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