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                 struct smb_filename *smb_fname = NULL;
5067                 NTSTATUS status;
5068
5069                 status = create_synthetic_smb_fname_split(talloc_tos(), fname,
5070                                                           psbuf, &smb_fname);
5071                 if (!NT_STATUS_IS_OK(status)) {
5072                         return status;
5073                 }
5074
5075                 DEBUG(10,("smb_set_file_dosmode: file %s : setting dos mode 0x%x\n",
5076                                         fname, (unsigned int)dosmode ));
5077
5078                 if(file_set_dosmode(conn, smb_fname, dosmode, NULL, false)) {
5079                         DEBUG(2,("smb_set_file_dosmode: file_set_dosmode of %s failed (%s)\n",
5080                                                 fname, strerror(errno)));
5081                         TALLOC_FREE(smb_fname);
5082                         return map_nt_error_from_unix(errno);
5083                 }
5084                 *psbuf = smb_fname->st;
5085                 TALLOC_FREE(smb_fname);
5086         }
5087         return NT_STATUS_OK;
5088 }
5089
5090 /****************************************************************************
5091  Deal with setting the size from any of the setfilepathinfo functions.
5092 ****************************************************************************/
5093
5094 static NTSTATUS smb_set_file_size(connection_struct *conn,
5095                                   struct smb_request *req,
5096                                   files_struct *fsp,
5097                                   const struct smb_filename *smb_fname,
5098                                   const SMB_STRUCT_STAT *psbuf,
5099                                   SMB_OFF_T size)
5100 {
5101         NTSTATUS status = NT_STATUS_OK;
5102         struct smb_filename *smb_fname_tmp = NULL;
5103         files_struct *new_fsp = NULL;
5104
5105         if (!VALID_STAT(*psbuf)) {
5106                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5107         }
5108
5109         DEBUG(6,("smb_set_file_size: size: %.0f ", (double)size));
5110
5111         if (size == get_file_size_stat(psbuf)) {
5112                 return NT_STATUS_OK;
5113         }
5114
5115         DEBUG(10,("smb_set_file_size: file %s : setting new size to %.0f\n",
5116                   smb_fname_str_dbg(smb_fname), (double)size));
5117
5118         if (fsp && fsp->fh->fd != -1) {
5119                 /* Handle based call. */
5120                 if (vfs_set_filelen(fsp, size) == -1) {
5121                         return map_nt_error_from_unix(errno);
5122                 }
5123                 trigger_write_time_update_immediate(fsp);
5124                 return NT_STATUS_OK;
5125         }
5126
5127         status = copy_smb_filename(talloc_tos(), smb_fname, &smb_fname_tmp);
5128         if (!NT_STATUS_IS_OK(status)) {
5129                 return status;
5130         }
5131
5132         smb_fname_tmp->st = *psbuf;
5133
5134         status = SMB_VFS_CREATE_FILE(
5135                 conn,                                   /* conn */
5136                 req,                                    /* req */
5137                 0,                                      /* root_dir_fid */
5138                 smb_fname_tmp,                          /* fname */
5139                 FILE_WRITE_ATTRIBUTES,                  /* access_mask */
5140                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
5141                     FILE_SHARE_DELETE),
5142                 FILE_OPEN,                              /* create_disposition*/
5143                 0,                                      /* create_options */
5144                 FILE_ATTRIBUTE_NORMAL,                  /* file_attributes */
5145                 FORCE_OPLOCK_BREAK_TO_NONE,             /* oplock_request */
5146                 0,                                      /* allocation_size */
5147                 NULL,                                   /* sd */
5148                 NULL,                                   /* ea_list */
5149                 &new_fsp,                               /* result */
5150                 NULL);                                  /* pinfo */
5151
5152         TALLOC_FREE(smb_fname_tmp);
5153
5154         if (!NT_STATUS_IS_OK(status)) {
5155                 /* NB. We check for open_was_deferred in the caller. */
5156                 return status;
5157         }
5158
5159         if (vfs_set_filelen(new_fsp, size) == -1) {
5160                 status = map_nt_error_from_unix(errno);
5161                 close_file(req, new_fsp,NORMAL_CLOSE);
5162                 return status;
5163         }
5164
5165         trigger_write_time_update_immediate(new_fsp);
5166         close_file(req, new_fsp,NORMAL_CLOSE);
5167         return NT_STATUS_OK;
5168 }
5169
5170 /****************************************************************************
5171  Deal with SMB_INFO_SET_EA.
5172 ****************************************************************************/
5173
5174 static NTSTATUS smb_info_set_ea(connection_struct *conn,
5175                                 const char *pdata,
5176                                 int total_data,
5177                                 files_struct *fsp,
5178                                 const struct smb_filename *smb_fname)
5179 {
5180         struct ea_list *ea_list = NULL;
5181         TALLOC_CTX *ctx = NULL;
5182         NTSTATUS status = NT_STATUS_OK;
5183
5184         if (total_data < 10) {
5185
5186                 /* OS/2 workplace shell seems to send SET_EA requests of "null"
5187                    length. They seem to have no effect. Bug #3212. JRA */
5188
5189                 if ((total_data == 4) && (IVAL(pdata,0) == 4)) {
5190                         /* We're done. We only get EA info in this call. */
5191                         return NT_STATUS_OK;
5192                 }
5193
5194                 return NT_STATUS_INVALID_PARAMETER;
5195         }
5196
5197         if (IVAL(pdata,0) > total_data) {
5198                 DEBUG(10,("smb_info_set_ea: bad total data size (%u) > %u\n",
5199                         IVAL(pdata,0), (unsigned int)total_data));
5200                 return NT_STATUS_INVALID_PARAMETER;
5201         }
5202
5203         ctx = talloc_tos();
5204         ea_list = read_ea_list(ctx, pdata + 4, total_data - 4);
5205         if (!ea_list) {
5206                 return NT_STATUS_INVALID_PARAMETER;
5207         }
5208         status = set_ea(conn, fsp, smb_fname, ea_list);
5209
5210         return status;
5211 }
5212
5213 /****************************************************************************
5214  Deal with SMB_SET_FILE_DISPOSITION_INFO.
5215 ****************************************************************************/
5216
5217 static NTSTATUS smb_set_file_disposition_info(connection_struct *conn,
5218                                 const char *pdata,
5219                                 int total_data,
5220                                 files_struct *fsp,
5221                                 const char *fname,
5222                                 SMB_STRUCT_STAT *psbuf)
5223 {
5224         NTSTATUS status = NT_STATUS_OK;
5225         bool delete_on_close;
5226         uint32 dosmode = 0;
5227
5228         if (total_data < 1) {
5229                 return NT_STATUS_INVALID_PARAMETER;
5230         }
5231
5232         if (fsp == NULL) {
5233                 return NT_STATUS_INVALID_HANDLE;
5234         }
5235
5236         delete_on_close = (CVAL(pdata,0) ? True : False);
5237         dosmode = dos_mode(conn, fname, psbuf);
5238
5239         DEBUG(10,("smb_set_file_disposition_info: file %s, dosmode = %u, "
5240                 "delete_on_close = %u\n",
5241                 fsp->fsp_name,
5242                 (unsigned int)dosmode,
5243                 (unsigned int)delete_on_close ));
5244
5245         status = can_set_delete_on_close(fsp, delete_on_close, dosmode);
5246
5247         if (!NT_STATUS_IS_OK(status)) {
5248                 return status;
5249         }
5250
5251         /* The set is across all open files on this dev/inode pair. */
5252         if (!set_delete_on_close(fsp, delete_on_close,
5253                                  &conn->server_info->utok)) {
5254                 return NT_STATUS_ACCESS_DENIED;
5255         }
5256         return NT_STATUS_OK;
5257 }
5258
5259 /****************************************************************************
5260  Deal with SMB_FILE_POSITION_INFORMATION.
5261 ****************************************************************************/
5262
5263 static NTSTATUS smb_file_position_information(connection_struct *conn,
5264                                 const char *pdata,
5265                                 int total_data,
5266                                 files_struct *fsp)
5267 {
5268         uint64_t position_information;
5269
5270         if (total_data < 8) {
5271                 return NT_STATUS_INVALID_PARAMETER;
5272         }
5273
5274         if (fsp == NULL) {
5275                 /* Ignore on pathname based set. */
5276                 return NT_STATUS_OK;
5277         }
5278
5279         position_information = (uint64_t)IVAL(pdata,0);
5280 #ifdef LARGE_SMB_OFF_T
5281         position_information |= (((uint64_t)IVAL(pdata,4)) << 32);
5282 #else /* LARGE_SMB_OFF_T */
5283         if (IVAL(pdata,4) != 0) {
5284                 /* more than 32 bits? */
5285                 return NT_STATUS_INVALID_PARAMETER;
5286         }
5287 #endif /* LARGE_SMB_OFF_T */
5288
5289         DEBUG(10,("smb_file_position_information: Set file position information for file %s to %.0f\n",
5290                 fsp->fsp_name, (double)position_information ));
5291         fsp->fh->position_information = position_information;
5292         return NT_STATUS_OK;
5293 }
5294
5295 /****************************************************************************
5296  Deal with SMB_FILE_MODE_INFORMATION.
5297 ****************************************************************************/
5298
5299 static NTSTATUS smb_file_mode_information(connection_struct *conn,
5300                                 const char *pdata,
5301                                 int total_data)
5302 {
5303         uint32 mode;
5304
5305         if (total_data < 4) {
5306                 return NT_STATUS_INVALID_PARAMETER;
5307         }
5308         mode = IVAL(pdata,0);
5309         if (mode != 0 && mode != 2 && mode != 4 && mode != 6) {
5310                 return NT_STATUS_INVALID_PARAMETER;
5311         }
5312         return NT_STATUS_OK;
5313 }
5314
5315 /****************************************************************************
5316  Deal with SMB_SET_FILE_UNIX_LINK (create a UNIX symlink).
5317 ****************************************************************************/
5318
5319 static NTSTATUS smb_set_file_unix_link(connection_struct *conn,
5320                                        struct smb_request *req,
5321                                        const char *pdata,
5322                                        int total_data,
5323                                        const char *fname)
5324 {
5325         char *link_target = NULL;
5326         const char *newname = fname;
5327         NTSTATUS status = NT_STATUS_OK;
5328         TALLOC_CTX *ctx = talloc_tos();
5329
5330         /* Set a symbolic link. */
5331         /* Don't allow this if follow links is false. */
5332
5333         if (total_data == 0) {
5334                 return NT_STATUS_INVALID_PARAMETER;
5335         }
5336
5337         if (!lp_symlinks(SNUM(conn))) {
5338                 return NT_STATUS_ACCESS_DENIED;
5339         }
5340
5341         srvstr_pull_talloc(ctx, pdata, req->flags2, &link_target, pdata,
5342                     total_data, STR_TERMINATE);
5343
5344         if (!link_target) {
5345                 return NT_STATUS_INVALID_PARAMETER;
5346         }
5347
5348         /* !widelinks forces the target path to be within the share. */
5349         /* This means we can interpret the target as a pathname. */
5350         if (!lp_widelinks(SNUM(conn))) {
5351                 char *rel_name = NULL;
5352                 char *last_dirp = NULL;
5353
5354                 if (*link_target == '/') {
5355                         /* No absolute paths allowed. */
5356                         return NT_STATUS_ACCESS_DENIED;
5357                 }
5358                 rel_name = talloc_strdup(ctx,newname);
5359                 if (!rel_name) {
5360                         return NT_STATUS_NO_MEMORY;
5361                 }
5362                 last_dirp = strrchr_m(rel_name, '/');
5363                 if (last_dirp) {
5364                         last_dirp[1] = '\0';
5365                 } else {
5366                         rel_name = talloc_strdup(ctx,"./");
5367                         if (!rel_name) {
5368                                 return NT_STATUS_NO_MEMORY;
5369                         }
5370                 }
5371                 rel_name = talloc_asprintf_append(rel_name,
5372                                 "%s",
5373                                 link_target);
5374                 if (!rel_name) {
5375                         return NT_STATUS_NO_MEMORY;
5376                 }
5377
5378                 status = check_name(conn, rel_name);
5379                 if (!NT_STATUS_IS_OK(status)) {
5380                         return status;
5381                 }
5382         }
5383
5384         DEBUG(10,("smb_set_file_unix_link: SMB_SET_FILE_UNIX_LINK doing symlink %s -> %s\n",
5385                         newname, link_target ));
5386
5387         if (SMB_VFS_SYMLINK(conn,link_target,newname) != 0) {
5388                 return map_nt_error_from_unix(errno);
5389         }
5390
5391         return NT_STATUS_OK;
5392 }
5393
5394 /****************************************************************************
5395  Deal with SMB_SET_FILE_UNIX_HLINK (create a UNIX hard link).
5396 ****************************************************************************/
5397
5398 static NTSTATUS smb_set_file_unix_hlink(connection_struct *conn,
5399                                         struct smb_request *req,
5400                                         const char *pdata, int total_data,
5401                                         const struct smb_filename *smb_fname_new)
5402 {
5403         char *oldname = NULL;
5404         struct smb_filename *smb_fname_old = NULL;
5405         TALLOC_CTX *ctx = talloc_tos();
5406         NTSTATUS status = NT_STATUS_OK;
5407
5408         /* Set a hard link. */
5409         if (total_data == 0) {
5410                 return NT_STATUS_INVALID_PARAMETER;
5411         }
5412
5413         srvstr_get_path(ctx, pdata, req->flags2, &oldname, pdata,
5414                         total_data, STR_TERMINATE, &status);
5415         if (!NT_STATUS_IS_OK(status)) {
5416                 return status;
5417         }
5418
5419         DEBUG(10,("smb_set_file_unix_hlink: SMB_SET_FILE_UNIX_LINK doing hard link %s -> %s\n",
5420                 smb_fname_str_dbg(smb_fname_new), oldname));
5421
5422         status = filename_convert(ctx,
5423                                 conn,
5424                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
5425                                 oldname,
5426                                 &smb_fname_old,
5427                                 NULL);
5428         if (!NT_STATUS_IS_OK(status)) {
5429                 return status;
5430         }
5431
5432         return hardlink_internals(ctx, conn, smb_fname_old, smb_fname_new);
5433 }
5434
5435 /****************************************************************************
5436  Deal with SMB_FILE_RENAME_INFORMATION.
5437 ****************************************************************************/
5438
5439 static NTSTATUS smb_file_rename_information(connection_struct *conn,
5440                                             struct smb_request *req,
5441                                             const char *pdata,
5442                                             int total_data,
5443                                             files_struct *fsp,
5444                                             const char *fname)
5445 {
5446         bool overwrite;
5447         uint32 root_fid;
5448         uint32 len;
5449         char *newname = NULL;
5450         char *base_name = NULL;
5451         struct smb_filename *smb_fname = NULL;
5452         bool dest_has_wcard = False;
5453         NTSTATUS status = NT_STATUS_OK;
5454         char *p;
5455         TALLOC_CTX *ctx = talloc_tos();
5456
5457         if (total_data < 13) {
5458                 return NT_STATUS_INVALID_PARAMETER;
5459         }
5460
5461         overwrite = (CVAL(pdata,0) ? True : False);
5462         root_fid = IVAL(pdata,4);
5463         len = IVAL(pdata,8);
5464
5465         if (len > (total_data - 12) || (len == 0) || (root_fid != 0)) {
5466                 return NT_STATUS_INVALID_PARAMETER;
5467         }
5468
5469         srvstr_get_path_wcard(ctx, pdata, req->flags2, &newname, &pdata[12],
5470                               len, 0, &status,
5471                               &dest_has_wcard);
5472         if (!NT_STATUS_IS_OK(status)) {
5473                 return status;
5474         }
5475
5476         DEBUG(10,("smb_file_rename_information: got name |%s|\n",
5477                                 newname));
5478
5479         status = resolve_dfspath_wcard(ctx, conn,
5480                                        req->flags2 & FLAGS2_DFS_PATHNAMES,
5481                                        newname,
5482                                        &newname,
5483                                        &dest_has_wcard);
5484         if (!NT_STATUS_IS_OK(status)) {
5485                 return status;
5486         }
5487
5488         /* Check the new name has no '/' characters. */
5489         if (strchr_m(newname, '/')) {
5490                 return NT_STATUS_NOT_SUPPORTED;
5491         }
5492
5493         if (fsp && fsp->base_fsp) {
5494                 /* newname must be a stream name. */
5495                 if (newname[0] != ':') {
5496                         return NT_STATUS_NOT_SUPPORTED;
5497                 }
5498
5499                 /* Create an smb_fname to call rename_internals_fsp() with. */
5500                 status = create_synthetic_smb_fname(talloc_tos(),
5501                                                     fsp->base_fsp->fsp_name,
5502                                                     newname, NULL, &smb_fname);
5503                 if (!NT_STATUS_IS_OK(status)) {
5504                         goto out;
5505                 }
5506
5507                 /*
5508                  * Set the original last component, since
5509                  * rename_internals_fsp() requires it.
5510                  */
5511                 smb_fname->original_lcomp = talloc_strdup(smb_fname, newname);
5512                 if (smb_fname->original_lcomp == NULL) {
5513                         status = NT_STATUS_NO_MEMORY;
5514                         goto out;
5515                 }
5516
5517                 /* Create a char * to call rename_internals() with. */
5518                 base_name = talloc_asprintf(ctx, "%s%s",
5519                                            fsp->base_fsp->fsp_name,
5520                                            newname);
5521                 if (!base_name) {
5522                         status = NT_STATUS_NO_MEMORY;
5523                         goto out;
5524                 }
5525         } else {
5526                 /* newname must *not* be a stream name. */
5527                 if (is_ntfs_stream_name(newname)) {
5528                         return NT_STATUS_NOT_SUPPORTED;
5529                 }
5530
5531                 /* Create the base directory. */
5532                 base_name = talloc_strdup(ctx, fname);
5533                 if (!base_name) {
5534                         return NT_STATUS_NO_MEMORY;
5535                 }
5536                 p = strrchr_m(base_name, '/');
5537                 if (p) {
5538                         p[1] = '\0';
5539                 } else {
5540                         base_name = talloc_strdup(ctx, "./");
5541                         if (!base_name) {
5542                                 return NT_STATUS_NO_MEMORY;
5543                         }
5544                 }
5545                 /* Append the new name. */
5546                 base_name = talloc_asprintf_append(base_name,
5547                                 "%s",
5548                                 newname);
5549                 if (!base_name) {
5550                         return NT_STATUS_NO_MEMORY;
5551                 }
5552
5553                 status = unix_convert(ctx, conn, base_name, &smb_fname,
5554                                       UCF_SAVE_LCOMP);
5555
5556                 /* If an error we expect this to be
5557                  * NT_STATUS_OBJECT_PATH_NOT_FOUND */
5558
5559                 if (!NT_STATUS_IS_OK(status)) {
5560                         if(!NT_STATUS_EQUAL(NT_STATUS_OBJECT_PATH_NOT_FOUND,
5561                                             status)) {
5562                                 goto out;
5563                         }
5564                         /* Create an smb_fname to call rename_internals_fsp() */
5565                         status = create_synthetic_smb_fname(talloc_tos(),
5566                                                             base_name, NULL,
5567                                                             NULL, &smb_fname);
5568                         if (!NT_STATUS_IS_OK(status)) {
5569                                 goto out;
5570                         }
5571                 }
5572
5573         }
5574
5575         if (fsp) {
5576                 DEBUG(10,("smb_file_rename_information: SMB_FILE_RENAME_INFORMATION (fnum %d) %s -> %s\n",
5577                         fsp->fnum, fsp->fsp_name, base_name ));
5578                 status = rename_internals_fsp(conn, fsp, smb_fname, 0,
5579                                               overwrite);
5580         } else {
5581                 DEBUG(10,("smb_file_rename_information: SMB_FILE_RENAME_INFORMATION %s -> %s\n",
5582                         fname, base_name ));
5583                 status = rename_internals(ctx, conn, req, fname, base_name, 0,
5584                                         overwrite, False, dest_has_wcard,
5585                                         FILE_WRITE_ATTRIBUTES);
5586         }
5587  out:
5588         TALLOC_FREE(smb_fname);
5589         return status;
5590 }
5591
5592 /****************************************************************************
5593  Deal with SMB_SET_POSIX_ACL.
5594 ****************************************************************************/
5595
5596 #if defined(HAVE_POSIX_ACLS)
5597 static NTSTATUS smb_set_posix_acl(connection_struct *conn,
5598                                 const char *pdata,
5599                                 int total_data,
5600                                 files_struct *fsp,
5601                                 const char *fname,
5602                                 SMB_STRUCT_STAT *psbuf)
5603 {
5604         uint16 posix_acl_version;
5605         uint16 num_file_acls;
5606         uint16 num_def_acls;
5607         bool valid_file_acls = True;
5608         bool valid_def_acls = True;
5609
5610         if (total_data < SMB_POSIX_ACL_HEADER_SIZE) {
5611                 return NT_STATUS_INVALID_PARAMETER;
5612         }
5613         posix_acl_version = SVAL(pdata,0);
5614         num_file_acls = SVAL(pdata,2);
5615         num_def_acls = SVAL(pdata,4);
5616
5617         if (num_file_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) {
5618                 valid_file_acls = False;
5619                 num_file_acls = 0;
5620         }
5621
5622         if (num_def_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) {
5623                 valid_def_acls = False;
5624                 num_def_acls = 0;
5625         }
5626
5627         if (posix_acl_version != SMB_POSIX_ACL_VERSION) {
5628                 return NT_STATUS_INVALID_PARAMETER;
5629         }
5630
5631         if (total_data < SMB_POSIX_ACL_HEADER_SIZE +
5632                         (num_file_acls+num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE) {
5633                 return NT_STATUS_INVALID_PARAMETER;
5634         }
5635
5636         DEBUG(10,("smb_set_posix_acl: file %s num_file_acls = %u, num_def_acls = %u\n",
5637                 fname ? fname : fsp->fsp_name,
5638                 (unsigned int)num_file_acls,
5639                 (unsigned int)num_def_acls));
5640
5641         if (valid_file_acls && !set_unix_posix_acl(conn, fsp, fname, num_file_acls,
5642                         pdata + SMB_POSIX_ACL_HEADER_SIZE)) {
5643                 return map_nt_error_from_unix(errno);
5644         }
5645
5646         if (valid_def_acls && !set_unix_posix_default_acl(conn, fname, psbuf, num_def_acls,
5647                         pdata + SMB_POSIX_ACL_HEADER_SIZE +
5648                         (num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE))) {
5649                 return map_nt_error_from_unix(errno);
5650         }
5651         return NT_STATUS_OK;
5652 }
5653 #endif
5654
5655 /****************************************************************************
5656  Deal with SMB_SET_POSIX_LOCK.
5657 ****************************************************************************/
5658
5659 static NTSTATUS smb_set_posix_lock(connection_struct *conn,
5660                                 struct smb_request *req,
5661                                 const char *pdata,
5662                                 int total_data,
5663                                 files_struct *fsp)
5664 {
5665         uint64_t count;
5666         uint64_t offset;
5667         uint32 lock_pid;
5668         bool blocking_lock = False;
5669         enum brl_type lock_type;
5670
5671         NTSTATUS status = NT_STATUS_OK;
5672
5673         if (fsp == NULL || fsp->fh->fd == -1) {
5674                 return NT_STATUS_INVALID_HANDLE;
5675         }
5676
5677         if (total_data != POSIX_LOCK_DATA_SIZE) {
5678                 return NT_STATUS_INVALID_PARAMETER;
5679         }
5680
5681         switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) {
5682                 case POSIX_LOCK_TYPE_READ:
5683                         lock_type = READ_LOCK;
5684                         break;
5685                 case POSIX_LOCK_TYPE_WRITE:
5686                         /* Return the right POSIX-mappable error code for files opened read-only. */
5687                         if (!fsp->can_write) {
5688                                 return NT_STATUS_INVALID_HANDLE;
5689                         }
5690                         lock_type = WRITE_LOCK;
5691                         break;
5692                 case POSIX_LOCK_TYPE_UNLOCK:
5693                         lock_type = UNLOCK_LOCK;
5694                         break;
5695                 default:
5696                         return NT_STATUS_INVALID_PARAMETER;
5697         }
5698
5699         if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_NOWAIT) {
5700                 blocking_lock = False;
5701         } else if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_WAIT) {
5702                 blocking_lock = True;
5703         } else {
5704                 return NT_STATUS_INVALID_PARAMETER;
5705         }
5706
5707         if (!lp_blocking_locks(SNUM(conn))) {
5708                 blocking_lock = False;
5709         }
5710
5711         lock_pid = IVAL(pdata, POSIX_LOCK_PID_OFFSET);
5712 #if defined(HAVE_LONGLONG)
5713         offset = (((uint64_t) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) |
5714                         ((uint64_t) IVAL(pdata,POSIX_LOCK_START_OFFSET));
5715         count = (((uint64_t) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) |
5716                         ((uint64_t) IVAL(pdata,POSIX_LOCK_LEN_OFFSET));
5717 #else /* HAVE_LONGLONG */
5718         offset = (uint64_t)IVAL(pdata,POSIX_LOCK_START_OFFSET);
5719         count = (uint64_t)IVAL(pdata,POSIX_LOCK_LEN_OFFSET);
5720 #endif /* HAVE_LONGLONG */
5721
5722         DEBUG(10,("smb_set_posix_lock: file %s, lock_type = %u,"
5723                         "lock_pid = %u, count = %.0f, offset = %.0f\n",
5724                 fsp->fsp_name,
5725                 (unsigned int)lock_type,
5726                 (unsigned int)lock_pid,
5727                 (double)count,
5728                 (double)offset ));
5729
5730         if (lock_type == UNLOCK_LOCK) {
5731                 status = do_unlock(smbd_messaging_context(),
5732                                 fsp,
5733                                 lock_pid,
5734                                 count,
5735                                 offset,
5736                                 POSIX_LOCK);
5737         } else {
5738                 uint32 block_smbpid;
5739
5740                 struct byte_range_lock *br_lck = do_lock(smbd_messaging_context(),
5741                                                         fsp,
5742                                                         lock_pid,
5743                                                         count,
5744                                                         offset,
5745                                                         lock_type,
5746                                                         POSIX_LOCK,
5747                                                         blocking_lock,
5748                                                         &status,
5749                                                         &block_smbpid,
5750                                                         NULL);
5751
5752                 if (br_lck && blocking_lock && ERROR_WAS_LOCK_DENIED(status)) {
5753                         /*
5754                          * A blocking lock was requested. Package up
5755                          * this smb into a queued request and push it
5756                          * onto the blocking lock queue.
5757                          */
5758                         if(push_blocking_lock_request(br_lck,
5759                                                 req,
5760                                                 fsp,
5761                                                 -1, /* infinite timeout. */
5762                                                 0,
5763                                                 lock_pid,
5764                                                 lock_type,
5765                                                 POSIX_LOCK,
5766                                                 offset,
5767                                                 count,
5768                                                 block_smbpid)) {
5769                                 TALLOC_FREE(br_lck);
5770                                 return status;
5771                         }
5772                 }
5773                 TALLOC_FREE(br_lck);
5774         }
5775
5776         return status;
5777 }
5778
5779 /****************************************************************************
5780  Deal with SMB_INFO_STANDARD.
5781 ****************************************************************************/
5782
5783 static NTSTATUS smb_set_info_standard(connection_struct *conn,
5784                                         const char *pdata,
5785                                         int total_data,
5786                                         files_struct *fsp,
5787                                         const char *fname,
5788                                         const SMB_STRUCT_STAT *psbuf)
5789 {
5790         struct smb_file_time ft;
5791         ZERO_STRUCT(ft);
5792
5793         if (total_data < 12) {
5794                 return NT_STATUS_INVALID_PARAMETER;
5795         }
5796
5797         /* create time */
5798         ft.create_time = interpret_long_date(pdata);
5799
5800         /* access time */
5801         ft.atime = interpret_long_date(pdata + 8);
5802
5803         /* write time */
5804         ft.mtime = interpret_long_date(pdata + 16);
5805
5806         DEBUG(10,("smb_set_info_standard: file %s\n",
5807                 fname ? fname : fsp->fsp_name ));
5808
5809         return smb_set_file_time(conn,
5810                                 fsp,
5811                                 fname,
5812                                 psbuf,
5813                                 &ft,
5814                                 true);
5815 }
5816
5817 /****************************************************************************
5818  Deal with SMB_SET_FILE_BASIC_INFO.
5819 ****************************************************************************/
5820
5821 static NTSTATUS smb_set_file_basic_info(connection_struct *conn,
5822                                         const char *pdata,
5823                                         int total_data,
5824                                         files_struct *fsp,
5825                                         const char *fname,
5826                                         SMB_STRUCT_STAT *psbuf)
5827 {
5828         /* Patch to do this correctly from Paul Eggert <eggert@twinsun.com>. */
5829         struct timespec write_time;
5830         struct timespec changed_time;
5831         struct smb_file_time ft;
5832         uint32 dosmode = 0;
5833         NTSTATUS status = NT_STATUS_OK;
5834         bool setting_write_time = true;
5835
5836         ZERO_STRUCT(ft);
5837
5838         if (total_data < 36) {
5839                 return NT_STATUS_INVALID_PARAMETER;
5840         }
5841
5842         /* Set the attributes */
5843         dosmode = IVAL(pdata,32);
5844         status = smb_set_file_dosmode(conn, fsp, fname, psbuf, dosmode);
5845         if (!NT_STATUS_IS_OK(status)) {
5846                 return status;
5847         }
5848
5849         /* access time */
5850         ft.atime = interpret_long_date(pdata+8);
5851
5852         write_time = interpret_long_date(pdata+16);
5853         changed_time = interpret_long_date(pdata+24);
5854
5855         /* mtime */
5856         ft.mtime = timespec_min(&write_time, &changed_time);
5857
5858         /* create time */
5859         ft.create_time = interpret_long_date(pdata);
5860
5861         if ((timespec_compare(&write_time, &ft.mtime) == 1) &&
5862             !null_timespec(write_time)) {
5863                 ft.mtime = write_time;
5864         }
5865
5866         /* Prefer a defined time to an undefined one. */
5867         if (null_timespec(ft.mtime)) {
5868                 if (null_timespec(write_time)) {
5869                         ft.mtime = changed_time;
5870                         setting_write_time = false;
5871                 } else {
5872                         ft.mtime = write_time;
5873                 }
5874         }
5875
5876         DEBUG(10,("smb_set_file_basic_info: file %s\n",
5877                 fname ? fname : fsp->fsp_name ));
5878
5879         return smb_set_file_time(conn,
5880                                 fsp,
5881                                 fname,
5882                                 psbuf,
5883                                 &ft,
5884                                 setting_write_time);
5885 }
5886
5887 /****************************************************************************
5888  Deal with SMB_SET_FILE_ALLOCATION_INFO.
5889 ****************************************************************************/
5890
5891 static NTSTATUS smb_set_file_allocation_info(connection_struct *conn,
5892                                              struct smb_request *req,
5893                                         const char *pdata,
5894                                         int total_data,
5895                                         files_struct *fsp,
5896                                         const char *fname,
5897                                         SMB_STRUCT_STAT *psbuf)
5898 {
5899         struct smb_filename *smb_fname = NULL;
5900         uint64_t allocation_size = 0;
5901         NTSTATUS status = NT_STATUS_OK;
5902         files_struct *new_fsp = NULL;
5903
5904         if (!VALID_STAT(*psbuf)) {
5905                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5906         }
5907
5908         if (total_data < 8) {
5909                 return NT_STATUS_INVALID_PARAMETER;
5910         }
5911
5912         allocation_size = (uint64_t)IVAL(pdata,0);
5913 #ifdef LARGE_SMB_OFF_T
5914         allocation_size |= (((uint64_t)IVAL(pdata,4)) << 32);
5915 #else /* LARGE_SMB_OFF_T */
5916         if (IVAL(pdata,4) != 0) {
5917                 /* more than 32 bits? */
5918                 return NT_STATUS_INVALID_PARAMETER;
5919         }
5920 #endif /* LARGE_SMB_OFF_T */
5921
5922         DEBUG(10,("smb_set_file_allocation_info: Set file allocation info for file %s to %.0f\n",
5923                         fname, (double)allocation_size ));
5924
5925         if (allocation_size) {
5926                 allocation_size = smb_roundup(conn, allocation_size);
5927         }
5928
5929         DEBUG(10,("smb_set_file_allocation_info: file %s : setting new allocation size to %.0f\n",
5930                         fname, (double)allocation_size ));
5931
5932         if (fsp && fsp->fh->fd != -1) {
5933                 /* Open file handle. */
5934                 /* Only change if needed. */
5935                 if (allocation_size != get_file_size_stat(psbuf)) {
5936                         if (vfs_allocate_file_space(fsp, allocation_size) == -1) {
5937                                 return map_nt_error_from_unix(errno);
5938                         }
5939                 }
5940                 /* But always update the time. */
5941                 /*
5942                  * This is equivalent to a write. Ensure it's seen immediately
5943                  * if there are no pending writes.
5944                  */
5945                 trigger_write_time_update_immediate(fsp);
5946                 return NT_STATUS_OK;
5947         }
5948
5949         /* Pathname or stat or directory file. */
5950
5951         status = create_synthetic_smb_fname_split(talloc_tos(), fname, psbuf,
5952                                                   &smb_fname);
5953         if (!NT_STATUS_IS_OK(status)) {
5954                 return status;
5955         }
5956
5957         status = SMB_VFS_CREATE_FILE(
5958                 conn,                                   /* conn */
5959                 req,                                    /* req */
5960                 0,                                      /* root_dir_fid */
5961                 smb_fname,                              /* fname */
5962                 FILE_WRITE_DATA,                        /* access_mask */
5963                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
5964                     FILE_SHARE_DELETE),
5965                 FILE_OPEN,                              /* create_disposition*/
5966                 0,                                      /* create_options */
5967                 FILE_ATTRIBUTE_NORMAL,                  /* file_attributes */
5968                 FORCE_OPLOCK_BREAK_TO_NONE,             /* oplock_request */
5969                 0,                                      /* allocation_size */
5970                 NULL,                                   /* sd */
5971                 NULL,                                   /* ea_list */
5972                 &new_fsp,                               /* result */
5973                 NULL);                                  /* pinfo */
5974
5975         *psbuf = smb_fname->st;
5976         TALLOC_FREE(smb_fname);
5977
5978         if (!NT_STATUS_IS_OK(status)) {
5979                 /* NB. We check for open_was_deferred in the caller. */
5980                 return status;
5981         }
5982
5983         /* Only change if needed. */
5984         if (allocation_size != get_file_size_stat(psbuf)) {
5985                 if (vfs_allocate_file_space(new_fsp, allocation_size) == -1) {
5986                         status = map_nt_error_from_unix(errno);
5987                         close_file(req, new_fsp, NORMAL_CLOSE);
5988                         return status;
5989                 }
5990         }
5991
5992         /* Changing the allocation size should set the last mod time. */
5993         /*
5994          * This is equivalent to a write. Ensure it's seen immediately
5995          * if there are no pending writes.
5996          */
5997         trigger_write_time_update_immediate(new_fsp);
5998
5999         close_file(req, new_fsp, NORMAL_CLOSE);
6000         return NT_STATUS_OK;
6001 }
6002
6003 /****************************************************************************
6004  Deal with SMB_SET_FILE_END_OF_FILE_INFO.
6005 ****************************************************************************/
6006
6007 static NTSTATUS smb_set_file_end_of_file_info(connection_struct *conn,
6008                                               struct smb_request *req,
6009                                         const char *pdata,
6010                                         int total_data,
6011                                         files_struct *fsp,
6012                                         const struct smb_filename *smb_fname)
6013 {
6014         SMB_OFF_T size;
6015
6016         if (total_data < 8) {
6017                 return NT_STATUS_INVALID_PARAMETER;
6018         }
6019
6020         size = IVAL(pdata,0);
6021 #ifdef LARGE_SMB_OFF_T
6022         size |= (((SMB_OFF_T)IVAL(pdata,4)) << 32);
6023 #else /* LARGE_SMB_OFF_T */
6024         if (IVAL(pdata,4) != 0) {
6025                 /* more than 32 bits? */
6026                 return NT_STATUS_INVALID_PARAMETER;
6027         }
6028 #endif /* LARGE_SMB_OFF_T */
6029         DEBUG(10,("smb_set_file_end_of_file_info: Set end of file info for "
6030                   "file %s to %.0f\n", smb_fname_str_dbg(smb_fname),
6031                   (double)size));
6032
6033         return smb_set_file_size(conn, req,
6034                                 fsp,
6035                                 smb_fname,
6036                                 &smb_fname->st,
6037                                 size);
6038 }
6039
6040 /****************************************************************************
6041  Allow a UNIX info mknod.
6042 ****************************************************************************/
6043
6044 static NTSTATUS smb_unix_mknod(connection_struct *conn,
6045                                         const char *pdata,
6046                                         int total_data,
6047                                         const struct smb_filename *smb_fname)
6048 {
6049         uint32 file_type = IVAL(pdata,56);
6050 #if defined(HAVE_MAKEDEV)
6051         uint32 dev_major = IVAL(pdata,60);
6052         uint32 dev_minor = IVAL(pdata,68);
6053 #endif
6054         SMB_DEV_T dev = (SMB_DEV_T)0;
6055         uint32 raw_unixmode = IVAL(pdata,84);
6056         NTSTATUS status;
6057         mode_t unixmode;
6058
6059         if (total_data < 100) {
6060                 return NT_STATUS_INVALID_PARAMETER;
6061         }
6062
6063         status = unix_perms_from_wire(conn, &smb_fname->st, raw_unixmode,
6064                                       PERM_NEW_FILE, &unixmode);
6065         if (!NT_STATUS_IS_OK(status)) {
6066                 return status;
6067         }
6068
6069 #if defined(HAVE_MAKEDEV)
6070         dev = makedev(dev_major, dev_minor);
6071 #endif
6072
6073         switch (file_type) {
6074 #if defined(S_IFIFO)
6075                 case UNIX_TYPE_FIFO:
6076                         unixmode |= S_IFIFO;
6077                         break;
6078 #endif
6079 #if defined(S_IFSOCK)
6080                 case UNIX_TYPE_SOCKET:
6081                         unixmode |= S_IFSOCK;
6082                         break;
6083 #endif
6084 #if defined(S_IFCHR)
6085                 case UNIX_TYPE_CHARDEV:
6086                         unixmode |= S_IFCHR;
6087                         break;
6088 #endif
6089 #if defined(S_IFBLK)
6090                 case UNIX_TYPE_BLKDEV:
6091                         unixmode |= S_IFBLK;
6092                         break;
6093 #endif
6094                 default:
6095                         return NT_STATUS_INVALID_PARAMETER;
6096         }
6097
6098         DEBUG(10,("smb_unix_mknod: SMB_SET_FILE_UNIX_BASIC doing mknod dev "
6099                   "%.0f mode 0%o for file %s\n", (double)dev,
6100                   (unsigned int)unixmode, smb_fname_str_dbg(smb_fname)));
6101
6102         /* Ok - do the mknod. */
6103         if (SMB_VFS_MKNOD(conn, smb_fname->base_name, unixmode, dev) != 0) {
6104                 return map_nt_error_from_unix(errno);
6105         }
6106
6107         /* If any of the other "set" calls fail we
6108          * don't want to end up with a half-constructed mknod.
6109          */
6110
6111         if (lp_inherit_perms(SNUM(conn))) {
6112                 char *parent;
6113                 if (!parent_dirname(talloc_tos(), smb_fname->base_name,
6114                                     &parent, NULL)) {
6115                         return NT_STATUS_NO_MEMORY;
6116                 }
6117                 inherit_access_posix_acl(conn, parent, smb_fname->base_name,
6118                                          unixmode);
6119                 TALLOC_FREE(parent);
6120         }
6121
6122         return NT_STATUS_OK;
6123 }
6124
6125 /****************************************************************************
6126  Deal with SMB_SET_FILE_UNIX_BASIC.
6127 ****************************************************************************/
6128
6129 static NTSTATUS smb_set_file_unix_basic(connection_struct *conn,
6130                                         struct smb_request *req,
6131                                         const char *pdata,
6132                                         int total_data,
6133                                         files_struct *fsp,
6134                                         const struct smb_filename *smb_fname)
6135 {
6136         struct smb_file_time ft;
6137         uint32 raw_unixmode;
6138         mode_t unixmode;
6139         SMB_OFF_T size = 0;
6140         uid_t set_owner = (uid_t)SMB_UID_NO_CHANGE;
6141         gid_t set_grp = (uid_t)SMB_GID_NO_CHANGE;
6142         NTSTATUS status = NT_STATUS_OK;
6143         bool delete_on_fail = False;
6144         enum perm_type ptype;
6145         files_struct *all_fsps = NULL;
6146         bool modify_mtime = true;
6147         struct file_id id;
6148         SMB_STRUCT_STAT sbuf;
6149
6150         ZERO_STRUCT(ft);
6151
6152         if (total_data < 100) {
6153                 return NT_STATUS_INVALID_PARAMETER;
6154         }
6155
6156         if(IVAL(pdata, 0) != SMB_SIZE_NO_CHANGE_LO &&
6157            IVAL(pdata, 4) != SMB_SIZE_NO_CHANGE_HI) {
6158                 size=IVAL(pdata,0); /* first 8 Bytes are size */
6159 #ifdef LARGE_SMB_OFF_T
6160                 size |= (((SMB_OFF_T)IVAL(pdata,4)) << 32);
6161 #else /* LARGE_SMB_OFF_T */
6162                 if (IVAL(pdata,4) != 0) {
6163                         /* more than 32 bits? */
6164                         return NT_STATUS_INVALID_PARAMETER;
6165                 }
6166 #endif /* LARGE_SMB_OFF_T */
6167         }
6168
6169         ft.atime = interpret_long_date(pdata+24); /* access_time */
6170         ft.mtime = interpret_long_date(pdata+32); /* modification_time */
6171         set_owner = (uid_t)IVAL(pdata,40);
6172         set_grp = (gid_t)IVAL(pdata,48);
6173         raw_unixmode = IVAL(pdata,84);
6174
6175         if (VALID_STAT(smb_fname->st)) {
6176                 if (S_ISDIR(smb_fname->st.st_ex_mode)) {
6177                         ptype = PERM_EXISTING_DIR;
6178                 } else {
6179                         ptype = PERM_EXISTING_FILE;
6180                 }
6181         } else {
6182                 ptype = PERM_NEW_FILE;
6183         }
6184
6185         status = unix_perms_from_wire(conn, &smb_fname->st, raw_unixmode,
6186                                       ptype, &unixmode);
6187         if (!NT_STATUS_IS_OK(status)) {
6188                 return status;
6189         }
6190
6191         DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC: name = "
6192                   "%s size = %.0f, uid = %u, gid = %u, raw perms = 0%o\n",
6193                   smb_fname_str_dbg(smb_fname), (double)size,
6194                   (unsigned int)set_owner, (unsigned int)set_grp,
6195                   (int)raw_unixmode));
6196
6197         sbuf = smb_fname->st;
6198
6199         if (!VALID_STAT(sbuf)) {
6200                 struct smb_filename *smb_fname_tmp = NULL;
6201                 /*
6202                  * The only valid use of this is to create character and block
6203                  * devices, and named pipes. This is deprecated (IMHO) and
6204                  * a new info level should be used for mknod. JRA.
6205                  */
6206
6207                 status = smb_unix_mknod(conn,
6208                                         pdata,
6209                                         total_data,
6210                                         smb_fname);
6211                 if (!NT_STATUS_IS_OK(status)) {
6212                         return status;
6213                 }
6214
6215                 status = copy_smb_filename(talloc_tos(), smb_fname,
6216                                            &smb_fname_tmp);
6217                 if (!NT_STATUS_IS_OK(status)) {
6218                         return status;
6219                 }
6220
6221                 if (SMB_VFS_STAT(conn, smb_fname_tmp) != 0) {
6222                         status = map_nt_error_from_unix(errno);
6223                         TALLOC_FREE(smb_fname_tmp);
6224                         SMB_VFS_UNLINK(conn, smb_fname);
6225                         return status;
6226                 }
6227
6228                 sbuf = smb_fname_tmp->st;
6229                 TALLOC_FREE(smb_fname_tmp);
6230
6231                 /* Ensure we don't try and change anything else. */
6232                 raw_unixmode = SMB_MODE_NO_CHANGE;
6233                 size = get_file_size_stat(&sbuf);
6234                 ft.atime = sbuf.st_ex_atime;
6235                 ft.mtime = sbuf.st_ex_mtime;
6236                 /*
6237                  * We continue here as we might want to change the
6238                  * owner uid/gid.
6239                  */
6240                 delete_on_fail = True;
6241         }
6242
6243 #if 1
6244         /* Horrible backwards compatibility hack as an old server bug
6245          * allowed a CIFS client bug to remain unnoticed :-(. JRA.
6246          * */
6247
6248         if (!size) {
6249                 size = get_file_size_stat(&sbuf);
6250         }
6251 #endif
6252
6253         /*
6254          * Deal with the UNIX specific mode set.
6255          */
6256
6257         if (raw_unixmode != SMB_MODE_NO_CHANGE) {
6258                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC "
6259                           "setting mode 0%o for file %s\n",
6260                           (unsigned int)unixmode,
6261                           smb_fname_str_dbg(smb_fname)));
6262                 if (SMB_VFS_CHMOD(conn, smb_fname->base_name, unixmode) != 0) {
6263                         return map_nt_error_from_unix(errno);
6264                 }
6265         }
6266
6267         /*
6268          * Deal with the UNIX specific uid set.
6269          */
6270
6271         if ((set_owner != (uid_t)SMB_UID_NO_CHANGE) &&
6272             (sbuf.st_ex_uid != set_owner)) {
6273                 int ret;
6274
6275                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC "
6276                           "changing owner %u for path %s\n",
6277                           (unsigned int)set_owner,
6278                           smb_fname_str_dbg(smb_fname)));
6279
6280                 if (S_ISLNK(sbuf.st_ex_mode)) {
6281                         ret = SMB_VFS_LCHOWN(conn, smb_fname->base_name,
6282                                              set_owner, (gid_t)-1);
6283                 } else {
6284                         ret = SMB_VFS_CHOWN(conn, smb_fname->base_name,
6285                                             set_owner, (gid_t)-1);
6286                 }
6287
6288                 if (ret != 0) {
6289                         status = map_nt_error_from_unix(errno);
6290                         if (delete_on_fail) {
6291                                 SMB_VFS_UNLINK(conn, smb_fname);
6292                         }
6293                         return status;
6294                 }
6295         }
6296
6297         /*
6298          * Deal with the UNIX specific gid set.
6299          */
6300
6301         if ((set_grp != (uid_t)SMB_GID_NO_CHANGE) &&
6302             (sbuf.st_ex_gid != set_grp)) {
6303                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC "
6304                           "changing group %u for file %s\n",
6305                           (unsigned int)set_owner,
6306                           smb_fname_str_dbg(smb_fname)));
6307                 if (SMB_VFS_CHOWN(conn, smb_fname->base_name, (uid_t)-1,
6308                                   set_grp) != 0) {
6309                         status = map_nt_error_from_unix(errno);
6310                         if (delete_on_fail) {
6311                                 SMB_VFS_UNLINK(conn, smb_fname);
6312                         }
6313                         return status;
6314                 }
6315         }
6316
6317         /* Deal with any size changes. */
6318
6319         status = smb_set_file_size(conn, req,
6320                                    fsp,
6321                                    smb_fname,
6322                                    &sbuf,
6323                                    size);
6324         if (!NT_STATUS_IS_OK(status)) {
6325                 return status;
6326         }
6327
6328         /* Deal with any time changes. */
6329         if (null_timespec(ft.mtime) && null_timespec(ft.atime)) {
6330                 /* No change, don't cancel anything. */
6331                 return status;
6332         }
6333
6334         id = vfs_file_id_from_sbuf(conn, &sbuf);
6335         for(all_fsps = file_find_di_first(id); all_fsps;
6336                         all_fsps = file_find_di_next(all_fsps)) {
6337                 /*
6338                  * We're setting the time explicitly for UNIX.
6339                  * Cancel any pending changes over all handles.
6340                  */
6341                 all_fsps->update_write_time_on_close = false;
6342                 TALLOC_FREE(all_fsps->update_write_time_event);
6343         }
6344
6345         /*
6346          * Override the "setting_write_time"
6347          * parameter here as it almost does what
6348          * we need. Just remember if we modified
6349          * mtime and send the notify ourselves.
6350          */
6351         if (null_timespec(ft.mtime)) {
6352                 modify_mtime = false;
6353         }
6354
6355         status = smb_set_file_time(conn,
6356                                 fsp,
6357                                 smb_fname->base_name,
6358                                 &sbuf,
6359                                 &ft,
6360                                 false);
6361         if (modify_mtime) {
6362                 notify_fname(conn, NOTIFY_ACTION_MODIFIED,
6363                         FILE_NOTIFY_CHANGE_LAST_WRITE, smb_fname->base_name);
6364         }
6365         return status;
6366 }
6367
6368 /****************************************************************************
6369  Deal with SMB_SET_FILE_UNIX_INFO2.
6370 ****************************************************************************/
6371
6372 static NTSTATUS smb_set_file_unix_info2(connection_struct *conn,
6373                                         struct smb_request *req,
6374                                         const char *pdata,
6375                                         int total_data,
6376                                         files_struct *fsp,
6377                                         const struct smb_filename *smb_fname)
6378 {
6379         NTSTATUS status;
6380         uint32 smb_fflags;
6381         uint32 smb_fmask;
6382
6383         if (total_data < 116) {
6384                 return NT_STATUS_INVALID_PARAMETER;
6385         }
6386
6387         /* Start by setting all the fields that are common between UNIX_BASIC
6388          * and UNIX_INFO2.
6389          */
6390         status = smb_set_file_unix_basic(conn, req, pdata, total_data,
6391                                          fsp, smb_fname);
6392         if (!NT_STATUS_IS_OK(status)) {
6393                 return status;
6394         }
6395
6396         smb_fflags = IVAL(pdata, 108);
6397         smb_fmask = IVAL(pdata, 112);
6398
6399         /* NB: We should only attempt to alter the file flags if the client
6400          * sends a non-zero mask.
6401          */
6402         if (smb_fmask != 0) {
6403                 int stat_fflags = 0;
6404
6405                 if (!map_info2_flags_to_sbuf(&smb_fname->st, smb_fflags,
6406                                              smb_fmask, &stat_fflags)) {
6407                         /* Client asked to alter a flag we don't understand. */
6408                         return NT_STATUS_INVALID_PARAMETER;
6409                 }
6410
6411                 if (fsp && fsp->fh->fd != -1) {
6412                         /* XXX: we should be  using SMB_VFS_FCHFLAGS here. */
6413                         return NT_STATUS_NOT_SUPPORTED;
6414                 } else {
6415                         if (SMB_VFS_CHFLAGS(conn, smb_fname->base_name,
6416                                             stat_fflags) != 0) {
6417                                 return map_nt_error_from_unix(errno);
6418                         }
6419                 }
6420         }
6421
6422         /* XXX: need to add support for changing the create_time here. You
6423          * can do this for paths on Darwin with setattrlist(2). The right way
6424          * to hook this up is probably by extending the VFS utimes interface.
6425          */
6426
6427         return NT_STATUS_OK;
6428 }
6429
6430 /****************************************************************************
6431  Create a directory with POSIX semantics.
6432 ****************************************************************************/
6433
6434 static NTSTATUS smb_posix_mkdir(connection_struct *conn,
6435                                 struct smb_request *req,
6436                                 char **ppdata,
6437                                 int total_data,
6438                                 const char *fname,
6439                                 SMB_STRUCT_STAT *psbuf,
6440                                 int *pdata_return_size)
6441 {
6442         struct smb_filename *smb_fname;
6443         NTSTATUS status = NT_STATUS_OK;
6444         uint32 raw_unixmode = 0;
6445         uint32 mod_unixmode = 0;
6446         mode_t unixmode = (mode_t)0;
6447         files_struct *fsp = NULL;
6448         uint16 info_level_return = 0;
6449         int info;
6450         char *pdata = *ppdata;
6451
6452         if (total_data < 18) {
6453                 return NT_STATUS_INVALID_PARAMETER;
6454         }
6455
6456         raw_unixmode = IVAL(pdata,8);
6457         /* Next 4 bytes are not yet defined. */
6458
6459         status = unix_perms_from_wire(conn, psbuf, raw_unixmode, PERM_NEW_DIR, &unixmode);
6460         if (!NT_STATUS_IS_OK(status)) {
6461                 return status;
6462         }
6463
6464         mod_unixmode = (uint32)unixmode | FILE_FLAG_POSIX_SEMANTICS;
6465
6466         DEBUG(10,("smb_posix_mkdir: file %s, mode 0%o\n",
6467                 fname, (unsigned int)unixmode ));
6468
6469         status = create_synthetic_smb_fname_split(talloc_tos(), fname, psbuf,
6470                                                   &smb_fname);
6471         if (!NT_STATUS_IS_OK(status)) {
6472                 return status;
6473         }
6474
6475         status = SMB_VFS_CREATE_FILE(
6476                 conn,                                   /* conn */
6477                 req,                                    /* req */
6478                 0,                                      /* root_dir_fid */
6479                 smb_fname,                              /* fname */
6480                 FILE_READ_ATTRIBUTES,                   /* access_mask */
6481                 FILE_SHARE_NONE,                        /* share_access */
6482                 FILE_CREATE,                            /* create_disposition*/
6483                 FILE_DIRECTORY_FILE,                    /* create_options */
6484                 mod_unixmode,                           /* file_attributes */
6485                 0,                                      /* oplock_request */
6486                 0,                                      /* allocation_size */
6487                 NULL,                                   /* sd */
6488                 NULL,                                   /* ea_list */
6489                 &fsp,                                   /* result */
6490                 &info);                                 /* pinfo */
6491
6492         *psbuf = smb_fname->st;
6493         TALLOC_FREE(smb_fname);
6494
6495         if (NT_STATUS_IS_OK(status)) {
6496                 close_file(req, fsp, NORMAL_CLOSE);
6497         }
6498
6499         info_level_return = SVAL(pdata,16);
6500
6501         if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
6502                 *pdata_return_size = 12 + SMB_FILE_UNIX_BASIC_SIZE;
6503         } else if (info_level_return ==  SMB_QUERY_FILE_UNIX_INFO2) {
6504                 *pdata_return_size = 12 + SMB_FILE_UNIX_INFO2_SIZE;
6505         } else {
6506                 *pdata_return_size = 12;
6507         }
6508
6509         /* Realloc the data size */
6510         *ppdata = (char *)SMB_REALLOC(*ppdata,*pdata_return_size);
6511         if (*ppdata == NULL) {
6512                 *pdata_return_size = 0;
6513                 return NT_STATUS_NO_MEMORY;
6514         }
6515         pdata = *ppdata;
6516
6517         SSVAL(pdata,0,NO_OPLOCK_RETURN);
6518         SSVAL(pdata,2,0); /* No fnum. */
6519         SIVAL(pdata,4,info); /* Was directory created. */
6520
6521         switch (info_level_return) {
6522                 case SMB_QUERY_FILE_UNIX_BASIC:
6523                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_BASIC);
6524                         SSVAL(pdata,10,0); /* Padding. */
6525                         store_file_unix_basic(conn, pdata + 12, fsp, psbuf);
6526                         break;
6527                 case SMB_QUERY_FILE_UNIX_INFO2:
6528                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_INFO2);
6529                         SSVAL(pdata,10,0); /* Padding. */
6530                         store_file_unix_basic_info2(conn, pdata + 12, fsp, psbuf);
6531                         break;
6532                 default:
6533                         SSVAL(pdata,8,SMB_NO_INFO_LEVEL_RETURNED);
6534                         SSVAL(pdata,10,0); /* Padding. */
6535                         break;
6536         }
6537
6538         return status;
6539 }
6540
6541 /****************************************************************************
6542  Open/Create a file with POSIX semantics.
6543 ****************************************************************************/
6544
6545 static NTSTATUS smb_posix_open(connection_struct *conn,
6546                                struct smb_request *req,
6547                                 char **ppdata,
6548                                 int total_data,
6549                                 const char *fname,
6550                                 SMB_STRUCT_STAT *psbuf,
6551                                 int *pdata_return_size)
6552 {
6553         struct smb_filename *smb_fname = NULL;
6554         bool extended_oplock_granted = False;
6555         char *pdata = *ppdata;
6556         uint32 flags = 0;
6557         uint32 wire_open_mode = 0;
6558         uint32 raw_unixmode = 0;
6559         uint32 mod_unixmode = 0;
6560         uint32 create_disp = 0;
6561         uint32 access_mask = 0;
6562         uint32 create_options = 0;
6563         NTSTATUS status = NT_STATUS_OK;
6564         mode_t unixmode = (mode_t)0;
6565         files_struct *fsp = NULL;
6566         int oplock_request = 0;
6567         int info = 0;
6568         uint16 info_level_return = 0;
6569
6570         if (total_data < 18) {
6571                 return NT_STATUS_INVALID_PARAMETER;
6572         }
6573
6574         flags = IVAL(pdata,0);
6575         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
6576         if (oplock_request) {
6577                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
6578         }
6579
6580         wire_open_mode = IVAL(pdata,4);
6581
6582         if (wire_open_mode == (SMB_O_CREAT|SMB_O_DIRECTORY)) {
6583                 return smb_posix_mkdir(conn, req,
6584                                         ppdata,
6585                                         total_data,
6586                                         fname,
6587                                         psbuf,
6588                                         pdata_return_size);
6589         }
6590
6591         switch (wire_open_mode & SMB_ACCMODE) {
6592                 case SMB_O_RDONLY:
6593                         access_mask = FILE_READ_DATA;
6594                         break;
6595                 case SMB_O_WRONLY:
6596                         access_mask = FILE_WRITE_DATA;
6597                         break;
6598                 case SMB_O_RDWR:
6599                         access_mask = FILE_READ_DATA|FILE_WRITE_DATA;
6600                         break;
6601                 default:
6602                         DEBUG(5,("smb_posix_open: invalid open mode 0x%x\n",
6603                                 (unsigned int)wire_open_mode ));
6604                         return NT_STATUS_INVALID_PARAMETER;
6605         }
6606
6607         wire_open_mode &= ~SMB_ACCMODE;
6608
6609         if((wire_open_mode & (SMB_O_CREAT | SMB_O_EXCL)) == (SMB_O_CREAT | SMB_O_EXCL)) {
6610                 create_disp = FILE_CREATE;
6611         } else if((wire_open_mode & (SMB_O_CREAT | SMB_O_TRUNC)) == (SMB_O_CREAT | SMB_O_TRUNC)) {
6612                 create_disp = FILE_OVERWRITE_IF;
6613         } else if((wire_open_mode & SMB_O_CREAT) == SMB_O_CREAT) {
6614                 create_disp = FILE_OPEN_IF;
6615         } else if ((wire_open_mode & (SMB_O_CREAT | SMB_O_EXCL | SMB_O_TRUNC)) == 0) {
6616                 create_disp = FILE_OPEN;
6617         } else {
6618                 DEBUG(5,("smb_posix_open: invalid create mode 0x%x\n",
6619                         (unsigned int)wire_open_mode ));
6620                 return NT_STATUS_INVALID_PARAMETER;
6621         }
6622
6623         raw_unixmode = IVAL(pdata,8);
6624         /* Next 4 bytes are not yet defined. */
6625
6626         status = unix_perms_from_wire(conn,
6627                                 psbuf,
6628                                 raw_unixmode,
6629                                 VALID_STAT(*psbuf) ? PERM_EXISTING_FILE : PERM_NEW_FILE,
6630                                 &unixmode);
6631
6632         if (!NT_STATUS_IS_OK(status)) {
6633                 return status;
6634         }
6635
6636         mod_unixmode = (uint32)unixmode | FILE_FLAG_POSIX_SEMANTICS;
6637
6638         if (wire_open_mode & SMB_O_SYNC) {
6639                 create_options |= FILE_WRITE_THROUGH;
6640         }
6641         if (wire_open_mode & SMB_O_APPEND) {
6642                 access_mask |= FILE_APPEND_DATA;
6643         }
6644         if (wire_open_mode & SMB_O_DIRECT) {
6645                 mod_unixmode |= FILE_FLAG_NO_BUFFERING;
6646         }
6647
6648         DEBUG(10,("smb_posix_open: file %s, smb_posix_flags = %u, mode 0%o\n",
6649                 fname,
6650                 (unsigned int)wire_open_mode,
6651                 (unsigned int)unixmode ));
6652
6653         status = create_synthetic_smb_fname_split(talloc_tos(), fname, psbuf,
6654                                                   &smb_fname);
6655         if (!NT_STATUS_IS_OK(status)) {
6656                 return status;
6657         }
6658
6659         status = SMB_VFS_CREATE_FILE(
6660                 conn,                                   /* conn */
6661                 req,                                    /* req */
6662                 0,                                      /* root_dir_fid */
6663                 smb_fname,                              /* fname */
6664                 access_mask,                            /* access_mask */
6665                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
6666                     FILE_SHARE_DELETE),
6667                 create_disp,                            /* create_disposition*/
6668                 FILE_NON_DIRECTORY_FILE,                /* create_options */
6669                 mod_unixmode,                           /* file_attributes */
6670                 oplock_request,                         /* oplock_request */
6671                 0,                                      /* allocation_size */
6672                 NULL,                                   /* sd */
6673                 NULL,                                   /* ea_list */
6674                 &fsp,                                   /* result */
6675                 &info);                                 /* pinfo */
6676
6677         *psbuf = smb_fname->st;
6678         TALLOC_FREE(smb_fname);
6679
6680         if (!NT_STATUS_IS_OK(status)) {
6681                 return status;
6682         }
6683
6684         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
6685                 extended_oplock_granted = True;
6686         }
6687
6688         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
6689                 extended_oplock_granted = True;
6690         }
6691
6692         info_level_return = SVAL(pdata,16);
6693
6694         /* Allocate the correct return size. */
6695
6696         if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
6697                 *pdata_return_size = 12 + SMB_FILE_UNIX_BASIC_SIZE;
6698         } else if (info_level_return ==  SMB_QUERY_FILE_UNIX_INFO2) {
6699                 *pdata_return_size = 12 + SMB_FILE_UNIX_INFO2_SIZE;
6700         } else {
6701                 *pdata_return_size = 12;
6702         }
6703
6704         /* Realloc the data size */
6705         *ppdata = (char *)SMB_REALLOC(*ppdata,*pdata_return_size);
6706         if (*ppdata == NULL) {
6707                 close_file(req, fsp, ERROR_CLOSE);
6708                 *pdata_return_size = 0;
6709                 return NT_STATUS_NO_MEMORY;
6710         }
6711         pdata = *ppdata;
6712
6713         if (extended_oplock_granted) {
6714                 if (flags & REQUEST_BATCH_OPLOCK) {
6715                         SSVAL(pdata,0, BATCH_OPLOCK_RETURN);
6716                 } else {
6717                         SSVAL(pdata,0, EXCLUSIVE_OPLOCK_RETURN);
6718                 }
6719         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
6720                 SSVAL(pdata,0, LEVEL_II_OPLOCK_RETURN);
6721         } else {
6722                 SSVAL(pdata,0,NO_OPLOCK_RETURN);
6723         }
6724
6725         SSVAL(pdata,2,fsp->fnum);
6726         SIVAL(pdata,4,info); /* Was file created etc. */
6727
6728         switch (info_level_return) {
6729                 case SMB_QUERY_FILE_UNIX_BASIC:
6730                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_BASIC);
6731                         SSVAL(pdata,10,0); /* padding. */
6732                         store_file_unix_basic(conn, pdata + 12, fsp, psbuf);
6733                         break;
6734                 case SMB_QUERY_FILE_UNIX_INFO2:
6735                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_INFO2);
6736                         SSVAL(pdata,10,0); /* padding. */
6737                         store_file_unix_basic_info2(conn, pdata + 12, fsp, psbuf);
6738                         break;
6739                 default:
6740                         SSVAL(pdata,8,SMB_NO_INFO_LEVEL_RETURNED);
6741                         SSVAL(pdata,10,0); /* padding. */
6742                         break;
6743         }
6744         return NT_STATUS_OK;
6745 }
6746
6747 /****************************************************************************
6748  Delete a file with POSIX semantics.
6749 ****************************************************************************/
6750
6751 static NTSTATUS smb_posix_unlink(connection_struct *conn,
6752                                  struct smb_request *req,
6753                                 const char *pdata,
6754                                 int total_data,
6755                                 const char *fname,
6756                                 SMB_STRUCT_STAT *psbuf)
6757 {
6758         struct smb_filename *smb_fname = NULL;
6759         NTSTATUS status = NT_STATUS_OK;
6760         files_struct *fsp = NULL;
6761         uint16 flags = 0;
6762         char del = 1;
6763         int info = 0;
6764         int create_options = 0;
6765         int i;
6766         struct share_mode_lock *lck = NULL;
6767
6768         if (total_data < 2) {
6769                 return NT_STATUS_INVALID_PARAMETER;
6770         }
6771
6772         flags = SVAL(pdata,0);
6773
6774         if (!VALID_STAT(*psbuf)) {
6775                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
6776         }
6777
6778         if ((flags == SMB_POSIX_UNLINK_DIRECTORY_TARGET) &&
6779                         !VALID_STAT_OF_DIR(*psbuf)) {
6780                 return NT_STATUS_NOT_A_DIRECTORY;
6781         }
6782
6783         DEBUG(10,("smb_posix_unlink: %s %s\n",
6784                 (flags == SMB_POSIX_UNLINK_DIRECTORY_TARGET) ? "directory" : "file",
6785                 fname));
6786
6787         if (VALID_STAT_OF_DIR(*psbuf)) {
6788                 create_options |= FILE_DIRECTORY_FILE;
6789         }
6790
6791         status = create_synthetic_smb_fname_split(talloc_tos(), fname, psbuf,
6792                                                   &smb_fname);
6793         if (!NT_STATUS_IS_OK(status)) {
6794                 return status;
6795         }
6796
6797         status = SMB_VFS_CREATE_FILE(
6798                 conn,                                   /* conn */
6799                 req,                                    /* req */
6800                 0,                                      /* root_dir_fid */
6801                 smb_fname,                              /* fname */
6802                 DELETE_ACCESS,                          /* access_mask */
6803                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
6804                     FILE_SHARE_DELETE),
6805                 FILE_OPEN,                              /* create_disposition*/
6806                 create_options,                         /* create_options */
6807                 FILE_FLAG_POSIX_SEMANTICS|0777,         /* file_attributes */
6808                 0,                                      /* oplock_request */
6809                 0,                                      /* allocation_size */
6810                 NULL,                                   /* sd */
6811                 NULL,                                   /* ea_list */
6812                 &fsp,                                   /* result */
6813                 &info);                                 /* pinfo */
6814
6815         *psbuf = smb_fname->st;
6816         TALLOC_FREE(smb_fname);
6817
6818         if (!NT_STATUS_IS_OK(status)) {
6819                 return status;
6820         }
6821
6822         /*
6823          * Don't lie to client. If we can't really delete due to
6824          * non-POSIX opens return SHARING_VIOLATION.
6825          */
6826
6827         lck = get_share_mode_lock(talloc_tos(), fsp->file_id, NULL, NULL,
6828                                   NULL);
6829         if (lck == NULL) {
6830                 DEBUG(0, ("smb_posix_unlink: Could not get share mode "
6831                         "lock for file %s\n", fsp->fsp_name));
6832                 close_file(req, fsp, NORMAL_CLOSE);
6833                 return NT_STATUS_INVALID_PARAMETER;
6834         }
6835
6836         /*
6837          * See if others still have the file open. If this is the case, then
6838          * don't delete. If all opens are POSIX delete we can set the delete
6839          * on close disposition.
6840          */
6841         for (i=0; i<lck->num_share_modes; i++) {
6842                 struct share_mode_entry *e = &lck->share_modes[i];
6843                 if (is_valid_share_mode_entry(e)) {
6844                         if (e->flags & SHARE_MODE_FLAG_POSIX_OPEN) {
6845                                 continue;
6846                         }
6847                         /* Fail with sharing violation. */
6848                         close_file(req, fsp, NORMAL_CLOSE);
6849                         TALLOC_FREE(lck);
6850                         return NT_STATUS_SHARING_VIOLATION;
6851                 }
6852         }
6853
6854         /*
6855          * Set the delete on close.
6856          */
6857         status = smb_set_file_disposition_info(conn,
6858                                                 &del,
6859                                                 1,
6860                                                 fsp,
6861                                                 fname,
6862                                                 psbuf);
6863
6864         if (!NT_STATUS_IS_OK(status)) {
6865                 close_file(req, fsp, NORMAL_CLOSE);
6866                 TALLOC_FREE(lck);
6867                 return status;
6868         }
6869         TALLOC_FREE(lck);
6870         return close_file(req, fsp, NORMAL_CLOSE);
6871 }
6872
6873 /****************************************************************************
6874  Reply to a TRANS2_SETFILEINFO (set file info by fileid or pathname).
6875 ****************************************************************************/
6876
6877 static void call_trans2setfilepathinfo(connection_struct *conn,
6878                                        struct smb_request *req,
6879                                        unsigned int tran_call,
6880                                        char **pparams, int total_params,
6881                                        char **ppdata, int total_data,
6882                                        unsigned int max_data_bytes)
6883 {
6884         char *params = *pparams;
6885         char *pdata = *ppdata;
6886         uint16 info_level;
6887         SMB_STRUCT_STAT sbuf;
6888         char *fname = NULL;
6889         struct smb_filename *smb_fname = NULL;
6890         files_struct *fsp = NULL;
6891         NTSTATUS status = NT_STATUS_OK;
6892         int data_return_size = 0;
6893         TALLOC_CTX *ctx = talloc_tos();
6894
6895         if (!params) {
6896                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6897                 return;
6898         }
6899
6900         if (tran_call == TRANSACT2_SETFILEINFO) {
6901                 if (total_params < 4) {
6902                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6903                         return;
6904                 }
6905
6906                 fsp = file_fsp(req, SVAL(params,0));
6907                 /* Basic check for non-null fsp. */
6908                 if (!check_fsp_open(conn, req, fsp)) {
6909                         return;
6910                 }
6911                 info_level = SVAL(params,2);
6912
6913                 fname = talloc_strdup(talloc_tos(),fsp->fsp_name);
6914                 if (!fname) {
6915                         reply_nterror(req, NT_STATUS_NO_MEMORY);
6916                         return;
6917                 }
6918
6919                 status = create_synthetic_smb_fname_split(talloc_tos(), fname,
6920                                                           NULL, &smb_fname);
6921                 if (!NT_STATUS_IS_OK(status)) {
6922                         reply_nterror(req, status);
6923                         return;
6924                 }
6925
6926                 if(fsp->is_directory || fsp->fh->fd == -1) {
6927                         /*
6928                          * This is actually a SETFILEINFO on a directory
6929                          * handle (returned from an NT SMB). NT5.0 seems
6930                          * to do this call. JRA.
6931                          */
6932                         if (INFO_LEVEL_IS_UNIX(info_level)) {
6933                                 /* Always do lstat for UNIX calls. */
6934                                 if (SMB_VFS_LSTAT(conn, smb_fname)) {
6935                                         DEBUG(3,("call_trans2setfilepathinfo: "
6936                                                  "SMB_VFS_LSTAT of %s failed "
6937                                                  "(%s)\n",
6938                                                  smb_fname_str_dbg(smb_fname),
6939                                                  strerror(errno)));
6940                                         reply_unixerror(req,ERRDOS,ERRbadpath);
6941                                         return;
6942                                 }
6943                         } else {
6944                                 if (SMB_VFS_STAT(conn, smb_fname) != 0) {
6945                                         DEBUG(3,("call_trans2setfilepathinfo: "
6946                                                  "fileinfo of %s failed (%s)\n",
6947                                                  smb_fname_str_dbg(smb_fname),
6948                                                  strerror(errno)));
6949                                         reply_unixerror(req,ERRDOS,ERRbadpath);
6950                                         return;
6951                                 }
6952                         }
6953                 } else if (fsp->print_file) {
6954                         /*
6955                          * Doing a DELETE_ON_CLOSE should cancel a print job.
6956                          */
6957                         if ((info_level == SMB_SET_FILE_DISPOSITION_INFO) && CVAL(pdata,0)) {
6958                                 fsp->fh->private_options |= FILE_DELETE_ON_CLOSE;
6959
6960                                 DEBUG(3,("call_trans2setfilepathinfo: Cancelling print job (%s)\n", fsp->fsp_name ));
6961
6962                                 SSVAL(params,0,0);
6963                                 send_trans2_replies(conn, req, params, 2,
6964                                                     *ppdata, 0,
6965                                                     max_data_bytes);
6966                                 return;
6967                         } else {
6968                                 reply_unixerror(req, ERRDOS, ERRbadpath);
6969                                 return;
6970                         }
6971                 } else {
6972                         /*
6973                          * Original code - this is an open file.
6974                          */
6975                         if (!check_fsp(conn, req, fsp)) {
6976                                 return;
6977                         }
6978
6979                         if (SMB_VFS_FSTAT(fsp, &smb_fname->st) != 0) {
6980                                 DEBUG(3,("call_trans2setfilepathinfo: fstat "
6981                                          "of fnum %d failed (%s)\n", fsp->fnum,
6982                                          strerror(errno)));
6983                                 reply_unixerror(req, ERRDOS, ERRbadfid);
6984                                 return;
6985                         }
6986                 }
6987         } else {
6988                 /* set path info */
6989                 if (total_params < 7) {
6990                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6991                         return;
6992                 }
6993
6994                 info_level = SVAL(params,0);
6995                 srvstr_get_path(ctx, params, req->flags2, &fname, &params[6],
6996                                 total_params - 6, STR_TERMINATE,
6997                                 &status);
6998                 if (!NT_STATUS_IS_OK(status)) {
6999                         reply_nterror(req, status);
7000                         return;
7001                 }
7002
7003                 status = filename_convert(ctx, conn,
7004                                          req->flags2 & FLAGS2_DFS_PATHNAMES,
7005                                          fname,
7006                                          &smb_fname,
7007                                          &fname);
7008                 if (!NT_STATUS_IS_OK(status)) {
7009                         if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
7010                                 reply_botherror(req,
7011                                                 NT_STATUS_PATH_NOT_COVERED,
7012                                                 ERRSRV, ERRbadpath);
7013                                 return;
7014                         }
7015                         reply_nterror(req, status);
7016                         return;
7017                 }
7018
7019                 if (INFO_LEVEL_IS_UNIX(info_level)) {
7020                         /*
7021                          * For CIFS UNIX extensions the target name may not exist.
7022                          */
7023
7024                         /* Always do lstat for UNIX calls. */
7025                         SMB_VFS_LSTAT(conn, smb_fname);
7026
7027                 } else if (!VALID_STAT(smb_fname->st) &&
7028                            SMB_VFS_STAT(conn, smb_fname)) {
7029                         DEBUG(3,("call_trans2setfilepathinfo: SMB_VFS_STAT of "
7030                                  "%s failed (%s)\n",
7031                                  smb_fname_str_dbg(smb_fname),
7032                                  strerror(errno)));
7033                         reply_unixerror(req, ERRDOS, ERRbadpath);
7034                         return;
7035                 }
7036         }
7037
7038         /* Set sbuf for use below. */
7039         sbuf = smb_fname->st;
7040
7041         if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
7042                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7043                 return;
7044         }
7045
7046         if (!CAN_WRITE(conn)) {
7047                 /* Allow POSIX opens. The open path will deny
7048                  * any non-readonly opens. */
7049                 if (info_level != SMB_POSIX_PATH_OPEN) {
7050                         reply_doserror(req, ERRSRV, ERRaccess);
7051                         return;
7052                 }
7053         }
7054
7055         DEBUG(3,("call_trans2setfilepathinfo(%d) %s (fnum %d) info_level=%d totdata=%d\n",
7056                 tran_call,fname, fsp ? fsp->fnum : -1, info_level,total_data));
7057
7058         /* Realloc the parameter size */
7059         *pparams = (char *)SMB_REALLOC(*pparams,2);
7060         if (*pparams == NULL) {
7061                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7062                 return;
7063         }
7064         params = *pparams;
7065
7066         SSVAL(params,0,0);
7067
7068         switch (info_level) {
7069
7070                 case SMB_INFO_STANDARD:
7071                 {
7072                         status = smb_set_info_standard(conn,
7073                                         pdata,
7074                                         total_data,
7075                                         fsp,
7076                                         fname,
7077                                         &sbuf);
7078                         break;
7079                 }
7080
7081                 case SMB_INFO_SET_EA:
7082                 {
7083                         status = smb_info_set_ea(conn,
7084                                                 pdata,
7085                                                 total_data,
7086                                                 fsp,
7087                                                 smb_fname);
7088                         break;
7089                 }
7090
7091                 case SMB_SET_FILE_BASIC_INFO:
7092                 case SMB_FILE_BASIC_INFORMATION:
7093                 {
7094                         status = smb_set_file_basic_info(conn,
7095                                                         pdata,
7096                                                         total_data,
7097                                                         fsp,
7098                                                         fname,
7099                                                         &sbuf);
7100                         break;
7101                 }
7102
7103                 case SMB_FILE_ALLOCATION_INFORMATION:
7104                 case SMB_SET_FILE_ALLOCATION_INFO:
7105                 {
7106                         status = smb_set_file_allocation_info(conn, req,
7107                                                                 pdata,
7108                                                                 total_data,
7109                                                                 fsp,
7110                                                                 fname,
7111                                                                 &sbuf);
7112                         break;
7113                 }
7114
7115                 case SMB_FILE_END_OF_FILE_INFORMATION:
7116                 case SMB_SET_FILE_END_OF_FILE_INFO:
7117                 {
7118                         status = smb_set_file_end_of_file_info(conn, req,
7119                                                                 pdata,
7120                                                                 total_data,
7121                                                                 fsp,
7122                                                                 smb_fname);
7123                         break;
7124                 }
7125
7126                 case SMB_FILE_DISPOSITION_INFORMATION:
7127                 case SMB_SET_FILE_DISPOSITION_INFO: /* Set delete on close for open file. */
7128                 {
7129 #if 0
7130                         /* JRA - We used to just ignore this on a path ?
7131                          * Shouldn't this be invalid level on a pathname
7132                          * based call ?
7133                          */
7134                         if (tran_call != TRANSACT2_SETFILEINFO) {
7135                                 return ERROR_NT(NT_STATUS_INVALID_LEVEL);
7136                         }
7137 #endif
7138                         status = smb_set_file_disposition_info(conn,
7139                                                 pdata,
7140                                                 total_data,
7141                                                 fsp,
7142                                                 fname,
7143                                                 &sbuf);
7144                         break;
7145                 }
7146
7147                 case SMB_FILE_POSITION_INFORMATION:
7148                 {
7149                         status = smb_file_position_information(conn,
7150                                                 pdata,
7151                                                 total_data,
7152                                                 fsp);
7153                         break;
7154                 }
7155
7156                 /* From tridge Samba4 :
7157                  * MODE_INFORMATION in setfileinfo (I have no
7158                  * idea what "mode information" on a file is - it takes a value of 0,
7159                  * 2, 4 or 6. What could it be?).
7160                  */
7161
7162                 case SMB_FILE_MODE_INFORMATION:
7163                 {
7164                         status = smb_file_mode_information(conn,
7165                                                 pdata,
7166                                                 total_data);
7167                         break;
7168                 }
7169
7170                 /*
7171                  * CIFS UNIX extensions.
7172                  */
7173
7174                 case SMB_SET_FILE_UNIX_BASIC:
7175                 {
7176                         status = smb_set_file_unix_basic(conn, req,
7177                                                         pdata,
7178                                                         total_data,
7179                                                         fsp,
7180                                                         smb_fname);
7181                         break;
7182                 }
7183
7184                 case SMB_SET_FILE_UNIX_INFO2:
7185                 {
7186                         status = smb_set_file_unix_info2(conn, req,
7187                                                         pdata,
7188                                                         total_data,
7189                                                         fsp,
7190                                                         smb_fname);
7191                         break;
7192                 }
7193
7194                 case SMB_SET_FILE_UNIX_LINK:
7195                 {
7196                         if (tran_call != TRANSACT2_SETPATHINFO) {
7197                                 /* We must have a pathname for this. */
7198                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7199                                 return;
7200                         }
7201                         status = smb_set_file_unix_link(conn, req, pdata,
7202                                                         total_data, fname);
7203                         break;
7204                 }
7205
7206                 case SMB_SET_FILE_UNIX_HLINK:
7207                 {
7208                         if (tran_call != TRANSACT2_SETPATHINFO || smb_fname == NULL) {
7209                                 /* We must have a pathname for this. */
7210                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7211                                 return;
7212                         }
7213                         status = smb_set_file_unix_hlink(conn, req,
7214                                                          pdata, total_data,
7215                                                          smb_fname);
7216                         break;
7217                 }
7218
7219                 case SMB_FILE_RENAME_INFORMATION:
7220                 {
7221                         status = smb_file_rename_information(conn, req,
7222                                                              pdata, total_data,
7223                                                              fsp, fname);
7224                         break;
7225                 }
7226
7227 #if defined(HAVE_POSIX_ACLS)
7228                 case SMB_SET_POSIX_ACL:
7229                 {
7230                         status = smb_set_posix_acl(conn,
7231                                                 pdata,
7232                                                 total_data,
7233                                                 fsp,
7234                                                 fname,
7235                                                 &sbuf);
7236                         break;
7237                 }
7238 #endif
7239
7240                 case SMB_SET_POSIX_LOCK:
7241                 {
7242                         if (tran_call != TRANSACT2_SETFILEINFO) {
7243                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7244                                 return;
7245                         }
7246                         status = smb_set_posix_lock(conn, req,
7247                                                     pdata, total_data, fsp);
7248                         break;
7249                 }
7250
7251                 case SMB_POSIX_PATH_OPEN:
7252                 {
7253                         if (tran_call != TRANSACT2_SETPATHINFO) {
7254                                 /* We must have a pathname for this. */
7255                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7256                                 return;
7257                         }
7258
7259                         status = smb_posix_open(conn, req,
7260                                                 ppdata,
7261                                                 total_data,
7262                                                 fname,
7263                                                 &sbuf,
7264                                                 &data_return_size);
7265                         break;
7266                 }
7267
7268                 case SMB_POSIX_PATH_UNLINK:
7269                 {
7270                         if (tran_call != TRANSACT2_SETPATHINFO) {
7271                                 /* We must have a pathname for this. */
7272                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7273                                 return;
7274                         }
7275
7276                         status = smb_posix_unlink(conn, req,
7277                                                 pdata,
7278                                                 total_data,
7279                                                 fname,
7280                                                 &sbuf);
7281                         break;
7282                 }
7283
7284                 default:
7285                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7286                         return;
7287         }
7288
7289         if (!NT_STATUS_IS_OK(status)) {
7290                 if (open_was_deferred(req->mid)) {
7291                         /* We have re-scheduled this call. */
7292                         return;
7293                 }
7294                 if (blocking_lock_was_deferred(req->mid)) {
7295                         /* We have re-scheduled this call. */
7296                         return;
7297                 }
7298                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
7299                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
7300                                         ERRSRV, ERRbadpath);
7301                         return;
7302                 }
7303                 if (info_level == SMB_POSIX_PATH_OPEN) {
7304                         reply_openerror(req, status);
7305                         return;
7306                 }
7307
7308                 reply_nterror(req, status);
7309                 return;
7310         }
7311
7312         SSVAL(params,0,0);
7313         send_trans2_replies(conn, req, params, 2, *ppdata, data_return_size,
7314                             max_data_bytes);
7315
7316         return;
7317 }
7318
7319 /****************************************************************************
7320  Reply to a TRANS2_MKDIR (make directory with extended attributes).
7321 ****************************************************************************/
7322
7323 static void call_trans2mkdir(connection_struct *conn, struct smb_request *req,
7324                              char **pparams, int total_params,
7325                              char **ppdata, int total_data,
7326                              unsigned int max_data_bytes)
7327 {
7328         struct smb_filename *smb_dname = NULL;
7329         char *params = *pparams;
7330         char *pdata = *ppdata;
7331         char *directory = NULL;
7332         NTSTATUS status = NT_STATUS_OK;
7333         struct ea_list *ea_list = NULL;
7334         TALLOC_CTX *ctx = talloc_tos();
7335
7336         if (!CAN_WRITE(conn)) {
7337                 reply_doserror(req, ERRSRV, ERRaccess);
7338                 return;
7339         }
7340
7341         if (total_params < 5) {
7342                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7343                 return;
7344         }
7345
7346         srvstr_get_path(ctx, params, req->flags2, &directory, &params[4],
7347                         total_params - 4, STR_TERMINATE,
7348                         &status);
7349         if (!NT_STATUS_IS_OK(status)) {
7350                 reply_nterror(req, status);
7351                 return;
7352         }
7353
7354         DEBUG(3,("call_trans2mkdir : name = %s\n", directory));
7355
7356         status = filename_convert(ctx,
7357                                 conn,
7358                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
7359                                 directory,
7360                                 &smb_dname,
7361                                 NULL);
7362
7363         if (!NT_STATUS_IS_OK(status)) {
7364                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
7365                         reply_botherror(req,
7366                                 NT_STATUS_PATH_NOT_COVERED,
7367                                 ERRSRV, ERRbadpath);
7368                         return;
7369                 }
7370                 reply_nterror(req, status);
7371                 return;
7372         }
7373
7374         /* Any data in this call is an EA list. */
7375         if (total_data && (total_data != 4) && !lp_ea_support(SNUM(conn))) {
7376                 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
7377                 goto out;
7378         }
7379
7380         /*
7381          * OS/2 workplace shell seems to send SET_EA requests of "null"
7382          * length (4 bytes containing IVAL 4).
7383          * They seem to have no effect. Bug #3212. JRA.
7384          */
7385
7386         if (total_data != 4) {
7387                 if (total_data < 10) {
7388                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7389                         goto out;
7390                 }
7391
7392                 if (IVAL(pdata,0) > total_data) {
7393                         DEBUG(10,("call_trans2mkdir: bad total data size (%u) > %u\n",
7394                                 IVAL(pdata,0), (unsigned int)total_data));
7395                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7396                         goto out;
7397                 }
7398
7399                 ea_list = read_ea_list(talloc_tos(), pdata + 4,
7400                                        total_data - 4);
7401                 if (!ea_list) {
7402                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7403                         goto out;
7404                 }
7405         }
7406         /* If total_data == 4 Windows doesn't care what values
7407          * are placed in that field, it just ignores them.
7408          * The System i QNTC IBM SMB client puts bad values here,
7409          * so ignore them. */
7410
7411         status = create_directory(conn, req, smb_dname);
7412
7413         if (!NT_STATUS_IS_OK(status)) {
7414                 reply_nterror(req, status);
7415                 goto out;
7416         }
7417
7418         /* Try and set any given EA. */
7419         if (ea_list) {
7420                 status = set_ea(conn, NULL, smb_dname, ea_list);
7421                 if (!NT_STATUS_IS_OK(status)) {
7422                         reply_nterror(req, status);
7423                         goto out;
7424                 }
7425         }
7426
7427         /* Realloc the parameter and data sizes */
7428         *pparams = (char *)SMB_REALLOC(*pparams,2);
7429         if(*pparams == NULL) {
7430                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7431                 goto out;
7432         }
7433         params = *pparams;
7434
7435         SSVAL(params,0,0);
7436
7437         send_trans2_replies(conn, req, params, 2, *ppdata, 0, max_data_bytes);
7438
7439  out:
7440         TALLOC_FREE(smb_dname);
7441         return;
7442 }
7443
7444 /****************************************************************************
7445  Reply to a TRANS2_FINDNOTIFYFIRST (start monitoring a directory for changes).
7446  We don't actually do this - we just send a null response.
7447 ****************************************************************************/
7448
7449 static void call_trans2findnotifyfirst(connection_struct *conn,
7450                                        struct smb_request *req,
7451                                        char **pparams, int total_params,
7452                                        char **ppdata, int total_data,
7453                                        unsigned int max_data_bytes)
7454 {
7455         char *params = *pparams;
7456         uint16 info_level;
7457
7458         if (total_params < 6) {
7459                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7460                 return;
7461         }
7462
7463         info_level = SVAL(params,4);
7464         DEBUG(3,("call_trans2findnotifyfirst - info_level %d\n", info_level));
7465
7466         switch (info_level) {
7467                 case 1:
7468                 case 2:
7469                         break;
7470                 default:
7471                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7472                         return;
7473         }
7474
7475         /* Realloc the parameter and data sizes */
7476         *pparams = (char *)SMB_REALLOC(*pparams,6);
7477         if (*pparams == NULL) {
7478                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7479                 return;
7480         }
7481         params = *pparams;
7482
7483         SSVAL(params,0,fnf_handle);
7484         SSVAL(params,2,0); /* No changes */
7485         SSVAL(params,4,0); /* No EA errors */
7486
7487         fnf_handle++;
7488
7489         if(fnf_handle == 0)
7490                 fnf_handle = 257;
7491
7492         send_trans2_replies(conn, req, params, 6, *ppdata, 0, max_data_bytes);
7493
7494         return;
7495 }
7496
7497 /****************************************************************************
7498  Reply to a TRANS2_FINDNOTIFYNEXT (continue monitoring a directory for
7499  changes). Currently this does nothing.
7500 ****************************************************************************/
7501
7502 static void call_trans2findnotifynext(connection_struct *conn,
7503                                       struct smb_request *req,
7504                                       char **pparams, int total_params,
7505                                       char **ppdata, int total_data,
7506                                       unsigned int max_data_bytes)
7507 {
7508         char *params = *pparams;
7509
7510         DEBUG(3,("call_trans2findnotifynext\n"));
7511
7512         /* Realloc the parameter and data sizes */
7513         *pparams = (char *)SMB_REALLOC(*pparams,4);
7514         if (*pparams == NULL) {
7515                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7516                 return;
7517         }
7518         params = *pparams;
7519
7520         SSVAL(params,0,0); /* No changes */
7521         SSVAL(params,2,0); /* No EA errors */
7522
7523         send_trans2_replies(conn, req, params, 4, *ppdata, 0, max_data_bytes);
7524
7525         return;
7526 }
7527
7528 /****************************************************************************
7529  Reply to a TRANS2_GET_DFS_REFERRAL - Shirish Kalele <kalele@veritas.com>.
7530 ****************************************************************************/
7531
7532 static void call_trans2getdfsreferral(connection_struct *conn,
7533                                       struct smb_request *req,
7534                                       char **pparams, int total_params,
7535                                       char **ppdata, int total_data,
7536                                       unsigned int max_data_bytes)
7537 {
7538         char *params = *pparams;
7539         char *pathname = NULL;
7540         int reply_size = 0;
7541         int max_referral_level;
7542         NTSTATUS status = NT_STATUS_OK;
7543         TALLOC_CTX *ctx = talloc_tos();
7544
7545         DEBUG(10,("call_trans2getdfsreferral\n"));
7546
7547         if (total_params < 3) {
7548                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7549                 return;
7550         }
7551
7552         max_referral_level = SVAL(params,0);
7553
7554         if(!lp_host_msdfs()) {
7555                 reply_doserror(req, ERRDOS, ERRbadfunc);
7556                 return;
7557         }
7558
7559         srvstr_pull_talloc(ctx, params, req->flags2, &pathname, &params[2],
7560                     total_params - 2, STR_TERMINATE);
7561         if (!pathname) {
7562                 reply_nterror(req, NT_STATUS_NOT_FOUND);
7563                 return;
7564         }
7565         if((reply_size = setup_dfs_referral(conn, pathname, max_referral_level,
7566                                             ppdata,&status)) < 0) {
7567                 reply_nterror(req, status);
7568                 return;
7569         }
7570
7571         SSVAL(req->inbuf, smb_flg2,
7572               SVAL(req->inbuf,smb_flg2) | FLAGS2_DFS_PATHNAMES);
7573         send_trans2_replies(conn, req,0,0,*ppdata,reply_size, max_data_bytes);
7574
7575         return;
7576 }
7577
7578 #define LMCAT_SPL       0x53
7579 #define LMFUNC_GETJOBID 0x60
7580
7581 /****************************************************************************
7582  Reply to a TRANS2_IOCTL - used for OS/2 printing.
7583 ****************************************************************************/
7584
7585 static void call_trans2ioctl(connection_struct *conn,
7586                              struct smb_request *req,
7587                              char **pparams, int total_params,
7588                              char **ppdata, int total_data,
7589                              unsigned int max_data_bytes)
7590 {
7591         char *pdata = *ppdata;
7592         files_struct *fsp = file_fsp(req, SVAL(req->vwv+15, 0));
7593
7594         /* check for an invalid fid before proceeding */
7595
7596         if (!fsp) {
7597                 reply_doserror(req, ERRDOS, ERRbadfid);
7598                 return;
7599         }
7600
7601         if ((SVAL(req->vwv+16, 0) == LMCAT_SPL)
7602             && (SVAL(req->vwv+17, 0) == LMFUNC_GETJOBID)) {
7603                 *ppdata = (char *)SMB_REALLOC(*ppdata, 32);
7604                 if (*ppdata == NULL) {
7605                         reply_nterror(req, NT_STATUS_NO_MEMORY);
7606                         return;
7607                 }
7608                 pdata = *ppdata;
7609
7610                 /* NOTE - THIS IS ASCII ONLY AT THE MOMENT - NOT SURE IF OS/2
7611                         CAN ACCEPT THIS IN UNICODE. JRA. */
7612
7613                 SSVAL(pdata,0,fsp->rap_print_jobid);                     /* Job number */
7614                 srvstr_push(pdata, req->flags2, pdata + 2,
7615                             global_myname(), 15,
7616                             STR_ASCII|STR_TERMINATE); /* Our NetBIOS name */
7617                 srvstr_push(pdata, req->flags2, pdata+18,
7618                             lp_servicename(SNUM(conn)), 13,
7619                             STR_ASCII|STR_TERMINATE); /* Service name */
7620                 send_trans2_replies(conn, req, *pparams, 0, *ppdata, 32,
7621                                     max_data_bytes);
7622                 return;
7623         }
7624
7625         DEBUG(2,("Unknown TRANS2_IOCTL\n"));
7626         reply_doserror(req, ERRSRV, ERRerror);
7627 }
7628
7629 /****************************************************************************
7630  Reply to a SMBfindclose (stop trans2 directory search).
7631 ****************************************************************************/
7632
7633 void reply_findclose(struct smb_request *req)
7634 {
7635         int dptr_num;
7636
7637         START_PROFILE(SMBfindclose);
7638
7639         if (req->wct < 1) {
7640                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7641                 END_PROFILE(SMBfindclose);
7642                 return;
7643         }
7644
7645         dptr_num = SVALS(req->vwv+0, 0);
7646
7647         DEBUG(3,("reply_findclose, dptr_num = %d\n", dptr_num));
7648
7649         dptr_close(&dptr_num);
7650
7651         reply_outbuf(req, 0, 0);
7652
7653         DEBUG(3,("SMBfindclose dptr_num = %d\n", dptr_num));
7654
7655         END_PROFILE(SMBfindclose);
7656         return;
7657 }
7658
7659 /****************************************************************************
7660  Reply to a SMBfindnclose (stop FINDNOTIFYFIRST directory search).
7661 ****************************************************************************/
7662
7663 void reply_findnclose(struct smb_request *req)
7664 {
7665         int dptr_num;
7666
7667         START_PROFILE(SMBfindnclose);
7668
7669         if (req->wct < 1) {
7670                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7671                 END_PROFILE(SMBfindnclose);
7672                 return;
7673         }
7674
7675         dptr_num = SVAL(req->vwv+0, 0);
7676
7677         DEBUG(3,("reply_findnclose, dptr_num = %d\n", dptr_num));
7678
7679         /* We never give out valid handles for a
7680            findnotifyfirst - so any dptr_num is ok here.
7681            Just ignore it. */
7682
7683         reply_outbuf(req, 0, 0);
7684
7685         DEBUG(3,("SMB_findnclose dptr_num = %d\n", dptr_num));
7686
7687         END_PROFILE(SMBfindnclose);
7688         return;
7689 }
7690
7691 static void handle_trans2(connection_struct *conn, struct smb_request *req,
7692                           struct trans_state *state)
7693 {
7694         if (Protocol >= PROTOCOL_NT1) {
7695                 req->flags2 |= 0x40; /* IS_LONG_NAME */
7696                 SSVAL(req->inbuf,smb_flg2,req->flags2);
7697         }
7698
7699         if (conn->encrypt_level == Required && !req->encrypted) {
7700                 if (state->call != TRANSACT2_QFSINFO &&
7701                                 state->call != TRANSACT2_SETFSINFO) {
7702                         DEBUG(0,("handle_trans2: encryption required "
7703                                 "with call 0x%x\n",
7704                                 (unsigned int)state->call));
7705                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
7706                         return;
7707                 }
7708         }
7709
7710         SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
7711
7712         /* Now we must call the relevant TRANS2 function */
7713         switch(state->call)  {
7714         case TRANSACT2_OPEN:
7715         {
7716                 START_PROFILE(Trans2_open);
7717                 call_trans2open(conn, req,
7718                                 &state->param, state->total_param,
7719                                 &state->data, state->total_data,
7720                                 state->max_data_return);
7721                 END_PROFILE(Trans2_open);
7722                 break;
7723         }
7724
7725         case TRANSACT2_FINDFIRST:
7726         {
7727                 START_PROFILE(Trans2_findfirst);
7728                 call_trans2findfirst(conn, req,
7729                                      &state->param, state->total_param,
7730                                      &state->data, state->total_data,
7731                                      state->max_data_return);
7732                 END_PROFILE(Trans2_findfirst);
7733                 break;
7734         }
7735
7736         case TRANSACT2_FINDNEXT:
7737         {
7738                 START_PROFILE(Trans2_findnext);
7739                 call_trans2findnext(conn, req,
7740                                     &state->param, state->total_param,
7741                                     &state->data, state->total_data,
7742                                     state->max_data_return);
7743                 END_PROFILE(Trans2_findnext);
7744                 break;
7745         }
7746
7747         case TRANSACT2_QFSINFO:
7748         {
7749                 START_PROFILE(Trans2_qfsinfo);
7750                 call_trans2qfsinfo(conn, req,
7751                                    &state->param, state->total_param,
7752                                    &state->data, state->total_data,
7753                                    state->max_data_return);
7754                 END_PROFILE(Trans2_qfsinfo);
7755             break;
7756         }
7757
7758         case TRANSACT2_SETFSINFO:
7759         {
7760                 START_PROFILE(Trans2_setfsinfo);
7761                 call_trans2setfsinfo(conn, req,
7762                                      &state->param, state->total_param,
7763                                      &state->data, state->total_data,
7764                                      state->max_data_return);
7765                 END_PROFILE(Trans2_setfsinfo);
7766                 break;
7767         }
7768
7769         case TRANSACT2_QPATHINFO:
7770         case TRANSACT2_QFILEINFO:
7771         {
7772                 START_PROFILE(Trans2_qpathinfo);
7773                 call_trans2qfilepathinfo(conn, req, state->call,
7774                                          &state->param, state->total_param,
7775                                          &state->data, state->total_data,
7776                                          state->max_data_return);
7777                 END_PROFILE(Trans2_qpathinfo);
7778                 break;
7779         }
7780
7781         case TRANSACT2_SETPATHINFO:
7782         case TRANSACT2_SETFILEINFO:
7783         {
7784                 START_PROFILE(Trans2_setpathinfo);
7785                 call_trans2setfilepathinfo(conn, req, state->call,
7786                                            &state->param, state->total_param,
7787                                            &state->data, state->total_data,
7788                                            state->max_data_return);
7789                 END_PROFILE(Trans2_setpathinfo);
7790                 break;
7791         }
7792
7793         case TRANSACT2_FINDNOTIFYFIRST:
7794         {
7795                 START_PROFILE(Trans2_findnotifyfirst);
7796                 call_trans2findnotifyfirst(conn, req,
7797                                            &state->param, state->total_param,
7798                                            &state->data, state->total_data,
7799                                            state->max_data_return);
7800                 END_PROFILE(Trans2_findnotifyfirst);
7801                 break;
7802         }
7803
7804         case TRANSACT2_FINDNOTIFYNEXT:
7805         {
7806                 START_PROFILE(Trans2_findnotifynext);
7807                 call_trans2findnotifynext(conn, req,
7808                                           &state->param, state->total_param,
7809                                           &state->data, state->total_data,
7810                                           state->max_data_return);
7811                 END_PROFILE(Trans2_findnotifynext);
7812                 break;
7813         }
7814
7815         case TRANSACT2_MKDIR:
7816         {
7817                 START_PROFILE(Trans2_mkdir);
7818                 call_trans2mkdir(conn, req,
7819                                  &state->param, state->total_param,
7820                                  &state->data, state->total_data,
7821                                  state->max_data_return);
7822                 END_PROFILE(Trans2_mkdir);
7823                 break;
7824         }
7825
7826         case TRANSACT2_GET_DFS_REFERRAL:
7827         {
7828                 START_PROFILE(Trans2_get_dfs_referral);
7829                 call_trans2getdfsreferral(conn, req,
7830                                           &state->param, state->total_param,
7831                                           &state->data, state->total_data,
7832                                           state->max_data_return);
7833                 END_PROFILE(Trans2_get_dfs_referral);
7834                 break;
7835         }
7836
7837         case TRANSACT2_IOCTL:
7838         {
7839                 START_PROFILE(Trans2_ioctl);
7840                 call_trans2ioctl(conn, req,
7841                                  &state->param, state->total_param,
7842                                  &state->data, state->total_data,
7843                                  state->max_data_return);
7844                 END_PROFILE(Trans2_ioctl);
7845                 break;
7846         }
7847
7848         default:
7849                 /* Error in request */
7850                 DEBUG(2,("Unknown request %d in trans2 call\n", state->call));
7851                 reply_doserror(req, ERRSRV,ERRerror);
7852         }
7853 }
7854
7855 /****************************************************************************
7856  Reply to a SMBtrans2.
7857  ****************************************************************************/
7858
7859 void reply_trans2(struct smb_request *req)
7860 {
7861         connection_struct *conn = req->conn;
7862         unsigned int dsoff;
7863         unsigned int dscnt;
7864         unsigned int psoff;
7865         unsigned int pscnt;
7866         unsigned int tran_call;
7867         struct trans_state *state;
7868         NTSTATUS result;
7869
7870         START_PROFILE(SMBtrans2);
7871
7872         if (req->wct < 14) {
7873                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7874                 END_PROFILE(SMBtrans2);
7875                 return;
7876         }
7877
7878         dsoff = SVAL(req->vwv+12, 0);
7879         dscnt = SVAL(req->vwv+11, 0);
7880         psoff = SVAL(req->vwv+10, 0);
7881         pscnt = SVAL(req->vwv+9, 0);
7882         tran_call = SVAL(req->vwv+14, 0);
7883
7884         result = allow_new_trans(conn->pending_trans, req->mid);
7885         if (!NT_STATUS_IS_OK(result)) {
7886                 DEBUG(2, ("Got invalid trans2 request: %s\n",
7887                           nt_errstr(result)));
7888                 reply_nterror(req, result);
7889                 END_PROFILE(SMBtrans2);
7890                 return;
7891         }
7892
7893         if (IS_IPC(conn)) {
7894                 switch (tran_call) {
7895                 /* List the allowed trans2 calls on IPC$ */
7896                 case TRANSACT2_OPEN:
7897                 case TRANSACT2_GET_DFS_REFERRAL:
7898                 case TRANSACT2_QFILEINFO:
7899                 case TRANSACT2_QFSINFO:
7900                 case TRANSACT2_SETFSINFO:
7901                         break;
7902                 default:
7903                         reply_doserror(req, ERRSRV, ERRaccess);
7904                         END_PROFILE(SMBtrans2);
7905                         return;
7906                 }
7907         }
7908
7909         if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
7910                 DEBUG(0, ("talloc failed\n"));
7911                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7912                 END_PROFILE(SMBtrans2);
7913                 return;
7914         }
7915
7916         state->cmd = SMBtrans2;
7917
7918         state->mid = req->mid;
7919         state->vuid = req->vuid;
7920         state->setup_count = SVAL(req->vwv+13, 0);
7921         state->setup = NULL;
7922         state->total_param = SVAL(req->vwv+0, 0);
7923         state->param = NULL;
7924         state->total_data =  SVAL(req->vwv+1, 0);
7925         state->data = NULL;
7926         state->max_param_return = SVAL(req->vwv+2, 0);
7927         state->max_data_return  = SVAL(req->vwv+3, 0);
7928         state->max_setup_return = SVAL(req->vwv+4, 0);
7929         state->close_on_completion = BITSETW(req->vwv+5, 0);
7930         state->one_way = BITSETW(req->vwv+5, 1);
7931
7932         state->call = tran_call;
7933
7934         /* All trans2 messages we handle have smb_sucnt == 1 - ensure this
7935            is so as a sanity check */
7936         if (state->setup_count != 1) {
7937                 /*
7938                  * Need to have rc=0 for ioctl to get job id for OS/2.
7939                  *  Network printing will fail if function is not successful.
7940                  *  Similar function in reply.c will be used if protocol
7941                  *  is LANMAN1.0 instead of LM1.2X002.
7942                  *  Until DosPrintSetJobInfo with PRJINFO3 is supported,
7943                  *  outbuf doesn't have to be set(only job id is used).
7944                  */
7945                 if ( (state->setup_count == 4)
7946                      && (tran_call == TRANSACT2_IOCTL)
7947                      && (SVAL(req->vwv+16, 0) == LMCAT_SPL)
7948                      && (SVAL(req->vwv+17, 0) == LMFUNC_GETJOBID)) {
7949                         DEBUG(2,("Got Trans2 DevIOctl jobid\n"));
7950                 } else {
7951                         DEBUG(2,("Invalid smb_sucnt in trans2 call(%u)\n",state->setup_count));
7952                         DEBUG(2,("Transaction is %d\n",tran_call));
7953                         TALLOC_FREE(state);
7954                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7955                         END_PROFILE(SMBtrans2);
7956                         return;
7957                 }
7958         }
7959
7960         if ((dscnt > state->total_data) || (pscnt > state->total_param))
7961                 goto bad_param;
7962
7963         if (state->total_data) {
7964
7965                 if (trans_oob(state->total_data, 0, dscnt)
7966                     || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
7967                         goto bad_param;
7968                 }
7969
7970                 /* Can't use talloc here, the core routines do realloc on the
7971                  * params and data. */
7972                 state->data = (char *)SMB_MALLOC(state->total_data);
7973                 if (state->data == NULL) {
7974                         DEBUG(0,("reply_trans2: data malloc fail for %u "
7975                                  "bytes !\n", (unsigned int)state->total_data));
7976                         TALLOC_FREE(state);
7977                         reply_nterror(req, NT_STATUS_NO_MEMORY);
7978                         END_PROFILE(SMBtrans2);
7979                         return;
7980                 }
7981
7982                 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
7983         }
7984
7985         if (state->total_param) {
7986
7987                 if (trans_oob(state->total_param, 0, pscnt)
7988                     || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
7989                         goto bad_param;
7990                 }
7991
7992                 /* Can't use talloc here, the core routines do realloc on the
7993                  * params and data. */
7994                 state->param = (char *)SMB_MALLOC(state->total_param);
7995                 if (state->param == NULL) {
7996                         DEBUG(0,("reply_trans: param malloc fail for %u "
7997                                  "bytes !\n", (unsigned int)state->total_param));
7998                         SAFE_FREE(state->data);
7999                         TALLOC_FREE(state);
8000                         reply_nterror(req, NT_STATUS_NO_MEMORY);
8001                         END_PROFILE(SMBtrans2);
8002                         return;
8003                 }
8004
8005                 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
8006         }
8007
8008         state->received_data  = dscnt;
8009         state->received_param = pscnt;
8010
8011         if ((state->received_param == state->total_param) &&
8012             (state->received_data == state->total_data)) {
8013
8014                 handle_trans2(conn, req, state);
8015
8016                 SAFE_FREE(state->data);
8017                 SAFE_FREE(state->param);
8018                 TALLOC_FREE(state);
8019                 END_PROFILE(SMBtrans2);
8020                 return;
8021         }
8022
8023         DLIST_ADD(conn->pending_trans, state);
8024
8025         /* We need to send an interim response then receive the rest
8026            of the parameter/data bytes */
8027         reply_outbuf(req, 0, 0);
8028         show_msg((char *)req->outbuf);
8029         END_PROFILE(SMBtrans2);
8030         return;
8031
8032   bad_param:
8033
8034         DEBUG(0,("reply_trans2: invalid trans parameters\n"));
8035         SAFE_FREE(state->data);
8036         SAFE_FREE(state->param);
8037         TALLOC_FREE(state);
8038         END_PROFILE(SMBtrans2);
8039         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8040 }
8041
8042
8043 /****************************************************************************
8044  Reply to a SMBtranss2
8045  ****************************************************************************/
8046
8047 void reply_transs2(struct smb_request *req)
8048 {
8049         connection_struct *conn = req->conn;
8050         unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
8051         struct trans_state *state;
8052
8053         START_PROFILE(SMBtranss2);
8054
8055         show_msg((char *)req->inbuf);
8056
8057         if (req->wct < 8) {
8058                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8059                 END_PROFILE(SMBtranss2);
8060                 return;
8061         }
8062
8063         for (state = conn->pending_trans; state != NULL;
8064              state = state->next) {
8065                 if (state->mid == req->mid) {
8066                         break;
8067                 }
8068         }
8069
8070         if ((state == NULL) || (state->cmd != SMBtrans2)) {
8071                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8072                 END_PROFILE(SMBtranss2);
8073                 return;
8074         }
8075
8076         /* Revise state->total_param and state->total_data in case they have
8077            changed downwards */
8078
8079         if (SVAL(req->vwv+0, 0) < state->total_param)
8080                 state->total_param = SVAL(req->vwv+0, 0);
8081         if (SVAL(req->vwv+1, 0) < state->total_data)
8082                 state->total_data = SVAL(req->vwv+1, 0);
8083
8084         pcnt = SVAL(req->vwv+2, 0);
8085         poff = SVAL(req->vwv+3, 0);
8086         pdisp = SVAL(req->vwv+4, 0);
8087
8088         dcnt = SVAL(req->vwv+5, 0);
8089         doff = SVAL(req->vwv+6, 0);
8090         ddisp = SVAL(req->vwv+7, 0);
8091
8092         state->received_param += pcnt;
8093         state->received_data += dcnt;
8094
8095         if ((state->received_data > state->total_data) ||
8096             (state->received_param > state->total_param))
8097                 goto bad_param;
8098
8099         if (pcnt) {
8100                 if (trans_oob(state->total_param, pdisp, pcnt)
8101                     || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
8102                         goto bad_param;
8103                 }
8104                 memcpy(state->param+pdisp,smb_base(req->inbuf)+poff,pcnt);
8105         }
8106
8107         if (dcnt) {
8108                 if (trans_oob(state->total_data, ddisp, dcnt)
8109                     || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
8110                         goto bad_param;
8111                 }
8112                 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
8113         }
8114
8115         if ((state->received_param < state->total_param) ||
8116             (state->received_data < state->total_data)) {
8117                 END_PROFILE(SMBtranss2);
8118                 return;
8119         }
8120
8121         handle_trans2(conn, req, state);
8122
8123         DLIST_REMOVE(conn->pending_trans, state);
8124         SAFE_FREE(state->data);
8125         SAFE_FREE(state->param);
8126         TALLOC_FREE(state);
8127
8128         END_PROFILE(SMBtranss2);
8129         return;
8130
8131   bad_param:
8132
8133         DEBUG(0,("reply_transs2: invalid trans parameters\n"));
8134         DLIST_REMOVE(conn->pending_trans, state);
8135         SAFE_FREE(state->data);
8136         SAFE_FREE(state->param);
8137         TALLOC_FREE(state);
8138         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8139         END_PROFILE(SMBtranss2);
8140         return;
8141 }