source3/smbd/trans2.c

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