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                    2007
   9
  10    Extensively modified by Andrew Tridgell, 1995
  11
  12    This program is free software; you can redistribute it and/or modify
  13    it under the terms of the GNU General Public License as published by
  14    the Free Software Foundation; either version 3 of the License, or
  15    (at your option) any later version.
  16
  17    This program is distributed in the hope that it will be useful,
  18    but WITHOUT ANY WARRANTY; without even the implied warranty of
  19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20    GNU General Public License for more details.
  21
  22    You should have received a copy of the GNU General Public License
  23    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  24 */
  25
  26 #include "includes.h"
  27
  28 extern int max_send;
  29 extern enum protocol_types Protocol;
  30 extern int smb_read_error;
  31 extern uint32 global_client_caps;
  32 extern struct current_user current_user;
  33
  34 #define get_file_size(sbuf) ((sbuf).st_size)
  35 #define DIR_ENTRY_SAFETY_MARGIN 4096
  36
  37 static char *store_file_unix_basic(connection_struct *conn,
  38                                 char *pdata,
  39                                 files_struct *fsp,
  40                                 const SMB_STRUCT_STAT *psbuf);
  41
  42 static char *store_file_unix_basic_info2(connection_struct *conn,
  43                                 char *pdata,
  44                                 files_struct *fsp,
  45                                 const SMB_STRUCT_STAT *psbuf);
  46
  47 /********************************************************************
  48  Roundup a value to the nearest allocation roundup size boundary.
  49  Only do this for Windows clients.
  50 ********************************************************************/
  51
  52 SMB_BIG_UINT smb_roundup(connection_struct *conn, SMB_BIG_UINT val)
  53 {
  54         SMB_BIG_UINT rval = lp_allocation_roundup_size(SNUM(conn));
  55
  56         /* Only roundup for Windows clients. */
  57         enum remote_arch_types ra_type = get_remote_arch();
  58         if (rval && (ra_type != RA_SAMBA) && (ra_type != RA_CIFSFS)) {
  59                 val = SMB_ROUNDUP(val,rval);
  60         }
  61         return val;
  62 }
  63
  64 /********************************************************************
  65  Given a stat buffer return the allocated size on disk, taking into
  66  account sparse files.
  67 ********************************************************************/
  68
  69 SMB_BIG_UINT get_allocation_size(connection_struct *conn, files_struct *fsp, const SMB_STRUCT_STAT *sbuf)
  70 {
  71         SMB_BIG_UINT ret;
  72
  73         if(S_ISDIR(sbuf->st_mode)) {
  74                 return 0;
  75         }
  76
  77 #if defined(HAVE_STAT_ST_BLOCKS) && defined(STAT_ST_BLOCKSIZE)
  78         ret = (SMB_BIG_UINT)STAT_ST_BLOCKSIZE * (SMB_BIG_UINT)sbuf->st_blocks;
  79 #else
  80         ret = (SMB_BIG_UINT)get_file_size(*sbuf);
  81 #endif
  82
  83         if (fsp && fsp->initial_allocation_size)
  84                 ret = MAX(ret,fsp->initial_allocation_size);
  85
  86         return smb_roundup(conn, ret);
  87 }
  88
  89 /****************************************************************************
  90  Utility functions for dealing with extended attributes.
  91 ****************************************************************************/
  92
  93 /****************************************************************************
  94  Refuse to allow clients to overwrite our private xattrs.
  95 ****************************************************************************/
  96
  97 static bool samba_private_attr_name(const char *unix_ea_name)
  98 {
  99         static const char *prohibited_ea_names[] = {
 100                 SAMBA_POSIX_INHERITANCE_EA_NAME,
 101                 SAMBA_XATTR_DOS_ATTRIB,
 102                 NULL
 103         };
 104
 105         int i;
 106
 107         for (i = 0; prohibited_ea_names[i]; i++) {
 108                 if (strequal( prohibited_ea_names[i], unix_ea_name))
 109                         return True;
 110         }
 111         return False;
 112 }
 113
 114 /****************************************************************************
 115  Get one EA value. Fill in a struct ea_struct.
 116 ****************************************************************************/
 117
 118 static bool get_ea_value(TALLOC_CTX *mem_ctx, connection_struct *conn, files_struct *fsp,
 119                                 const char *fname, char *ea_name, struct ea_struct *pea)
 120 {
 121         /* Get the value of this xattr. Max size is 64k. */
 122         size_t attr_size = 256;
 123         char *val = NULL;
 124         ssize_t sizeret;
 125
 126  again:
 127
 128         val = TALLOC_REALLOC_ARRAY(mem_ctx, val, char, attr_size);
 129         if (!val) {
 130                 return False;
 131         }
 132
 133         if (fsp && fsp->fh->fd != -1) {
 134                 sizeret = SMB_VFS_FGETXATTR(fsp, fsp->fh->fd, ea_name, val, attr_size);
 135         } else {
 136                 sizeret = SMB_VFS_GETXATTR(conn, fname, ea_name, val, attr_size);
 137         }
 138
 139         if (sizeret == -1 && errno == ERANGE && attr_size != 65536) {
 140                 attr_size = 65536;
 141                 goto again;
 142         }
 143
 144         if (sizeret == -1) {
 145                 return False;
 146         }
 147
 148         DEBUG(10,("get_ea_value: EA %s is of length %u: ", ea_name, (unsigned int)sizeret));
 149         dump_data(10, (uint8 *)val, sizeret);
 150
 151         pea->flags = 0;
 152         if (strnequal(ea_name, "user.", 5)) {
 153                 pea->name = &ea_name[5];
 154         } else {
 155                 pea->name = ea_name;
 156         }
 157         pea->value.data = (unsigned char *)val;
 158         pea->value.length = (size_t)sizeret;
 159         return True;
 160 }
 161
 162 /****************************************************************************
 163  Return a linked list of the total EA's. Plus the total size
 164 ****************************************************************************/
 165
 166 static struct ea_list *get_ea_list_from_file(TALLOC_CTX *mem_ctx, connection_struct *conn, files_struct *fsp,
 167                                         const char *fname, size_t *pea_total_len)
 168 {
 169         /* Get a list of all xattrs. Max namesize is 64k. */
 170         size_t ea_namelist_size = 1024;
 171         char *ea_namelist;
 172         char *p;
 173         ssize_t sizeret;
 174         int i;
 175         struct ea_list *ea_list_head = NULL;
 176
 177         *pea_total_len = 0;
 178
 179         if (!lp_ea_support(SNUM(conn))) {
 180                 return NULL;
 181         }
 182
 183         for (i = 0, ea_namelist = TALLOC_ARRAY(mem_ctx, char, ea_namelist_size); i < 6;
 184              ea_namelist = TALLOC_REALLOC_ARRAY(mem_ctx, ea_namelist, char, ea_namelist_size), i++) {
 185
 186                 if (!ea_namelist) {
 187                         return NULL;
 188                 }
 189
 190                 if (fsp && fsp->fh->fd != -1) {
 191                         sizeret = SMB_VFS_FLISTXATTR(fsp, fsp->fh->fd, ea_namelist, ea_namelist_size);
 192                 } else {
 193                         sizeret = SMB_VFS_LISTXATTR(conn, fname, ea_namelist, ea_namelist_size);
 194                 }
 195
 196                 if (sizeret == -1 && errno == ERANGE) {
 197                         ea_namelist_size *= 2;
 198                 } else {
 199                         break;
 200                 }
 201         }
 202
 203         if (sizeret == -1)
 204                 return NULL;
 205
 206         DEBUG(10,("get_ea_list_from_file: ea_namelist size = %u\n", (unsigned int)sizeret ));
 207
 208         if (sizeret) {
 209                 for (p = ea_namelist; p - ea_namelist < sizeret; p += strlen(p) + 1) {
 210                         struct ea_list *listp;
 211
 212                         if (strnequal(p, "system.", 7) || samba_private_attr_name(p))
 213                                 continue;
 214
 215                         listp = TALLOC_P(mem_ctx, struct ea_list);
 216                         if (!listp)
 217                                 return NULL;
 218
 219                         if (!get_ea_value(mem_ctx, conn, fsp, fname, p, &listp->ea)) {
 220                                 return NULL;
 221                         }
 222
 223                         {
 224                                 fstring dos_ea_name;
 225                                 push_ascii_fstring(dos_ea_name, listp->ea.name);
 226                                 *pea_total_len += 4 + strlen(dos_ea_name) + 1 + listp->ea.value.length;
 227                                 DEBUG(10,("get_ea_list_from_file: total_len = %u, %s, val len = %u\n",
 228                                         (unsigned int)*pea_total_len, dos_ea_name,
 229                                         (unsigned int)listp->ea.value.length ));
 230                         }
 231                         DLIST_ADD_END(ea_list_head, listp, struct ea_list *);
 232                 }
 233                 /* Add on 4 for total length. */
 234                 if (*pea_total_len) {
 235                         *pea_total_len += 4;
 236                 }
 237         }
 238
 239         DEBUG(10,("get_ea_list_from_file: total_len = %u\n", (unsigned int)*pea_total_len));
 240         return ea_list_head;
 241 }
 242
 243 /****************************************************************************
 244  Fill a qfilepathinfo buffer with EA's. Returns the length of the buffer
 245  that was filled.
 246 ****************************************************************************/
 247
 248 static unsigned int fill_ea_buffer(TALLOC_CTX *mem_ctx, char *pdata, unsigned int total_data_size,
 249         connection_struct *conn, struct ea_list *ea_list)
 250 {
 251         unsigned int ret_data_size = 4;
 252         char *p = pdata;
 253
 254         SMB_ASSERT(total_data_size >= 4);
 255
 256         if (!lp_ea_support(SNUM(conn))) {
 257                 SIVAL(pdata,4,0);
 258                 return 4;
 259         }
 260
 261         for (p = pdata + 4; ea_list; ea_list = ea_list->next) {
 262                 size_t dos_namelen;
 263                 fstring dos_ea_name;
 264                 push_ascii_fstring(dos_ea_name, ea_list->ea.name);
 265                 dos_namelen = strlen(dos_ea_name);
 266                 if (dos_namelen > 255 || dos_namelen == 0) {
 267                         break;
 268                 }
 269                 if (ea_list->ea.value.length > 65535) {
 270                         break;
 271                 }
 272                 if (4 + dos_namelen + 1 + ea_list->ea.value.length > total_data_size) {
 273                         break;
 274                 }
 275
 276                 /* We know we have room. */
 277                 SCVAL(p,0,ea_list->ea.flags);
 278                 SCVAL(p,1,dos_namelen);
 279                 SSVAL(p,2,ea_list->ea.value.length);
 280                 fstrcpy(p+4, dos_ea_name);
 281                 memcpy( p + 4 + dos_namelen + 1, ea_list->ea.value.data, ea_list->ea.value.length);
 282
 283                 total_data_size -= 4 + dos_namelen + 1 + ea_list->ea.value.length;
 284                 p += 4 + dos_namelen + 1 + ea_list->ea.value.length;
 285         }
 286
 287         ret_data_size = PTR_DIFF(p, pdata);
 288         DEBUG(10,("fill_ea_buffer: data_size = %u\n", ret_data_size ));
 289         SIVAL(pdata,0,ret_data_size);
 290         return ret_data_size;
 291 }
 292
 293 static unsigned int estimate_ea_size(connection_struct *conn, files_struct *fsp, const char *fname)
 294 {
 295         size_t total_ea_len = 0;
 296         TALLOC_CTX *mem_ctx = NULL;
 297
 298         if (!lp_ea_support(SNUM(conn))) {
 299                 return 0;
 300         }
 301         mem_ctx = talloc_init("estimate_ea_size");
 302         (void)get_ea_list_from_file(mem_ctx, conn, fsp, fname, &total_ea_len);
 303         talloc_destroy(mem_ctx);
 304         return total_ea_len;
 305 }
 306
 307 /****************************************************************************
 308  Ensure the EA name is case insensitive by matching any existing EA name.
 309 ****************************************************************************/
 310
 311 static void canonicalize_ea_name(connection_struct *conn, files_struct *fsp, const char *fname, fstring unix_ea_name)
 312 {
 313         size_t total_ea_len;
 314         TALLOC_CTX *mem_ctx = talloc_init("canonicalize_ea_name");
 315         struct ea_list *ea_list = get_ea_list_from_file(mem_ctx, conn, fsp, fname, &total_ea_len);
 316
 317         for (; ea_list; ea_list = ea_list->next) {
 318                 if (strequal(&unix_ea_name[5], ea_list->ea.name)) {
 319                         DEBUG(10,("canonicalize_ea_name: %s -> %s\n",
 320                                 &unix_ea_name[5], ea_list->ea.name));
 321                         safe_strcpy(&unix_ea_name[5], ea_list->ea.name, sizeof(fstring)-6);
 322                         break;
 323                 }
 324         }
 325         talloc_destroy(mem_ctx);
 326 }
 327
 328 /****************************************************************************
 329  Set or delete an extended attribute.
 330 ****************************************************************************/
 331
 332 NTSTATUS set_ea(connection_struct *conn, files_struct *fsp, const char *fname, struct ea_list *ea_list)
 333 {
 334         if (!lp_ea_support(SNUM(conn))) {
 335                 return NT_STATUS_EAS_NOT_SUPPORTED;
 336         }
 337
 338         for (;ea_list; ea_list = ea_list->next) {
 339                 int ret;
 340                 fstring unix_ea_name;
 341
 342                 fstrcpy(unix_ea_name, "user."); /* All EA's must start with user. */
 343                 fstrcat(unix_ea_name, ea_list->ea.name);
 344
 345                 canonicalize_ea_name(conn, fsp, fname, unix_ea_name);
 346
 347                 DEBUG(10,("set_ea: ea_name %s ealen = %u\n", unix_ea_name, (unsigned int)ea_list->ea.value.length));
 348
 349                 if (samba_private_attr_name(unix_ea_name)) {
 350                         DEBUG(10,("set_ea: ea name %s is a private Samba name.\n", unix_ea_name));
 351                         return NT_STATUS_ACCESS_DENIED;
 352                 }
 353
 354                 if (ea_list->ea.value.length == 0) {
 355                         /* Remove the attribute. */
 356                         if (fsp && (fsp->fh->fd != -1)) {
 357                                 DEBUG(10,("set_ea: deleting ea name %s on file %s by file descriptor.\n",
 358                                         unix_ea_name, fsp->fsp_name));
 359                                 ret = SMB_VFS_FREMOVEXATTR(fsp, fsp->fh->fd, unix_ea_name);
 360                         } else {
 361                                 DEBUG(10,("set_ea: deleting ea name %s on file %s.\n",
 362                                         unix_ea_name, fname));
 363                                 ret = SMB_VFS_REMOVEXATTR(conn, fname, unix_ea_name);
 364                         }
 365 #ifdef ENOATTR
 366                         /* Removing a non existent attribute always succeeds. */
 367                         if (ret == -1 && errno == ENOATTR) {
 368                                 DEBUG(10,("set_ea: deleting ea name %s didn't exist - succeeding by default.\n",
 369                                                 unix_ea_name));
 370                                 ret = 0;
 371                         }
 372 #endif
 373                 } else {
 374                         if (fsp && (fsp->fh->fd != -1)) {
 375                                 DEBUG(10,("set_ea: setting ea name %s on file %s by file descriptor.\n",
 376                                         unix_ea_name, fsp->fsp_name));
 377                                 ret = SMB_VFS_FSETXATTR(fsp, fsp->fh->fd, unix_ea_name,
 378                                                         ea_list->ea.value.data, ea_list->ea.value.length, 0);
 379                         } else {
 380                                 DEBUG(10,("set_ea: setting ea name %s on file %s.\n",
 381                                         unix_ea_name, fname));
 382                                 ret = SMB_VFS_SETXATTR(conn, fname, unix_ea_name,
 383                                                         ea_list->ea.value.data, ea_list->ea.value.length, 0);
 384                         }
 385                 }
 386
 387                 if (ret == -1) {
 388 #ifdef ENOTSUP
 389                         if (errno == ENOTSUP) {
 390                                 return NT_STATUS_EAS_NOT_SUPPORTED;
 391                         }
 392 #endif
 393                         return map_nt_error_from_unix(errno);
 394                 }
 395
 396         }
 397         return NT_STATUS_OK;
 398 }
 399 /****************************************************************************
 400  Read a list of EA names from an incoming data buffer. Create an ea_list with them.
 401 ****************************************************************************/
 402
 403 static struct ea_list *read_ea_name_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
 404 {
 405         struct ea_list *ea_list_head = NULL;
 406         size_t offset = 0;
 407
 408         while (offset + 2 < data_size) {
 409                 struct ea_list *eal = TALLOC_ZERO_P(ctx, struct ea_list);
 410                 unsigned int namelen = CVAL(pdata,offset);
 411
 412                 offset++; /* Go past the namelen byte. */
 413
 414                 /* integer wrap paranioa. */
 415                 if ((offset + namelen < offset) || (offset + namelen < namelen) ||
 416                                 (offset > data_size) || (namelen > data_size) ||
 417                                 (offset + namelen >= data_size)) {
 418                         break;
 419                 }
 420                 /* Ensure the name is null terminated. */
 421                 if (pdata[offset + namelen] != '\0') {
 422                         return NULL;
 423                 }
 424                 pull_ascii_talloc(ctx, &eal->ea.name, &pdata[offset]);
 425                 if (!eal->ea.name) {
 426                         return NULL;
 427                 }
 428
 429                 offset += (namelen + 1); /* Go past the name + terminating zero. */
 430                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
 431                 DEBUG(10,("read_ea_name_list: read ea name %s\n", eal->ea.name));
 432         }
 433
 434         return ea_list_head;
 435 }
 436
 437 /****************************************************************************
 438  Read one EA list entry from the buffer.
 439 ****************************************************************************/
 440
 441 struct ea_list *read_ea_list_entry(TALLOC_CTX *ctx, const char *pdata, size_t data_size, size_t *pbytes_used)
 442 {
 443         struct ea_list *eal = TALLOC_ZERO_P(ctx, struct ea_list);
 444         uint16 val_len;
 445         unsigned int namelen;
 446
 447         if (!eal) {
 448                 return NULL;
 449         }
 450
 451         if (data_size < 6) {
 452                 return NULL;
 453         }
 454
 455         eal->ea.flags = CVAL(pdata,0);
 456         namelen = CVAL(pdata,1);
 457         val_len = SVAL(pdata,2);
 458
 459         if (4 + namelen + 1 + val_len > data_size) {
 460                 return NULL;
 461         }
 462
 463         /* Ensure the name is null terminated. */
 464         if (pdata[namelen + 4] != '\0') {
 465                 return NULL;
 466         }
 467         pull_ascii_talloc(ctx, &eal->ea.name, pdata + 4);
 468         if (!eal->ea.name) {
 469                 return NULL;
 470         }
 471
 472         eal->ea.value = data_blob_talloc(eal, NULL, (size_t)val_len + 1);
 473         if (!eal->ea.value.data) {
 474                 return NULL;
 475         }
 476
 477         memcpy(eal->ea.value.data, pdata + 4 + namelen + 1, val_len);
 478
 479         /* Ensure we're null terminated just in case we print the value. */
 480         eal->ea.value.data[val_len] = '\0';
 481         /* But don't count the null. */
 482         eal->ea.value.length--;
 483
 484         if (pbytes_used) {
 485                 *pbytes_used = 4 + namelen + 1 + val_len;
 486         }
 487
 488         DEBUG(10,("read_ea_list_entry: read ea name %s\n", eal->ea.name));
 489         dump_data(10, eal->ea.value.data, eal->ea.value.length);
 490
 491         return eal;
 492 }
 493
 494 /****************************************************************************
 495  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
 496 ****************************************************************************/
 497
 498 static struct ea_list *read_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
 499 {
 500         struct ea_list *ea_list_head = NULL;
 501         size_t offset = 0;
 502         size_t bytes_used = 0;
 503
 504         while (offset < data_size) {
 505                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset, data_size - offset, &bytes_used);
 506
 507                 if (!eal) {
 508                         return NULL;
 509                 }
 510
 511                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
 512                 offset += bytes_used;
 513         }
 514
 515         return ea_list_head;
 516 }
 517
 518 /****************************************************************************
 519  Count the total EA size needed.
 520 ****************************************************************************/
 521
 522 static size_t ea_list_size(struct ea_list *ealist)
 523 {
 524         fstring dos_ea_name;
 525         struct ea_list *listp;
 526         size_t ret = 0;
 527
 528         for (listp = ealist; listp; listp = listp->next) {
 529                 push_ascii_fstring(dos_ea_name, listp->ea.name);
 530                 ret += 4 + strlen(dos_ea_name) + 1 + listp->ea.value.length;
 531         }
 532         /* Add on 4 for total length. */
 533         if (ret) {
 534                 ret += 4;
 535         }
 536
 537         return ret;
 538 }
 539
 540 /****************************************************************************
 541  Return a union of EA's from a file list and a list of names.
 542  The TALLOC context for the two lists *MUST* be identical as we steal
 543  memory from one list to add to another. JRA.
 544 ****************************************************************************/
 545
 546 static struct ea_list *ea_list_union(struct ea_list *name_list, struct ea_list *file_list, size_t *total_ea_len)
 547 {
 548         struct ea_list *nlistp, *flistp;
 549
 550         for (nlistp = name_list; nlistp; nlistp = nlistp->next) {
 551                 for (flistp = file_list; flistp; flistp = flistp->next) {
 552                         if (strequal(nlistp->ea.name, flistp->ea.name)) {
 553                                 break;
 554                         }
 555                 }
 556
 557                 if (flistp) {
 558                         /* Copy the data from this entry. */
 559                         nlistp->ea.flags = flistp->ea.flags;
 560                         nlistp->ea.value = flistp->ea.value;
 561                 } else {
 562                         /* Null entry. */
 563                         nlistp->ea.flags = 0;
 564                         ZERO_STRUCT(nlistp->ea.value);
 565                 }
 566         }
 567
 568         *total_ea_len = ea_list_size(name_list);
 569         return name_list;
 570 }
 571
 572 /****************************************************************************
 573   Send the required number of replies back.
 574   We assume all fields other than the data fields are
 575   set correctly for the type of call.
 576   HACK ! Always assumes smb_setup field is zero.
 577 ****************************************************************************/
 578
 579 void send_trans2_replies(struct smb_request *req,
 580                          const char *params,
 581                          int paramsize,
 582                          const char *pdata,
 583                          int datasize,
 584                          int max_data_bytes)
 585 {
 586         /* As we are using a protocol > LANMAN1 then the max_send
 587          variable must have been set in the sessetupX call.
 588          This takes precedence over the max_xmit field in the
 589          global struct. These different max_xmit variables should
 590          be merged as this is now too confusing */
 591
 592         int data_to_send = datasize;
 593         int params_to_send = paramsize;
 594         int useable_space;
 595         const char *pp = params;
 596         const char *pd = pdata;
 597         int params_sent_thistime, data_sent_thistime, total_sent_thistime;
 598         int alignment_offset = 1; /* JRA. This used to be 3. Set to 1 to make netmon parse ok. */
 599         int data_alignment_offset = 0;
 600         bool overflow = False;
 601
 602         /* Modify the data_to_send and datasize and set the error if
 603            we're trying to send more than max_data_bytes. We still send
 604            the part of the packet(s) that fit. Strange, but needed
 605            for OS/2. */
 606
 607         if (max_data_bytes > 0 && datasize > max_data_bytes) {
 608                 DEBUG(5,("send_trans2_replies: max_data_bytes %d exceeded by data %d\n",
 609                         max_data_bytes, datasize ));
 610                 datasize = data_to_send = max_data_bytes;
 611                 overflow = True;
 612         }
 613
 614         /* If there genuinely are no parameters or data to send just send the empty packet */
 615
 616         if(params_to_send == 0 && data_to_send == 0) {
 617                 reply_outbuf(req, 10, 0);
 618                 show_msg((char *)req->outbuf);
 619                 return;
 620         }
 621
 622         /* When sending params and data ensure that both are nicely aligned */
 623         /* Only do this alignment when there is also data to send - else
 624                 can cause NT redirector problems. */
 625
 626         if (((params_to_send % 4) != 0) && (data_to_send != 0))
 627                 data_alignment_offset = 4 - (params_to_send % 4);
 628
 629         /* Space is bufsize minus Netbios over TCP header minus SMB header */
 630         /* The alignment_offset is to align the param bytes on an even byte
 631                 boundary. NT 4.0 Beta needs this to work correctly. */
 632
 633         useable_space = max_send - (smb_size
 634                                     + 2 * 10 /* wct */
 635                                     + alignment_offset
 636                                     + data_alignment_offset);
 637
 638         /* useable_space can never be more than max_send minus the alignment offset. */
 639
 640         useable_space = MIN(useable_space, max_send - (alignment_offset+data_alignment_offset));
 641
 642         while (params_to_send || data_to_send) {
 643                 /* Calculate whether we will totally or partially fill this packet */
 644
 645                 total_sent_thistime = params_to_send + data_to_send + alignment_offset + data_alignment_offset;
 646
 647                 /* We can never send more than useable_space */
 648                 /*
 649                  * Note that 'useable_space' does not include the alignment offsets,
 650                  * but we must include the alignment offsets in the calculation of
 651                  * the length of the data we send over the wire, as the alignment offsets
 652                  * are sent here. Fix from Marc_Jacobsen@hp.com.
 653                  */
 654
 655                 total_sent_thistime = MIN(total_sent_thistime, useable_space+ alignment_offset + data_alignment_offset);
 656
 657                 reply_outbuf(req, 10, total_sent_thistime);
 658
 659                 /* Set total params and data to be sent */
 660                 SSVAL(req->outbuf,smb_tprcnt,paramsize);
 661                 SSVAL(req->outbuf,smb_tdrcnt,datasize);
 662
 663                 /* Calculate how many parameters and data we can fit into
 664                  * this packet. Parameters get precedence
 665                  */
 666
 667                 params_sent_thistime = MIN(params_to_send,useable_space);
 668                 data_sent_thistime = useable_space - params_sent_thistime;
 669                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
 670
 671                 SSVAL(req->outbuf,smb_prcnt, params_sent_thistime);
 672
 673                 /* smb_proff is the offset from the start of the SMB header to the
 674                         parameter bytes, however the first 4 bytes of outbuf are
 675                         the Netbios over TCP header. Thus use smb_base() to subtract
 676                         them from the calculation */
 677
 678                 SSVAL(req->outbuf,smb_proff,
 679                       ((smb_buf(req->outbuf)+alignment_offset)
 680                        - smb_base(req->outbuf)));
 681
 682                 if(params_sent_thistime == 0)
 683                         SSVAL(req->outbuf,smb_prdisp,0);
 684                 else
 685                         /* Absolute displacement of param bytes sent in this packet */
 686                         SSVAL(req->outbuf,smb_prdisp,pp - params);
 687
 688                 SSVAL(req->outbuf,smb_drcnt, data_sent_thistime);
 689                 if(data_sent_thistime == 0) {
 690                         SSVAL(req->outbuf,smb_droff,0);
 691                         SSVAL(req->outbuf,smb_drdisp, 0);
 692                 } else {
 693                         /* The offset of the data bytes is the offset of the
 694                                 parameter bytes plus the number of parameters being sent this time */
 695                         SSVAL(req->outbuf, smb_droff,
 696                               ((smb_buf(req->outbuf)+alignment_offset)
 697                                - smb_base(req->outbuf))
 698                               + params_sent_thistime + data_alignment_offset);
 699                         SSVAL(req->outbuf,smb_drdisp, pd - pdata);
 700                 }
 701
 702                 /* Initialize the padding for alignment */
 703
 704                 if (alignment_offset != 0) {
 705                         memset(smb_buf(req->outbuf), 0, alignment_offset);
 706                 }
 707
 708                 /* Copy the param bytes into the packet */
 709
 710                 if(params_sent_thistime) {
 711                         memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
 712                                params_sent_thistime);
 713                 }
 714
 715                 /* Copy in the data bytes */
 716                 if(data_sent_thistime) {
 717                         if (data_alignment_offset != 0) {
 718                                 memset((smb_buf(req->outbuf)+alignment_offset+
 719                                         params_sent_thistime), 0,
 720                                        data_alignment_offset);
 721                         }
 722                         memcpy(smb_buf(req->outbuf)+alignment_offset
 723                                +params_sent_thistime+data_alignment_offset,
 724                                pd,data_sent_thistime);
 725                 }
 726
 727                 DEBUG(9,("t2_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
 728                         params_sent_thistime, data_sent_thistime, useable_space));
 729                 DEBUG(9,("t2_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
 730                         params_to_send, data_to_send, paramsize, datasize));
 731
 732                 if (overflow) {
 733                         error_packet_set((char *)req->outbuf,
 734                                          ERRDOS,ERRbufferoverflow,
 735                                          STATUS_BUFFER_OVERFLOW,
 736                                          __LINE__,__FILE__);
 737                 }
 738
 739                 /* Send the packet */
 740                 show_msg((char *)req->outbuf);
 741                 if (!send_smb(smbd_server_fd(),(char *)req->outbuf))
 742                         exit_server_cleanly("send_trans2_replies: send_smb failed.");
 743
 744                 TALLOC_FREE(req->outbuf);
 745
 746                 pp += params_sent_thistime;
 747                 pd += data_sent_thistime;
 748
 749                 params_to_send -= params_sent_thistime;
 750                 data_to_send -= data_sent_thistime;
 751
 752                 /* Sanity check */
 753                 if(params_to_send < 0 || data_to_send < 0) {
 754                         DEBUG(0,("send_trans2_replies failed sanity check pts = %d, dts = %d\n!!!",
 755                                 params_to_send, data_to_send));
 756                         return;
 757                 }
 758         }
 759
 760         return;
 761 }
 762
 763 /****************************************************************************
 764  Reply to a TRANSACT2_OPEN.
 765 ****************************************************************************/
 766
 767 static void call_trans2open(connection_struct *conn,
 768                             struct smb_request *req,
 769                             char **pparams, int total_params,
 770                             char **ppdata, int total_data,
 771                             unsigned int max_data_bytes)
 772 {
 773         char *params = *pparams;
 774         char *pdata = *ppdata;
 775         int deny_mode;
 776         int32 open_attr;
 777         bool oplock_request;
 778 #if 0
 779         bool return_additional_info;
 780         int16 open_sattr;
 781         time_t open_time;
 782 #endif
 783         int open_ofun;
 784         uint32 open_size;
 785         char *pname;
 786         char *fname = NULL;
 787         SMB_OFF_T size=0;
 788         int fattr=0,mtime=0;
 789         SMB_INO_T inode = 0;
 790         SMB_STRUCT_STAT sbuf;
 791         int smb_action = 0;
 792         files_struct *fsp;
 793         struct ea_list *ea_list = NULL;
 794         uint16 flags = 0;
 795         NTSTATUS status;
 796         uint32 access_mask;
 797         uint32 share_mode;
 798         uint32 create_disposition;
 799         uint32 create_options = 0;
 800         TALLOC_CTX *ctx = talloc_tos();
 801
 802         /*
 803          * Ensure we have enough parameters to perform the operation.
 804          */
 805
 806         if (total_params < 29) {
 807                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 808                 return;
 809         }
 810
 811         flags = SVAL(params, 0);
 812         deny_mode = SVAL(params, 2);
 813         open_attr = SVAL(params,6);
 814         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 815         if (oplock_request) {
 816                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
 817         }
 818
 819 #if 0
 820         return_additional_info = BITSETW(params,0);
 821         open_sattr = SVAL(params, 4);
 822         open_time = make_unix_date3(params+8);
 823 #endif
 824         open_ofun = SVAL(params,12);
 825         open_size = IVAL(params,14);
 826         pname = &params[28];
 827
 828         if (IS_IPC(conn)) {
 829                 reply_doserror(req, ERRSRV, ERRaccess);
 830                 return;
 831         }
 832
 833         srvstr_get_path(ctx, params, req->flags2, &fname, pname,
 834                         total_params - 28, STR_TERMINATE,
 835                         &status);
 836         if (!NT_STATUS_IS_OK(status)) {
 837                 reply_nterror(req, status);
 838                 return;
 839         }
 840
 841         DEBUG(3,("call_trans2open %s deny_mode=0x%x attr=%d ofun=0x%x size=%d\n",
 842                 fname, (unsigned int)deny_mode, (unsigned int)open_attr,
 843                 (unsigned int)open_ofun, open_size));
 844
 845         /* XXXX we need to handle passed times, sattr and flags */
 846
 847         status = unix_convert(ctx, conn, fname, False, &fname, NULL, &sbuf);
 848         if (!NT_STATUS_IS_OK(status)) {
 849                 reply_nterror(req, status);
 850                 return;
 851         }
 852
 853         status = check_name(conn, fname);
 854         if (!NT_STATUS_IS_OK(status)) {
 855                 reply_nterror(req, status);
 856                 return;
 857         }
 858
 859         if (open_ofun == 0) {
 860                 reply_nterror(req, NT_STATUS_OBJECT_NAME_COLLISION);
 861                 return;
 862         }
 863
 864         if (!map_open_params_to_ntcreate(fname, deny_mode, open_ofun,
 865                                 &access_mask,
 866                                 &share_mode,
 867                                 &create_disposition,
 868                                 &create_options)) {
 869                 reply_doserror(req, ERRDOS, ERRbadaccess);
 870                 return;
 871         }
 872
 873         /* Any data in this call is an EA list. */
 874         if (total_data && (total_data != 4) && !lp_ea_support(SNUM(conn))) {
 875                 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
 876                 return;
 877         }
 878
 879         if (total_data != 4) {
 880                 if (total_data < 10) {
 881                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 882                         return;
 883                 }
 884
 885                 if (IVAL(pdata,0) > total_data) {
 886                         DEBUG(10,("call_trans2open: bad total data size (%u) > %u\n",
 887                                 IVAL(pdata,0), (unsigned int)total_data));
 888                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 889                         return;
 890                 }
 891
 892                 ea_list = read_ea_list(talloc_tos(), pdata + 4,
 893                                        total_data - 4);
 894                 if (!ea_list) {
 895                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 896                         return;
 897                 }
 898         } else if (IVAL(pdata,0) != 4) {
 899                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 900                 return;
 901         }
 902
 903         status = open_file_ntcreate(conn, req, fname, &sbuf,
 904                 access_mask,
 905                 share_mode,
 906                 create_disposition,
 907                 create_options,
 908                 open_attr,
 909                 oplock_request,
 910                 &smb_action, &fsp);
 911
 912         if (!NT_STATUS_IS_OK(status)) {
 913                 if (open_was_deferred(req->mid)) {
 914                         /* We have re-scheduled this call. */
 915                         return;
 916                 }
 917                 reply_openerror(req, status);
 918                 return;
 919         }
 920
 921         size = get_file_size(sbuf);
 922         fattr = dos_mode(conn,fname,&sbuf);
 923         mtime = sbuf.st_mtime;
 924         inode = sbuf.st_ino;
 925         if (fattr & aDIR) {
 926                 close_file(fsp,ERROR_CLOSE);
 927                 reply_doserror(req, ERRDOS,ERRnoaccess);
 928                 return;
 929         }
 930
 931         /* Save the requested allocation size. */
 932         /* Allocate space for the file if a size hint is supplied */
 933         if ((smb_action == FILE_WAS_CREATED) || (smb_action == FILE_WAS_OVERWRITTEN)) {
 934                 SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)open_size;
 935                 if (allocation_size && (allocation_size > (SMB_BIG_UINT)size)) {
 936                         fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
 937                         if (fsp->is_directory) {
 938                                 close_file(fsp,ERROR_CLOSE);
 939                                 /* Can't set allocation size on a directory. */
 940                                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
 941                                 return;
 942                         }
 943                         if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
 944                                 close_file(fsp,ERROR_CLOSE);
 945                                 reply_nterror(req, NT_STATUS_DISK_FULL);
 946                                 return;
 947                         }
 948
 949                         /* Adjust size here to return the right size in the reply.
 950                            Windows does it this way. */
 951                         size = fsp->initial_allocation_size;
 952                 } else {
 953                         fsp->initial_allocation_size = smb_roundup(fsp->conn,(SMB_BIG_UINT)size);
 954                 }
 955         }
 956
 957         if (ea_list && smb_action == FILE_WAS_CREATED) {
 958                 status = set_ea(conn, fsp, fname, ea_list);
 959                 if (!NT_STATUS_IS_OK(status)) {
 960                         close_file(fsp,ERROR_CLOSE);
 961                         reply_nterror(req, status);
 962                         return;
 963                 }
 964         }
 965
 966         /* Realloc the size of parameters and data we will return */
 967         *pparams = (char *)SMB_REALLOC(*pparams, 30);
 968         if(*pparams == NULL ) {
 969                 reply_nterror(req, NT_STATUS_NO_MEMORY);
 970                 return;
 971         }
 972         params = *pparams;
 973
 974         SSVAL(params,0,fsp->fnum);
 975         SSVAL(params,2,fattr);
 976         srv_put_dos_date2(params,4, mtime);
 977         SIVAL(params,8, (uint32)size);
 978         SSVAL(params,12,deny_mode);
 979         SSVAL(params,14,0); /* open_type - file or directory. */
 980         SSVAL(params,16,0); /* open_state - only valid for IPC device. */
 981
 982         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
 983                 smb_action |= EXTENDED_OPLOCK_GRANTED;
 984         }
 985
 986         SSVAL(params,18,smb_action);
 987
 988         /*
 989          * WARNING - this may need to be changed if SMB_INO_T <> 4 bytes.
 990          */
 991         SIVAL(params,20,inode);
 992         SSVAL(params,24,0); /* Padding. */
 993         if (flags & 8) {
 994                 uint32 ea_size = estimate_ea_size(conn, fsp, fname);
 995                 SIVAL(params, 26, ea_size);
 996         } else {
 997                 SIVAL(params, 26, 0);
 998         }
 999
1000         /* Send the required number of replies */
1001         send_trans2_replies(req, params, 30, *ppdata, 0, max_data_bytes);
1002 }
1003
1004 /*********************************************************
1005  Routine to check if a given string matches exactly.
1006  as a special case a mask of "." does NOT match. That
1007  is required for correct wildcard semantics
1008  Case can be significant or not.
1009 **********************************************************/
1010
1011 static bool exact_match(connection_struct *conn,
1012                 const char *str,
1013                 const char *mask)
1014 {
1015         if (mask[0] == '.' && mask[1] == 0)
1016                 return False;
1017         if (conn->case_sensitive)
1018                 return strcmp(str,mask)==0;
1019         if (StrCaseCmp(str,mask) != 0) {
1020                 return False;
1021         }
1022         if (dptr_has_wild(conn->dirptr)) {
1023                 return False;
1024         }
1025         return True;
1026 }
1027
1028 /****************************************************************************
1029  Return the filetype for UNIX extensions.
1030 ****************************************************************************/
1031
1032 static uint32 unix_filetype(mode_t mode)
1033 {
1034         if(S_ISREG(mode))
1035                 return UNIX_TYPE_FILE;
1036         else if(S_ISDIR(mode))
1037                 return UNIX_TYPE_DIR;
1038 #ifdef S_ISLNK
1039         else if(S_ISLNK(mode))
1040                 return UNIX_TYPE_SYMLINK;
1041 #endif
1042 #ifdef S_ISCHR
1043         else if(S_ISCHR(mode))
1044                 return UNIX_TYPE_CHARDEV;
1045 #endif
1046 #ifdef S_ISBLK
1047         else if(S_ISBLK(mode))
1048                 return UNIX_TYPE_BLKDEV;
1049 #endif
1050 #ifdef S_ISFIFO
1051         else if(S_ISFIFO(mode))
1052                 return UNIX_TYPE_FIFO;
1053 #endif
1054 #ifdef S_ISSOCK
1055         else if(S_ISSOCK(mode))
1056                 return UNIX_TYPE_SOCKET;
1057 #endif
1058
1059         DEBUG(0,("unix_filetype: unknown filetype %u", (unsigned)mode));
1060         return UNIX_TYPE_UNKNOWN;
1061 }
1062
1063 /****************************************************************************
1064  Map wire perms onto standard UNIX permissions. Obey share restrictions.
1065 ****************************************************************************/
1066
1067 enum perm_type { PERM_NEW_FILE, PERM_NEW_DIR, PERM_EXISTING_FILE, PERM_EXISTING_DIR};
1068
1069 static NTSTATUS unix_perms_from_wire( connection_struct *conn,
1070                                 SMB_STRUCT_STAT *psbuf,
1071                                 uint32 perms,
1072                                 enum perm_type ptype,
1073                                 mode_t *ret_perms)
1074 {
1075         mode_t ret = 0;
1076
1077         if (perms == SMB_MODE_NO_CHANGE) {
1078                 if (!VALID_STAT(*psbuf)) {
1079                         return NT_STATUS_INVALID_PARAMETER;
1080                 } else {
1081                         *ret_perms = psbuf->st_mode;
1082                         return NT_STATUS_OK;
1083                 }
1084         }
1085
1086         ret |= ((perms & UNIX_X_OTH ) ? S_IXOTH : 0);
1087         ret |= ((perms & UNIX_W_OTH ) ? S_IWOTH : 0);
1088         ret |= ((perms & UNIX_R_OTH ) ? S_IROTH : 0);
1089         ret |= ((perms & UNIX_X_GRP ) ? S_IXGRP : 0);
1090         ret |= ((perms & UNIX_W_GRP ) ? S_IWGRP : 0);
1091         ret |= ((perms & UNIX_R_GRP ) ? S_IRGRP : 0);
1092         ret |= ((perms & UNIX_X_USR ) ? S_IXUSR : 0);
1093         ret |= ((perms & UNIX_W_USR ) ? S_IWUSR : 0);
1094         ret |= ((perms & UNIX_R_USR ) ? S_IRUSR : 0);
1095 #ifdef S_ISVTX
1096         ret |= ((perms & UNIX_STICKY ) ? S_ISVTX : 0);
1097 #endif
1098 #ifdef S_ISGID
1099         ret |= ((perms & UNIX_SET_GID ) ? S_ISGID : 0);
1100 #endif
1101 #ifdef S_ISUID
1102         ret |= ((perms & UNIX_SET_UID ) ? S_ISUID : 0);
1103 #endif
1104
1105         switch (ptype) {
1106         case PERM_NEW_FILE:
1107                 /* Apply mode mask */
1108                 ret &= lp_create_mask(SNUM(conn));
1109                 /* Add in force bits */
1110                 ret |= lp_force_create_mode(SNUM(conn));
1111                 break;
1112         case PERM_NEW_DIR:
1113                 ret &= lp_dir_mask(SNUM(conn));
1114                 /* Add in force bits */
1115                 ret |= lp_force_dir_mode(SNUM(conn));
1116                 break;
1117         case PERM_EXISTING_FILE:
1118                 /* Apply mode mask */
1119                 ret &= lp_security_mask(SNUM(conn));
1120                 /* Add in force bits */
1121                 ret |= lp_force_security_mode(SNUM(conn));
1122                 break;
1123         case PERM_EXISTING_DIR:
1124                 /* Apply mode mask */
1125                 ret &= lp_dir_security_mask(SNUM(conn));
1126                 /* Add in force bits */
1127                 ret |= lp_force_dir_security_mode(SNUM(conn));
1128                 break;
1129         }
1130
1131         *ret_perms = ret;
1132         return NT_STATUS_OK;
1133 }
1134
1135 /****************************************************************************
1136  Get a level dependent lanman2 dir entry.
1137 ****************************************************************************/
1138
1139 static bool get_lanman2_dir_entry(TALLOC_CTX *ctx,
1140                                 connection_struct *conn,
1141                                 uint16 flags2,
1142                                 const char *path_mask,
1143                                 uint32 dirtype,
1144                                 int info_level,
1145                                 int requires_resume_key,
1146                                 bool dont_descend,
1147                                 char **ppdata,
1148                                 char *base_data,
1149                                 char *end_data,
1150                                 int space_remaining,
1151                                 bool *out_of_space,
1152                                 bool *got_exact_match,
1153                                 int *last_entry_off,
1154                                 struct ea_list *name_list)
1155 {
1156         const char *dname;
1157         bool found = False;
1158         SMB_STRUCT_STAT sbuf;
1159         const char *mask = NULL;
1160         char *pathreal = NULL;
1161         const char *fname = NULL;
1162         char *p, *q, *pdata = *ppdata;
1163         uint32 reskey=0;
1164         long prev_dirpos=0;
1165         uint32 mode=0;
1166         SMB_OFF_T file_size = 0;
1167         SMB_BIG_UINT allocation_size = 0;
1168         uint32 len;
1169         struct timespec mdate_ts, adate_ts, create_date_ts;
1170         time_t mdate = (time_t)0, adate = (time_t)0, create_date = (time_t)0;
1171         char *nameptr;
1172         char *last_entry_ptr;
1173         bool was_8_3;
1174         uint32 nt_extmode; /* Used for NT connections instead of mode */
1175         bool needslash = ( conn->dirpath[strlen(conn->dirpath) -1] != '/');
1176         bool check_mangled_names = lp_manglednames(conn->params);
1177         char mangled_name[13]; /* mangled 8.3 name. */
1178
1179         *out_of_space = False;
1180         *got_exact_match = False;
1181
1182         ZERO_STRUCT(mdate_ts);
1183         ZERO_STRUCT(adate_ts);
1184         ZERO_STRUCT(create_date_ts);
1185
1186         if (!conn->dirptr) {
1187                 return(False);
1188         }
1189
1190         p = strrchr_m(path_mask,'/');
1191         if(p != NULL) {
1192                 if(p[1] == '\0') {
1193                         mask = talloc_strdup(ctx,"*.*");
1194                 } else {
1195                         mask = p+1;
1196                 }
1197         } else {
1198                 mask = path_mask;
1199         }
1200
1201         while (!found) {
1202                 bool got_match;
1203                 bool ms_dfs_link = False;
1204
1205                 /* Needed if we run out of space */
1206                 long curr_dirpos = prev_dirpos = dptr_TellDir(conn->dirptr);
1207                 dname = dptr_ReadDirName(ctx,conn->dirptr,&curr_dirpos,&sbuf);
1208
1209                 /*
1210                  * Due to bugs in NT client redirectors we are not using
1211                  * resume keys any more - set them to zero.
1212                  * Check out the related comments in findfirst/findnext.
1213                  * JRA.
1214                  */
1215
1216                 reskey = 0;
1217
1218                 DEBUG(8,("get_lanman2_dir_entry:readdir on dirptr 0x%lx now at offset %ld\n",
1219                         (long)conn->dirptr,curr_dirpos));
1220
1221                 if (!dname) {
1222                         return(False);
1223                 }
1224
1225                 /*
1226                  * fname may get mangled, dname is never mangled.
1227                  * Whenever we're accessing the filesystem we use
1228                  * pathreal which is composed from dname.
1229                  */
1230
1231                 pathreal = NULL;
1232                 fname = dname;
1233
1234                 /* Mangle fname if it's an illegal name. */
1235                 if (mangle_must_mangle(dname,conn->params)) {
1236                         if (!name_to_8_3(dname,mangled_name,True,conn->params)) {
1237                                 continue; /* Error - couldn't mangle. */
1238                         }
1239                         fname = mangled_name;
1240                 }
1241
1242                 if(!(got_match = *got_exact_match = exact_match(conn, fname, mask))) {
1243                         got_match = mask_match(fname, mask, conn->case_sensitive);
1244                 }
1245
1246                 if(!got_match && check_mangled_names &&
1247                    !mangle_is_8_3(fname, False, conn->params)) {
1248                         /*
1249                          * It turns out that NT matches wildcards against
1250                          * both long *and* short names. This may explain some
1251                          * of the wildcard wierdness from old DOS clients
1252                          * that some people have been seeing.... JRA.
1253                          */
1254                         /* Force the mangling into 8.3. */
1255                         if (!name_to_8_3( fname, mangled_name, False, conn->params)) {
1256                                 continue; /* Error - couldn't mangle. */
1257                         }
1258
1259                         if(!(got_match = *got_exact_match = exact_match(conn, mangled_name, mask))) {
1260                                 got_match = mask_match(mangled_name, mask, conn->case_sensitive);
1261                         }
1262                 }
1263
1264                 if (got_match) {
1265                         bool isdots = (ISDOT(dname) || ISDOTDOT(dname));
1266
1267                         if (dont_descend && !isdots) {
1268                                 continue;
1269                         }
1270
1271                         if (needslash) {
1272                                 pathreal = NULL;
1273                                 pathreal = talloc_asprintf(ctx,
1274                                         "%s/%s",
1275                                         conn->dirpath,
1276                                         dname);
1277                         } else {
1278                                 pathreal = talloc_asprintf(ctx,
1279                                         "%s%s",
1280                                         conn->dirpath,
1281                                         dname);
1282                         }
1283
1284                         if (!pathreal) {
1285                                 return False;
1286                         }
1287
1288                         if (INFO_LEVEL_IS_UNIX(info_level)) {
1289                                 if (SMB_VFS_LSTAT(conn,pathreal,&sbuf) != 0) {
1290                                         DEBUG(5,("get_lanman2_dir_entry:Couldn't lstat [%s] (%s)\n",
1291                                                 pathreal,strerror(errno)));
1292                                         TALLOC_FREE(pathreal);
1293                                         continue;
1294                                 }
1295                         } else if (!VALID_STAT(sbuf) && SMB_VFS_STAT(conn,pathreal,&sbuf) != 0) {
1296                                 /* Needed to show the msdfs symlinks as
1297                                  * directories */
1298
1299                                 if(lp_host_msdfs() &&
1300                                    lp_msdfs_root(SNUM(conn)) &&
1301                                    ((ms_dfs_link = is_msdfs_link(conn, pathreal, &sbuf)) == True)) {
1302                                         DEBUG(5,("get_lanman2_dir_entry: Masquerading msdfs link %s "
1303                                                 "as a directory\n",
1304                                                 pathreal));
1305                                         sbuf.st_mode = (sbuf.st_mode & 0xFFF) | S_IFDIR;
1306
1307                                 } else {
1308
1309                                         DEBUG(5,("get_lanman2_dir_entry:Couldn't stat [%s] (%s)\n",
1310                                                 pathreal,strerror(errno)));
1311                                         TALLOC_FREE(pathreal);
1312                                         continue;
1313                                 }
1314                         }
1315
1316                         if (ms_dfs_link) {
1317                                 mode = dos_mode_msdfs(conn,pathreal,&sbuf);
1318                         } else {
1319                                 mode = dos_mode(conn,pathreal,&sbuf);
1320                         }
1321
1322                         if (!dir_check_ftype(conn,mode,dirtype)) {
1323                                 DEBUG(5,("get_lanman2_dir_entry: [%s] attribs didn't match %x\n",fname,dirtype));
1324                                 TALLOC_FREE(pathreal);
1325                                 continue;
1326                         }
1327
1328                         if (!(mode & aDIR)) {
1329                                 file_size = get_file_size(sbuf);
1330                         }
1331                         allocation_size = get_allocation_size(conn,NULL,&sbuf);
1332
1333                         mdate_ts = get_mtimespec(&sbuf);
1334                         adate_ts = get_atimespec(&sbuf);
1335                         create_date_ts = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1336
1337                         if (lp_dos_filetime_resolution(SNUM(conn))) {
1338                                 dos_filetime_timespec(&create_date_ts);
1339                                 dos_filetime_timespec(&mdate_ts);
1340                                 dos_filetime_timespec(&adate_ts);
1341                         }
1342
1343                         create_date = convert_timespec_to_time_t(create_date_ts);
1344                         mdate = convert_timespec_to_time_t(mdate_ts);
1345                         adate = convert_timespec_to_time_t(adate_ts);
1346
1347                         DEBUG(5,("get_lanman2_dir_entry: found %s fname=%s\n",pathreal,fname));
1348
1349                         found = True;
1350
1351                         dptr_DirCacheAdd(conn->dirptr, dname, curr_dirpos);
1352                 }
1353         }
1354
1355         p = pdata;
1356         last_entry_ptr = p;
1357
1358         nt_extmode = mode ? mode : FILE_ATTRIBUTE_NORMAL;
1359
1360         switch (info_level) {
1361                 case SMB_FIND_INFO_STANDARD:
1362                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_INFO_STANDARD\n"));
1363                         if(requires_resume_key) {
1364                                 SIVAL(p,0,reskey);
1365                                 p += 4;
1366                         }
1367                         srv_put_dos_date2(p,0,create_date);
1368                         srv_put_dos_date2(p,4,adate);
1369                         srv_put_dos_date2(p,8,mdate);
1370                         SIVAL(p,12,(uint32)file_size);
1371                         SIVAL(p,16,(uint32)allocation_size);
1372                         SSVAL(p,20,mode);
1373                         p += 23;
1374                         nameptr = p;
1375                         p += align_string(pdata, p, 0);
1376                         len = srvstr_push(base_data, flags2, p,
1377                                           fname, PTR_DIFF(end_data, p),
1378                                           STR_TERMINATE);
1379                         if (flags2 & FLAGS2_UNICODE_STRINGS) {
1380                                 if (len > 2) {
1381                                         SCVAL(nameptr, -1, len - 2);
1382                                 } else {
1383                                         SCVAL(nameptr, -1, 0);
1384                                 }
1385                         } else {
1386                                 if (len > 1) {
1387                                         SCVAL(nameptr, -1, len - 1);
1388                                 } else {
1389                                         SCVAL(nameptr, -1, 0);
1390                                 }
1391                         }
1392                         p += len;
1393                         break;
1394
1395                 case SMB_FIND_EA_SIZE:
1396                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_EA_SIZE\n"));
1397                         if(requires_resume_key) {
1398                                 SIVAL(p,0,reskey);
1399                                 p += 4;
1400                         }
1401                         srv_put_dos_date2(p,0,create_date);
1402                         srv_put_dos_date2(p,4,adate);
1403                         srv_put_dos_date2(p,8,mdate);
1404                         SIVAL(p,12,(uint32)file_size);
1405                         SIVAL(p,16,(uint32)allocation_size);
1406                         SSVAL(p,20,mode);
1407                         {
1408                                 unsigned int ea_size = estimate_ea_size(conn, NULL, pathreal);
1409                                 SIVAL(p,22,ea_size); /* Extended attributes */
1410                         }
1411                         p += 27;
1412                         nameptr = p - 1;
1413                         len = srvstr_push(base_data, flags2,
1414                                           p, fname, PTR_DIFF(end_data, p),
1415                                           STR_TERMINATE | STR_NOALIGN);
1416                         if (flags2 & FLAGS2_UNICODE_STRINGS) {
1417                                 if (len > 2) {
1418                                         len -= 2;
1419                                 } else {
1420                                         len = 0;
1421                                 }
1422                         } else {
1423                                 if (len > 1) {
1424                                         len -= 1;
1425                                 } else {
1426                                         len = 0;
1427                                 }
1428                         }
1429                         SCVAL(nameptr,0,len);
1430                         p += len;
1431                         SCVAL(p,0,0); p += 1; /* Extra zero byte ? - why.. */
1432                         break;
1433
1434                 case SMB_FIND_EA_LIST:
1435                 {
1436                         struct ea_list *file_list = NULL;
1437                         size_t ea_len = 0;
1438
1439                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_EA_LIST\n"));
1440                         if (!name_list) {
1441                                 return False;
1442                         }
1443                         if(requires_resume_key) {
1444                                 SIVAL(p,0,reskey);
1445                                 p += 4;
1446                         }
1447                         srv_put_dos_date2(p,0,create_date);
1448                         srv_put_dos_date2(p,4,adate);
1449                         srv_put_dos_date2(p,8,mdate);
1450                         SIVAL(p,12,(uint32)file_size);
1451                         SIVAL(p,16,(uint32)allocation_size);
1452                         SSVAL(p,20,mode);
1453                         p += 22; /* p now points to the EA area. */
1454
1455                         file_list = get_ea_list_from_file(ctx, conn, NULL, pathreal, &ea_len);
1456                         name_list = ea_list_union(name_list, file_list, &ea_len);
1457
1458                         /* We need to determine if this entry will fit in the space available. */
1459                         /* Max string size is 255 bytes. */
1460                         if (PTR_DIFF(p + 255 + ea_len,pdata) > space_remaining) {
1461                                 /* Move the dirptr back to prev_dirpos */
1462                                 dptr_SeekDir(conn->dirptr, prev_dirpos);
1463                                 *out_of_space = True;
1464                                 DEBUG(9,("get_lanman2_dir_entry: out of space\n"));
1465                                 return False; /* Not finished - just out of space */
1466                         }
1467
1468                         /* Push the ea_data followed by the name. */
1469                         p += fill_ea_buffer(ctx, p, space_remaining, conn, name_list);
1470                         nameptr = p;
1471                         len = srvstr_push(base_data, flags2,
1472                                           p + 1, fname, PTR_DIFF(end_data, p+1),
1473                                           STR_TERMINATE | STR_NOALIGN);
1474                         if (flags2 & FLAGS2_UNICODE_STRINGS) {
1475                                 if (len > 2) {
1476                                         len -= 2;
1477                                 } else {
1478                                         len = 0;
1479                                 }
1480                         } else {
1481                                 if (len > 1) {
1482                                         len -= 1;
1483                                 } else {
1484                                         len = 0;
1485                                 }
1486                         }
1487                         SCVAL(nameptr,0,len);
1488                         p += len + 1;
1489                         SCVAL(p,0,0); p += 1; /* Extra zero byte ? - why.. */
1490                         break;
1491                 }
1492
1493                 case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
1494                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_BOTH_DIRECTORY_INFO\n"));
1495                         was_8_3 = mangle_is_8_3(fname, True, conn->params);
1496                         p += 4;
1497                         SIVAL(p,0,reskey); p += 4;
1498                         put_long_date_timespec(p,create_date_ts); p += 8;
1499                         put_long_date_timespec(p,adate_ts); p += 8;
1500                         put_long_date_timespec(p,mdate_ts); p += 8;
1501                         put_long_date_timespec(p,mdate_ts); p += 8;
1502                         SOFF_T(p,0,file_size); p += 8;
1503                         SOFF_T(p,0,allocation_size); p += 8;
1504                         SIVAL(p,0,nt_extmode); p += 4;
1505                         q = p; p += 4; /* q is placeholder for name length. */
1506                         {
1507                                 unsigned int ea_size = estimate_ea_size(conn, NULL, pathreal);
1508                                 SIVAL(p,0,ea_size); /* Extended attributes */
1509                                 p += 4;
1510                         }
1511                         /* Clear the short name buffer. This is
1512                          * IMPORTANT as not doing so will trigger
1513                          * a Win2k client bug. JRA.
1514                          */
1515                         if (!was_8_3 && check_mangled_names) {
1516                                 if (!name_to_8_3(fname,mangled_name,True,
1517                                                    conn->params)) {
1518                                         /* Error - mangle failed ! */
1519                                         memset(mangled_name,'\0',12);
1520                                 }
1521                                 mangled_name[12] = 0;
1522                                 len = srvstr_push(base_data, flags2,
1523                                                   p+2, mangled_name, 24,
1524                                                   STR_UPPER|STR_UNICODE);
1525                                 if (len < 24) {
1526                                         memset(p + 2 + len,'\0',24 - len);
1527                                 }
1528                                 SSVAL(p, 0, len);
1529                         } else {
1530                                 memset(p,'\0',26);
1531                         }
1532                         p += 2 + 24;
1533                         len = srvstr_push(base_data, flags2, p,
1534                                           fname, PTR_DIFF(end_data, p),
1535                                           STR_TERMINATE_ASCII);
1536                         SIVAL(q,0,len);
1537                         p += len;
1538                         SIVAL(p,0,0); /* Ensure any padding is null. */
1539                         len = PTR_DIFF(p, pdata);
1540                         len = (len + 3) & ~3;
1541                         SIVAL(pdata,0,len);
1542                         p = pdata + len;
1543                         break;
1544
1545                 case SMB_FIND_FILE_DIRECTORY_INFO:
1546                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_DIRECTORY_INFO\n"));
1547                         p += 4;
1548                         SIVAL(p,0,reskey); p += 4;
1549                         put_long_date_timespec(p,create_date_ts); p += 8;
1550                         put_long_date_timespec(p,adate_ts); p += 8;
1551                         put_long_date_timespec(p,mdate_ts); p += 8;
1552                         put_long_date_timespec(p,mdate_ts); p += 8;
1553                         SOFF_T(p,0,file_size); p += 8;
1554                         SOFF_T(p,0,allocation_size); p += 8;
1555                         SIVAL(p,0,nt_extmode); p += 4;
1556                         len = srvstr_push(base_data, flags2,
1557                                           p + 4, fname, PTR_DIFF(end_data, p+4),
1558                                           STR_TERMINATE_ASCII);
1559                         SIVAL(p,0,len);
1560                         p += 4 + len;
1561                         SIVAL(p,0,0); /* Ensure any padding is null. */
1562                         len = PTR_DIFF(p, pdata);
1563                         len = (len + 3) & ~3;
1564                         SIVAL(pdata,0,len);
1565                         p = pdata + len;
1566                         break;
1567
1568                 case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
1569                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_FULL_DIRECTORY_INFO\n"));
1570                         p += 4;
1571                         SIVAL(p,0,reskey); p += 4;
1572                         put_long_date_timespec(p,create_date_ts); p += 8;
1573                         put_long_date_timespec(p,adate_ts); p += 8;
1574                         put_long_date_timespec(p,mdate_ts); p += 8;
1575                         put_long_date_timespec(p,mdate_ts); p += 8;
1576                         SOFF_T(p,0,file_size); p += 8;
1577                         SOFF_T(p,0,allocation_size); p += 8;
1578                         SIVAL(p,0,nt_extmode); p += 4;
1579                         q = p; p += 4; /* q is placeholder for name length. */
1580                         {
1581                                 unsigned int ea_size = estimate_ea_size(conn, NULL, pathreal);
1582                                 SIVAL(p,0,ea_size); /* Extended attributes */
1583                                 p +=4;
1584                         }
1585                         len = srvstr_push(base_data, flags2, p,
1586                                           fname, PTR_DIFF(end_data, p),
1587                                           STR_TERMINATE_ASCII);
1588                         SIVAL(q, 0, len);
1589                         p += len;
1590
1591                         SIVAL(p,0,0); /* Ensure any padding is null. */
1592                         len = PTR_DIFF(p, pdata);
1593                         len = (len + 3) & ~3;
1594                         SIVAL(pdata,0,len);
1595                         p = pdata + len;
1596                         break;
1597
1598                 case SMB_FIND_FILE_NAMES_INFO:
1599                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_NAMES_INFO\n"));
1600                         p += 4;
1601                         SIVAL(p,0,reskey); p += 4;
1602                         p += 4;
1603                         /* this must *not* be null terminated or w2k gets in a loop trying to set an
1604                            acl on a dir (tridge) */
1605                         len = srvstr_push(base_data, flags2, p,
1606                                           fname, PTR_DIFF(end_data, p),
1607                                           STR_TERMINATE_ASCII);
1608                         SIVAL(p, -4, len);
1609                         p += len;
1610                         SIVAL(p,0,0); /* Ensure any padding is null. */
1611                         len = PTR_DIFF(p, pdata);
1612                         len = (len + 3) & ~3;
1613                         SIVAL(pdata,0,len);
1614                         p = pdata + len;
1615                         break;
1616
1617                 case SMB_FIND_ID_FULL_DIRECTORY_INFO:
1618                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_ID_FULL_DIRECTORY_INFO\n"));
1619                         p += 4;
1620                         SIVAL(p,0,reskey); p += 4;
1621                         put_long_date_timespec(p,create_date_ts); p += 8;
1622                         put_long_date_timespec(p,adate_ts); p += 8;
1623                         put_long_date_timespec(p,mdate_ts); p += 8;
1624                         put_long_date_timespec(p,mdate_ts); p += 8;
1625                         SOFF_T(p,0,file_size); p += 8;
1626                         SOFF_T(p,0,allocation_size); p += 8;
1627                         SIVAL(p,0,nt_extmode); p += 4;
1628                         q = p; p += 4; /* q is placeholder for name length. */
1629                         {
1630                                 unsigned int ea_size = estimate_ea_size(conn, NULL, pathreal);
1631                                 SIVAL(p,0,ea_size); /* Extended attributes */
1632                                 p +=4;
1633                         }
1634                         SIVAL(p,0,0); p += 4; /* Unknown - reserved ? */
1635                         SIVAL(p,0,sbuf.st_ino); p += 4; /* FileIndexLow */
1636                         SIVAL(p,0,sbuf.st_dev); p += 4; /* FileIndexHigh */
1637                         len = srvstr_push(base_data, flags2, p,
1638                                           fname, PTR_DIFF(end_data, p),
1639                                           STR_TERMINATE_ASCII);
1640                         SIVAL(q, 0, len);
1641                         p += len;
1642                         SIVAL(p,0,0); /* Ensure any padding is null. */
1643                         len = PTR_DIFF(p, pdata);
1644                         len = (len + 3) & ~3;
1645                         SIVAL(pdata,0,len);
1646                         p = pdata + len;
1647                         break;
1648
1649                 case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
1650                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_ID_BOTH_DIRECTORY_INFO\n"));
1651                         was_8_3 = mangle_is_8_3(fname, True, conn->params);
1652                         p += 4;
1653                         SIVAL(p,0,reskey); p += 4;
1654                         put_long_date_timespec(p,create_date_ts); p += 8;
1655                         put_long_date_timespec(p,adate_ts); p += 8;
1656                         put_long_date_timespec(p,mdate_ts); p += 8;
1657                         put_long_date_timespec(p,mdate_ts); p += 8;
1658                         SOFF_T(p,0,file_size); p += 8;
1659                         SOFF_T(p,0,allocation_size); p += 8;
1660                         SIVAL(p,0,nt_extmode); p += 4;
1661                         q = p; p += 4; /* q is placeholder for name length */
1662                         {
1663                                 unsigned int ea_size = estimate_ea_size(conn, NULL, pathreal);
1664                                 SIVAL(p,0,ea_size); /* Extended attributes */
1665                                 p +=4;
1666                         }
1667                         /* Clear the short name buffer. This is
1668                          * IMPORTANT as not doing so will trigger
1669                          * a Win2k client bug. JRA.
1670                          */
1671                         if (!was_8_3 && check_mangled_names) {
1672                                 if (!name_to_8_3(fname,mangled_name,True,
1673                                                 conn->params)) {
1674                                         /* Error - mangle failed ! */
1675                                         memset(mangled_name,'\0',12);
1676                                 }
1677                                 mangled_name[12] = 0;
1678                                 len = srvstr_push(base_data, flags2,
1679                                                   p+2, mangled_name, 24,
1680                                                   STR_UPPER|STR_UNICODE);
1681                                 SSVAL(p, 0, len);
1682                                 if (len < 24) {
1683                                         memset(p + 2 + len,'\0',24 - len);
1684                                 }
1685                                 SSVAL(p, 0, len);
1686                         } else {
1687                                 memset(p,'\0',26);
1688                         }
1689                         p += 26;
1690                         SSVAL(p,0,0); p += 2; /* Reserved ? */
1691                         SIVAL(p,0,sbuf.st_ino); p += 4; /* FileIndexLow */
1692                         SIVAL(p,0,sbuf.st_dev); p += 4; /* FileIndexHigh */
1693                         len = srvstr_push(base_data, flags2, p,
1694                                           fname, PTR_DIFF(end_data, p),
1695                                           STR_TERMINATE_ASCII);
1696                         SIVAL(q,0,len);
1697                         p += len;
1698                         SIVAL(p,0,0); /* Ensure any padding is null. */
1699                         len = PTR_DIFF(p, pdata);
1700                         len = (len + 3) & ~3;
1701                         SIVAL(pdata,0,len);
1702                         p = pdata + len;
1703                         break;
1704
1705                 /* CIFS UNIX Extension. */
1706
1707                 case SMB_FIND_FILE_UNIX:
1708                 case SMB_FIND_FILE_UNIX_INFO2:
1709                         p+= 4;
1710                         SIVAL(p,0,reskey); p+= 4;    /* Used for continuing search. */
1711
1712                         /* Begin of SMB_QUERY_FILE_UNIX_BASIC */
1713
1714                         if (info_level == SMB_FIND_FILE_UNIX) {
1715                                 DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_UNIX\n"));
1716                                 p = store_file_unix_basic(conn, p,
1717                                                         NULL, &sbuf);
1718                                 len = srvstr_push(base_data, flags2, p,
1719                                                   fname, PTR_DIFF(end_data, p),
1720                                                   STR_TERMINATE);
1721                         } else {
1722                                 DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_UNIX_INFO2\n"));
1723                                 p = store_file_unix_basic_info2(conn, p,
1724                                                         NULL, &sbuf);
1725                                 nameptr = p;
1726                                 p += 4;
1727                                 len = srvstr_push(base_data, flags2, p, fname,
1728                                                   PTR_DIFF(end_data, p), 0);
1729                                 SIVAL(nameptr, 0, len);
1730                         }
1731
1732                         p += len;
1733                         SIVAL(p,0,0); /* Ensure any padding is null. */
1734
1735                         len = PTR_DIFF(p, pdata);
1736                         len = (len + 3) & ~3;
1737                         SIVAL(pdata,0,len);     /* Offset from this structure to the beginning of the next one */
1738                         p = pdata + len;
1739                         /* End of SMB_QUERY_FILE_UNIX_BASIC */
1740
1741                         break;
1742
1743                 default:
1744                         return(False);
1745         }
1746
1747
1748         if (PTR_DIFF(p,pdata) > space_remaining) {
1749                 /* Move the dirptr back to prev_dirpos */
1750                 dptr_SeekDir(conn->dirptr, prev_dirpos);
1751                 *out_of_space = True;
1752                 DEBUG(9,("get_lanman2_dir_entry: out of space\n"));
1753                 return False; /* Not finished - just out of space */
1754         }
1755
1756         /* Setup the last entry pointer, as an offset from base_data */
1757         *last_entry_off = PTR_DIFF(last_entry_ptr,base_data);
1758         /* Advance the data pointer to the next slot */
1759         *ppdata = p;
1760
1761         return(found);
1762 }
1763
1764 /****************************************************************************
1765  Reply to a TRANS2_FINDFIRST.
1766 ****************************************************************************/
1767
1768 static void call_trans2findfirst(connection_struct *conn,
1769                                  struct smb_request *req,
1770                                  char **pparams, int total_params,
1771                                  char **ppdata, int total_data,
1772                                  unsigned int max_data_bytes)
1773 {
1774         /* We must be careful here that we don't return more than the
1775                 allowed number of data bytes. If this means returning fewer than
1776                 maxentries then so be it. We assume that the redirector has
1777                 enough room for the fixed number of parameter bytes it has
1778                 requested. */
1779         char *params = *pparams;
1780         char *pdata = *ppdata;
1781         char *data_end;
1782         uint32 dirtype;
1783         int maxentries;
1784         uint16 findfirst_flags;
1785         bool close_after_first;
1786         bool close_if_end;
1787         bool requires_resume_key;
1788         int info_level;
1789         char *directory = NULL;
1790         const char *mask = NULL;
1791         char *p;
1792         int last_entry_off=0;
1793         int dptr_num = -1;
1794         int numentries = 0;
1795         int i;
1796         bool finished = False;
1797         bool dont_descend = False;
1798         bool out_of_space = False;
1799         int space_remaining;
1800         bool mask_contains_wcard = False;
1801         SMB_STRUCT_STAT sbuf;
1802         struct ea_list *ea_list = NULL;
1803         NTSTATUS ntstatus = NT_STATUS_OK;
1804         TALLOC_CTX *ctx = talloc_tos();
1805
1806         if (total_params < 13) {
1807                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1808                 return;
1809         }
1810
1811         dirtype = SVAL(params,0);
1812         maxentries = SVAL(params,2);
1813         findfirst_flags = SVAL(params,4);
1814         close_after_first = (findfirst_flags & FLAG_TRANS2_FIND_CLOSE);
1815         close_if_end = (findfirst_flags & FLAG_TRANS2_FIND_CLOSE_IF_END);
1816         requires_resume_key = (findfirst_flags & FLAG_TRANS2_FIND_REQUIRE_RESUME);
1817         info_level = SVAL(params,6);
1818
1819         DEBUG(3,("call_trans2findfirst: dirtype = %x, maxentries = %d, close_after_first=%d, \
1820 close_if_end = %d requires_resume_key = %d level = 0x%x, max_data_bytes = %d\n",
1821                 (unsigned int)dirtype, maxentries, close_after_first, close_if_end, requires_resume_key,
1822                 info_level, max_data_bytes));
1823
1824         if (!maxentries) {
1825                 /* W2K3 seems to treat zero as 1. */
1826                 maxentries = 1;
1827         }
1828
1829         switch (info_level) {
1830                 case SMB_FIND_INFO_STANDARD:
1831                 case SMB_FIND_EA_SIZE:
1832                 case SMB_FIND_EA_LIST:
1833                 case SMB_FIND_FILE_DIRECTORY_INFO:
1834                 case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
1835                 case SMB_FIND_FILE_NAMES_INFO:
1836                 case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
1837                 case SMB_FIND_ID_FULL_DIRECTORY_INFO:
1838                 case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
1839                         break;
1840                 case SMB_FIND_FILE_UNIX:
1841                 case SMB_FIND_FILE_UNIX_INFO2:
1842                         if (!lp_unix_extensions()) {
1843                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
1844                                 return;
1845                         }
1846                         break;
1847                 default:
1848                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
1849                         return;
1850         }
1851
1852         srvstr_get_path_wcard(ctx, params, req->flags2, &directory,
1853                               params+12, total_params - 12,
1854                               STR_TERMINATE, &ntstatus, &mask_contains_wcard);
1855         if (!NT_STATUS_IS_OK(ntstatus)) {
1856                 reply_nterror(req, ntstatus);
1857                 return;
1858         }
1859
1860         ntstatus = resolve_dfspath_wcard(ctx, conn,
1861                         req->flags2 & FLAGS2_DFS_PATHNAMES,
1862                         directory,
1863                         &directory,
1864                         &mask_contains_wcard);
1865         if (!NT_STATUS_IS_OK(ntstatus)) {
1866                 if (NT_STATUS_EQUAL(ntstatus,NT_STATUS_PATH_NOT_COVERED)) {
1867                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1868                                         ERRSRV, ERRbadpath);
1869                         return;
1870                 }
1871                 reply_nterror(req, ntstatus);
1872                 return;
1873         }
1874
1875         ntstatus = unix_convert(ctx, conn, directory, True, &directory, NULL, &sbuf);
1876         if (!NT_STATUS_IS_OK(ntstatus)) {
1877                 reply_nterror(req, ntstatus);
1878                 return;
1879         }
1880
1881         ntstatus = check_name(conn, directory);
1882         if (!NT_STATUS_IS_OK(ntstatus)) {
1883                 reply_nterror(req, ntstatus);
1884                 return;
1885         }
1886
1887         p = strrchr_m(directory,'/');
1888         if(p == NULL) {
1889                 /* Windows and OS/2 systems treat search on the root '\' as if it were '\*' */
1890                 if((directory[0] == '.') && (directory[1] == '\0')) {
1891                         mask = "*";
1892                         mask_contains_wcard = True;
1893                 } else {
1894                         mask = directory;
1895                 }
1896                 directory = talloc_strdup(talloc_tos(), "./");
1897                 if (!directory) {
1898                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1899                         return;
1900                 }
1901         } else {
1902                 mask = p+1;
1903                 *p = 0;
1904         }
1905
1906         DEBUG(5,("dir=%s, mask = %s\n",directory, mask));
1907
1908         if (info_level == SMB_FIND_EA_LIST) {
1909                 uint32 ea_size;
1910
1911                 if (total_data < 4) {
1912                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1913                         return;
1914                 }
1915
1916                 ea_size = IVAL(pdata,0);
1917                 if (ea_size != total_data) {
1918                         DEBUG(4,("call_trans2findfirst: Rejecting EA request with incorrect \
1919 total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
1920                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1921                         return;
1922                 }
1923
1924                 if (!lp_ea_support(SNUM(conn))) {
1925                         reply_doserror(req, ERRDOS, ERReasnotsupported);
1926                         return;
1927                 }
1928
1929                 /* Pull out the list of names. */
1930                 ea_list = read_ea_name_list(ctx, pdata + 4, ea_size - 4);
1931                 if (!ea_list) {
1932                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1933                         return;
1934                 }
1935         }
1936
1937         *ppdata = (char *)SMB_REALLOC(
1938                 *ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
1939         if(*ppdata == NULL ) {
1940                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1941                 return;
1942         }
1943         pdata = *ppdata;
1944         data_end = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
1945
1946         /* Realloc the params space */
1947         *pparams = (char *)SMB_REALLOC(*pparams, 10);
1948         if (*pparams == NULL) {
1949                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1950                 return;
1951         }
1952         params = *pparams;
1953
1954         /* Save the wildcard match and attribs we are using on this directory -
1955                 needed as lanman2 assumes these are being saved between calls */
1956
1957         ntstatus = dptr_create(conn,
1958                                 directory,
1959                                 False,
1960                                 True,
1961                                 req->smbpid,
1962                                 mask,
1963                                 mask_contains_wcard,
1964                                 dirtype,
1965                                 &conn->dirptr);
1966
1967         if (!NT_STATUS_IS_OK(ntstatus)) {
1968                 reply_nterror(req, ntstatus);
1969                 return;
1970         }
1971
1972         dptr_num = dptr_dnum(conn->dirptr);
1973         DEBUG(4,("dptr_num is %d, wcard = %s, attr = %d\n", dptr_num, mask, dirtype));
1974
1975         /* We don't need to check for VOL here as this is returned by
1976                 a different TRANS2 call. */
1977
1978         DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n", conn->dirpath,lp_dontdescend(SNUM(conn))));
1979         if (in_list(conn->dirpath,lp_dontdescend(SNUM(conn)),conn->case_sensitive))
1980                 dont_descend = True;
1981
1982         p = pdata;
1983         space_remaining = max_data_bytes;
1984         out_of_space = False;
1985
1986         for (i=0;(i<maxentries) && !finished && !out_of_space;i++) {
1987                 bool got_exact_match = False;
1988
1989                 /* this is a heuristic to avoid seeking the dirptr except when
1990                         absolutely necessary. It allows for a filename of about 40 chars */
1991                 if (space_remaining < DIRLEN_GUESS && numentries > 0) {
1992                         out_of_space = True;
1993                         finished = False;
1994                 } else {
1995                         TALLOC_CTX *sub_ctx = talloc_stackframe();
1996
1997                         finished = !get_lanman2_dir_entry(sub_ctx,
1998                                         conn,
1999                                         req->flags2,
2000                                         mask,dirtype,info_level,
2001                                         requires_resume_key,dont_descend,
2002                                         &p,pdata,data_end,
2003                                         space_remaining, &out_of_space,
2004                                         &got_exact_match,
2005                                         &last_entry_off, ea_list);
2006
2007                         TALLOC_FREE(sub_ctx);
2008                 }
2009
2010                 if (finished && out_of_space)
2011                         finished = False;
2012
2013                 if (!finished && !out_of_space)
2014                         numentries++;
2015
2016                 /*
2017                  * As an optimisation if we know we aren't looking
2018                  * for a wildcard name (ie. the name matches the wildcard exactly)
2019                  * then we can finish on any (first) match.
2020                  * This speeds up large directory searches. JRA.
2021                  */
2022
2023                 if(got_exact_match)
2024                         finished = True;
2025
2026                 space_remaining = max_data_bytes - PTR_DIFF(p,pdata);
2027         }
2028
2029         /* Check if we can close the dirptr */
2030         if(close_after_first || (finished && close_if_end)) {
2031                 DEBUG(5,("call_trans2findfirst - (2) closing dptr_num %d\n", dptr_num));
2032                 dptr_close(&dptr_num);
2033         }
2034
2035         /*
2036          * If there are no matching entries we must return ERRDOS/ERRbadfile -
2037          * from observation of NT. NB. This changes to ERRDOS,ERRnofiles if
2038          * the protocol level is less than NT1. Tested with smbclient. JRA.
2039          * This should fix the OS/2 client bug #2335.
2040          */
2041
2042         if(numentries == 0) {
2043                 dptr_close(&dptr_num);
2044                 if (Protocol < PROTOCOL_NT1) {
2045                         reply_doserror(req, ERRDOS, ERRnofiles);
2046                         return;
2047                 } else {
2048                         reply_botherror(req, NT_STATUS_NO_SUCH_FILE,
2049                                         ERRDOS, ERRbadfile);
2050                         return;
2051                 }
2052         }
2053
2054         /* At this point pdata points to numentries directory entries. */
2055
2056         /* Set up the return parameter block */
2057         SSVAL(params,0,dptr_num);
2058         SSVAL(params,2,numentries);
2059         SSVAL(params,4,finished);
2060         SSVAL(params,6,0); /* Never an EA error */
2061         SSVAL(params,8,last_entry_off);
2062
2063         send_trans2_replies(req, params, 10, pdata, PTR_DIFF(p,pdata),
2064                             max_data_bytes);
2065
2066         if ((! *directory) && dptr_path(dptr_num)) {
2067                 directory = talloc_strdup(talloc_tos(),dptr_path(dptr_num));
2068                 if (!directory) {
2069                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2070                 }
2071         }
2072
2073         DEBUG( 4, ( "%s mask=%s directory=%s dirtype=%d numentries=%d\n",
2074                 smb_fn_name(CVAL(req->inbuf,smb_com)),
2075                 mask, directory, dirtype, numentries ) );
2076
2077         /*
2078          * Force a name mangle here to ensure that the
2079          * mask as an 8.3 name is top of the mangled cache.
2080          * The reasons for this are subtle. Don't remove
2081          * this code unless you know what you are doing
2082          * (see PR#13758). JRA.
2083          */
2084
2085         if(!mangle_is_8_3_wildcards( mask, False, conn->params)) {
2086                 char mangled_name[13];
2087                 name_to_8_3(mask, mangled_name, True, conn->params);
2088         }
2089
2090         return;
2091 }
2092
2093 /****************************************************************************
2094  Reply to a TRANS2_FINDNEXT.
2095 ****************************************************************************/
2096
2097 static void call_trans2findnext(connection_struct *conn,
2098                                 struct smb_request *req,
2099                                 char **pparams, int total_params,
2100                                 char **ppdata, int total_data,
2101                                 unsigned int max_data_bytes)
2102 {
2103         /* We must be careful here that we don't return more than the
2104                 allowed number of data bytes. If this means returning fewer than
2105                 maxentries then so be it. We assume that the redirector has
2106                 enough room for the fixed number of parameter bytes it has
2107                 requested. */
2108         char *params = *pparams;
2109         char *pdata = *ppdata;
2110         char *data_end;
2111         int dptr_num;
2112         int maxentries;
2113         uint16 info_level;
2114         uint32 resume_key;
2115         uint16 findnext_flags;
2116         bool close_after_request;
2117         bool close_if_end;
2118         bool requires_resume_key;
2119         bool continue_bit;
2120         bool mask_contains_wcard = False;
2121         char *resume_name = NULL;
2122         const char *mask = NULL;
2123         const char *directory = NULL;
2124         char *p = NULL;
2125         uint16 dirtype;
2126         int numentries = 0;
2127         int i, last_entry_off=0;
2128         bool finished = False;
2129         bool dont_descend = False;
2130         bool out_of_space = False;
2131         int space_remaining;
2132         struct ea_list *ea_list = NULL;
2133         NTSTATUS ntstatus = NT_STATUS_OK;
2134         TALLOC_CTX *ctx = talloc_tos();
2135
2136         if (total_params < 13) {
2137                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2138                 return;
2139         }
2140
2141         dptr_num = SVAL(params,0);
2142         maxentries = SVAL(params,2);
2143         info_level = SVAL(params,4);
2144         resume_key = IVAL(params,6);
2145         findnext_flags = SVAL(params,10);
2146         close_after_request = (findnext_flags & FLAG_TRANS2_FIND_CLOSE);
2147         close_if_end = (findnext_flags & FLAG_TRANS2_FIND_CLOSE_IF_END);
2148         requires_resume_key = (findnext_flags & FLAG_TRANS2_FIND_REQUIRE_RESUME);
2149         continue_bit = (findnext_flags & FLAG_TRANS2_FIND_CONTINUE);
2150
2151         srvstr_get_path_wcard(ctx, params, req->flags2, &resume_name,
2152                               params+12,
2153                               total_params - 12, STR_TERMINATE, &ntstatus,
2154                               &mask_contains_wcard);
2155         if (!NT_STATUS_IS_OK(ntstatus)) {
2156                 /* Win9x or OS/2 can send a resume name of ".." or ".". This will cause the parser to
2157                    complain (it thinks we're asking for the directory above the shared
2158                    path or an invalid name). Catch this as the resume name is only compared, never used in
2159                    a file access. JRA. */
2160                 srvstr_pull_talloc(ctx, params, req->flags2,
2161                                 &resume_name, params+12,
2162                                 total_params - 12,
2163                                 STR_TERMINATE);
2164
2165                 if (!resume_name || !(ISDOT(resume_name) || ISDOTDOT(resume_name))) {
2166                         reply_nterror(req, ntstatus);
2167                         return;
2168                 }
2169         }
2170
2171         DEBUG(3,("call_trans2findnext: dirhandle = %d, max_data_bytes = %d, maxentries = %d, \
2172 close_after_request=%d, close_if_end = %d requires_resume_key = %d \
2173 resume_key = %d resume name = %s continue=%d level = %d\n",
2174                 dptr_num, max_data_bytes, maxentries, close_after_request, close_if_end,
2175                 requires_resume_key, resume_key, resume_name, continue_bit, info_level));
2176
2177         if (!maxentries) {
2178                 /* W2K3 seems to treat zero as 1. */
2179                 maxentries = 1;
2180         }
2181
2182         switch (info_level) {
2183                 case SMB_FIND_INFO_STANDARD:
2184                 case SMB_FIND_EA_SIZE:
2185                 case SMB_FIND_EA_LIST:
2186                 case SMB_FIND_FILE_DIRECTORY_INFO:
2187                 case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
2188                 case SMB_FIND_FILE_NAMES_INFO:
2189                 case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
2190                 case SMB_FIND_ID_FULL_DIRECTORY_INFO:
2191                 case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
2192                         break;
2193                 case SMB_FIND_FILE_UNIX:
2194                 case SMB_FIND_FILE_UNIX_INFO2:
2195                         if (!lp_unix_extensions()) {
2196                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2197                                 return;
2198                         }
2199                         break;
2200                 default:
2201                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2202                         return;
2203         }
2204
2205         if (info_level == SMB_FIND_EA_LIST) {
2206                 uint32 ea_size;
2207
2208                 if (total_data < 4) {
2209                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2210                         return;
2211                 }
2212
2213                 ea_size = IVAL(pdata,0);
2214                 if (ea_size != total_data) {
2215                         DEBUG(4,("call_trans2findnext: Rejecting EA request with incorrect \
2216 total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
2217                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2218                         return;
2219                 }
2220
2221                 if (!lp_ea_support(SNUM(conn))) {
2222                         reply_doserror(req, ERRDOS, ERReasnotsupported);
2223                         return;
2224                 }
2225
2226                 /* Pull out the list of names. */
2227                 ea_list = read_ea_name_list(ctx, pdata + 4, ea_size - 4);
2228                 if (!ea_list) {
2229                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2230                         return;
2231                 }
2232         }
2233
2234         *ppdata = (char *)SMB_REALLOC(
2235                 *ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2236         if(*ppdata == NULL) {
2237                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2238                 return;
2239         }
2240
2241         pdata = *ppdata;
2242         data_end = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
2243
2244         /* Realloc the params space */
2245         *pparams = (char *)SMB_REALLOC(*pparams, 6*SIZEOFWORD);
2246         if(*pparams == NULL ) {
2247                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2248                 return;
2249         }
2250
2251         params = *pparams;
2252
2253         /* Check that the dptr is valid */
2254         if(!(conn->dirptr = dptr_fetch_lanman2(dptr_num))) {
2255                 reply_doserror(req, ERRDOS, ERRnofiles);
2256                 return;
2257         }
2258
2259         string_set(&conn->dirpath,dptr_path(dptr_num));
2260
2261         /* Get the wildcard mask from the dptr */
2262         if((p = dptr_wcard(dptr_num))== NULL) {
2263                 DEBUG(2,("dptr_num %d has no wildcard\n", dptr_num));
2264                 reply_doserror(req, ERRDOS, ERRnofiles);
2265                 return;
2266         }
2267
2268         mask = p;
2269         directory = conn->dirpath;
2270
2271         /* Get the attr mask from the dptr */
2272         dirtype = dptr_attr(dptr_num);
2273
2274         DEBUG(3,("dptr_num is %d, mask = %s, attr = %x, dirptr=(0x%lX,%ld)\n",
2275                 dptr_num, mask, dirtype,
2276                 (long)conn->dirptr,
2277                 dptr_TellDir(conn->dirptr)));
2278
2279         /* We don't need to check for VOL here as this is returned by
2280                 a different TRANS2 call. */
2281
2282         DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",conn->dirpath,lp_dontdescend(SNUM(conn))));
2283         if (in_list(conn->dirpath,lp_dontdescend(SNUM(conn)),conn->case_sensitive))
2284                 dont_descend = True;
2285
2286         p = pdata;
2287         space_remaining = max_data_bytes;
2288         out_of_space = False;
2289
2290         /*
2291          * Seek to the correct position. We no longer use the resume key but
2292          * depend on the last file name instead.
2293          */
2294
2295         if(*resume_name && !continue_bit) {
2296                 SMB_STRUCT_STAT st;
2297
2298                 long current_pos = 0;
2299                 /*
2300                  * Remember, name_to_8_3 is called by
2301                  * get_lanman2_dir_entry(), so the resume name
2302                  * could be mangled. Ensure we check the unmangled name.
2303                  */
2304
2305                 if (mangle_is_mangled(resume_name, conn->params)) {
2306                         char *new_resume_name = NULL;
2307                         mangle_lookup_name_from_8_3(ctx,
2308                                                 resume_name,
2309                                                 &new_resume_name,
2310                                                 conn->params);
2311                         if (new_resume_name) {
2312                                 resume_name = new_resume_name;
2313                         }
2314                 }
2315
2316                 /*
2317                  * Fix for NT redirector problem triggered by resume key indexes
2318                  * changing between directory scans. We now return a resume key of 0
2319                  * and instead look for the filename to continue from (also given
2320                  * to us by NT/95/smbfs/smbclient). If no other scans have been done between the
2321                  * findfirst/findnext (as is usual) then the directory pointer
2322                  * should already be at the correct place.
2323                  */
2324
2325                 finished = !dptr_SearchDir(conn->dirptr, resume_name, &current_pos, &st);
2326         } /* end if resume_name && !continue_bit */
2327
2328         for (i=0;(i<(int)maxentries) && !finished && !out_of_space ;i++) {
2329                 bool got_exact_match = False;
2330
2331                 /* this is a heuristic to avoid seeking the dirptr except when
2332                         absolutely necessary. It allows for a filename of about 40 chars */
2333                 if (space_remaining < DIRLEN_GUESS && numentries > 0) {
2334                         out_of_space = True;
2335                         finished = False;
2336                 } else {
2337                         TALLOC_CTX *sub_ctx = talloc_stackframe();
2338
2339                         finished = !get_lanman2_dir_entry(sub_ctx,
2340                                                 conn,
2341                                                 req->flags2,
2342                                                 mask,dirtype,info_level,
2343                                                 requires_resume_key,dont_descend,
2344                                                 &p,pdata,data_end,
2345                                                 space_remaining, &out_of_space,
2346                                                 &got_exact_match,
2347                                                 &last_entry_off, ea_list);
2348
2349                         TALLOC_FREE(sub_ctx);
2350                 }
2351
2352                 if (finished && out_of_space)
2353                         finished = False;
2354
2355                 if (!finished && !out_of_space)
2356                         numentries++;
2357
2358                 /*
2359                  * As an optimisation if we know we aren't looking
2360                  * for a wildcard name (ie. the name matches the wildcard exactly)
2361                  * then we can finish on any (first) match.
2362                  * This speeds up large directory searches. JRA.
2363                  */
2364
2365                 if(got_exact_match)
2366                         finished = True;
2367
2368                 space_remaining = max_data_bytes - PTR_DIFF(p,pdata);
2369         }
2370
2371         DEBUG( 3, ( "%s mask=%s directory=%s dirtype=%d numentries=%d\n",
2372                 smb_fn_name(CVAL(req->inbuf,smb_com)),
2373                 mask, directory, dirtype, numentries ) );
2374
2375         /* Check if we can close the dirptr */
2376         if(close_after_request || (finished && close_if_end)) {
2377                 DEBUG(5,("call_trans2findnext: closing dptr_num = %d\n", dptr_num));
2378                 dptr_close(&dptr_num); /* This frees up the saved mask */
2379         }
2380
2381         /* Set up the return parameter block */
2382         SSVAL(params,0,numentries);
2383         SSVAL(params,2,finished);
2384         SSVAL(params,4,0); /* Never an EA error */
2385         SSVAL(params,6,last_entry_off);
2386
2387         send_trans2_replies(req, params, 8, pdata, PTR_DIFF(p,pdata),
2388                             max_data_bytes);
2389
2390         return;
2391 }
2392
2393 unsigned char *create_volume_objectid(connection_struct *conn, unsigned char objid[16])
2394 {
2395         E_md4hash(lp_servicename(SNUM(conn)),objid);
2396         return objid;
2397 }
2398
2399 /****************************************************************************
2400  Reply to a TRANS2_QFSINFO (query filesystem info).
2401 ****************************************************************************/
2402
2403 static void call_trans2qfsinfo(connection_struct *conn,
2404                                struct smb_request *req,
2405                                char **pparams, int total_params,
2406                                char **ppdata, int total_data,
2407                                unsigned int max_data_bytes)
2408 {
2409         char *pdata, *end_data;
2410         char *params = *pparams;
2411         uint16 info_level;
2412         int data_len, len;
2413         SMB_STRUCT_STAT st;
2414         const char *vname = volume_label(SNUM(conn));
2415         int snum = SNUM(conn);
2416         char *fstype = lp_fstype(SNUM(conn));
2417         int quota_flag = 0;
2418
2419         if (total_params < 2) {
2420                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2421                 return;
2422         }
2423
2424         info_level = SVAL(params,0);
2425
2426         DEBUG(3,("call_trans2qfsinfo: level = %d\n", info_level));
2427
2428         if(SMB_VFS_STAT(conn,".",&st)!=0) {
2429                 DEBUG(2,("call_trans2qfsinfo: stat of . failed (%s)\n", strerror(errno)));
2430                 reply_doserror(req, ERRSRV, ERRinvdevice);
2431                 return;
2432         }
2433
2434         *ppdata = (char *)SMB_REALLOC(
2435                 *ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2436         if (*ppdata == NULL ) {
2437                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2438                 return;
2439         }
2440
2441         pdata = *ppdata;
2442         memset((char *)pdata,'\0',max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2443         end_data = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
2444
2445         switch (info_level) {
2446                 case SMB_INFO_ALLOCATION:
2447                 {
2448                         SMB_BIG_UINT dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
2449                         data_len = 18;
2450                         if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (SMB_BIG_UINT)-1) {
2451                                 reply_unixerror(req, ERRHRD, ERRgeneral);
2452                                 return;
2453                         }
2454
2455                         block_size = lp_block_size(snum);
2456                         if (bsize < block_size) {
2457                                 SMB_BIG_UINT factor = block_size/bsize;
2458                                 bsize = block_size;
2459                                 dsize /= factor;
2460                                 dfree /= factor;
2461                         }
2462                         if (bsize > block_size) {
2463                                 SMB_BIG_UINT factor = bsize/block_size;
2464                                 bsize = block_size;
2465                                 dsize *= factor;
2466                                 dfree *= factor;
2467                         }
2468                         bytes_per_sector = 512;
2469                         sectors_per_unit = bsize/bytes_per_sector;
2470
2471                         DEBUG(5,("call_trans2qfsinfo : SMB_INFO_ALLOCATION id=%x, bsize=%u, cSectorUnit=%u, \
2472 cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)st.st_dev, (unsigned int)bsize, (unsigned int)sectors_per_unit,
2473                                 (unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
2474
2475                         SIVAL(pdata,l1_idFileSystem,st.st_dev);
2476                         SIVAL(pdata,l1_cSectorUnit,sectors_per_unit);
2477                         SIVAL(pdata,l1_cUnit,dsize);
2478                         SIVAL(pdata,l1_cUnitAvail,dfree);
2479                         SSVAL(pdata,l1_cbSector,bytes_per_sector);
2480                         break;
2481                 }
2482
2483                 case SMB_INFO_VOLUME:
2484                         /* Return volume name */
2485                         /*
2486                          * Add volume serial number - hash of a combination of
2487                          * the called hostname and the service name.
2488                          */
2489                         SIVAL(pdata,0,str_checksum(lp_servicename(snum)) ^ (str_checksum(get_local_machine_name())<<16) );
2490                         /*
2491                          * Win2k3 and previous mess this up by sending a name length
2492                          * one byte short. I believe only older clients (OS/2 Win9x) use
2493                          * this call so try fixing this by adding a terminating null to
2494                          * the pushed string. The change here was adding the STR_TERMINATE. JRA.
2495                          */
2496                         len = srvstr_push(
2497                                 pdata, req->flags2,
2498                                 pdata+l2_vol_szVolLabel, vname,
2499                                 PTR_DIFF(end_data, pdata+l2_vol_szVolLabel),
2500                                 STR_NOALIGN|STR_TERMINATE);
2501                         SCVAL(pdata,l2_vol_cch,len);
2502                         data_len = l2_vol_szVolLabel + len;
2503                         DEBUG(5,("call_trans2qfsinfo : time = %x, namelen = %d, name = %s\n",
2504                                 (unsigned)st.st_ctime, len, vname));
2505                         break;
2506
2507                 case SMB_QUERY_FS_ATTRIBUTE_INFO:
2508                 case SMB_FS_ATTRIBUTE_INFORMATION:
2509
2510
2511 #if defined(HAVE_SYS_QUOTAS)
2512                         quota_flag = FILE_VOLUME_QUOTAS;
2513 #endif
2514
2515                         SIVAL(pdata,0,FILE_CASE_PRESERVED_NAMES|FILE_CASE_SENSITIVE_SEARCH|
2516                                 (lp_nt_acl_support(SNUM(conn)) ? FILE_PERSISTENT_ACLS : 0)|
2517                                 FILE_SUPPORTS_OBJECT_IDS|
2518                                 FILE_UNICODE_ON_DISK|
2519                                 quota_flag); /* FS ATTRIBUTES */
2520
2521                         SIVAL(pdata,4,255); /* Max filename component length */
2522                         /* NOTE! the fstype must *not* be null terminated or win98 won't recognise it
2523                                 and will think we can't do long filenames */
2524                         len = srvstr_push(pdata, req->flags2, pdata+12, fstype,
2525                                           PTR_DIFF(end_data, pdata+12),
2526                                           STR_UNICODE);
2527                         SIVAL(pdata,8,len);
2528                         data_len = 12 + len;
2529                         break;
2530
2531                 case SMB_QUERY_FS_LABEL_INFO:
2532                 case SMB_FS_LABEL_INFORMATION:
2533                         len = srvstr_push(pdata, req->flags2, pdata+4, vname,
2534                                           PTR_DIFF(end_data, pdata+4), 0);
2535                         data_len = 4 + len;
2536                         SIVAL(pdata,0,len);
2537                         break;
2538
2539                 case SMB_QUERY_FS_VOLUME_INFO:
2540                 case SMB_FS_VOLUME_INFORMATION:
2541
2542                         /*
2543                          * Add volume serial number - hash of a combination of
2544                          * the called hostname and the service name.
2545                          */
2546                         SIVAL(pdata,8,str_checksum(lp_servicename(snum)) ^
2547                                 (str_checksum(get_local_machine_name())<<16));
2548
2549                         /* Max label len is 32 characters. */
2550                         len = srvstr_push(pdata, req->flags2, pdata+18, vname,
2551                                           PTR_DIFF(end_data, pdata+18),
2552                                           STR_UNICODE);
2553                         SIVAL(pdata,12,len);
2554                         data_len = 18+len;
2555
2556                         DEBUG(5,("call_trans2qfsinfo : SMB_QUERY_FS_VOLUME_INFO namelen = %d, vol=%s serv=%s\n",
2557                                 (int)strlen(vname),vname, lp_servicename(snum)));
2558                         break;
2559
2560                 case SMB_QUERY_FS_SIZE_INFO:
2561                 case SMB_FS_SIZE_INFORMATION:
2562                 {
2563                         SMB_BIG_UINT dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
2564                         data_len = 24;
2565                         if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (SMB_BIG_UINT)-1) {
2566                                 reply_unixerror(req, ERRHRD, ERRgeneral);
2567                                 return;
2568                         }
2569                         block_size = lp_block_size(snum);
2570                         if (bsize < block_size) {
2571                                 SMB_BIG_UINT factor = block_size/bsize;
2572                                 bsize = block_size;
2573                                 dsize /= factor;
2574                                 dfree /= factor;
2575                         }
2576                         if (bsize > block_size) {
2577                                 SMB_BIG_UINT factor = bsize/block_size;
2578                                 bsize = block_size;
2579                                 dsize *= factor;
2580                                 dfree *= factor;
2581                         }
2582                         bytes_per_sector = 512;
2583                         sectors_per_unit = bsize/bytes_per_sector;
2584                         DEBUG(5,("call_trans2qfsinfo : SMB_QUERY_FS_SIZE_INFO bsize=%u, cSectorUnit=%u, \
2585 cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned int)sectors_per_unit,
2586                                 (unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
2587                         SBIG_UINT(pdata,0,dsize);
2588                         SBIG_UINT(pdata,8,dfree);
2589                         SIVAL(pdata,16,sectors_per_unit);
2590                         SIVAL(pdata,20,bytes_per_sector);
2591                         break;
2592                 }
2593
2594                 case SMB_FS_FULL_SIZE_INFORMATION:
2595                 {
2596                         SMB_BIG_UINT dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
2597                         data_len = 32;
2598                         if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (SMB_BIG_UINT)-1) {
2599                                 reply_unixerror(req, ERRHRD, ERRgeneral);
2600                                 return;
2601                         }
2602                         block_size = lp_block_size(snum);
2603                         if (bsize < block_size) {
2604                                 SMB_BIG_UINT factor = block_size/bsize;
2605                                 bsize = block_size;
2606                                 dsize /= factor;
2607                                 dfree /= factor;
2608                         }
2609                         if (bsize > block_size) {
2610                                 SMB_BIG_UINT factor = bsize/block_size;
2611                                 bsize = block_size;
2612                                 dsize *= factor;
2613                                 dfree *= factor;
2614                         }
2615                         bytes_per_sector = 512;
2616                         sectors_per_unit = bsize/bytes_per_sector;
2617                         DEBUG(5,("call_trans2qfsinfo : SMB_QUERY_FS_FULL_SIZE_INFO bsize=%u, cSectorUnit=%u, \
2618 cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned int)sectors_per_unit,
2619                                 (unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
2620                         SBIG_UINT(pdata,0,dsize); /* Total Allocation units. */
2621                         SBIG_UINT(pdata,8,dfree); /* Caller available allocation units. */
2622                         SBIG_UINT(pdata,16,dfree); /* Actual available allocation units. */
2623                         SIVAL(pdata,24,sectors_per_unit); /* Sectors per allocation unit. */
2624                         SIVAL(pdata,28,bytes_per_sector); /* Bytes per sector. */
2625                         break;
2626                 }
2627
2628                 case SMB_QUERY_FS_DEVICE_INFO:
2629                 case SMB_FS_DEVICE_INFORMATION:
2630                         data_len = 8;
2631                         SIVAL(pdata,0,0); /* dev type */
2632                         SIVAL(pdata,4,0); /* characteristics */
2633                         break;
2634
2635 #ifdef HAVE_SYS_QUOTAS
2636                 case SMB_FS_QUOTA_INFORMATION:
2637                 /*
2638                  * what we have to send --metze:
2639                  *
2640                  * Unknown1:            24 NULL bytes
2641                  * Soft Quota Treshold: 8 bytes seems like SMB_BIG_UINT or so
2642                  * Hard Quota Limit:    8 bytes seems like SMB_BIG_UINT or so
2643                  * Quota Flags:         2 byte :
2644                  * Unknown3:            6 NULL bytes
2645                  *
2646                  * 48 bytes total
2647                  *
2648                  * details for Quota Flags:
2649                  *
2650                  * 0x0020 Log Limit: log if the user exceeds his Hard Quota
2651                  * 0x0010 Log Warn:  log if the user exceeds his Soft Quota
2652                  * 0x0002 Deny Disk: deny disk access when the user exceeds his Hard Quota
2653                  * 0x0001 Enable Quotas: enable quota for this fs
2654                  *
2655                  */
2656                 {
2657                         /* we need to fake up a fsp here,
2658                          * because its not send in this call
2659                          */
2660                         files_struct fsp;
2661                         SMB_NTQUOTA_STRUCT quotas;
2662
2663                         ZERO_STRUCT(fsp);
2664                         ZERO_STRUCT(quotas);
2665
2666                         fsp.conn = conn;
2667                         fsp.fnum = -1;
2668
2669                         /* access check */
2670                         if (current_user.ut.uid != 0) {
2671                                 DEBUG(0,("set_user_quota: access_denied service [%s] user [%s]\n",
2672                                         lp_servicename(SNUM(conn)),conn->user));
2673                                 reply_doserror(req, ERRDOS, ERRnoaccess);
2674                                 return;
2675                         }
2676
2677                         if (vfs_get_ntquota(&fsp, SMB_USER_FS_QUOTA_TYPE, NULL, &quotas)!=0) {
2678                                 DEBUG(0,("vfs_get_ntquota() failed for service [%s]\n",lp_servicename(SNUM(conn))));
2679                                 reply_doserror(req, ERRSRV, ERRerror);
2680                                 return;
2681                         }
2682
2683                         data_len = 48;
2684
2685                         DEBUG(10,("SMB_FS_QUOTA_INFORMATION: for service [%s]\n",lp_servicename(SNUM(conn))));
2686
2687                         /* Unknown1 24 NULL bytes*/
2688                         SBIG_UINT(pdata,0,(SMB_BIG_UINT)0);
2689                         SBIG_UINT(pdata,8,(SMB_BIG_UINT)0);
2690                         SBIG_UINT(pdata,16,(SMB_BIG_UINT)0);
2691
2692                         /* Default Soft Quota 8 bytes */
2693                         SBIG_UINT(pdata,24,quotas.softlim);
2694
2695                         /* Default Hard Quota 8 bytes */
2696                         SBIG_UINT(pdata,32,quotas.hardlim);
2697
2698                         /* Quota flag 2 bytes */
2699                         SSVAL(pdata,40,quotas.qflags);
2700
2701                         /* Unknown3 6 NULL bytes */
2702                         SSVAL(pdata,42,0);
2703                         SIVAL(pdata,44,0);
2704
2705                         break;
2706                 }
2707 #endif /* HAVE_SYS_QUOTAS */
2708                 case SMB_FS_OBJECTID_INFORMATION:
2709                 {
2710                         unsigned char objid[16];
2711                         memcpy(pdata,create_volume_objectid(conn, objid),16);
2712                         data_len = 64;
2713                         break;
2714                 }
2715
2716                 /*
2717                  * Query the version and capabilities of the CIFS UNIX extensions
2718                  * in use.
2719                  */
2720
2721                 case SMB_QUERY_CIFS_UNIX_INFO:
2722                 {
2723                         bool large_write = lp_min_receive_file_size() &&
2724                                                 !srv_is_signing_active();
2725
2726                         if (!lp_unix_extensions()) {
2727                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2728                                 return;
2729                         }
2730                         data_len = 12;
2731                         SSVAL(pdata,0,CIFS_UNIX_MAJOR_VERSION);
2732                         SSVAL(pdata,2,CIFS_UNIX_MINOR_VERSION);
2733                         /* We have POSIX ACLs, pathname and locking capability. */
2734                         SBIG_UINT(pdata,4,((SMB_BIG_UINT)(
2735                                         CIFS_UNIX_POSIX_ACLS_CAP|
2736                                         CIFS_UNIX_POSIX_PATHNAMES_CAP|
2737                                         CIFS_UNIX_FCNTL_LOCKS_CAP|
2738                                         CIFS_UNIX_EXTATTR_CAP|
2739                                         CIFS_UNIX_POSIX_PATH_OPERATIONS_CAP|
2740                                         CIFS_UNIX_LARGE_READ_CAP|
2741                                         large_write ?
2742                                         CIFS_UNIX_LARGE_WRITE_CAP : 0)));
2743                         break;
2744                 }
2745
2746                 case SMB_QUERY_POSIX_FS_INFO:
2747                 {
2748                         int rc;
2749                         vfs_statvfs_struct svfs;
2750
2751                         if (!lp_unix_extensions()) {
2752                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2753                                 return;
2754                         }
2755
2756                         rc = SMB_VFS_STATVFS(conn, ".", &svfs);
2757
2758                         if (!rc) {
2759                                 data_len = 56;
2760                                 SIVAL(pdata,0,svfs.OptimalTransferSize);
2761                                 SIVAL(pdata,4,svfs.BlockSize);
2762                                 SBIG_UINT(pdata,8,svfs.TotalBlocks);
2763                                 SBIG_UINT(pdata,16,svfs.BlocksAvail);
2764                                 SBIG_UINT(pdata,24,svfs.UserBlocksAvail);
2765                                 SBIG_UINT(pdata,32,svfs.TotalFileNodes);
2766                                 SBIG_UINT(pdata,40,svfs.FreeFileNodes);
2767                                 SBIG_UINT(pdata,48,svfs.FsIdentifier);
2768                                 DEBUG(5,("call_trans2qfsinfo : SMB_QUERY_POSIX_FS_INFO succsessful\n"));
2769 #ifdef EOPNOTSUPP
2770                         } else if (rc == EOPNOTSUPP) {
2771                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2772                                 return;
2773 #endif /* EOPNOTSUPP */
2774                         } else {
2775                                 DEBUG(0,("vfs_statvfs() failed for service [%s]\n",lp_servicename(SNUM(conn))));
2776                                 reply_doserror(req, ERRSRV, ERRerror);
2777                                 return;
2778                         }
2779                         break;
2780                 }
2781
2782                 case SMB_QUERY_POSIX_WHOAMI:
2783                 {
2784                         uint32_t flags = 0;
2785                         uint32_t sid_bytes;
2786                         int i;
2787
2788                         if (!lp_unix_extensions()) {
2789                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2790                                 return;
2791                         }
2792
2793                         if (max_data_bytes < 40) {
2794                                 reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
2795                                 return;
2796                         }
2797
2798                         /* We ARE guest if global_sid_Builtin_Guests is
2799                          * in our list of SIDs.
2800                          */
2801                         if (nt_token_check_sid(&global_sid_Builtin_Guests,
2802                                     current_user.nt_user_token)) {
2803                                 flags |= SMB_WHOAMI_GUEST;
2804                         }
2805
2806                         /* We are NOT guest if global_sid_Authenticated_Users
2807                          * is in our list of SIDs.
2808                          */
2809                         if (nt_token_check_sid(&global_sid_Authenticated_Users,
2810                                     current_user.nt_user_token)) {
2811                                 flags &= ~SMB_WHOAMI_GUEST;
2812                         }
2813
2814                         /* NOTE: 8 bytes for UID/GID, irrespective of native
2815                          * platform size. This matches
2816                          * SMB_QUERY_FILE_UNIX_BASIC and friends.
2817                          */
2818                         data_len = 4 /* flags */
2819                             + 4 /* flag mask */
2820                             + 8 /* uid */
2821                             + 8 /* gid */
2822                             + 4 /* ngroups */
2823                             + 4 /* num_sids */
2824                             + 4 /* SID bytes */
2825                             + 4 /* pad/reserved */
2826                             + (current_user.ut.ngroups * 8)
2827                                 /* groups list */
2828                             + (current_user.nt_user_token->num_sids *
2829                                     SID_MAX_SIZE)
2830                                 /* SID list */;
2831
2832                         SIVAL(pdata, 0, flags);
2833                         SIVAL(pdata, 4, SMB_WHOAMI_MASK);
2834                         SBIG_UINT(pdata, 8, (SMB_BIG_UINT)current_user.ut.uid);
2835                         SBIG_UINT(pdata, 16, (SMB_BIG_UINT)current_user.ut.gid);
2836
2837
2838                         if (data_len >= max_data_bytes) {
2839                                 /* Potential overflow, skip the GIDs and SIDs. */
2840
2841                                 SIVAL(pdata, 24, 0); /* num_groups */
2842                                 SIVAL(pdata, 28, 0); /* num_sids */
2843                                 SIVAL(pdata, 32, 0); /* num_sid_bytes */
2844                                 SIVAL(pdata, 36, 0); /* reserved */
2845
2846                                 data_len = 40;
2847                                 break;
2848                         }
2849
2850                         SIVAL(pdata, 24, current_user.ut.ngroups);
2851                         SIVAL(pdata, 28,
2852                                 current_user.nt_user_token->num_sids);
2853
2854                         /* We walk the SID list twice, but this call is fairly
2855                          * infrequent, and I don't expect that it's performance
2856                          * sensitive -- jpeach
2857                          */
2858                         for (i = 0, sid_bytes = 0;
2859                             i < current_user.nt_user_token->num_sids; ++i) {
2860                                 sid_bytes +=
2861                                     sid_size(&current_user.nt_user_token->user_sids[i]);
2862                         }
2863
2864                         /* SID list byte count */
2865                         SIVAL(pdata, 32, sid_bytes);
2866
2867                         /* 4 bytes pad/reserved - must be zero */
2868                         SIVAL(pdata, 36, 0);
2869                         data_len = 40;
2870
2871                         /* GID list */
2872                         for (i = 0; i < current_user.ut.ngroups; ++i) {
2873                                 SBIG_UINT(pdata, data_len,
2874                                         (SMB_BIG_UINT)current_user.ut.groups[i]);
2875                                 data_len += 8;
2876                         }
2877
2878                         /* SID list */
2879                         for (i = 0;
2880                             i < current_user.nt_user_token->num_sids; ++i) {
2881                                 int sid_len =
2882                                     sid_size(&current_user.nt_user_token->user_sids[i]);
2883
2884                                 sid_linearize(pdata + data_len, sid_len,
2885                                     &current_user.nt_user_token->user_sids[i]);
2886                                 data_len += sid_len;
2887                         }
2888
2889                         break;
2890                 }
2891
2892                 case SMB_MAC_QUERY_FS_INFO:
2893                         /*
2894                          * Thursby MAC extension... ONLY on NTFS filesystems
2895                          * once we do streams then we don't need this
2896                          */
2897                         if (strequal(lp_fstype(SNUM(conn)),"NTFS")) {
2898                                 data_len = 88;
2899                                 SIVAL(pdata,84,0x100); /* Don't support mac... */
2900                                 break;
2901                         }
2902                         /* drop through */
2903                 default:
2904                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2905                         return;
2906         }
2907
2908
2909         send_trans2_replies(req, params, 0, pdata, data_len,
2910                             max_data_bytes);
2911
2912         DEBUG( 4, ( "%s info_level = %d\n",
2913                     smb_fn_name(CVAL(req->inbuf,smb_com)), info_level) );
2914
2915         return;
2916 }
2917
2918 /****************************************************************************
2919  Reply to a TRANS2_SETFSINFO (set filesystem info).
2920 ****************************************************************************/
2921
2922 static void call_trans2setfsinfo(connection_struct *conn,
2923                                  struct smb_request *req,
2924                                  char **pparams, int total_params,
2925                                  char **ppdata, int total_data,
2926                                  unsigned int max_data_bytes)
2927 {
2928         char *pdata = *ppdata;
2929         char *params = *pparams;
2930         uint16 info_level;
2931
2932         DEBUG(10,("call_trans2setfsinfo: for service [%s]\n",lp_servicename(SNUM(conn))));
2933
2934         /*  */
2935         if (total_params < 4) {
2936                 DEBUG(0,("call_trans2setfsinfo: requires total_params(%d) >= 4 bytes!\n",
2937                         total_params));
2938                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2939                 return;
2940         }
2941
2942         info_level = SVAL(params,2);
2943
2944         switch(info_level) {
2945                 case SMB_SET_CIFS_UNIX_INFO:
2946                         {
2947                                 uint16 client_unix_major;
2948                                 uint16 client_unix_minor;
2949                                 uint32 client_unix_cap_low;
2950                                 uint32 client_unix_cap_high;
2951
2952                                 if (!lp_unix_extensions()) {
2953                                         reply_nterror(req,
2954                                                       NT_STATUS_INVALID_LEVEL);
2955                                         return;
2956                                 }
2957
2958                                 /* There should be 12 bytes of capabilities set. */
2959                                 if (total_data < 8) {
2960                                         reply_nterror(
2961                                                 req,
2962                                                 NT_STATUS_INVALID_PARAMETER);
2963                                         return;
2964                                 }
2965                                 client_unix_major = SVAL(pdata,0);
2966                                 client_unix_minor = SVAL(pdata,2);
2967                                 client_unix_cap_low = IVAL(pdata,4);
2968                                 client_unix_cap_high = IVAL(pdata,8);
2969                                 /* Just print these values for now. */
2970                                 DEBUG(10,("call_trans2setfsinfo: set unix info. major = %u, minor = %u \
2971 cap_low = 0x%x, cap_high = 0x%x\n",
2972                                         (unsigned int)client_unix_major,
2973                                         (unsigned int)client_unix_minor,
2974                                         (unsigned int)client_unix_cap_low,
2975                                         (unsigned int)client_unix_cap_high ));
2976
2977                                 /* Here is where we must switch to posix pathname processing... */
2978                                 if (client_unix_cap_low & CIFS_UNIX_POSIX_PATHNAMES_CAP) {
2979                                         lp_set_posix_pathnames();
2980                                         mangle_change_to_posix();
2981                                 }
2982
2983                                 if ((client_unix_cap_low & CIFS_UNIX_FCNTL_LOCKS_CAP) &&
2984                                     !(client_unix_cap_low & CIFS_UNIX_POSIX_PATH_OPERATIONS_CAP)) {
2985                                         /* Client that knows how to do posix locks,
2986                                          * but not posix open/mkdir operations. Set a
2987                                          * default type for read/write checks. */
2988
2989                                         lp_set_posix_default_cifsx_readwrite_locktype(POSIX_LOCK);
2990
2991                                 }
2992                                 break;
2993                         }
2994                 case SMB_FS_QUOTA_INFORMATION:
2995                         {
2996                                 files_struct *fsp = NULL;
2997                                 SMB_NTQUOTA_STRUCT quotas;
2998
2999                                 ZERO_STRUCT(quotas);
3000
3001                                 /* access check */
3002                                 if ((current_user.ut.uid != 0)||!CAN_WRITE(conn)) {
3003                                         DEBUG(0,("set_user_quota: access_denied service [%s] user [%s]\n",
3004                                                 lp_servicename(SNUM(conn)),conn->user));
3005                                         reply_doserror(req, ERRSRV, ERRaccess);
3006                                         return;
3007                                 }
3008
3009                                 /* note: normaly there're 48 bytes,
3010                                  * but we didn't use the last 6 bytes for now
3011                                  * --metze
3012                                  */
3013                                 fsp = file_fsp(SVAL(params,0));
3014                                 if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
3015                                         DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
3016                                         reply_nterror(
3017                                                 req, NT_STATUS_INVALID_HANDLE);
3018                                         return;
3019                                 }
3020
3021                                 if (total_data < 42) {
3022                                         DEBUG(0,("call_trans2setfsinfo: SET_FS_QUOTA: requires total_data(%d) >= 42 bytes!\n",
3023                                                 total_data));
3024                                         reply_nterror(
3025                                                 req,
3026                                                 NT_STATUS_INVALID_PARAMETER);
3027                                         return;
3028                                 }
3029
3030                                 /* unknown_1 24 NULL bytes in pdata*/
3031
3032                                 /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
3033                                 quotas.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
3034 #ifdef LARGE_SMB_OFF_T
3035                                 quotas.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
3036 #else /* LARGE_SMB_OFF_T */
3037                                 if ((IVAL(pdata,28) != 0)&&
3038                                         ((quotas.softlim != 0xFFFFFFFF)||
3039                                         (IVAL(pdata,28)!=0xFFFFFFFF))) {
3040                                         /* more than 32 bits? */
3041                                         reply_nterror(
3042                                                 req,
3043                                                 NT_STATUS_INVALID_PARAMETER);
3044                                         return;
3045                                 }
3046 #endif /* LARGE_SMB_OFF_T */
3047
3048                                 /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
3049                                 quotas.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
3050 #ifdef LARGE_SMB_OFF_T
3051                                 quotas.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
3052 #else /* LARGE_SMB_OFF_T */
3053                                 if ((IVAL(pdata,36) != 0)&&
3054                                         ((quotas.hardlim != 0xFFFFFFFF)||
3055                                         (IVAL(pdata,36)!=0xFFFFFFFF))) {
3056                                         /* more than 32 bits? */
3057                                         reply_nterror(
3058                                                 req,
3059                                                 NT_STATUS_INVALID_PARAMETER);
3060                                         return;
3061                                 }
3062 #endif /* LARGE_SMB_OFF_T */
3063
3064                                 /* quota_flags 2 bytes **/
3065                                 quotas.qflags = SVAL(pdata,40);
3066
3067                                 /* unknown_2 6 NULL bytes follow*/
3068
3069                                 /* now set the quotas */
3070                                 if (vfs_set_ntquota(fsp, SMB_USER_FS_QUOTA_TYPE, NULL, &quotas)!=0) {
3071                                         DEBUG(0,("vfs_set_ntquota() failed for service [%s]\n",lp_servicename(SNUM(conn))));
3072                                         reply_doserror(req, ERRSRV, ERRerror);
3073                                         return;
3074                                 }
3075
3076                                 break;
3077                         }
3078                 default:
3079                         DEBUG(3,("call_trans2setfsinfo: unknown level (0x%X) not implemented yet.\n",
3080                                 info_level));
3081                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3082                         return;
3083                         break;
3084         }
3085
3086         /*
3087          * sending this reply works fine,
3088          * but I'm not sure it's the same
3089          * like windows do...
3090          * --metze
3091          */
3092         reply_outbuf(req, 10, 0);
3093 }
3094
3095 #if defined(HAVE_POSIX_ACLS)
3096 /****************************************************************************
3097  Utility function to count the number of entries in a POSIX acl.
3098 ****************************************************************************/
3099
3100 static unsigned int count_acl_entries(connection_struct *conn, SMB_ACL_T posix_acl)
3101 {
3102         unsigned int ace_count = 0;
3103         int entry_id = SMB_ACL_FIRST_ENTRY;
3104         SMB_ACL_ENTRY_T entry;
3105
3106         while ( posix_acl && (SMB_VFS_SYS_ACL_GET_ENTRY(conn, posix_acl, entry_id, &entry) == 1)) {
3107                 /* get_next... */
3108                 if (entry_id == SMB_ACL_FIRST_ENTRY) {
3109                         entry_id = SMB_ACL_NEXT_ENTRY;
3110                 }
3111                 ace_count++;
3112         }
3113         return ace_count;
3114 }
3115
3116 /****************************************************************************
3117  Utility function to marshall a POSIX acl into wire format.
3118 ****************************************************************************/
3119
3120 static bool marshall_posix_acl(connection_struct *conn, char *pdata, SMB_STRUCT_STAT *pst, SMB_ACL_T posix_acl)
3121 {
3122         int entry_id = SMB_ACL_FIRST_ENTRY;
3123         SMB_ACL_ENTRY_T entry;
3124
3125         while ( posix_acl && (SMB_VFS_SYS_ACL_GET_ENTRY(conn, posix_acl, entry_id, &entry) == 1)) {
3126                 SMB_ACL_TAG_T tagtype;
3127                 SMB_ACL_PERMSET_T permset;
3128                 unsigned char perms = 0;
3129                 unsigned int own_grp;
3130
3131                 /* get_next... */
3132                 if (entry_id == SMB_ACL_FIRST_ENTRY) {
3133                         entry_id = SMB_ACL_NEXT_ENTRY;
3134                 }
3135
3136                 if (SMB_VFS_SYS_ACL_GET_TAG_TYPE(conn, entry, &tagtype) == -1) {
3137                         DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_TAG_TYPE failed.\n"));
3138                         return False;
3139                 }
3140
3141                 if (SMB_VFS_SYS_ACL_GET_PERMSET(conn, entry, &permset) == -1) {
3142                         DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_PERMSET failed.\n"));
3143                         return False;
3144                 }
3145
3146                 perms |= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_READ) ? SMB_POSIX_ACL_READ : 0);
3147                 perms |= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_WRITE) ? SMB_POSIX_ACL_WRITE : 0);
3148                 perms |= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_EXECUTE) ? SMB_POSIX_ACL_EXECUTE : 0);
3149
3150                 SCVAL(pdata,1,perms);
3151
3152                 switch (tagtype) {
3153                         case SMB_ACL_USER_OBJ:
3154                                 SCVAL(pdata,0,SMB_POSIX_ACL_USER_OBJ);
3155                                 own_grp = (unsigned int)pst->st_uid;
3156                                 SIVAL(pdata,2,own_grp);
3157                                 SIVAL(pdata,6,0);
3158                                 break;
3159                         case SMB_ACL_USER:
3160                                 {
3161                                         uid_t *puid = (uid_t *)SMB_VFS_SYS_ACL_GET_QUALIFIER(conn, entry);
3162                                         if (!puid) {
3163                                                 DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_QUALIFIER failed.\n"));
3164                                                 return False;
3165                                         }
3166                                         own_grp = (unsigned int)*puid;
3167                                         SMB_VFS_SYS_ACL_FREE_QUALIFIER(conn, (void *)puid,tagtype);
3168                                         SCVAL(pdata,0,SMB_POSIX_ACL_USER);
3169                                         SIVAL(pdata,2,own_grp);
3170                                         SIVAL(pdata,6,0);
3171                                         break;
3172                                 }
3173                         case SMB_ACL_GROUP_OBJ:
3174                                 SCVAL(pdata,0,SMB_POSIX_ACL_GROUP_OBJ);
3175                                 own_grp = (unsigned int)pst->st_gid;
3176                                 SIVAL(pdata,2,own_grp);
3177                                 SIVAL(pdata,6,0);
3178                                 break;
3179                         case SMB_ACL_GROUP:
3180                                 {
3181                                         gid_t *pgid= (gid_t *)SMB_VFS_SYS_ACL_GET_QUALIFIER(conn, entry);
3182                                         if (!pgid) {
3183                                                 DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_QUALIFIER failed.\n"));
3184                                                 return False;
3185                                         }
3186                                         own_grp = (unsigned int)*pgid;
3187                                         SMB_VFS_SYS_ACL_FREE_QUALIFIER(conn, (void *)pgid,tagtype);
3188                                         SCVAL(pdata,0,SMB_POSIX_ACL_GROUP);
3189                                         SIVAL(pdata,2,own_grp);
3190                                         SIVAL(pdata,6,0);
3191                                         break;
3192                                 }
3193                         case SMB_ACL_MASK:
3194                                 SCVAL(pdata,0,SMB_POSIX_ACL_MASK);
3195                                 SIVAL(pdata,2,0xFFFFFFFF);
3196                                 SIVAL(pdata,6,0xFFFFFFFF);
3197                                 break;
3198                         case SMB_ACL_OTHER:
3199                                 SCVAL(pdata,0,SMB_POSIX_ACL_OTHER);
3200                                 SIVAL(pdata,2,0xFFFFFFFF);
3201                                 SIVAL(pdata,6,0xFFFFFFFF);
3202                                 break;
3203                         default:
3204                                 DEBUG(0,("marshall_posix_acl: unknown tagtype.\n"));
3205                                 return False;
3206                 }
3207                 pdata += SMB_POSIX_ACL_ENTRY_SIZE;
3208         }
3209
3210         return True;
3211 }
3212 #endif
3213
3214 /****************************************************************************
3215  Store the FILE_UNIX_BASIC info.
3216 ****************************************************************************/
3217
3218 static char *store_file_unix_basic(connection_struct *conn,
3219                                 char *pdata,
3220                                 files_struct *fsp,
3221                                 const SMB_STRUCT_STAT *psbuf)
3222 {
3223         DEBUG(10,("store_file_unix_basic: SMB_QUERY_FILE_UNIX_BASIC\n"));
3224         DEBUG(4,("store_file_unix_basic: st_mode=%o\n",(int)psbuf->st_mode));
3225
3226         SOFF_T(pdata,0,get_file_size(*psbuf));             /* File size 64 Bit */
3227         pdata += 8;
3228
3229         SOFF_T(pdata,0,get_allocation_size(conn,fsp,psbuf)); /* Number of bytes used on disk - 64 Bit */
3230         pdata += 8;
3231
3232         put_long_date_timespec(pdata,get_ctimespec(psbuf));       /* Change Time 64 Bit */
3233         put_long_date_timespec(pdata+8,get_atimespec(psbuf));     /* Last access time 64 Bit */
3234         put_long_date_timespec(pdata+16,get_mtimespec(psbuf));    /* Last modification time 64 Bit */
3235         pdata += 24;
3236
3237         SIVAL(pdata,0,psbuf->st_uid);               /* user id for the owner */
3238         SIVAL(pdata,4,0);
3239         pdata += 8;
3240
3241         SIVAL(pdata,0,psbuf->st_gid);               /* group id of owner */
3242         SIVAL(pdata,4,0);
3243         pdata += 8;
3244
3245         SIVAL(pdata,0,unix_filetype(psbuf->st_mode));
3246         pdata += 4;
3247
3248         SIVAL(pdata,0,unix_dev_major(psbuf->st_rdev));   /* Major device number if type is device */
3249         SIVAL(pdata,4,0);
3250         pdata += 8;
3251
3252         SIVAL(pdata,0,unix_dev_minor(psbuf->st_rdev));   /* Minor device number if type is device */
3253         SIVAL(pdata,4,0);
3254         pdata += 8;
3255
3256         SINO_T_VAL(pdata,0,(SMB_INO_T)psbuf->st_ino);   /* inode number */
3257         pdata += 8;
3258
3259         SIVAL(pdata,0, unix_perms_to_wire(psbuf->st_mode));     /* Standard UNIX file permissions */
3260         SIVAL(pdata,4,0);
3261         pdata += 8;
3262
3263         SIVAL(pdata,0,psbuf->st_nlink);             /* number of hard links */
3264         SIVAL(pdata,4,0);
3265         pdata += 8;
3266
3267         return pdata;
3268 }
3269
3270 /* Forward and reverse mappings from the UNIX_INFO2 file flags field and
3271  * the chflags(2) (or equivalent) flags.
3272  *
3273  * XXX: this really should be behind the VFS interface. To do this, we would
3274  * need to alter SMB_STRUCT_STAT so that it included a flags and a mask field.
3275  * Each VFS module could then implement it's own mapping as appropriate for the
3276  * platform. We would then pass the SMB flags into SMB_VFS_CHFLAGS.
3277  */
3278 static const struct {unsigned stat_fflag; unsigned smb_fflag;}
3279         info2_flags_map[] =
3280 {
3281 #ifdef UF_NODUMP
3282     { UF_NODUMP, EXT_DO_NOT_BACKUP },
3283 #endif
3284
3285 #ifdef UF_IMMUTABLE
3286     { UF_IMMUTABLE, EXT_IMMUTABLE },
3287 #endif
3288
3289 #ifdef UF_APPEND
3290     { UF_APPEND, EXT_OPEN_APPEND_ONLY },
3291 #endif
3292
3293 #ifdef UF_HIDDEN
3294     { UF_HIDDEN, EXT_HIDDEN },
3295 #endif
3296
3297     /* Do not remove. We need to guarantee that this array has at least one
3298      * entry to build on HP-UX.
3299      */
3300     { 0, 0 }
3301
3302 };
3303
3304 static void map_info2_flags_from_sbuf(const SMB_STRUCT_STAT *psbuf,
3305                                 uint32 *smb_fflags, uint32 *smb_fmask)
3306 {
3307 #ifdef HAVE_STAT_ST_FLAGS
3308         int i;
3309
3310         for (i = 0; i < ARRAY_SIZE(info2_flags_map); ++i) {
3311             *smb_fmask |= info2_flags_map[i].smb_fflag;
3312             if (psbuf->st_flags & info2_flags_map[i].stat_fflag) {
3313                     *smb_fflags |= info2_flags_map[i].smb_fflag;
3314             }
3315         }
3316 #endif /* HAVE_STAT_ST_FLAGS */
3317 }
3318
3319 static bool map_info2_flags_to_sbuf(const SMB_STRUCT_STAT *psbuf,
3320                                 const uint32 smb_fflags,
3321                                 const uint32 smb_fmask,
3322                                 int *stat_fflags)
3323 {
3324 #ifdef HAVE_STAT_ST_FLAGS
3325         uint32 max_fmask = 0;
3326         int i;
3327
3328         *stat_fflags = psbuf->st_flags;
3329
3330         /* For each flags requested in smb_fmask, check the state of the
3331          * corresponding flag in smb_fflags and set or clear the matching
3332          * stat flag.
3333          */
3334
3335         for (i = 0; i < ARRAY_SIZE(info2_flags_map); ++i) {
3336             max_fmask |= info2_flags_map[i].smb_fflag;
3337             if (smb_fmask & info2_flags_map[i].smb_fflag) {
3338                     if (smb_fflags & info2_flags_map[i].smb_fflag) {
3339                             *stat_fflags |= info2_flags_map[i].stat_fflag;
3340                     } else {
3341                             *stat_fflags &= ~info2_flags_map[i].stat_fflag;
3342                     }
3343             }
3344         }
3345
3346         /* If smb_fmask is asking to set any bits that are not supported by
3347          * our flag mappings, we should fail.
3348          */
3349         if ((smb_fmask & max_fmask) != smb_fmask) {
3350                 return False;
3351         }
3352
3353         return True;
3354 #else
3355         return False;
3356 #endif /* HAVE_STAT_ST_FLAGS */
3357 }
3358
3359
3360 /* Just like SMB_QUERY_FILE_UNIX_BASIC, but with the addition
3361  * of file flags and birth (create) time.
3362  */
3363 static char *store_file_unix_basic_info2(connection_struct *conn,
3364                                 char *pdata,
3365                                 files_struct *fsp,
3366                                 const SMB_STRUCT_STAT *psbuf)
3367 {
3368         uint32 file_flags = 0;
3369         uint32 flags_mask = 0;
3370
3371         pdata = store_file_unix_basic(conn, pdata, fsp, psbuf);
3372
3373         /* Create (birth) time 64 bit */
3374         put_long_date_timespec(pdata, get_create_timespec(psbuf, False));
3375         pdata += 8;
3376
3377         map_info2_flags_from_sbuf(psbuf, &file_flags, &flags_mask);
3378         SIVAL(pdata, 0, file_flags); /* flags */
3379         SIVAL(pdata, 4, flags_mask); /* mask */
3380         pdata += 8;
3381
3382         return pdata;
3383 }
3384
3385 /****************************************************************************
3386  Reply to a TRANSACT2_QFILEINFO on a PIPE !
3387 ****************************************************************************/
3388
3389 static void call_trans2qpipeinfo(connection_struct *conn,
3390                                  struct smb_request *req,
3391                                  unsigned int tran_call,
3392                                  char **pparams, int total_params,
3393                                  char **ppdata, int total_data,
3394                                  unsigned int max_data_bytes)
3395 {
3396         char *params = *pparams;
3397         char *pdata = *ppdata;
3398         unsigned int data_size = 0;
3399         unsigned int param_size = 2;
3400         uint16 info_level;
3401         smb_np_struct *p_pipe = NULL;
3402
3403         if (!params) {
3404                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3405                 return;
3406         }
3407
3408         if (total_params < 4) {
3409                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3410                 return;
3411         }
3412
3413         p_pipe = get_rpc_pipe_p(SVAL(params,0));
3414         if (p_pipe == NULL) {
3415                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
3416                 return;
3417         }
3418
3419         info_level = SVAL(params,2);
3420
3421         *pparams = (char *)SMB_REALLOC(*pparams,2);
3422         if (*pparams == NULL) {
3423                 reply_nterror(req, NT_STATUS_NO_MEMORY);
3424                 return;
3425         }
3426         params = *pparams;
3427         SSVAL(params,0,0);
3428         data_size = max_data_bytes + DIR_ENTRY_SAFETY_MARGIN;
3429         *ppdata = (char *)SMB_REALLOC(*ppdata, data_size);
3430         if (*ppdata == NULL ) {
3431                 reply_nterror(req, NT_STATUS_NO_MEMORY);
3432                 return;
3433         }
3434         pdata = *ppdata;
3435
3436         switch (info_level) {
3437                 case SMB_FILE_STANDARD_INFORMATION:
3438                         memset(pdata,0,24);
3439                         SOFF_T(pdata,0,4096LL);
3440                         SIVAL(pdata,16,1);
3441                         SIVAL(pdata,20,1);
3442                         data_size = 24;
3443                         break;
3444
3445                 default:
3446                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3447                         return;
3448         }
3449
3450         send_trans2_replies(req, params, param_size, *ppdata, data_size,
3451                             max_data_bytes);
3452
3453         return;
3454 }
3455
3456 /****************************************************************************
3457  Reply to a TRANS2_QFILEPATHINFO or TRANSACT2_QFILEINFO (query file info by
3458  file name or file id).
3459 ****************************************************************************/
3460
3461 static void call_trans2qfilepathinfo(connection_struct *conn,
3462                                      struct smb_request *req,
3463                                      unsigned int tran_call,
3464                                      char **pparams, int total_params,
3465                                      char **ppdata, int total_data,
3466                                      unsigned int max_data_bytes)
3467 {
3468         char *params = *pparams;
3469         char *pdata = *ppdata;
3470         char *dstart, *dend;
3471         uint16 info_level;
3472         int mode=0;
3473         int nlink;
3474         SMB_OFF_T file_size=0;
3475         SMB_BIG_UINT allocation_size=0;
3476         unsigned int data_size = 0;
3477         unsigned int param_size = 2;
3478         SMB_STRUCT_STAT sbuf;
3479         char *dos_fname = NULL;
3480         char *fname = NULL;
3481         char *fullpathname;
3482         char *base_name;
3483         char *p;
3484         SMB_OFF_T pos = 0;
3485         bool delete_pending = False;
3486         int len;
3487         time_t create_time, mtime, atime;
3488         struct timespec create_time_ts, mtime_ts, atime_ts;
3489         files_struct *fsp = NULL;
3490         struct file_id fileid;
3491         struct ea_list *ea_list = NULL;
3492         uint32 access_mask = 0x12019F; /* Default - GENERIC_EXECUTE mapping from Windows */
3493         char *lock_data = NULL;
3494         TALLOC_CTX *ctx = talloc_tos();
3495
3496         if (!params) {
3497                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3498                 return;
3499         }
3500
3501         ZERO_STRUCT(sbuf);
3502
3503         if (tran_call == TRANSACT2_QFILEINFO) {
3504                 if (total_params < 4) {
3505                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3506                         return;
3507                 }
3508
3509                 if (IS_IPC(conn)) {
3510                         call_trans2qpipeinfo(conn, req, tran_call,
3511                                              pparams, total_params,
3512                                              ppdata, total_data,
3513                                              max_data_bytes);
3514                         return;
3515                 }
3516
3517                 fsp = file_fsp(SVAL(params,0));
3518                 info_level = SVAL(params,2);
3519
3520                 DEBUG(3,("call_trans2qfilepathinfo: TRANSACT2_QFILEINFO: level = %d\n", info_level));
3521
3522                 if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
3523                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3524                         return;
3525                 }
3526
3527                 /* Initial check for valid fsp ptr. */
3528                 if (!check_fsp_open(conn, req, fsp, &current_user)) {
3529                         return;
3530                 }
3531
3532                 fname = talloc_strdup(talloc_tos(),fsp->fsp_name);
3533                 if (!fname) {
3534                         reply_nterror(req, NT_STATUS_NO_MEMORY);
3535                         return;
3536                 }
3537
3538                 if(fsp->fake_file_handle) {
3539                         /*
3540                          * This is actually for the QUOTA_FAKE_FILE --metze
3541                          */
3542
3543                         /* We know this name is ok, it's already passed the checks. */
3544
3545                 } else if(fsp && (fsp->is_directory || fsp->fh->fd == -1)) {
3546                         /*
3547                          * This is actually a QFILEINFO on a directory
3548                          * handle (returned from an NT SMB). NT5.0 seems
3549                          * to do this call. JRA.
3550                          */
3551
3552                         if (INFO_LEVEL_IS_UNIX(info_level)) {
3553                                 /* Always do lstat for UNIX calls. */
3554                                 if (SMB_VFS_LSTAT(conn,fname,&sbuf)) {
3555                                         DEBUG(3,("call_trans2qfilepathinfo: SMB_VFS_LSTAT of %s failed (%s)\n",fname,strerror(errno)));
3556                                         reply_unixerror(req,ERRDOS,ERRbadpath);
3557                                         return;
3558                                 }
3559                         } else if (SMB_VFS_STAT(conn,fname,&sbuf)) {
3560                                 DEBUG(3,("call_trans2qfilepathinfo: SMB_VFS_STAT of %s failed (%s)\n",fname,strerror(errno)));
3561                                 reply_unixerror(req, ERRDOS, ERRbadpath);
3562                                 return;
3563                         }
3564
3565                         fileid = vfs_file_id_from_sbuf(conn, &sbuf);
3566                         delete_pending = get_delete_on_close_flag(fileid);
3567                 } else {
3568                         /*
3569                          * Original code - this is an open file.
3570                          */
3571                         if (!check_fsp(conn, req, fsp, &current_user)) {
3572                                 return;
3573                         }
3574
3575                         if (SMB_VFS_FSTAT(fsp,fsp->fh->fd,&sbuf) != 0) {
3576                                 DEBUG(3,("fstat of fnum %d failed (%s)\n", fsp->fnum, strerror(errno)));
3577                                 reply_unixerror(req, ERRDOS, ERRbadfid);
3578                                 return;
3579                         }
3580                         pos = fsp->fh->position_information;
3581                         fileid = vfs_file_id_from_sbuf(conn, &sbuf);
3582                         delete_pending = get_delete_on_close_flag(fileid);
3583                         access_mask = fsp->access_mask;
3584                 }
3585
3586         } else {
3587                 NTSTATUS status = NT_STATUS_OK;
3588
3589                 /* qpathinfo */
3590                 if (total_params < 7) {
3591                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3592                         return;
3593                 }
3594
3595                 info_level = SVAL(params,0);
3596
3597                 DEBUG(3,("call_trans2qfilepathinfo: TRANSACT2_QPATHINFO: level = %d\n", info_level));
3598
3599                 if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
3600                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3601                         return;
3602                 }
3603
3604                 srvstr_get_path(ctx, params, req->flags2, &fname, &params[6],
3605                                 total_params - 6,
3606                                 STR_TERMINATE, &status);
3607                 if (!NT_STATUS_IS_OK(status)) {
3608                         reply_nterror(req, status);
3609                         return;
3610                 }
3611
3612                 status = resolve_dfspath(ctx,
3613                                         conn,
3614                                         req->flags2 & FLAGS2_DFS_PATHNAMES,
3615                                         fname,
3616                                         &fname);
3617                 if (!NT_STATUS_IS_OK(status)) {
3618                         if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
3619                                 reply_botherror(req,
3620                                                 NT_STATUS_PATH_NOT_COVERED,
3621                                                 ERRSRV, ERRbadpath);
3622                         }
3623                         reply_nterror(req, status);
3624                         return;
3625                 }
3626
3627                 status = unix_convert(ctx, conn, fname, False, &fname, NULL, &sbuf);
3628                 if (!NT_STATUS_IS_OK(status)) {
3629                         reply_nterror(req, status);
3630                         return;
3631                 }
3632                 status = check_name(conn, fname);
3633                 if (!NT_STATUS_IS_OK(status)) {
3634                         DEBUG(3,("call_trans2qfilepathinfo: fileinfo of %s failed (%s)\n",fname,nt_errstr(status)));
3635                         reply_nterror(req, status);
3636                         return;
3637                 }
3638
3639                 if (INFO_LEVEL_IS_UNIX(info_level)) {
3640                         /* Always do lstat for UNIX calls. */
3641                         if (SMB_VFS_LSTAT(conn,fname,&sbuf)) {
3642                                 DEBUG(3,("call_trans2qfilepathinfo: SMB_VFS_LSTAT of %s failed (%s)\n",fname,strerror(errno)));
3643                                 reply_unixerror(req, ERRDOS, ERRbadpath);
3644                                 return;
3645                         }
3646                 } else if (!VALID_STAT(sbuf) && SMB_VFS_STAT(conn,fname,&sbuf) && (info_level != SMB_INFO_IS_NAME_VALID)) {
3647                         DEBUG(3,("call_trans2qfilepathinfo: SMB_VFS_STAT of %s failed (%s)\n",fname,strerror(errno)));
3648                         reply_unixerror(req, ERRDOS, ERRbadpath);
3649                         return;
3650                 }
3651
3652                 fileid = vfs_file_id_from_sbuf(conn, &sbuf);
3653                 delete_pending = get_delete_on_close_flag(fileid);
3654                 if (delete_pending) {
3655                         reply_nterror(req, NT_STATUS_DELETE_PENDING);
3656                         return;
3657                 }
3658         }
3659
3660         nlink = sbuf.st_nlink;
3661
3662         if ((nlink > 0) && S_ISDIR(sbuf.st_mode)) {
3663                 /* NTFS does not seem to count ".." */
3664                 nlink -= 1;
3665         }
3666
3667         if ((nlink > 0) && delete_pending) {
3668                 nlink -= 1;
3669         }
3670
3671         if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
3672                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3673                 return;
3674         }
3675
3676         DEBUG(3,("call_trans2qfilepathinfo %s (fnum = %d) level=%d call=%d total_data=%d\n",
3677                 fname,fsp ? fsp->fnum : -1, info_level,tran_call,total_data));
3678
3679         p = strrchr_m(fname,'/');
3680         if (!p)
3681                 base_name = fname;
3682         else
3683                 base_name = p+1;
3684
3685         mode = dos_mode(conn,fname,&sbuf);
3686         if (!mode)
3687                 mode = FILE_ATTRIBUTE_NORMAL;
3688
3689         fullpathname = fname;
3690         if (!(mode & aDIR))
3691                 file_size = get_file_size(sbuf);
3692
3693         /* Pull out any data sent here before we realloc. */
3694         switch (info_level) {
3695                 case SMB_INFO_QUERY_EAS_FROM_LIST:
3696                 {
3697                         /* Pull any EA list from the data portion. */
3698                         uint32 ea_size;
3699
3700                         if (total_data < 4) {
3701                                 reply_nterror(
3702                                         req, NT_STATUS_INVALID_PARAMETER);
3703                                 return;
3704                         }
3705                         ea_size = IVAL(pdata,0);
3706
3707                         if (total_data > 0 && ea_size != total_data) {
3708                                 DEBUG(4,("call_trans2qfilepathinfo: Rejecting EA request with incorrect \
3709 total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
3710                                 reply_nterror(
3711                                         req, NT_STATUS_INVALID_PARAMETER);
3712                                 return;
3713                         }
3714
3715                         if (!lp_ea_support(SNUM(conn))) {
3716                                 reply_doserror(req, ERRDOS,
3717                                                ERReasnotsupported);
3718                                 return;
3719                         }
3720
3721                         /* Pull out the list of names. */
3722                         ea_list = read_ea_name_list(ctx, pdata + 4, ea_size - 4);
3723                         if (!ea_list) {
3724                                 reply_nterror(
3725                                         req, NT_STATUS_INVALID_PARAMETER);
3726                                 return;
3727                         }
3728                         break;
3729                 }
3730
3731                 case SMB_QUERY_POSIX_LOCK:
3732                 {
3733                         if (fsp == NULL || fsp->fh->fd == -1) {
3734                                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
3735                                 return;
3736                         }
3737
3738                         if (total_data != POSIX_LOCK_DATA_SIZE) {
3739                                 reply_nterror(
3740                                         req, NT_STATUS_INVALID_PARAMETER);
3741                                 return;
3742                         }
3743
3744                         /* Copy the lock range data. */
3745                         lock_data = (char *)TALLOC_MEMDUP(
3746                                 ctx, pdata, total_data);
3747                         if (!lock_data) {
3748                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
3749                                 return;
3750                         }
3751                 }
3752                 default:
3753                         break;
3754         }
3755
3756         *pparams = (char *)SMB_REALLOC(*pparams,2);
3757         if (*pparams == NULL) {
3758                 reply_nterror(req, NT_STATUS_NO_MEMORY);
3759                 return;
3760         }
3761         params = *pparams;
3762         SSVAL(params,0,0);
3763         data_size = max_data_bytes + DIR_ENTRY_SAFETY_MARGIN;
3764         *ppdata = (char *)SMB_REALLOC(*ppdata, data_size);
3765         if (*ppdata == NULL ) {
3766                 reply_nterror(req, NT_STATUS_NO_MEMORY);
3767                 return;
3768         }
3769         pdata = *ppdata;
3770         dstart = pdata;
3771         dend = dstart + data_size - 1;
3772
3773         create_time_ts = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
3774         mtime_ts = get_mtimespec(&sbuf);
3775         atime_ts = get_atimespec(&sbuf);
3776
3777         allocation_size = get_allocation_size(conn,fsp,&sbuf);
3778
3779         if (fsp) {
3780                 if (!null_timespec(fsp->pending_modtime)) {
3781                         /* the pending modtime overrides the current modtime */
3782                         mtime_ts = fsp->pending_modtime;
3783                 }
3784         } else {
3785                 files_struct *fsp1;
3786                 /* Do we have this path open ? */
3787                 fileid = vfs_file_id_from_sbuf(conn, &sbuf);
3788                 fsp1 = file_find_di_first(fileid);
3789                 if (fsp1 && !null_timespec(fsp1->pending_modtime)) {
3790                         /* the pending modtime overrides the current modtime */
3791                         mtime_ts = fsp1->pending_modtime;
3792                 }
3793                 if (fsp1 && fsp1->initial_allocation_size) {
3794                         allocation_size = get_allocation_size(conn, fsp1, &sbuf);
3795                 }
3796         }
3797
3798         if (lp_dos_filetime_resolution(SNUM(conn))) {
3799                 dos_filetime_timespec(&create_time_ts);
3800                 dos_filetime_timespec(&mtime_ts);
3801                 dos_filetime_timespec(&atime_ts);
3802         }
3803
3804         create_time = convert_timespec_to_time_t(create_time_ts);
3805         mtime = convert_timespec_to_time_t(mtime_ts);
3806         atime = convert_timespec_to_time_t(atime_ts);
3807
3808         /* NT expects the name to be in an exact form of the *full*
3809            filename. See the trans2 torture test */
3810         if (ISDOT(base_name)) {
3811                 dos_fname = talloc_strdup(ctx, "\\");
3812                 if (!dos_fname) {
3813                         reply_nterror(req, NT_STATUS_NO_MEMORY);
3814                         return;
3815                 }
3816         } else {
3817                 dos_fname = talloc_asprintf(ctx,
3818                                 "\\%s",
3819                                 fname);
3820                 if (!dos_fname) {
3821                         reply_nterror(req, NT_STATUS_NO_MEMORY);
3822                         return;
3823                 }
3824                 string_replace(dos_fname, '/', '\\');
3825         }
3826
3827         switch (info_level) {
3828                 case SMB_INFO_STANDARD:
3829                         DEBUG(10,("call_trans2qfilepathinfo: SMB_INFO_STANDARD\n"));
3830                         data_size = 22;
3831                         srv_put_dos_date2(pdata,l1_fdateCreation,create_time);
3832                         srv_put_dos_date2(pdata,l1_fdateLastAccess,atime);
3833                         srv_put_dos_date2(pdata,l1_fdateLastWrite,mtime); /* write time */
3834                         SIVAL(pdata,l1_cbFile,(uint32)file_size);
3835                         SIVAL(pdata,l1_cbFileAlloc,(uint32)allocation_size);
3836                         SSVAL(pdata,l1_attrFile,mode);
3837                         break;
3838
3839                 case SMB_INFO_QUERY_EA_SIZE:
3840                 {
3841                         unsigned int ea_size = estimate_ea_size(conn, fsp, fname);
3842                         DEBUG(10,("call_trans2qfilepathinfo: SMB_INFO_QUERY_EA_SIZE\n"));
3843                         data_size = 26;
3844                         srv_put_dos_date2(pdata,0,create_time);
3845                         srv_put_dos_date2(pdata,4,atime);
3846                         srv_put_dos_date2(pdata,8,mtime); /* write time */
3847                         SIVAL(pdata,12,(uint32)file_size);
3848                         SIVAL(pdata,16,(uint32)allocation_size);
3849                         SSVAL(pdata,20,mode);
3850                         SIVAL(pdata,22,ea_size);
3851                         break;
3852                 }
3853
3854                 case SMB_INFO_IS_NAME_VALID:
3855                         DEBUG(10,("call_trans2qfilepathinfo: SMB_INFO_IS_NAME_VALID\n"));
3856                         if (tran_call == TRANSACT2_QFILEINFO) {
3857                                 /* os/2 needs this ? really ?*/
3858                                 reply_doserror(req, ERRDOS, ERRbadfunc);
3859                                 return;
3860                         }
3861                         data_size = 0;
3862                         param_size = 0;
3863                         break;
3864
3865                 case SMB_INFO_QUERY_EAS_FROM_LIST:
3866                 {
3867                         size_t total_ea_len = 0;
3868                         struct ea_list *ea_file_list = NULL;
3869
3870                         DEBUG(10,("call_trans2qfilepathinfo: SMB_INFO_QUERY_EAS_FROM_LIST\n"));
3871
3872                         ea_file_list = get_ea_list_from_file(ctx, conn, fsp, fname, &total_ea_len);
3873                         ea_list = ea_list_union(ea_list, ea_file_list, &total_ea_len);
3874
3875                         if (!ea_list || (total_ea_len > data_size)) {
3876                                 data_size = 4;
3877                                 SIVAL(pdata,0,4);   /* EA List Length must be set to 4 if no EA's. */
3878                                 break;
3879                         }
3880
3881                         data_size = fill_ea_buffer(ctx, pdata, data_size, conn, ea_list);
3882                         break;
3883                 }
3884
3885                 case SMB_INFO_QUERY_ALL_EAS:
3886                 {
3887                         /* We have data_size bytes to put EA's into. */
3888                         size_t total_ea_len = 0;
3889
3890                         DEBUG(10,("call_trans2qfilepathinfo: SMB_INFO_QUERY_ALL_EAS\n"));
3891
3892                         ea_list = get_ea_list_from_file(ctx, conn, fsp, fname, &total_ea_len);
3893                         if (!ea_list || (total_ea_len > data_size)) {
3894                                 data_size = 4;
3895                                 SIVAL(pdata,0,4);   /* EA List Length must be set to 4 if no EA's. */
3896                                 break;
3897                         }
3898
3899                         data_size = fill_ea_buffer(ctx, pdata, data_size, conn, ea_list);
3900                         break;
3901                 }
3902
3903                 case SMB_FILE_BASIC_INFORMATION:
3904                 case SMB_QUERY_FILE_BASIC_INFO:
3905
3906                         if (info_level == SMB_QUERY_FILE_BASIC_INFO) {
3907                                 DEBUG(10,("call_trans2qfilepathinfo: SMB_QUERY_FILE_BASIC_INFO\n"));
3908                                 data_size = 36; /* w95 returns 40 bytes not 36 - why ?. */
3909                         } else {
3910                                 DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_BASIC_INFORMATION\n"));
3911                                 data_size = 40;
3912                                 SIVAL(pdata,36,0);
3913                         }
3914                         put_long_date_timespec(pdata,create_time_ts);
3915                         put_long_date_timespec(pdata+8,atime_ts);
3916                         put_long_date_timespec(pdata+16,mtime_ts); /* write time */
3917                         put_long_date_timespec(pdata+24,mtime_ts); /* change time */
3918                         SIVAL(pdata,32,mode);
3919
3920                         DEBUG(5,("SMB_QFBI - "));
3921                         DEBUG(5,("create: %s ", ctime(&create_time)));
3922                         DEBUG(5,("access: %s ", ctime(&atime)));
3923                         DEBUG(5,("write: %s ", ctime(&mtime)));
3924                         DEBUG(5,("change: %s ", ctime(&mtime)));
3925                         DEBUG(5,("mode: %x\n", mode));
3926                         break;
3927
3928                 case SMB_FILE_STANDARD_INFORMATION:
3929                 case SMB_QUERY_FILE_STANDARD_INFO:
3930
3931                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_STANDARD_INFORMATION\n"));
3932                         data_size = 24;
3933                         SOFF_T(pdata,0,allocation_size);
3934                         SOFF_T(pdata,8,file_size);
3935                         SIVAL(pdata,16,nlink);
3936                         SCVAL(pdata,20,delete_pending?1:0);
3937                         SCVAL(pdata,21,(mode&aDIR)?1:0);
3938                         SSVAL(pdata,22,0); /* Padding. */
3939                         break;
3940
3941                 case SMB_FILE_EA_INFORMATION:
3942                 case SMB_QUERY_FILE_EA_INFO:
3943                 {
3944                         unsigned int ea_size = estimate_ea_size(conn, fsp, fname);
3945                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_EA_INFORMATION\n"));
3946                         data_size = 4;
3947                         SIVAL(pdata,0,ea_size);
3948                         break;
3949                 }
3950
3951                 /* Get the 8.3 name - used if NT SMB was negotiated. */
3952                 case SMB_QUERY_FILE_ALT_NAME_INFO:
3953                 case SMB_FILE_ALTERNATE_NAME_INFORMATION:
3954                 {
3955                         char mangled_name[13];
3956                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ALTERNATE_NAME_INFORMATION\n"));
3957                         if (!name_to_8_3(base_name,mangled_name,
3958                                                 True,conn->params)) {
3959                                 reply_nterror(
3960                                         req,
3961                                         NT_STATUS_NO_MEMORY);
3962                         }
3963                         len = srvstr_push(dstart, req->flags2,
3964                                           pdata+4, mangled_name,
3965                                           PTR_DIFF(dend, pdata+4),
3966                                           STR_UNICODE);
3967                         data_size = 4 + len;
3968                         SIVAL(pdata,0,len);
3969                         break;
3970                 }
3971
3972                 case SMB_QUERY_FILE_NAME_INFO:
3973                         /*
3974                           this must be *exactly* right for ACLs on mapped drives to work
3975                          */
3976                         len = srvstr_push(dstart, req->flags2,
3977                                           pdata+4, dos_fname,
3978                                           PTR_DIFF(dend, pdata+4),
3979                                           STR_UNICODE);
3980                         DEBUG(10,("call_trans2qfilepathinfo: SMB_QUERY_FILE_NAME_INFO\n"));
3981                         data_size = 4 + len;
3982                         SIVAL(pdata,0,len);
3983                         break;
3984
3985                 case SMB_FILE_ALLOCATION_INFORMATION:
3986                 case SMB_QUERY_FILE_ALLOCATION_INFO:
3987                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ALLOCATION_INFORMATION\n"));
3988                         data_size = 8;
3989                         SOFF_T(pdata,0,allocation_size);
3990                         break;
3991
3992                 case SMB_FILE_END_OF_FILE_INFORMATION:
3993                 case SMB_QUERY_FILE_END_OF_FILEINFO:
3994                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_END_OF_FILE_INFORMATION\n"));
3995                         data_size = 8;
3996                         SOFF_T(pdata,0,file_size);
3997                         break;
3998
3999                 case SMB_QUERY_FILE_ALL_INFO:
4000                 case SMB_FILE_ALL_INFORMATION:
4001                 {
4002                         unsigned int ea_size = estimate_ea_size(conn, fsp, fname);
4003                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ALL_INFORMATION\n"));
4004                         put_long_date_timespec(pdata,create_time_ts);
4005                         put_long_date_timespec(pdata+8,atime_ts);
4006                         put_long_date_timespec(pdata+16,mtime_ts); /* write time */
4007                         put_long_date_timespec(pdata+24,mtime_ts); /* change time */
4008                         SIVAL(pdata,32,mode);
4009                         SIVAL(pdata,36,0); /* padding. */
4010                         pdata += 40;
4011                         SOFF_T(pdata,0,allocation_size);
4012                         SOFF_T(pdata,8,file_size);
4013                         SIVAL(pdata,16,nlink);
4014                         SCVAL(pdata,20,delete_pending);
4015                         SCVAL(pdata,21,(mode&aDIR)?1:0);
4016                         SSVAL(pdata,22,0);
4017                         pdata += 24;
4018                         SIVAL(pdata,0,ea_size);
4019                         pdata += 4; /* EA info */
4020                         len = srvstr_push(dstart, req->flags2,
4021                                           pdata+4, dos_fname,
4022                                           PTR_DIFF(dend, pdata+4),
4023                                           STR_UNICODE);
4024                         SIVAL(pdata,0,len);
4025                         pdata += 4 + len;
4026                         data_size = PTR_DIFF(pdata,(*ppdata));
4027                         break;
4028                 }
4029                 case SMB_FILE_INTERNAL_INFORMATION:
4030                         /* This should be an index number - looks like
4031                            dev/ino to me :-)
4032
4033                            I think this causes us to fail the IFSKIT
4034                            BasicFileInformationTest. -tpot */
4035
4036                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_INTERNAL_INFORMATION\n"));
4037                         SIVAL(pdata,0,sbuf.st_ino); /* FileIndexLow */
4038                         SIVAL(pdata,4,sbuf.st_dev); /* FileIndexHigh */
4039                         data_size = 8;
4040                         break;
4041
4042                 case SMB_FILE_ACCESS_INFORMATION:
4043                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ACCESS_INFORMATION\n"));
4044                         SIVAL(pdata,0,access_mask);
4045                         data_size = 4;
4046                         break;
4047
4048                 case SMB_FILE_NAME_INFORMATION:
4049                         /* Pathname with leading '\'. */
4050                         {
4051                                 size_t byte_len;
4052                                 byte_len = dos_PutUniCode(pdata+4,dos_fname,(size_t)max_data_bytes,False);
4053                                 DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_NAME_INFORMATION\n"));
4054                                 SIVAL(pdata,0,byte_len);
4055                                 data_size = 4 + byte_len;
4056                                 break;
4057                         }
4058
4059                 case SMB_FILE_DISPOSITION_INFORMATION:
4060                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_DISPOSITION_INFORMATION\n"));
4061                         data_size = 1;
4062                         SCVAL(pdata,0,delete_pending);
4063                         break;
4064
4065                 case SMB_FILE_POSITION_INFORMATION:
4066                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_POSITION_INFORMATION\n"));
4067                         data_size = 8;
4068                         SOFF_T(pdata,0,pos);
4069                         break;
4070
4071                 case SMB_FILE_MODE_INFORMATION:
4072                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_MODE_INFORMATION\n"));
4073                         SIVAL(pdata,0,mode);
4074                         data_size = 4;
4075                         break;
4076
4077                 case SMB_FILE_ALIGNMENT_INFORMATION:
4078                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ALIGNMENT_INFORMATION\n"));
4079                         SIVAL(pdata,0,0); /* No alignment needed. */
4080                         data_size = 4;
4081                         break;
4082
4083 #if 0
4084                 /*
4085                  * NT4 server just returns "invalid query" to this - if we try to answer
4086                  * it then NTws gets a BSOD! (tridge).
4087                  * W2K seems to want this. JRA.
4088                  */
4089                 case SMB_QUERY_FILE_STREAM_INFO:
4090 #endif
4091                 case SMB_FILE_STREAM_INFORMATION:
4092                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_STREAM_INFORMATION\n"));
4093                         if (mode & aDIR) {
4094                                 data_size = 0;
4095                         } else {
4096                                 size_t byte_len = dos_PutUniCode(pdata+24,"::$DATA", (size_t)0xE, False);
4097                                 SIVAL(pdata,0,0); /* ??? */
4098                                 SIVAL(pdata,4,byte_len); /* Byte length of unicode string ::$DATA */
4099                                 SOFF_T(pdata,8,file_size);
4100                                 SOFF_T(pdata,16,allocation_size);
4101                                 data_size = 24 + byte_len;
4102                         }
4103                         break;
4104
4105                 case SMB_QUERY_COMPRESSION_INFO:
4106                 case SMB_FILE_COMPRESSION_INFORMATION:
4107                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_COMPRESSION_INFORMATION\n"));
4108                         SOFF_T(pdata,0,file_size);
4109                         SIVAL(pdata,8,0); /* ??? */
4110                         SIVAL(pdata,12,0); /* ??? */
4111                         data_size = 16;
4112                         break;
4113
4114                 case SMB_FILE_NETWORK_OPEN_INFORMATION:
4115                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_NETWORK_OPEN_INFORMATION\n"));
4116                         put_long_date_timespec(pdata,create_time_ts);
4117                         put_long_date_timespec(pdata+8,atime_ts);
4118                         put_long_date_timespec(pdata+16,mtime_ts); /* write time */
4119                         put_long_date_timespec(pdata+24,mtime_ts); /* change time */
4120                         SOFF_T(pdata,32,allocation_size);
4121                         SOFF_T(pdata,40,file_size);
4122                         SIVAL(pdata,48,mode);
4123                         SIVAL(pdata,52,0); /* ??? */
4124                         data_size = 56;
4125                         break;
4126
4127                 case SMB_FILE_ATTRIBUTE_TAG_INFORMATION:
4128                         DEBUG(10,("call_trans2qfilepathinfo: SMB_FILE_ATTRIBUTE_TAG_INFORMATION\n"));
4129                         SIVAL(pdata,0,mode);
4130                         SIVAL(pdata,4,0);
4131                         data_size = 8;
4132                         break;
4133
4134                 /*
4135                  * CIFS UNIX Extensions.
4136                  */
4137
4138                 case SMB_QUERY_FILE_UNIX_BASIC:
4139
4140                         pdata = store_file_unix_basic(conn, pdata, fsp, &sbuf);
4141                         data_size = PTR_DIFF(pdata,(*ppdata));
4142
4143                         {
4144                                 int i;
4145                                 DEBUG(4,("call_trans2qfilepathinfo: SMB_QUERY_FILE_UNIX_BASIC "));
4146
4147                                 for (i=0; i<100; i++)
4148                                         DEBUG(4,("%d=%x, ",i, (*ppdata)[i]));
4149                                 DEBUG(4,("\n"));
4150                         }
4151
4152                         break;
4153
4154                 case SMB_QUERY_FILE_UNIX_INFO2:
4155
4156                         pdata = store_file_unix_basic_info2(conn, pdata, fsp, &sbuf);
4157                         data_size = PTR_DIFF(pdata,(*ppdata));
4158
4159                         {
4160                                 int i;
4161                                 DEBUG(4,("call_trans2qfilepathinfo: SMB_QUERY_FILE_UNIX_INFO2 "));
4162
4163                                 for (i=0; i<100; i++)
4164                                         DEBUG(4,("%d=%x, ",i, (*ppdata)[i]));
4165                                 DEBUG(4,("\n"));
4166                         }
4167
4168                         break;
4169
4170                 case SMB_QUERY_FILE_UNIX_LINK:
4171                         {
4172                                 char *buffer = TALLOC_ARRAY(ctx, char, 1024);
4173
4174                                 if (!buffer) {
4175                                         reply_nterror(req, NT_STATUS_NO_MEMORY);
4176                                         return;
4177                                 }
4178
4179                                 DEBUG(10,("call_trans2qfilepathinfo: SMB_QUERY_FILE_UNIX_LINK\n"));
4180 #ifdef S_ISLNK
4181                                 if(!S_ISLNK(sbuf.st_mode)) {
4182                                         reply_unixerror(req, ERRSRV,
4183                                                         ERRbadlink);
4184                                         return;
4185                                 }
4186 #else
4187                                 reply_unixerror(req, ERRDOS, ERRbadlink);
4188                                 return;
4189 #endif
4190                                 len = SMB_VFS_READLINK(conn,fullpathname,
4191                                                 buffer, 1023);
4192                                 if (len == -1) {
4193                                         reply_unixerror(req, ERRDOS,
4194                                                         ERRnoaccess);
4195                                         return;
4196                                 }
4197                                 buffer[len] = 0;
4198                                 len = srvstr_push(dstart, req->flags2,
4199                                                   pdata, buffer,
4200                                                   PTR_DIFF(dend, pdata),
4201                                                   STR_TERMINATE);
4202                                 pdata += len;
4203                                 data_size = PTR_DIFF(pdata,(*ppdata));
4204
4205                                 break;
4206                         }
4207
4208 #if defined(HAVE_POSIX_ACLS)
4209                 case SMB_QUERY_POSIX_ACL:
4210                         {
4211                                 SMB_ACL_T file_acl = NULL;
4212                                 SMB_ACL_T def_acl = NULL;
4213                                 uint16 num_file_acls = 0;
4214                                 uint16 num_def_acls = 0;
4215
4216                                 if (fsp && !fsp->is_directory && (fsp->fh->fd != -1)) {
4217                                         file_acl = SMB_VFS_SYS_ACL_GET_FD(fsp, fsp->fh->fd);
4218                                 } else {
4219                                         file_acl = SMB_VFS_SYS_ACL_GET_FILE(conn, fname, SMB_ACL_TYPE_ACCESS);
4220                                 }
4221
4222                                 if (file_acl == NULL && no_acl_syscall_error(errno)) {
4223                                         DEBUG(5,("call_trans2qfilepathinfo: ACLs not implemented on filesystem containing %s\n",
4224                                                 fname ));
4225                                         reply_nterror(
4226                                                 req,
4227                                                 NT_STATUS_NOT_IMPLEMENTED);
4228                                         return;
4229                                 }
4230
4231                                 if (S_ISDIR(sbuf.st_mode)) {
4232                                         if (fsp && fsp->is_directory) {
4233                                                 def_acl = SMB_VFS_SYS_ACL_GET_FILE(conn, fsp->fsp_name, SMB_ACL_TYPE_DEFAULT);
4234                                         } else {
4235                                                 def_acl = SMB_VFS_SYS_ACL_GET_FILE(conn, fname, SMB_ACL_TYPE_DEFAULT);
4236                                         }
4237                                         def_acl = free_empty_sys_acl(conn, def_acl);
4238                                 }
4239
4240                                 num_file_acls = count_acl_entries(conn, file_acl);
4241                                 num_def_acls = count_acl_entries(conn, def_acl);
4242
4243                                 if ( data_size < (num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE + SMB_POSIX_ACL_HEADER_SIZE) {
4244                                         DEBUG(5,("call_trans2qfilepathinfo: data_size too small (%u) need %u\n",
4245                                                 data_size,
4246                                                 (unsigned int)((num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE +
4247                                                         SMB_POSIX_ACL_HEADER_SIZE) ));
4248                                         if (file_acl) {
4249                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4250                                         }
4251                                         if (def_acl) {
4252                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4253                                         }
4254                                         reply_nterror(
4255                                                 req,
4256                                                 NT_STATUS_BUFFER_TOO_SMALL);
4257                                         return;
4258                                 }
4259
4260                                 SSVAL(pdata,0,SMB_POSIX_ACL_VERSION);
4261                                 SSVAL(pdata,2,num_file_acls);
4262                                 SSVAL(pdata,4,num_def_acls);
4263                                 if (!marshall_posix_acl(conn, pdata + SMB_POSIX_ACL_HEADER_SIZE, &sbuf, file_acl)) {
4264                                         if (file_acl) {
4265                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4266                                         }
4267                                         if (def_acl) {
4268                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4269                                         }
4270                                         reply_nterror(
4271                                                 req, NT_STATUS_INTERNAL_ERROR);
4272                                         return;
4273                                 }
4274                                 if (!marshall_posix_acl(conn, pdata + SMB_POSIX_ACL_HEADER_SIZE + (num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE), &sbuf, def_acl)) {
4275                                         if (file_acl) {
4276                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4277                                         }
4278                                         if (def_acl) {
4279                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4280                                         }
4281                                         reply_nterror(
4282                                                 req,
4283                                                 NT_STATUS_INTERNAL_ERROR);
4284                                         return;
4285                                 }
4286
4287                                 if (file_acl) {
4288                                         SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4289                                 }
4290                                 if (def_acl) {
4291                                         SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4292                                 }
4293                                 data_size = (num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE + SMB_POSIX_ACL_HEADER_SIZE;
4294                                 break;
4295                         }
4296 #endif
4297
4298
4299                 case SMB_QUERY_POSIX_LOCK:
4300                 {
4301                         NTSTATUS status = NT_STATUS_INVALID_LEVEL;
4302                         SMB_BIG_UINT count;
4303                         SMB_BIG_UINT offset;
4304                         uint32 lock_pid;
4305                         enum brl_type lock_type;
4306
4307                         if (total_data != POSIX_LOCK_DATA_SIZE) {
4308                                 reply_nterror(
4309                                         req, NT_STATUS_INVALID_PARAMETER);
4310                                 return;
4311                         }
4312
4313                         switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) {
4314                                 case POSIX_LOCK_TYPE_READ:
4315                                         lock_type = READ_LOCK;
4316                                         break;
4317                                 case POSIX_LOCK_TYPE_WRITE:
4318                                         lock_type = WRITE_LOCK;
4319                                         break;
4320                                 case POSIX_LOCK_TYPE_UNLOCK:
4321                                 default:
4322                                         /* There's no point in asking for an unlock... */
4323                                         reply_nterror(
4324                                                 req,
4325                                                 NT_STATUS_INVALID_PARAMETER);
4326                                         return;
4327                         }
4328
4329                         lock_pid = IVAL(pdata, POSIX_LOCK_PID_OFFSET);
4330 #if defined(HAVE_LONGLONG)
4331                         offset = (((SMB_BIG_UINT) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) |
4332                                         ((SMB_BIG_UINT) IVAL(pdata,POSIX_LOCK_START_OFFSET));
4333                         count = (((SMB_BIG_UINT) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) |
4334                                         ((SMB_BIG_UINT) IVAL(pdata,POSIX_LOCK_LEN_OFFSET));
4335 #else /* HAVE_LONGLONG */
4336                         offset = (SMB_BIG_UINT)IVAL(pdata,POSIX_LOCK_START_OFFSET);
4337                         count = (SMB_BIG_UINT)IVAL(pdata,POSIX_LOCK_LEN_OFFSET);
4338 #endif /* HAVE_LONGLONG */
4339
4340                         status = query_lock(fsp,
4341                                         &lock_pid,
4342                                         &count,
4343                                         &offset,
4344                                         &lock_type,
4345                                         POSIX_LOCK);
4346
4347                         if (ERROR_WAS_LOCK_DENIED(status)) {
4348                                 /* Here we need to report who has it locked... */
4349                                 data_size = POSIX_LOCK_DATA_SIZE;
4350
4351                                 SSVAL(pdata, POSIX_LOCK_TYPE_OFFSET, lock_type);
4352                                 SSVAL(pdata, POSIX_LOCK_FLAGS_OFFSET, 0);
4353                                 SIVAL(pdata, POSIX_LOCK_PID_OFFSET, lock_pid);
4354 #if defined(HAVE_LONGLONG)
4355                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET, (uint32)(offset & 0xFFFFFFFF));
4356                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET + 4, (uint32)((offset >> 32) & 0xFFFFFFFF));
4357                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET, (uint32)(count & 0xFFFFFFFF));
4358                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET + 4, (uint32)((count >> 32) & 0xFFFFFFFF));
4359 #else /* HAVE_LONGLONG */
4360                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET, offset);
4361                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET, count);
4362 #endif /* HAVE_LONGLONG */
4363
4364                         } else if (NT_STATUS_IS_OK(status)) {
4365                                 /* For success we just return a copy of what we sent
4366                                    with the lock type set to POSIX_LOCK_TYPE_UNLOCK. */
4367                                 data_size = POSIX_LOCK_DATA_SIZE;
4368                                 memcpy(pdata, lock_data, POSIX_LOCK_DATA_SIZE);
4369                                 SSVAL(pdata, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_UNLOCK);
4370                         } else {
4371                                 reply_nterror(req, status);
4372                                 return;
4373                         }
4374                         break;
4375                 }
4376
4377                 default:
4378                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
4379                         return;
4380         }
4381
4382         send_trans2_replies(req, params, param_size, *ppdata, data_size,
4383                             max_data_bytes);
4384
4385         return;
4386 }
4387
4388 /****************************************************************************
4389  Set a hard link (called by UNIX extensions and by NT rename with HARD link
4390  code.
4391 ****************************************************************************/
4392
4393 NTSTATUS hardlink_internals(TALLOC_CTX *ctx,
4394                 connection_struct *conn,
4395                 const char *oldname_in,
4396                 const char *newname_in)
4397 {
4398         SMB_STRUCT_STAT sbuf1, sbuf2;
4399         char *last_component_oldname = NULL;
4400         char *last_component_newname = NULL;
4401         char *oldname = NULL;
4402         char *newname = NULL;
4403         NTSTATUS status = NT_STATUS_OK;
4404
4405         ZERO_STRUCT(sbuf1);
4406         ZERO_STRUCT(sbuf2);
4407
4408         status = unix_convert(ctx, conn, oldname_in, False, &oldname,
4409                         &last_component_oldname, &sbuf1);
4410         if (!NT_STATUS_IS_OK(status)) {
4411                 return status;
4412         }
4413
4414         status = check_name(conn, oldname);
4415         if (!NT_STATUS_IS_OK(status)) {
4416                 return status;
4417         }
4418
4419         /* source must already exist. */
4420         if (!VALID_STAT(sbuf1)) {
4421                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4422         }
4423
4424         status = unix_convert(ctx, conn, newname_in, False, &newname,
4425                         &last_component_newname, &sbuf2);
4426         if (!NT_STATUS_IS_OK(status)) {
4427                 return status;
4428         }
4429
4430         status = check_name(conn, newname);
4431         if (!NT_STATUS_IS_OK(status)) {
4432                 return status;
4433         }
4434
4435         /* Disallow if newname already exists. */
4436         if (VALID_STAT(sbuf2)) {
4437                 return NT_STATUS_OBJECT_NAME_COLLISION;
4438         }
4439
4440         /* No links from a directory. */
4441         if (S_ISDIR(sbuf1.st_mode)) {
4442                 return NT_STATUS_FILE_IS_A_DIRECTORY;
4443         }
4444
4445         /* Ensure this is within the share. */
4446         status = check_reduced_name(conn, oldname);
4447         if (!NT_STATUS_IS_OK(status)) {
4448                 return status;
4449         }
4450
4451         DEBUG(10,("hardlink_internals: doing hard link %s -> %s\n", newname, oldname ));
4452
4453         if (SMB_VFS_LINK(conn,oldname,newname) != 0) {
4454                 status = map_nt_error_from_unix(errno);
4455                 DEBUG(3,("hardlink_internals: Error %s hard link %s -> %s\n",
4456                                 nt_errstr(status), newname, oldname));
4457         }
4458
4459         return status;
4460 }
4461
4462 /****************************************************************************
4463  Deal with setting the time from any of the setfilepathinfo functions.
4464 ****************************************************************************/
4465
4466 static NTSTATUS smb_set_file_time(connection_struct *conn,
4467                                 files_struct *fsp,
4468                                 const char *fname,
4469                                 const SMB_STRUCT_STAT *psbuf,
4470                                 struct timespec ts[2])
4471 {
4472         uint32 action =
4473                 FILE_NOTIFY_CHANGE_LAST_ACCESS
4474                 |FILE_NOTIFY_CHANGE_LAST_WRITE;
4475
4476
4477         if (!VALID_STAT(*psbuf)) {
4478                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4479         }
4480
4481         /* get some defaults (no modifications) if any info is zero or -1. */
4482         if (null_timespec(ts[0])) {
4483                 ts[0] = get_atimespec(psbuf);
4484                 action &= ~FILE_NOTIFY_CHANGE_LAST_ACCESS;
4485         }
4486
4487         if (null_timespec(ts[1])) {
4488                 ts[1] = get_mtimespec(psbuf);
4489                 action &= ~FILE_NOTIFY_CHANGE_LAST_WRITE;
4490         }
4491
4492         DEBUG(6,("smb_set_file_time: actime: %s " , time_to_asc(convert_timespec_to_time_t(ts[0])) ));
4493         DEBUG(6,("smb_set_file_time: modtime: %s ", time_to_asc(convert_timespec_to_time_t(ts[1])) ));
4494
4495         /*
4496          * Try and set the times of this file if
4497          * they are different from the current values.
4498          */
4499
4500         {
4501                 struct timespec mts = get_mtimespec(psbuf);
4502                 struct timespec ats = get_atimespec(psbuf);
4503                 if ((timespec_compare(&ts[0], &ats) == 0) && (timespec_compare(&ts[1], &mts) == 0)) {
4504                         return NT_STATUS_OK;
4505                 }
4506         }
4507
4508         if(fsp != NULL) {
4509                 /*
4510                  * This was a setfileinfo on an open file.
4511                  * NT does this a lot. We also need to
4512                  * set the time here, as it can be read by
4513                  * FindFirst/FindNext and with the patch for bug #2045
4514                  * in smbd/fileio.c it ensures that this timestamp is
4515                  * kept sticky even after a write. We save the request
4516                  * away and will set it on file close and after a write. JRA.
4517                  */
4518
4519                 if (!null_timespec(ts[1])) {
4520                         DEBUG(10,("smb_set_file_time: setting pending modtime to %s\n",
4521                                 time_to_asc(convert_timespec_to_time_t(ts[1])) ));
4522                         fsp_set_pending_modtime(fsp, ts[1]);
4523                 }
4524
4525         }
4526         DEBUG(10,("smb_set_file_time: setting utimes to modified values.\n"));
4527
4528         if(file_ntimes(conn, fname, ts)!=0) {
4529                 return map_nt_error_from_unix(errno);
4530         }
4531         if (action != 0) {
4532                 notify_fname(conn, NOTIFY_ACTION_MODIFIED, action, fname);
4533         }
4534         return NT_STATUS_OK;
4535 }
4536
4537 /****************************************************************************
4538  Deal with setting the dosmode from any of the setfilepathinfo functions.
4539 ****************************************************************************/
4540
4541 static NTSTATUS smb_set_file_dosmode(connection_struct *conn,
4542                                 const char *fname,
4543                                 SMB_STRUCT_STAT *psbuf,
4544                                 uint32 dosmode)
4545 {
4546         if (!VALID_STAT(*psbuf)) {
4547                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4548         }
4549
4550         if (dosmode) {
4551                 if (S_ISDIR(psbuf->st_mode)) {
4552                         dosmode |= aDIR;
4553                 } else {
4554                         dosmode &= ~aDIR;
4555                 }
4556         }
4557
4558         DEBUG(6,("smb_set_file_dosmode: dosmode: 0x%x\n", (unsigned int)dosmode));
4559
4560         /* check the mode isn't different, before changing it */
4561         if ((dosmode != 0) && (dosmode != dos_mode(conn, fname, psbuf))) {
4562
4563                 DEBUG(10,("smb_set_file_dosmode: file %s : setting dos mode 0x%x\n",
4564                                         fname, (unsigned int)dosmode ));
4565
4566                 if(file_set_dosmode(conn, fname, dosmode, psbuf, False)) {
4567                         DEBUG(2,("smb_set_file_dosmode: file_set_dosmode of %s failed (%s)\n",
4568                                                 fname, strerror(errno)));
4569                         return map_nt_error_from_unix(errno);
4570                 }
4571         }
4572         return NT_STATUS_OK;
4573 }
4574
4575 /****************************************************************************
4576  Deal with setting the size from any of the setfilepathinfo functions.
4577 ****************************************************************************/
4578
4579 static NTSTATUS smb_set_file_size(connection_struct *conn,
4580                                   struct smb_request *req,
4581                                 files_struct *fsp,
4582                                 const char *fname,
4583                                 SMB_STRUCT_STAT *psbuf,
4584                                 SMB_OFF_T size)
4585 {
4586         NTSTATUS status = NT_STATUS_OK;
4587         files_struct *new_fsp = NULL;
4588
4589         if (!VALID_STAT(*psbuf)) {
4590                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4591         }
4592
4593         DEBUG(6,("smb_set_file_size: size: %.0f ", (double)size));
4594
4595         if (size == get_file_size(*psbuf)) {
4596                 return NT_STATUS_OK;
4597         }
4598
4599         DEBUG(10,("smb_set_file_size: file %s : setting new size to %.0f\n",
4600                 fname, (double)size ));
4601
4602         if (fsp && fsp->fh->fd != -1) {
4603                 /* Handle based call. */
4604                 if (vfs_set_filelen(fsp, size) == -1) {
4605                         return map_nt_error_from_unix(errno);
4606                 }
4607                 return NT_STATUS_OK;
4608         }
4609
4610         status = open_file_ntcreate(conn, req, fname, psbuf,
4611                                 FILE_WRITE_DATA,
4612                                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
4613                                 FILE_OPEN,
4614                                 0,
4615                                 FILE_ATTRIBUTE_NORMAL,
4616                                 FORCE_OPLOCK_BREAK_TO_NONE,
4617                                 NULL, &new_fsp);
4618
4619         if (!NT_STATUS_IS_OK(status)) {
4620                 /* NB. We check for open_was_deferred in the caller. */
4621                 return status;
4622         }
4623
4624         if (vfs_set_filelen(new_fsp, size) == -1) {
4625                 status = map_nt_error_from_unix(errno);
4626                 close_file(new_fsp,NORMAL_CLOSE);
4627                 return status;
4628         }
4629
4630         close_file(new_fsp,NORMAL_CLOSE);
4631         return NT_STATUS_OK;
4632 }
4633
4634 /****************************************************************************
4635  Deal with SMB_INFO_SET_EA.
4636 ****************************************************************************/
4637
4638 static NTSTATUS smb_info_set_ea(connection_struct *conn,
4639                                 const char *pdata,
4640                                 int total_data,
4641                                 files_struct *fsp,
4642                                 const char *fname)
4643 {
4644         struct ea_list *ea_list = NULL;
4645         TALLOC_CTX *ctx = NULL;
4646         NTSTATUS status = NT_STATUS_OK;
4647
4648         if (total_data < 10) {
4649
4650                 /* OS/2 workplace shell seems to send SET_EA requests of "null"
4651                    length. They seem to have no effect. Bug #3212. JRA */
4652
4653                 if ((total_data == 4) && (IVAL(pdata,0) == 4)) {
4654                         /* We're done. We only get EA info in this call. */
4655                         return NT_STATUS_OK;
4656                 }
4657
4658                 return NT_STATUS_INVALID_PARAMETER;
4659         }
4660
4661         if (IVAL(pdata,0) > total_data) {
4662                 DEBUG(10,("smb_info_set_ea: bad total data size (%u) > %u\n",
4663                         IVAL(pdata,0), (unsigned int)total_data));
4664                 return NT_STATUS_INVALID_PARAMETER;
4665         }
4666
4667         ctx = talloc_init("SMB_INFO_SET_EA");
4668         if (!ctx) {
4669                 return NT_STATUS_NO_MEMORY;
4670         }
4671         ea_list = read_ea_list(ctx, pdata + 4, total_data - 4);
4672         if (!ea_list) {
4673                 talloc_destroy(ctx);
4674                 return NT_STATUS_INVALID_PARAMETER;
4675         }
4676         status = set_ea(conn, fsp, fname, ea_list);
4677         talloc_destroy(ctx);
4678
4679         return status;
4680 }
4681
4682 /****************************************************************************
4683  Deal with SMB_SET_FILE_DISPOSITION_INFO.
4684 ****************************************************************************/
4685
4686 static NTSTATUS smb_set_file_disposition_info(connection_struct *conn,
4687                                 const char *pdata,
4688                                 int total_data,
4689                                 files_struct *fsp,
4690                                 const char *fname,
4691                                 SMB_STRUCT_STAT *psbuf)
4692 {
4693         NTSTATUS status = NT_STATUS_OK;
4694         bool delete_on_close;
4695         uint32 dosmode = 0;
4696
4697         if (total_data < 1) {
4698                 return NT_STATUS_INVALID_PARAMETER;
4699         }
4700
4701         if (fsp == NULL) {
4702                 return NT_STATUS_INVALID_HANDLE;
4703         }
4704
4705         delete_on_close = (CVAL(pdata,0) ? True : False);
4706         dosmode = dos_mode(conn, fname, psbuf);
4707
4708         DEBUG(10,("smb_set_file_disposition_info: file %s, dosmode = %u, "
4709                 "delete_on_close = %u\n",
4710                 fsp->fsp_name,
4711                 (unsigned int)dosmode,
4712                 (unsigned int)delete_on_close ));
4713
4714         status = can_set_delete_on_close(fsp, delete_on_close, dosmode);
4715
4716         if (!NT_STATUS_IS_OK(status)) {
4717                 return status;
4718         }
4719
4720         /* The set is across all open files on this dev/inode pair. */
4721         if (!set_delete_on_close(fsp, delete_on_close, &current_user.ut)) {
4722                 return NT_STATUS_ACCESS_DENIED;
4723         }
4724         return NT_STATUS_OK;
4725 }
4726
4727 /****************************************************************************
4728  Deal with SMB_FILE_POSITION_INFORMATION.
4729 ****************************************************************************/
4730
4731 static NTSTATUS smb_file_position_information(connection_struct *conn,
4732                                 const char *pdata,
4733                                 int total_data,
4734                                 files_struct *fsp)
4735 {
4736         SMB_BIG_UINT position_information;
4737
4738         if (total_data < 8) {
4739                 return NT_STATUS_INVALID_PARAMETER;
4740         }
4741
4742         if (fsp == NULL) {
4743                 /* Ignore on pathname based set. */
4744                 return NT_STATUS_OK;
4745         }
4746
4747         position_information = (SMB_BIG_UINT)IVAL(pdata,0);
4748 #ifdef LARGE_SMB_OFF_T
4749         position_information |= (((SMB_BIG_UINT)IVAL(pdata,4)) << 32);
4750 #else /* LARGE_SMB_OFF_T */
4751         if (IVAL(pdata,4) != 0) {
4752                 /* more than 32 bits? */
4753                 return NT_STATUS_INVALID_PARAMETER;
4754         }
4755 #endif /* LARGE_SMB_OFF_T */
4756
4757         DEBUG(10,("smb_file_position_information: Set file position information for file %s to %.0f\n",
4758                 fsp->fsp_name, (double)position_information ));
4759         fsp->fh->position_information = position_information;
4760         return NT_STATUS_OK;
4761 }
4762
4763 /****************************************************************************
4764  Deal with SMB_FILE_MODE_INFORMATION.
4765 ****************************************************************************/
4766
4767 static NTSTATUS smb_file_mode_information(connection_struct *conn,
4768                                 const char *pdata,
4769                                 int total_data)
4770 {
4771         uint32 mode;
4772
4773         if (total_data < 4) {
4774                 return NT_STATUS_INVALID_PARAMETER;
4775         }
4776         mode = IVAL(pdata,0);
4777         if (mode != 0 && mode != 2 && mode != 4 && mode != 6) {
4778                 return NT_STATUS_INVALID_PARAMETER;
4779         }
4780         return NT_STATUS_OK;
4781 }
4782
4783 /****************************************************************************
4784  Deal with SMB_SET_FILE_UNIX_LINK (create a UNIX symlink).
4785 ****************************************************************************/
4786
4787 static NTSTATUS smb_set_file_unix_link(connection_struct *conn,
4788                                        struct smb_request *req,
4789                                        const char *pdata,
4790                                        int total_data,
4791                                        const char *fname)
4792 {
4793         char *link_target = NULL;
4794         const char *newname = fname;
4795         NTSTATUS status = NT_STATUS_OK;
4796         TALLOC_CTX *ctx = talloc_tos();
4797
4798         /* Set a symbolic link. */
4799         /* Don't allow this if follow links is false. */
4800
4801         if (total_data == 0) {
4802                 return NT_STATUS_INVALID_PARAMETER;
4803         }
4804
4805         if (!lp_symlinks(SNUM(conn))) {
4806                 return NT_STATUS_ACCESS_DENIED;
4807         }
4808
4809         srvstr_pull_talloc(ctx, pdata, req->flags2, &link_target, pdata,
4810                     total_data, STR_TERMINATE);
4811
4812         if (!link_target) {
4813                 return NT_STATUS_INVALID_PARAMETER;
4814         }
4815
4816         /* !widelinks forces the target path to be within the share. */
4817         /* This means we can interpret the target as a pathname. */
4818         if (!lp_widelinks(SNUM(conn))) {
4819                 char *rel_name = NULL;
4820                 char *last_dirp = NULL;
4821
4822                 if (*link_target == '/') {
4823                         /* No absolute paths allowed. */
4824                         return NT_STATUS_ACCESS_DENIED;
4825                 }
4826                 rel_name = talloc_strdup(ctx,newname);
4827                 if (!rel_name) {
4828                         return NT_STATUS_NO_MEMORY;
4829                 }
4830                 last_dirp = strrchr_m(rel_name, '/');
4831                 if (last_dirp) {
4832                         last_dirp[1] = '\0';
4833                 } else {
4834                         rel_name = talloc_strdup(ctx,"./");
4835                         if (!rel_name) {
4836                                 return NT_STATUS_NO_MEMORY;
4837                         }
4838                 }
4839                 rel_name = talloc_asprintf_append(rel_name,
4840                                 "%s",
4841                                 link_target);
4842                 if (!rel_name) {
4843                         return NT_STATUS_NO_MEMORY;
4844                 }
4845
4846                 status = check_name(conn, rel_name);
4847                 if (!NT_STATUS_IS_OK(status)) {
4848                         return status;
4849                 }
4850         }
4851
4852         DEBUG(10,("smb_set_file_unix_link: SMB_SET_FILE_UNIX_LINK doing symlink %s -> %s\n",
4853                         newname, link_target ));
4854
4855         if (SMB_VFS_SYMLINK(conn,link_target,newname) != 0) {
4856                 return map_nt_error_from_unix(errno);
4857         }
4858
4859         return NT_STATUS_OK;
4860 }
4861
4862 /****************************************************************************
4863  Deal with SMB_SET_FILE_UNIX_HLINK (create a UNIX hard link).
4864 ****************************************************************************/
4865
4866 static NTSTATUS smb_set_file_unix_hlink(connection_struct *conn,
4867                                         struct smb_request *req,
4868                                         const char *pdata, int total_data,
4869                                         const char *fname)
4870 {
4871         char *oldname = NULL;
4872         TALLOC_CTX *ctx = talloc_tos();
4873         NTSTATUS status = NT_STATUS_OK;
4874
4875         /* Set a hard link. */
4876         if (total_data == 0) {
4877                 return NT_STATUS_INVALID_PARAMETER;
4878         }
4879
4880         srvstr_get_path(ctx, pdata, req->flags2, &oldname, pdata,
4881                         total_data, STR_TERMINATE, &status);
4882         if (!NT_STATUS_IS_OK(status)) {
4883                 return status;
4884         }
4885
4886         status = resolve_dfspath(ctx, conn,
4887                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
4888                                 oldname,
4889                                 &oldname);
4890         if (!NT_STATUS_IS_OK(status)) {
4891                 return status;
4892         }
4893
4894         DEBUG(10,("smb_set_file_unix_hlink: SMB_SET_FILE_UNIX_LINK doing hard link %s -> %s\n",
4895                 fname, oldname));
4896
4897         return hardlink_internals(ctx, conn, oldname, fname);
4898 }
4899
4900 /****************************************************************************
4901  Deal with SMB_FILE_RENAME_INFORMATION.
4902 ****************************************************************************/
4903
4904 static NTSTATUS smb_file_rename_information(connection_struct *conn,
4905                                             struct smb_request *req,
4906                                             const char *pdata,
4907                                             int total_data,
4908                                             files_struct *fsp,
4909                                             const char *fname)
4910 {
4911         bool overwrite;
4912         uint32 root_fid;
4913         uint32 len;
4914         char *newname = NULL;
4915         char *base_name = NULL;
4916         bool dest_has_wcard = False;
4917         NTSTATUS status = NT_STATUS_OK;
4918         char *p;
4919         TALLOC_CTX *ctx = talloc_tos();
4920
4921         if (total_data < 13) {
4922                 return NT_STATUS_INVALID_PARAMETER;
4923         }
4924
4925         overwrite = (CVAL(pdata,0) ? True : False);
4926         root_fid = IVAL(pdata,4);
4927         len = IVAL(pdata,8);
4928
4929         if (len > (total_data - 12) || (len == 0) || (root_fid != 0)) {
4930                 return NT_STATUS_INVALID_PARAMETER;
4931         }
4932
4933         srvstr_get_path_wcard(ctx, pdata, req->flags2, &newname, &pdata[12],
4934                               len, 0, &status,
4935                               &dest_has_wcard);
4936         if (!NT_STATUS_IS_OK(status)) {
4937                 return status;
4938         }
4939
4940         DEBUG(10,("smb_file_rename_information: got name |%s|\n",
4941                                 newname));
4942
4943         status = resolve_dfspath_wcard(ctx, conn,
4944                                        req->flags2 & FLAGS2_DFS_PATHNAMES,
4945                                        newname,
4946                                        &newname,
4947                                        &dest_has_wcard);
4948         if (!NT_STATUS_IS_OK(status)) {
4949                 return status;
4950         }
4951
4952         /* Check the new name has no '/' characters. */
4953         if (strchr_m(newname, '/')) {
4954                 return NT_STATUS_NOT_SUPPORTED;
4955         }
4956
4957         /* Create the base directory. */
4958         base_name = talloc_strdup(ctx, fname);
4959         if (!base_name) {
4960                 return NT_STATUS_NO_MEMORY;
4961         }
4962         p = strrchr_m(base_name, '/');
4963         if (p) {
4964                 p[1] = '\0';
4965         } else {
4966                 base_name = talloc_strdup(ctx, "./");
4967                 if (!base_name) {
4968                         return NT_STATUS_NO_MEMORY;
4969                 }
4970         }
4971         /* Append the new name. */
4972         base_name = talloc_asprintf_append(base_name,
4973                         "%s",
4974                         newname);
4975         if (!base_name) {
4976                 return NT_STATUS_NO_MEMORY;
4977         }
4978
4979         if (fsp) {
4980                 SMB_STRUCT_STAT sbuf;
4981                 char *newname_last_component = NULL;
4982
4983                 ZERO_STRUCT(sbuf);
4984
4985                 status = unix_convert(ctx, conn, newname, False,
4986                                         &newname,
4987                                         &newname_last_component,
4988                                         &sbuf);
4989
4990                 /* If an error we expect this to be
4991                  * NT_STATUS_OBJECT_PATH_NOT_FOUND */
4992
4993                 if (!NT_STATUS_IS_OK(status)
4994                     && !NT_STATUS_EQUAL(NT_STATUS_OBJECT_PATH_NOT_FOUND,
4995                                         status)) {
4996                         return status;
4997                 }
4998
4999                 DEBUG(10,("smb_file_rename_information: SMB_FILE_RENAME_INFORMATION (fnum %d) %s -> %s\n",
5000                         fsp->fnum, fsp->fsp_name, base_name ));
5001                 status = rename_internals_fsp(conn, fsp, base_name,
5002                                               newname_last_component, 0,
5003                                               overwrite);
5004         } else {
5005                 DEBUG(10,("smb_file_rename_information: SMB_FILE_RENAME_INFORMATION %s -> %s\n",
5006                         fname, base_name ));
5007                 status = rename_internals(ctx, conn, req, fname, base_name, 0,
5008                                           overwrite, False, dest_has_wcard);
5009         }
5010
5011         return status;
5012 }
5013
5014 /****************************************************************************
5015  Deal with SMB_SET_POSIX_ACL.
5016 ****************************************************************************/
5017
5018 #if defined(HAVE_POSIX_ACLS)
5019 static NTSTATUS smb_set_posix_acl(connection_struct *conn,
5020                                 const char *pdata,
5021                                 int total_data,
5022                                 files_struct *fsp,
5023                                 const char *fname,
5024                                 SMB_STRUCT_STAT *psbuf)
5025 {
5026         uint16 posix_acl_version;
5027         uint16 num_file_acls;
5028         uint16 num_def_acls;
5029         bool valid_file_acls = True;
5030         bool valid_def_acls = True;
5031
5032         if (total_data < SMB_POSIX_ACL_HEADER_SIZE) {
5033                 return NT_STATUS_INVALID_PARAMETER;
5034         }
5035         posix_acl_version = SVAL(pdata,0);
5036         num_file_acls = SVAL(pdata,2);
5037         num_def_acls = SVAL(pdata,4);
5038
5039         if (num_file_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) {
5040                 valid_file_acls = False;
5041                 num_file_acls = 0;
5042         }
5043
5044         if (num_def_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) {
5045                 valid_def_acls = False;
5046                 num_def_acls = 0;
5047         }
5048
5049         if (posix_acl_version != SMB_POSIX_ACL_VERSION) {
5050                 return NT_STATUS_INVALID_PARAMETER;
5051         }
5052
5053         if (total_data < SMB_POSIX_ACL_HEADER_SIZE +
5054                         (num_file_acls+num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE) {
5055                 return NT_STATUS_INVALID_PARAMETER;
5056         }
5057
5058         DEBUG(10,("smb_set_posix_acl: file %s num_file_acls = %u, num_def_acls = %u\n",
5059                 fname ? fname : fsp->fsp_name,
5060                 (unsigned int)num_file_acls,
5061                 (unsigned int)num_def_acls));
5062
5063         if (valid_file_acls && !set_unix_posix_acl(conn, fsp, fname, num_file_acls,
5064                         pdata + SMB_POSIX_ACL_HEADER_SIZE)) {
5065                 return map_nt_error_from_unix(errno);
5066         }
5067
5068         if (valid_def_acls && !set_unix_posix_default_acl(conn, fname, psbuf, num_def_acls,
5069                         pdata + SMB_POSIX_ACL_HEADER_SIZE +
5070                         (num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE))) {
5071                 return map_nt_error_from_unix(errno);
5072         }
5073         return NT_STATUS_OK;
5074 }
5075 #endif
5076
5077 /****************************************************************************
5078  Deal with SMB_SET_POSIX_LOCK.
5079 ****************************************************************************/
5080
5081 static NTSTATUS smb_set_posix_lock(connection_struct *conn,
5082                                 const uint8 *inbuf,
5083                                 int length,
5084                                 const char *pdata,
5085                                 int total_data,
5086                                 files_struct *fsp)
5087 {
5088         SMB_BIG_UINT count;
5089         SMB_BIG_UINT offset;
5090         uint32 lock_pid;
5091         bool blocking_lock = False;
5092         enum brl_type lock_type;
5093         NTSTATUS status = NT_STATUS_OK;
5094
5095         if (fsp == NULL || fsp->fh->fd == -1) {
5096                 return NT_STATUS_INVALID_HANDLE;
5097         }
5098
5099         if (total_data != POSIX_LOCK_DATA_SIZE) {
5100                 return NT_STATUS_INVALID_PARAMETER;
5101         }
5102
5103         switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) {
5104                 case POSIX_LOCK_TYPE_READ:
5105                         lock_type = READ_LOCK;
5106                         break;
5107                 case POSIX_LOCK_TYPE_WRITE:
5108                         /* Return the right POSIX-mappable error code for files opened read-only. */
5109                         if (!fsp->can_write) {
5110                                 return NT_STATUS_INVALID_HANDLE;
5111                         }
5112                         lock_type = WRITE_LOCK;
5113                         break;
5114                 case POSIX_LOCK_TYPE_UNLOCK:
5115                         lock_type = UNLOCK_LOCK;
5116                         break;
5117                 default:
5118                         return NT_STATUS_INVALID_PARAMETER;
5119         }
5120
5121         if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_NOWAIT) {
5122                 blocking_lock = False;
5123         } else if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_WAIT) {
5124                 blocking_lock = True;
5125         } else {
5126                 return NT_STATUS_INVALID_PARAMETER;
5127         }
5128
5129         if (!lp_blocking_locks(SNUM(conn))) {
5130                 blocking_lock = False;
5131         }
5132
5133         lock_pid = IVAL(pdata, POSIX_LOCK_PID_OFFSET);
5134 #if defined(HAVE_LONGLONG)
5135         offset = (((SMB_BIG_UINT) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) |
5136                         ((SMB_BIG_UINT) IVAL(pdata,POSIX_LOCK_START_OFFSET));
5137         count = (((SMB_BIG_UINT) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) |
5138                         ((SMB_BIG_UINT) IVAL(pdata,POSIX_LOCK_LEN_OFFSET));
5139 #else /* HAVE_LONGLONG */
5140         offset = (SMB_BIG_UINT)IVAL(pdata,POSIX_LOCK_START_OFFSET);
5141         count = (SMB_BIG_UINT)IVAL(pdata,POSIX_LOCK_LEN_OFFSET);
5142 #endif /* HAVE_LONGLONG */
5143
5144         DEBUG(10,("smb_set_posix_lock: file %s, lock_type = %u,"
5145                         "lock_pid = %u, count = %.0f, offset = %.0f\n",
5146                 fsp->fsp_name,
5147                 (unsigned int)lock_type,
5148                 (unsigned int)lock_pid,
5149                 (double)count,
5150                 (double)offset ));
5151
5152         if (lock_type == UNLOCK_LOCK) {
5153                 status = do_unlock(smbd_messaging_context(),
5154                                 fsp,
5155                                 lock_pid,
5156                                 count,
5157                                 offset,
5158                                 POSIX_LOCK);
5159         } else {
5160                 uint32 block_smbpid;
5161
5162                 struct byte_range_lock *br_lck = do_lock(smbd_messaging_context(),
5163                                                         fsp,
5164                                                         lock_pid,
5165                                                         count,
5166                                                         offset,
5167                                                         lock_type,
5168                                                         POSIX_LOCK,
5169                                                         blocking_lock,
5170                                                         &status,
5171                                                         &block_smbpid);
5172
5173                 if (br_lck && blocking_lock && ERROR_WAS_LOCK_DENIED(status)) {
5174                         /*
5175                          * A blocking lock was requested. Package up
5176                          * this smb into a queued request and push it
5177                          * onto the blocking lock queue.
5178                          */
5179                         if(push_blocking_lock_request(br_lck,
5180                                                 (char *)inbuf, length,
5181                                                 fsp,
5182                                                 -1, /* infinite timeout. */
5183                                                 0,
5184                                                 lock_pid,
5185                                                 lock_type,
5186                                                 POSIX_LOCK,
5187                                                 offset,
5188                                                 count,
5189                                                 block_smbpid)) {
5190                                 TALLOC_FREE(br_lck);
5191                                 return status;
5192                         }
5193                 }
5194                 TALLOC_FREE(br_lck);
5195         }
5196
5197         return status;
5198 }
5199
5200 /****************************************************************************
5201  Deal with SMB_INFO_STANDARD.
5202 ****************************************************************************/
5203
5204 static NTSTATUS smb_set_info_standard(connection_struct *conn,
5205                                         const char *pdata,
5206                                         int total_data,
5207                                         files_struct *fsp,
5208                                         const char *fname,
5209                                         const SMB_STRUCT_STAT *psbuf)
5210 {
5211         struct timespec ts[2];
5212
5213         if (total_data < 12) {
5214                 return NT_STATUS_INVALID_PARAMETER;
5215         }
5216
5217         /* access time */
5218         ts[0] = convert_time_t_to_timespec(srv_make_unix_date2(pdata+l1_fdateLastAccess));
5219         /* write time */
5220         ts[1] = convert_time_t_to_timespec(srv_make_unix_date2(pdata+l1_fdateLastWrite));
5221
5222         DEBUG(10,("smb_set_info_standard: file %s\n",
5223                 fname ? fname : fsp->fsp_name ));
5224
5225         return smb_set_file_time(conn,
5226                                 fsp,
5227                                 fname,
5228                                 psbuf,
5229                                 ts);
5230 }
5231
5232 /****************************************************************************
5233  Deal with SMB_SET_FILE_BASIC_INFO.
5234 ****************************************************************************/
5235
5236 static NTSTATUS smb_set_file_basic_info(connection_struct *conn,
5237                                         const char *pdata,
5238                                         int total_data,
5239                                         files_struct *fsp,
5240                                         const char *fname,
5241                                         SMB_STRUCT_STAT *psbuf)
5242 {
5243         /* Patch to do this correctly from Paul Eggert <eggert@twinsun.com>. */
5244         struct timespec write_time;
5245         struct timespec changed_time;
5246         uint32 dosmode = 0;
5247         struct timespec ts[2];
5248         NTSTATUS status = NT_STATUS_OK;
5249
5250         if (total_data < 36) {
5251                 return NT_STATUS_INVALID_PARAMETER;
5252         }
5253
5254         /* Set the attributes */
5255         dosmode = IVAL(pdata,32);
5256         status = smb_set_file_dosmode(conn,
5257                                         fname,
5258                                         psbuf,
5259                                         dosmode);
5260         if (!NT_STATUS_IS_OK(status)) {
5261                 return status;
5262         }
5263
5264         /* Ignore create time at offset pdata. */
5265
5266         /* access time */
5267         ts[0] = interpret_long_date(pdata+8);
5268
5269         write_time = interpret_long_date(pdata+16);
5270         changed_time = interpret_long_date(pdata+24);
5271
5272         /* mtime */
5273         ts[1] = timespec_min(&write_time, &changed_time);
5274
5275         if ((timespec_compare(&write_time, &ts[1]) == 1) && !null_timespec(write_time)) {
5276                 ts[1] = write_time;
5277         }
5278
5279         /* Prefer a defined time to an undefined one. */
5280         if (null_timespec(ts[1])) {
5281                 ts[1] = null_timespec(write_time) ? changed_time : write_time;
5282         }
5283
5284         DEBUG(10,("smb_set_file_basic_info: file %s\n",
5285                 fname ? fname : fsp->fsp_name ));
5286
5287         return smb_set_file_time(conn,
5288                                 fsp,
5289                                 fname,
5290                                 psbuf,
5291                                 ts);
5292 }
5293
5294 /****************************************************************************
5295  Deal with SMB_SET_FILE_ALLOCATION_INFO.
5296 ****************************************************************************/
5297
5298 static NTSTATUS smb_set_file_allocation_info(connection_struct *conn,
5299                                              struct smb_request *req,
5300                                         const char *pdata,
5301                                         int total_data,
5302                                         files_struct *fsp,
5303                                         const char *fname,
5304                                         SMB_STRUCT_STAT *psbuf)
5305 {
5306         SMB_BIG_UINT allocation_size = 0;
5307         NTSTATUS status = NT_STATUS_OK;
5308         files_struct *new_fsp = NULL;
5309
5310         if (!VALID_STAT(*psbuf)) {
5311                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5312         }
5313
5314         if (total_data < 8) {
5315                 return NT_STATUS_INVALID_PARAMETER;
5316         }
5317
5318         allocation_size = (SMB_BIG_UINT)IVAL(pdata,0);
5319 #ifdef LARGE_SMB_OFF_T
5320         allocation_size |= (((SMB_BIG_UINT)IVAL(pdata,4)) << 32);
5321 #else /* LARGE_SMB_OFF_T */
5322         if (IVAL(pdata,4) != 0) {
5323                 /* more than 32 bits? */
5324                 return NT_STATUS_INVALID_PARAMETER;
5325         }
5326 #endif /* LARGE_SMB_OFF_T */
5327
5328         DEBUG(10,("smb_set_file_allocation_info: Set file allocation info for file %s to %.0f\n",
5329                         fname, (double)allocation_size ));
5330
5331         if (allocation_size) {
5332                 allocation_size = smb_roundup(conn, allocation_size);
5333         }
5334
5335         DEBUG(10,("smb_set_file_allocation_info: file %s : setting new allocation size to %.0f\n",
5336                         fname, (double)allocation_size ));
5337
5338         if (fsp && fsp->fh->fd != -1) {
5339                 /* Open file handle. */
5340                 /* Only change if needed. */
5341                 if (allocation_size != get_file_size(*psbuf)) {
5342                         if (vfs_allocate_file_space(fsp, allocation_size) == -1) {
5343                                 return map_nt_error_from_unix(errno);
5344                         }
5345                 }
5346                 /* But always update the time. */
5347                 if (null_timespec(fsp->pending_modtime)) {
5348                         /*
5349                          * This is equivalent to a write. Ensure it's seen immediately
5350                          * if there are no pending writes.
5351                          */
5352                         set_filetime(fsp->conn, fsp->fsp_name, timespec_current());
5353                 }
5354                 return NT_STATUS_OK;
5355         }
5356
5357         /* Pathname or stat or directory file. */
5358
5359         status = open_file_ntcreate(conn, req, fname, psbuf,
5360                                 FILE_WRITE_DATA,
5361                                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
5362                                 FILE_OPEN,
5363                                 0,
5364                                 FILE_ATTRIBUTE_NORMAL,
5365                                 FORCE_OPLOCK_BREAK_TO_NONE,
5366                                 NULL, &new_fsp);
5367
5368         if (!NT_STATUS_IS_OK(status)) {
5369                 /* NB. We check for open_was_deferred in the caller. */
5370                 return status;
5371         }
5372
5373         /* Only change if needed. */
5374         if (allocation_size != get_file_size(*psbuf)) {
5375                 if (vfs_allocate_file_space(new_fsp, allocation_size) == -1) {
5376                         status = map_nt_error_from_unix(errno);
5377                         close_file(new_fsp,NORMAL_CLOSE);
5378                         return status;
5379                 }
5380         }
5381
5382         /* Changing the allocation size should set the last mod time. */
5383         /* Don't need to call set_filetime as this will be flushed on
5384          * close. */
5385
5386         fsp_set_pending_modtime(new_fsp, timespec_current());
5387
5388         close_file(new_fsp,NORMAL_CLOSE);
5389         return NT_STATUS_OK;
5390 }
5391
5392 /****************************************************************************
5393  Deal with SMB_SET_FILE_END_OF_FILE_INFO.
5394 ****************************************************************************/
5395
5396 static NTSTATUS smb_set_file_end_of_file_info(connection_struct *conn,
5397                                               struct smb_request *req,
5398                                         const char *pdata,
5399                                         int total_data,
5400                                         files_struct *fsp,
5401                                         const char *fname,
5402                                         SMB_STRUCT_STAT *psbuf)
5403 {
5404         SMB_OFF_T size;
5405
5406         if (total_data < 8) {
5407                 return NT_STATUS_INVALID_PARAMETER;
5408         }
5409
5410         size = IVAL(pdata,0);
5411 #ifdef LARGE_SMB_OFF_T
5412         size |= (((SMB_OFF_T)IVAL(pdata,4)) << 32);
5413 #else /* LARGE_SMB_OFF_T */
5414         if (IVAL(pdata,4) != 0) {
5415                 /* more than 32 bits? */
5416                 return NT_STATUS_INVALID_PARAMETER;
5417         }
5418 #endif /* LARGE_SMB_OFF_T */
5419         DEBUG(10,("smb_set_file_end_of_file_info: Set end of file info for "
5420                 "file %s to %.0f\n", fname, (double)size ));
5421
5422         return smb_set_file_size(conn, req,
5423                                 fsp,
5424                                 fname,
5425                                 psbuf,
5426                                 size);
5427 }
5428
5429 /****************************************************************************
5430  Allow a UNIX info mknod.
5431 ****************************************************************************/
5432
5433 static NTSTATUS smb_unix_mknod(connection_struct *conn,
5434                                         const char *pdata,
5435                                         int total_data,
5436                                         const char *fname,
5437                                         SMB_STRUCT_STAT *psbuf)
5438 {
5439         uint32 file_type = IVAL(pdata,56);
5440 #if defined(HAVE_MAKEDEV)
5441         uint32 dev_major = IVAL(pdata,60);
5442         uint32 dev_minor = IVAL(pdata,68);
5443 #endif
5444         SMB_DEV_T dev = (SMB_DEV_T)0;
5445         uint32 raw_unixmode = IVAL(pdata,84);
5446         NTSTATUS status;
5447         mode_t unixmode;
5448
5449         if (total_data < 100) {
5450                 return NT_STATUS_INVALID_PARAMETER;
5451         }
5452
5453         status = unix_perms_from_wire(conn, psbuf, raw_unixmode, PERM_NEW_FILE, &unixmode);
5454         if (!NT_STATUS_IS_OK(status)) {
5455                 return status;
5456         }
5457
5458 #if defined(HAVE_MAKEDEV)
5459         dev = makedev(dev_major, dev_minor);
5460 #endif
5461
5462         switch (file_type) {
5463 #if defined(S_IFIFO)
5464                 case UNIX_TYPE_FIFO:
5465                         unixmode |= S_IFIFO;
5466                         break;
5467 #endif
5468 #if defined(S_IFSOCK)
5469                 case UNIX_TYPE_SOCKET:
5470                         unixmode |= S_IFSOCK;
5471                         break;
5472 #endif
5473 #if defined(S_IFCHR)
5474                 case UNIX_TYPE_CHARDEV:
5475                         unixmode |= S_IFCHR;
5476                         break;
5477 #endif
5478 #if defined(S_IFBLK)
5479                 case UNIX_TYPE_BLKDEV:
5480                         unixmode |= S_IFBLK;
5481                         break;
5482 #endif
5483                 default:
5484                         return NT_STATUS_INVALID_PARAMETER;
5485         }
5486
5487         DEBUG(10,("smb_unix_mknod: SMB_SET_FILE_UNIX_BASIC doing mknod dev %.0f mode \
5488 0%o for file %s\n", (double)dev, (unsigned int)unixmode, fname ));
5489
5490         /* Ok - do the mknod. */
5491         if (SMB_VFS_MKNOD(conn, fname, unixmode, dev) != 0) {
5492                 return map_nt_error_from_unix(errno);
5493         }
5494
5495         /* If any of the other "set" calls fail we
5496          * don't want to end up with a half-constructed mknod.
5497          */
5498
5499         if (lp_inherit_perms(SNUM(conn))) {
5500                 inherit_access_acl(
5501                         conn, parent_dirname(fname),
5502                         fname, unixmode);
5503         }
5504
5505         if (SMB_VFS_STAT(conn, fname, psbuf) != 0) {
5506                 status = map_nt_error_from_unix(errno);
5507                 SMB_VFS_UNLINK(conn,fname);
5508                 return status;
5509         }
5510         return NT_STATUS_OK;
5511 }
5512
5513 /****************************************************************************
5514  Deal with SMB_SET_FILE_UNIX_BASIC.
5515 ****************************************************************************/
5516
5517 static NTSTATUS smb_set_file_unix_basic(connection_struct *conn,
5518                                         struct smb_request *req,
5519                                         const char *pdata,
5520                                         int total_data,
5521                                         files_struct *fsp,
5522                                         const char *fname,
5523                                         SMB_STRUCT_STAT *psbuf)
5524 {
5525         struct timespec ts[2];
5526         uint32 raw_unixmode;
5527         mode_t unixmode;
5528         SMB_OFF_T size = 0;
5529         uid_t set_owner = (uid_t)SMB_UID_NO_CHANGE;
5530         gid_t set_grp = (uid_t)SMB_GID_NO_CHANGE;
5531         NTSTATUS status = NT_STATUS_OK;
5532         bool delete_on_fail = False;
5533         enum perm_type ptype;
5534
5535         if (total_data < 100) {
5536                 return NT_STATUS_INVALID_PARAMETER;
5537         }
5538
5539         if(IVAL(pdata, 0) != SMB_SIZE_NO_CHANGE_LO &&
5540            IVAL(pdata, 4) != SMB_SIZE_NO_CHANGE_HI) {
5541                 size=IVAL(pdata,0); /* first 8 Bytes are size */
5542 #ifdef LARGE_SMB_OFF_T
5543                 size |= (((SMB_OFF_T)IVAL(pdata,4)) << 32);
5544 #else /* LARGE_SMB_OFF_T */
5545                 if (IVAL(pdata,4) != 0) {
5546                         /* more than 32 bits? */
5547                         return NT_STATUS_INVALID_PARAMETER;
5548                 }
5549 #endif /* LARGE_SMB_OFF_T */
5550         }
5551
5552         ts[0] = interpret_long_date(pdata+24); /* access_time */
5553         ts[1] = interpret_long_date(pdata+32); /* modification_time */
5554         set_owner = (uid_t)IVAL(pdata,40);
5555         set_grp = (gid_t)IVAL(pdata,48);
5556         raw_unixmode = IVAL(pdata,84);
5557
5558         if (VALID_STAT(*psbuf)) {
5559                 if (S_ISDIR(psbuf->st_mode)) {
5560                         ptype = PERM_EXISTING_DIR;
5561                 } else {
5562                         ptype = PERM_EXISTING_FILE;
5563                 }
5564         } else {
5565                 ptype = PERM_NEW_FILE;
5566         }
5567
5568         status = unix_perms_from_wire(conn, psbuf, raw_unixmode, ptype, &unixmode);
5569         if (!NT_STATUS_IS_OK(status)) {
5570                 return status;
5571         }
5572
5573         DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC: name = %s \
5574 size = %.0f, uid = %u, gid = %u, raw perms = 0%o\n",
5575                 fname, (double)size, (unsigned int)set_owner, (unsigned int)set_grp, (int)raw_unixmode));
5576
5577         if (!VALID_STAT(*psbuf)) {
5578                 /*
5579                  * The only valid use of this is to create character and block
5580                  * devices, and named pipes. This is deprecated (IMHO) and
5581                  * a new info level should be used for mknod. JRA.
5582                  */
5583
5584                 status = smb_unix_mknod(conn,
5585                                         pdata,
5586                                         total_data,
5587                                         fname,
5588                                         psbuf);
5589                 if (!NT_STATUS_IS_OK(status)) {
5590                         return status;
5591                 }
5592
5593                 /* Ensure we don't try and change anything else. */
5594                 raw_unixmode = SMB_MODE_NO_CHANGE;
5595                 size = get_file_size(*psbuf);
5596                 ts[0] = get_atimespec(psbuf);
5597                 ts[1] = get_mtimespec(psbuf);
5598                 /*
5599                  * We continue here as we might want to change the
5600                  * owner uid/gid.
5601                  */
5602                 delete_on_fail = True;
5603         }
5604
5605 #if 1
5606         /* Horrible backwards compatibility hack as an old server bug
5607          * allowed a CIFS client bug to remain unnoticed :-(. JRA.
5608          * */
5609
5610         if (!size) {
5611                 size = get_file_size(*psbuf);
5612         }
5613 #endif
5614
5615         /*
5616          * Deal with the UNIX specific mode set.
5617          */
5618
5619         if (raw_unixmode != SMB_MODE_NO_CHANGE) {
5620                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC setting mode 0%o for file %s\n",
5621                         (unsigned int)unixmode, fname ));
5622                 if (SMB_VFS_CHMOD(conn, fname, unixmode) != 0) {
5623                         return map_nt_error_from_unix(errno);
5624                 }
5625         }
5626
5627         /*
5628          * Deal with the UNIX specific uid set.
5629          */
5630
5631         if ((set_owner != (uid_t)SMB_UID_NO_CHANGE) && (psbuf->st_uid != set_owner)) {
5632                 int ret;
5633
5634                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC changing owner %u for path %s\n",
5635                         (unsigned int)set_owner, fname ));
5636
5637                 if (S_ISLNK(psbuf->st_mode)) {
5638                         ret = SMB_VFS_LCHOWN(conn, fname, set_owner, (gid_t)-1);
5639                 } else {
5640                         ret = SMB_VFS_CHOWN(conn, fname, set_owner, (gid_t)-1);
5641                 }
5642
5643                 if (ret != 0) {
5644                         status = map_nt_error_from_unix(errno);
5645                         if (delete_on_fail) {
5646                                 SMB_VFS_UNLINK(conn,fname);
5647                         }
5648                         return status;
5649                 }
5650         }
5651
5652         /*
5653          * Deal with the UNIX specific gid set.
5654          */
5655
5656         if ((set_grp != (uid_t)SMB_GID_NO_CHANGE) && (psbuf->st_gid != set_grp)) {
5657                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC changing group %u for file %s\n",
5658                         (unsigned int)set_owner, fname ));
5659                 if (SMB_VFS_CHOWN(conn, fname, (uid_t)-1, set_grp) != 0) {
5660                         status = map_nt_error_from_unix(errno);
5661                         if (delete_on_fail) {
5662                                 SMB_VFS_UNLINK(conn,fname);
5663                         }
5664                         return status;
5665                 }
5666         }
5667
5668         /* Deal with any size changes. */
5669
5670         status = smb_set_file_size(conn, req,
5671                                 fsp,
5672                                 fname,
5673                                 psbuf,
5674                                 size);
5675         if (!NT_STATUS_IS_OK(status)) {
5676                 return status;
5677         }
5678
5679         /* Deal with any time changes. */
5680
5681         return smb_set_file_time(conn,
5682                                 fsp,
5683                                 fname,
5684                                 psbuf,
5685                                 ts);
5686 }
5687
5688 /****************************************************************************
5689  Deal with SMB_SET_FILE_UNIX_INFO2.
5690 ****************************************************************************/
5691
5692 static NTSTATUS smb_set_file_unix_info2(connection_struct *conn,
5693                                         struct smb_request *req,
5694                                         const char *pdata,
5695                                         int total_data,
5696                                         files_struct *fsp,
5697                                         const char *fname,
5698                                         SMB_STRUCT_STAT *psbuf)
5699 {
5700         NTSTATUS status;
5701         uint32 smb_fflags;
5702         uint32 smb_fmask;
5703
5704         if (total_data < 116) {
5705                 return NT_STATUS_INVALID_PARAMETER;
5706         }
5707
5708         /* Start by setting all the fields that are common between UNIX_BASIC
5709          * and UNIX_INFO2.
5710          */
5711         status = smb_set_file_unix_basic(conn, req, pdata, total_data,
5712                                 fsp, fname, psbuf);
5713         if (!NT_STATUS_IS_OK(status)) {
5714                 return status;
5715         }
5716
5717         smb_fflags = IVAL(pdata, 108);
5718         smb_fmask = IVAL(pdata, 112);
5719
5720         /* NB: We should only attempt to alter the file flags if the client
5721          * sends a non-zero mask.
5722          */
5723         if (smb_fmask != 0) {
5724                 int stat_fflags = 0;
5725
5726                 if (!map_info2_flags_to_sbuf(psbuf, smb_fflags, smb_fmask,
5727                             &stat_fflags)) {
5728                         /* Client asked to alter a flag we don't understand. */
5729                         return NT_STATUS_INVALID_PARAMETER;
5730                 }
5731
5732                 if (fsp && fsp->fh->fd != -1) {
5733                         /* XXX: we should be  using SMB_VFS_FCHFLAGS here. */
5734                         return NT_STATUS_NOT_SUPPORTED;
5735                 } else {
5736                         if (SMB_VFS_CHFLAGS(conn, fname, stat_fflags) != 0) {
5737                                 return map_nt_error_from_unix(errno);
5738                         }
5739                 }
5740         }
5741
5742         /* XXX: need to add support for changing the create_time here. You
5743          * can do this for paths on Darwin with setattrlist(2). The right way
5744          * to hook this up is probably by extending the VFS utimes interface.
5745          */
5746
5747         return NT_STATUS_OK;
5748 }
5749
5750 /****************************************************************************
5751  Create a directory with POSIX semantics.
5752 ****************************************************************************/
5753
5754 static NTSTATUS smb_posix_mkdir(connection_struct *conn,
5755                                 struct smb_request *req,
5756                                 char **ppdata,
5757                                 int total_data,
5758                                 const char *fname,
5759                                 SMB_STRUCT_STAT *psbuf,
5760                                 int *pdata_return_size)
5761 {
5762         NTSTATUS status = NT_STATUS_OK;
5763         uint32 raw_unixmode = 0;
5764         uint32 mod_unixmode = 0;
5765         mode_t unixmode = (mode_t)0;
5766         files_struct *fsp = NULL;
5767         uint16 info_level_return = 0;
5768         int info;
5769         char *pdata = *ppdata;
5770
5771         if (total_data < 18) {
5772                 return NT_STATUS_INVALID_PARAMETER;
5773         }
5774
5775         raw_unixmode = IVAL(pdata,8);
5776         /* Next 4 bytes are not yet defined. */
5777
5778         status = unix_perms_from_wire(conn, psbuf, raw_unixmode, PERM_NEW_DIR, &unixmode);
5779         if (!NT_STATUS_IS_OK(status)) {
5780                 return status;
5781         }
5782
5783         mod_unixmode = (uint32)unixmode | FILE_FLAG_POSIX_SEMANTICS;
5784
5785         DEBUG(10,("smb_posix_mkdir: file %s, mode 0%o\n",
5786                 fname, (unsigned int)unixmode ));
5787
5788         status = open_directory(conn, req,
5789                                 fname,
5790                                 psbuf,
5791                                 FILE_READ_ATTRIBUTES, /* Just a stat open */
5792                                 FILE_SHARE_NONE, /* Ignored for stat opens */
5793                                 FILE_CREATE,
5794                                 0,
5795                                 mod_unixmode,
5796                                 &info,
5797                                 &fsp);
5798
5799         if (NT_STATUS_IS_OK(status)) {
5800                 close_file(fsp, NORMAL_CLOSE);
5801         }
5802
5803         info_level_return = SVAL(pdata,16);
5804
5805         if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
5806                 *pdata_return_size = 12 + SMB_FILE_UNIX_BASIC_SIZE;
5807         } else if (info_level_return ==  SMB_QUERY_FILE_UNIX_INFO2) {
5808                 *pdata_return_size = 12 + SMB_FILE_UNIX_INFO2_SIZE;
5809         } else {
5810                 *pdata_return_size = 12;
5811         }
5812
5813         /* Realloc the data size */
5814         *ppdata = (char *)SMB_REALLOC(*ppdata,*pdata_return_size);
5815         if (*ppdata == NULL) {
5816                 *pdata_return_size = 0;
5817                 return NT_STATUS_NO_MEMORY;
5818         }
5819         pdata = *ppdata;
5820
5821         SSVAL(pdata,0,NO_OPLOCK_RETURN);
5822         SSVAL(pdata,2,0); /* No fnum. */
5823         SIVAL(pdata,4,info); /* Was directory created. */
5824
5825         switch (info_level_return) {
5826                 case SMB_QUERY_FILE_UNIX_BASIC:
5827                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_BASIC);
5828                         SSVAL(pdata,10,0); /* Padding. */
5829                         store_file_unix_basic(conn, pdata + 12, fsp, psbuf);
5830                         break;
5831                 case SMB_QUERY_FILE_UNIX_INFO2:
5832                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_INFO2);
5833                         SSVAL(pdata,10,0); /* Padding. */
5834                         store_file_unix_basic_info2(conn, pdata + 12, fsp, psbuf);
5835                         break;
5836                 default:
5837                         SSVAL(pdata,8,SMB_NO_INFO_LEVEL_RETURNED);
5838                         SSVAL(pdata,10,0); /* Padding. */
5839                         break;
5840         }
5841
5842         return status;
5843 }
5844
5845 /****************************************************************************
5846  Open/Create a file with POSIX semantics.
5847 ****************************************************************************/
5848
5849 static NTSTATUS smb_posix_open(connection_struct *conn,
5850                                struct smb_request *req,
5851                                 char **ppdata,
5852                                 int total_data,
5853                                 const char *fname,
5854                                 SMB_STRUCT_STAT *psbuf,
5855                                 int *pdata_return_size)
5856 {
5857         bool extended_oplock_granted = False;
5858         char *pdata = *ppdata;
5859         uint32 flags = 0;
5860         uint32 wire_open_mode = 0;
5861         uint32 raw_unixmode = 0;
5862         uint32 mod_unixmode = 0;
5863         uint32 create_disp = 0;
5864         uint32 access_mask = 0;
5865         uint32 create_options = 0;
5866         NTSTATUS status = NT_STATUS_OK;
5867         mode_t unixmode = (mode_t)0;
5868         files_struct *fsp = NULL;
5869         int oplock_request = 0;
5870         int info = 0;
5871         uint16 info_level_return = 0;
5872
5873         if (total_data < 18) {
5874                 return NT_STATUS_INVALID_PARAMETER;
5875         }
5876
5877         flags = IVAL(pdata,0);
5878         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
5879         if (oplock_request) {
5880                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
5881         }
5882
5883         wire_open_mode = IVAL(pdata,4);
5884
5885         if (wire_open_mode == (SMB_O_CREAT|SMB_O_DIRECTORY)) {
5886                 return smb_posix_mkdir(conn, req,
5887                                         ppdata,
5888                                         total_data,
5889                                         fname,
5890                                         psbuf,
5891                                         pdata_return_size);
5892         }
5893
5894         switch (wire_open_mode & SMB_ACCMODE) {
5895                 case SMB_O_RDONLY:
5896                         access_mask = FILE_READ_DATA;
5897                         break;
5898                 case SMB_O_WRONLY:
5899                         access_mask = FILE_WRITE_DATA;
5900                         break;
5901                 case SMB_O_RDWR:
5902                         access_mask = FILE_READ_DATA|FILE_WRITE_DATA;
5903                         break;
5904                 default:
5905                         DEBUG(5,("smb_posix_open: invalid open mode 0x%x\n",
5906                                 (unsigned int)wire_open_mode ));
5907                         return NT_STATUS_INVALID_PARAMETER;
5908         }
5909
5910         wire_open_mode &= ~SMB_ACCMODE;
5911
5912         if((wire_open_mode & (SMB_O_CREAT | SMB_O_EXCL)) == (SMB_O_CREAT | SMB_O_EXCL)) {
5913                 create_disp = FILE_CREATE;
5914         } else if((wire_open_mode & (SMB_O_CREAT | SMB_O_TRUNC)) == (SMB_O_CREAT | SMB_O_TRUNC)) {
5915                 create_disp = FILE_OVERWRITE_IF;
5916         } else if((wire_open_mode & SMB_O_CREAT) == SMB_O_CREAT) {
5917                 create_disp = FILE_OPEN_IF;
5918         } else {
5919                 DEBUG(5,("smb_posix_open: invalid create mode 0x%x\n",
5920                         (unsigned int)wire_open_mode ));
5921                 return NT_STATUS_INVALID_PARAMETER;
5922         }
5923
5924         raw_unixmode = IVAL(pdata,8);
5925         /* Next 4 bytes are not yet defined. */
5926
5927         status = unix_perms_from_wire(conn,
5928                                 psbuf,
5929                                 raw_unixmode,
5930                                 VALID_STAT(*psbuf) ? PERM_EXISTING_FILE : PERM_NEW_FILE,
5931                                 &unixmode);
5932
5933         if (!NT_STATUS_IS_OK(status)) {
5934                 return status;
5935         }
5936
5937         mod_unixmode = (uint32)unixmode | FILE_FLAG_POSIX_SEMANTICS;
5938
5939         if (wire_open_mode & SMB_O_SYNC) {
5940                 create_options |= FILE_WRITE_THROUGH;
5941         }
5942         if (wire_open_mode & SMB_O_APPEND) {
5943                 access_mask |= FILE_APPEND_DATA;
5944         }
5945         if (wire_open_mode & SMB_O_DIRECT) {
5946                 mod_unixmode |= FILE_FLAG_NO_BUFFERING;
5947         }
5948
5949         DEBUG(10,("smb_posix_open: file %s, smb_posix_flags = %u, mode 0%o\n",
5950                 fname,
5951                 (unsigned int)wire_open_mode,
5952                 (unsigned int)unixmode ));
5953
5954         status = open_file_ntcreate(conn, req,
5955                                 fname,
5956                                 psbuf,
5957                                 access_mask,
5958                                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
5959                                 create_disp,
5960                                 0,              /* no create options yet. */
5961                                 mod_unixmode,
5962                                 oplock_request,
5963                                 &info,
5964                                 &fsp);
5965
5966         if (!NT_STATUS_IS_OK(status)) {
5967                 return status;
5968         }
5969
5970         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
5971                 extended_oplock_granted = True;
5972         }
5973
5974         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
5975                 extended_oplock_granted = True;
5976         }
5977
5978         info_level_return = SVAL(pdata,16);
5979
5980         /* Allocate the correct return size. */
5981
5982         if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
5983                 *pdata_return_size = 12 + SMB_FILE_UNIX_BASIC_SIZE;
5984         } else if (info_level_return ==  SMB_QUERY_FILE_UNIX_INFO2) {
5985                 *pdata_return_size = 12 + SMB_FILE_UNIX_INFO2_SIZE;
5986         } else {
5987                 *pdata_return_size = 12;
5988         }
5989
5990         /* Realloc the data size */
5991         *ppdata = (char *)SMB_REALLOC(*ppdata,*pdata_return_size);
5992         if (*ppdata == NULL) {
5993                 close_file(fsp,ERROR_CLOSE);
5994                 *pdata_return_size = 0;
5995                 return NT_STATUS_NO_MEMORY;
5996         }
5997         pdata = *ppdata;
5998
5999         if (extended_oplock_granted) {
6000                 if (flags & REQUEST_BATCH_OPLOCK) {
6001                         SSVAL(pdata,0, BATCH_OPLOCK_RETURN);
6002                 } else {
6003                         SSVAL(pdata,0, EXCLUSIVE_OPLOCK_RETURN);
6004                 }
6005         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
6006                 SSVAL(pdata,0, LEVEL_II_OPLOCK_RETURN);
6007         } else {
6008                 SSVAL(pdata,0,NO_OPLOCK_RETURN);
6009         }
6010
6011         SSVAL(pdata,2,fsp->fnum);
6012         SIVAL(pdata,4,info); /* Was file created etc. */
6013
6014         switch (info_level_return) {
6015                 case SMB_QUERY_FILE_UNIX_BASIC:
6016                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_BASIC);
6017                         SSVAL(pdata,10,0); /* padding. */
6018                         store_file_unix_basic(conn, pdata + 12, fsp, psbuf);
6019                         break;
6020                 case SMB_QUERY_FILE_UNIX_INFO2:
6021                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_INFO2);
6022                         SSVAL(pdata,10,0); /* padding. */
6023                         store_file_unix_basic_info2(conn, pdata + 12, fsp, psbuf);
6024                         break;
6025                 default:
6026                         SSVAL(pdata,8,SMB_NO_INFO_LEVEL_RETURNED);
6027                         SSVAL(pdata,10,0); /* padding. */
6028                         break;
6029         }
6030         return NT_STATUS_OK;
6031 }
6032
6033 /****************************************************************************
6034  Delete a file with POSIX semantics.
6035 ****************************************************************************/
6036
6037 static NTSTATUS smb_posix_unlink(connection_struct *conn,
6038                                  struct smb_request *req,
6039                                 const char *pdata,
6040                                 int total_data,
6041                                 const char *fname,
6042                                 SMB_STRUCT_STAT *psbuf)
6043 {
6044         NTSTATUS status = NT_STATUS_OK;
6045         files_struct *fsp = NULL;
6046         uint16 flags = 0;
6047         char del = 1;
6048         int info = 0;
6049         int i;
6050         struct share_mode_lock *lck = NULL;
6051
6052         if (total_data < 2) {
6053                 return NT_STATUS_INVALID_PARAMETER;
6054         }
6055
6056         flags = SVAL(pdata,0);
6057
6058         if (!VALID_STAT(*psbuf)) {
6059                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
6060         }
6061
6062         if ((flags == SMB_POSIX_UNLINK_DIRECTORY_TARGET) &&
6063                         !VALID_STAT_OF_DIR(*psbuf)) {
6064                 return NT_STATUS_NOT_A_DIRECTORY;
6065         }
6066
6067         DEBUG(10,("smb_posix_unlink: %s %s\n",
6068                 (flags == SMB_POSIX_UNLINK_DIRECTORY_TARGET) ? "directory" : "file",
6069                 fname));
6070
6071         if (VALID_STAT_OF_DIR(*psbuf)) {
6072                 status = open_directory(conn, req,
6073                                         fname,
6074                                         psbuf,
6075                                         DELETE_ACCESS,
6076                                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
6077                                         FILE_OPEN,
6078                                         0,
6079                                         FILE_FLAG_POSIX_SEMANTICS|0777,
6080                                         &info,
6081                                         &fsp);
6082         } else {
6083
6084                 status = open_file_ntcreate(conn, req,
6085                                 fname,
6086                                 psbuf,
6087                                 DELETE_ACCESS,
6088                                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
6089                                 FILE_OPEN,
6090                                 0,
6091                                 FILE_FLAG_POSIX_SEMANTICS|0777,
6092                                 0, /* No oplock, but break existing ones. */
6093                                 &info,
6094                                 &fsp);
6095         }
6096
6097         if (!NT_STATUS_IS_OK(status)) {
6098                 return status;
6099         }
6100
6101         /*
6102          * Don't lie to client. If we can't really delete due to
6103          * non-POSIX opens return SHARING_VIOLATION.
6104          */
6105
6106         lck = get_share_mode_lock(NULL, fsp->file_id, NULL, NULL);
6107         if (lck == NULL) {
6108                 DEBUG(0, ("smb_posix_unlink: Could not get share mode "
6109                         "lock for file %s\n", fsp->fsp_name));
6110                 close_file(fsp, NORMAL_CLOSE);
6111                 return NT_STATUS_INVALID_PARAMETER;
6112         }
6113
6114         /*
6115          * See if others still have the file open. If this is the case, then
6116          * don't delete. If all opens are POSIX delete we can set the delete
6117          * on close disposition.
6118          */
6119         for (i=0; i<lck->num_share_modes; i++) {
6120                 struct share_mode_entry *e = &lck->share_modes[i];
6121                 if (is_valid_share_mode_entry(e)) {
6122                         if (e->flags & SHARE_MODE_FLAG_POSIX_OPEN) {
6123                                 continue;
6124                         }
6125                         /* Fail with sharing violation. */
6126                         close_file(fsp, NORMAL_CLOSE);
6127                         TALLOC_FREE(lck);
6128                         return NT_STATUS_SHARING_VIOLATION;
6129                 }
6130         }
6131
6132         /*
6133          * Set the delete on close.
6134          */
6135         status = smb_set_file_disposition_info(conn,
6136                                                 &del,
6137                                                 1,
6138                                                 fsp,
6139                                                 fname,
6140                                                 psbuf);
6141
6142         if (!NT_STATUS_IS_OK(status)) {
6143                 close_file(fsp, NORMAL_CLOSE);
6144                 TALLOC_FREE(lck);
6145                 return status;
6146         }
6147         TALLOC_FREE(lck);
6148         return close_file(fsp, NORMAL_CLOSE);
6149 }
6150
6151 /****************************************************************************
6152  Reply to a TRANS2_SETFILEINFO (set file info by fileid or pathname).
6153 ****************************************************************************/
6154
6155 static void call_trans2setfilepathinfo(connection_struct *conn,
6156                                        struct smb_request *req,
6157                                        unsigned int tran_call,
6158                                        char **pparams, int total_params,
6159                                        char **ppdata, int total_data,
6160                                        unsigned int max_data_bytes)
6161 {
6162         char *params = *pparams;
6163         char *pdata = *ppdata;
6164         uint16 info_level;
6165         SMB_STRUCT_STAT sbuf;
6166         char *fname = NULL;
6167         files_struct *fsp = NULL;
6168         NTSTATUS status = NT_STATUS_OK;
6169         int data_return_size = 0;
6170         TALLOC_CTX *ctx = talloc_tos();
6171
6172         if (!params) {
6173                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6174                 return;
6175         }
6176
6177         ZERO_STRUCT(sbuf);
6178
6179         if (tran_call == TRANSACT2_SETFILEINFO) {
6180                 if (total_params < 4) {
6181                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6182                         return;
6183                 }
6184
6185                 fsp = file_fsp(SVAL(params,0));
6186                 /* Basic check for non-null fsp. */
6187                 if (!check_fsp_open(conn, req, fsp, &current_user)) {
6188                         return;
6189                 }
6190                 info_level = SVAL(params,2);
6191
6192                 fname = talloc_strdup(talloc_tos(),fsp->fsp_name);
6193                 if (!fname) {
6194                         reply_nterror(req, NT_STATUS_NO_MEMORY);
6195                         return;
6196                 }
6197
6198                 if(fsp->is_directory || fsp->fh->fd == -1) {
6199                         /*
6200                          * This is actually a SETFILEINFO on a directory
6201                          * handle (returned from an NT SMB). NT5.0 seems
6202                          * to do this call. JRA.
6203                          */
6204                         if (INFO_LEVEL_IS_UNIX(info_level)) {
6205                                 /* Always do lstat for UNIX calls. */
6206                                 if (SMB_VFS_LSTAT(conn,fname,&sbuf)) {
6207                                         DEBUG(3,("call_trans2setfilepathinfo: SMB_VFS_LSTAT of %s failed (%s)\n",fname,strerror(errno)));
6208                                         reply_unixerror(req,ERRDOS,ERRbadpath);
6209                                         return;
6210                                 }
6211                         } else {
6212                                 if (SMB_VFS_STAT(conn,fname,&sbuf) != 0) {
6213                                         DEBUG(3,("call_trans2setfilepathinfo: fileinfo of %s failed (%s)\n",fname,strerror(errno)));
6214                                         reply_unixerror(req,ERRDOS,ERRbadpath);
6215                                         return;
6216                                 }
6217                         }
6218                 } else if (fsp->print_file) {
6219                         /*
6220                          * Doing a DELETE_ON_CLOSE should cancel a print job.
6221                          */
6222                         if ((info_level == SMB_SET_FILE_DISPOSITION_INFO) && CVAL(pdata,0)) {
6223                                 fsp->fh->private_options |= FILE_DELETE_ON_CLOSE;
6224
6225                                 DEBUG(3,("call_trans2setfilepathinfo: Cancelling print job (%s)\n", fsp->fsp_name ));
6226
6227                                 SSVAL(params,0,0);
6228                                 send_trans2_replies(req, params, 2,
6229                                                     *ppdata, 0,
6230                                                     max_data_bytes);
6231                                 return;
6232                         } else {
6233                                 reply_unixerror(req, ERRDOS, ERRbadpath);
6234                                 return;
6235                         }
6236                 } else {
6237                         /*
6238                          * Original code - this is an open file.
6239                          */
6240                         if (!check_fsp(conn, req, fsp, &current_user)) {
6241                                 return;
6242                         }
6243
6244                         if (SMB_VFS_FSTAT(fsp, fsp->fh->fd, &sbuf) != 0) {
6245                                 DEBUG(3,("call_trans2setfilepathinfo: fstat of fnum %d failed (%s)\n",fsp->fnum, strerror(errno)));
6246                                 reply_unixerror(req, ERRDOS, ERRbadfid);
6247                                 return;
6248                         }
6249                 }
6250         } else {
6251                 /* set path info */
6252                 if (total_params < 7) {
6253                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6254                         return;
6255                 }
6256
6257                 info_level = SVAL(params,0);
6258                 srvstr_get_path(ctx, params, req->flags2, &fname, &params[6],
6259                                 total_params - 6, STR_TERMINATE,
6260                                 &status);
6261                 if (!NT_STATUS_IS_OK(status)) {
6262                         reply_nterror(req, status);
6263                         return;
6264                 }
6265
6266                 status = resolve_dfspath(ctx, conn,
6267                                          req->flags2 & FLAGS2_DFS_PATHNAMES,
6268                                          fname,
6269                                          &fname);
6270                 if (!NT_STATUS_IS_OK(status)) {
6271                         if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
6272                                 reply_botherror(req,
6273                                                 NT_STATUS_PATH_NOT_COVERED,
6274                                                 ERRSRV, ERRbadpath);
6275                                 return;
6276                         }
6277                         reply_nterror(req, status);
6278                         return;
6279                 }
6280
6281                 status = unix_convert(ctx, conn, fname, False,
6282                                 &fname, NULL, &sbuf);
6283                 if (!NT_STATUS_IS_OK(status)) {
6284                         reply_nterror(req, status);
6285                         return;
6286                 }
6287
6288                 status = check_name(conn, fname);
6289                 if (!NT_STATUS_IS_OK(status)) {
6290                         reply_nterror(req, status);
6291                         return;
6292                 }
6293
6294                 if (INFO_LEVEL_IS_UNIX(info_level)) {
6295                         /*
6296                          * For CIFS UNIX extensions the target name may not exist.
6297                          */
6298
6299                         /* Always do lstat for UNIX calls. */
6300                         SMB_VFS_LSTAT(conn,fname,&sbuf);
6301
6302                 } else if (!VALID_STAT(sbuf) && SMB_VFS_STAT(conn,fname,&sbuf)) {
6303                         DEBUG(3,("call_trans2setfilepathinfo: SMB_VFS_STAT of %s failed (%s)\n",fname,strerror(errno)));
6304                         reply_unixerror(req, ERRDOS, ERRbadpath);
6305                         return;
6306                 }
6307         }
6308
6309         if (!CAN_WRITE(conn)) {
6310                 reply_doserror(req, ERRSRV, ERRaccess);
6311                 return;
6312         }
6313
6314         if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
6315                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6316                 return;
6317         }
6318
6319         DEBUG(3,("call_trans2setfilepathinfo(%d) %s (fnum %d) info_level=%d totdata=%d\n",
6320                 tran_call,fname, fsp ? fsp->fnum : -1, info_level,total_data));
6321
6322         /* Realloc the parameter size */
6323         *pparams = (char *)SMB_REALLOC(*pparams,2);
6324         if (*pparams == NULL) {
6325                 reply_nterror(req, NT_STATUS_NO_MEMORY);
6326                 return;
6327         }
6328         params = *pparams;
6329
6330         SSVAL(params,0,0);
6331
6332         if (fsp && !null_timespec(fsp->pending_modtime)) {
6333                 /* the pending modtime overrides the current modtime */
6334                 set_mtimespec(&sbuf, fsp->pending_modtime);
6335         }
6336
6337         switch (info_level) {
6338
6339                 case SMB_INFO_STANDARD:
6340                 {
6341                         status = smb_set_info_standard(conn,
6342                                         pdata,
6343                                         total_data,
6344                                         fsp,
6345                                         fname,
6346                                         &sbuf);
6347                         break;
6348                 }
6349
6350                 case SMB_INFO_SET_EA:
6351                 {
6352                         status = smb_info_set_ea(conn,
6353                                                 pdata,
6354                                                 total_data,
6355                                                 fsp,
6356                                                 fname);
6357                         break;
6358                 }
6359
6360                 case SMB_SET_FILE_BASIC_INFO:
6361                 case SMB_FILE_BASIC_INFORMATION:
6362                 {
6363                         status = smb_set_file_basic_info(conn,
6364                                                         pdata,
6365                                                         total_data,
6366                                                         fsp,
6367                                                         fname,
6368                                                         &sbuf);
6369                         break;
6370                 }
6371
6372                 case SMB_FILE_ALLOCATION_INFORMATION:
6373                 case SMB_SET_FILE_ALLOCATION_INFO:
6374                 {
6375                         status = smb_set_file_allocation_info(conn, req,
6376                                                                 pdata,
6377                                                                 total_data,
6378                                                                 fsp,
6379                                                                 fname,
6380                                                                 &sbuf);
6381                         break;
6382                 }
6383
6384                 case SMB_FILE_END_OF_FILE_INFORMATION:
6385                 case SMB_SET_FILE_END_OF_FILE_INFO:
6386                 {
6387                         status = smb_set_file_end_of_file_info(conn, req,
6388                                                                 pdata,
6389                                                                 total_data,
6390                                                                 fsp,
6391                                                                 fname,
6392                                                                 &sbuf);
6393                         break;
6394                 }
6395
6396                 case SMB_FILE_DISPOSITION_INFORMATION:
6397                 case SMB_SET_FILE_DISPOSITION_INFO: /* Set delete on close for open file. */
6398                 {
6399 #if 0
6400                         /* JRA - We used to just ignore this on a path ?
6401                          * Shouldn't this be invalid level on a pathname
6402                          * based call ?
6403                          */
6404                         if (tran_call != TRANSACT2_SETFILEINFO) {
6405                                 return ERROR_NT(NT_STATUS_INVALID_LEVEL);
6406                         }
6407 #endif
6408                         status = smb_set_file_disposition_info(conn,
6409                                                 pdata,
6410                                                 total_data,
6411                                                 fsp,
6412                                                 fname,
6413                                                 &sbuf);
6414                         break;
6415                 }
6416
6417                 case SMB_FILE_POSITION_INFORMATION:
6418                 {
6419                         status = smb_file_position_information(conn,
6420                                                 pdata,
6421                                                 total_data,
6422                                                 fsp);
6423                         break;
6424                 }
6425
6426                 /* From tridge Samba4 :
6427                  * MODE_INFORMATION in setfileinfo (I have no
6428                  * idea what "mode information" on a file is - it takes a value of 0,
6429                  * 2, 4 or 6. What could it be?).
6430                  */
6431
6432                 case SMB_FILE_MODE_INFORMATION:
6433                 {
6434                         status = smb_file_mode_information(conn,
6435                                                 pdata,
6436                                                 total_data);
6437                         break;
6438                 }
6439
6440                 /*
6441                  * CIFS UNIX extensions.
6442                  */
6443
6444                 case SMB_SET_FILE_UNIX_BASIC:
6445                 {
6446                         status = smb_set_file_unix_basic(conn, req,
6447                                                         pdata,
6448                                                         total_data,
6449                                                         fsp,
6450                                                         fname,
6451                                                         &sbuf);
6452                         break;
6453                 }
6454
6455                 case SMB_SET_FILE_UNIX_INFO2:
6456                 {
6457                         status = smb_set_file_unix_info2(conn, req,
6458                                                         pdata,
6459                                                         total_data,
6460                                                         fsp,
6461                                                         fname,
6462                                                         &sbuf);
6463                         break;
6464                 }
6465
6466                 case SMB_SET_FILE_UNIX_LINK:
6467                 {
6468                         if (tran_call != TRANSACT2_SETPATHINFO) {
6469                                 /* We must have a pathname for this. */
6470                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6471                                 return;
6472                         }
6473                         status = smb_set_file_unix_link(conn, req, pdata,
6474                                                         total_data, fname);
6475                         break;
6476                 }
6477
6478                 case SMB_SET_FILE_UNIX_HLINK:
6479                 {
6480                         if (tran_call != TRANSACT2_SETPATHINFO) {
6481                                 /* We must have a pathname for this. */
6482                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6483                                 return;
6484                         }
6485                         status = smb_set_file_unix_hlink(conn, req,
6486                                                          pdata, total_data,
6487                                                          fname);
6488                         break;
6489                 }
6490
6491                 case SMB_FILE_RENAME_INFORMATION:
6492                 {
6493                         status = smb_file_rename_information(conn, req,
6494                                                              pdata, total_data,
6495                                                              fsp, fname);
6496                         break;
6497                 }
6498
6499 #if defined(HAVE_POSIX_ACLS)
6500                 case SMB_SET_POSIX_ACL:
6501                 {
6502                         status = smb_set_posix_acl(conn,
6503                                                 pdata,
6504                                                 total_data,
6505                                                 fsp,
6506                                                 fname,
6507                                                 &sbuf);
6508                         break;
6509                 }
6510 #endif
6511
6512                 case SMB_SET_POSIX_LOCK:
6513                 {
6514                         if (tran_call != TRANSACT2_SETFILEINFO) {
6515                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6516                                 return;
6517                         }
6518                         status = smb_set_posix_lock(conn, req->inbuf,
6519                                                     smb_len(req->inbuf) + 4,
6520                                                     pdata, total_data, fsp);
6521                         break;
6522                 }
6523
6524                 case SMB_POSIX_PATH_OPEN:
6525                 {
6526                         if (tran_call != TRANSACT2_SETPATHINFO) {
6527                                 /* We must have a pathname for this. */
6528                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6529                                 return;
6530                         }
6531
6532                         status = smb_posix_open(conn, req,
6533                                                 ppdata,
6534                                                 total_data,
6535                                                 fname,
6536                                                 &sbuf,
6537                                                 &data_return_size);
6538                         break;
6539                 }
6540
6541                 case SMB_POSIX_PATH_UNLINK:
6542                 {
6543                         if (tran_call != TRANSACT2_SETPATHINFO) {
6544                                 /* We must have a pathname for this. */
6545                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6546                                 return;
6547                         }
6548
6549                         status = smb_posix_unlink(conn, req,
6550                                                 pdata,
6551                                                 total_data,
6552                                                 fname,
6553                                                 &sbuf);
6554                         break;
6555                 }
6556
6557                 default:
6558                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6559                         return;
6560         }
6561
6562
6563         if (!NT_STATUS_IS_OK(status)) {
6564                 if (open_was_deferred(req->mid)) {
6565                         /* We have re-scheduled this call. */
6566                         return;
6567                 }
6568                 if (blocking_lock_was_deferred(req->mid)) {
6569                         /* We have re-scheduled this call. */
6570                         return;
6571                 }
6572                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
6573                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
6574                                         ERRSRV, ERRbadpath);
6575                         return;
6576                 }
6577                 if (info_level == SMB_POSIX_PATH_OPEN) {
6578                         reply_openerror(req, status);
6579                         return;
6580                 }
6581
6582                 reply_nterror(req, status);
6583                 return;
6584         }
6585
6586         SSVAL(params,0,0);
6587         send_trans2_replies(req, params, 2, *ppdata, data_return_size,
6588                             max_data_bytes);
6589
6590         return;
6591 }
6592
6593 /****************************************************************************
6594  Reply to a TRANS2_MKDIR (make directory with extended attributes).
6595 ****************************************************************************/
6596
6597 static void call_trans2mkdir(connection_struct *conn, struct smb_request *req,
6598                              char **pparams, int total_params,
6599                              char **ppdata, int total_data,
6600                              unsigned int max_data_bytes)
6601 {
6602         char *params = *pparams;
6603         char *pdata = *ppdata;
6604         char *directory = NULL;
6605         SMB_STRUCT_STAT sbuf;
6606         NTSTATUS status = NT_STATUS_OK;
6607         struct ea_list *ea_list = NULL;
6608         TALLOC_CTX *ctx = talloc_tos();
6609
6610         if (!CAN_WRITE(conn)) {
6611                 reply_doserror(req, ERRSRV, ERRaccess);
6612                 return;
6613         }
6614
6615         if (total_params < 5) {
6616                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6617                 return;
6618         }
6619
6620         srvstr_get_path(ctx, params, req->flags2, &directory, &params[4],
6621                         total_params - 4, STR_TERMINATE,
6622                         &status);
6623         if (!NT_STATUS_IS_OK(status)) {
6624                 reply_nterror(req, status);
6625                 return;
6626         }
6627
6628         DEBUG(3,("call_trans2mkdir : name = %s\n", directory));
6629
6630         status = unix_convert(ctx, conn, directory, False, &directory, NULL, &sbuf);
6631         if (!NT_STATUS_IS_OK(status)) {
6632                 reply_nterror(req, status);
6633                 return;
6634         }
6635
6636         status = check_name(conn, directory);
6637         if (!NT_STATUS_IS_OK(status)) {
6638                 DEBUG(5,("call_trans2mkdir error (%s)\n", nt_errstr(status)));
6639                 reply_nterror(req, status);
6640                 return;
6641         }
6642
6643         /* Any data in this call is an EA list. */
6644         if (total_data && (total_data != 4) && !lp_ea_support(SNUM(conn))) {
6645                 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
6646                 return;
6647         }
6648
6649         /*
6650          * OS/2 workplace shell seems to send SET_EA requests of "null"
6651          * length (4 bytes containing IVAL 4).
6652          * They seem to have no effect. Bug #3212. JRA.
6653          */
6654
6655         if (total_data != 4) {
6656                 if (total_data < 10) {
6657                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6658                         return;
6659                 }
6660
6661                 if (IVAL(pdata,0) > total_data) {
6662                         DEBUG(10,("call_trans2mkdir: bad total data size (%u) > %u\n",
6663                                 IVAL(pdata,0), (unsigned int)total_data));
6664                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6665                         return;
6666                 }
6667
6668                 ea_list = read_ea_list(talloc_tos(), pdata + 4,
6669                                        total_data - 4);
6670                 if (!ea_list) {
6671                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6672                         return;
6673                 }
6674         } else if (IVAL(pdata,0) != 4) {
6675                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6676                 return;
6677         }
6678
6679         status = create_directory(conn, directory);
6680
6681         if (!NT_STATUS_IS_OK(status)) {
6682                 reply_nterror(req, status);
6683                 return;
6684         }
6685
6686         /* Try and set any given EA. */
6687         if (ea_list) {
6688                 status = set_ea(conn, NULL, directory, ea_list);
6689                 if (!NT_STATUS_IS_OK(status)) {
6690                         reply_nterror(req, status);
6691                         return;
6692                 }
6693         }
6694
6695         /* Realloc the parameter and data sizes */
6696         *pparams = (char *)SMB_REALLOC(*pparams,2);
6697         if(*pparams == NULL) {
6698                 reply_nterror(req, NT_STATUS_NO_MEMORY);
6699                 return;
6700         }
6701         params = *pparams;
6702
6703         SSVAL(params,0,0);
6704
6705         send_trans2_replies(req, params, 2, *ppdata, 0, max_data_bytes);
6706
6707         return;
6708 }
6709
6710 /****************************************************************************
6711  Reply to a TRANS2_FINDNOTIFYFIRST (start monitoring a directory for changes).
6712  We don't actually do this - we just send a null response.
6713 ****************************************************************************/
6714
6715 static void call_trans2findnotifyfirst(connection_struct *conn,
6716                                        struct smb_request *req,
6717                                        char **pparams, int total_params,
6718                                        char **ppdata, int total_data,
6719                                        unsigned int max_data_bytes)
6720 {
6721         static uint16 fnf_handle = 257;
6722         char *params = *pparams;
6723         uint16 info_level;
6724
6725         if (total_params < 6) {
6726                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6727                 return;
6728         }
6729
6730         info_level = SVAL(params,4);
6731         DEBUG(3,("call_trans2findnotifyfirst - info_level %d\n", info_level));
6732
6733         switch (info_level) {
6734                 case 1:
6735                 case 2:
6736                         break;
6737                 default:
6738                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
6739                         return;
6740         }
6741
6742         /* Realloc the parameter and data sizes */
6743         *pparams = (char *)SMB_REALLOC(*pparams,6);
6744         if (*pparams == NULL) {
6745                 reply_nterror(req, NT_STATUS_NO_MEMORY);
6746                 return;
6747         }
6748         params = *pparams;
6749
6750         SSVAL(params,0,fnf_handle);
6751         SSVAL(params,2,0); /* No changes */
6752         SSVAL(params,4,0); /* No EA errors */
6753
6754         fnf_handle++;
6755
6756         if(fnf_handle == 0)
6757                 fnf_handle = 257;
6758
6759         send_trans2_replies(req, params, 6, *ppdata, 0, max_data_bytes);
6760
6761         return;
6762 }
6763
6764 /****************************************************************************
6765  Reply to a TRANS2_FINDNOTIFYNEXT (continue monitoring a directory for
6766  changes). Currently this does nothing.
6767 ****************************************************************************/
6768
6769 static void call_trans2findnotifynext(connection_struct *conn,
6770                                       struct smb_request *req,
6771                                       char **pparams, int total_params,
6772                                       char **ppdata, int total_data,
6773                                       unsigned int max_data_bytes)
6774 {
6775         char *params = *pparams;
6776
6777         DEBUG(3,("call_trans2findnotifynext\n"));
6778
6779         /* Realloc the parameter and data sizes */
6780         *pparams = (char *)SMB_REALLOC(*pparams,4);
6781         if (*pparams == NULL) {
6782                 reply_nterror(req, NT_STATUS_NO_MEMORY);
6783                 return;
6784         }
6785         params = *pparams;
6786
6787         SSVAL(params,0,0); /* No changes */
6788         SSVAL(params,2,0); /* No EA errors */
6789
6790         send_trans2_replies(req, params, 4, *ppdata, 0, max_data_bytes);
6791
6792         return;
6793 }
6794
6795 /****************************************************************************
6796  Reply to a TRANS2_GET_DFS_REFERRAL - Shirish Kalele <kalele@veritas.com>.
6797 ****************************************************************************/
6798
6799 static void call_trans2getdfsreferral(connection_struct *conn,
6800                                       struct smb_request *req,
6801                                       char **pparams, int total_params,
6802                                       char **ppdata, int total_data,
6803                                       unsigned int max_data_bytes)
6804 {
6805         char *params = *pparams;
6806         char *pathname = NULL;
6807         int reply_size = 0;
6808         int max_referral_level;
6809         NTSTATUS status = NT_STATUS_OK;
6810         TALLOC_CTX *ctx = talloc_tos();
6811
6812         DEBUG(10,("call_trans2getdfsreferral\n"));
6813
6814         if (total_params < 3) {
6815                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6816                 return;
6817         }
6818
6819         max_referral_level = SVAL(params,0);
6820
6821         if(!lp_host_msdfs()) {
6822                 reply_doserror(req, ERRDOS, ERRbadfunc);
6823                 return;
6824         }
6825
6826         srvstr_pull_talloc(ctx, params, req->flags2, &pathname, &params[2],
6827                     total_params - 2, STR_TERMINATE);
6828         if (!pathname) {
6829                 reply_nterror(req, NT_STATUS_NOT_FOUND);
6830                 return;
6831         }
6832         if((reply_size = setup_dfs_referral(conn, pathname, max_referral_level,
6833                                             ppdata,&status)) < 0) {
6834                 reply_nterror(req, status);
6835                 return;
6836         }
6837
6838         SSVAL(req->inbuf, smb_flg2,
6839               SVAL(req->inbuf,smb_flg2) | FLAGS2_DFS_PATHNAMES);
6840         send_trans2_replies(req,0,0,*ppdata,reply_size, max_data_bytes);
6841
6842         return;
6843 }
6844
6845 #define LMCAT_SPL       0x53
6846 #define LMFUNC_GETJOBID 0x60
6847
6848 /****************************************************************************
6849  Reply to a TRANS2_IOCTL - used for OS/2 printing.
6850 ****************************************************************************/
6851
6852 static void call_trans2ioctl(connection_struct *conn,
6853                              struct smb_request *req,
6854                              char **pparams, int total_params,
6855                              char **ppdata, int total_data,
6856                              unsigned int max_data_bytes)
6857 {
6858         char *pdata = *ppdata;
6859         files_struct *fsp = file_fsp(SVAL(req->inbuf,smb_vwv15));
6860
6861         /* check for an invalid fid before proceeding */
6862
6863         if (!fsp) {
6864                 reply_doserror(req, ERRDOS, ERRbadfid);
6865                 return;
6866         }
6867
6868         if ((SVAL(req->inbuf,(smb_setup+4)) == LMCAT_SPL)
6869             && (SVAL(req->inbuf,(smb_setup+6)) == LMFUNC_GETJOBID)) {
6870                 *ppdata = (char *)SMB_REALLOC(*ppdata, 32);
6871                 if (*ppdata == NULL) {
6872                         reply_nterror(req, NT_STATUS_NO_MEMORY);
6873                         return;
6874                 }
6875                 pdata = *ppdata;
6876
6877                 /* NOTE - THIS IS ASCII ONLY AT THE MOMENT - NOT SURE IF OS/2
6878                         CAN ACCEPT THIS IN UNICODE. JRA. */
6879
6880                 SSVAL(pdata,0,fsp->rap_print_jobid);                     /* Job number */
6881                 srvstr_push(pdata, req->flags2, pdata + 2,
6882                             global_myname(), 15,
6883                             STR_ASCII|STR_TERMINATE); /* Our NetBIOS name */
6884                 srvstr_push(pdata, req->flags2, pdata+18,
6885                             lp_servicename(SNUM(conn)), 13,
6886                             STR_ASCII|STR_TERMINATE); /* Service name */
6887                 send_trans2_replies(req, *pparams, 0, *ppdata, 32,
6888                                     max_data_bytes);
6889                 return;
6890         }
6891
6892         DEBUG(2,("Unknown TRANS2_IOCTL\n"));
6893         reply_doserror(req, ERRSRV, ERRerror);
6894 }
6895
6896 /****************************************************************************
6897  Reply to a SMBfindclose (stop trans2 directory search).
6898 ****************************************************************************/
6899
6900 void reply_findclose(connection_struct *conn, struct smb_request *req)
6901 {
6902         int dptr_num;
6903
6904         START_PROFILE(SMBfindclose);
6905
6906         if (req->wct < 1) {
6907                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6908                 END_PROFILE(SMBfindclose);
6909                 return;
6910         }
6911
6912         dptr_num = SVALS(req->inbuf,smb_vwv0);
6913
6914         DEBUG(3,("reply_findclose, dptr_num = %d\n", dptr_num));
6915
6916         dptr_close(&dptr_num);
6917
6918         reply_outbuf(req, 0, 0);
6919
6920         DEBUG(3,("SMBfindclose dptr_num = %d\n", dptr_num));
6921
6922         END_PROFILE(SMBfindclose);
6923         return;
6924 }
6925
6926 /****************************************************************************
6927  Reply to a SMBfindnclose (stop FINDNOTIFYFIRST directory search).
6928 ****************************************************************************/
6929
6930 void reply_findnclose(connection_struct *conn, struct smb_request *req)
6931 {
6932         int dptr_num;
6933
6934         START_PROFILE(SMBfindnclose);
6935
6936         if (req->wct < 1) {
6937                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6938                 END_PROFILE(SMBfindnclose);
6939                 return;
6940         }
6941
6942         dptr_num = SVAL(req->inbuf,smb_vwv0);
6943
6944         DEBUG(3,("reply_findnclose, dptr_num = %d\n", dptr_num));
6945
6946         /* We never give out valid handles for a
6947            findnotifyfirst - so any dptr_num is ok here.
6948            Just ignore it. */
6949
6950         reply_outbuf(req, 0, 0);
6951
6952         DEBUG(3,("SMB_findnclose dptr_num = %d\n", dptr_num));
6953
6954         END_PROFILE(SMBfindnclose);
6955         return;
6956 }
6957
6958 static void handle_trans2(connection_struct *conn, struct smb_request *req,
6959                           struct trans_state *state)
6960 {
6961         if (Protocol >= PROTOCOL_NT1) {
6962                 req->flags2 |= 0x40; /* IS_LONG_NAME */
6963                 SSVAL(req->inbuf,smb_flg2,req->flags2);
6964         }
6965
6966         /* Now we must call the relevant TRANS2 function */
6967         switch(state->call)  {
6968         case TRANSACT2_OPEN:
6969         {
6970                 START_PROFILE(Trans2_open);
6971                 call_trans2open(conn, req,
6972                                 &state->param, state->total_param,
6973                                 &state->data, state->total_data,
6974                                 state->max_data_return);
6975                 END_PROFILE(Trans2_open);
6976                 break;
6977         }
6978
6979         case TRANSACT2_FINDFIRST:
6980         {
6981                 START_PROFILE(Trans2_findfirst);
6982                 call_trans2findfirst(conn, req,
6983                                      &state->param, state->total_param,
6984                                      &state->data, state->total_data,
6985                                      state->max_data_return);
6986                 END_PROFILE(Trans2_findfirst);
6987                 break;
6988         }
6989
6990         case TRANSACT2_FINDNEXT:
6991         {
6992                 START_PROFILE(Trans2_findnext);
6993                 call_trans2findnext(conn, req,
6994                                     &state->param, state->total_param,
6995                                     &state->data, state->total_data,
6996                                     state->max_data_return);
6997                 END_PROFILE(Trans2_findnext);
6998                 break;
6999         }
7000
7001         case TRANSACT2_QFSINFO:
7002         {
7003                 START_PROFILE(Trans2_qfsinfo);
7004                 call_trans2qfsinfo(conn, req,
7005                                    &state->param, state->total_param,
7006                                    &state->data, state->total_data,
7007                                    state->max_data_return);
7008                 END_PROFILE(Trans2_qfsinfo);
7009             break;
7010         }
7011
7012         case TRANSACT2_SETFSINFO:
7013         {
7014                 START_PROFILE(Trans2_setfsinfo);
7015                 call_trans2setfsinfo(conn, req,
7016                                      &state->param, state->total_param,
7017                                      &state->data, state->total_data,
7018                                      state->max_data_return);
7019                 END_PROFILE(Trans2_setfsinfo);
7020                 break;
7021         }
7022
7023         case TRANSACT2_QPATHINFO:
7024         case TRANSACT2_QFILEINFO:
7025         {
7026                 START_PROFILE(Trans2_qpathinfo);
7027                 call_trans2qfilepathinfo(conn, req, state->call,
7028                                          &state->param, state->total_param,
7029                                          &state->data, state->total_data,
7030                                          state->max_data_return);
7031                 END_PROFILE(Trans2_qpathinfo);
7032                 break;
7033         }
7034
7035         case TRANSACT2_SETPATHINFO:
7036         case TRANSACT2_SETFILEINFO:
7037         {
7038                 START_PROFILE(Trans2_setpathinfo);
7039                 call_trans2setfilepathinfo(conn, req, state->call,
7040                                            &state->param, state->total_param,
7041                                            &state->data, state->total_data,
7042                                            state->max_data_return);
7043                 END_PROFILE(Trans2_setpathinfo);
7044                 break;
7045         }
7046
7047         case TRANSACT2_FINDNOTIFYFIRST:
7048         {
7049                 START_PROFILE(Trans2_findnotifyfirst);
7050                 call_trans2findnotifyfirst(conn, req,
7051                                            &state->param, state->total_param,
7052                                            &state->data, state->total_data,
7053                                            state->max_data_return);
7054                 END_PROFILE(Trans2_findnotifyfirst);
7055                 break;
7056         }
7057
7058         case TRANSACT2_FINDNOTIFYNEXT:
7059         {
7060                 START_PROFILE(Trans2_findnotifynext);
7061                 call_trans2findnotifynext(conn, req,
7062                                           &state->param, state->total_param,
7063                                           &state->data, state->total_data,
7064                                           state->max_data_return);
7065                 END_PROFILE(Trans2_findnotifynext);
7066                 break;
7067         }
7068
7069         case TRANSACT2_MKDIR:
7070         {
7071                 START_PROFILE(Trans2_mkdir);
7072                 call_trans2mkdir(conn, req,
7073                                  &state->param, state->total_param,
7074                                  &state->data, state->total_data,
7075                                  state->max_data_return);
7076                 END_PROFILE(Trans2_mkdir);
7077                 break;
7078         }
7079
7080         case TRANSACT2_GET_DFS_REFERRAL:
7081         {
7082                 START_PROFILE(Trans2_get_dfs_referral);
7083                 call_trans2getdfsreferral(conn, req,
7084                                           &state->param, state->total_param,
7085                                           &state->data, state->total_data,
7086                                           state->max_data_return);
7087                 END_PROFILE(Trans2_get_dfs_referral);
7088                 break;
7089         }
7090
7091         case TRANSACT2_IOCTL:
7092         {
7093                 START_PROFILE(Trans2_ioctl);
7094                 call_trans2ioctl(conn, req,
7095                                  &state->param, state->total_param,
7096                                  &state->data, state->total_data,
7097                                  state->max_data_return);
7098                 END_PROFILE(Trans2_ioctl);
7099                 break;
7100         }
7101
7102         default:
7103                 /* Error in request */
7104                 DEBUG(2,("Unknown request %d in trans2 call\n", state->call));
7105                 reply_doserror(req, ERRSRV,ERRerror);
7106         }
7107 }
7108
7109 /****************************************************************************
7110  Reply to a SMBtrans2.
7111  ****************************************************************************/
7112
7113 void reply_trans2(connection_struct *conn, struct smb_request *req)
7114 {
7115         unsigned int dsoff;
7116         unsigned int dscnt;
7117         unsigned int psoff;
7118         unsigned int pscnt;
7119         unsigned int tran_call;
7120         int size;
7121         struct trans_state *state;
7122         NTSTATUS result;
7123
7124         START_PROFILE(SMBtrans2);
7125
7126         if (req->wct < 14) {
7127                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7128                 END_PROFILE(SMBtrans2);
7129                 return;
7130         }
7131
7132         dsoff = SVAL(req->inbuf, smb_dsoff);
7133         dscnt = SVAL(req->inbuf, smb_dscnt);
7134         psoff = SVAL(req->inbuf, smb_psoff);
7135         pscnt = SVAL(req->inbuf, smb_pscnt);
7136         tran_call = SVAL(req->inbuf, smb_setup0);
7137         size = smb_len(req->inbuf) + 4;
7138
7139         result = allow_new_trans(conn->pending_trans, req->mid);
7140         if (!NT_STATUS_IS_OK(result)) {
7141                 DEBUG(2, ("Got invalid trans2 request: %s\n",
7142                           nt_errstr(result)));
7143                 reply_nterror(req, result);
7144                 END_PROFILE(SMBtrans2);
7145                 return;
7146         }
7147
7148         if (IS_IPC(conn) && (tran_call != TRANSACT2_OPEN)
7149             && (tran_call != TRANSACT2_GET_DFS_REFERRAL)
7150             && (tran_call != TRANSACT2_QFILEINFO)) {
7151                 reply_doserror(req, ERRSRV, ERRaccess);
7152                 END_PROFILE(SMBtrans2);
7153                 return;
7154         }
7155
7156         if ((state = TALLOC_P(conn->mem_ctx, struct trans_state)) == NULL) {
7157                 DEBUG(0, ("talloc failed\n"));
7158                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7159                 END_PROFILE(SMBtrans2);
7160                 return;
7161         }
7162
7163         state->cmd = SMBtrans2;
7164
7165         state->mid = req->mid;
7166         state->vuid = req->vuid;
7167         state->setup_count = SVAL(req->inbuf, smb_suwcnt);
7168         state->setup = NULL;
7169         state->total_param = SVAL(req->inbuf, smb_tpscnt);
7170         state->param = NULL;
7171         state->total_data =  SVAL(req->inbuf, smb_tdscnt);
7172         state->data = NULL;
7173         state->max_param_return = SVAL(req->inbuf, smb_mprcnt);
7174         state->max_data_return  = SVAL(req->inbuf, smb_mdrcnt);
7175         state->max_setup_return = SVAL(req->inbuf, smb_msrcnt);
7176         state->close_on_completion = BITSETW(req->inbuf+smb_vwv5,0);
7177         state->one_way = BITSETW(req->inbuf+smb_vwv5,1);
7178
7179         state->call = tran_call;
7180
7181         /* All trans2 messages we handle have smb_sucnt == 1 - ensure this
7182            is so as a sanity check */
7183         if (state->setup_count != 1) {
7184                 /*
7185                  * Need to have rc=0 for ioctl to get job id for OS/2.
7186                  *  Network printing will fail if function is not successful.
7187                  *  Similar function in reply.c will be used if protocol
7188                  *  is LANMAN1.0 instead of LM1.2X002.
7189                  *  Until DosPrintSetJobInfo with PRJINFO3 is supported,
7190                  *  outbuf doesn't have to be set(only job id is used).
7191                  */
7192                 if ( (state->setup_count == 4)
7193                      && (tran_call == TRANSACT2_IOCTL)
7194                      && (SVAL(req->inbuf,(smb_setup+4)) == LMCAT_SPL)
7195                      && (SVAL(req->inbuf,(smb_setup+6)) == LMFUNC_GETJOBID)) {
7196                         DEBUG(2,("Got Trans2 DevIOctl jobid\n"));
7197                 } else {
7198                         DEBUG(2,("Invalid smb_sucnt in trans2 call(%u)\n",state->setup_count));
7199                         DEBUG(2,("Transaction is %d\n",tran_call));
7200                         TALLOC_FREE(state);
7201                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7202                         END_PROFILE(SMBtrans2);
7203                         return;
7204                 }
7205         }
7206
7207         if ((dscnt > state->total_data) || (pscnt > state->total_param))
7208                 goto bad_param;
7209
7210         if (state->total_data) {
7211                 /* Can't use talloc here, the core routines do realloc on the
7212                  * params and data. */
7213                 state->data = (char *)SMB_MALLOC(state->total_data);
7214                 if (state->data == NULL) {
7215                         DEBUG(0,("reply_trans2: data malloc fail for %u "
7216                                  "bytes !\n", (unsigned int)state->total_data));
7217                         TALLOC_FREE(state);
7218                         reply_nterror(req, NT_STATUS_NO_MEMORY);
7219                         END_PROFILE(SMBtrans2);
7220                         return;
7221                 }
7222                 if ((dsoff+dscnt < dsoff) || (dsoff+dscnt < dscnt))
7223                         goto bad_param;
7224                 if ((smb_base(req->inbuf)+dsoff+dscnt
7225                      > (char *)req->inbuf + size) ||
7226                     (smb_base(req->inbuf)+dsoff+dscnt < smb_base(req->inbuf)))
7227                         goto bad_param;
7228
7229                 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
7230         }
7231
7232         if (state->total_param) {
7233                 /* Can't use talloc here, the core routines do realloc on the
7234                  * params and data. */
7235                 state->param = (char *)SMB_MALLOC(state->total_param);
7236                 if (state->param == NULL) {
7237                         DEBUG(0,("reply_trans: param malloc fail for %u "
7238                                  "bytes !\n", (unsigned int)state->total_param));
7239                         SAFE_FREE(state->data);
7240                         TALLOC_FREE(state);
7241                         reply_nterror(req, NT_STATUS_NO_MEMORY);
7242                         END_PROFILE(SMBtrans2);
7243                         return;
7244                 }
7245                 if ((psoff+pscnt < psoff) || (psoff+pscnt < pscnt))
7246                         goto bad_param;
7247                 if ((smb_base(req->inbuf)+psoff+pscnt
7248                      > (char *)req->inbuf + size) ||
7249                     (smb_base(req->inbuf)+psoff+pscnt < smb_base(req->inbuf)))
7250                         goto bad_param;
7251
7252                 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
7253         }
7254
7255         state->received_data  = dscnt;
7256         state->received_param = pscnt;
7257
7258         if ((state->received_param == state->total_param) &&
7259             (state->received_data == state->total_data)) {
7260
7261                 handle_trans2(conn, req, state);
7262
7263                 SAFE_FREE(state->data);
7264                 SAFE_FREE(state->param);
7265                 TALLOC_FREE(state);
7266                 END_PROFILE(SMBtrans2);
7267                 return;
7268         }
7269
7270         DLIST_ADD(conn->pending_trans, state);
7271
7272         /* We need to send an interim response then receive the rest
7273            of the parameter/data bytes */
7274         reply_outbuf(req, 0, 0);
7275         show_msg((char *)req->outbuf);
7276         END_PROFILE(SMBtrans2);
7277         return;
7278
7279   bad_param:
7280
7281         DEBUG(0,("reply_trans2: invalid trans parameters\n"));
7282         SAFE_FREE(state->data);
7283         SAFE_FREE(state->param);
7284         TALLOC_FREE(state);
7285         END_PROFILE(SMBtrans2);
7286         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7287 }
7288
7289
7290 /****************************************************************************
7291  Reply to a SMBtranss2
7292  ****************************************************************************/
7293
7294 void reply_transs2(connection_struct *conn, struct smb_request *req)
7295 {
7296         unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
7297         struct trans_state *state;
7298         int size;
7299
7300         START_PROFILE(SMBtranss2);
7301
7302         show_msg((char *)req->inbuf);
7303
7304         if (req->wct < 8) {
7305                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7306                 END_PROFILE(SMBtranss2);
7307                 return;
7308         }
7309
7310         size = smb_len(req->inbuf)+4;
7311
7312         for (state = conn->pending_trans; state != NULL;
7313              state = state->next) {
7314                 if (state->mid == req->mid) {
7315                         break;
7316                 }
7317         }
7318
7319         if ((state == NULL) || (state->cmd != SMBtrans2)) {
7320                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7321                 END_PROFILE(SMBtranss2);
7322                 return;
7323         }
7324
7325         /* Revise state->total_param and state->total_data in case they have
7326            changed downwards */
7327
7328         if (SVAL(req->inbuf, smb_tpscnt) < state->total_param)
7329                 state->total_param = SVAL(req->inbuf, smb_tpscnt);
7330         if (SVAL(req->inbuf, smb_tdscnt) < state->total_data)
7331                 state->total_data = SVAL(req->inbuf, smb_tdscnt);
7332
7333         pcnt = SVAL(req->inbuf, smb_spscnt);
7334         poff = SVAL(req->inbuf, smb_spsoff);
7335         pdisp = SVAL(req->inbuf, smb_spsdisp);
7336
7337         dcnt = SVAL(req->inbuf, smb_sdscnt);
7338         doff = SVAL(req->inbuf, smb_sdsoff);
7339         ddisp = SVAL(req->inbuf, smb_sdsdisp);
7340
7341         state->received_param += pcnt;
7342         state->received_data += dcnt;
7343
7344         if ((state->received_data > state->total_data) ||
7345             (state->received_param > state->total_param))
7346                 goto bad_param;
7347
7348         if (pcnt) {
7349                 if (pdisp+pcnt > state->total_param)
7350                         goto bad_param;
7351                 if ((pdisp+pcnt < pdisp) || (pdisp+pcnt < pcnt))
7352                         goto bad_param;
7353                 if (pdisp > state->total_param)
7354                         goto bad_param;
7355                 if ((smb_base(req->inbuf) + poff + pcnt
7356                      > (char *)req->inbuf + size) ||
7357                     (smb_base(req->inbuf) + poff + pcnt < smb_base(req->inbuf)))
7358                         goto bad_param;
7359                 if (state->param + pdisp < state->param)
7360                         goto bad_param;
7361
7362                 memcpy(state->param+pdisp,smb_base(req->inbuf)+poff,
7363                        pcnt);
7364         }
7365
7366         if (dcnt) {
7367                 if (ddisp+dcnt > state->total_data)
7368                         goto bad_param;
7369                 if ((ddisp+dcnt < ddisp) || (ddisp+dcnt < dcnt))
7370                         goto bad_param;
7371                 if (ddisp > state->total_data)
7372                         goto bad_param;
7373                 if ((smb_base(req->inbuf) + doff + dcnt
7374                      > (char *)req->inbuf + size) ||
7375                     (smb_base(req->inbuf) + doff + dcnt < smb_base(req->inbuf)))
7376                         goto bad_param;
7377                 if (state->data + ddisp < state->data)
7378                         goto bad_param;
7379
7380                 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,
7381                        dcnt);
7382         }
7383
7384         if ((state->received_param < state->total_param) ||
7385             (state->received_data < state->total_data)) {
7386                 END_PROFILE(SMBtranss2);
7387                 return;
7388         }
7389
7390         /*
7391          * construct_reply_common will copy smb_com from inbuf to
7392          * outbuf. SMBtranss2 is wrong here.
7393          */
7394         SCVAL(req->inbuf,smb_com,SMBtrans2);
7395
7396         handle_trans2(conn, req, state);
7397
7398         DLIST_REMOVE(conn->pending_trans, state);
7399         SAFE_FREE(state->data);
7400         SAFE_FREE(state->param);
7401         TALLOC_FREE(state);
7402
7403         END_PROFILE(SMBtranss2);
7404         return;
7405
7406   bad_param:
7407
7408         DEBUG(0,("reply_transs2: invalid trans parameters\n"));
7409         DLIST_REMOVE(conn->pending_trans, state);
7410         SAFE_FREE(state->data);
7411         SAFE_FREE(state->param);
7412         TALLOC_FREE(state);
7413         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7414         END_PROFILE(SMBtranss2);
7415         return;
7416 }