source/smbd/nttrans.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    SMB NT transaction handling
   4    Copyright (C) Jeremy Allison                 1994-2007
   5    Copyright (C) Stefan (metze) Metzmacher      2003
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include "includes.h"
  22
  23 extern int max_send;
  24 extern enum protocol_types Protocol;
  25 extern struct current_user current_user;
  26
  27 static const char *known_nt_pipes[] = {
  28         "\\LANMAN",
  29         "\\srvsvc",
  30         "\\samr",
  31         "\\wkssvc",
  32         "\\NETLOGON",
  33         "\\ntlsa",
  34         "\\ntsvcs",
  35         "\\lsass",
  36         "\\lsarpc",
  37         "\\winreg",
  38         "\\initshutdown",
  39         "\\spoolss",
  40         "\\netdfs",
  41         "\\rpcecho",
  42         "\\svcctl",
  43         "\\eventlog",
  44         "\\unixinfo",
  45         NULL
  46 };
  47
  48 static char *nttrans_realloc(char **ptr, size_t size)
  49 {
  50         if (ptr==NULL) {
  51                 smb_panic("nttrans_realloc() called with NULL ptr");
  52         }
  53
  54         *ptr = (char *)SMB_REALLOC(*ptr, size);
  55         if(*ptr == NULL) {
  56                 return NULL;
  57         }
  58         memset(*ptr,'\0',size);
  59         return *ptr;
  60 }
  61
  62 /****************************************************************************
  63  Send the required number of replies back.
  64  We assume all fields other than the data fields are
  65  set correctly for the type of call.
  66  HACK ! Always assumes smb_setup field is zero.
  67 ****************************************************************************/
  68
  69 void send_nt_replies(struct smb_request *req, NTSTATUS nt_error,
  70                      char *params, int paramsize,
  71                      char *pdata, int datasize)
  72 {
  73         int data_to_send = datasize;
  74         int params_to_send = paramsize;
  75         int useable_space;
  76         char *pp = params;
  77         char *pd = pdata;
  78         int params_sent_thistime, data_sent_thistime, total_sent_thistime;
  79         int alignment_offset = 3;
  80         int data_alignment_offset = 0;
  81
  82         /*
  83          * If there genuinely are no parameters or data to send just send
  84          * the empty packet.
  85          */
  86
  87         if(params_to_send == 0 && data_to_send == 0) {
  88                 reply_outbuf(req, 18, 0);
  89                 show_msg((char *)req->outbuf);
  90                 return;
  91         }
  92
  93         /*
  94          * When sending params and data ensure that both are nicely aligned.
  95          * Only do this alignment when there is also data to send - else
  96          * can cause NT redirector problems.
  97          */
  98
  99         if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
 100                 data_alignment_offset = 4 - (params_to_send % 4);
 101         }
 102
 103         /*
 104          * Space is bufsize minus Netbios over TCP header minus SMB header.
 105          * The alignment_offset is to align the param bytes on a four byte
 106          * boundary (2 bytes for data len, one byte pad).
 107          * NT needs this to work correctly.
 108          */
 109
 110         useable_space = max_send - (smb_size
 111                                     + 2 * 18 /* wct */
 112                                     + alignment_offset
 113                                     + data_alignment_offset);
 114
 115         /*
 116          * useable_space can never be more than max_send minus the
 117          * alignment offset.
 118          */
 119
 120         useable_space = MIN(useable_space,
 121                                 max_send - (alignment_offset+data_alignment_offset));
 122
 123
 124         while (params_to_send || data_to_send) {
 125
 126                 /*
 127                  * Calculate whether we will totally or partially fill this packet.
 128                  */
 129
 130                 total_sent_thistime = params_to_send + data_to_send +
 131                                         alignment_offset + data_alignment_offset;
 132
 133                 /*
 134                  * We can never send more than useable_space.
 135                  */
 136
 137                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
 138
 139                 reply_outbuf(req, 18, total_sent_thistime);
 140
 141                 /*
 142                  * Set total params and data to be sent.
 143                  */
 144
 145                 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
 146                 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
 147
 148                 /*
 149                  * Calculate how many parameters and data we can fit into
 150                  * this packet. Parameters get precedence.
 151                  */
 152
 153                 params_sent_thistime = MIN(params_to_send,useable_space);
 154                 data_sent_thistime = useable_space - params_sent_thistime;
 155                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
 156
 157                 SIVAL(req->outbuf, smb_ntr_ParameterCount,
 158                       params_sent_thistime);
 159
 160                 if(params_sent_thistime == 0) {
 161                         SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
 162                         SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
 163                 } else {
 164                         /*
 165                          * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
 166                          * parameter bytes, however the first 4 bytes of outbuf are
 167                          * the Netbios over TCP header. Thus use smb_base() to subtract
 168                          * them from the calculation.
 169                          */
 170
 171                         SIVAL(req->outbuf,smb_ntr_ParameterOffset,
 172                               ((smb_buf(req->outbuf)+alignment_offset)
 173                                - smb_base(req->outbuf)));
 174                         /*
 175                          * Absolute displacement of param bytes sent in this packet.
 176                          */
 177
 178                         SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
 179                               pp - params);
 180                 }
 181
 182                 /*
 183                  * Deal with the data portion.
 184                  */
 185
 186                 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
 187
 188                 if(data_sent_thistime == 0) {
 189                         SIVAL(req->outbuf,smb_ntr_DataOffset,0);
 190                         SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
 191                 } else {
 192                         /*
 193                          * The offset of the data bytes is the offset of the
 194                          * parameter bytes plus the number of parameters being sent this time.
 195                          */
 196
 197                         SIVAL(req->outbuf, smb_ntr_DataOffset,
 198                               ((smb_buf(req->outbuf)+alignment_offset) -
 199                                smb_base(req->outbuf))
 200                               + params_sent_thistime + data_alignment_offset);
 201                         SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
 202                 }
 203
 204                 /*
 205                  * Copy the param bytes into the packet.
 206                  */
 207
 208                 if(params_sent_thistime) {
 209                         if (alignment_offset != 0) {
 210                                 memset(smb_buf(req->outbuf), 0,
 211                                        alignment_offset);
 212                         }
 213                         memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
 214                                params_sent_thistime);
 215                 }
 216
 217                 /*
 218                  * Copy in the data bytes
 219                  */
 220
 221                 if(data_sent_thistime) {
 222                         if (data_alignment_offset != 0) {
 223                                 memset((smb_buf(req->outbuf)+alignment_offset+
 224                                         params_sent_thistime), 0,
 225                                        data_alignment_offset);
 226                         }
 227                         memcpy(smb_buf(req->outbuf)+alignment_offset
 228                                +params_sent_thistime+data_alignment_offset,
 229                                pd,data_sent_thistime);
 230                 }
 231
 232                 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
 233                         params_sent_thistime, data_sent_thistime, useable_space));
 234                 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
 235                         params_to_send, data_to_send, paramsize, datasize));
 236
 237                 if (NT_STATUS_V(nt_error)) {
 238                         error_packet_set((char *)req->outbuf,
 239                                          0, 0, nt_error,
 240                                          __LINE__,__FILE__);
 241                 }
 242
 243                 /* Send the packet */
 244                 show_msg((char *)req->outbuf);
 245                 if (!send_smb(smbd_server_fd(),(char *)req->outbuf)) {
 246                         exit_server_cleanly("send_nt_replies: send_smb failed.");
 247                 }
 248
 249                 TALLOC_FREE(req->outbuf);
 250
 251                 pp += params_sent_thistime;
 252                 pd += data_sent_thistime;
 253
 254                 params_to_send -= params_sent_thistime;
 255                 data_to_send -= data_sent_thistime;
 256
 257                 /*
 258                  * Sanity check
 259                  */
 260
 261                 if(params_to_send < 0 || data_to_send < 0) {
 262                         DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
 263                                 params_to_send, data_to_send));
 264                         return;
 265                 }
 266         }
 267 }
 268
 269 /****************************************************************************
 270  Is it an NTFS stream name ?
 271 ****************************************************************************/
 272
 273 bool is_ntfs_stream_name(const char *fname)
 274 {
 275         if (lp_posix_pathnames()) {
 276                 return False;
 277         }
 278         return (strchr_m(fname, ':') != NULL) ? True : False;
 279 }
 280
 281 struct case_semantics_state {
 282         connection_struct *conn;
 283         bool case_sensitive;
 284         bool case_preserve;
 285         bool short_case_preserve;
 286 };
 287
 288 /****************************************************************************
 289  Restore case semantics.
 290 ****************************************************************************/
 291 static int restore_case_semantics(struct case_semantics_state *state)
 292 {
 293         state->conn->case_sensitive = state->case_sensitive;
 294         state->conn->case_preserve = state->case_preserve;
 295         state->conn->short_case_preserve = state->short_case_preserve;
 296         return 0;
 297 }
 298
 299 /****************************************************************************
 300  Save case semantics.
 301 ****************************************************************************/
 302 static struct case_semantics_state *set_posix_case_semantics(TALLOC_CTX *mem_ctx,
 303                                                              connection_struct *conn)
 304 {
 305         struct case_semantics_state *result;
 306
 307         if (!(result = talloc(mem_ctx, struct case_semantics_state))) {
 308                 DEBUG(0, ("talloc failed\n"));
 309                 return NULL;
 310         }
 311
 312         result->conn = conn;
 313         result->case_sensitive = conn->case_sensitive;
 314         result->case_preserve = conn->case_preserve;
 315         result->short_case_preserve = conn->short_case_preserve;
 316
 317         /* Set to POSIX. */
 318         conn->case_sensitive = True;
 319         conn->case_preserve = True;
 320         conn->short_case_preserve = True;
 321
 322         talloc_set_destructor(result, restore_case_semantics);
 323
 324         return result;
 325 }
 326
 327 /****************************************************************************
 328  Reply to an NT create and X call on a pipe
 329 ****************************************************************************/
 330
 331 static void nt_open_pipe(char *fname, connection_struct *conn,
 332                          struct smb_request *req, int *ppnum)
 333 {
 334         smb_np_struct *p = NULL;
 335         int i;
 336
 337         DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
 338
 339         /* See if it is one we want to handle. */
 340
 341         if (lp_disable_spoolss() && strequal(fname, "\\spoolss")) {
 342                 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
 343                                 ERRDOS, ERRbadpipe);
 344                 return;
 345         }
 346
 347         for( i = 0; known_nt_pipes[i]; i++ ) {
 348                 if( strequal(fname,known_nt_pipes[i])) {
 349                         break;
 350                 }
 351         }
 352
 353         if ( known_nt_pipes[i] == NULL ) {
 354                 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
 355                                 ERRDOS, ERRbadpipe);
 356                 return;
 357         }
 358
 359         /* Strip \\ off the name. */
 360         fname++;
 361
 362         DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
 363
 364         p = open_rpc_pipe_p(fname, conn, req->vuid);
 365         if (!p) {
 366                 reply_doserror(req, ERRSRV, ERRnofids);
 367                 return;
 368         }
 369
 370         /* TODO: Add pipe to db */
 371
 372         if ( !store_pipe_opendb( p ) ) {
 373                 DEBUG(3,("nt_open_pipe: failed to store %s pipe open.\n", fname));
 374         }
 375
 376         *ppnum = p->pnum;
 377         return;
 378 }
 379
 380 /****************************************************************************
 381  Reply to an NT create and X call for pipes.
 382 ****************************************************************************/
 383
 384 static void do_ntcreate_pipe_open(connection_struct *conn,
 385                                   struct smb_request *req)
 386 {
 387         char *fname = NULL;
 388         int pnum = -1;
 389         char *p = NULL;
 390         uint32 flags = IVAL(req->inbuf,smb_ntcreate_Flags);
 391         TALLOC_CTX *ctx = talloc_tos();
 392
 393         srvstr_pull_buf_talloc(ctx, (char *)req->inbuf, req->flags2, &fname,
 394                         smb_buf(req->inbuf), STR_TERMINATE);
 395
 396         if (!fname) {
 397                 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
 398                                 ERRDOS, ERRbadpipe);
 399                 return;
 400         }
 401         nt_open_pipe(fname, conn, req, &pnum);
 402
 403         if (req->outbuf) {
 404                 /* error reply */
 405                 return;
 406         }
 407
 408         /*
 409          * Deal with pipe return.
 410          */
 411
 412         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 413                 /* This is very strange. We
 414                  * return 50 words, but only set
 415                  * the wcnt to 42 ? It's definately
 416                  * what happens on the wire....
 417                  */
 418                 reply_outbuf(req, 50, 0);
 419                 SCVAL(req->outbuf,smb_wct,42);
 420         } else {
 421                 reply_outbuf(req, 34, 0);
 422         }
 423
 424         p = (char *)req->outbuf + smb_vwv2;
 425         p++;
 426         SSVAL(p,0,pnum);
 427         p += 2;
 428         SIVAL(p,0,FILE_WAS_OPENED);
 429         p += 4;
 430         p += 32;
 431         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 432         p += 20;
 433         /* File type. */
 434         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 435         /* Device state. */
 436         SSVAL(p,2, 0x5FF); /* ? */
 437         p += 4;
 438
 439         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 440                 p += 25;
 441                 SIVAL(p,0,FILE_GENERIC_ALL);
 442                 /*
 443                  * For pipes W2K3 seems to return
 444                  * 0x12019B next.
 445                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
 446                  */
 447                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
 448         }
 449
 450         DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
 451
 452         chain_reply(req);
 453 }
 454
 455 /****************************************************************************
 456  Reply to an NT create and X call for a quota file.
 457 ****************************************************************************/
 458
 459 static void reply_ntcreate_and_X_quota(connection_struct *conn,
 460                                        struct smb_request *req,
 461                                        enum FAKE_FILE_TYPE fake_file_type,
 462                                        const char *fname)
 463 {
 464         char *p;
 465         uint32 desired_access = IVAL(req->inbuf,smb_ntcreate_DesiredAccess);
 466         files_struct *fsp;
 467         NTSTATUS status;
 468
 469         status = open_fake_file(conn, fake_file_type, fname, desired_access,
 470                                 &fsp);
 471
 472         if (!NT_STATUS_IS_OK(status)) {
 473                 reply_nterror(req, status);
 474                 return;
 475         }
 476
 477         reply_outbuf(req, 34, 0);
 478
 479         p = (char *)req->outbuf + smb_vwv2;
 480
 481         /* SCVAL(p,0,NO_OPLOCK_RETURN); */
 482         p++;
 483         SSVAL(p,0,fsp->fnum);
 484
 485         DEBUG(5,("reply_ntcreate_and_X_quota: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
 486
 487         chain_reply(req);
 488 }
 489
 490 /****************************************************************************
 491  Reply to an NT create and X call.
 492 ****************************************************************************/
 493
 494 void reply_ntcreate_and_X(connection_struct *conn,
 495                           struct smb_request *req)
 496 {
 497         char *fname = NULL;
 498         uint32 flags;
 499         uint32 access_mask;
 500         uint32 file_attributes;
 501         uint32 share_access;
 502         uint32 create_disposition;
 503         uint32 create_options;
 504         uint16 root_dir_fid;
 505         SMB_BIG_UINT allocation_size;
 506         /* Breakout the oplock request bits so we can set the
 507            reply bits separately. */
 508         int oplock_request = 0;
 509         uint32 fattr=0;
 510         SMB_OFF_T file_len = 0;
 511         SMB_STRUCT_STAT sbuf;
 512         int info = 0;
 513         files_struct *fsp = NULL;
 514         char *p = NULL;
 515         struct timespec c_timespec;
 516         struct timespec a_timespec;
 517         struct timespec m_timespec;
 518         bool extended_oplock_granted = False;
 519         NTSTATUS status;
 520         struct case_semantics_state *case_state = NULL;
 521         TALLOC_CTX *ctx = talloc_tos();
 522
 523         START_PROFILE(SMBntcreateX);
 524
 525         if (req->wct < 24) {
 526                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 527                 return;
 528         }
 529
 530         flags = IVAL(req->inbuf,smb_ntcreate_Flags);
 531         access_mask = IVAL(req->inbuf,smb_ntcreate_DesiredAccess);
 532         file_attributes = IVAL(req->inbuf,smb_ntcreate_FileAttributes);
 533         share_access = IVAL(req->inbuf,smb_ntcreate_ShareAccess);
 534         create_disposition = IVAL(req->inbuf,smb_ntcreate_CreateDisposition);
 535         create_options = IVAL(req->inbuf,smb_ntcreate_CreateOptions);
 536         root_dir_fid = (uint16)IVAL(req->inbuf,smb_ntcreate_RootDirectoryFid);
 537
 538         allocation_size = (SMB_BIG_UINT)IVAL(req->inbuf,smb_ntcreate_AllocationSize);
 539 #ifdef LARGE_SMB_OFF_T
 540         allocation_size |= (((SMB_BIG_UINT)IVAL(req->inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
 541 #endif
 542
 543         DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
 544                   "file_attributes = 0x%x, share_access = 0x%x, "
 545                   "create_disposition = 0x%x create_options = 0x%x "
 546                   "root_dir_fid = 0x%x\n",
 547                         (unsigned int)flags,
 548                         (unsigned int)access_mask,
 549                         (unsigned int)file_attributes,
 550                         (unsigned int)share_access,
 551                         (unsigned int)create_disposition,
 552                         (unsigned int)create_options,
 553                         (unsigned int)root_dir_fid ));
 554
 555         /*
 556          * If it's an IPC, use the pipe handler.
 557          */
 558
 559         if (IS_IPC(conn)) {
 560                 if (lp_nt_pipe_support()) {
 561                         do_ntcreate_pipe_open(conn, req);
 562                         END_PROFILE(SMBntcreateX);
 563                         return;
 564                 } else {
 565                         reply_doserror(req, ERRDOS, ERRnoaccess);
 566                         END_PROFILE(SMBntcreateX);
 567                         return;
 568                 }
 569         }
 570
 571         if (create_options & FILE_OPEN_BY_FILE_ID) {
 572                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
 573                 END_PROFILE(SMBntcreateX);
 574                 return;
 575         }
 576
 577         /*
 578          * Get the file name.
 579          */
 580
 581         if(root_dir_fid != 0) {
 582                 /*
 583                  * This filename is relative to a directory fid.
 584                  */
 585                 char *rel_fname = NULL;
 586                 files_struct *dir_fsp = file_fsp(root_dir_fid);
 587
 588                 if(!dir_fsp) {
 589                         reply_doserror(req, ERRDOS, ERRbadfid);
 590                         END_PROFILE(SMBntcreateX);
 591                         return;
 592                 }
 593
 594                 if(!dir_fsp->is_directory) {
 595
 596                         srvstr_get_path(ctx, (char *)req->inbuf,
 597                                         req->flags2, &fname,
 598                                         smb_buf(req->inbuf), 0,
 599                                         STR_TERMINATE, &status);
 600                         if (!NT_STATUS_IS_OK(status)) {
 601                                 reply_nterror(req, status);
 602                                 END_PROFILE(SMBntcreateX);
 603                                 return;
 604                         }
 605
 606                         /*
 607                          * Check to see if this is a mac fork of some kind.
 608                          */
 609
 610                         if( is_ntfs_stream_name(fname)) {
 611                                 reply_nterror(
 612                                         req, NT_STATUS_OBJECT_PATH_NOT_FOUND);
 613                                 END_PROFILE(SMBntcreateX);
 614                                 return;
 615                         }
 616
 617                         /*
 618                           we need to handle the case when we get a
 619                           relative open relative to a file and the
 620                           pathname is blank - this is a reopen!
 621                           (hint from demyn plantenberg)
 622                         */
 623
 624                         reply_doserror(req, ERRDOS, ERRbadfid);
 625                         END_PROFILE(SMBntcreateX);
 626                         return;
 627                 }
 628
 629                 if (ISDOT(dir_fsp->fsp_name)) {
 630                         /*
 631                          * We're at the toplevel dir, the final file name
 632                          * must not contain ./, as this is filtered out
 633                          * normally by srvstr_get_path and unix_convert
 634                          * explicitly rejects paths containing ./.
 635                          */
 636                         fname = talloc_strdup(ctx,"");
 637                         if (!fname) {
 638                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
 639                                 END_PROFILE(SMBntcreateX);
 640                                 return;
 641                         }
 642                 } else {
 643                         size_t dir_name_len = strlen(dir_fsp->fsp_name);
 644
 645                         /*
 646                          * Copy in the base directory name.
 647                          */
 648
 649                         fname = TALLOC_ARRAY(ctx, char, dir_name_len+2);
 650                         if (!fname) {
 651                                 reply_nterror(
 652                                         req, NT_STATUS_NO_MEMORY);
 653                                 END_PROFILE(SMBntcreateX);
 654                                 return;
 655                         }
 656                         memcpy(fname, dir_fsp->fsp_name, dir_name_len+1);
 657
 658                         /*
 659                          * Ensure it ends in a '/'.
 660                          * We used TALLOC_SIZE +2 to add space for the '/'.
 661                          */
 662
 663                         if(dir_name_len &&
 664                                         (fname[dir_name_len-1] != '\\') &&
 665                                         (fname[dir_name_len-1] != '/')) {
 666                                 fname[dir_name_len] = '/';
 667                                 fname[dir_name_len+1] = '\0';
 668                         }
 669                 }
 670
 671                 srvstr_get_path(ctx, (char *)req->inbuf, req->flags2, &rel_fname,
 672                                 smb_buf(req->inbuf), 0,
 673                                 STR_TERMINATE, &status);
 674                 if (!NT_STATUS_IS_OK(status)) {
 675                         reply_nterror(req, status);
 676                         END_PROFILE(SMBntcreateX);
 677                         return;
 678                 }
 679                 fname = talloc_asprintf(ctx, "%s%s",
 680                                         fname,
 681                                         rel_fname);
 682                 if (!fname) {
 683                         reply_nterror(
 684                                 req, NT_STATUS_NO_MEMORY);
 685                         END_PROFILE(SMBntcreateX);
 686                         return;
 687                 }
 688         } else {
 689                 srvstr_get_path(ctx, (char *)req->inbuf, req->flags2, &fname,
 690                                 smb_buf(req->inbuf), 0,
 691                                 STR_TERMINATE, &status);
 692                 if (!NT_STATUS_IS_OK(status)) {
 693                         reply_nterror(req, status);
 694                         END_PROFILE(SMBntcreateX);
 695                         return;
 696                 }
 697
 698                 /*
 699                  * Check to see if this is a mac fork of some kind.
 700                  */
 701
 702                 if( is_ntfs_stream_name(fname)) {
 703                         enum FAKE_FILE_TYPE fake_file_type = is_fake_file(fname);
 704                         if (fake_file_type!=FAKE_FILE_TYPE_NONE) {
 705                                 /*
 706                                  * Here we go! support for changing the disk quotas --metze
 707                                  *
 708                                  * We need to fake up to open this MAGIC QUOTA file
 709                                  * and return a valid FID.
 710                                  *
 711                                  * w2k close this file directly after openening
 712                                  * xp also tries a QUERY_FILE_INFO on the file and then close it
 713                                  */
 714                                 reply_ntcreate_and_X_quota(conn, req,
 715                                                           fake_file_type, fname);
 716                         } else {
 717                                 reply_nterror(req, NT_STATUS_OBJECT_PATH_NOT_FOUND);
 718                         }
 719                         END_PROFILE(SMBntcreateX);
 720                         return;
 721                 }
 722         }
 723
 724         /*
 725          * Now contruct the smb_open_mode value from the filename,
 726          * desired access and the share access.
 727          */
 728         status = resolve_dfspath(ctx, conn,
 729                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
 730                                 fname,
 731                                 &fname);
 732         if (!NT_STATUS_IS_OK(status)) {
 733                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
 734                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
 735                                         ERRSRV, ERRbadpath);
 736                 }
 737                 else {
 738                         reply_nterror(req, status);
 739                 }
 740                 END_PROFILE(SMBntcreateX);
 741                 return;
 742         }
 743
 744         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 745         if (oplock_request) {
 746                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
 747         }
 748
 749         /*
 750          * Ordinary file or directory.
 751          */
 752
 753         /*
 754          * Check if POSIX semantics are wanted.
 755          */
 756
 757         if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
 758                 case_state = set_posix_case_semantics(NULL, conn);
 759                 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
 760         }
 761
 762         status = unix_convert(ctx, conn, fname, False, &fname, NULL, &sbuf);
 763         if (!NT_STATUS_IS_OK(status)) {
 764                 TALLOC_FREE(case_state);
 765                 reply_nterror(req, status);
 766                 END_PROFILE(SMBntcreateX);
 767                 return;
 768         }
 769         /* All file access must go through check_name() */
 770         status = check_name(conn, fname);
 771         if (!NT_STATUS_IS_OK(status)) {
 772                 TALLOC_FREE(case_state);
 773                 reply_nterror(req, status);
 774                 END_PROFILE(SMBntcreateX);
 775                 return;
 776         }
 777
 778         /* This is the correct thing to do (check every time) but can_delete is
 779            expensive (it may have to read the parent directory permissions). So
 780            for now we're not doing it unless we have a strong hint the client
 781            is really going to delete this file. If the client is forcing FILE_CREATE
 782            let the filesystem take care of the permissions. */
 783
 784         /* Setting FILE_SHARE_DELETE is the hint. */
 785
 786         if (lp_acl_check_permissions(SNUM(conn))
 787             && (create_disposition != FILE_CREATE)
 788             && (share_access & FILE_SHARE_DELETE)
 789             && (access_mask & DELETE_ACCESS)) {
 790                 if (((dos_mode(conn, fname, &sbuf) & FILE_ATTRIBUTE_READONLY)
 791                                 && !lp_delete_readonly(SNUM(conn))) ||
 792                                 !can_delete_file_in_directory(conn, fname)) {
 793                         TALLOC_FREE(case_state);
 794                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
 795                         END_PROFILE(SMBntcreateX);
 796                         return;
 797                 }
 798         }
 799
 800 #if 0
 801         /* We need to support SeSecurityPrivilege for this. */
 802         if ((access_mask & SEC_RIGHT_SYSTEM_SECURITY) &&
 803                         !user_has_privileges(current_user.nt_user_token,
 804                                 &se_security)) {
 805                 TALLOC_FREE(case_state);
 806                 END_PROFILE(SMBntcreateX);
 807                 return ERROR_NT(NT_STATUS_PRIVILEGE_NOT_HELD);
 808         }
 809 #endif
 810
 811         /*
 812          * If it's a request for a directory open, deal with it separately.
 813          */
 814
 815         if(create_options & FILE_DIRECTORY_FILE) {
 816
 817                 /* Can't open a temp directory. IFS kit test. */
 818                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
 819                         TALLOC_FREE(case_state);
 820                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 821                         END_PROFILE(SMBntcreateX);
 822                         return;
 823                 }
 824
 825                 oplock_request = 0;
 826                 status = open_directory(conn, req, fname, &sbuf,
 827                                         access_mask,
 828                                         share_access,
 829                                         create_disposition,
 830                                         create_options,
 831                                         file_attributes,
 832                                         &info, &fsp);
 833
 834         } else {
 835
 836                 /*
 837                  * Ordinary file case.
 838                  */
 839
 840                 /* NB. We have a potential bug here. If we
 841                  * cause an oplock break to ourselves, then we
 842                  * could end up processing filename related
 843                  * SMB requests whilst we await the oplock
 844                  * break response. As we may have changed the
 845                  * filename case semantics to be POSIX-like,
 846                  * this could mean a filename request could
 847                  * fail when it should succeed. This is a rare
 848                  * condition, but eventually we must arrange
 849                  * to restore the correct case semantics
 850                  * before issuing an oplock break request to
 851                  * our client. JRA.  */
 852
 853                 status = open_file_ntcreate(conn, req, fname, &sbuf,
 854                                         access_mask,
 855                                         share_access,
 856                                         create_disposition,
 857                                         create_options,
 858                                         file_attributes,
 859                                         oplock_request,
 860                                         &info, &fsp);
 861
 862                 /* We cheat here. There are two cases we
 863                  * care about. One is a directory rename,
 864                  * where the NT client will attempt to
 865                  * open the source directory for
 866                  * DELETE access. Note that when the
 867                  * NT client does this it does *not*
 868                  * set the directory bit in the
 869                  * request packet. This is translated
 870                  * into a read/write open
 871                  * request. POSIX states that any open
 872                  * for write request on a directory
 873                  * will generate an EISDIR error, so
 874                  * we can catch this here and open a
 875                  * pseudo handle that is flagged as a
 876                  * directory. The second is an open
 877                  * for a permissions read only, which
 878                  * we handle in the open_file_stat case. JRA.
 879                  */
 880
 881                 if (NT_STATUS_EQUAL(status, NT_STATUS_FILE_IS_A_DIRECTORY)) {
 882
 883                         /*
 884                          * Fail the open if it was explicitly a non-directory
 885                          * file.
 886                          */
 887
 888                         if (create_options & FILE_NON_DIRECTORY_FILE) {
 889                                 TALLOC_FREE(case_state);
 890                                 reply_force_nterror(req,
 891                                                 NT_STATUS_FILE_IS_A_DIRECTORY);
 892                                 END_PROFILE(SMBntcreateX);
 893                                 return;
 894                         }
 895
 896                         oplock_request = 0;
 897                         status = open_directory(conn, req, fname,
 898                                                 &sbuf,
 899                                                 access_mask,
 900                                                 share_access,
 901                                                 create_disposition,
 902                                                 create_options,
 903                                                 file_attributes,
 904                                                 &info, &fsp);
 905                 }
 906         }
 907
 908         TALLOC_FREE(case_state);
 909
 910         if (!NT_STATUS_IS_OK(status)) {
 911                 if (open_was_deferred(req->mid)) {
 912                         /* We have re-scheduled this call. */
 913                         END_PROFILE(SMBntcreateX);
 914                         return;
 915                 }
 916                 reply_openerror(req, status);
 917                 END_PROFILE(SMBntcreateX);
 918                 return;
 919         }
 920
 921         file_len = sbuf.st_size;
 922         fattr = dos_mode(conn,fname,&sbuf);
 923         if(fattr == 0) {
 924                 fattr = FILE_ATTRIBUTE_NORMAL;
 925         }
 926         if (!fsp->is_directory && (fattr & aDIR)) {
 927                 close_file(fsp,ERROR_CLOSE);
 928                 reply_doserror(req, ERRDOS, ERRnoaccess);
 929                 END_PROFILE(SMBntcreateX);
 930                 return;
 931         }
 932
 933         /* Save the requested allocation size. */
 934         if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
 935                 if (allocation_size && (allocation_size > (SMB_BIG_UINT)file_len)) {
 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                                 END_PROFILE(SMBntcreateX);
 942                                 return;
 943                         }
 944                         if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
 945                                 close_file(fsp,ERROR_CLOSE);
 946                                 reply_nterror(req, NT_STATUS_DISK_FULL);
 947                                 END_PROFILE(SMBntcreateX);
 948                                 return;
 949                         }
 950                 } else {
 951                         fsp->initial_allocation_size = smb_roundup(fsp->conn,(SMB_BIG_UINT)file_len);
 952                 }
 953         }
 954
 955         /*
 956          * If the caller set the extended oplock request bit
 957          * and we granted one (by whatever means) - set the
 958          * correct bit for extended oplock reply.
 959          */
 960
 961         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
 962                 extended_oplock_granted = True;
 963         }
 964
 965         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
 966                 extended_oplock_granted = True;
 967         }
 968
 969         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 970                 /* This is very strange. We
 971                  * return 50 words, but only set
 972                  * the wcnt to 42 ? It's definately
 973                  * what happens on the wire....
 974                  */
 975                 reply_outbuf(req, 50, 0);
 976                 SCVAL(req->outbuf,smb_wct,42);
 977         } else {
 978                 reply_outbuf(req, 34, 0);
 979         }
 980
 981         p = (char *)req->outbuf + smb_vwv2;
 982
 983         /*
 984          * Currently as we don't support level II oplocks we just report
 985          * exclusive & batch here.
 986          */
 987
 988         if (extended_oplock_granted) {
 989                 if (flags & REQUEST_BATCH_OPLOCK) {
 990                         SCVAL(p,0, BATCH_OPLOCK_RETURN);
 991                 } else {
 992                         SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
 993                 }
 994         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
 995                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
 996         } else {
 997                 SCVAL(p,0,NO_OPLOCK_RETURN);
 998         }
 999
1000         p++;
1001         SSVAL(p,0,fsp->fnum);
1002         p += 2;
1003         if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
1004                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1005         } else {
1006                 SIVAL(p,0,info);
1007         }
1008         p += 4;
1009
1010         /* Create time. */
1011         c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1012         a_timespec = get_atimespec(&sbuf);
1013         m_timespec = get_mtimespec(&sbuf);
1014
1015         if (lp_dos_filetime_resolution(SNUM(conn))) {
1016                 dos_filetime_timespec(&c_timespec);
1017                 dos_filetime_timespec(&a_timespec);
1018                 dos_filetime_timespec(&m_timespec);
1019         }
1020
1021         put_long_date_timespec(p, c_timespec); /* create time. */
1022         p += 8;
1023         put_long_date_timespec(p, a_timespec); /* access time */
1024         p += 8;
1025         put_long_date_timespec(p, m_timespec); /* write time */
1026         p += 8;
1027         put_long_date_timespec(p, m_timespec); /* change time */
1028         p += 8;
1029         SIVAL(p,0,fattr); /* File Attributes. */
1030         p += 4;
1031         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1032         p += 8;
1033         SOFF_T(p,0,file_len);
1034         p += 8;
1035         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1036                 SSVAL(p,2,0x7);
1037         }
1038         p += 4;
1039         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1040
1041         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1042                 uint32 perms = 0;
1043                 p += 25;
1044                 if (fsp->is_directory || can_write_to_file(conn, fname, &sbuf)) {
1045                         perms = FILE_GENERIC_ALL;
1046                 } else {
1047                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
1048                 }
1049                 SIVAL(p,0,perms);
1050         }
1051
1052         DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
1053
1054         chain_reply(req);
1055         END_PROFILE(SMBntcreateX);
1056         return;
1057 }
1058
1059 /****************************************************************************
1060  Reply to a NT_TRANSACT_CREATE call to open a pipe.
1061 ****************************************************************************/
1062
1063 static void do_nt_transact_create_pipe(connection_struct *conn,
1064                                        struct smb_request *req,
1065                                        uint16 **ppsetup, uint32 setup_count,
1066                                        char **ppparams, uint32 parameter_count,
1067                                        char **ppdata, uint32 data_count)
1068 {
1069         char *fname = NULL;
1070         char *params = *ppparams;
1071         int pnum = -1;
1072         char *p = NULL;
1073         NTSTATUS status;
1074         size_t param_len;
1075         uint32 flags;
1076         TALLOC_CTX *ctx = talloc_tos();
1077
1078         /*
1079          * Ensure minimum number of parameters sent.
1080          */
1081
1082         if(parameter_count < 54) {
1083                 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1084                 reply_doserror(req, ERRDOS, ERRnoaccess);
1085                 return;
1086         }
1087
1088         flags = IVAL(params,0);
1089
1090         srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
1091                         parameter_count-53, STR_TERMINATE,
1092                         &status);
1093         if (!NT_STATUS_IS_OK(status)) {
1094                 reply_nterror(req, status);
1095                 return;
1096         }
1097
1098         nt_open_pipe(fname, conn, req, &pnum);
1099
1100         if (req->outbuf) {
1101                 /* Error return */
1102                 return;
1103         }
1104
1105         /* Realloc the size of parameters and data we will return */
1106         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1107                 /* Extended response is 32 more byyes. */
1108                 param_len = 101;
1109         } else {
1110                 param_len = 69;
1111         }
1112         params = nttrans_realloc(ppparams, param_len);
1113         if(params == NULL) {
1114                 reply_doserror(req, ERRDOS, ERRnomem);
1115                 return;
1116         }
1117
1118         p = params;
1119         SCVAL(p,0,NO_OPLOCK_RETURN);
1120
1121         p += 2;
1122         SSVAL(p,0,pnum);
1123         p += 2;
1124         SIVAL(p,0,FILE_WAS_OPENED);
1125         p += 8;
1126
1127         p += 32;
1128         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
1129         p += 20;
1130         /* File type. */
1131         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
1132         /* Device state. */
1133         SSVAL(p,2, 0x5FF); /* ? */
1134         p += 4;
1135
1136         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1137                 p += 25;
1138                 SIVAL(p,0,FILE_GENERIC_ALL);
1139                 /*
1140                  * For pipes W2K3 seems to return
1141                  * 0x12019B next.
1142                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
1143                  */
1144                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
1145         }
1146
1147         DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
1148
1149         /* Send the required number of replies */
1150         send_nt_replies(req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1151
1152         return;
1153 }
1154
1155 /****************************************************************************
1156  Internal fn to set security descriptors.
1157 ****************************************************************************/
1158
1159 static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent)
1160 {
1161         prs_struct pd;
1162         SEC_DESC *psd = NULL;
1163         TALLOC_CTX *mem_ctx;
1164         NTSTATUS status;
1165
1166         if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
1167                 return NT_STATUS_OK;
1168         }
1169
1170         /*
1171          * Init the parse struct we will unmarshall from.
1172          */
1173
1174         if ((mem_ctx = talloc_init("set_sd")) == NULL) {
1175                 DEBUG(0,("set_sd: talloc_init failed.\n"));
1176                 return NT_STATUS_NO_MEMORY;
1177         }
1178
1179         prs_init(&pd, 0, mem_ctx, UNMARSHALL);
1180
1181         /*
1182          * Setup the prs_struct to point at the memory we just
1183          * allocated.
1184          */
1185
1186         prs_give_memory( &pd, data, sd_len, False);
1187
1188         /*
1189          * Finally, unmarshall from the data buffer.
1190          */
1191
1192         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1193                 DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
1194                 /*
1195                  * Return access denied for want of a better error message..
1196                  */
1197                 talloc_destroy(mem_ctx);
1198                 return NT_STATUS_NO_MEMORY;
1199         }
1200
1201         if (psd->owner_sid==0) {
1202                 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
1203         }
1204         if (psd->group_sid==0) {
1205                 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
1206         }
1207         if (psd->sacl==0) {
1208                 security_info_sent &= ~SACL_SECURITY_INFORMATION;
1209         }
1210         if (psd->dacl==0) {
1211                 security_info_sent &= ~DACL_SECURITY_INFORMATION;
1212         }
1213
1214         status = SMB_VFS_FSET_NT_ACL( fsp, fsp->fh->fd, security_info_sent, psd);
1215
1216         talloc_destroy(mem_ctx);
1217         return status;
1218 }
1219
1220 /****************************************************************************
1221  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
1222 ****************************************************************************/
1223
1224 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
1225 {
1226         struct ea_list *ea_list_head = NULL;
1227         size_t offset = 0;
1228
1229         if (data_size < 4) {
1230                 return NULL;
1231         }
1232
1233         while (offset + 4 <= data_size) {
1234                 size_t next_offset = IVAL(pdata,offset);
1235                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
1236
1237                 if (!eal) {
1238                         return NULL;
1239                 }
1240
1241                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
1242                 if (next_offset == 0) {
1243                         break;
1244                 }
1245                 offset += next_offset;
1246         }
1247
1248         return ea_list_head;
1249 }
1250
1251 /****************************************************************************
1252  Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1253 ****************************************************************************/
1254
1255 static void call_nt_transact_create(connection_struct *conn,
1256                                     struct smb_request *req,
1257                                     uint16 **ppsetup, uint32 setup_count,
1258                                     char **ppparams, uint32 parameter_count,
1259                                     char **ppdata, uint32 data_count,
1260                                     uint32 max_data_count)
1261 {
1262         char *fname = NULL;
1263         char *params = *ppparams;
1264         char *data = *ppdata;
1265         /* Breakout the oplock request bits so we can set the reply bits separately. */
1266         int oplock_request = 0;
1267         uint32 fattr=0;
1268         SMB_OFF_T file_len = 0;
1269         SMB_STRUCT_STAT sbuf;
1270         int info = 0;
1271         files_struct *fsp = NULL;
1272         char *p = NULL;
1273         bool extended_oplock_granted = False;
1274         uint32 flags;
1275         uint32 access_mask;
1276         uint32 file_attributes;
1277         uint32 share_access;
1278         uint32 create_disposition;
1279         uint32 create_options;
1280         uint32 sd_len;
1281         uint32 ea_len;
1282         uint16 root_dir_fid;
1283         struct timespec c_timespec;
1284         struct timespec a_timespec;
1285         struct timespec m_timespec;
1286         struct ea_list *ea_list = NULL;
1287         char *pdata = NULL;
1288         NTSTATUS status;
1289         size_t param_len;
1290         struct case_semantics_state *case_state = NULL;
1291         SMB_BIG_UINT allocation_size;
1292         TALLOC_CTX *ctx = talloc_tos();
1293
1294         DEBUG(5,("call_nt_transact_create\n"));
1295
1296         /*
1297          * If it's an IPC, use the pipe handler.
1298          */
1299
1300         if (IS_IPC(conn)) {
1301                 if (lp_nt_pipe_support()) {
1302                         do_nt_transact_create_pipe(
1303                                 conn, req,
1304                                 ppsetup, setup_count,
1305                                 ppparams, parameter_count,
1306                                 ppdata, data_count);
1307                         return;
1308                 } else {
1309                         reply_doserror(req, ERRDOS, ERRnoaccess);
1310                         return;
1311                 }
1312         }
1313
1314         /*
1315          * Ensure minimum number of parameters sent.
1316          */
1317
1318         if(parameter_count < 54) {
1319                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1320                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1321                 return;
1322         }
1323
1324         flags = IVAL(params,0);
1325         access_mask = IVAL(params,8);
1326         file_attributes = IVAL(params,20);
1327         share_access = IVAL(params,24);
1328         create_disposition = IVAL(params,28);
1329         create_options = IVAL(params,32);
1330         sd_len = IVAL(params,36);
1331         ea_len = IVAL(params,40);
1332         root_dir_fid = (uint16)IVAL(params,4);
1333         allocation_size = (SMB_BIG_UINT)IVAL(params,12);
1334 #ifdef LARGE_SMB_OFF_T
1335         allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
1336 #endif
1337
1338         /* Ensure the data_len is correct for the sd and ea values given. */
1339         if ((ea_len + sd_len > data_count) ||
1340                         (ea_len > data_count) || (sd_len > data_count) ||
1341                         (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1342                 DEBUG(10,("call_nt_transact_create - ea_len = %u, sd_len = %u, data_count = %u\n",
1343                         (unsigned int)ea_len, (unsigned int)sd_len, (unsigned int)data_count ));
1344                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1345                 return;
1346         }
1347
1348         if (ea_len) {
1349                 if (!lp_ea_support(SNUM(conn))) {
1350                         DEBUG(10,("call_nt_transact_create - ea_len = %u but EA's not supported.\n",
1351                                 (unsigned int)ea_len ));
1352                         reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1353                         return;
1354                 }
1355
1356                 if (ea_len < 10) {
1357                         DEBUG(10,("call_nt_transact_create - ea_len = %u - too small (should be more than 10)\n",
1358                                 (unsigned int)ea_len ));
1359                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1360                         return;
1361                 }
1362         }
1363
1364         if (create_options & FILE_OPEN_BY_FILE_ID) {
1365                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1366                 return;
1367         }
1368
1369         /*
1370          * Get the file name.
1371          */
1372
1373         if(root_dir_fid != 0) {
1374                 /*
1375                  * This filename is relative to a directory fid.
1376                  */
1377                 char *tmpname = NULL;
1378                 files_struct *dir_fsp = file_fsp(root_dir_fid);
1379
1380                 if(!dir_fsp) {
1381                         reply_doserror(req, ERRDOS, ERRbadfid);
1382                         return;
1383                 }
1384
1385                 if(!dir_fsp->is_directory) {
1386                         srvstr_get_path(ctx, params, req->flags2, &fname,
1387                                         params+53,
1388                                         parameter_count-53, STR_TERMINATE,
1389                                         &status);
1390                         if (!NT_STATUS_IS_OK(status)) {
1391                                 reply_nterror(req, status);
1392                                 return;
1393                         }
1394
1395                         /*
1396                          * Check to see if this is a mac fork of some kind.
1397                          */
1398
1399                         if( is_ntfs_stream_name(fname)) {
1400                                 reply_nterror(req,
1401                                               NT_STATUS_OBJECT_PATH_NOT_FOUND);
1402                                 return;
1403                         }
1404
1405                         reply_doserror(req, ERRDOS, ERRbadfid);
1406                         return;
1407                 }
1408
1409                 if (ISDOT(dir_fsp->fsp_name)) {
1410                         /*
1411                          * We're at the toplevel dir, the final file name
1412                          * must not contain ./, as this is filtered out
1413                          * normally by srvstr_get_path and unix_convert
1414                          * explicitly rejects paths containing ./.
1415                          */
1416                         fname = talloc_strdup(ctx,"");
1417                         if (!fname) {
1418                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1419                                 return;
1420                         }
1421                 } else {
1422                         size_t dir_name_len = strlen(dir_fsp->fsp_name);
1423
1424                         /*
1425                          * Copy in the base directory name.
1426                          */
1427
1428                         fname = TALLOC_ARRAY(ctx, char, dir_name_len+2);
1429                         if (!fname) {
1430                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1431                                 return;
1432                         }
1433                         memcpy(fname, dir_fsp->fsp_name, dir_name_len+1);
1434
1435                         /*
1436                          * Ensure it ends in a '/'.
1437                          * We used TALLOC_SIZE +2 to add space for the '/'.
1438                          */
1439
1440                         if(dir_name_len &&
1441                                         (fname[dir_name_len-1] != '\\') &&
1442                                         (fname[dir_name_len-1] != '/')) {
1443                                 fname[dir_name_len] = '/';
1444                                 fname[dir_name_len+1] = '\0';
1445                         }
1446                 }
1447
1448                 srvstr_get_path(ctx, params, req->flags2, &tmpname,
1449                                 params+53,
1450                                 parameter_count-53, STR_TERMINATE,
1451                                 &status);
1452                 if (!NT_STATUS_IS_OK(status)) {
1453                         reply_nterror(req, status);
1454                         return;
1455                 }
1456                 fname = talloc_asprintf(ctx, "%s%s",
1457                                         fname,
1458                                         tmpname);
1459                 if (!fname) {
1460                         reply_nterror(
1461                                 req, NT_STATUS_NO_MEMORY);
1462                         return;
1463                 }
1464         } else {
1465                 srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
1466                                 parameter_count-53,
1467                                 STR_TERMINATE, &status);
1468                 if (!NT_STATUS_IS_OK(status)) {
1469                         reply_nterror(req, status);
1470                         return;
1471                 }
1472
1473                 /*
1474                  * Check to see if this is a mac fork of some kind.
1475                  */
1476
1477                 if( is_ntfs_stream_name(fname)) {
1478                         reply_nterror(req, NT_STATUS_OBJECT_PATH_NOT_FOUND);
1479                         return;
1480                 }
1481         }
1482
1483         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1484         if (oplock_request) {
1485                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1486         }
1487
1488         /*
1489          * Ordinary file or directory.
1490          */
1491
1492         /*
1493          * Check if POSIX semantics are wanted.
1494          */
1495
1496         if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
1497                 case_state = set_posix_case_semantics(NULL, conn);
1498                 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
1499         }
1500
1501         status = resolve_dfspath(ctx, conn,
1502                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
1503                                 fname,
1504                                 &fname);
1505         if (!NT_STATUS_IS_OK(status)) {
1506                 TALLOC_FREE(case_state);
1507                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1508                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1509                                         ERRSRV, ERRbadpath);
1510                         return;
1511                 }
1512                 reply_nterror(req, status);
1513                 return;
1514         }
1515
1516         status = unix_convert(ctx, conn, fname, False, &fname, NULL, &sbuf);
1517         if (!NT_STATUS_IS_OK(status)) {
1518                 TALLOC_FREE(case_state);
1519                 reply_nterror(req, status);
1520                 return;
1521         }
1522         /* All file access must go through check_name() */
1523         status = check_name(conn, fname);
1524         if (!NT_STATUS_IS_OK(status)) {
1525                 TALLOC_FREE(case_state);
1526                 reply_nterror(req, status);
1527                 return;
1528         }
1529
1530         /* This is the correct thing to do (check every time) but can_delete is
1531            expensive (it may have to read the parent directory permissions). So
1532            for now we're not doing it unless we have a strong hint the client
1533            is really going to delete this file. If the client is forcing FILE_CREATE
1534            let the filesystem take care of the permissions. */
1535
1536         /* Setting FILE_SHARE_DELETE is the hint. */
1537
1538         if (lp_acl_check_permissions(SNUM(conn))
1539             && (create_disposition != FILE_CREATE)
1540             && (share_access & FILE_SHARE_DELETE)
1541             && (access_mask & DELETE_ACCESS)) {
1542                 if (((dos_mode(conn, fname, &sbuf) & FILE_ATTRIBUTE_READONLY)
1543                                 && !lp_delete_readonly(SNUM(conn))) ||
1544                                 !can_delete_file_in_directory(conn, fname)) {
1545                         TALLOC_FREE(case_state);
1546                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1547                         return;
1548                 }
1549         }
1550
1551 #if 0
1552         /* We need to support SeSecurityPrivilege for this. */
1553         if ((access_mask & SEC_RIGHT_SYSTEM_SECURITY) &&
1554                         !user_has_privileges(current_user.nt_user_token,
1555                                 &se_security)) {
1556                 TALLOC_FREE(case_state);
1557                 reply_nterror(req, NT_STATUS_PRIVILEGE_NOT_HELD);
1558                 return;
1559         }
1560 #endif
1561
1562         if (ea_len) {
1563                 pdata = data + sd_len;
1564
1565                 /* We have already checked that ea_len <= data_count here. */
1566                 ea_list = read_nttrans_ea_list(talloc_tos(), pdata,
1567                                                ea_len);
1568                 if (!ea_list ) {
1569                         TALLOC_FREE(case_state);
1570                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1571                         return;
1572                 }
1573         }
1574
1575         /*
1576          * If it's a request for a directory open, deal with it separately.
1577          */
1578
1579         if(create_options & FILE_DIRECTORY_FILE) {
1580
1581                 /* Can't open a temp directory. IFS kit test. */
1582                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
1583                         TALLOC_FREE(case_state);
1584                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1585                         return;
1586                 }
1587
1588                 /*
1589                  * We will get a create directory here if the Win32
1590                  * app specified a security descriptor in the
1591                  * CreateDirectory() call.
1592                  */
1593
1594                 oplock_request = 0;
1595                 status = open_directory(conn, req, fname, &sbuf,
1596                                         access_mask,
1597                                         share_access,
1598                                         create_disposition,
1599                                         create_options,
1600                                         file_attributes,
1601                                         &info, &fsp);
1602         } else {
1603
1604                 /*
1605                  * Ordinary file case.
1606                  */
1607
1608                 status = open_file_ntcreate(conn,req,fname,&sbuf,
1609                                         access_mask,
1610                                         share_access,
1611                                         create_disposition,
1612                                         create_options,
1613                                         file_attributes,
1614                                         oplock_request,
1615                                         &info, &fsp);
1616
1617                 if (NT_STATUS_EQUAL(status, NT_STATUS_FILE_IS_A_DIRECTORY)) {
1618
1619                         /*
1620                          * Fail the open if it was explicitly a non-directory file.
1621                          */
1622
1623                         if (create_options & FILE_NON_DIRECTORY_FILE) {
1624                                 TALLOC_FREE(case_state);
1625                                 reply_force_nterror(
1626                                         req,
1627                                         NT_STATUS_FILE_IS_A_DIRECTORY);
1628                                 return;
1629                         }
1630
1631                         oplock_request = 0;
1632                         status = open_directory(conn, req, fname,
1633                                                 &sbuf,
1634                                                 access_mask,
1635                                                 share_access,
1636                                                 create_disposition,
1637                                                 create_options,
1638                                                 file_attributes,
1639                                                 &info, &fsp);
1640                 }
1641         }
1642
1643         TALLOC_FREE(case_state);
1644
1645         if(!NT_STATUS_IS_OK(status)) {
1646                 if (open_was_deferred(req->mid)) {
1647                         /* We have re-scheduled this call. */
1648                         return;
1649                 }
1650                 reply_openerror(req, status);
1651                 return;
1652         }
1653
1654         /*
1655          * According to the MS documentation, the only time the security
1656          * descriptor is applied to the opened file is iff we *created* the
1657          * file; an existing file stays the same.
1658          *
1659          * Also, it seems (from observation) that you can open the file with
1660          * any access mask but you can still write the sd. We need to override
1661          * the granted access before we call set_sd
1662          * Patch for bug #2242 from Tom Lackemann <cessnatomny@yahoo.com>.
1663          */
1664
1665         if (lp_nt_acl_support(SNUM(conn)) && sd_len && info == FILE_WAS_CREATED) {
1666                 uint32 saved_access_mask = fsp->access_mask;
1667
1668                 /* We have already checked that sd_len <= data_count here. */
1669
1670                 fsp->access_mask = FILE_GENERIC_ALL;
1671
1672                 status = set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION);
1673                 if (!NT_STATUS_IS_OK(status)) {
1674                         close_file(fsp,ERROR_CLOSE);
1675                         TALLOC_FREE(case_state);
1676                         reply_nterror(req, status);
1677                         return;
1678                 }
1679                 fsp->access_mask = saved_access_mask;
1680         }
1681
1682         if (ea_len && (info == FILE_WAS_CREATED)) {
1683                 status = set_ea(conn, fsp, fname, ea_list);
1684                 if (!NT_STATUS_IS_OK(status)) {
1685                         close_file(fsp,ERROR_CLOSE);
1686                         TALLOC_FREE(case_state);
1687                         reply_nterror(req, status);
1688                         return;
1689                 }
1690         }
1691
1692         TALLOC_FREE(case_state);
1693
1694         file_len = sbuf.st_size;
1695         fattr = dos_mode(conn,fname,&sbuf);
1696         if(fattr == 0) {
1697                 fattr = FILE_ATTRIBUTE_NORMAL;
1698         }
1699         if (!fsp->is_directory && (fattr & aDIR)) {
1700                 close_file(fsp,ERROR_CLOSE);
1701                 reply_doserror(req, ERRDOS, ERRnoaccess);
1702                 return;
1703         }
1704
1705         /* Save the requested allocation size. */
1706         if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
1707                 if (allocation_size && (allocation_size > file_len)) {
1708                         fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
1709                         if (fsp->is_directory) {
1710                                 close_file(fsp,ERROR_CLOSE);
1711                                 /* Can't set allocation size on a directory. */
1712                                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1713                                 return;
1714                         }
1715                         if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1716                                 close_file(fsp,ERROR_CLOSE);
1717                                 reply_nterror(req, NT_STATUS_DISK_FULL);
1718                                 return;
1719                         }
1720                 } else {
1721                         fsp->initial_allocation_size = smb_roundup(fsp->conn, (SMB_BIG_UINT)file_len);
1722                 }
1723         }
1724
1725         /*
1726          * If the caller set the extended oplock request bit
1727          * and we granted one (by whatever means) - set the
1728          * correct bit for extended oplock reply.
1729          */
1730
1731         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1732                 extended_oplock_granted = True;
1733         }
1734
1735         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1736                 extended_oplock_granted = True;
1737         }
1738
1739         /* Realloc the size of parameters and data we will return */
1740         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1741                 /* Extended response is 32 more byyes. */
1742                 param_len = 101;
1743         } else {
1744                 param_len = 69;
1745         }
1746         params = nttrans_realloc(ppparams, param_len);
1747         if(params == NULL) {
1748                 reply_doserror(req, ERRDOS, ERRnomem);
1749                 return;
1750         }
1751
1752         p = params;
1753         if (extended_oplock_granted) {
1754                 if (flags & REQUEST_BATCH_OPLOCK) {
1755                         SCVAL(p,0, BATCH_OPLOCK_RETURN);
1756                 } else {
1757                         SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
1758                 }
1759         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1760                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
1761         } else {
1762                 SCVAL(p,0,NO_OPLOCK_RETURN);
1763         }
1764
1765         p += 2;
1766         SSVAL(p,0,fsp->fnum);
1767         p += 2;
1768         if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
1769                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1770         } else {
1771                 SIVAL(p,0,info);
1772         }
1773         p += 8;
1774
1775         /* Create time. */
1776         c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1777         a_timespec = get_atimespec(&sbuf);
1778         m_timespec = get_mtimespec(&sbuf);
1779
1780         if (lp_dos_filetime_resolution(SNUM(conn))) {
1781                 dos_filetime_timespec(&c_timespec);
1782                 dos_filetime_timespec(&a_timespec);
1783                 dos_filetime_timespec(&m_timespec);
1784         }
1785
1786         put_long_date_timespec(p, c_timespec); /* create time. */
1787         p += 8;
1788         put_long_date_timespec(p, a_timespec); /* access time */
1789         p += 8;
1790         put_long_date_timespec(p, m_timespec); /* write time */
1791         p += 8;
1792         put_long_date_timespec(p, m_timespec); /* change time */
1793         p += 8;
1794         SIVAL(p,0,fattr); /* File Attributes. */
1795         p += 4;
1796         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1797         p += 8;
1798         SOFF_T(p,0,file_len);
1799         p += 8;
1800         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1801                 SSVAL(p,2,0x7);
1802         }
1803         p += 4;
1804         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1805
1806         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1807                 uint32 perms = 0;
1808                 p += 25;
1809                 if (fsp->is_directory || can_write_to_file(conn, fname, &sbuf)) {
1810                         perms = FILE_GENERIC_ALL;
1811                 } else {
1812                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
1813                 }
1814                 SIVAL(p,0,perms);
1815         }
1816
1817         DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
1818
1819         /* Send the required number of replies */
1820         send_nt_replies(req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1821
1822         return;
1823 }
1824
1825 /****************************************************************************
1826  Reply to a NT CANCEL request.
1827  conn POINTER CAN BE NULL HERE !
1828 ****************************************************************************/
1829
1830 void reply_ntcancel(connection_struct *conn, struct smb_request *req)
1831 {
1832         /*
1833          * Go through and cancel any pending change notifies.
1834          */
1835
1836         START_PROFILE(SMBntcancel);
1837         remove_pending_change_notify_requests_by_mid(req->mid);
1838         remove_pending_lock_requests_by_mid(req->mid);
1839         srv_cancel_sign_response(req->mid);
1840
1841         DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1842
1843         END_PROFILE(SMBntcancel);
1844         return;
1845 }
1846
1847 /****************************************************************************
1848  Copy a file.
1849 ****************************************************************************/
1850
1851 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1852                                 connection_struct *conn,
1853                                 struct smb_request *req,
1854                                 const char *oldname_in,
1855                                 const char *newname_in,
1856                                 uint32 attrs)
1857 {
1858         SMB_STRUCT_STAT sbuf1, sbuf2;
1859         char *oldname = NULL;
1860         char *newname = NULL;
1861         char *last_component_oldname = NULL;
1862         char *last_component_newname = NULL;
1863         files_struct *fsp1,*fsp2;
1864         uint32 fattr;
1865         int info;
1866         SMB_OFF_T ret=-1;
1867         NTSTATUS status = NT_STATUS_OK;
1868
1869         ZERO_STRUCT(sbuf1);
1870         ZERO_STRUCT(sbuf2);
1871
1872         if (!CAN_WRITE(conn)) {
1873                 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1874         }
1875
1876         status = unix_convert(ctx, conn, oldname_in, False, &oldname,
1877                         &last_component_oldname, &sbuf1);
1878         if (!NT_STATUS_IS_OK(status)) {
1879                 return status;
1880         }
1881
1882         status = check_name(conn, oldname);
1883         if (!NT_STATUS_IS_OK(status)) {
1884                 return status;
1885         }
1886
1887         /* Source must already exist. */
1888         if (!VALID_STAT(sbuf1)) {
1889                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1890         }
1891         /* Ensure attributes match. */
1892         fattr = dos_mode(conn,oldname,&sbuf1);
1893         if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1894                 return NT_STATUS_NO_SUCH_FILE;
1895         }
1896
1897         status = unix_convert(ctx, conn, newname_in, False, &newname,
1898                         &last_component_newname, &sbuf2);
1899         if (!NT_STATUS_IS_OK(status)) {
1900                 return status;
1901         }
1902
1903         status = check_name(conn, newname);
1904         if (!NT_STATUS_IS_OK(status)) {
1905                 return status;
1906         }
1907
1908         /* Disallow if newname already exists. */
1909         if (VALID_STAT(sbuf2)) {
1910                 return NT_STATUS_OBJECT_NAME_COLLISION;
1911         }
1912
1913         /* No links from a directory. */
1914         if (S_ISDIR(sbuf1.st_mode)) {
1915                 return NT_STATUS_FILE_IS_A_DIRECTORY;
1916         }
1917
1918         /* Ensure this is within the share. */
1919         status = check_reduced_name(conn, oldname);
1920         if (!NT_STATUS_IS_OK(status)) {
1921                 return status;
1922         }
1923
1924         DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1925                                 oldname, newname));
1926
1927         status = open_file_ntcreate(conn, req, oldname, &sbuf1,
1928                         FILE_READ_DATA, /* Read-only. */
1929                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1930                         FILE_OPEN,
1931                         0, /* No create options. */
1932                         FILE_ATTRIBUTE_NORMAL,
1933                         NO_OPLOCK,
1934                         &info, &fsp1);
1935
1936         if (!NT_STATUS_IS_OK(status)) {
1937                 return status;
1938         }
1939
1940         status = open_file_ntcreate(conn, req, newname, &sbuf2,
1941                         FILE_WRITE_DATA, /* Read-only. */
1942                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1943                         FILE_CREATE,
1944                         0, /* No create options. */
1945                         fattr,
1946                         NO_OPLOCK,
1947                         &info, &fsp2);
1948
1949         if (!NT_STATUS_IS_OK(status)) {
1950                 close_file(fsp1,ERROR_CLOSE);
1951                 return status;
1952         }
1953
1954         if (sbuf1.st_size) {
1955                 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1956         }
1957
1958         /*
1959          * As we are opening fsp1 read-only we only expect
1960          * an error on close on fsp2 if we are out of space.
1961          * Thus we don't look at the error return from the
1962          * close of fsp1.
1963          */
1964         close_file(fsp1,NORMAL_CLOSE);
1965
1966         /* Ensure the modtime is set correctly on the destination file. */
1967         fsp_set_pending_modtime(fsp2, get_mtimespec(&sbuf1));
1968
1969         status = close_file(fsp2,NORMAL_CLOSE);
1970
1971         /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1972            creates the file. This isn't the correct thing to do in the copy
1973            case. JRA */
1974         file_set_dosmode(conn, newname, fattr, &sbuf2,
1975                          parent_dirname(newname),false);
1976
1977         if (ret < (SMB_OFF_T)sbuf1.st_size) {
1978                 return NT_STATUS_DISK_FULL;
1979         }
1980
1981         if (!NT_STATUS_IS_OK(status)) {
1982                 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1983                         nt_errstr(status), oldname, newname));
1984         }
1985         return status;
1986 }
1987
1988 /****************************************************************************
1989  Reply to a NT rename request.
1990 ****************************************************************************/
1991
1992 void reply_ntrename(connection_struct *conn, struct smb_request *req)
1993 {
1994         char *oldname = NULL;
1995         char *newname = NULL;
1996         char *p;
1997         NTSTATUS status;
1998         bool src_has_wcard = False;
1999         bool dest_has_wcard = False;
2000         uint32 attrs;
2001         uint16 rename_type;
2002         TALLOC_CTX *ctx = talloc_tos();
2003
2004         START_PROFILE(SMBntrename);
2005
2006         if (req->wct < 4) {
2007                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2008                 END_PROFILE(SMBntrename);
2009                 return;
2010         }
2011
2012         attrs = SVAL(req->inbuf,smb_vwv0);
2013         rename_type = SVAL(req->inbuf,smb_vwv1);
2014
2015         p = smb_buf(req->inbuf) + 1;
2016         p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &oldname, p,
2017                                    0, STR_TERMINATE, &status,
2018                                    &src_has_wcard);
2019         if (!NT_STATUS_IS_OK(status)) {
2020                 reply_nterror(req, status);
2021                 END_PROFILE(SMBntrename);
2022                 return;
2023         }
2024
2025         if( is_ntfs_stream_name(oldname)) {
2026                 /* Can't rename a stream. */
2027                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2028                 END_PROFILE(SMBntrename);
2029                 return;
2030         }
2031
2032         if (ms_has_wild(oldname)) {
2033                 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
2034                 END_PROFILE(SMBntrename);
2035                 return;
2036         }
2037
2038         p++;
2039         p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &newname, p,
2040                                    0, STR_TERMINATE, &status,
2041                                    &dest_has_wcard);
2042         if (!NT_STATUS_IS_OK(status)) {
2043                 reply_nterror(req, status);
2044                 END_PROFILE(SMBntrename);
2045                 return;
2046         }
2047
2048         status = resolve_dfspath(ctx, conn,
2049                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
2050                                 oldname,
2051                                 &oldname);
2052         if (!NT_STATUS_IS_OK(status)) {
2053                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
2054                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
2055                                         ERRSRV, ERRbadpath);
2056                         END_PROFILE(SMBntrename);
2057                         return;
2058                 }
2059                 reply_nterror(req, status);
2060                 END_PROFILE(SMBntrename);
2061                 return;
2062         }
2063
2064         status = resolve_dfspath(ctx, conn,
2065                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
2066                                 newname,
2067                                 &newname);
2068         if (!NT_STATUS_IS_OK(status)) {
2069                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
2070                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
2071                                         ERRSRV, ERRbadpath);
2072                         END_PROFILE(SMBntrename);
2073                         return;
2074                 }
2075                 reply_nterror(req, status);
2076                 END_PROFILE(SMBntrename);
2077                 return;
2078         }
2079
2080         DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
2081
2082         switch(rename_type) {
2083                 case RENAME_FLAG_RENAME:
2084                         status = rename_internals(ctx, conn, req, oldname,
2085                                         newname, attrs, False, src_has_wcard,
2086                                         dest_has_wcard);
2087                         break;
2088                 case RENAME_FLAG_HARD_LINK:
2089                         if (src_has_wcard || dest_has_wcard) {
2090                                 /* No wildcards. */
2091                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
2092                         } else {
2093                                 status = hardlink_internals(ctx,
2094                                                 conn,
2095                                                 oldname,
2096                                                 newname);
2097                         }
2098                         break;
2099                 case RENAME_FLAG_COPY:
2100                         if (src_has_wcard || dest_has_wcard) {
2101                                 /* No wildcards. */
2102                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
2103                         } else {
2104                                 status = copy_internals(ctx, conn, req, oldname,
2105                                                         newname, attrs);
2106                         }
2107                         break;
2108                 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
2109                         status = NT_STATUS_INVALID_PARAMETER;
2110                         break;
2111                 default:
2112                         status = NT_STATUS_ACCESS_DENIED; /* Default error. */
2113                         break;
2114         }
2115
2116         if (!NT_STATUS_IS_OK(status)) {
2117                 if (open_was_deferred(req->mid)) {
2118                         /* We have re-scheduled this call. */
2119                         END_PROFILE(SMBntrename);
2120                         return;
2121                 }
2122
2123                 reply_nterror(req, status);
2124                 END_PROFILE(SMBntrename);
2125                 return;
2126         }
2127
2128         reply_outbuf(req, 0, 0);
2129
2130         END_PROFILE(SMBntrename);
2131         return;
2132 }
2133
2134 /****************************************************************************
2135  Reply to a notify change - queue the request and
2136  don't allow a directory to be opened.
2137 ****************************************************************************/
2138
2139 static void call_nt_transact_notify_change(connection_struct *conn,
2140                                            struct smb_request *req,
2141                                            uint16 **ppsetup,
2142                                            uint32 setup_count,
2143                                            char **ppparams,
2144                                            uint32 parameter_count,
2145                                            char **ppdata, uint32 data_count,
2146                                            uint32 max_data_count,
2147                                            uint32 max_param_count)
2148 {
2149         uint16 *setup = *ppsetup;
2150         files_struct *fsp;
2151         uint32 filter;
2152         NTSTATUS status;
2153         bool recursive;
2154
2155         if(setup_count < 6) {
2156                 reply_doserror(req, ERRDOS, ERRbadfunc);
2157                 return;
2158         }
2159
2160         fsp = file_fsp(SVAL(setup,4));
2161         filter = IVAL(setup, 0);
2162         recursive = (SVAL(setup, 6) != 0) ? True : False;
2163
2164         DEBUG(3,("call_nt_transact_notify_change\n"));
2165
2166         if(!fsp) {
2167                 reply_doserror(req, ERRDOS, ERRbadfid);
2168                 return;
2169         }
2170
2171         {
2172                 char *filter_string;
2173
2174                 if (!(filter_string = notify_filter_string(NULL, filter))) {
2175                         reply_nterror(req,NT_STATUS_NO_MEMORY);
2176                         return;
2177                 }
2178
2179                 DEBUG(3,("call_nt_transact_notify_change: notify change "
2180                          "called on %s, filter = %s, recursive = %d\n",
2181                          fsp->fsp_name, filter_string, recursive));
2182
2183                 TALLOC_FREE(filter_string);
2184         }
2185
2186         if((!fsp->is_directory) || (conn != fsp->conn)) {
2187                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2188                 return;
2189         }
2190
2191         if (fsp->notify == NULL) {
2192
2193                 status = change_notify_create(fsp, filter, recursive);
2194
2195                 if (!NT_STATUS_IS_OK(status)) {
2196                         DEBUG(10, ("change_notify_create returned %s\n",
2197                                    nt_errstr(status)));
2198                         reply_nterror(req, status);
2199                         return;
2200                 }
2201         }
2202
2203         if (fsp->notify->num_changes != 0) {
2204
2205                 /*
2206                  * We've got changes pending, respond immediately
2207                  */
2208
2209                 /*
2210                  * TODO: write a torture test to check the filtering behaviour
2211                  * here.
2212                  */
2213
2214                 change_notify_reply(req->inbuf, max_param_count, fsp->notify);
2215
2216                 /*
2217                  * change_notify_reply() above has independently sent its
2218                  * results
2219                  */
2220                 return;
2221         }
2222
2223         /*
2224          * No changes pending, queue the request
2225          */
2226
2227         status = change_notify_add_request(req->inbuf, max_param_count, filter,
2228                         recursive, fsp);
2229         if (!NT_STATUS_IS_OK(status)) {
2230                 reply_nterror(req, status);
2231         }
2232         return;
2233 }
2234
2235 /****************************************************************************
2236  Reply to an NT transact rename command.
2237 ****************************************************************************/
2238
2239 static void call_nt_transact_rename(connection_struct *conn,
2240                                     struct smb_request *req,
2241                                     uint16 **ppsetup, uint32 setup_count,
2242                                     char **ppparams, uint32 parameter_count,
2243                                     char **ppdata, uint32 data_count,
2244                                     uint32 max_data_count)
2245 {
2246         char *params = *ppparams;
2247         char *new_name = NULL;
2248         files_struct *fsp = NULL;
2249         bool replace_if_exists = False;
2250         bool dest_has_wcard = False;
2251         NTSTATUS status;
2252         TALLOC_CTX *ctx = talloc_tos();
2253
2254         if(parameter_count < 5) {
2255                 reply_doserror(req, ERRDOS, ERRbadfunc);
2256                 return;
2257         }
2258
2259         fsp = file_fsp(SVAL(params, 0));
2260         replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
2261         if (!check_fsp(conn, req, fsp, &current_user)) {
2262                 return;
2263         }
2264         srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
2265                               parameter_count - 4,
2266                               STR_TERMINATE, &status, &dest_has_wcard);
2267         if (!NT_STATUS_IS_OK(status)) {
2268                 reply_nterror(req, status);
2269                 return;
2270         }
2271
2272         status = rename_internals(ctx,
2273                         conn,
2274                         req,
2275                         fsp->fsp_name,
2276                         new_name,
2277                         0,
2278                         replace_if_exists,
2279                         False,
2280                         dest_has_wcard);
2281
2282         if (!NT_STATUS_IS_OK(status)) {
2283                 if (open_was_deferred(req->mid)) {
2284                         /* We have re-scheduled this call. */
2285                         return;
2286                 }
2287                 reply_nterror(req, status);
2288                 return;
2289         }
2290
2291         /*
2292          * Rename was successful.
2293          */
2294         send_nt_replies(req, NT_STATUS_OK, NULL, 0, NULL, 0);
2295
2296         DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
2297                  fsp->fsp_name, new_name));
2298
2299         return;
2300 }
2301
2302 /******************************************************************************
2303  Fake up a completely empty SD.
2304 *******************************************************************************/
2305
2306 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
2307 {
2308         size_t sd_size;
2309
2310         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
2311         if(!*ppsd) {
2312                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
2313                 return NT_STATUS_NO_MEMORY;
2314         }
2315
2316         return NT_STATUS_OK;
2317 }
2318
2319 /****************************************************************************
2320  Reply to query a security descriptor.
2321 ****************************************************************************/
2322
2323 static void call_nt_transact_query_security_desc(connection_struct *conn,
2324                                                  struct smb_request *req,
2325                                                  uint16 **ppsetup,
2326                                                  uint32 setup_count,
2327                                                  char **ppparams,
2328                                                  uint32 parameter_count,
2329                                                  char **ppdata,
2330                                                  uint32 data_count,
2331                                                  uint32 max_data_count)
2332 {
2333         char *params = *ppparams;
2334         char *data = *ppdata;
2335         prs_struct pd;
2336         SEC_DESC *psd = NULL;
2337         size_t sd_size;
2338         uint32 security_info_wanted;
2339         TALLOC_CTX *mem_ctx;
2340         files_struct *fsp = NULL;
2341         NTSTATUS status;
2342
2343         if(parameter_count < 8) {
2344                 reply_doserror(req, ERRDOS, ERRbadfunc);
2345                 return;
2346         }
2347
2348         fsp = file_fsp(SVAL(params,0));
2349         if(!fsp) {
2350                 reply_doserror(req, ERRDOS, ERRbadfid);
2351                 return;
2352         }
2353
2354         security_info_wanted = IVAL(params,4);
2355
2356         DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
2357                         (unsigned int)security_info_wanted ));
2358
2359         params = nttrans_realloc(ppparams, 4);
2360         if(params == NULL) {
2361                 reply_doserror(req, ERRDOS, ERRnomem);
2362                 return;
2363         }
2364
2365         if ((mem_ctx = talloc_init("call_nt_transact_query_security_desc")) == NULL) {
2366                 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
2367                 reply_doserror(req, ERRDOS, ERRnomem);
2368                 return;
2369         }
2370
2371         /*
2372          * Get the permissions to return.
2373          */
2374
2375         if (!lp_nt_acl_support(SNUM(conn))) {
2376                 status = get_null_nt_acl(mem_ctx, &psd);
2377         } else {
2378                 status = SMB_VFS_FGET_NT_ACL(fsp, fsp->fh->fd,
2379                                              security_info_wanted, &psd);
2380         }
2381
2382         if (!NT_STATUS_IS_OK(status)) {
2383                 talloc_destroy(mem_ctx);
2384                 reply_nterror(req, status);
2385                 return;
2386         }
2387
2388         sd_size = sec_desc_size(psd);
2389
2390         DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
2391
2392         SIVAL(params,0,(uint32)sd_size);
2393
2394         if(max_data_count < sd_size) {
2395
2396                 send_nt_replies(req, NT_STATUS_BUFFER_TOO_SMALL,
2397                                 params, 4, *ppdata, 0);
2398                 talloc_destroy(mem_ctx);
2399                 return;
2400         }
2401
2402         /*
2403          * Allocate the data we will point this at.
2404          */
2405
2406         data = nttrans_realloc(ppdata, sd_size);
2407         if(data == NULL) {
2408                 talloc_destroy(mem_ctx);
2409                 reply_doserror(req, ERRDOS, ERRnomem);
2410                 return;
2411         }
2412
2413         /*
2414          * Init the parse struct we will marshall into.
2415          */
2416
2417         prs_init(&pd, 0, mem_ctx, MARSHALL);
2418
2419         /*
2420          * Setup the prs_struct to point at the memory we just
2421          * allocated.
2422          */
2423
2424         prs_give_memory( &pd, data, (uint32)sd_size, False);
2425
2426         /*
2427          * Finally, linearize into the outgoing buffer.
2428          */
2429
2430         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
2431                 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
2432 security descriptor.\n"));
2433                 /*
2434                  * Return access denied for want of a better error message..
2435                  */
2436                 talloc_destroy(mem_ctx);
2437                 reply_unixerror(req, ERRDOS, ERRnoaccess);
2438                 return;
2439         }
2440
2441         /*
2442          * Now we can delete the security descriptor.
2443          */
2444
2445         talloc_destroy(mem_ctx);
2446
2447         send_nt_replies(req, NT_STATUS_OK, params, 4, data, (int)sd_size);
2448         return;
2449 }
2450
2451 /****************************************************************************
2452  Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2453 ****************************************************************************/
2454
2455 static void call_nt_transact_set_security_desc(connection_struct *conn,
2456                                                struct smb_request *req,
2457                                                uint16 **ppsetup,
2458                                                uint32 setup_count,
2459                                                char **ppparams,
2460                                                uint32 parameter_count,
2461                                                char **ppdata,
2462                                                uint32 data_count,
2463                                                uint32 max_data_count)
2464 {
2465         char *params= *ppparams;
2466         char *data = *ppdata;
2467         files_struct *fsp = NULL;
2468         uint32 security_info_sent = 0;
2469         NTSTATUS nt_status;
2470
2471         if(parameter_count < 8) {
2472                 reply_doserror(req, ERRDOS, ERRbadfunc);
2473                 return;
2474         }
2475
2476         if((fsp = file_fsp(SVAL(params,0))) == NULL) {
2477                 reply_doserror(req, ERRDOS, ERRbadfid);
2478                 return;
2479         }
2480
2481         if(!lp_nt_acl_support(SNUM(conn))) {
2482                 goto done;
2483         }
2484
2485         security_info_sent = IVAL(params,4);
2486
2487         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
2488                 (unsigned int)security_info_sent ));
2489
2490         if (data_count == 0) {
2491                 reply_doserror(req, ERRDOS, ERRnoaccess);
2492                 return;
2493         }
2494
2495         if (!NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, data_count, security_info_sent))) {
2496                 reply_nterror(req, nt_status);
2497                 return;
2498         }
2499
2500   done:
2501
2502         send_nt_replies(req, NT_STATUS_OK, NULL, 0, NULL, 0);
2503         return;
2504 }
2505
2506 /****************************************************************************
2507  Reply to NT IOCTL
2508 ****************************************************************************/
2509
2510 static void call_nt_transact_ioctl(connection_struct *conn,
2511                                    struct smb_request *req,
2512                                    uint16 **ppsetup, uint32 setup_count,
2513                                    char **ppparams, uint32 parameter_count,
2514                                    char **ppdata, uint32 data_count,
2515                                    uint32 max_data_count)
2516 {
2517         uint32 function;
2518         uint16 fidnum;
2519         files_struct *fsp;
2520         uint8 isFSctl;
2521         uint8 compfilter;
2522         static bool logged_message;
2523         char *pdata = *ppdata;
2524
2525         if (setup_count != 8) {
2526                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2527                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2528                 return;
2529         }
2530
2531         function = IVAL(*ppsetup, 0);
2532         fidnum = SVAL(*ppsetup, 4);
2533         isFSctl = CVAL(*ppsetup, 6);
2534         compfilter = CVAL(*ppsetup, 7);
2535
2536         DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2537                  function, fidnum, isFSctl, compfilter));
2538
2539         fsp=file_fsp(fidnum);
2540         /* this check is done in each implemented function case for now
2541            because I don't want to break anything... --metze
2542         FSP_BELONGS_CONN(fsp,conn);*/
2543
2544         switch (function) {
2545         case FSCTL_SET_SPARSE:
2546                 /* pretend this succeeded - tho strictly we should
2547                    mark the file sparse (if the local fs supports it)
2548                    so we can know if we need to pre-allocate or not */
2549
2550                 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2551                 send_nt_replies(req, NT_STATUS_OK, NULL, 0, NULL, 0);
2552                 return;
2553
2554         case FSCTL_CREATE_OR_GET_OBJECT_ID:
2555         {
2556                 unsigned char objid[16];
2557
2558                 /* This should return the object-id on this file.
2559                  * I think I'll make this be the inode+dev. JRA.
2560                  */
2561
2562                 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
2563
2564                 if (!fsp_belongs_conn(conn, req, fsp, &current_user)) {
2565                         return;
2566                 }
2567
2568                 data_count = 64;
2569                 pdata = nttrans_realloc(ppdata, data_count);
2570                 if (pdata == NULL) {
2571                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2572                         return;
2573                 }
2574                 push_file_id_16(pdata, &fsp->file_id);
2575                 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
2576                 push_file_id_16(pdata+32, &fsp->file_id);
2577                 send_nt_replies(req, NT_STATUS_OK, NULL, 0,
2578                                 pdata, data_count);
2579                 return;
2580         }
2581
2582         case FSCTL_GET_REPARSE_POINT:
2583                 /* pretend this fail - my winXP does it like this
2584                  * --metze
2585                  */
2586
2587                 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2588                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2589                 return;
2590
2591         case FSCTL_SET_REPARSE_POINT:
2592                 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2593                  * --metze
2594                  */
2595
2596                 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2597                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2598                 return;
2599
2600         case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2601         {
2602                 /*
2603                  * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2604                  * and return their volume names.  If max_data_count is 16, then it is just
2605                  * asking for the number of volumes and length of the combined names.
2606                  *
2607                  * pdata is the data allocated by our caller, but that uses
2608                  * total_data_count (which is 0 in our case) rather than max_data_count.
2609                  * Allocate the correct amount and return the pointer to let
2610                  * it be deallocated when we return.
2611                  */
2612                 SHADOW_COPY_DATA *shadow_data = NULL;
2613                 TALLOC_CTX *shadow_mem_ctx = NULL;
2614                 bool labels = False;
2615                 uint32 labels_data_count = 0;
2616                 uint32 i;
2617                 char *cur_pdata;
2618
2619                 if (!fsp_belongs_conn(conn, req, fsp, &current_user)) {
2620                         return;
2621                 }
2622
2623                 if (max_data_count < 16) {
2624                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2625                                 max_data_count));
2626                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2627                         return;
2628                 }
2629
2630                 if (max_data_count > 16) {
2631                         labels = True;
2632                 }
2633
2634                 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2635                 if (shadow_mem_ctx == NULL) {
2636                         DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2637                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2638                         return;
2639                 }
2640
2641                 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2642                 if (shadow_data == NULL) {
2643                         DEBUG(0,("TALLOC_ZERO() failed!\n"));
2644                         talloc_destroy(shadow_mem_ctx);
2645                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2646                         return;
2647                 }
2648
2649                 shadow_data->mem_ctx = shadow_mem_ctx;
2650
2651                 /*
2652                  * Call the VFS routine to actually do the work.
2653                  */
2654                 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2655                         talloc_destroy(shadow_data->mem_ctx);
2656                         if (errno == ENOSYS) {
2657                                 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2658                                         conn->connectpath));
2659                                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2660                                 return;
2661                         } else {
2662                                 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2663                                         conn->connectpath));
2664                                 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
2665                                 return;
2666                         }
2667                 }
2668
2669                 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2670
2671                 if (!labels) {
2672                         data_count = 16;
2673                 } else {
2674                         data_count = 12+labels_data_count+4;
2675                 }
2676
2677                 if (max_data_count<data_count) {
2678                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2679                                 max_data_count,data_count));
2680                         talloc_destroy(shadow_data->mem_ctx);
2681                         reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
2682                         return;
2683                 }
2684
2685                 pdata = nttrans_realloc(ppdata, data_count);
2686                 if (pdata == NULL) {
2687                         talloc_destroy(shadow_data->mem_ctx);
2688                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2689                         return;
2690                 }
2691
2692                 cur_pdata = pdata;
2693
2694                 /* num_volumes 4 bytes */
2695                 SIVAL(pdata,0,shadow_data->num_volumes);
2696
2697                 if (labels) {
2698                         /* num_labels 4 bytes */
2699                         SIVAL(pdata,4,shadow_data->num_volumes);
2700                 }
2701
2702                 /* needed_data_count 4 bytes */
2703                 SIVAL(pdata,8,labels_data_count);
2704
2705                 cur_pdata+=12;
2706
2707                 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2708                         shadow_data->num_volumes,fsp->fsp_name));
2709                 if (labels && shadow_data->labels) {
2710                         for (i=0;i<shadow_data->num_volumes;i++) {
2711                                 srvstr_push(pdata, req->flags2,
2712                                             cur_pdata, shadow_data->labels[i],
2713                                             2*sizeof(SHADOW_COPY_LABEL),
2714                                             STR_UNICODE|STR_TERMINATE);
2715                                 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2716                                 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2717                         }
2718                 }
2719
2720                 talloc_destroy(shadow_data->mem_ctx);
2721
2722                 send_nt_replies(req, NT_STATUS_OK, NULL, 0,
2723                                 pdata, data_count);
2724
2725                 return;
2726         }
2727
2728         case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2729         {
2730                 /* pretend this succeeded -
2731                  *
2732                  * we have to send back a list with all files owned by this SID
2733                  *
2734                  * but I have to check that --metze
2735                  */
2736                 DOM_SID sid;
2737                 uid_t uid;
2738                 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2739
2740                 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2741
2742                 if (!fsp_belongs_conn(conn, req, fsp, &current_user)) {
2743                         return;
2744                 }
2745
2746                 /* unknown 4 bytes: this is not the length of the sid :-(  */
2747                 /*unknown = IVAL(pdata,0);*/
2748
2749                 sid_parse(pdata+4,sid_len,&sid);
2750                 DEBUGADD(10,("for SID: %s\n",sid_string_static(&sid)));
2751
2752                 if (!sid_to_uid(&sid, &uid)) {
2753                         DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2754                                 sid_string_static(&sid),(unsigned long)sid_len));
2755                         uid = (-1);
2756                 }
2757
2758                 /* we can take a look at the find source :-)
2759                  *
2760                  * find ./ -uid $uid  -name '*'   is what we need here
2761                  *
2762                  *
2763                  * and send 4bytes len and then NULL terminated unicode strings
2764                  * for each file
2765                  *
2766                  * but I don't know how to deal with the paged results
2767                  * (maybe we can hang the result anywhere in the fsp struct)
2768                  *
2769                  * we don't send all files at once
2770                  * and at the next we should *not* start from the beginning,
2771                  * so we have to cache the result
2772                  *
2773                  * --metze
2774                  */
2775
2776                 /* this works for now... */
2777                 send_nt_replies(req, NT_STATUS_OK, NULL, 0, NULL, 0);
2778                 return;
2779         }
2780         default:
2781                 if (!logged_message) {
2782                         logged_message = True; /* Only print this once... */
2783                         DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2784                                  function));
2785                 }
2786         }
2787
2788         reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2789 }
2790
2791
2792 #ifdef HAVE_SYS_QUOTAS
2793 /****************************************************************************
2794  Reply to get user quota
2795 ****************************************************************************/
2796
2797 static void call_nt_transact_get_user_quota(connection_struct *conn,
2798                                             struct smb_request *req,
2799                                             uint16 **ppsetup,
2800                                             uint32 setup_count,
2801                                             char **ppparams,
2802                                             uint32 parameter_count,
2803                                             char **ppdata,
2804                                             uint32 data_count,
2805                                             uint32 max_data_count)
2806 {
2807         NTSTATUS nt_status = NT_STATUS_OK;
2808         char *params = *ppparams;
2809         char *pdata = *ppdata;
2810         char *entry;
2811         int data_len=0,param_len=0;
2812         int qt_len=0;
2813         int entry_len = 0;
2814         files_struct *fsp = NULL;
2815         uint16 level = 0;
2816         size_t sid_len;
2817         DOM_SID sid;
2818         bool start_enum = True;
2819         SMB_NTQUOTA_STRUCT qt;
2820         SMB_NTQUOTA_LIST *tmp_list;
2821         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2822
2823         ZERO_STRUCT(qt);
2824
2825         /* access check */
2826         if (current_user.ut.uid != 0) {
2827                 DEBUG(1,("get_user_quota: access_denied service [%s] user [%s]\n",
2828                         lp_servicename(SNUM(conn)),conn->user));
2829                 reply_doserror(req, ERRDOS, ERRnoaccess);
2830                 return;
2831         }
2832
2833         /*
2834          * Ensure minimum number of parameters sent.
2835          */
2836
2837         if (parameter_count < 4) {
2838                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2839                 reply_doserror(req, ERRDOS, ERRinvalidparam);
2840                 return;
2841         }
2842
2843         /* maybe we can check the quota_fnum */
2844         fsp = file_fsp(SVAL(params,0));
2845         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2846                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2847                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2848                 return;
2849         }
2850
2851         /* the NULL pointer checking for fsp->fake_file_handle->pd
2852          * is done by CHECK_NTQUOTA_HANDLE_OK()
2853          */
2854         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
2855
2856         level = SVAL(params,2);
2857
2858         /* unknown 12 bytes leading in params */
2859
2860         switch (level) {
2861                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2862                         /* seems that we should continue with the enum here --metze */
2863
2864                         if (qt_handle->quota_list!=NULL &&
2865                             qt_handle->tmp_list==NULL) {
2866
2867                                 /* free the list */
2868                                 free_ntquota_list(&(qt_handle->quota_list));
2869
2870                                 /* Realloc the size of parameters and data we will return */
2871                                 param_len = 4;
2872                                 params = nttrans_realloc(ppparams, param_len);
2873                                 if(params == NULL) {
2874                                         reply_doserror(req, ERRDOS, ERRnomem);
2875                                         return;
2876                                 }
2877
2878                                 data_len = 0;
2879                                 SIVAL(params,0,data_len);
2880
2881                                 break;
2882                         }
2883
2884                         start_enum = False;
2885
2886                 case TRANSACT_GET_USER_QUOTA_LIST_START:
2887
2888                         if (qt_handle->quota_list==NULL &&
2889                                 qt_handle->tmp_list==NULL) {
2890                                 start_enum = True;
2891                         }
2892
2893                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2894                                 reply_doserror(req, ERRSRV, ERRerror);
2895                                 return;
2896                         }
2897
2898                         /* Realloc the size of parameters and data we will return */
2899                         param_len = 4;
2900                         params = nttrans_realloc(ppparams, param_len);
2901                         if(params == NULL) {
2902                                 reply_doserror(req, ERRDOS, ERRnomem);
2903                                 return;
2904                         }
2905
2906                         /* we should not trust the value in max_data_count*/
2907                         max_data_count = MIN(max_data_count,2048);
2908
2909                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2910                         if(pdata == NULL) {
2911                                 reply_doserror(req, ERRDOS, ERRnomem);
2912                                 return;
2913                         }
2914
2915                         entry = pdata;
2916
2917                         /* set params Size of returned Quota Data 4 bytes*/
2918                         /* but set it later when we know it */
2919
2920                         /* for each entry push the data */
2921
2922                         if (start_enum) {
2923                                 qt_handle->tmp_list = qt_handle->quota_list;
2924                         }
2925
2926                         tmp_list = qt_handle->tmp_list;
2927
2928                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2929                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2930
2931                                 sid_len = sid_size(&tmp_list->quotas->sid);
2932                                 entry_len = 40 + sid_len;
2933
2934                                 /* nextoffset entry 4 bytes */
2935                                 SIVAL(entry,0,entry_len);
2936
2937                                 /* then the len of the SID 4 bytes */
2938                                 SIVAL(entry,4,sid_len);
2939
2940                                 /* unknown data 8 bytes SMB_BIG_UINT */
2941                                 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2942
2943                                 /* the used disk space 8 bytes SMB_BIG_UINT */
2944                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2945
2946                                 /* the soft quotas 8 bytes SMB_BIG_UINT */
2947                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2948
2949                                 /* the hard quotas 8 bytes SMB_BIG_UINT */
2950                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2951
2952                                 /* and now the SID */
2953                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2954                         }
2955
2956                         qt_handle->tmp_list = tmp_list;
2957
2958                         /* overwrite the offset of the last entry */
2959                         SIVAL(entry-entry_len,0,0);
2960
2961                         data_len = 4+qt_len;
2962                         /* overwrite the params quota_data_len */
2963                         SIVAL(params,0,data_len);
2964
2965                         break;
2966
2967                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2968
2969                         /* unknown 4 bytes IVAL(pdata,0) */
2970
2971                         if (data_count < 8) {
2972                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2973                                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2974                                 return;
2975                         }
2976
2977                         sid_len = IVAL(pdata,4);
2978                         /* Ensure this is less than 1mb. */
2979                         if (sid_len > (1024*1024)) {
2980                                 reply_doserror(req, ERRDOS, ERRnomem);
2981                                 return;
2982                         }
2983
2984                         if (data_count < 8+sid_len) {
2985                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2986                                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2987                                 return;
2988                         }
2989
2990                         data_len = 4+40+sid_len;
2991
2992                         if (max_data_count < data_len) {
2993                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2994                                         max_data_count, data_len));
2995                                 param_len = 4;
2996                                 SIVAL(params,0,data_len);
2997                                 data_len = 0;
2998                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2999                                 break;
3000                         }
3001
3002                         sid_parse(pdata+8,sid_len,&sid);
3003
3004                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
3005                                 ZERO_STRUCT(qt);
3006                                 /*
3007                                  * we have to return zero's in all fields
3008                                  * instead of returning an error here
3009                                  * --metze
3010                                  */
3011                         }
3012
3013                         /* Realloc the size of parameters and data we will return */
3014                         param_len = 4;
3015                         params = nttrans_realloc(ppparams, param_len);
3016                         if(params == NULL) {
3017                                 reply_doserror(req, ERRDOS, ERRnomem);
3018                                 return;
3019                         }
3020
3021                         pdata = nttrans_realloc(ppdata, data_len);
3022                         if(pdata == NULL) {
3023                                 reply_doserror(req, ERRDOS, ERRnomem);
3024                                 return;
3025                         }
3026
3027                         entry = pdata;
3028
3029                         /* set params Size of returned Quota Data 4 bytes*/
3030                         SIVAL(params,0,data_len);
3031
3032                         /* nextoffset entry 4 bytes */
3033                         SIVAL(entry,0,0);
3034
3035                         /* then the len of the SID 4 bytes */
3036                         SIVAL(entry,4,sid_len);
3037
3038                         /* unknown data 8 bytes SMB_BIG_UINT */
3039                         SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
3040
3041                         /* the used disk space 8 bytes SMB_BIG_UINT */
3042                         SBIG_UINT(entry,16,qt.usedspace);
3043
3044                         /* the soft quotas 8 bytes SMB_BIG_UINT */
3045                         SBIG_UINT(entry,24,qt.softlim);
3046
3047                         /* the hard quotas 8 bytes SMB_BIG_UINT */
3048                         SBIG_UINT(entry,32,qt.hardlim);
3049
3050                         /* and now the SID */
3051                         sid_linearize(entry+40, sid_len, &sid);
3052
3053                         break;
3054
3055                 default:
3056                         DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
3057                         reply_doserror(req, ERRSRV, ERRerror);
3058                         return;
3059                         break;
3060         }
3061
3062         send_nt_replies(req, nt_status, params, param_len,
3063                         pdata, data_len);
3064 }
3065
3066 /****************************************************************************
3067  Reply to set user quota
3068 ****************************************************************************/
3069
3070 static void call_nt_transact_set_user_quota(connection_struct *conn,
3071                                             struct smb_request *req,
3072                                             uint16 **ppsetup,
3073                                             uint32 setup_count,
3074                                             char **ppparams,
3075                                             uint32 parameter_count,
3076                                             char **ppdata,
3077                                             uint32 data_count,
3078                                             uint32 max_data_count)
3079 {
3080         char *params = *ppparams;
3081         char *pdata = *ppdata;
3082         int data_len=0,param_len=0;
3083         SMB_NTQUOTA_STRUCT qt;
3084         size_t sid_len;
3085         DOM_SID sid;
3086         files_struct *fsp = NULL;
3087
3088         ZERO_STRUCT(qt);
3089
3090         /* access check */
3091         if (current_user.ut.uid != 0) {
3092                 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
3093                         lp_servicename(SNUM(conn)),conn->user));
3094                 reply_doserror(req, ERRDOS, ERRnoaccess);
3095                 return;
3096         }
3097
3098         /*
3099          * Ensure minimum number of parameters sent.
3100          */
3101
3102         if (parameter_count < 2) {
3103                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
3104                 reply_doserror(req, ERRDOS, ERRinvalidparam);
3105                 return;
3106         }
3107
3108         /* maybe we can check the quota_fnum */
3109         fsp = file_fsp(SVAL(params,0));
3110         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
3111                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
3112                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
3113                 return;
3114         }
3115
3116         if (data_count < 40) {
3117                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
3118                 reply_doserror(req, ERRDOS, ERRunknownlevel);
3119                 return;
3120         }
3121
3122         /* offset to next quota record.
3123          * 4 bytes IVAL(pdata,0)
3124          * unused here...
3125          */
3126
3127         /* sid len */
3128         sid_len = IVAL(pdata,4);
3129
3130         if (data_count < 40+sid_len) {
3131                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
3132                 reply_doserror(req, ERRDOS, ERRunknownlevel);
3133                 return;
3134         }
3135
3136         /* unknown 8 bytes in pdata
3137          * maybe its the change time in NTTIME
3138          */
3139
3140         /* the used space 8 bytes (SMB_BIG_UINT)*/
3141         qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
3142 #ifdef LARGE_SMB_OFF_T
3143         qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
3144 #else /* LARGE_SMB_OFF_T */
3145         if ((IVAL(pdata,20) != 0)&&
3146                 ((qt.usedspace != 0xFFFFFFFF)||
3147                 (IVAL(pdata,20)!=0xFFFFFFFF))) {
3148                 /* more than 32 bits? */
3149                 reply_doserror(req, ERRDOS, ERRunknownlevel);
3150                 return;
3151         }
3152 #endif /* LARGE_SMB_OFF_T */
3153
3154         /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
3155         qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
3156 #ifdef LARGE_SMB_OFF_T
3157         qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
3158 #else /* LARGE_SMB_OFF_T */
3159         if ((IVAL(pdata,28) != 0)&&
3160                 ((qt.softlim != 0xFFFFFFFF)||
3161                 (IVAL(pdata,28)!=0xFFFFFFFF))) {
3162                 /* more than 32 bits? */
3163                 reply_doserror(req, ERRDOS, ERRunknownlevel);
3164                 return;
3165         }
3166 #endif /* LARGE_SMB_OFF_T */
3167
3168         /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
3169         qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
3170 #ifdef LARGE_SMB_OFF_T
3171         qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
3172 #else /* LARGE_SMB_OFF_T */
3173         if ((IVAL(pdata,36) != 0)&&
3174                 ((qt.hardlim != 0xFFFFFFFF)||
3175                 (IVAL(pdata,36)!=0xFFFFFFFF))) {
3176                 /* more than 32 bits? */
3177                 reply_doserror(req, ERRDOS, ERRunknownlevel);
3178                 return;
3179         }
3180 #endif /* LARGE_SMB_OFF_T */
3181
3182         sid_parse(pdata+40,sid_len,&sid);
3183         DEBUGADD(8,("SID: %s\n",sid_string_static(&sid)));
3184
3185         /* 44 unknown bytes left... */
3186
3187         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
3188                 reply_doserror(req, ERRSRV, ERRerror);
3189                 return;
3190         }
3191
3192         send_nt_replies(req, NT_STATUS_OK, params, param_len,
3193                         pdata, data_len);
3194 }
3195 #endif /* HAVE_SYS_QUOTAS */
3196
3197 static void handle_nttrans(connection_struct *conn,
3198                            struct trans_state *state,
3199                            struct smb_request *req)
3200 {
3201         if (Protocol >= PROTOCOL_NT1) {
3202                 req->flags2 |= 0x40; /* IS_LONG_NAME */
3203                 SSVAL(req->inbuf,smb_flg2,req->flags2);
3204         }
3205
3206         /* Now we must call the relevant NT_TRANS function */
3207         switch(state->call) {
3208                 case NT_TRANSACT_CREATE:
3209                 {
3210                         START_PROFILE(NT_transact_create);
3211                         call_nt_transact_create(
3212                                 conn, req,
3213                                 &state->setup, state->setup_count,
3214                                 &state->param, state->total_param,
3215                                 &state->data, state->total_data,
3216                                 state->max_data_return);
3217                         END_PROFILE(NT_transact_create);
3218                         break;
3219                 }
3220
3221                 case NT_TRANSACT_IOCTL:
3222                 {
3223                         START_PROFILE(NT_transact_ioctl);
3224                         call_nt_transact_ioctl(
3225                                 conn, req,
3226                                 &state->setup, state->setup_count,
3227                                 &state->param, state->total_param,
3228                                 &state->data, state->total_data,
3229                                 state->max_data_return);
3230                         END_PROFILE(NT_transact_ioctl);
3231                         break;
3232                 }
3233
3234                 case NT_TRANSACT_SET_SECURITY_DESC:
3235                 {
3236                         START_PROFILE(NT_transact_set_security_desc);
3237                         call_nt_transact_set_security_desc(
3238                                 conn, req,
3239                                 &state->setup, state->setup_count,
3240                                 &state->param, state->total_param,
3241                                 &state->data, state->total_data,
3242                                 state->max_data_return);
3243                         END_PROFILE(NT_transact_set_security_desc);
3244                         break;
3245                 }
3246
3247                 case NT_TRANSACT_NOTIFY_CHANGE:
3248                 {
3249                         START_PROFILE(NT_transact_notify_change);
3250                         call_nt_transact_notify_change(
3251                                 conn, req,
3252                                 &state->setup, state->setup_count,
3253                                 &state->param, state->total_param,
3254                                 &state->data, state->total_data,
3255                                 state->max_data_return,
3256                                 state->max_param_return);
3257                         END_PROFILE(NT_transact_notify_change);
3258                         break;
3259                 }
3260
3261                 case NT_TRANSACT_RENAME:
3262                 {
3263                         START_PROFILE(NT_transact_rename);
3264                         call_nt_transact_rename(
3265                                 conn, req,
3266                                 &state->setup, state->setup_count,
3267                                 &state->param, state->total_param,
3268                                 &state->data, state->total_data,
3269                                 state->max_data_return);
3270                         END_PROFILE(NT_transact_rename);
3271                         break;
3272                 }
3273
3274                 case NT_TRANSACT_QUERY_SECURITY_DESC:
3275                 {
3276                         START_PROFILE(NT_transact_query_security_desc);
3277                         call_nt_transact_query_security_desc(
3278                                 conn, req,
3279                                 &state->setup, state->setup_count,
3280                                 &state->param, state->total_param,
3281                                 &state->data, state->total_data,
3282                                 state->max_data_return);
3283                         END_PROFILE(NT_transact_query_security_desc);
3284                         break;
3285                 }
3286
3287 #ifdef HAVE_SYS_QUOTAS
3288                 case NT_TRANSACT_GET_USER_QUOTA:
3289                 {
3290                         START_PROFILE(NT_transact_get_user_quota);
3291                         call_nt_transact_get_user_quota(
3292                                 conn, req,
3293                                 &state->setup, state->setup_count,
3294                                 &state->param, state->total_param,
3295                                 &state->data, state->total_data,
3296                                 state->max_data_return);
3297                         END_PROFILE(NT_transact_get_user_quota);
3298                         break;
3299                 }
3300
3301                 case NT_TRANSACT_SET_USER_QUOTA:
3302                 {
3303                         START_PROFILE(NT_transact_set_user_quota);
3304                         call_nt_transact_set_user_quota(
3305                                 conn, req,
3306                                 &state->setup, state->setup_count,
3307                                 &state->param, state->total_param,
3308                                 &state->data, state->total_data,
3309                                 state->max_data_return);
3310                         END_PROFILE(NT_transact_set_user_quota);
3311                         break;
3312                 }
3313 #endif /* HAVE_SYS_QUOTAS */
3314
3315                 default:
3316                         /* Error in request */
3317                         DEBUG(0,("handle_nttrans: Unknown request %d in "
3318                                  "nttrans call\n", state->call));
3319                         reply_doserror(req, ERRSRV, ERRerror);
3320                         return;
3321         }
3322         return;
3323 }
3324
3325 /****************************************************************************
3326  Reply to a SMBNTtrans.
3327 ****************************************************************************/
3328
3329 void reply_nttrans(connection_struct *conn, struct smb_request *req)
3330 {
3331         uint32 pscnt;
3332         uint32 psoff;
3333         uint32 dscnt;
3334         uint32 dsoff;
3335         uint16 function_code;
3336         NTSTATUS result;
3337         struct trans_state *state;
3338         int size;
3339
3340         START_PROFILE(SMBnttrans);
3341
3342         if (req->wct < 19) {
3343                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3344                 END_PROFILE(SMBnttrans);
3345                 return;
3346         }
3347
3348         size = smb_len(req->inbuf) + 4;
3349         pscnt = IVAL(req->inbuf,smb_nt_ParameterCount);
3350         psoff = IVAL(req->inbuf,smb_nt_ParameterOffset);
3351         dscnt = IVAL(req->inbuf,smb_nt_DataCount);
3352         dsoff = IVAL(req->inbuf,smb_nt_DataOffset);
3353         function_code = SVAL(req->inbuf, smb_nt_Function);
3354
3355         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
3356                 reply_doserror(req, ERRSRV, ERRaccess);
3357                 END_PROFILE(SMBnttrans);
3358                 return;
3359         }
3360
3361         result = allow_new_trans(conn->pending_trans, req->mid);
3362         if (!NT_STATUS_IS_OK(result)) {
3363                 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
3364                 reply_nterror(req, result);
3365                 END_PROFILE(SMBnttrans);
3366                 return;
3367         }
3368
3369         if ((state = TALLOC_P(conn->mem_ctx, struct trans_state)) == NULL) {
3370                 reply_doserror(req, ERRSRV, ERRaccess);
3371                 END_PROFILE(SMBnttrans);
3372                 return;
3373         }
3374
3375         state->cmd = SMBnttrans;
3376
3377         state->mid = req->mid;
3378         state->vuid = req->vuid;
3379         state->total_data = IVAL(req->inbuf, smb_nt_TotalDataCount);
3380         state->data = NULL;
3381         state->total_param = IVAL(req->inbuf, smb_nt_TotalParameterCount);
3382         state->param = NULL;
3383         state->max_data_return = IVAL(req->inbuf,smb_nt_MaxDataCount);
3384         state->max_param_return = IVAL(req->inbuf,smb_nt_MaxParameterCount);
3385
3386         /* setup count is in *words* */
3387         state->setup_count = 2*CVAL(req->inbuf,smb_nt_SetupCount);
3388         state->setup = NULL;
3389         state->call = function_code;
3390
3391         /*
3392          * All nttrans messages we handle have smb_wct == 19 +
3393          * state->setup_count.  Ensure this is so as a sanity check.
3394          */
3395
3396         if(req->wct != 19 + (state->setup_count/2)) {
3397                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
3398                          req->wct, 19 + (state->setup_count/2)));
3399                 goto bad_param;
3400         }
3401
3402         /* Don't allow more than 128mb for each value. */
3403         if ((state->total_data > (1024*1024*128)) ||
3404             (state->total_param > (1024*1024*128))) {
3405                 reply_doserror(req, ERRDOS, ERRnomem);
3406                 END_PROFILE(SMBnttrans);
3407                 return;
3408         }
3409
3410         if ((dscnt > state->total_data) || (pscnt > state->total_param))
3411                 goto bad_param;
3412
3413         if (state->total_data)  {
3414                 /* Can't use talloc here, the core routines do realloc on the
3415                  * params and data. */
3416                 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
3417                         DEBUG(0,("reply_nttrans: data malloc fail for %u "
3418                                  "bytes !\n", (unsigned int)state->total_data));
3419                         TALLOC_FREE(state);
3420                         reply_doserror(req, ERRDOS, ERRnomem);
3421                         END_PROFILE(SMBnttrans);
3422                         return;
3423                 }
3424                 if ((dsoff+dscnt < dsoff) || (dsoff+dscnt < dscnt))
3425                         goto bad_param;
3426                 if ((smb_base(req->inbuf)+dsoff+dscnt
3427                      > (char *)req->inbuf + size) ||
3428                     (smb_base(req->inbuf)+dsoff+dscnt < smb_base(req->inbuf)))
3429                         goto bad_param;
3430
3431                 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
3432         }
3433
3434         if (state->total_param) {
3435                 /* Can't use talloc here, the core routines do realloc on the
3436                  * params and data. */
3437                 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
3438                         DEBUG(0,("reply_nttrans: param malloc fail for %u "
3439                                  "bytes !\n", (unsigned int)state->total_param));
3440                         SAFE_FREE(state->data);
3441                         TALLOC_FREE(state);
3442                         reply_doserror(req, ERRDOS, ERRnomem);
3443                         END_PROFILE(SMBnttrans);
3444                         return;
3445                 }
3446                 if ((psoff+pscnt < psoff) || (psoff+pscnt < pscnt))
3447                         goto bad_param;
3448                 if ((smb_base(req->inbuf)+psoff+pscnt
3449                      > (char *)req->inbuf + size) ||
3450                     (smb_base(req->inbuf)+psoff+pscnt < smb_base(req->inbuf)))
3451                         goto bad_param;
3452
3453                 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
3454         }
3455
3456         state->received_data  = dscnt;
3457         state->received_param = pscnt;
3458
3459         if(state->setup_count > 0) {
3460                 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
3461                           state->setup_count));
3462                 state->setup = (uint16 *)TALLOC(state, state->setup_count);
3463                 if (state->setup == NULL) {
3464                         DEBUG(0,("reply_nttrans : Out of memory\n"));
3465                         SAFE_FREE(state->data);
3466                         SAFE_FREE(state->param);
3467                         TALLOC_FREE(state);
3468                         reply_doserror(req, ERRDOS, ERRnomem);
3469                         END_PROFILE(SMBnttrans);
3470                         return;
3471                 }
3472
3473                 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
3474                     (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
3475                         goto bad_param;
3476                 }
3477                 if (smb_nt_SetupStart + state->setup_count > size) {
3478                         goto bad_param;
3479                 }
3480
3481                 memcpy( state->setup, &req->inbuf[smb_nt_SetupStart],
3482                         state->setup_count);
3483                 dump_data(10, (uint8 *)state->setup, state->setup_count);
3484         }
3485
3486         if ((state->received_data == state->total_data) &&
3487             (state->received_param == state->total_param)) {
3488                 handle_nttrans(conn, state, req);
3489                 SAFE_FREE(state->param);
3490                 SAFE_FREE(state->data);
3491                 TALLOC_FREE(state);
3492                 END_PROFILE(SMBnttrans);
3493                 return;
3494         }
3495
3496         DLIST_ADD(conn->pending_trans, state);
3497
3498         /* We need to send an interim response then receive the rest
3499            of the parameter/data bytes */
3500         reply_outbuf(req, 0, 0);
3501         show_msg((char *)req->outbuf);
3502         END_PROFILE(SMBnttrans);
3503         return;
3504
3505   bad_param:
3506
3507         DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3508         SAFE_FREE(state->data);
3509         SAFE_FREE(state->param);
3510         TALLOC_FREE(state);
3511         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3512         END_PROFILE(SMBnttrans);
3513         return;
3514 }
3515
3516 /****************************************************************************
3517  Reply to a SMBnttranss
3518  ****************************************************************************/
3519
3520 void reply_nttranss(connection_struct *conn, struct smb_request *req)
3521 {
3522         unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
3523         struct trans_state *state;
3524
3525         int size;
3526
3527         START_PROFILE(SMBnttranss);
3528
3529         show_msg((char *)req->inbuf);
3530
3531         if (req->wct < 18) {
3532                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3533                 END_PROFILE(SMBnttranss);
3534                 return;
3535         }
3536
3537         for (state = conn->pending_trans; state != NULL;
3538              state = state->next) {
3539                 if (state->mid == req->mid) {
3540                         break;
3541                 }
3542         }
3543
3544         if ((state == NULL) || (state->cmd != SMBnttrans)) {
3545                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3546                 END_PROFILE(SMBnttranss);
3547                 return;
3548         }
3549
3550         /* Revise state->total_param and state->total_data in case they have
3551            changed downwards */
3552         if (IVAL(req->inbuf, smb_nts_TotalParameterCount)
3553             < state->total_param) {
3554                 state->total_param = IVAL(req->inbuf,
3555                                           smb_nts_TotalParameterCount);
3556         }
3557         if (IVAL(req->inbuf, smb_nts_TotalDataCount) < state->total_data) {
3558                 state->total_data = IVAL(req->inbuf, smb_nts_TotalDataCount);
3559         }
3560
3561         size = smb_len(req->inbuf) + 4;
3562
3563         pcnt = IVAL(req->inbuf,smb_nts_ParameterCount);
3564         poff = IVAL(req->inbuf, smb_nts_ParameterOffset);
3565         pdisp = IVAL(req->inbuf, smb_nts_ParameterDisplacement);
3566
3567         dcnt = IVAL(req->inbuf, smb_nts_DataCount);
3568         ddisp = IVAL(req->inbuf, smb_nts_DataDisplacement);
3569         doff = IVAL(req->inbuf, smb_nts_DataOffset);
3570
3571         state->received_param += pcnt;
3572         state->received_data += dcnt;
3573
3574         if ((state->received_data > state->total_data) ||
3575             (state->received_param > state->total_param))
3576                 goto bad_param;
3577
3578         if (pcnt) {
3579                 if (pdisp+pcnt > state->total_param)
3580                         goto bad_param;
3581                 if ((pdisp+pcnt < pdisp) || (pdisp+pcnt < pcnt))
3582                         goto bad_param;
3583                 if (pdisp > state->total_param)
3584                         goto bad_param;
3585                 if ((smb_base(req->inbuf) + poff + pcnt
3586                      > (char *)req->inbuf + size) ||
3587                     (smb_base(req->inbuf) + poff + pcnt
3588                      < smb_base(req->inbuf)))
3589                         goto bad_param;
3590                 if (state->param + pdisp < state->param)
3591                         goto bad_param;
3592
3593                 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,
3594                        pcnt);
3595         }
3596
3597         if (dcnt) {
3598                 if (ddisp+dcnt > state->total_data)
3599                         goto bad_param;
3600                 if ((ddisp+dcnt < ddisp) || (ddisp+dcnt < dcnt))
3601                         goto bad_param;
3602                 if (ddisp > state->total_data)
3603                         goto bad_param;
3604                 if ((smb_base(req->inbuf) + doff + dcnt
3605                      > (char *)req->inbuf + size) ||
3606                     (smb_base(req->inbuf) + doff + dcnt
3607                      < smb_base(req->inbuf)))
3608                         goto bad_param;
3609                 if (state->data + ddisp < state->data)
3610                         goto bad_param;
3611
3612                 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,
3613                        dcnt);
3614         }
3615
3616         if ((state->received_param < state->total_param) ||
3617             (state->received_data < state->total_data)) {
3618                 END_PROFILE(SMBnttranss);
3619                 return;
3620         }
3621
3622         /*
3623          * construct_reply_common will copy smb_com from inbuf to
3624          * outbuf. SMBnttranss is wrong here.
3625          */
3626         SCVAL(req->inbuf,smb_com,SMBnttrans);
3627
3628         handle_nttrans(conn, state, req);
3629
3630         DLIST_REMOVE(conn->pending_trans, state);
3631         SAFE_FREE(state->data);
3632         SAFE_FREE(state->param);
3633         TALLOC_FREE(state);
3634         END_PROFILE(SMBnttranss);
3635         return;
3636
3637   bad_param:
3638
3639         DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3640         DLIST_REMOVE(conn->pending_trans, state);
3641         SAFE_FREE(state->data);
3642         SAFE_FREE(state->param);
3643         TALLOC_FREE(state);
3644         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3645         END_PROFILE(SMBnttranss);
3646         return;
3647 }