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         srvstr_get_path(ctx, (char *)req->inbuf, req->flags2, &fname,
 544                         smb_buf(req->inbuf), 0, STR_TERMINATE, &status);
 545
 546         if (!NT_STATUS_IS_OK(status)) {
 547                 reply_nterror(req, status);
 548                 END_PROFILE(SMBntcreateX);
 549                 return;
 550         }
 551
 552         DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
 553                   "file_attributes = 0x%x, share_access = 0x%x, "
 554                   "create_disposition = 0x%x create_options = 0x%x "
 555                   "root_dir_fid = 0x%x, fname = %s\n",
 556                         (unsigned int)flags,
 557                         (unsigned int)access_mask,
 558                         (unsigned int)file_attributes,
 559                         (unsigned int)share_access,
 560                         (unsigned int)create_disposition,
 561                         (unsigned int)create_options,
 562                         (unsigned int)root_dir_fid,
 563                         fname));
 564
 565         /*
 566          * If it's an IPC, use the pipe handler.
 567          */
 568
 569         if (IS_IPC(conn)) {
 570                 if (lp_nt_pipe_support()) {
 571                         do_ntcreate_pipe_open(conn, req);
 572                         END_PROFILE(SMBntcreateX);
 573                         return;
 574                 } else {
 575                         reply_doserror(req, ERRDOS, ERRnoaccess);
 576                         END_PROFILE(SMBntcreateX);
 577                         return;
 578                 }
 579         }
 580
 581         if (create_options & FILE_OPEN_BY_FILE_ID) {
 582                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
 583                 END_PROFILE(SMBntcreateX);
 584                 return;
 585         }
 586
 587         /*
 588          * Get the file name.
 589          */
 590
 591         if (root_dir_fid != 0) {
 592                 /*
 593                  * This filename is relative to a directory fid.
 594                  */
 595                 char *parent_fname = NULL;
 596                 char *tmp;
 597                 files_struct *dir_fsp = file_fsp(root_dir_fid);
 598
 599                 if(!dir_fsp) {
 600                         reply_doserror(req, ERRDOS, ERRbadfid);
 601                         END_PROFILE(SMBntcreateX);
 602                         return;
 603                 }
 604
 605                 if(!dir_fsp->is_directory) {
 606
 607                         /*
 608                          * Check to see if this is a mac fork of some kind.
 609                          */
 610
 611                         if( is_ntfs_stream_name(fname)) {
 612                                 reply_nterror(
 613                                         req, NT_STATUS_OBJECT_PATH_NOT_FOUND);
 614                                 END_PROFILE(SMBntcreateX);
 615                                 return;
 616                         }
 617
 618                         /*
 619                           we need to handle the case when we get a
 620                           relative open relative to a file and the
 621                           pathname is blank - this is a reopen!
 622                           (hint from demyn plantenberg)
 623                         */
 624
 625                         reply_doserror(req, ERRDOS, ERRbadfid);
 626                         END_PROFILE(SMBntcreateX);
 627                         return;
 628                 }
 629
 630                 if (ISDOT(dir_fsp->fsp_name)) {
 631                         /*
 632                          * We're at the toplevel dir, the final file name
 633                          * must not contain ./, as this is filtered out
 634                          * normally by srvstr_get_path and unix_convert
 635                          * explicitly rejects paths containing ./.
 636                          */
 637                         parent_fname = talloc_strdup(ctx,"");
 638                         if (!parent_fname) {
 639                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
 640                                 END_PROFILE(SMBntcreateX);
 641                                 return;
 642                         }
 643                 } else {
 644                         size_t dir_name_len = strlen(dir_fsp->fsp_name);
 645
 646                         /*
 647                          * Copy in the base directory name.
 648                          */
 649
 650                         parent_fname = TALLOC_ARRAY(ctx, char, dir_name_len+2);
 651                         if (!parent_fname) {
 652                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
 653                                 END_PROFILE(SMBntcreateX);
 654                                 return;
 655                         }
 656                         memcpy(parent_fname, dir_fsp->fsp_name,
 657                                dir_name_len+1);
 658
 659                         /*
 660                          * Ensure it ends in a '/'.
 661                          * We used TALLOC_SIZE +2 to add space for the '/'.
 662                          */
 663
 664                         if(dir_name_len
 665                            && (parent_fname[dir_name_len-1] != '\\')
 666                            && (parent_fname[dir_name_len-1] != '/')) {
 667                                 parent_fname[dir_name_len] = '/';
 668                                 parent_fname[dir_name_len+1] = '\0';
 669                         }
 670                 }
 671
 672                 tmp = talloc_asprintf(ctx, "%s%s", parent_fname, fname);
 673                 if (tmp == NULL) {
 674                         reply_nterror(req, NT_STATUS_NO_MEMORY);
 675                         END_PROFILE(SMBntcreateX);
 676                         return;
 677                 }
 678                 TALLOC_FREE(fname);
 679                 fname = tmp;
 680         } else {
 681                 /*
 682                  * Check to see if this is a mac fork of some kind.
 683                  */
 684
 685                 if( is_ntfs_stream_name(fname)) {
 686                         enum FAKE_FILE_TYPE fake_file_type = is_fake_file(fname);
 687                         if (fake_file_type!=FAKE_FILE_TYPE_NONE) {
 688                                 /*
 689                                  * Here we go! support for changing the disk quotas --metze
 690                                  *
 691                                  * We need to fake up to open this MAGIC QUOTA file
 692                                  * and return a valid FID.
 693                                  *
 694                                  * w2k close this file directly after openening
 695                                  * xp also tries a QUERY_FILE_INFO on the file and then close it
 696                                  */
 697                                 reply_ntcreate_and_X_quota(conn, req,
 698                                                           fake_file_type, fname);
 699                         } else {
 700                                 reply_nterror(req, NT_STATUS_OBJECT_PATH_NOT_FOUND);
 701                         }
 702                         END_PROFILE(SMBntcreateX);
 703                         return;
 704                 }
 705         }
 706
 707         /*
 708          * Now contruct the smb_open_mode value from the filename,
 709          * desired access and the share access.
 710          */
 711         status = resolve_dfspath(ctx, conn,
 712                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
 713                                 fname,
 714                                 &fname);
 715         if (!NT_STATUS_IS_OK(status)) {
 716                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
 717                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
 718                                         ERRSRV, ERRbadpath);
 719                         END_PROFILE(SMBntcreateX);
 720                         return;
 721                 }
 722                 reply_nterror(req, status);
 723                 END_PROFILE(SMBntcreateX);
 724                 return;
 725         }
 726
 727         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 728         if (oplock_request) {
 729                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
 730         }
 731
 732         /*
 733          * Ordinary file or directory.
 734          */
 735
 736         /*
 737          * Check if POSIX semantics are wanted.
 738          */
 739
 740         if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
 741                 case_state = set_posix_case_semantics(NULL, conn);
 742                 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
 743         }
 744
 745         status = unix_convert(ctx, conn, fname, False, &fname, NULL, &sbuf);
 746         if (!NT_STATUS_IS_OK(status)) {
 747                 TALLOC_FREE(case_state);
 748                 reply_nterror(req, status);
 749                 END_PROFILE(SMBntcreateX);
 750                 return;
 751         }
 752         /* All file access must go through check_name() */
 753         status = check_name(conn, fname);
 754         if (!NT_STATUS_IS_OK(status)) {
 755                 TALLOC_FREE(case_state);
 756                 reply_nterror(req, status);
 757                 END_PROFILE(SMBntcreateX);
 758                 return;
 759         }
 760
 761         /* This is the correct thing to do (check every time) but can_delete is
 762            expensive (it may have to read the parent directory permissions). So
 763            for now we're not doing it unless we have a strong hint the client
 764            is really going to delete this file. If the client is forcing FILE_CREATE
 765            let the filesystem take care of the permissions. */
 766
 767         /* Setting FILE_SHARE_DELETE is the hint. */
 768
 769         if (lp_acl_check_permissions(SNUM(conn))
 770             && (create_disposition != FILE_CREATE)
 771             && (share_access & FILE_SHARE_DELETE)
 772             && (access_mask & DELETE_ACCESS)) {
 773                 if (((dos_mode(conn, fname, &sbuf) & FILE_ATTRIBUTE_READONLY)
 774                                 && !lp_delete_readonly(SNUM(conn))) ||
 775                                 !can_delete_file_in_directory(conn, fname)) {
 776                         TALLOC_FREE(case_state);
 777                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
 778                         END_PROFILE(SMBntcreateX);
 779                         return;
 780                 }
 781         }
 782
 783 #if 0
 784         /* We need to support SeSecurityPrivilege for this. */
 785         if ((access_mask & SEC_RIGHT_SYSTEM_SECURITY) &&
 786                         !user_has_privileges(current_user.nt_user_token,
 787                                 &se_security)) {
 788                 TALLOC_FREE(case_state);
 789                 END_PROFILE(SMBntcreateX);
 790                 return ERROR_NT(NT_STATUS_PRIVILEGE_NOT_HELD);
 791         }
 792 #endif
 793
 794         /*
 795          * If it's a request for a directory open, deal with it separately.
 796          */
 797
 798         if(create_options & FILE_DIRECTORY_FILE) {
 799
 800                 /* Can't open a temp directory. IFS kit test. */
 801                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
 802                         TALLOC_FREE(case_state);
 803                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 804                         END_PROFILE(SMBntcreateX);
 805                         return;
 806                 }
 807
 808                 oplock_request = 0;
 809                 status = open_directory(conn, req, fname, &sbuf,
 810                                         access_mask,
 811                                         share_access,
 812                                         create_disposition,
 813                                         create_options,
 814                                         file_attributes,
 815                                         &info, &fsp);
 816
 817         } else {
 818
 819                 /*
 820                  * Ordinary file case.
 821                  */
 822
 823                 /* NB. We have a potential bug here. If we
 824                  * cause an oplock break to ourselves, then we
 825                  * could end up processing filename related
 826                  * SMB requests whilst we await the oplock
 827                  * break response. As we may have changed the
 828                  * filename case semantics to be POSIX-like,
 829                  * this could mean a filename request could
 830                  * fail when it should succeed. This is a rare
 831                  * condition, but eventually we must arrange
 832                  * to restore the correct case semantics
 833                  * before issuing an oplock break request to
 834                  * our client. JRA.  */
 835
 836                 status = open_file_ntcreate(conn, req, fname, &sbuf,
 837                                         access_mask,
 838                                         share_access,
 839                                         create_disposition,
 840                                         create_options,
 841                                         file_attributes,
 842                                         oplock_request,
 843                                         &info, &fsp);
 844
 845                 /* We cheat here. There are two cases we
 846                  * care about. One is a directory rename,
 847                  * where the NT client will attempt to
 848                  * open the source directory for
 849                  * DELETE access. Note that when the
 850                  * NT client does this it does *not*
 851                  * set the directory bit in the
 852                  * request packet. This is translated
 853                  * into a read/write open
 854                  * request. POSIX states that any open
 855                  * for write request on a directory
 856                  * will generate an EISDIR error, so
 857                  * we can catch this here and open a
 858                  * pseudo handle that is flagged as a
 859                  * directory. The second is an open
 860                  * for a permissions read only, which
 861                  * we handle in the open_file_stat case. JRA.
 862                  */
 863
 864                 if (NT_STATUS_EQUAL(status, NT_STATUS_FILE_IS_A_DIRECTORY)) {
 865
 866                         /*
 867                          * Fail the open if it was explicitly a non-directory
 868                          * file.
 869                          */
 870
 871                         if (create_options & FILE_NON_DIRECTORY_FILE) {
 872                                 TALLOC_FREE(case_state);
 873                                 reply_force_nterror(req,
 874                                                 NT_STATUS_FILE_IS_A_DIRECTORY);
 875                                 END_PROFILE(SMBntcreateX);
 876                                 return;
 877                         }
 878
 879                         oplock_request = 0;
 880                         status = open_directory(conn, req, fname,
 881                                                 &sbuf,
 882                                                 access_mask,
 883                                                 share_access,
 884                                                 create_disposition,
 885                                                 create_options,
 886                                                 file_attributes,
 887                                                 &info, &fsp);
 888                 }
 889         }
 890
 891         TALLOC_FREE(case_state);
 892
 893         if (!NT_STATUS_IS_OK(status)) {
 894                 if (open_was_deferred(req->mid)) {
 895                         /* We have re-scheduled this call. */
 896                         END_PROFILE(SMBntcreateX);
 897                         return;
 898                 }
 899                 reply_openerror(req, status);
 900                 END_PROFILE(SMBntcreateX);
 901                 return;
 902         }
 903
 904         file_len = sbuf.st_size;
 905         fattr = dos_mode(conn,fname,&sbuf);
 906         if(fattr == 0) {
 907                 fattr = FILE_ATTRIBUTE_NORMAL;
 908         }
 909         if (!fsp->is_directory && (fattr & aDIR)) {
 910                 close_file(fsp,ERROR_CLOSE);
 911                 reply_doserror(req, ERRDOS, ERRnoaccess);
 912                 END_PROFILE(SMBntcreateX);
 913                 return;
 914         }
 915
 916         /* Save the requested allocation size. */
 917         if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
 918                 if (allocation_size && (allocation_size > (SMB_BIG_UINT)file_len)) {
 919                         fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
 920                         if (fsp->is_directory) {
 921                                 close_file(fsp,ERROR_CLOSE);
 922                                 /* Can't set allocation size on a directory. */
 923                                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
 924                                 END_PROFILE(SMBntcreateX);
 925                                 return;
 926                         }
 927                         if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
 928                                 close_file(fsp,ERROR_CLOSE);
 929                                 reply_nterror(req, NT_STATUS_DISK_FULL);
 930                                 END_PROFILE(SMBntcreateX);
 931                                 return;
 932                         }
 933                 } else {
 934                         fsp->initial_allocation_size = smb_roundup(fsp->conn,(SMB_BIG_UINT)file_len);
 935                 }
 936         }
 937
 938         /*
 939          * If the caller set the extended oplock request bit
 940          * and we granted one (by whatever means) - set the
 941          * correct bit for extended oplock reply.
 942          */
 943
 944         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
 945                 extended_oplock_granted = True;
 946         }
 947
 948         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
 949                 extended_oplock_granted = True;
 950         }
 951
 952         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 953                 /* This is very strange. We
 954                  * return 50 words, but only set
 955                  * the wcnt to 42 ? It's definately
 956                  * what happens on the wire....
 957                  */
 958                 reply_outbuf(req, 50, 0);
 959                 SCVAL(req->outbuf,smb_wct,42);
 960         } else {
 961                 reply_outbuf(req, 34, 0);
 962         }
 963
 964         p = (char *)req->outbuf + smb_vwv2;
 965
 966         /*
 967          * Currently as we don't support level II oplocks we just report
 968          * exclusive & batch here.
 969          */
 970
 971         if (extended_oplock_granted) {
 972                 if (flags & REQUEST_BATCH_OPLOCK) {
 973                         SCVAL(p,0, BATCH_OPLOCK_RETURN);
 974                 } else {
 975                         SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
 976                 }
 977         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
 978                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
 979         } else {
 980                 SCVAL(p,0,NO_OPLOCK_RETURN);
 981         }
 982
 983         p++;
 984         SSVAL(p,0,fsp->fnum);
 985         p += 2;
 986         if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
 987                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
 988         } else {
 989                 SIVAL(p,0,info);
 990         }
 991         p += 4;
 992
 993         /* Create time. */
 994         c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
 995         a_timespec = get_atimespec(&sbuf);
 996         m_timespec = get_mtimespec(&sbuf);
 997
 998         if (lp_dos_filetime_resolution(SNUM(conn))) {
 999                 dos_filetime_timespec(&c_timespec);
1000                 dos_filetime_timespec(&a_timespec);
1001                 dos_filetime_timespec(&m_timespec);
1002         }
1003
1004         put_long_date_timespec(p, c_timespec); /* create time. */
1005         p += 8;
1006         put_long_date_timespec(p, a_timespec); /* access time */
1007         p += 8;
1008         put_long_date_timespec(p, m_timespec); /* write time */
1009         p += 8;
1010         put_long_date_timespec(p, m_timespec); /* change time */
1011         p += 8;
1012         SIVAL(p,0,fattr); /* File Attributes. */
1013         p += 4;
1014         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1015         p += 8;
1016         SOFF_T(p,0,file_len);
1017         p += 8;
1018         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1019                 SSVAL(p,2,0x7);
1020         }
1021         p += 4;
1022         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1023
1024         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1025                 uint32 perms = 0;
1026                 p += 25;
1027                 if (fsp->is_directory || can_write_to_file(conn, fname, &sbuf)) {
1028                         perms = FILE_GENERIC_ALL;
1029                 } else {
1030                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
1031                 }
1032                 SIVAL(p,0,perms);
1033         }
1034
1035         DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
1036
1037         chain_reply(req);
1038         END_PROFILE(SMBntcreateX);
1039         return;
1040 }
1041
1042 /****************************************************************************
1043  Reply to a NT_TRANSACT_CREATE call to open a pipe.
1044 ****************************************************************************/
1045
1046 static void do_nt_transact_create_pipe(connection_struct *conn,
1047                                        struct smb_request *req,
1048                                        uint16 **ppsetup, uint32 setup_count,
1049                                        char **ppparams, uint32 parameter_count,
1050                                        char **ppdata, uint32 data_count)
1051 {
1052         char *fname = NULL;
1053         char *params = *ppparams;
1054         int pnum = -1;
1055         char *p = NULL;
1056         NTSTATUS status;
1057         size_t param_len;
1058         uint32 flags;
1059         TALLOC_CTX *ctx = talloc_tos();
1060
1061         /*
1062          * Ensure minimum number of parameters sent.
1063          */
1064
1065         if(parameter_count < 54) {
1066                 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1067                 reply_doserror(req, ERRDOS, ERRnoaccess);
1068                 return;
1069         }
1070
1071         flags = IVAL(params,0);
1072
1073         srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
1074                         parameter_count-53, STR_TERMINATE,
1075                         &status);
1076         if (!NT_STATUS_IS_OK(status)) {
1077                 reply_nterror(req, status);
1078                 return;
1079         }
1080
1081         nt_open_pipe(fname, conn, req, &pnum);
1082
1083         if (req->outbuf) {
1084                 /* Error return */
1085                 return;
1086         }
1087
1088         /* Realloc the size of parameters and data we will return */
1089         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1090                 /* Extended response is 32 more byyes. */
1091                 param_len = 101;
1092         } else {
1093                 param_len = 69;
1094         }
1095         params = nttrans_realloc(ppparams, param_len);
1096         if(params == NULL) {
1097                 reply_doserror(req, ERRDOS, ERRnomem);
1098                 return;
1099         }
1100
1101         p = params;
1102         SCVAL(p,0,NO_OPLOCK_RETURN);
1103
1104         p += 2;
1105         SSVAL(p,0,pnum);
1106         p += 2;
1107         SIVAL(p,0,FILE_WAS_OPENED);
1108         p += 8;
1109
1110         p += 32;
1111         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
1112         p += 20;
1113         /* File type. */
1114         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
1115         /* Device state. */
1116         SSVAL(p,2, 0x5FF); /* ? */
1117         p += 4;
1118
1119         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1120                 p += 25;
1121                 SIVAL(p,0,FILE_GENERIC_ALL);
1122                 /*
1123                  * For pipes W2K3 seems to return
1124                  * 0x12019B next.
1125                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
1126                  */
1127                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
1128         }
1129
1130         DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
1131
1132         /* Send the required number of replies */
1133         send_nt_replies(req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1134
1135         return;
1136 }
1137
1138 /****************************************************************************
1139  Internal fn to set security descriptors.
1140 ****************************************************************************/
1141
1142 static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent)
1143 {
1144         prs_struct pd;
1145         SEC_DESC *psd = NULL;
1146         TALLOC_CTX *mem_ctx;
1147         NTSTATUS status;
1148
1149         if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
1150                 return NT_STATUS_OK;
1151         }
1152
1153         /*
1154          * Init the parse struct we will unmarshall from.
1155          */
1156
1157         if ((mem_ctx = talloc_init("set_sd")) == NULL) {
1158                 DEBUG(0,("set_sd: talloc_init failed.\n"));
1159                 return NT_STATUS_NO_MEMORY;
1160         }
1161
1162         prs_init(&pd, 0, mem_ctx, UNMARSHALL);
1163
1164         /*
1165          * Setup the prs_struct to point at the memory we just
1166          * allocated.
1167          */
1168
1169         prs_give_memory( &pd, data, sd_len, False);
1170
1171         /*
1172          * Finally, unmarshall from the data buffer.
1173          */
1174
1175         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1176                 DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
1177                 /*
1178                  * Return access denied for want of a better error message..
1179                  */
1180                 talloc_destroy(mem_ctx);
1181                 return NT_STATUS_NO_MEMORY;
1182         }
1183
1184         if (psd->owner_sid==0) {
1185                 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
1186         }
1187         if (psd->group_sid==0) {
1188                 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
1189         }
1190         if (psd->sacl==0) {
1191                 security_info_sent &= ~SACL_SECURITY_INFORMATION;
1192         }
1193         if (psd->dacl==0) {
1194                 security_info_sent &= ~DACL_SECURITY_INFORMATION;
1195         }
1196
1197         status = SMB_VFS_FSET_NT_ACL( fsp, fsp->fh->fd, security_info_sent, psd);
1198
1199         talloc_destroy(mem_ctx);
1200         return status;
1201 }
1202
1203 /****************************************************************************
1204  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
1205 ****************************************************************************/
1206
1207 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
1208 {
1209         struct ea_list *ea_list_head = NULL;
1210         size_t offset = 0;
1211
1212         if (data_size < 4) {
1213                 return NULL;
1214         }
1215
1216         while (offset + 4 <= data_size) {
1217                 size_t next_offset = IVAL(pdata,offset);
1218                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
1219
1220                 if (!eal) {
1221                         return NULL;
1222                 }
1223
1224                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
1225                 if (next_offset == 0) {
1226                         break;
1227                 }
1228                 offset += next_offset;
1229         }
1230
1231         return ea_list_head;
1232 }
1233
1234 /****************************************************************************
1235  Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1236 ****************************************************************************/
1237
1238 static void call_nt_transact_create(connection_struct *conn,
1239                                     struct smb_request *req,
1240                                     uint16 **ppsetup, uint32 setup_count,
1241                                     char **ppparams, uint32 parameter_count,
1242                                     char **ppdata, uint32 data_count,
1243                                     uint32 max_data_count)
1244 {
1245         char *fname = NULL;
1246         char *params = *ppparams;
1247         char *data = *ppdata;
1248         /* Breakout the oplock request bits so we can set the reply bits separately. */
1249         int oplock_request = 0;
1250         uint32 fattr=0;
1251         SMB_OFF_T file_len = 0;
1252         SMB_STRUCT_STAT sbuf;
1253         int info = 0;
1254         files_struct *fsp = NULL;
1255         char *p = NULL;
1256         bool extended_oplock_granted = False;
1257         uint32 flags;
1258         uint32 access_mask;
1259         uint32 file_attributes;
1260         uint32 share_access;
1261         uint32 create_disposition;
1262         uint32 create_options;
1263         uint32 sd_len;
1264         uint32 ea_len;
1265         uint16 root_dir_fid;
1266         struct timespec c_timespec;
1267         struct timespec a_timespec;
1268         struct timespec m_timespec;
1269         struct ea_list *ea_list = NULL;
1270         char *pdata = NULL;
1271         NTSTATUS status;
1272         size_t param_len;
1273         struct case_semantics_state *case_state = NULL;
1274         SMB_BIG_UINT allocation_size;
1275         TALLOC_CTX *ctx = talloc_tos();
1276
1277         DEBUG(5,("call_nt_transact_create\n"));
1278
1279         /*
1280          * If it's an IPC, use the pipe handler.
1281          */
1282
1283         if (IS_IPC(conn)) {
1284                 if (lp_nt_pipe_support()) {
1285                         do_nt_transact_create_pipe(
1286                                 conn, req,
1287                                 ppsetup, setup_count,
1288                                 ppparams, parameter_count,
1289                                 ppdata, data_count);
1290                         return;
1291                 } else {
1292                         reply_doserror(req, ERRDOS, ERRnoaccess);
1293                         return;
1294                 }
1295         }
1296
1297         /*
1298          * Ensure minimum number of parameters sent.
1299          */
1300
1301         if(parameter_count < 54) {
1302                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1303                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1304                 return;
1305         }
1306
1307         flags = IVAL(params,0);
1308         access_mask = IVAL(params,8);
1309         file_attributes = IVAL(params,20);
1310         share_access = IVAL(params,24);
1311         create_disposition = IVAL(params,28);
1312         create_options = IVAL(params,32);
1313         sd_len = IVAL(params,36);
1314         ea_len = IVAL(params,40);
1315         root_dir_fid = (uint16)IVAL(params,4);
1316         allocation_size = (SMB_BIG_UINT)IVAL(params,12);
1317 #ifdef LARGE_SMB_OFF_T
1318         allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
1319 #endif
1320
1321         /* Ensure the data_len is correct for the sd and ea values given. */
1322         if ((ea_len + sd_len > data_count) ||
1323                         (ea_len > data_count) || (sd_len > data_count) ||
1324                         (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1325                 DEBUG(10,("call_nt_transact_create - ea_len = %u, sd_len = %u, data_count = %u\n",
1326                         (unsigned int)ea_len, (unsigned int)sd_len, (unsigned int)data_count ));
1327                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1328                 return;
1329         }
1330
1331         if (ea_len) {
1332                 if (!lp_ea_support(SNUM(conn))) {
1333                         DEBUG(10,("call_nt_transact_create - ea_len = %u but EA's not supported.\n",
1334                                 (unsigned int)ea_len ));
1335                         reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1336                         return;
1337                 }
1338
1339                 if (ea_len < 10) {
1340                         DEBUG(10,("call_nt_transact_create - ea_len = %u - too small (should be more than 10)\n",
1341                                 (unsigned int)ea_len ));
1342                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1343                         return;
1344                 }
1345         }
1346
1347         srvstr_get_path(ctx, params, req->flags2, &fname,
1348                         params+53, parameter_count-53,
1349                         STR_TERMINATE, &status);
1350         if (!NT_STATUS_IS_OK(status)) {
1351                 reply_nterror(req, status);
1352                 return;
1353         }
1354
1355         if (create_options & FILE_OPEN_BY_FILE_ID) {
1356                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1357                 return;
1358         }
1359
1360         /*
1361          * Get the file name.
1362          */
1363
1364         if(root_dir_fid != 0) {
1365                 /*
1366                  * This filename is relative to a directory fid.
1367                  */
1368                 char *parent_fname = NULL;
1369                 char *tmp;
1370                 files_struct *dir_fsp = file_fsp(root_dir_fid);
1371
1372                 if(!dir_fsp) {
1373                         reply_doserror(req, ERRDOS, ERRbadfid);
1374                         return;
1375                 }
1376
1377                 if(!dir_fsp->is_directory) {
1378
1379                         /*
1380                          * Check to see if this is a mac fork of some kind.
1381                          */
1382
1383                         if( is_ntfs_stream_name(fname)) {
1384                                 reply_nterror(req,
1385                                               NT_STATUS_OBJECT_PATH_NOT_FOUND);
1386                                 return;
1387                         }
1388
1389                         /*
1390                           we need to handle the case when we get a
1391                           relative open relative to a file and the
1392                           pathname is blank - this is a reopen!
1393                           (hint from demyn plantenberg)
1394                         */
1395
1396                         reply_doserror(req, ERRDOS, ERRbadfid);
1397                         return;
1398                 }
1399
1400                 if (ISDOT(dir_fsp->fsp_name)) {
1401                         /*
1402                          * We're at the toplevel dir, the final file name
1403                          * must not contain ./, as this is filtered out
1404                          * normally by srvstr_get_path and unix_convert
1405                          * explicitly rejects paths containing ./.
1406                          */
1407                         parent_fname = talloc_strdup(ctx,"");
1408                         if (!parent_fname) {
1409                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1410                                 return;
1411                         }
1412                 } else {
1413                         size_t dir_name_len = strlen(dir_fsp->fsp_name);
1414
1415                         /*
1416                          * Copy in the base directory name.
1417                          */
1418
1419                         parent_fname = TALLOC_ARRAY(ctx, char, dir_name_len+2);
1420                         if (!fname) {
1421                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1422                                 return;
1423                         }
1424                         memcpy(parent_fname, dir_fsp->fsp_name,
1425                                dir_name_len+1);
1426
1427                         /*
1428                          * Ensure it ends in a '/'.
1429                          * We used TALLOC_SIZE +2 to add space for the '/'.
1430                          */
1431
1432                         if(dir_name_len
1433                            && (parent_fname[dir_name_len-1] != '\\')
1434                            && (parent_fname[dir_name_len-1] != '/')) {
1435                                 parent_fname[dir_name_len] = '/';
1436                                 parent_fname[dir_name_len+1] = '\0';
1437                         }
1438                 }
1439
1440                 tmp = talloc_asprintf(ctx, "%s%s", parent_fname, fname);
1441                 if (tmp == NULL) {
1442                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1443                         END_PROFILE(SMBntcreateX);
1444                         return;
1445                 }
1446                 TALLOC_FREE(fname);
1447                 fname = tmp;
1448         } else {
1449                 /*
1450                  * Check to see if this is a mac fork of some kind.
1451                  */
1452
1453                 if( is_ntfs_stream_name(fname)) {
1454                         reply_nterror(req, NT_STATUS_OBJECT_PATH_NOT_FOUND);
1455                         return;
1456                 }
1457         }
1458
1459         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1460         if (oplock_request) {
1461                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1462         }
1463
1464         /*
1465          * Ordinary file or directory.
1466          */
1467
1468         /*
1469          * Check if POSIX semantics are wanted.
1470          */
1471
1472         if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
1473                 case_state = set_posix_case_semantics(NULL, conn);
1474                 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
1475         }
1476
1477         status = resolve_dfspath(ctx, conn,
1478                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
1479                                 fname,
1480                                 &fname);
1481         if (!NT_STATUS_IS_OK(status)) {
1482                 TALLOC_FREE(case_state);
1483                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1484                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1485                                         ERRSRV, ERRbadpath);
1486                         return;
1487                 }
1488                 reply_nterror(req, status);
1489                 return;
1490         }
1491
1492         status = unix_convert(ctx, conn, fname, False, &fname, NULL, &sbuf);
1493         if (!NT_STATUS_IS_OK(status)) {
1494                 TALLOC_FREE(case_state);
1495                 reply_nterror(req, status);
1496                 return;
1497         }
1498         /* All file access must go through check_name() */
1499         status = check_name(conn, fname);
1500         if (!NT_STATUS_IS_OK(status)) {
1501                 TALLOC_FREE(case_state);
1502                 reply_nterror(req, status);
1503                 return;
1504         }
1505
1506         /* This is the correct thing to do (check every time) but can_delete is
1507            expensive (it may have to read the parent directory permissions). So
1508            for now we're not doing it unless we have a strong hint the client
1509            is really going to delete this file. If the client is forcing FILE_CREATE
1510            let the filesystem take care of the permissions. */
1511
1512         /* Setting FILE_SHARE_DELETE is the hint. */
1513
1514         if (lp_acl_check_permissions(SNUM(conn))
1515             && (create_disposition != FILE_CREATE)
1516             && (share_access & FILE_SHARE_DELETE)
1517             && (access_mask & DELETE_ACCESS)) {
1518                 if (((dos_mode(conn, fname, &sbuf) & FILE_ATTRIBUTE_READONLY)
1519                                 && !lp_delete_readonly(SNUM(conn))) ||
1520                                 !can_delete_file_in_directory(conn, fname)) {
1521                         TALLOC_FREE(case_state);
1522                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1523                         return;
1524                 }
1525         }
1526
1527 #if 0
1528         /* We need to support SeSecurityPrivilege for this. */
1529         if ((access_mask & SEC_RIGHT_SYSTEM_SECURITY) &&
1530                         !user_has_privileges(current_user.nt_user_token,
1531                                 &se_security)) {
1532                 TALLOC_FREE(case_state);
1533                 reply_nterror(req, NT_STATUS_PRIVILEGE_NOT_HELD);
1534                 return;
1535         }
1536 #endif
1537
1538         if (ea_len) {
1539                 pdata = data + sd_len;
1540
1541                 /* We have already checked that ea_len <= data_count here. */
1542                 ea_list = read_nttrans_ea_list(talloc_tos(), pdata,
1543                                                ea_len);
1544                 if (!ea_list ) {
1545                         TALLOC_FREE(case_state);
1546                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1547                         return;
1548                 }
1549         }
1550
1551         /*
1552          * If it's a request for a directory open, deal with it separately.
1553          */
1554
1555         if(create_options & FILE_DIRECTORY_FILE) {
1556
1557                 /* Can't open a temp directory. IFS kit test. */
1558                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
1559                         TALLOC_FREE(case_state);
1560                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1561                         return;
1562                 }
1563
1564                 /*
1565                  * We will get a create directory here if the Win32
1566                  * app specified a security descriptor in the
1567                  * CreateDirectory() call.
1568                  */
1569
1570                 oplock_request = 0;
1571                 status = open_directory(conn, req, fname, &sbuf,
1572                                         access_mask,
1573                                         share_access,
1574                                         create_disposition,
1575                                         create_options,
1576                                         file_attributes,
1577                                         &info, &fsp);
1578         } else {
1579
1580                 /*
1581                  * Ordinary file case.
1582                  */
1583
1584                 status = open_file_ntcreate(conn,req,fname,&sbuf,
1585                                         access_mask,
1586                                         share_access,
1587                                         create_disposition,
1588                                         create_options,
1589                                         file_attributes,
1590                                         oplock_request,
1591                                         &info, &fsp);
1592
1593                 if (NT_STATUS_EQUAL(status, NT_STATUS_FILE_IS_A_DIRECTORY)) {
1594
1595                         /*
1596                          * Fail the open if it was explicitly a non-directory file.
1597                          */
1598
1599                         if (create_options & FILE_NON_DIRECTORY_FILE) {
1600                                 TALLOC_FREE(case_state);
1601                                 reply_force_nterror(
1602                                         req,
1603                                         NT_STATUS_FILE_IS_A_DIRECTORY);
1604                                 return;
1605                         }
1606
1607                         oplock_request = 0;
1608                         status = open_directory(conn, req, fname,
1609                                                 &sbuf,
1610                                                 access_mask,
1611                                                 share_access,
1612                                                 create_disposition,
1613                                                 create_options,
1614                                                 file_attributes,
1615                                                 &info, &fsp);
1616                 }
1617         }
1618
1619         TALLOC_FREE(case_state);
1620
1621         if(!NT_STATUS_IS_OK(status)) {
1622                 if (open_was_deferred(req->mid)) {
1623                         /* We have re-scheduled this call. */
1624                         return;
1625                 }
1626                 reply_openerror(req, status);
1627                 return;
1628         }
1629
1630         /*
1631          * According to the MS documentation, the only time the security
1632          * descriptor is applied to the opened file is iff we *created* the
1633          * file; an existing file stays the same.
1634          *
1635          * Also, it seems (from observation) that you can open the file with
1636          * any access mask but you can still write the sd. We need to override
1637          * the granted access before we call set_sd
1638          * Patch for bug #2242 from Tom Lackemann <cessnatomny@yahoo.com>.
1639          */
1640
1641         if (lp_nt_acl_support(SNUM(conn)) && sd_len && info == FILE_WAS_CREATED) {
1642                 uint32 saved_access_mask = fsp->access_mask;
1643
1644                 /* We have already checked that sd_len <= data_count here. */
1645
1646                 fsp->access_mask = FILE_GENERIC_ALL;
1647
1648                 status = set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION);
1649                 if (!NT_STATUS_IS_OK(status)) {
1650                         close_file(fsp,ERROR_CLOSE);
1651                         TALLOC_FREE(case_state);
1652                         reply_nterror(req, status);
1653                         return;
1654                 }
1655                 fsp->access_mask = saved_access_mask;
1656         }
1657
1658         if (ea_len && (info == FILE_WAS_CREATED)) {
1659                 status = set_ea(conn, fsp, fname, ea_list);
1660                 if (!NT_STATUS_IS_OK(status)) {
1661                         close_file(fsp,ERROR_CLOSE);
1662                         TALLOC_FREE(case_state);
1663                         reply_nterror(req, status);
1664                         return;
1665                 }
1666         }
1667
1668         TALLOC_FREE(case_state);
1669
1670         file_len = sbuf.st_size;
1671         fattr = dos_mode(conn,fname,&sbuf);
1672         if(fattr == 0) {
1673                 fattr = FILE_ATTRIBUTE_NORMAL;
1674         }
1675         if (!fsp->is_directory && (fattr & aDIR)) {
1676                 close_file(fsp,ERROR_CLOSE);
1677                 reply_doserror(req, ERRDOS, ERRnoaccess);
1678                 return;
1679         }
1680
1681         /* Save the requested allocation size. */
1682         if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
1683                 if (allocation_size && (allocation_size > file_len)) {
1684                         fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
1685                         if (fsp->is_directory) {
1686                                 close_file(fsp,ERROR_CLOSE);
1687                                 /* Can't set allocation size on a directory. */
1688                                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1689                                 return;
1690                         }
1691                         if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1692                                 close_file(fsp,ERROR_CLOSE);
1693                                 reply_nterror(req, NT_STATUS_DISK_FULL);
1694                                 return;
1695                         }
1696                 } else {
1697                         fsp->initial_allocation_size = smb_roundup(fsp->conn, (SMB_BIG_UINT)file_len);
1698                 }
1699         }
1700
1701         /*
1702          * If the caller set the extended oplock request bit
1703          * and we granted one (by whatever means) - set the
1704          * correct bit for extended oplock reply.
1705          */
1706
1707         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1708                 extended_oplock_granted = True;
1709         }
1710
1711         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1712                 extended_oplock_granted = True;
1713         }
1714
1715         /* Realloc the size of parameters and data we will return */
1716         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1717                 /* Extended response is 32 more byyes. */
1718                 param_len = 101;
1719         } else {
1720                 param_len = 69;
1721         }
1722         params = nttrans_realloc(ppparams, param_len);
1723         if(params == NULL) {
1724                 reply_doserror(req, ERRDOS, ERRnomem);
1725                 return;
1726         }
1727
1728         p = params;
1729         if (extended_oplock_granted) {
1730                 if (flags & REQUEST_BATCH_OPLOCK) {
1731                         SCVAL(p,0, BATCH_OPLOCK_RETURN);
1732                 } else {
1733                         SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
1734                 }
1735         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1736                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
1737         } else {
1738                 SCVAL(p,0,NO_OPLOCK_RETURN);
1739         }
1740
1741         p += 2;
1742         SSVAL(p,0,fsp->fnum);
1743         p += 2;
1744         if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
1745                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1746         } else {
1747                 SIVAL(p,0,info);
1748         }
1749         p += 8;
1750
1751         /* Create time. */
1752         c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1753         a_timespec = get_atimespec(&sbuf);
1754         m_timespec = get_mtimespec(&sbuf);
1755
1756         if (lp_dos_filetime_resolution(SNUM(conn))) {
1757                 dos_filetime_timespec(&c_timespec);
1758                 dos_filetime_timespec(&a_timespec);
1759                 dos_filetime_timespec(&m_timespec);
1760         }
1761
1762         put_long_date_timespec(p, c_timespec); /* create time. */
1763         p += 8;
1764         put_long_date_timespec(p, a_timespec); /* access time */
1765         p += 8;
1766         put_long_date_timespec(p, m_timespec); /* write time */
1767         p += 8;
1768         put_long_date_timespec(p, m_timespec); /* change time */
1769         p += 8;
1770         SIVAL(p,0,fattr); /* File Attributes. */
1771         p += 4;
1772         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1773         p += 8;
1774         SOFF_T(p,0,file_len);
1775         p += 8;
1776         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1777                 SSVAL(p,2,0x7);
1778         }
1779         p += 4;
1780         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1781
1782         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1783                 uint32 perms = 0;
1784                 p += 25;
1785                 if (fsp->is_directory || can_write_to_file(conn, fname, &sbuf)) {
1786                         perms = FILE_GENERIC_ALL;
1787                 } else {
1788                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
1789                 }
1790                 SIVAL(p,0,perms);
1791         }
1792
1793         DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
1794
1795         /* Send the required number of replies */
1796         send_nt_replies(req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1797
1798         return;
1799 }
1800
1801 /****************************************************************************
1802  Reply to a NT CANCEL request.
1803  conn POINTER CAN BE NULL HERE !
1804 ****************************************************************************/
1805
1806 void reply_ntcancel(connection_struct *conn, struct smb_request *req)
1807 {
1808         /*
1809          * Go through and cancel any pending change notifies.
1810          */
1811
1812         START_PROFILE(SMBntcancel);
1813         remove_pending_change_notify_requests_by_mid(req->mid);
1814         remove_pending_lock_requests_by_mid(req->mid);
1815         srv_cancel_sign_response(req->mid);
1816
1817         DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1818
1819         END_PROFILE(SMBntcancel);
1820         return;
1821 }
1822
1823 /****************************************************************************
1824  Copy a file.
1825 ****************************************************************************/
1826
1827 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1828                                 connection_struct *conn,
1829                                 struct smb_request *req,
1830                                 const char *oldname_in,
1831                                 const char *newname_in,
1832                                 uint32 attrs)
1833 {
1834         SMB_STRUCT_STAT sbuf1, sbuf2;
1835         char *oldname = NULL;
1836         char *newname = NULL;
1837         char *last_component_oldname = NULL;
1838         char *last_component_newname = NULL;
1839         files_struct *fsp1,*fsp2;
1840         uint32 fattr;
1841         int info;
1842         SMB_OFF_T ret=-1;
1843         NTSTATUS status = NT_STATUS_OK;
1844
1845         ZERO_STRUCT(sbuf1);
1846         ZERO_STRUCT(sbuf2);
1847
1848         if (!CAN_WRITE(conn)) {
1849                 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1850         }
1851
1852         status = unix_convert(ctx, conn, oldname_in, False, &oldname,
1853                         &last_component_oldname, &sbuf1);
1854         if (!NT_STATUS_IS_OK(status)) {
1855                 return status;
1856         }
1857
1858         status = check_name(conn, oldname);
1859         if (!NT_STATUS_IS_OK(status)) {
1860                 return status;
1861         }
1862
1863         /* Source must already exist. */
1864         if (!VALID_STAT(sbuf1)) {
1865                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1866         }
1867         /* Ensure attributes match. */
1868         fattr = dos_mode(conn,oldname,&sbuf1);
1869         if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1870                 return NT_STATUS_NO_SUCH_FILE;
1871         }
1872
1873         status = unix_convert(ctx, conn, newname_in, False, &newname,
1874                         &last_component_newname, &sbuf2);
1875         if (!NT_STATUS_IS_OK(status)) {
1876                 return status;
1877         }
1878
1879         status = check_name(conn, newname);
1880         if (!NT_STATUS_IS_OK(status)) {
1881                 return status;
1882         }
1883
1884         /* Disallow if newname already exists. */
1885         if (VALID_STAT(sbuf2)) {
1886                 return NT_STATUS_OBJECT_NAME_COLLISION;
1887         }
1888
1889         /* No links from a directory. */
1890         if (S_ISDIR(sbuf1.st_mode)) {
1891                 return NT_STATUS_FILE_IS_A_DIRECTORY;
1892         }
1893
1894         /* Ensure this is within the share. */
1895         status = check_reduced_name(conn, oldname);
1896         if (!NT_STATUS_IS_OK(status)) {
1897                 return status;
1898         }
1899
1900         DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1901                                 oldname, newname));
1902
1903         status = open_file_ntcreate(conn, req, oldname, &sbuf1,
1904                         FILE_READ_DATA, /* Read-only. */
1905                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1906                         FILE_OPEN,
1907                         0, /* No create options. */
1908                         FILE_ATTRIBUTE_NORMAL,
1909                         NO_OPLOCK,
1910                         &info, &fsp1);
1911
1912         if (!NT_STATUS_IS_OK(status)) {
1913                 return status;
1914         }
1915
1916         status = open_file_ntcreate(conn, req, newname, &sbuf2,
1917                         FILE_WRITE_DATA, /* Read-only. */
1918                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1919                         FILE_CREATE,
1920                         0, /* No create options. */
1921                         fattr,
1922                         NO_OPLOCK,
1923                         &info, &fsp2);
1924
1925         if (!NT_STATUS_IS_OK(status)) {
1926                 close_file(fsp1,ERROR_CLOSE);
1927                 return status;
1928         }
1929
1930         if (sbuf1.st_size) {
1931                 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1932         }
1933
1934         /*
1935          * As we are opening fsp1 read-only we only expect
1936          * an error on close on fsp2 if we are out of space.
1937          * Thus we don't look at the error return from the
1938          * close of fsp1.
1939          */
1940         close_file(fsp1,NORMAL_CLOSE);
1941
1942         /* Ensure the modtime is set correctly on the destination file. */
1943         fsp_set_pending_modtime(fsp2, get_mtimespec(&sbuf1));
1944
1945         status = close_file(fsp2,NORMAL_CLOSE);
1946
1947         /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1948            creates the file. This isn't the correct thing to do in the copy
1949            case. JRA */
1950         file_set_dosmode(conn, newname, fattr, &sbuf2,
1951                          parent_dirname(newname),false);
1952
1953         if (ret < (SMB_OFF_T)sbuf1.st_size) {
1954                 return NT_STATUS_DISK_FULL;
1955         }
1956
1957         if (!NT_STATUS_IS_OK(status)) {
1958                 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1959                         nt_errstr(status), oldname, newname));
1960         }
1961         return status;
1962 }
1963
1964 /****************************************************************************
1965  Reply to a NT rename request.
1966 ****************************************************************************/
1967
1968 void reply_ntrename(connection_struct *conn, struct smb_request *req)
1969 {
1970         char *oldname = NULL;
1971         char *newname = NULL;
1972         char *p;
1973         NTSTATUS status;
1974         bool src_has_wcard = False;
1975         bool dest_has_wcard = False;
1976         uint32 attrs;
1977         uint16 rename_type;
1978         TALLOC_CTX *ctx = talloc_tos();
1979
1980         START_PROFILE(SMBntrename);
1981
1982         if (req->wct < 4) {
1983                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1984                 END_PROFILE(SMBntrename);
1985                 return;
1986         }
1987
1988         attrs = SVAL(req->inbuf,smb_vwv0);
1989         rename_type = SVAL(req->inbuf,smb_vwv1);
1990
1991         p = smb_buf(req->inbuf) + 1;
1992         p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &oldname, p,
1993                                    0, STR_TERMINATE, &status,
1994                                    &src_has_wcard);
1995         if (!NT_STATUS_IS_OK(status)) {
1996                 reply_nterror(req, status);
1997                 END_PROFILE(SMBntrename);
1998                 return;
1999         }
2000
2001         if( is_ntfs_stream_name(oldname)) {
2002                 /* Can't rename a stream. */
2003                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2004                 END_PROFILE(SMBntrename);
2005                 return;
2006         }
2007
2008         if (ms_has_wild(oldname)) {
2009                 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
2010                 END_PROFILE(SMBntrename);
2011                 return;
2012         }
2013
2014         p++;
2015         p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &newname, p,
2016                                    0, STR_TERMINATE, &status,
2017                                    &dest_has_wcard);
2018         if (!NT_STATUS_IS_OK(status)) {
2019                 reply_nterror(req, status);
2020                 END_PROFILE(SMBntrename);
2021                 return;
2022         }
2023
2024         status = resolve_dfspath(ctx, conn,
2025                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
2026                                 oldname,
2027                                 &oldname);
2028         if (!NT_STATUS_IS_OK(status)) {
2029                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
2030                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
2031                                         ERRSRV, ERRbadpath);
2032                         END_PROFILE(SMBntrename);
2033                         return;
2034                 }
2035                 reply_nterror(req, status);
2036                 END_PROFILE(SMBntrename);
2037                 return;
2038         }
2039
2040         status = resolve_dfspath(ctx, conn,
2041                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
2042                                 newname,
2043                                 &newname);
2044         if (!NT_STATUS_IS_OK(status)) {
2045                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
2046                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
2047                                         ERRSRV, ERRbadpath);
2048                         END_PROFILE(SMBntrename);
2049                         return;
2050                 }
2051                 reply_nterror(req, status);
2052                 END_PROFILE(SMBntrename);
2053                 return;
2054         }
2055
2056         DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
2057
2058         switch(rename_type) {
2059                 case RENAME_FLAG_RENAME:
2060                         status = rename_internals(ctx, conn, req, oldname,
2061                                         newname, attrs, False, src_has_wcard,
2062                                         dest_has_wcard);
2063                         break;
2064                 case RENAME_FLAG_HARD_LINK:
2065                         if (src_has_wcard || dest_has_wcard) {
2066                                 /* No wildcards. */
2067                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
2068                         } else {
2069                                 status = hardlink_internals(ctx,
2070                                                 conn,
2071                                                 oldname,
2072                                                 newname);
2073                         }
2074                         break;
2075                 case RENAME_FLAG_COPY:
2076                         if (src_has_wcard || dest_has_wcard) {
2077                                 /* No wildcards. */
2078                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
2079                         } else {
2080                                 status = copy_internals(ctx, conn, req, oldname,
2081                                                         newname, attrs);
2082                         }
2083                         break;
2084                 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
2085                         status = NT_STATUS_INVALID_PARAMETER;
2086                         break;
2087                 default:
2088                         status = NT_STATUS_ACCESS_DENIED; /* Default error. */
2089                         break;
2090         }
2091
2092         if (!NT_STATUS_IS_OK(status)) {
2093                 if (open_was_deferred(req->mid)) {
2094                         /* We have re-scheduled this call. */
2095                         END_PROFILE(SMBntrename);
2096                         return;
2097                 }
2098
2099                 reply_nterror(req, status);
2100                 END_PROFILE(SMBntrename);
2101                 return;
2102         }
2103
2104         reply_outbuf(req, 0, 0);
2105
2106         END_PROFILE(SMBntrename);
2107         return;
2108 }
2109
2110 /****************************************************************************
2111  Reply to a notify change - queue the request and
2112  don't allow a directory to be opened.
2113 ****************************************************************************/
2114
2115 static void call_nt_transact_notify_change(connection_struct *conn,
2116                                            struct smb_request *req,
2117                                            uint16 **ppsetup,
2118                                            uint32 setup_count,
2119                                            char **ppparams,
2120                                            uint32 parameter_count,
2121                                            char **ppdata, uint32 data_count,
2122                                            uint32 max_data_count,
2123                                            uint32 max_param_count)
2124 {
2125         uint16 *setup = *ppsetup;
2126         files_struct *fsp;
2127         uint32 filter;
2128         NTSTATUS status;
2129         bool recursive;
2130
2131         if(setup_count < 6) {
2132                 reply_doserror(req, ERRDOS, ERRbadfunc);
2133                 return;
2134         }
2135
2136         fsp = file_fsp(SVAL(setup,4));
2137         filter = IVAL(setup, 0);
2138         recursive = (SVAL(setup, 6) != 0) ? True : False;
2139
2140         DEBUG(3,("call_nt_transact_notify_change\n"));
2141
2142         if(!fsp) {
2143                 reply_doserror(req, ERRDOS, ERRbadfid);
2144                 return;
2145         }
2146
2147         {
2148                 char *filter_string;
2149
2150                 if (!(filter_string = notify_filter_string(NULL, filter))) {
2151                         reply_nterror(req,NT_STATUS_NO_MEMORY);
2152                         return;
2153                 }
2154
2155                 DEBUG(3,("call_nt_transact_notify_change: notify change "
2156                          "called on %s, filter = %s, recursive = %d\n",
2157                          fsp->fsp_name, filter_string, recursive));
2158
2159                 TALLOC_FREE(filter_string);
2160         }
2161
2162         if((!fsp->is_directory) || (conn != fsp->conn)) {
2163                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2164                 return;
2165         }
2166
2167         if (fsp->notify == NULL) {
2168
2169                 status = change_notify_create(fsp, filter, recursive);
2170
2171                 if (!NT_STATUS_IS_OK(status)) {
2172                         DEBUG(10, ("change_notify_create returned %s\n",
2173                                    nt_errstr(status)));
2174                         reply_nterror(req, status);
2175                         return;
2176                 }
2177         }
2178
2179         if (fsp->notify->num_changes != 0) {
2180
2181                 /*
2182                  * We've got changes pending, respond immediately
2183                  */
2184
2185                 /*
2186                  * TODO: write a torture test to check the filtering behaviour
2187                  * here.
2188                  */
2189
2190                 change_notify_reply(req->inbuf, max_param_count, fsp->notify);
2191
2192                 /*
2193                  * change_notify_reply() above has independently sent its
2194                  * results
2195                  */
2196                 return;
2197         }
2198
2199         /*
2200          * No changes pending, queue the request
2201          */
2202
2203         status = change_notify_add_request(req->inbuf, max_param_count, filter,
2204                         recursive, fsp);
2205         if (!NT_STATUS_IS_OK(status)) {
2206                 reply_nterror(req, status);
2207         }
2208         return;
2209 }
2210
2211 /****************************************************************************
2212  Reply to an NT transact rename command.
2213 ****************************************************************************/
2214
2215 static void call_nt_transact_rename(connection_struct *conn,
2216                                     struct smb_request *req,
2217                                     uint16 **ppsetup, uint32 setup_count,
2218                                     char **ppparams, uint32 parameter_count,
2219                                     char **ppdata, uint32 data_count,
2220                                     uint32 max_data_count)
2221 {
2222         char *params = *ppparams;
2223         char *new_name = NULL;
2224         files_struct *fsp = NULL;
2225         bool replace_if_exists = False;
2226         bool dest_has_wcard = False;
2227         NTSTATUS status;
2228         TALLOC_CTX *ctx = talloc_tos();
2229
2230         if(parameter_count < 5) {
2231                 reply_doserror(req, ERRDOS, ERRbadfunc);
2232                 return;
2233         }
2234
2235         fsp = file_fsp(SVAL(params, 0));
2236         replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
2237         if (!check_fsp(conn, req, fsp, &current_user)) {
2238                 return;
2239         }
2240         srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
2241                               parameter_count - 4,
2242                               STR_TERMINATE, &status, &dest_has_wcard);
2243         if (!NT_STATUS_IS_OK(status)) {
2244                 reply_nterror(req, status);
2245                 return;
2246         }
2247
2248         status = rename_internals(ctx,
2249                         conn,
2250                         req,
2251                         fsp->fsp_name,
2252                         new_name,
2253                         0,
2254                         replace_if_exists,
2255                         False,
2256                         dest_has_wcard);
2257
2258         if (!NT_STATUS_IS_OK(status)) {
2259                 if (open_was_deferred(req->mid)) {
2260                         /* We have re-scheduled this call. */
2261                         return;
2262                 }
2263                 reply_nterror(req, status);
2264                 return;
2265         }
2266
2267         /*
2268          * Rename was successful.
2269          */
2270         send_nt_replies(req, NT_STATUS_OK, NULL, 0, NULL, 0);
2271
2272         DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
2273                  fsp->fsp_name, new_name));
2274
2275         return;
2276 }
2277
2278 /******************************************************************************
2279  Fake up a completely empty SD.
2280 *******************************************************************************/
2281
2282 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
2283 {
2284         size_t sd_size;
2285
2286         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
2287         if(!*ppsd) {
2288                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
2289                 return NT_STATUS_NO_MEMORY;
2290         }
2291
2292         return NT_STATUS_OK;
2293 }
2294
2295 /****************************************************************************
2296  Reply to query a security descriptor.
2297 ****************************************************************************/
2298
2299 static void call_nt_transact_query_security_desc(connection_struct *conn,
2300                                                  struct smb_request *req,
2301                                                  uint16 **ppsetup,
2302                                                  uint32 setup_count,
2303                                                  char **ppparams,
2304                                                  uint32 parameter_count,
2305                                                  char **ppdata,
2306                                                  uint32 data_count,
2307                                                  uint32 max_data_count)
2308 {
2309         char *params = *ppparams;
2310         char *data = *ppdata;
2311         prs_struct pd;
2312         SEC_DESC *psd = NULL;
2313         size_t sd_size;
2314         uint32 security_info_wanted;
2315         TALLOC_CTX *mem_ctx;
2316         files_struct *fsp = NULL;
2317         NTSTATUS status;
2318
2319         if(parameter_count < 8) {
2320                 reply_doserror(req, ERRDOS, ERRbadfunc);
2321                 return;
2322         }
2323
2324         fsp = file_fsp(SVAL(params,0));
2325         if(!fsp) {
2326                 reply_doserror(req, ERRDOS, ERRbadfid);
2327                 return;
2328         }
2329
2330         security_info_wanted = IVAL(params,4);
2331
2332         DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
2333                         (unsigned int)security_info_wanted ));
2334
2335         params = nttrans_realloc(ppparams, 4);
2336         if(params == NULL) {
2337                 reply_doserror(req, ERRDOS, ERRnomem);
2338                 return;
2339         }
2340
2341         if ((mem_ctx = talloc_init("call_nt_transact_query_security_desc")) == NULL) {
2342                 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
2343                 reply_doserror(req, ERRDOS, ERRnomem);
2344                 return;
2345         }
2346
2347         /*
2348          * Get the permissions to return.
2349          */
2350
2351         if (!lp_nt_acl_support(SNUM(conn))) {
2352                 status = get_null_nt_acl(mem_ctx, &psd);
2353         } else {
2354                 status = SMB_VFS_FGET_NT_ACL(fsp, fsp->fh->fd,
2355                                              security_info_wanted, &psd);
2356         }
2357
2358         if (!NT_STATUS_IS_OK(status)) {
2359                 talloc_destroy(mem_ctx);
2360                 reply_nterror(req, status);
2361                 return;
2362         }
2363
2364         sd_size = sec_desc_size(psd);
2365
2366         DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
2367
2368         SIVAL(params,0,(uint32)sd_size);
2369
2370         if(max_data_count < sd_size) {
2371
2372                 send_nt_replies(req, NT_STATUS_BUFFER_TOO_SMALL,
2373                                 params, 4, *ppdata, 0);
2374                 talloc_destroy(mem_ctx);
2375                 return;
2376         }
2377
2378         /*
2379          * Allocate the data we will point this at.
2380          */
2381
2382         data = nttrans_realloc(ppdata, sd_size);
2383         if(data == NULL) {
2384                 talloc_destroy(mem_ctx);
2385                 reply_doserror(req, ERRDOS, ERRnomem);
2386                 return;
2387         }
2388
2389         /*
2390          * Init the parse struct we will marshall into.
2391          */
2392
2393         prs_init(&pd, 0, mem_ctx, MARSHALL);
2394
2395         /*
2396          * Setup the prs_struct to point at the memory we just
2397          * allocated.
2398          */
2399
2400         prs_give_memory( &pd, data, (uint32)sd_size, False);
2401
2402         /*
2403          * Finally, linearize into the outgoing buffer.
2404          */
2405
2406         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
2407                 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
2408 security descriptor.\n"));
2409                 /*
2410                  * Return access denied for want of a better error message..
2411                  */
2412                 talloc_destroy(mem_ctx);
2413                 reply_unixerror(req, ERRDOS, ERRnoaccess);
2414                 return;
2415         }
2416
2417         /*
2418          * Now we can delete the security descriptor.
2419          */
2420
2421         talloc_destroy(mem_ctx);
2422
2423         send_nt_replies(req, NT_STATUS_OK, params, 4, data, (int)sd_size);
2424         return;
2425 }
2426
2427 /****************************************************************************
2428  Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2429 ****************************************************************************/
2430
2431 static void call_nt_transact_set_security_desc(connection_struct *conn,
2432                                                struct smb_request *req,
2433                                                uint16 **ppsetup,
2434                                                uint32 setup_count,
2435                                                char **ppparams,
2436                                                uint32 parameter_count,
2437                                                char **ppdata,
2438                                                uint32 data_count,
2439                                                uint32 max_data_count)
2440 {
2441         char *params= *ppparams;
2442         char *data = *ppdata;
2443         files_struct *fsp = NULL;
2444         uint32 security_info_sent = 0;
2445         NTSTATUS nt_status;
2446
2447         if(parameter_count < 8) {
2448                 reply_doserror(req, ERRDOS, ERRbadfunc);
2449                 return;
2450         }
2451
2452         if((fsp = file_fsp(SVAL(params,0))) == NULL) {
2453                 reply_doserror(req, ERRDOS, ERRbadfid);
2454                 return;
2455         }
2456
2457         if(!lp_nt_acl_support(SNUM(conn))) {
2458                 goto done;
2459         }
2460
2461         security_info_sent = IVAL(params,4);
2462
2463         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
2464                 (unsigned int)security_info_sent ));
2465
2466         if (data_count == 0) {
2467                 reply_doserror(req, ERRDOS, ERRnoaccess);
2468                 return;
2469         }
2470
2471         if (!NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, data_count, security_info_sent))) {
2472                 reply_nterror(req, nt_status);
2473                 return;
2474         }
2475
2476   done:
2477
2478         send_nt_replies(req, NT_STATUS_OK, NULL, 0, NULL, 0);
2479         return;
2480 }
2481
2482 /****************************************************************************
2483  Reply to NT IOCTL
2484 ****************************************************************************/
2485
2486 static void call_nt_transact_ioctl(connection_struct *conn,
2487                                    struct smb_request *req,
2488                                    uint16 **ppsetup, uint32 setup_count,
2489                                    char **ppparams, uint32 parameter_count,
2490                                    char **ppdata, uint32 data_count,
2491                                    uint32 max_data_count)
2492 {
2493         uint32 function;
2494         uint16 fidnum;
2495         files_struct *fsp;
2496         uint8 isFSctl;
2497         uint8 compfilter;
2498         static bool logged_message;
2499         char *pdata = *ppdata;
2500
2501         if (setup_count != 8) {
2502                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2503                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2504                 return;
2505         }
2506
2507         function = IVAL(*ppsetup, 0);
2508         fidnum = SVAL(*ppsetup, 4);
2509         isFSctl = CVAL(*ppsetup, 6);
2510         compfilter = CVAL(*ppsetup, 7);
2511
2512         DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2513                  function, fidnum, isFSctl, compfilter));
2514
2515         fsp=file_fsp(fidnum);
2516         /* this check is done in each implemented function case for now
2517            because I don't want to break anything... --metze
2518         FSP_BELONGS_CONN(fsp,conn);*/
2519
2520         switch (function) {
2521         case FSCTL_SET_SPARSE:
2522                 /* pretend this succeeded - tho strictly we should
2523                    mark the file sparse (if the local fs supports it)
2524                    so we can know if we need to pre-allocate or not */
2525
2526                 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2527                 send_nt_replies(req, NT_STATUS_OK, NULL, 0, NULL, 0);
2528                 return;
2529
2530         case FSCTL_CREATE_OR_GET_OBJECT_ID:
2531         {
2532                 unsigned char objid[16];
2533
2534                 /* This should return the object-id on this file.
2535                  * I think I'll make this be the inode+dev. JRA.
2536                  */
2537
2538                 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
2539
2540                 if (!fsp_belongs_conn(conn, req, fsp, &current_user)) {
2541                         return;
2542                 }
2543
2544                 data_count = 64;
2545                 pdata = nttrans_realloc(ppdata, data_count);
2546                 if (pdata == NULL) {
2547                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2548                         return;
2549                 }
2550                 push_file_id_16(pdata, &fsp->file_id);
2551                 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
2552                 push_file_id_16(pdata+32, &fsp->file_id);
2553                 send_nt_replies(req, NT_STATUS_OK, NULL, 0,
2554                                 pdata, data_count);
2555                 return;
2556         }
2557
2558         case FSCTL_GET_REPARSE_POINT:
2559                 /* pretend this fail - my winXP does it like this
2560                  * --metze
2561                  */
2562
2563                 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2564                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2565                 return;
2566
2567         case FSCTL_SET_REPARSE_POINT:
2568                 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2569                  * --metze
2570                  */
2571
2572                 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2573                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2574                 return;
2575
2576         case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2577         {
2578                 /*
2579                  * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2580                  * and return their volume names.  If max_data_count is 16, then it is just
2581                  * asking for the number of volumes and length of the combined names.
2582                  *
2583                  * pdata is the data allocated by our caller, but that uses
2584                  * total_data_count (which is 0 in our case) rather than max_data_count.
2585                  * Allocate the correct amount and return the pointer to let
2586                  * it be deallocated when we return.
2587                  */
2588                 SHADOW_COPY_DATA *shadow_data = NULL;
2589                 TALLOC_CTX *shadow_mem_ctx = NULL;
2590                 bool labels = False;
2591                 uint32 labels_data_count = 0;
2592                 uint32 i;
2593                 char *cur_pdata;
2594
2595                 if (!fsp_belongs_conn(conn, req, fsp, &current_user)) {
2596                         return;
2597                 }
2598
2599                 if (max_data_count < 16) {
2600                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2601                                 max_data_count));
2602                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2603                         return;
2604                 }
2605
2606                 if (max_data_count > 16) {
2607                         labels = True;
2608                 }
2609
2610                 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2611                 if (shadow_mem_ctx == NULL) {
2612                         DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2613                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2614                         return;
2615                 }
2616
2617                 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2618                 if (shadow_data == NULL) {
2619                         DEBUG(0,("TALLOC_ZERO() failed!\n"));
2620                         talloc_destroy(shadow_mem_ctx);
2621                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2622                         return;
2623                 }
2624
2625                 shadow_data->mem_ctx = shadow_mem_ctx;
2626
2627                 /*
2628                  * Call the VFS routine to actually do the work.
2629                  */
2630                 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2631                         talloc_destroy(shadow_data->mem_ctx);
2632                         if (errno == ENOSYS) {
2633                                 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2634                                         conn->connectpath));
2635                                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2636                                 return;
2637                         } else {
2638                                 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2639                                         conn->connectpath));
2640                                 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
2641                                 return;
2642                         }
2643                 }
2644
2645                 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2646
2647                 if (!labels) {
2648                         data_count = 16;
2649                 } else {
2650                         data_count = 12+labels_data_count+4;
2651                 }
2652
2653                 if (max_data_count<data_count) {
2654                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2655                                 max_data_count,data_count));
2656                         talloc_destroy(shadow_data->mem_ctx);
2657                         reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
2658                         return;
2659                 }
2660
2661                 pdata = nttrans_realloc(ppdata, data_count);
2662                 if (pdata == NULL) {
2663                         talloc_destroy(shadow_data->mem_ctx);
2664                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2665                         return;
2666                 }
2667
2668                 cur_pdata = pdata;
2669
2670                 /* num_volumes 4 bytes */
2671                 SIVAL(pdata,0,shadow_data->num_volumes);
2672
2673                 if (labels) {
2674                         /* num_labels 4 bytes */
2675                         SIVAL(pdata,4,shadow_data->num_volumes);
2676                 }
2677
2678                 /* needed_data_count 4 bytes */
2679                 SIVAL(pdata,8,labels_data_count);
2680
2681                 cur_pdata+=12;
2682
2683                 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2684                         shadow_data->num_volumes,fsp->fsp_name));
2685                 if (labels && shadow_data->labels) {
2686                         for (i=0;i<shadow_data->num_volumes;i++) {
2687                                 srvstr_push(pdata, req->flags2,
2688                                             cur_pdata, shadow_data->labels[i],
2689                                             2*sizeof(SHADOW_COPY_LABEL),
2690                                             STR_UNICODE|STR_TERMINATE);
2691                                 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2692                                 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2693                         }
2694                 }
2695
2696                 talloc_destroy(shadow_data->mem_ctx);
2697
2698                 send_nt_replies(req, NT_STATUS_OK, NULL, 0,
2699                                 pdata, data_count);
2700
2701                 return;
2702         }
2703
2704         case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2705         {
2706                 /* pretend this succeeded -
2707                  *
2708                  * we have to send back a list with all files owned by this SID
2709                  *
2710                  * but I have to check that --metze
2711                  */
2712                 DOM_SID sid;
2713                 uid_t uid;
2714                 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2715
2716                 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2717
2718                 if (!fsp_belongs_conn(conn, req, fsp, &current_user)) {
2719                         return;
2720                 }
2721
2722                 /* unknown 4 bytes: this is not the length of the sid :-(  */
2723                 /*unknown = IVAL(pdata,0);*/
2724
2725                 sid_parse(pdata+4,sid_len,&sid);
2726                 DEBUGADD(10,("for SID: %s\n",sid_string_static(&sid)));
2727
2728                 if (!sid_to_uid(&sid, &uid)) {
2729                         DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2730                                 sid_string_static(&sid),(unsigned long)sid_len));
2731                         uid = (-1);
2732                 }
2733
2734                 /* we can take a look at the find source :-)
2735                  *
2736                  * find ./ -uid $uid  -name '*'   is what we need here
2737                  *
2738                  *
2739                  * and send 4bytes len and then NULL terminated unicode strings
2740                  * for each file
2741                  *
2742                  * but I don't know how to deal with the paged results
2743                  * (maybe we can hang the result anywhere in the fsp struct)
2744                  *
2745                  * we don't send all files at once
2746                  * and at the next we should *not* start from the beginning,
2747                  * so we have to cache the result
2748                  *
2749                  * --metze
2750                  */
2751
2752                 /* this works for now... */
2753                 send_nt_replies(req, NT_STATUS_OK, NULL, 0, NULL, 0);
2754                 return;
2755         }
2756         default:
2757                 if (!logged_message) {
2758                         logged_message = True; /* Only print this once... */
2759                         DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2760                                  function));
2761                 }
2762         }
2763
2764         reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2765 }
2766
2767
2768 #ifdef HAVE_SYS_QUOTAS
2769 /****************************************************************************
2770  Reply to get user quota
2771 ****************************************************************************/
2772
2773 static void call_nt_transact_get_user_quota(connection_struct *conn,
2774                                             struct smb_request *req,
2775                                             uint16 **ppsetup,
2776                                             uint32 setup_count,
2777                                             char **ppparams,
2778                                             uint32 parameter_count,
2779                                             char **ppdata,
2780                                             uint32 data_count,
2781                                             uint32 max_data_count)
2782 {
2783         NTSTATUS nt_status = NT_STATUS_OK;
2784         char *params = *ppparams;
2785         char *pdata = *ppdata;
2786         char *entry;
2787         int data_len=0,param_len=0;
2788         int qt_len=0;
2789         int entry_len = 0;
2790         files_struct *fsp = NULL;
2791         uint16 level = 0;
2792         size_t sid_len;
2793         DOM_SID sid;
2794         bool start_enum = True;
2795         SMB_NTQUOTA_STRUCT qt;
2796         SMB_NTQUOTA_LIST *tmp_list;
2797         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2798
2799         ZERO_STRUCT(qt);
2800
2801         /* access check */
2802         if (current_user.ut.uid != 0) {
2803                 DEBUG(1,("get_user_quota: access_denied service [%s] user [%s]\n",
2804                         lp_servicename(SNUM(conn)),conn->user));
2805                 reply_doserror(req, ERRDOS, ERRnoaccess);
2806                 return;
2807         }
2808
2809         /*
2810          * Ensure minimum number of parameters sent.
2811          */
2812
2813         if (parameter_count < 4) {
2814                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2815                 reply_doserror(req, ERRDOS, ERRinvalidparam);
2816                 return;
2817         }
2818
2819         /* maybe we can check the quota_fnum */
2820         fsp = file_fsp(SVAL(params,0));
2821         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2822                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2823                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2824                 return;
2825         }
2826
2827         /* the NULL pointer checking for fsp->fake_file_handle->pd
2828          * is done by CHECK_NTQUOTA_HANDLE_OK()
2829          */
2830         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
2831
2832         level = SVAL(params,2);
2833
2834         /* unknown 12 bytes leading in params */
2835
2836         switch (level) {
2837                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2838                         /* seems that we should continue with the enum here --metze */
2839
2840                         if (qt_handle->quota_list!=NULL &&
2841                             qt_handle->tmp_list==NULL) {
2842
2843                                 /* free the list */
2844                                 free_ntquota_list(&(qt_handle->quota_list));
2845
2846                                 /* Realloc the size of parameters and data we will return */
2847                                 param_len = 4;
2848                                 params = nttrans_realloc(ppparams, param_len);
2849                                 if(params == NULL) {
2850                                         reply_doserror(req, ERRDOS, ERRnomem);
2851                                         return;
2852                                 }
2853
2854                                 data_len = 0;
2855                                 SIVAL(params,0,data_len);
2856
2857                                 break;
2858                         }
2859
2860                         start_enum = False;
2861
2862                 case TRANSACT_GET_USER_QUOTA_LIST_START:
2863
2864                         if (qt_handle->quota_list==NULL &&
2865                                 qt_handle->tmp_list==NULL) {
2866                                 start_enum = True;
2867                         }
2868
2869                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2870                                 reply_doserror(req, ERRSRV, ERRerror);
2871                                 return;
2872                         }
2873
2874                         /* Realloc the size of parameters and data we will return */
2875                         param_len = 4;
2876                         params = nttrans_realloc(ppparams, param_len);
2877                         if(params == NULL) {
2878                                 reply_doserror(req, ERRDOS, ERRnomem);
2879                                 return;
2880                         }
2881
2882                         /* we should not trust the value in max_data_count*/
2883                         max_data_count = MIN(max_data_count,2048);
2884
2885                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2886                         if(pdata == NULL) {
2887                                 reply_doserror(req, ERRDOS, ERRnomem);
2888                                 return;
2889                         }
2890
2891                         entry = pdata;
2892
2893                         /* set params Size of returned Quota Data 4 bytes*/
2894                         /* but set it later when we know it */
2895
2896                         /* for each entry push the data */
2897
2898                         if (start_enum) {
2899                                 qt_handle->tmp_list = qt_handle->quota_list;
2900                         }
2901
2902                         tmp_list = qt_handle->tmp_list;
2903
2904                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2905                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2906
2907                                 sid_len = sid_size(&tmp_list->quotas->sid);
2908                                 entry_len = 40 + sid_len;
2909
2910                                 /* nextoffset entry 4 bytes */
2911                                 SIVAL(entry,0,entry_len);
2912
2913                                 /* then the len of the SID 4 bytes */
2914                                 SIVAL(entry,4,sid_len);
2915
2916                                 /* unknown data 8 bytes SMB_BIG_UINT */
2917                                 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2918
2919                                 /* the used disk space 8 bytes SMB_BIG_UINT */
2920                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2921
2922                                 /* the soft quotas 8 bytes SMB_BIG_UINT */
2923                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2924
2925                                 /* the hard quotas 8 bytes SMB_BIG_UINT */
2926                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2927
2928                                 /* and now the SID */
2929                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2930                         }
2931
2932                         qt_handle->tmp_list = tmp_list;
2933
2934                         /* overwrite the offset of the last entry */
2935                         SIVAL(entry-entry_len,0,0);
2936
2937                         data_len = 4+qt_len;
2938                         /* overwrite the params quota_data_len */
2939                         SIVAL(params,0,data_len);
2940
2941                         break;
2942
2943                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2944
2945                         /* unknown 4 bytes IVAL(pdata,0) */
2946
2947                         if (data_count < 8) {
2948                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2949                                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2950                                 return;
2951                         }
2952
2953                         sid_len = IVAL(pdata,4);
2954                         /* Ensure this is less than 1mb. */
2955                         if (sid_len > (1024*1024)) {
2956                                 reply_doserror(req, ERRDOS, ERRnomem);
2957                                 return;
2958                         }
2959
2960                         if (data_count < 8+sid_len) {
2961                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2962                                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2963                                 return;
2964                         }
2965
2966                         data_len = 4+40+sid_len;
2967
2968                         if (max_data_count < data_len) {
2969                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2970                                         max_data_count, data_len));
2971                                 param_len = 4;
2972                                 SIVAL(params,0,data_len);
2973                                 data_len = 0;
2974                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2975                                 break;
2976                         }
2977
2978                         sid_parse(pdata+8,sid_len,&sid);
2979
2980                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2981                                 ZERO_STRUCT(qt);
2982                                 /*
2983                                  * we have to return zero's in all fields
2984                                  * instead of returning an error here
2985                                  * --metze
2986                                  */
2987                         }
2988
2989                         /* Realloc the size of parameters and data we will return */
2990                         param_len = 4;
2991                         params = nttrans_realloc(ppparams, param_len);
2992                         if(params == NULL) {
2993                                 reply_doserror(req, ERRDOS, ERRnomem);
2994                                 return;
2995                         }
2996
2997                         pdata = nttrans_realloc(ppdata, data_len);
2998                         if(pdata == NULL) {
2999                                 reply_doserror(req, ERRDOS, ERRnomem);
3000                                 return;
3001                         }
3002
3003                         entry = pdata;
3004
3005                         /* set params Size of returned Quota Data 4 bytes*/
3006                         SIVAL(params,0,data_len);
3007
3008                         /* nextoffset entry 4 bytes */
3009                         SIVAL(entry,0,0);
3010
3011                         /* then the len of the SID 4 bytes */
3012                         SIVAL(entry,4,sid_len);
3013
3014                         /* unknown data 8 bytes SMB_BIG_UINT */
3015                         SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
3016
3017                         /* the used disk space 8 bytes SMB_BIG_UINT */
3018                         SBIG_UINT(entry,16,qt.usedspace);
3019
3020                         /* the soft quotas 8 bytes SMB_BIG_UINT */
3021                         SBIG_UINT(entry,24,qt.softlim);
3022
3023                         /* the hard quotas 8 bytes SMB_BIG_UINT */
3024                         SBIG_UINT(entry,32,qt.hardlim);
3025
3026                         /* and now the SID */
3027                         sid_linearize(entry+40, sid_len, &sid);
3028
3029                         break;
3030
3031                 default:
3032                         DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
3033                         reply_doserror(req, ERRSRV, ERRerror);
3034                         return;
3035                         break;
3036         }
3037
3038         send_nt_replies(req, nt_status, params, param_len,
3039                         pdata, data_len);
3040 }
3041
3042 /****************************************************************************
3043  Reply to set user quota
3044 ****************************************************************************/
3045
3046 static void call_nt_transact_set_user_quota(connection_struct *conn,
3047                                             struct smb_request *req,
3048                                             uint16 **ppsetup,
3049                                             uint32 setup_count,
3050                                             char **ppparams,
3051                                             uint32 parameter_count,
3052                                             char **ppdata,
3053                                             uint32 data_count,
3054                                             uint32 max_data_count)
3055 {
3056         char *params = *ppparams;
3057         char *pdata = *ppdata;
3058         int data_len=0,param_len=0;
3059         SMB_NTQUOTA_STRUCT qt;
3060         size_t sid_len;
3061         DOM_SID sid;
3062         files_struct *fsp = NULL;
3063
3064         ZERO_STRUCT(qt);
3065
3066         /* access check */
3067         if (current_user.ut.uid != 0) {
3068                 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
3069                         lp_servicename(SNUM(conn)),conn->user));
3070                 reply_doserror(req, ERRDOS, ERRnoaccess);
3071                 return;
3072         }
3073
3074         /*
3075          * Ensure minimum number of parameters sent.
3076          */
3077
3078         if (parameter_count < 2) {
3079                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
3080                 reply_doserror(req, ERRDOS, ERRinvalidparam);
3081                 return;
3082         }
3083
3084         /* maybe we can check the quota_fnum */
3085         fsp = file_fsp(SVAL(params,0));
3086         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
3087                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
3088                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
3089                 return;
3090         }
3091
3092         if (data_count < 40) {
3093                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
3094                 reply_doserror(req, ERRDOS, ERRunknownlevel);
3095                 return;
3096         }
3097
3098         /* offset to next quota record.
3099          * 4 bytes IVAL(pdata,0)
3100          * unused here...
3101          */
3102
3103         /* sid len */
3104         sid_len = IVAL(pdata,4);
3105
3106         if (data_count < 40+sid_len) {
3107                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
3108                 reply_doserror(req, ERRDOS, ERRunknownlevel);
3109                 return;
3110         }
3111
3112         /* unknown 8 bytes in pdata
3113          * maybe its the change time in NTTIME
3114          */
3115
3116         /* the used space 8 bytes (SMB_BIG_UINT)*/
3117         qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
3118 #ifdef LARGE_SMB_OFF_T
3119         qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
3120 #else /* LARGE_SMB_OFF_T */
3121         if ((IVAL(pdata,20) != 0)&&
3122                 ((qt.usedspace != 0xFFFFFFFF)||
3123                 (IVAL(pdata,20)!=0xFFFFFFFF))) {
3124                 /* more than 32 bits? */
3125                 reply_doserror(req, ERRDOS, ERRunknownlevel);
3126                 return;
3127         }
3128 #endif /* LARGE_SMB_OFF_T */
3129
3130         /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
3131         qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
3132 #ifdef LARGE_SMB_OFF_T
3133         qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
3134 #else /* LARGE_SMB_OFF_T */
3135         if ((IVAL(pdata,28) != 0)&&
3136                 ((qt.softlim != 0xFFFFFFFF)||
3137                 (IVAL(pdata,28)!=0xFFFFFFFF))) {
3138                 /* more than 32 bits? */
3139                 reply_doserror(req, ERRDOS, ERRunknownlevel);
3140                 return;
3141         }
3142 #endif /* LARGE_SMB_OFF_T */
3143
3144         /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
3145         qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
3146 #ifdef LARGE_SMB_OFF_T
3147         qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
3148 #else /* LARGE_SMB_OFF_T */
3149         if ((IVAL(pdata,36) != 0)&&
3150                 ((qt.hardlim != 0xFFFFFFFF)||
3151                 (IVAL(pdata,36)!=0xFFFFFFFF))) {
3152                 /* more than 32 bits? */
3153                 reply_doserror(req, ERRDOS, ERRunknownlevel);
3154                 return;
3155         }
3156 #endif /* LARGE_SMB_OFF_T */
3157
3158         sid_parse(pdata+40,sid_len,&sid);
3159         DEBUGADD(8,("SID: %s\n",sid_string_static(&sid)));
3160
3161         /* 44 unknown bytes left... */
3162
3163         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
3164                 reply_doserror(req, ERRSRV, ERRerror);
3165                 return;
3166         }
3167
3168         send_nt_replies(req, NT_STATUS_OK, params, param_len,
3169                         pdata, data_len);
3170 }
3171 #endif /* HAVE_SYS_QUOTAS */
3172
3173 static void handle_nttrans(connection_struct *conn,
3174                            struct trans_state *state,
3175                            struct smb_request *req)
3176 {
3177         if (Protocol >= PROTOCOL_NT1) {
3178                 req->flags2 |= 0x40; /* IS_LONG_NAME */
3179                 SSVAL(req->inbuf,smb_flg2,req->flags2);
3180         }
3181
3182         /* Now we must call the relevant NT_TRANS function */
3183         switch(state->call) {
3184                 case NT_TRANSACT_CREATE:
3185                 {
3186                         START_PROFILE(NT_transact_create);
3187                         call_nt_transact_create(
3188                                 conn, req,
3189                                 &state->setup, state->setup_count,
3190                                 &state->param, state->total_param,
3191                                 &state->data, state->total_data,
3192                                 state->max_data_return);
3193                         END_PROFILE(NT_transact_create);
3194                         break;
3195                 }
3196
3197                 case NT_TRANSACT_IOCTL:
3198                 {
3199                         START_PROFILE(NT_transact_ioctl);
3200                         call_nt_transact_ioctl(
3201                                 conn, req,
3202                                 &state->setup, state->setup_count,
3203                                 &state->param, state->total_param,
3204                                 &state->data, state->total_data,
3205                                 state->max_data_return);
3206                         END_PROFILE(NT_transact_ioctl);
3207                         break;
3208                 }
3209
3210                 case NT_TRANSACT_SET_SECURITY_DESC:
3211                 {
3212                         START_PROFILE(NT_transact_set_security_desc);
3213                         call_nt_transact_set_security_desc(
3214                                 conn, req,
3215                                 &state->setup, state->setup_count,
3216                                 &state->param, state->total_param,
3217                                 &state->data, state->total_data,
3218                                 state->max_data_return);
3219                         END_PROFILE(NT_transact_set_security_desc);
3220                         break;
3221                 }
3222
3223                 case NT_TRANSACT_NOTIFY_CHANGE:
3224                 {
3225                         START_PROFILE(NT_transact_notify_change);
3226                         call_nt_transact_notify_change(
3227                                 conn, req,
3228                                 &state->setup, state->setup_count,
3229                                 &state->param, state->total_param,
3230                                 &state->data, state->total_data,
3231                                 state->max_data_return,
3232                                 state->max_param_return);
3233                         END_PROFILE(NT_transact_notify_change);
3234                         break;
3235                 }
3236
3237                 case NT_TRANSACT_RENAME:
3238                 {
3239                         START_PROFILE(NT_transact_rename);
3240                         call_nt_transact_rename(
3241                                 conn, req,
3242                                 &state->setup, state->setup_count,
3243                                 &state->param, state->total_param,
3244                                 &state->data, state->total_data,
3245                                 state->max_data_return);
3246                         END_PROFILE(NT_transact_rename);
3247                         break;
3248                 }
3249
3250                 case NT_TRANSACT_QUERY_SECURITY_DESC:
3251                 {
3252                         START_PROFILE(NT_transact_query_security_desc);
3253                         call_nt_transact_query_security_desc(
3254                                 conn, req,
3255                                 &state->setup, state->setup_count,
3256                                 &state->param, state->total_param,
3257                                 &state->data, state->total_data,
3258                                 state->max_data_return);
3259                         END_PROFILE(NT_transact_query_security_desc);
3260                         break;
3261                 }
3262
3263 #ifdef HAVE_SYS_QUOTAS
3264                 case NT_TRANSACT_GET_USER_QUOTA:
3265                 {
3266                         START_PROFILE(NT_transact_get_user_quota);
3267                         call_nt_transact_get_user_quota(
3268                                 conn, req,
3269                                 &state->setup, state->setup_count,
3270                                 &state->param, state->total_param,
3271                                 &state->data, state->total_data,
3272                                 state->max_data_return);
3273                         END_PROFILE(NT_transact_get_user_quota);
3274                         break;
3275                 }
3276
3277                 case NT_TRANSACT_SET_USER_QUOTA:
3278                 {
3279                         START_PROFILE(NT_transact_set_user_quota);
3280                         call_nt_transact_set_user_quota(
3281                                 conn, req,
3282                                 &state->setup, state->setup_count,
3283                                 &state->param, state->total_param,
3284                                 &state->data, state->total_data,
3285                                 state->max_data_return);
3286                         END_PROFILE(NT_transact_set_user_quota);
3287                         break;
3288                 }
3289 #endif /* HAVE_SYS_QUOTAS */
3290
3291                 default:
3292                         /* Error in request */
3293                         DEBUG(0,("handle_nttrans: Unknown request %d in "
3294                                  "nttrans call\n", state->call));
3295                         reply_doserror(req, ERRSRV, ERRerror);
3296                         return;
3297         }
3298         return;
3299 }
3300
3301 /****************************************************************************
3302  Reply to a SMBNTtrans.
3303 ****************************************************************************/
3304
3305 void reply_nttrans(connection_struct *conn, struct smb_request *req)
3306 {
3307         uint32 pscnt;
3308         uint32 psoff;
3309         uint32 dscnt;
3310         uint32 dsoff;
3311         uint16 function_code;
3312         NTSTATUS result;
3313         struct trans_state *state;
3314         int size;
3315
3316         START_PROFILE(SMBnttrans);
3317
3318         if (req->wct < 19) {
3319                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3320                 END_PROFILE(SMBnttrans);
3321                 return;
3322         }
3323
3324         size = smb_len(req->inbuf) + 4;
3325         pscnt = IVAL(req->inbuf,smb_nt_ParameterCount);
3326         psoff = IVAL(req->inbuf,smb_nt_ParameterOffset);
3327         dscnt = IVAL(req->inbuf,smb_nt_DataCount);
3328         dsoff = IVAL(req->inbuf,smb_nt_DataOffset);
3329         function_code = SVAL(req->inbuf, smb_nt_Function);
3330
3331         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
3332                 reply_doserror(req, ERRSRV, ERRaccess);
3333                 END_PROFILE(SMBnttrans);
3334                 return;
3335         }
3336
3337         result = allow_new_trans(conn->pending_trans, req->mid);
3338         if (!NT_STATUS_IS_OK(result)) {
3339                 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
3340                 reply_nterror(req, result);
3341                 END_PROFILE(SMBnttrans);
3342                 return;
3343         }
3344
3345         if ((state = TALLOC_P(conn->mem_ctx, struct trans_state)) == NULL) {
3346                 reply_doserror(req, ERRSRV, ERRaccess);
3347                 END_PROFILE(SMBnttrans);
3348                 return;
3349         }
3350
3351         state->cmd = SMBnttrans;
3352
3353         state->mid = req->mid;
3354         state->vuid = req->vuid;
3355         state->total_data = IVAL(req->inbuf, smb_nt_TotalDataCount);
3356         state->data = NULL;
3357         state->total_param = IVAL(req->inbuf, smb_nt_TotalParameterCount);
3358         state->param = NULL;
3359         state->max_data_return = IVAL(req->inbuf,smb_nt_MaxDataCount);
3360         state->max_param_return = IVAL(req->inbuf,smb_nt_MaxParameterCount);
3361
3362         /* setup count is in *words* */
3363         state->setup_count = 2*CVAL(req->inbuf,smb_nt_SetupCount);
3364         state->setup = NULL;
3365         state->call = function_code;
3366
3367         /*
3368          * All nttrans messages we handle have smb_wct == 19 +
3369          * state->setup_count.  Ensure this is so as a sanity check.
3370          */
3371
3372         if(req->wct != 19 + (state->setup_count/2)) {
3373                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
3374                          req->wct, 19 + (state->setup_count/2)));
3375                 goto bad_param;
3376         }
3377
3378         /* Don't allow more than 128mb for each value. */
3379         if ((state->total_data > (1024*1024*128)) ||
3380             (state->total_param > (1024*1024*128))) {
3381                 reply_doserror(req, ERRDOS, ERRnomem);
3382                 END_PROFILE(SMBnttrans);
3383                 return;
3384         }
3385
3386         if ((dscnt > state->total_data) || (pscnt > state->total_param))
3387                 goto bad_param;
3388
3389         if (state->total_data)  {
3390                 /* Can't use talloc here, the core routines do realloc on the
3391                  * params and data. */
3392                 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
3393                         DEBUG(0,("reply_nttrans: data malloc fail for %u "
3394                                  "bytes !\n", (unsigned int)state->total_data));
3395                         TALLOC_FREE(state);
3396                         reply_doserror(req, ERRDOS, ERRnomem);
3397                         END_PROFILE(SMBnttrans);
3398                         return;
3399                 }
3400                 if ((dsoff+dscnt < dsoff) || (dsoff+dscnt < dscnt))
3401                         goto bad_param;
3402                 if ((smb_base(req->inbuf)+dsoff+dscnt
3403                      > (char *)req->inbuf + size) ||
3404                     (smb_base(req->inbuf)+dsoff+dscnt < smb_base(req->inbuf)))
3405                         goto bad_param;
3406
3407                 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
3408         }
3409
3410         if (state->total_param) {
3411                 /* Can't use talloc here, the core routines do realloc on the
3412                  * params and data. */
3413                 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
3414                         DEBUG(0,("reply_nttrans: param malloc fail for %u "
3415                                  "bytes !\n", (unsigned int)state->total_param));
3416                         SAFE_FREE(state->data);
3417                         TALLOC_FREE(state);
3418                         reply_doserror(req, ERRDOS, ERRnomem);
3419                         END_PROFILE(SMBnttrans);
3420                         return;
3421                 }
3422                 if ((psoff+pscnt < psoff) || (psoff+pscnt < pscnt))
3423                         goto bad_param;
3424                 if ((smb_base(req->inbuf)+psoff+pscnt
3425                      > (char *)req->inbuf + size) ||
3426                     (smb_base(req->inbuf)+psoff+pscnt < smb_base(req->inbuf)))
3427                         goto bad_param;
3428
3429                 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
3430         }
3431
3432         state->received_data  = dscnt;
3433         state->received_param = pscnt;
3434
3435         if(state->setup_count > 0) {
3436                 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
3437                           state->setup_count));
3438                 state->setup = (uint16 *)TALLOC(state, state->setup_count);
3439                 if (state->setup == NULL) {
3440                         DEBUG(0,("reply_nttrans : Out of memory\n"));
3441                         SAFE_FREE(state->data);
3442                         SAFE_FREE(state->param);
3443                         TALLOC_FREE(state);
3444                         reply_doserror(req, ERRDOS, ERRnomem);
3445                         END_PROFILE(SMBnttrans);
3446                         return;
3447                 }
3448
3449                 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
3450                     (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
3451                         goto bad_param;
3452                 }
3453                 if (smb_nt_SetupStart + state->setup_count > size) {
3454                         goto bad_param;
3455                 }
3456
3457                 memcpy( state->setup, &req->inbuf[smb_nt_SetupStart],
3458                         state->setup_count);
3459                 dump_data(10, (uint8 *)state->setup, state->setup_count);
3460         }
3461
3462         if ((state->received_data == state->total_data) &&
3463             (state->received_param == state->total_param)) {
3464                 handle_nttrans(conn, state, req);
3465                 SAFE_FREE(state->param);
3466                 SAFE_FREE(state->data);
3467                 TALLOC_FREE(state);
3468                 END_PROFILE(SMBnttrans);
3469                 return;
3470         }
3471
3472         DLIST_ADD(conn->pending_trans, state);
3473
3474         /* We need to send an interim response then receive the rest
3475            of the parameter/data bytes */
3476         reply_outbuf(req, 0, 0);
3477         show_msg((char *)req->outbuf);
3478         END_PROFILE(SMBnttrans);
3479         return;
3480
3481   bad_param:
3482
3483         DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3484         SAFE_FREE(state->data);
3485         SAFE_FREE(state->param);
3486         TALLOC_FREE(state);
3487         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3488         END_PROFILE(SMBnttrans);
3489         return;
3490 }
3491
3492 /****************************************************************************
3493  Reply to a SMBnttranss
3494  ****************************************************************************/
3495
3496 void reply_nttranss(connection_struct *conn, struct smb_request *req)
3497 {
3498         unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
3499         struct trans_state *state;
3500
3501         int size;
3502
3503         START_PROFILE(SMBnttranss);
3504
3505         show_msg((char *)req->inbuf);
3506
3507         if (req->wct < 18) {
3508                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3509                 END_PROFILE(SMBnttranss);
3510                 return;
3511         }
3512
3513         for (state = conn->pending_trans; state != NULL;
3514              state = state->next) {
3515                 if (state->mid == req->mid) {
3516                         break;
3517                 }
3518         }
3519
3520         if ((state == NULL) || (state->cmd != SMBnttrans)) {
3521                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3522                 END_PROFILE(SMBnttranss);
3523                 return;
3524         }
3525
3526         /* Revise state->total_param and state->total_data in case they have
3527            changed downwards */
3528         if (IVAL(req->inbuf, smb_nts_TotalParameterCount)
3529             < state->total_param) {
3530                 state->total_param = IVAL(req->inbuf,
3531                                           smb_nts_TotalParameterCount);
3532         }
3533         if (IVAL(req->inbuf, smb_nts_TotalDataCount) < state->total_data) {
3534                 state->total_data = IVAL(req->inbuf, smb_nts_TotalDataCount);
3535         }
3536
3537         size = smb_len(req->inbuf) + 4;
3538
3539         pcnt = IVAL(req->inbuf,smb_nts_ParameterCount);
3540         poff = IVAL(req->inbuf, smb_nts_ParameterOffset);
3541         pdisp = IVAL(req->inbuf, smb_nts_ParameterDisplacement);
3542
3543         dcnt = IVAL(req->inbuf, smb_nts_DataCount);
3544         ddisp = IVAL(req->inbuf, smb_nts_DataDisplacement);
3545         doff = IVAL(req->inbuf, smb_nts_DataOffset);
3546
3547         state->received_param += pcnt;
3548         state->received_data += dcnt;
3549
3550         if ((state->received_data > state->total_data) ||
3551             (state->received_param > state->total_param))
3552                 goto bad_param;
3553
3554         if (pcnt) {
3555                 if (pdisp+pcnt > state->total_param)
3556                         goto bad_param;
3557                 if ((pdisp+pcnt < pdisp) || (pdisp+pcnt < pcnt))
3558                         goto bad_param;
3559                 if (pdisp > state->total_param)
3560                         goto bad_param;
3561                 if ((smb_base(req->inbuf) + poff + pcnt
3562                      > (char *)req->inbuf + size) ||
3563                     (smb_base(req->inbuf) + poff + pcnt
3564                      < smb_base(req->inbuf)))
3565                         goto bad_param;
3566                 if (state->param + pdisp < state->param)
3567                         goto bad_param;
3568
3569                 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,
3570                        pcnt);
3571         }
3572
3573         if (dcnt) {
3574                 if (ddisp+dcnt > state->total_data)
3575                         goto bad_param;
3576                 if ((ddisp+dcnt < ddisp) || (ddisp+dcnt < dcnt))
3577                         goto bad_param;
3578                 if (ddisp > state->total_data)
3579                         goto bad_param;
3580                 if ((smb_base(req->inbuf) + doff + dcnt
3581                      > (char *)req->inbuf + size) ||
3582                     (smb_base(req->inbuf) + doff + dcnt
3583                      < smb_base(req->inbuf)))
3584                         goto bad_param;
3585                 if (state->data + ddisp < state->data)
3586                         goto bad_param;
3587
3588                 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,
3589                        dcnt);
3590         }
3591
3592         if ((state->received_param < state->total_param) ||
3593             (state->received_data < state->total_data)) {
3594                 END_PROFILE(SMBnttranss);
3595                 return;
3596         }
3597
3598         /*
3599          * construct_reply_common will copy smb_com from inbuf to
3600          * outbuf. SMBnttranss is wrong here.
3601          */
3602         SCVAL(req->inbuf,smb_com,SMBnttrans);
3603
3604         handle_nttrans(conn, state, req);
3605
3606         DLIST_REMOVE(conn->pending_trans, state);
3607         SAFE_FREE(state->data);
3608         SAFE_FREE(state->param);
3609         TALLOC_FREE(state);
3610         END_PROFILE(SMBnttranss);
3611         return;
3612
3613   bad_param:
3614
3615         DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3616         DLIST_REMOVE(conn->pending_trans, state);
3617         SAFE_FREE(state->data);
3618         SAFE_FREE(state->param);
3619         TALLOC_FREE(state);
3620         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3621         END_PROFILE(SMBnttranss);
3622         return;
3623 }