(conn,fname);
5915                 return status;
5916         }
5917         return NT_STATUS_OK;
5918 }
5919
5920 /****************************************************************************
5921  Deal with SMB_SET_FILE_UNIX_BASIC.
5922 ****************************************************************************/
5923
5924 static NTSTATUS smb_set_file_unix_basic(connection_struct *conn,
5925                                         struct smb_request *req,
5926                                         const char *pdata,
5927                                         int total_data,
5928                                         files_struct *fsp,
5929                                         const char *fname,
5930                                         SMB_STRUCT_STAT *psbuf)
5931 {
5932         struct timespec ts[2];
5933         uint32 raw_unixmode;
5934         mode_t unixmode;
5935         SMB_OFF_T size = 0;
5936         uid_t set_owner = (uid_t)SMB_UID_NO_CHANGE;
5937         gid_t set_grp = (uid_t)SMB_GID_NO_CHANGE;
5938         NTSTATUS status = NT_STATUS_OK;
5939         bool delete_on_fail = False;
5940         enum perm_type ptype;
5941
5942         if (total_data < 100) {
5943                 return NT_STATUS_INVALID_PARAMETER;
5944         }
5945
5946         if(IVAL(pdata, 0) != SMB_SIZE_NO_CHANGE_LO &&
5947            IVAL(pdata, 4) != SMB_SIZE_NO_CHANGE_HI) {
5948                 size=IVAL(pdata,0); /* first 8 Bytes are size */
5949 #ifdef LARGE_SMB_OFF_T
5950                 size |= (((SMB_OFF_T)IVAL(pdata,4)) << 32);
5951 #else /* LARGE_SMB_OFF_T */
5952                 if (IVAL(pdata,4) != 0) {
5953                         /* more than 32 bits? */
5954                         return NT_STATUS_INVALID_PARAMETER;
5955                 }
5956 #endif /* LARGE_SMB_OFF_T */
5957         }
5958
5959         ts[0] = interpret_long_date(pdata+24); /* access_time */
5960         ts[1] = interpret_long_date(pdata+32); /* modification_time */
5961         set_owner = (uid_t)IVAL(pdata,40);
5962         set_grp = (gid_t)IVAL(pdata,48);
5963         raw_unixmode = IVAL(pdata,84);
5964
5965         if (VALID_STAT(*psbuf)) {
5966                 if (S_ISDIR(psbuf->st_mode)) {
5967                         ptype = PERM_EXISTING_DIR;
5968                 } else {
5969                         ptype = PERM_EXISTING_FILE;
5970                 }
5971         } else {
5972                 ptype = PERM_NEW_FILE;
5973         }
5974
5975         status = unix_perms_from_wire(conn, psbuf, raw_unixmode, ptype, &unixmode);
5976         if (!NT_STATUS_IS_OK(status)) {
5977                 return status;
5978         }
5979
5980         DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC: name = %s \
5981 size = %.0f, uid = %u, gid = %u, raw perms = 0%o\n",
5982                 fname, (double)size, (unsigned int)set_owner, (unsigned int)set_grp, (int)raw_unixmode));
5983
5984         if (!VALID_STAT(*psbuf)) {
5985                 /*
5986                  * The only valid use of this is to create character and block
5987                  * devices, and named pipes. This is deprecated (IMHO) and
5988                  * a new info level should be used for mknod. JRA.
5989                  */
5990
5991                 status = smb_unix_mknod(conn,
5992                                         pdata,
5993                                         total_data,
5994                                         fname,
5995                                         psbuf);
5996                 if (!NT_STATUS_IS_OK(status)) {
5997                         return status;
5998                 }
5999
6000                 /* Ensure we don't try and change anything else. */
6001                 raw_unixmode = SMB_MODE_NO_CHANGE;
6002                 size = get_file_size(*psbuf);
6003                 ts[0] = get_atimespec(psbuf);
6004                 ts[1] = get_mtimespec(psbuf);
6005                 /*
6006                  * We continue here as we might want to change the
6007                  * owner uid/gid.
6008                  */
6009                 delete_on_fail = True;
6010         }
6011
6012 #if 1
6013         /* Horrible backwards compatibility hack as an old server bug
6014          * allowed a CIFS client bug to remain unnoticed :-(. JRA.
6015          * */
6016
6017         if (!size) {
6018                 size = get_file_size(*psbuf);
6019         }
6020 #endif
6021
6022         /*
6023          * Deal with the UNIX specific mode set.
6024          */
6025
6026         if (raw_unixmode != SMB_MODE_NO_CHANGE) {
6027                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC setting mode 0%o for file %s\n",
6028                         (unsigned int)unixmode, fname ));
6029                 if (SMB_VFS_CHMOD(conn, fname, unixmode) != 0) {
6030                         return map_nt_error_from_unix(errno);
6031                 }
6032         }
6033
6034         /*
6035          * Deal with the UNIX specific uid set.
6036          */
6037
6038         if ((set_owner != (uid_t)SMB_UID_NO_CHANGE) && (psbuf->st_uid != set_owner)) {
6039                 int ret;
6040
6041                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC changing owner %u for path %s\n",
6042                         (unsigned int)set_owner, fname ));
6043
6044                 if (S_ISLNK(psbuf->st_mode)) {
6045                         ret = SMB_VFS_LCHOWN(conn, fname, set_owner, (gid_t)-1);
6046                 } else {
6047                         ret = SMB_VFS_CHOWN(conn, fname, set_owner, (gid_t)-1);
6048                 }
6049
6050                 if (ret != 0) {
6051                         status = map_nt_error_from_unix(errno);
6052                         if (delete_on_fail) {
6053                                 SMB_VFS_UNLINK(conn,fname);
6054                         }
6055                         return status;
6056                 }
6057         }
6058
6059         /*
6060          * Deal with the UNIX specific gid set.
6061          */
6062
6063         if ((set_grp != (uid_t)SMB_GID_NO_CHANGE) && (psbuf->st_gid != set_grp)) {
6064                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC changing group %u for file %s\n",
6065                         (unsigned int)set_owner, fname ));
6066                 if (SMB_VFS_CHOWN(conn, fname, (uid_t)-1, set_grp) != 0) {
6067                         status = map_nt_error_from_unix(errno);
6068                         if (delete_on_fail) {
6069                                 SMB_VFS_UNLINK(conn,fname);
6070                         }
6071                         return status;
6072                 }
6073         }
6074
6075         /* Deal with any size changes. */
6076
6077         status = smb_set_file_size(conn, req,
6078                                 fsp,
6079                                 fname,
6080                                 psbuf,
6081                                 size);
6082         if (!NT_STATUS_IS_OK(status)) {
6083                 return status;
6084         }
6085
6086         /* Deal with any time changes. */
6087
6088         return smb_set_file_time(conn,
6089                                 fsp,
6090                                 fname,
6091                                 psbuf,
6092                                 ts,
6093                                 true);
6094 }
6095
6096 /****************************************************************************
6097  Deal with SMB_SET_FILE_UNIX_INFO2.
6098 ****************************************************************************/
6099
6100 static NTSTATUS smb_set_file_unix_info2(connection_struct *conn,
6101                                         struct smb_request *req,
6102                                         const char *pdata,
6103                                         int total_data,
6104                                         files_struct *fsp,
6105                                         const char *fname,
6106                                         SMB_STRUCT_STAT *psbuf)
6107 {
6108         NTSTATUS status;
6109         uint32 smb_fflags;
6110         uint32 smb_fmask;
6111
6112         if (total_data < 116) {
6113                 return NT_STATUS_INVALID_PARAMETER;
6114         }
6115
6116         /* Start by setting all the fields that are common between UNIX_BASIC
6117          * and UNIX_INFO2.
6118          */
6119         status = smb_set_file_unix_basic(conn, req, pdata, total_data,
6120                                 fsp, fname, psbuf);
6121         if (!NT_STATUS_IS_OK(status)) {
6122                 return status;
6123         }
6124
6125         smb_fflags = IVAL(pdata, 108);
6126         smb_fmask = IVAL(pdata, 112);
6127
6128         /* NB: We should only attempt to alter the file flags if the client
6129          * sends a non-zero mask.
6130          */
6131         if (smb_fmask != 0) {
6132                 int stat_fflags = 0;
6133
6134                 if (!map_info2_flags_to_sbuf(psbuf, smb_fflags, smb_fmask,
6135                             &stat_fflags)) {
6136                         /* Client asked to alter a flag we don't understand. */
6137                         return NT_STATUS_INVALID_PARAMETER;
6138                 }
6139
6140                 if (fsp && fsp->fh->fd != -1) {
6141                         /* XXX: we should be  using SMB_VFS_FCHFLAGS here. */
6142                         return NT_STATUS_NOT_SUPPORTED;
6143                 } else {
6144                         if (SMB_VFS_CHFLAGS(conn, fname, stat_fflags) != 0) {
6145                                 return map_nt_error_from_unix(errno);
6146                         }
6147                 }
6148         }
6149
6150         /* XXX: need to add support for changing the create_time here. You
6151          * can do this for paths on Darwin with setattrlist(2). The right way
6152          * to hook this up is probably by extending the VFS utimes interface.
6153          */
6154
6155         return NT_STATUS_OK;
6156 }
6157
6158 /****************************************************************************
6159  Create a directory with POSIX semantics.
6160 ****************************************************************************/
6161
6162 static NTSTATUS smb_posix_mkdir(connection_struct *conn,
6163                                 struct smb_request *req,
6164                                 char **ppdata,
6165                                 int total_data,
6166                                 const char *fname,
6167                                 SMB_STRUCT_STAT *psbuf,
6168                                 int *pdata_return_size)
6169 {
6170         NTSTATUS status = NT_STATUS_OK;
6171         uint32 raw_unixmode = 0;
6172         uint32 mod_unixmode = 0;
6173         mode_t unixmode = (mode_t)0;
6174         files_struct *fsp = NULL;
6175         uint16 info_level_return = 0;
6176         int info;
6177         char *pdata = *ppdata;
6178
6179         if (total_data < 18) {
6180                 return NT_STATUS_INVALID_PARAMETER;
6181         }
6182
6183         raw_unixmode = IVAL(pdata,8);
6184         /* Next 4 bytes are not yet defined. */
6185
6186         status = unix_perms_from_wire(conn, psbuf, raw_unixmode, PERM_NEW_DIR, &unixmode);
6187         if (!NT_STATUS_IS_OK(status)) {
6188                 return status;
6189         }
6190
6191         mod_unixmode = (uint32)unixmode | FILE_FLAG_POSIX_SEMANTICS;
6192
6193         DEBUG(10,("smb_posix_mkdir: file %s, mode 0%o\n",
6194                 fname, (unsigned int)unixmode ));
6195
6196         status = open_directory(conn, req,
6197                                 fname,
6198                                 psbuf,
6199                                 FILE_READ_ATTRIBUTES, /* Just a stat open */
6200                                 FILE_SHARE_NONE, /* Ignored for stat opens */
6201                                 FILE_CREATE,
6202                                 0,
6203                                 mod_unixmode,
6204                                 &info,
6205                                 &fsp);
6206
6207         if (NT_STATUS_IS_OK(status)) {
6208                 close_file(req, fsp, NORMAL_CLOSE);
6209         }
6210
6211         info_level_return = SVAL(pdata,16);
6212
6213         if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
6214                 *pdata_return_size = 12 + SMB_FILE_UNIX_BASIC_SIZE;
6215         } else if (info_level_return ==  SMB_QUERY_FILE_UNIX_INFO2) {
6216                 *pdata_return_size = 12 + SMB_FILE_UNIX_INFO2_SIZE;
6217         } else {
6218                 *pdata_return_size = 12;
6219         }
6220
6221         /* Realloc the data size */
6222         *ppdata = (char *)SMB_REALLOC(*ppdata,*pdata_return_size);
6223         if (*ppdata == NULL) {
6224                 *pdata_return_size = 0;
6225                 return NT_STATUS_NO_MEMORY;
6226         }
6227         pdata = *ppdata;
6228
6229         SSVAL(pdata,0,NO_OPLOCK_RETURN);
6230         SSVAL(pdata,2,0); /* No fnum. */
6231         SIVAL(pdata,4,info); /* Was directory created. */
6232
6233         switch (info_level_return) {
6234                 case SMB_QUERY_FILE_UNIX_BASIC:
6235                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_BASIC);
6236                         SSVAL(pdata,10,0); /* Padding. */
6237                         store_file_unix_basic(conn, pdata + 12, fsp, psbuf);
6238                         break;
6239                 case SMB_QUERY_FILE_UNIX_INFO2:
6240                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_INFO2);
6241                         SSVAL(pdata,10,0); /* Padding. */
6242                         store_file_unix_basic_info2(conn, pdata + 12, fsp, psbuf);
6243                         break;
6244                 default:
6245                         SSVAL(pdata,8,SMB_NO_INFO_LEVEL_RETURNED);
6246                         SSVAL(pdata,10,0); /* Padding. */
6247                         break;
6248         }
6249
6250         return status;
6251 }
6252
6253 /****************************************************************************
6254  Open/Create a file with POSIX semantics.
6255 ****************************************************************************/
6256
6257 static NTSTATUS smb_posix_open(connection_struct *conn,
6258                                struct smb_request *req,
6259                                 char **ppdata,
6260                                 int total_data,
6261                                 const char *fname,
6262                                 SMB_STRUCT_STAT *psbuf,
6263                                 int *pdata_return_size)
6264 {
6265         bool extended_oplock_granted = False;
6266         char *pdata = *ppdata;
6267         uint32 flags = 0;
6268         uint32 wire_open_mode = 0;
6269         uint32 raw_unixmode = 0;
6270         uint32 mod_unixmode = 0;
6271         uint32 create_disp = 0;
6272         uint32 access_mask = 0;
6273         uint32 create_options = 0;
6274         NTSTATUS status = NT_STATUS_OK;
6275         mode_t unixmode = (mode_t)0;
6276         files_struct *fsp = NULL;
6277         int oplock_request = 0;
6278         int info = 0;
6279         uint16 info_level_return = 0;
6280
6281         if (total_data < 18) {
6282                 return NT_STATUS_INVALID_PARAMETER;
6283         }
6284
6285         flags = IVAL(pdata,0);
6286         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
6287         if (oplock_request) {
6288                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
6289         }
6290
6291         wire_open_mode = IVAL(pdata,4);
6292
6293         if (wire_open_mode == (SMB_O_CREAT|SMB_O_DIRECTORY)) {
6294                 return smb_posix_mkdir(conn, req,
6295                                         ppdata,
6296                                         total_data,
6297                                         fname,
6298                                         psbuf,
6299                                         pdata_return_size);
6300         }
6301
6302         switch (wire_open_mode & SMB_ACCMODE) {
6303                 case SMB_O_RDONLY:
6304                         access_mask = FILE_READ_DATA;
6305                         break;
6306                 case SMB_O_WRONLY:
6307                         access_mask = FILE_WRITE_DATA;
6308                         break;
6309                 case SMB_O_RDWR:
6310                         access_mask = FILE_READ_DATA|FILE_WRITE_DATA;
6311                         break;
6312                 default:
6313                         DEBUG(5,("smb_posix_open: invalid open mode 0x%x\n",
6314                                 (unsigned int)wire_open_mode ));
6315                         return NT_STATUS_INVALID_PARAMETER;
6316         }
6317
6318         wire_open_mode &= ~SMB_ACCMODE;
6319
6320         if((wire_open_mode & (SMB_O_CREAT | SMB_O_EXCL)) == (SMB_O_CREAT | SMB_O_EXCL)) {
6321                 create_disp = FILE_CREATE;
6322         } else if((wire_open_mode & (SMB_O_CREAT | SMB_O_TRUNC)) == (SMB_O_CREAT | SMB_O_TRUNC)) {
6323                 create_disp = FILE_OVERWRITE_IF;
6324         } else if((wire_open_mode & SMB_O_CREAT) == SMB_O_CREAT) {
6325                 create_disp = FILE_OPEN_IF;
6326         } else {
6327                 DEBUG(5,("smb_posix_open: invalid create mode 0x%x\n",
6328                         (unsigned int)wire_open_mode ));
6329                 return NT_STATUS_INVALID_PARAMETER;
6330         }
6331
6332         raw_unixmode = IVAL(pdata,8);
6333         /* Next 4 bytes are not yet defined. */
6334
6335         status = unix_perms_from_wire(conn,
6336                                 psbuf,
6337                                 raw_unixmode,
6338                                 VALID_STAT(*psbuf) ? PERM_EXISTING_FILE : PERM_NEW_FILE,
6339                                 &unixmode);
6340
6341         if (!NT_STATUS_IS_OK(status)) {
6342                 return status;
6343         }
6344
6345         mod_unixmode = (uint32)unixmode | FILE_FLAG_POSIX_SEMANTICS;
6346
6347         if (wire_open_mode & SMB_O_SYNC) {
6348                 create_options |= FILE_WRITE_THROUGH;
6349         }
6350         if (wire_open_mode & SMB_O_APPEND) {
6351                 access_mask |= FILE_APPEND_DATA;
6352         }
6353         if (wire_open_mode & SMB_O_DIRECT) {
6354                 mod_unixmode |= FILE_FLAG_NO_BUFFERING;
6355         }
6356
6357         DEBUG(10,("smb_posix_open: file %s, smb_posix_flags = %u, mode 0%o\n",
6358                 fname,
6359                 (unsigned int)wire_open_mode,
6360                 (unsigned int)unixmode ));
6361
6362         status = open_file_ntcreate(conn, req,
6363                                 fname,
6364                                 psbuf,
6365                                 access_mask,
6366                                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
6367                                 create_disp,
6368                                 0,              /* no create options yet. */
6369                                 mod_unixmode,
6370                                 oplock_request,
6371                                 &info,
6372                                 &fsp);
6373
6374         if (!NT_STATUS_IS_OK(status)) {
6375                 return status;
6376         }
6377
6378         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
6379                 extended_oplock_granted = True;
6380         }
6381
6382         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
6383                 extended_oplock_granted = True;
6384         }
6385
6386         info_level_return = SVAL(pdata,16);
6387
6388         /* Allocate the correct return size. */
6389
6390         if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
6391                 *pdata_return_size = 12 + SMB_FILE_UNIX_BASIC_SIZE;
6392         } else if (info_level_return ==  SMB_QUERY_FILE_UNIX_INFO2) {
6393                 *pdata_return_size = 12 + SMB_FILE_UNIX_INFO2_SIZE;
6394         } else {
6395                 *pdata_return_size = 12;
6396         }
6397
6398         /* Realloc the data size */
6399         *ppdata = (char *)SMB_REALLOC(*ppdata,*pdata_return_size);
6400         if (*ppdata == NULL) {
6401                 close_file(req, fsp, ERROR_CLOSE);
6402                 *pdata_return_size = 0;
6403                 return NT_STATUS_NO_MEMORY;
6404         }
6405         pdata = *ppdata;
6406
6407         if (extended_oplock_granted) {
6408                 if (flags & REQUEST_BATCH_OPLOCK) {
6409                         SSVAL(pdata,0, BATCH_OPLOCK_RETURN);
6410                 } else {
6411                         SSVAL(pdata,0, EXCLUSIVE_OPLOCK_RETURN);
6412                 }
6413         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
6414                 SSVAL(pdata,0, LEVEL_II_OPLOCK_RETURN);
6415         } else {
6416                 SSVAL(pdata,0,NO_OPLOCK_RETURN);
6417         }
6418
6419         SSVAL(pdata,2,fsp->fnum);
6420         SIVAL(pdata,4,info); /* Was file created etc. */
6421
6422         switch (info_level_return) {
6423                 case SMB_QUERY_FILE_UNIX_BASIC:
6424                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_BASIC);
6425                         SSVAL(pdata,10,0); /* padding. */
6426                         store_file_unix_basic(conn, pdata + 12, fsp, psbuf);
6427                         break;
6428                 case SMB_QUERY_FILE_UNIX_INFO2:
6429                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_INFO2);
6430                         SSVAL(pdata,10,0); /* padding. */
6431                         store_file_unix_basic_info2(conn, pdata + 12, fsp, psbuf);
6432                         break;
6433                 default:
6434                         SSVAL(pdata,8,SMB_NO_INFO_LEVEL_RETURNED);
6435                         SSVAL(pdata,10,0); /* padding. */
6436                         break;
6437         }
6438         return NT_STATUS_OK;
6439 }
6440
6441 /****************************************************************************
6442  Delete a file with POSIX semantics.
6443 ****************************************************************************/
6444
6445 static NTSTATUS smb_posix_unlink(connection_struct *conn,
6446                                  struct smb_request *req,
6447                                 const char *pdata,
6448                                 int total_data,
6449                                 const char *fname,
6450                                 SMB_STRUCT_STAT *psbuf)
6451 {
6452         NTSTATUS status = NT_STATUS_OK;
6453         files_struct *fsp = NULL;
6454         uint16 flags = 0;
6455         char del = 1;
6456         int info = 0;
6457         int i;
6458         struct share_mode_lock *lck = NULL;
6459
6460         if (total_data < 2) {
6461                 return NT_STATUS_INVALID_PARAMETER;
6462         }
6463
6464         flags = SVAL(pdata,0);
6465
6466         if (!VALID_STAT(*psbuf)) {
6467                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
6468         }
6469
6470         if ((flags == SMB_POSIX_UNLINK_DIRECTORY_TARGET) &&
6471                         !VALID_STAT_OF_DIR(*psbuf)) {
6472                 return NT_STATUS_NOT_A_DIRECTORY;
6473         }
6474
6475         DEBUG(10,("smb_posix_unlink: %s %s\n",
6476                 (flags == SMB_POSIX_UNLINK_DIRECTORY_TARGET) ? "directory" : "file",
6477                 fname));
6478
6479         if (VALID_STAT_OF_DIR(*psbuf)) {
6480                 status = open_directory(conn, req,
6481                                         fname,
6482                                         psbuf,
6483                                         DELETE_ACCESS,
6484                                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
6485                                         FILE_OPEN,
6486                                         0,
6487                                         FILE_FLAG_POSIX_SEMANTICS|0777,
6488                                         &info,
6489                                         &fsp);
6490         } else {
6491
6492                 status = open_file_ntcreate(conn, req,
6493                                 fname,
6494                                 psbuf,
6495                                 DELETE_ACCESS,
6496                                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
6497                                 FILE_OPEN,
6498                                 0,
6499                                 FILE_FLAG_POSIX_SEMANTICS|0777,
6500                                 0, /* No oplock, but break existing ones. */
6501                                 &info,
6502                                 &fsp);
6503         }
6504
6505         if (!NT_STATUS_IS_OK(status)) {
6506                 return status;
6507         }
6508
6509         /*
6510          * Don't lie to client. If we can't really delete due to
6511          * non-POSIX opens return SHARING_VIOLATION.
6512          */
6513
6514         lck = get_share_mode_lock(talloc_tos(), fsp->file_id, NULL, NULL,
6515                                   NULL);
6516         if (lck == NULL) {
6517                 DEBUG(0, ("smb_posix_unlink: Could not get share mode "
6518                         "lock for file %s\n", fsp->fsp_name));
6519                 close_file(req, fsp, NORMAL_CLOSE);
6520                 return NT_STATUS_INVALID_PARAMETER;
6521         }
6522
6523         /*
6524          * See if others still have the file open. If this is the case, then
6525          * don't delete. If all opens are POSIX delete we can set the delete
6526          * on close disposition.
6527          */
6528         for (i=0; i<lck->num_share_modes; i++) {
6529                 struct share_mode_entry *e = &lck->share_modes[i];
6530                 if (is_valid_share_mode_entry(e)) {
6531                         if (e->flags & SHARE_MODE_FLAG_POSIX_OPEN) {
6532                                 continue;
6533                         }
6534                         /* Fail with sharing violation. */
6535                         close_file(req, fsp, NORMAL_CLOSE);
6536                         TALLOC_FREE(lck);
6537                         return NT_STATUS_SHARING_VIOLATION;
6538                 }
6539         }
6540
6541         /*
6542          * Set the delete on close.
6543          */
6544         status = smb_set_file_disposition_info(conn,
6545                                                 &del,
6546                                                 1,
6547                                                 fsp,
6548                                                 fname,
6549                                                 psbuf);
6550
6551         if (!NT_STATUS_IS_OK(status)) {
6552                 close_file(req, fsp, NORMAL_CLOSE);
6553                 TALLOC_FREE(lck);
6554                 return status;
6555         }
6556         TALLOC_FREE(lck);
6557         return close_file(req, fsp, NORMAL_CLOSE);
6558 }
6559
6560 /****************************************************************************
6561  Reply to a TRANS2_SETFILEINFO (set file info by fileid or pathname).
6562 ****************************************************************************/
6563
6564 static void call_trans2setfilepathinfo(connection_struct *conn,
6565                                        struct smb_request *req,
6566                                        unsigned int tran_call,
6567                                        char **pparams, int total_params,
6568                                        char **ppdata, int total_data,
6569                                        unsigned int max_data_bytes)
6570 {
6571         char *params = *pparams;
6572         char *pdata = *ppdata;
6573         uint16 info_level;
6574         SMB_STRUCT_STAT sbuf;
6575         char *fname = NULL;
6576         files_struct *fsp = NULL;
6577         NTSTATUS status = NT_STATUS_OK;
6578         int data_return_size = 0;
6579         TALLOC_CTX *ctx = talloc_tos();
6580
6581         if (!params) {
6582                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6583                 return;
6584         }
6585
6586         ZERO_STRUCT(sbuf);
6587
6588         if (tran_call == TRANSACT2_SETFILEINFO) {
6589                 if (total_params < 4) {
6590                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6591                         return;
6592                 }
6593
6594                 fsp = file_fsp(req, SVAL(params,0));
6595                 /* Basic check for non-null fsp. */
6596                 if (!check_fsp_open(conn, req, fsp)) {
6597                         return;
6598                 }
6599                 info_level = SVAL(params,2);
6600
6601                 fname = talloc_strdup(talloc_tos(),fsp->fsp_name);
6602                 if (!fname) {
6603                         reply_nterror(req, NT_STATUS_NO_MEMORY);
6604                         return;
6605                 }
6606
6607                 if(fsp->is_directory || fsp->fh->fd == -1) {
6608                         /*
6609                          * This is actually a SETFILEINFO on a directory
6610                          * handle (returned from an NT SMB). NT5.0 seems
6611                          * to do this call. JRA.
6612                          */
6613                         if (INFO_LEVEL_IS_UNIX(info_level)) {
6614                                 /* Always do lstat for UNIX calls. */
6615                                 if (SMB_VFS_LSTAT(conn,fname,&sbuf)) {
6616                                         DEBUG(3,("call_trans2setfilepathinfo: SMB_VFS_LSTAT of %s failed (%s)\n",fname,strerror(errno)));
6617                                         reply_unixerror(req,ERRDOS,ERRbadpath);
6618                                         return;
6619                                 }
6620                         } else {
6621                                 if (SMB_VFS_STAT(conn,fname,&sbuf) != 0) {
6622                                         DEBUG(3,("call_trans2setfilepathinfo: fileinfo of %s failed (%s)\n",fname,strerror(errno)));
6623                                         reply_unixerror(req,ERRDOS,ERRbadpath);
6624                                         return;
6625                                 }
6626                         }
6627                 } else if (fsp->print_file) {
6628                         /*
6629                          * Doing a DELETE_ON_CLOSE should cancel a print job.
6630                          */
6631                         if ((info_level == SMB_SET_FILE_DISPOSITION_INFO) && CVAL(pdata,0)) {
6632                                 fsp->fh->private_options |= FILE_DELETE_ON_CLOSE;
6633
6634                                 DEBUG(3,("call_trans2setfilepathinfo: Cancelling print job (%s)\n", fsp->fsp_name ));
6635
6636                                 SSVAL(params,0,0);
6637                                 send_trans2_replies(conn, req, params, 2,
6638                                                     *ppdata, 0,
6639                                                     max_data_bytes);
6640                                 return;
6641                         } else {
6642                                 reply_unixerror(req, ERRDOS, ERRbadpath);
6643                                 return;
6644                         }
6645                 } else {
6646                         /*
6647                          * Original code - this is an open file.
6648                          */
6649                         if (!check_fsp(conn, req, fsp)) {
6650                                 return;
6651                         }
6652
6653                         if (SMB_VFS_FSTAT(fsp, &sbuf) != 0) {
6654                                 DEBUG(3,("call_trans2setfilepathinfo: fstat of fnum %d failed (%s)\n",fsp->fnum, strerror(errno)));
6655                                 reply_unixerror(req, ERRDOS, ERRbadfid);
6656                                 return;
6657                         }
6658                 }
6659         } else {
6660                 /* set path info */
6661                 if (total_params < 7) {
6662                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6663                         return;
6664                 }
6665
6666                 info_level = SVAL(params,0);
6667                 srvstr_get_path(ctx, params, req->flags2, &fname, &params[6],
6668                                 total_params - 6, STR_TERMINATE,
6669                                 &status);
6670                 if (!NT_STATUS_IS_OK(status)) {
6671                         reply_nterror(req, status);
6672                         return;
6673                 }
6674
6675                 status = resolve_dfspath(ctx, conn,
6676                                          req->flags2 & FLAGS2_DFS_PATHNAMES,
6677                                          fname,
6678                                          &fname);
6679                 if (!NT_STATUS_IS_OK(status)) {
6680                         if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
6681                                 reply_botherror(req,
6682                                                 NT_STATUS_PATH_NOT_COVERED,
6683                                                 ERRSRV, ERRbadpath);
6684                                 return;
6685                         }
6686                         reply_nterror(req, status);
6687                         return;
6688                 }
6689
6690                 status = unix_convert(ctx, conn, fname, False,
6691                                 &fname, NULL, &sbuf);
6692                 if (!NT_STATUS_IS_OK(status)) {
6693                         reply_nterror(req, status);
6694                         return;
6695                 }
6696
6697                 status = check_name(conn, fname);
6698                 if (!NT_STATUS_IS_OK(status)) {
6699                         reply_nterror(req, status);
6700                         return;
6701                 }
6702
6703                 if (INFO_LEVEL_IS_UNIX(info_level)) {
6704                         /*
6705                          * For CIFS UNIX extensions the target name may not exist.
6706                          */
6707
6708                         /* Always do lstat for UNIX calls. */
6709                         SMB_VFS_LSTAT(conn,fname,&sbuf);
6710
6711                 } else if (!VALID_STAT(sbuf) && SMB_VFS_STAT(conn,fname,&sbuf)) {
6712                         DEBUG(3,("call_trans2setfilepathinfo: SMB_VFS_STAT of %s failed (%s)\n",fname,strerror(errno)));
6713                         reply_unixerror(req, ERRDOS, ERRbadpath);
6714                         return;
6715                 }
6716         }
6717
6718         if (!CAN_WRITE(conn)) {
6719                 reply_doserror(req, ERRSRV, ERRaccess);
6720                 return;
6721         }
6722
6723         if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
6724                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6725                 return;
6726         }
6727
6728         DEBUG(3,("call_trans2setfilepathinfo(%d) %s (fnum %d) info_level=%d totdata=%d\n",
6729                 tran_call,fname, fsp ? fsp->fnum : -1, info_level,total_data));
6730
6731         /* Realloc the parameter size */
6732         *pparams = (char *)SMB_REALLOC(*pparams,2);
6733         if (*pparams == NULL) {
6734                 reply_nterror(req, NT_STATUS_NO_MEMORY);
6735                 return;
6736         }
6737         params = *pparams;
6738
6739         SSVAL(params,0,0);
6740
6741         switch (info_level) {
6742
6743                 case SMB_INFO_STANDARD:
6744                 {
6745                         status = smb_set_info_standard(conn,
6746                                         pdata,
6747                                         total_data,
6748                                         fsp,
6749                                         fname,
6750                                         &sbuf);
6751                         break;
6752                 }
6753
6754                 case SMB_INFO_SET_EA:
6755                 {
6756                         status = smb_info_set_ea(conn,
6757                                                 pdata,
6758                                                 total_data,
6759                                                 fsp,
6760                                                 fname);
6761                         break;
6762                 }
6763
6764                 case SMB_SET_FILE_BASIC_INFO:
6765                 case SMB_FILE_BASIC_INFORMATION:
6766                 {
6767                         status = smb_set_file_basic_info(conn,
6768                                                         pdata,
6769                                                         total_data,
6770                                                         fsp,
6771                                                         fname,
6772                                                         &sbuf);
6773                         break;
6774                 }
6775
6776                 case SMB_FILE_ALLOCATION_INFORMATION:
6777                 case SMB_SET_FILE_ALLOCATION_INFO:
6778                 {
6779                         status = smb_set_file_allocation_info(conn, req,
6780                                                                 pdata,
6781                                                                 total_data,
6782                                                                 fsp,
6783                                                                 fname,
6784                                                                 &sbuf);
6785                         break;
6786                 }
6787
6788                 case SMB_FILE_END_OF_FILE_INFORMATION:
6789                 case SMB_SET_FILE_END_OF_FILE_INFO:
6790                 {
6791                         status = smb_set_file_end_of_file_info(conn, req,
6792                                                                 pdata,
6793                                                                 total_data,
6794                                                                 fsp,
6795                                                                 fname,
6796                                                                 &sbuf);
6797                         break;
6798                 }
6799
6800                 case SMB_FILE_DISPOSITION_INFORMATION:
6801                 case SMB_SET_FILE_DISPOSITION_INFO: /* Set delete on close for open file. */
6802                 {
6803 #if 0
6804                         /* JRA - We used to just ignore this on a path ?
6805                          * Shouldn't this be invalid level on a pathname
6806                          * based call ?
6807                          */
6808                         if (tran_call != TRANSACT2_SETFILEINFO) {
6809                                 return ERROR_NT(NT_STATUS_INVALID_LEVEL);
6810                         }
6811 #endif
6812                         status = smb_set_file_disposition_info(conn,
6813                                                 pdata,
6814                                                 total_data,
6815                                                 fsp,
6816                                                 fname,
6817                                                 &sbuf);
6818                         break;
6819                 }
6820
6821                 case SMB_FILE_POSITION_INFORMATION:
6822                 {
6823                         status = smb_file_position_information(conn,
6824                                                 pdata,
6825                                                 total_data,
6826                                                 fsp);
6827                         break;
6828                 }
6829
6830                 /* From tridge Samba4 :
6831                  * MODE_INFORMATION in setfileinfo (I have no
6832                  * idea what "mode information" on a file is - it takes a value of 0,
6833                  * 2, 4 or 6. What could it be?).
6834                  */
6835
6836                 case SMB_FILE_MODE_INFORMATION:
6837                 {
6838                         status = smb_file_mode_information(conn,
6839                                                 pdata,
6840                                                 total_data);
6841                         break;
6842                 }
6843
6844                 /*
6845                  * CIFS UNIX extensions.
6846                  */
6847
6848                 case SMB_SET_FILE_UNIX_BASIC:
6849                 {
6850                         status = smb_set_file_unix_basic(conn, req,
6851                                                         pdata,
6852                                                         total_data,
6853                                                         fsp,
6854                                                         fname,
6855                                                         &sbuf);
6856                         break;
6857                 }
6858
6859                 case SMB_SET_FILE_UNIX_INFO2:
6860                 {
6861                         status = smb_set_file_unix_info2(conn, req,
6862                                                         pdata,
6863                                                         total_data,
6864                                                         fsp,
6865                                                         fname,
6866                                                         &sbuf);
6867                         break;
6868                 }
6869
6870                 case SMB_SET_FILE_UNIX_LINK:
6871                 {
6872                         if (tran_call != TRANSACT2_SETPATHINFO) {
6873                                 /* We must have a pathname for this. */
6874                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6875                                 return;
6876                         }
6877                         status = smb_set_file_unix_link(conn, req, pdata,
6878                                                         total_data, fname);
6879                         break;
6880                 }
6881
6882                 case SMB_SET_FILE_UNIX_HLINK:
6883                 {
6884                         if (tran_call != TRANSACT2_SETPATHINFO) {
6885                                 /* We must have a pathname for this. */
6886                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6887                                 return;
6888                         }
6889                         status = smb_set_file_unix_hlink(conn, req,
6890                                                          pdata, total_data,
6891                                                          fname);
6892                         break;
6893                 }
6894
6895                 case SMB_FILE_RENAME_INFORMATION:
6896                 {
6897                         status = smb_file_rename_information(conn, req,
6898                                                              pdata, total_data,
6899                                                              fsp, fname);
6900                         break;
6901                 }
6902
6903 #if defined(HAVE_POSIX_ACLS)
6904                 case SMB_SET_POSIX_ACL:
6905                 {
6906                         status = smb_set_posix_acl(conn,
6907                                                 pdata,
6908                                                 total_data,
6909                                                 fsp,
6910                                                 fname,
6911                                                 &sbuf);
6912                         break;
6913                 }
6914 #endif
6915
6916                 case SMB_SET_POSIX_LOCK:
6917                 {
6918                         if (tran_call != TRANSACT2_SETFILEINFO) {
6919                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6920                                 return;
6921                         }
6922                         status = smb_set_posix_lock(conn, req,
6923                                                     pdata, total_data, fsp);
6924                         break;
6925                 }
6926
6927                 case SMB_POSIX_PATH_OPEN:
6928                 {
6929                         if (tran_call != TRANSACT2_SETPATHINFO) {
6930                                 /* We must have a pathname for this. */
6931                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6932                                 return;
6933                         }
6934
6935                         status = smb_posix_open(conn, req,
6936                                                 ppdata,
6937                                                 total_data,
6938                                                 fname,
6939                                                 &sbuf,
6940                                                 &data_return_size);
6941                         break;
6942                 }
6943
6944                 case SMB_POSIX_PATH_UNLINK:
6945                 {
6946                         if (tran_call != TRANSACT2_SETPATHINFO) {
6947                                 /* We must have a pathname for this. */
6948                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6949                                 return;
6950                         }
6951
6952                         status = smb_posix_unlink(conn, req,
6953                                                 pdata,
6954                                                 total_data,
6955                                                 fname,
6956                                                 &sbuf);
6957                         break;
6958                 }
6959
6960                 default:
6961                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6962                         return;
6963         }
6964
6965
6966         if (!NT_STATUS_IS_OK(status)) {
6967                 if (open_was_deferred(req->mid)) {
6968                         /* We have re-scheduled this call. */
6969                         return;
6970                 }
6971                 if (blocking_lock_was_deferred(req->mid)) {
6972                         /* We have re-scheduled this call. */
6973                         return;
6974                 }
6975                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
6976                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
6977                                         ERRSRV, ERRbadpath);
6978                         return;
6979                 }
6980                 if (info_level == SMB_POSIX_PATH_OPEN) {
6981                         reply_openerror(req, status);
6982                         return;
6983                 }
6984
6985                 reply_nterror(req, status);
6986                 return;
6987         }
6988
6989         SSVAL(params,0,0);
6990         send_trans2_replies(conn, req, params, 2, *ppdata, data_return_size,
6991                             max_data_bytes);
6992
6993         return;
6994 }
6995
6996 /****************************************************************************
6997  Reply to a TRANS2_MKDIR (make directory with extended attributes).
6998 ****************************************************************************/
6999
7000 static void call_trans2mkdir(connection_struct *conn, struct smb_request *req,
7001                              char **pparams, int total_params,
7002                              char **ppdata, int total_data,
7003                              unsigned int max_data_bytes)
7004 {
7005         char *params = *pparams;
7006         char *pdata = *ppdata;
7007         char *directory = NULL;
7008         SMB_STRUCT_STAT sbuf;
7009         NTSTATUS status = NT_STATUS_OK;
7010         struct ea_list *ea_list = NULL;
7011         TALLOC_CTX *ctx = talloc_tos();
7012
7013         if (!CAN_WRITE(conn)) {
7014                 reply_doserror(req, ERRSRV, ERRaccess);
7015                 return;
7016         }
7017
7018         if (total_params < 5) {
7019                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7020                 return;
7021         }
7022
7023         srvstr_get_path(ctx, params, req->flags2, &directory, &params[4],
7024                         total_params - 4, STR_TERMINATE,
7025                         &status);
7026         if (!NT_STATUS_IS_OK(status)) {
7027                 reply_nterror(req, status);
7028                 return;
7029         }
7030
7031         DEBUG(3,("call_trans2mkdir : name = %s\n", directory));
7032
7033         status = unix_convert(ctx, conn, directory, False, &directory, NULL, &sbuf);
7034         if (!NT_STATUS_IS_OK(status)) {
7035                 reply_nterror(req, status);
7036                 return;
7037         }
7038
7039         status = check_name(conn, directory);
7040         if (!NT_STATUS_IS_OK(status)) {
7041                 DEBUG(5,("call_trans2mkdir error (%s)\n", nt_errstr(status)));
7042                 reply_nterror(req, status);
7043                 return;
7044         }
7045
7046         /* Any data in this call is an EA list. */
7047         if (total_data && (total_data != 4) && !lp_ea_support(SNUM(conn))) {
7048                 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
7049                 return;
7050         }
7051
7052         /*
7053          * OS/2 workplace shell seems to send SET_EA requests of "null"
7054          * length (4 bytes containing IVAL 4).
7055          * They seem to have no effect. Bug #3212. JRA.
7056          */
7057
7058         if (total_data != 4) {
7059                 if (total_data < 10) {
7060                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7061                         return;
7062                 }
7063
7064                 if (IVAL(pdata,0) > total_data) {
7065                         DEBUG(10,("call_trans2mkdir: bad total data size (%u) > %u\n",
7066                                 IVAL(pdata,0), (unsigned int)total_data));
7067                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7068                         return;
7069                 }
7070
7071                 ea_list = read_ea_list(talloc_tos(), pdata + 4,
7072                                        total_data - 4);
7073                 if (!ea_list) {
7074                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7075                         return;
7076                 }
7077         }
7078         /* If total_data == 4 Windows doesn't care what values
7079          * are placed in that field, it just ignores them.
7080          * The System i QNTC IBM SMB client puts bad values here,
7081          * so ignore them. */
7082
7083         status = create_directory(conn, req, directory);
7084
7085         if (!NT_STATUS_IS_OK(status)) {
7086                 reply_nterror(req, status);
7087                 return;
7088         }
7089
7090         /* Try and set any given EA. */
7091         if (ea_list) {
7092                 status = set_ea(conn, NULL, directory, ea_list);
7093                 if (!NT_STATUS_IS_OK(status)) {
7094                         reply_nterror(req, status);
7095                         return;
7096                 }
7097         }
7098
7099         /* Realloc the parameter and data sizes */
7100         *pparams = (char *)SMB_REALLOC(*pparams,2);
7101         if(*pparams == NULL) {
7102                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7103                 return;
7104         }
7105         params = *pparams;
7106
7107         SSVAL(params,0,0);
7108
7109         send_trans2_replies(conn, req, params, 2, *ppdata, 0, max_data_bytes);
7110
7111         return;
7112 }
7113
7114 /****************************************************************************
7115  Reply to a TRANS2_FINDNOTIFYFIRST (start monitoring a directory for changes).
7116  We don't actually do this - we just send a null response.
7117 ****************************************************************************/
7118
7119 static void call_trans2findnotifyfirst(connection_struct *conn,
7120                                        struct smb_request *req,
7121                                        char **pparams, int total_params,
7122                                        char **ppdata, int total_data,
7123                                        unsigned int max_data_bytes)
7124 {
7125         static uint16 fnf_handle = 257;
7126         char *params = *pparams;
7127         uint16 info_level;
7128
7129         if (total_params < 6) {
7130                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7131                 return;
7132         }
7133
7134         info_level = SVAL(params,4);
7135         DEBUG(3,("call_trans2findnotifyfirst - info_level %d\n", info_level));
7136
7137         switch (info_level) {
7138                 case 1:
7139                 case 2:
7140                         break;
7141                 default:
7142                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7143                         return;
7144         }
7145
7146         /* Realloc the parameter and data sizes */
7147         *pparams = (char *)SMB_REALLOC(*pparams,6);
7148         if (*pparams == NULL) {
7149                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7150                 return;
7151         }
7152         params = *pparams;
7153
7154         SSVAL(params,0,fnf_handle);
7155         SSVAL(params,2,0); /* No changes */
7156         SSVAL(params,4,0); /* No EA errors */
7157
7158         fnf_handle++;
7159
7160         if(fnf_handle == 0)
7161                 fnf_handle = 257;
7162
7163         send_trans2_replies(conn, req, params, 6, *ppdata, 0, max_data_bytes);
7164
7165         return;
7166 }
7167
7168 /****************************************************************************
7169  Reply to a TRANS2_FINDNOTIFYNEXT (continue monitoring a directory for
7170  changes). Currently this does nothing.
7171 ****************************************************************************/
7172
7173 static void call_trans2findnotifynext(connection_struct *conn,
7174                                       struct smb_request *req,
7175                                       char **pparams, int total_params,
7176                                       char **ppdata, int total_data,
7177                                       unsigned int max_data_bytes)
7178 {
7179         char *params = *pparams;
7180
7181         DEBUG(3,("call_trans2findnotifynext\n"));
7182
7183         /* Realloc the parameter and data sizes */
7184         *pparams = (char *)SMB_REALLOC(*pparams,4);
7185         if (*pparams == NULL) {
7186                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7187                 return;
7188         }
7189         params = *pparams;
7190
7191         SSVAL(params,0,0); /* No changes */
7192         SSVAL(params,2,0); /* No EA errors */
7193
7194         send_trans2_replies(conn, req, params, 4, *ppdata, 0, max_data_bytes);
7195
7196         return;
7197 }
7198
7199 /****************************************************************************
7200  Reply to a TRANS2_GET_DFS_REFERRAL - Shirish Kalele <kalele@veritas.com>.
7201 ****************************************************************************/
7202
7203 static void call_trans2getdfsreferral(connection_struct *conn,
7204                                       struct smb_request *req,
7205                                       char **pparams, int total_params,
7206                                       char **ppdata, int total_data,
7207                                       unsigned int max_data_bytes)
7208 {
7209         char *params = *pparams;
7210         char *pathname = NULL;
7211         int reply_size = 0;
7212         int max_referral_level;
7213         NTSTATUS status = NT_STATUS_OK;
7214         TALLOC_CTX *ctx = talloc_tos();
7215
7216         DEBUG(10,("call_trans2getdfsreferral\n"));
7217
7218         if (total_params < 3) {
7219                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7220                 return;
7221         }
7222
7223         max_referral_level = SVAL(params,0);
7224
7225         if(!lp_host_msdfs()) {
7226                 reply_doserror(req, ERRDOS, ERRbadfunc);
7227                 return;
7228         }
7229
7230         srvstr_pull_talloc(ctx, params, req->flags2, &pathname, &params[2],
7231                     total_params - 2, STR_TERMINATE);
7232         if (!pathname) {
7233                 reply_nterror(req, NT_STATUS_NOT_FOUND);
7234                 return;
7235         }
7236         if((reply_size = setup_dfs_referral(conn, pathname, max_referral_level,
7237                                             ppdata,&status)) < 0) {
7238                 reply_nterror(req, status);
7239                 return;
7240         }
7241
7242         SSVAL(req->inbuf, smb_flg2,
7243               SVAL(req->inbuf,smb_flg2) | FLAGS2_DFS_PATHNAMES);
7244         send_trans2_replies(conn, req,0,0,*ppdata,reply_size, max_data_bytes);
7245
7246         return;
7247 }
7248
7249 #define LMCAT_SPL       0x53
7250 #define LMFUNC_GETJOBID 0x60
7251
7252 /****************************************************************************
7253  Reply to a TRANS2_IOCTL - used for OS/2 printing.
7254 ****************************************************************************/
7255
7256 static void call_trans2ioctl(connection_struct *conn,
7257                              struct smb_request *req,
7258                              char **pparams, int total_params,
7259                              char **ppdata, int total_data,
7260                              unsigned int max_data_bytes)
7261 {
7262         char *pdata = *ppdata;
7263         files_struct *fsp = file_fsp(req, SVAL(req->vwv+15, 0));
7264
7265         /* check for an invalid fid before proceeding */
7266
7267         if (!fsp) {
7268                 reply_doserror(req, ERRDOS, ERRbadfid);
7269                 return;
7270         }
7271
7272         if ((SVAL(req->inbuf,(smb_setup+4)) == LMCAT_SPL)
7273             && (SVAL(req->inbuf,(smb_setup+6)) == LMFUNC_GETJOBID)) {
7274                 *ppdata = (char *)SMB_REALLOC(*ppdata, 32);
7275                 if (*ppdata == NULL) {
7276                         reply_nterror(req, NT_STATUS_NO_MEMORY);
7277                         return;
7278                 }
7279                 pdata = *ppdata;
7280
7281                 /* NOTE - THIS IS ASCII ONLY AT THE MOMENT - NOT SURE IF OS/2
7282                         CAN ACCEPT THIS IN UNICODE. JRA. */
7283
7284                 SSVAL(pdata,0,fsp->rap_print_jobid);                     /* Job number */
7285                 srvstr_push(pdata, req->flags2, pdata + 2,
7286                             global_myname(), 15,
7287                             STR_ASCII|STR_TERMINATE); /* Our NetBIOS name */
7288                 srvstr_push(pdata, req->flags2, pdata+18,
7289                             lp_servicename(SNUM(conn)), 13,
7290                             STR_ASCII|STR_TERMINATE); /* Service name */
7291                 send_trans2_replies(conn, req, *pparams, 0, *ppdata, 32,
7292                                     max_data_bytes);
7293                 return;
7294         }
7295
7296         DEBUG(2,("Unknown TRANS2_IOCTL\n"));
7297         reply_doserror(req, ERRSRV, ERRerror);
7298 }
7299
7300 /****************************************************************************
7301  Reply to a SMBfindclose (stop trans2 directory search).
7302 ****************************************************************************/
7303
7304 void reply_findclose(struct smb_request *req)
7305 {
7306         int dptr_num;
7307
7308         START_PROFILE(SMBfindclose);
7309
7310         if (req->wct < 1) {
7311                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7312                 END_PROFILE(SMBfindclose);
7313                 return;
7314         }
7315
7316         dptr_num = SVALS(req->vwv+0, 0);
7317
7318         DEBUG(3,("reply_findclose, dptr_num = %d\n", dptr_num));
7319
7320         dptr_close(&dptr_num);
7321
7322         reply_outbuf(req, 0, 0);
7323
7324         DEBUG(3,("SMBfindclose dptr_num = %d\n", dptr_num));
7325
7326         END_PROFILE(SMBfindclose);
7327         return;
7328 }
7329
7330 /****************************************************************************
7331  Reply to a SMBfindnclose (stop FINDNOTIFYFIRST directory search).
7332 ****************************************************************************/
7333
7334 void reply_findnclose(struct smb_request *req)
7335 {
7336         int dptr_num;
7337
7338         START_PROFILE(SMBfindnclose);
7339
7340         if (req->wct < 1) {
7341                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7342                 END_PROFILE(SMBfindnclose);
7343                 return;
7344         }
7345
7346         dptr_num = SVAL(req->vwv+0, 0);
7347
7348         DEBUG(3,("reply_findnclose, dptr_num = %d\n", dptr_num));
7349
7350         /* We never give out valid handles for a
7351            findnotifyfirst - so any dptr_num is ok here.
7352            Just ignore it. */
7353
7354         reply_outbuf(req, 0, 0);
7355
7356         DEBUG(3,("SMB_findnclose dptr_num = %d\n", dptr_num));
7357
7358         END_PROFILE(SMBfindnclose);
7359         return;
7360 }
7361
7362 static void handle_trans2(connection_struct *conn, struct smb_request *req,
7363                           struct trans_state *state)
7364 {
7365         if (Protocol >= PROTOCOL_NT1) {
7366                 req->flags2 |= 0x40; /* IS_LONG_NAME */
7367                 SSVAL(req->inbuf,smb_flg2,req->flags2);
7368         }
7369
7370         if (conn->encrypt_level == Required && !req->encrypted) {
7371                 if (state->call != TRANSACT2_QFSINFO &&
7372                                 state->call != TRANSACT2_SETFSINFO) {
7373                         DEBUG(0,("handle_trans2: encryption required "
7374                                 "with call 0x%x\n",
7375                                 (unsigned int)state->call));
7376                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
7377                         return;
7378                 }
7379         }
7380
7381         /* Now we must call the relevant TRANS2 function */
7382         switch(state->call)  {
7383         case TRANSACT2_OPEN:
7384         {
7385                 START_PROFILE(Trans2_open);
7386                 call_trans2open(conn, req,
7387                                 &state->param, state->total_param,
7388                                 &state->data, state->total_data,
7389                                 state->max_data_return);
7390                 END_PROFILE(Trans2_open);
7391                 break;
7392         }
7393
7394         case TRANSACT2_FINDFIRST:
7395         {
7396                 START_PROFILE(Trans2_findfirst);
7397                 call_trans2findfirst(conn, req,
7398                                      &state->param, state->total_param,
7399                                      &state->data, state->total_data,
7400                                      state->max_data_return);
7401                 END_PROFILE(Trans2_findfirst);
7402                 break;
7403         }
7404
7405         case TRANSACT2_FINDNEXT:
7406         {
7407                 START_PROFILE(Trans2_findnext);
7408                 call_trans2findnext(conn, req,
7409                                     &state->param, state->total_param,
7410                                     &state->data, state->total_data,
7411                                     state->max_data_return);
7412                 END_PROFILE(Trans2_findnext);
7413                 break;
7414         }
7415
7416         case TRANSACT2_QFSINFO:
7417         {
7418                 START_PROFILE(Trans2_qfsinfo);
7419                 call_trans2qfsinfo(conn, req,
7420                                    &state->param, state->total_param,
7421                                    &state->data, state->total_data,
7422                                    state->max_data_return);
7423                 END_PROFILE(Trans2_qfsinfo);
7424             break;
7425         }
7426
7427         case TRANSACT2_SETFSINFO:
7428         {
7429                 START_PROFILE(Trans2_setfsinfo);
7430                 call_trans2setfsinfo(conn, req,
7431                                      &state->param, state->total_param,
7432                                      &state->data, state->total_data,
7433                                      state->max_data_return);
7434                 END_PROFILE(Trans2_setfsinfo);
7435                 break;
7436         }
7437
7438         case TRANSACT2_QPATHINFO:
7439         case TRANSACT2_QFILEINFO:
7440         {
7441                 START_PROFILE(Trans2_qpathinfo);
7442                 call_trans2qfilepathinfo(conn, req, state->call,
7443                                          &state->param, state->total_param,
7444                                          &state->data, state->total_data,
7445                                          state->max_data_return);
7446                 END_PROFILE(Trans2_qpathinfo);
7447                 break;
7448         }
7449
7450         case TRANSACT2_SETPATHINFO:
7451         case TRANSACT2_SETFILEINFO:
7452         {
7453                 START_PROFILE(Trans2_setpathinfo);
7454                 call_trans2setfilepathinfo(conn, req, state->call,
7455                                            &state->param, state->total_param,
7456                                            &state->data, state->total_data,
7457                                            state->max_data_return);
7458                 END_PROFILE(Trans2_setpathinfo);
7459                 break;
7460         }
7461
7462         case TRANSACT2_FINDNOTIFYFIRST:
7463         {
7464                 START_PROFILE(Trans2_findnotifyfirst);
7465                 call_trans2findnotifyfirst(conn, req,
7466                                            &state->param, state->total_param,
7467                                            &state->data, state->total_data,
7468                                            state->max_data_return);
7469                 END_PROFILE(Trans2_findnotifyfirst);
7470                 break;
7471         }
7472
7473         case TRANSACT2_FINDNOTIFYNEXT:
7474         {
7475                 START_PROFILE(Trans2_findnotifynext);
7476                 call_trans2findnotifynext(conn, req,
7477                                           &state->param, state->total_param,
7478                                           &state->data, state->total_data,
7479                                           state->max_data_return);
7480                 END_PROFILE(Trans2_findnotifynext);
7481                 break;
7482         }
7483
7484         case TRANSACT2_MKDIR:
7485         {
7486                 START_PROFILE(Trans2_mkdir);
7487                 call_trans2mkdir(conn, req,
7488                                  &state->param, state->total_param,
7489                                  &state->data, state->total_data,
7490                                  state->max_data_return);
7491                 END_PROFILE(Trans2_mkdir);
7492                 break;
7493         }
7494
7495         case TRANSACT2_GET_DFS_REFERRAL:
7496         {
7497                 START_PROFILE(Trans2_get_dfs_referral);
7498                 call_trans2getdfsreferral(conn, req,
7499                                           &state->param, state->total_param,
7500                                           &state->data, state->total_data,
7501                                           state->max_data_return);
7502                 END_PROFILE(Trans2_get_dfs_referral);
7503                 break;
7504         }
7505
7506         case TRANSACT2_IOCTL:
7507         {
7508                 START_PROFILE(Trans2_ioctl);
7509                 call_trans2ioctl(conn, req,
7510                                  &state->param, state->total_param,
7511                                  &state->data, state->total_data,
7512                                  state->max_data_return);
7513                 END_PROFILE(Trans2_ioctl);
7514                 break;
7515         }
7516
7517         default:
7518                 /* Error in request */
7519                 DEBUG(2,("Unknown request %d in trans2 call\n", state->call));
7520                 reply_doserror(req, ERRSRV,ERRerror);
7521         }
7522 }
7523
7524 /****************************************************************************
7525  Reply to a SMBtrans2.
7526  ****************************************************************************/
7527
7528 void reply_trans2(struct smb_request *req)
7529 {
7530         connection_struct *conn = req->conn;
7531         unsigned int dsoff;
7532         unsigned int dscnt;
7533         unsigned int psoff;
7534         unsigned int pscnt;
7535         unsigned int tran_call;
7536         unsigned int size;
7537         unsigned int av_size;
7538         struct trans_state *state;
7539         NTSTATUS result;
7540
7541         START_PROFILE(SMBtrans2);
7542
7543         if (req->wct < 14) {
7544                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7545                 END_PROFILE(SMBtrans2);
7546                 return;
7547         }
7548
7549         dsoff = SVAL(req->vwv+12, 0);
7550         dscnt = SVAL(req->vwv+11, 0);
7551         psoff = SVAL(req->vwv+10, 0);
7552         pscnt = SVAL(req->vwv+9, 0);
7553         tran_call = SVAL(req->vwv+14, 0);
7554         size = smb_len(req->inbuf) + 4;
7555         av_size = smb_len(req->inbuf);
7556
7557         result = allow_new_trans(conn->pending_trans, req->mid);
7558         if (!NT_STATUS_IS_OK(result)) {
7559                 DEBUG(2, ("Got invalid trans2 request: %s\n",
7560                           nt_errstr(result)));
7561                 reply_nterror(req, result);
7562                 END_PROFILE(SMBtrans2);
7563                 return;
7564         }
7565
7566         if (IS_IPC(conn)) {
7567                 switch (tran_call) {
7568                 /* List the allowed trans2 calls on IPC$ */
7569                 case TRANSACT2_OPEN:
7570                 case TRANSACT2_GET_DFS_REFERRAL:
7571                 case TRANSACT2_QFILEINFO:
7572                 case TRANSACT2_QFSINFO:
7573                 case TRANSACT2_SETFSINFO:
7574                         break;
7575                 default:
7576                         reply_doserror(req, ERRSRV, ERRaccess);
7577                         END_PROFILE(SMBtrans2);
7578                         return;
7579                 }
7580         }
7581
7582         if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
7583                 DEBUG(0, ("talloc failed\n"));
7584                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7585                 END_PROFILE(SMBtrans2);
7586                 return;
7587         }
7588
7589         state->cmd = SMBtrans2;
7590
7591         state->mid = req->mid;
7592         state->vuid = req->vuid;
7593         state->setup_count = SVAL(req->vwv+13, 0);
7594         state->setup = NULL;
7595         state->total_param = SVAL(req->vwv+0, 0);
7596         state->param = NULL;
7597         state->total_data =  SVAL(req->vwv+1, 0);
7598         state->data = NULL;
7599         state->max_param_return = SVAL(req->vwv+2, 0);
7600         state->max_data_return  = SVAL(req->vwv+3, 0);
7601         state->max_setup_return = SVAL(req->vwv+4, 0);
7602         state->close_on_completion = BITSETW(req->vwv+5, 0);
7603         state->one_way = BITSETW(req->vwv+5, 1);
7604
7605         state->call = tran_call;
7606
7607         /* All trans2 messages we handle have smb_sucnt == 1 - ensure this
7608            is so as a sanity check */
7609         if (state->setup_count != 1) {
7610                 /*
7611                  * Need to have rc=0 for ioctl to get job id for OS/2.
7612                  *  Network printing will fail if function is not successful.
7613                  *  Similar function in reply.c will be used if protocol
7614                  *  is LANMAN1.0 instead of LM1.2X002.
7615                  *  Until DosPrintSetJobInfo with PRJINFO3 is supported,
7616                  *  outbuf doesn't have to be set(only job id is used).
7617                  */
7618                 if ( (state->setup_count == 4)
7619                      && (tran_call == TRANSACT2_IOCTL)
7620                      && (SVAL(req->inbuf,(smb_setup+4)) == LMCAT_SPL)
7621                      && (SVAL(req->inbuf,(smb_setup+6)) == LMFUNC_GETJOBID)) {
7622                         DEBUG(2,("Got Trans2 DevIOctl jobid\n"));
7623                 } else {
7624                         DEBUG(2,("Invalid smb_sucnt in trans2 call(%u)\n",state->setup_count));
7625                         DEBUG(2,("Transaction is %d\n",tran_call));
7626                         TALLOC_FREE(state);
7627                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7628                         END_PROFILE(SMBtrans2);
7629                         return;
7630                 }
7631         }
7632
7633         if ((dscnt > state->total_data) || (pscnt > state->total_param))
7634                 goto bad_param;
7635
7636         if (state->total_data) {
7637                 /* Can't use talloc here, the core routines do realloc on the
7638                  * params and data. */
7639                 state->data = (char *)SMB_MALLOC(state->total_data);
7640                 if (state->data == NULL) {
7641                         DEBUG(0,("reply_trans2: data malloc fail for %u "
7642                                  "bytes !\n", (unsigned int)state->total_data));
7643                         TALLOC_FREE(state);
7644                         reply_nterror(req, NT_STATUS_NO_MEMORY);
7645                         END_PROFILE(SMBtrans2);
7646                         return;
7647                 }
7648
7649                 if (dscnt > state->total_data ||
7650                                 dsoff+dscnt < dsoff) {
7651                         goto bad_param;
7652                 }
7653
7654                 if (dsoff > av_size ||
7655                                 dscnt > av_size ||
7656                                 dsoff+dscnt > av_size) {
7657                         goto bad_param;
7658                 }
7659
7660                 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
7661         }
7662
7663         if (state->total_param) {
7664                 /* Can't use talloc here, the core routines do realloc on the
7665                  * params and data. */
7666                 state->param = (char *)SMB_MALLOC(state->total_param);
7667                 if (state->param == NULL) {
7668                         DEBUG(0,("reply_trans: param malloc fail for %u "
7669                                  "bytes !\n", (unsigned int)state->total_param));
7670                         SAFE_FREE(state->data);
7671                         TALLOC_FREE(state);
7672                         reply_nterror(req, NT_STATUS_NO_MEMORY);
7673                         END_PROFILE(SMBtrans2);
7674                         return;
7675                 }
7676
7677                 if (pscnt > state->total_param ||
7678                                 psoff+pscnt < psoff) {
7679                         goto bad_param;
7680                 }
7681
7682                 if (psoff > av_size ||
7683                                 pscnt > av_size ||
7684                                 psoff+pscnt > av_size) {
7685                         goto bad_param;
7686                 }
7687
7688                 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
7689         }
7690
7691         state->received_data  = dscnt;
7692         state->received_param = pscnt;
7693
7694         if ((state->received_param == state->total_param) &&
7695             (state->received_data == state->total_data)) {
7696
7697                 handle_trans2(conn, req, state);
7698
7699                 SAFE_FREE(state->data);
7700                 SAFE_FREE(state->param);
7701                 TALLOC_FREE(state);
7702                 END_PROFILE(SMBtrans2);
7703                 return;
7704         }
7705
7706         DLIST_ADD(conn->pending_trans, state);
7707
7708         /* We need to send an interim response then receive the rest
7709            of the parameter/data bytes */
7710         reply_outbuf(req, 0, 0);
7711         show_msg((char *)req->outbuf);
7712         END_PROFILE(SMBtrans2);
7713         return;
7714
7715   bad_param:
7716
7717         DEBUG(0,("reply_trans2: invalid trans parameters\n"));
7718         SAFE_FREE(state->data);
7719         SAFE_FREE(state->param);
7720         TALLOC_FREE(state);
7721         END_PROFILE(SMBtrans2);
7722         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7723 }
7724
7725
7726 /****************************************************************************
7727  Reply to a SMBtranss2
7728  ****************************************************************************/
7729
7730 void reply_transs2(struct smb_request *req)
7731 {
7732         connection_struct *conn = req->conn;
7733         unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
7734         struct trans_state *state;
7735         unsigned int size;
7736         unsigned int av_size;
7737
7738         START_PROFILE(SMBtranss2);
7739
7740         show_msg((char *)req->inbuf);
7741
7742         if (req->wct < 8) {
7743                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7744                 END_PROFILE(SMBtranss2);
7745                 return;
7746         }
7747
7748         size = smb_len(req->inbuf)+4;
7749         av_size = smb_len(req->inbuf);
7750
7751         for (state = conn->pending_trans; state != NULL;
7752              state = state->next) {
7753                 if (state->mid == req->mid) {
7754                         break;
7755                 }
7756         }
7757
7758         if ((state == NULL) || (state->cmd != SMBtrans2)) {
7759                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7760                 END_PROFILE(SMBtranss2);
7761                 return;
7762         }
7763
7764         /* Revise state->total_param and state->total_data in case they have
7765            changed downwards */
7766
7767         if (SVAL(req->vwv+0, 0) < state->total_param)
7768                 state->total_param = SVAL(req->vwv+0, 0);
7769         if (SVAL(req->vwv+1, 0) < state->total_data)
7770                 state->total_data = SVAL(req->vwv+1, 0);
7771
7772         pcnt = SVAL(req->vwv+2, 0);
7773         poff = SVAL(req->vwv+3, 0);
7774         pdisp = SVAL(req->vwv+4, 0);
7775
7776         dcnt = SVAL(req->vwv+5, 0);
7777         doff = SVAL(req->vwv+6, 0);
7778         ddisp = SVAL(req->vwv+7, 0);
7779
7780         state->received_param += pcnt;
7781         state->received_data += dcnt;
7782
7783         if ((state->received_data > state->total_data) ||
7784             (state->received_param > state->total_param))
7785                 goto bad_param;
7786
7787         if (pcnt) {
7788                 if (pdisp > state->total_param ||
7789                                 pcnt > state->total_param ||
7790                                 pdisp+pcnt > state->total_param ||
7791                                 pdisp+pcnt < pdisp) {
7792                         goto bad_param;
7793                 }
7794
7795                 if (poff > av_size ||
7796                                 pcnt > av_size ||
7797                                 poff+pcnt > av_size ||
7798                                 poff+pcnt < poff) {
7799                         goto bad_param;
7800                 }
7801
7802                 memcpy(state->param+pdisp,smb_base(req->inbuf)+poff,
7803                        pcnt);
7804         }
7805
7806         if (dcnt) {
7807                 if (ddisp > state->total_data ||
7808                                 dcnt > state->total_data ||
7809                                 ddisp+dcnt > state->total_data ||
7810                                 ddisp+dcnt < ddisp) {
7811                         goto bad_param;
7812                 }
7813
7814                 if (doff > av_size ||
7815                                 dcnt > av_size ||
7816                                 doff+dcnt > av_size ||
7817                                 doff+dcnt < doff) {
7818                         goto bad_param;
7819                 }
7820
7821                 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,
7822                        dcnt);
7823         }
7824
7825         if ((state->received_param < state->total_param) ||
7826             (state->received_data < state->total_data)) {
7827                 END_PROFILE(SMBtranss2);
7828                 return;
7829         }
7830
7831         handle_trans2(conn, req, state);
7832
7833         DLIST_REMOVE(conn->pending_trans, state);
7834         SAFE_FREE(state->data);
7835         SAFE_FREE(state->param);
7836         TALLOC_FREE(state);
7837
7838         END_PROFILE(SMBtranss2);
7839         return;
7840
7841   bad_param:
7842
7843         DEBUG(0,("reply_transs2: invalid trans parameters\n"));
7844         DLIST_REMOVE(conn->pending_trans, state);
7845         SAFE_FREE(state->data);
7846         SAFE_FREE(state->param);
7847         TALLOC_FREE(state);
7848         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7849         END_PROFILE(SMBtranss2);
7850         return;
7851 }