source/smbd/nttrans.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    SMB NT transaction handling
   4    Copyright (C) Jeremy Allison                 1994-2007
   5    Copyright (C) Stefan (metze) Metzmacher      2003
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include "includes.h"
  22
  23 extern int max_send;
  24 extern enum protocol_types Protocol;
  25 extern struct current_user current_user;
  26
  27 static const char *known_nt_pipes[] = {
  28         "\\LANMAN",
  29         "\\srvsvc",
  30         "\\samr",
  31         "\\wkssvc",
  32         "\\NETLOGON",
  33         "\\ntlsa",
  34         "\\ntsvcs",
  35         "\\lsass",
  36         "\\lsarpc",
  37         "\\winreg",
  38         "\\initshutdown",
  39         "\\spoolss",
  40         "\\netdfs",
  41         "\\rpcecho",
  42         "\\svcctl",
  43         "\\eventlog",
  44         "\\unixinfo",
  45         NULL
  46 };
  47
  48 static char *nttrans_realloc(char **ptr, size_t size)
  49 {
  50         if (ptr==NULL) {
  51                 smb_panic("nttrans_realloc() called with NULL ptr");
  52         }
  53
  54         *ptr = (char *)SMB_REALLOC(*ptr, size);
  55         if(*ptr == NULL) {
  56                 return NULL;
  57         }
  58         memset(*ptr,'\0',size);
  59         return *ptr;
  60 }
  61
  62 /****************************************************************************
  63  Send the required number of replies back.
  64  We assume all fields other than the data fields are
  65  set correctly for the type of call.
  66  HACK ! Always assumes smb_setup field is zero.
  67 ****************************************************************************/
  68
  69 void send_nt_replies(struct smb_request *req, NTSTATUS nt_error,
  70                      char *params, int paramsize,
  71                      char *pdata, int datasize)
  72 {
  73         int data_to_send = datasize;
  74         int params_to_send = paramsize;
  75         int useable_space;
  76         char *pp = params;
  77         char *pd = pdata;
  78         int params_sent_thistime, data_sent_thistime, total_sent_thistime;
  79         int alignment_offset = 3;
  80         int data_alignment_offset = 0;
  81
  82         /*
  83          * If there genuinely are no parameters or data to send just send
  84          * the empty packet.
  85          */
  86
  87         if(params_to_send == 0 && data_to_send == 0) {
  88                 reply_outbuf(req, 18, 0);
  89                 show_msg((char *)req->outbuf);
  90                 return;
  91         }
  92
  93         /*
  94          * When sending params and data ensure that both are nicely aligned.
  95          * Only do this alignment when there is also data to send - else
  96          * can cause NT redirector problems.
  97          */
  98
  99         if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
 100                 data_alignment_offset = 4 - (params_to_send % 4);
 101         }
 102
 103         /*
 104          * Space is bufsize minus Netbios over TCP header minus SMB header.
 105          * The alignment_offset is to align the param bytes on a four byte
 106          * boundary (2 bytes for data len, one byte pad).
 107          * NT needs this to work correctly.
 108          */
 109
 110         useable_space = max_send - (smb_size
 111                                     + 2 * 18 /* wct */
 112                                     + alignment_offset
 113                                     + data_alignment_offset);
 114
 115         /*
 116          * useable_space can never be more than max_send minus the
 117          * alignment offset.
 118          */
 119
 120         useable_space = MIN(useable_space,
 121                                 max_send - (alignment_offset+data_alignment_offset));
 122
 123
 124         while (params_to_send || data_to_send) {
 125
 126                 /*
 127                  * Calculate whether we will totally or partially fill this packet.
 128                  */
 129
 130                 total_sent_thistime = params_to_send + data_to_send +
 131                                         alignment_offset + data_alignment_offset;
 132
 133                 /*
 134                  * We can never send more than useable_space.
 135                  */
 136
 137                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
 138
 139                 reply_outbuf(req, 18, total_sent_thistime);
 140
 141                 /*
 142                  * Set total params and data to be sent.
 143                  */
 144
 145                 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
 146                 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
 147
 148                 /*
 149                  * Calculate how many parameters and data we can fit into
 150                  * this packet. Parameters get precedence.
 151                  */
 152
 153                 params_sent_thistime = MIN(params_to_send,useable_space);
 154                 data_sent_thistime = useable_space - params_sent_thistime;
 155                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
 156
 157                 SIVAL(req->outbuf, smb_ntr_ParameterCount,
 158                       params_sent_thistime);
 159
 160                 if(params_sent_thistime == 0) {
 161                         SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
 162                         SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
 163                 } else {
 164                         /*
 165                          * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
 166                          * parameter bytes, however the first 4 bytes of outbuf are
 167                          * the Netbios over TCP header. Thus use smb_base() to subtract
 168                          * them from the calculation.
 169                          */
 170
 171                         SIVAL(req->outbuf,smb_ntr_ParameterOffset,
 172                               ((smb_buf(req->outbuf)+alignment_offset)
 173                                - smb_base(req->outbuf)));
 174                         /*
 175                          * Absolute displacement of param bytes sent in this packet.
 176                          */
 177
 178                         SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
 179                               pp - params);
 180                 }
 181
 182                 /*
 183                  * Deal with the data portion.
 184                  */
 185
 186                 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
 187
 188                 if(data_sent_thistime == 0) {
 189                         SIVAL(req->outbuf,smb_ntr_DataOffset,0);
 190                         SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
 191                 } else {
 192                         /*
 193                          * The offset of the data bytes is the offset of the
 194                          * parameter bytes plus the number of parameters being sent this time.
 195                          */
 196
 197                         SIVAL(req->outbuf, smb_ntr_DataOffset,
 198                               ((smb_buf(req->outbuf)+alignment_offset) -
 199                                smb_base(req->outbuf))
 200                               + params_sent_thistime + data_alignment_offset);
 201                         SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
 202                 }
 203
 204                 /*
 205                  * Copy the param bytes into the packet.
 206                  */
 207
 208                 if(params_sent_thistime) {
 209                         if (alignment_offset != 0) {
 210                                 memset(smb_buf(req->outbuf), 0,
 211                                        alignment_offset);
 212                         }
 213                         memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
 214                                params_sent_thistime);
 215                 }
 216
 217                 /*
 218                  * Copy in the data bytes
 219                  */
 220
 221                 if(data_sent_thistime) {
 222                         if (data_alignment_offset != 0) {
 223                                 memset((smb_buf(req->outbuf)+alignment_offset+
 224                                         params_sent_thistime), 0,
 225                                        data_alignment_offset);
 226                         }
 227                         memcpy(smb_buf(req->outbuf)+alignment_offset
 228                                +params_sent_thistime+data_alignment_offset,
 229                                pd,data_sent_thistime);
 230                 }
 231
 232                 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
 233                         params_sent_thistime, data_sent_thistime, useable_space));
 234                 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
 235                         params_to_send, data_to_send, paramsize, datasize));
 236
 237                 if (NT_STATUS_V(nt_error)) {
 238                         error_packet_set((char *)req->outbuf,
 239                                          0, 0, nt_error,
 240                                          __LINE__,__FILE__);
 241                 }
 242
 243                 /* Send the packet */
 244                 show_msg((char *)req->outbuf);
 245                 if (!send_smb(smbd_server_fd(),(char *)req->outbuf)) {
 246                         exit_server_cleanly("send_nt_replies: send_smb failed.");
 247                 }
 248
 249                 TALLOC_FREE(req->outbuf);
 250
 251                 pp += params_sent_thistime;
 252                 pd += data_sent_thistime;
 253
 254                 params_to_send -= params_sent_thistime;
 255                 data_to_send -= data_sent_thistime;
 256
 257                 /*
 258                  * Sanity check
 259                  */
 260
 261                 if(params_to_send < 0 || data_to_send < 0) {
 262                         DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
 263                                 params_to_send, data_to_send));
 264                         return;
 265                 }
 266         }
 267 }
 268
 269 /****************************************************************************
 270  Is it an NTFS stream name ?
 271 ****************************************************************************/
 272
 273 bool is_ntfs_stream_name(const char *fname)
 274 {
 275         if (lp_posix_pathnames()) {
 276                 return False;
 277         }
 278         return (strchr_m(fname, ':') != NULL) ? True : False;
 279 }
 280
 281 struct case_semantics_state {
 282         connection_struct *conn;
 283         bool case_sensitive;
 284         bool case_preserve;
 285         bool short_case_preserve;
 286 };
 287
 288 /****************************************************************************
 289  Restore case semantics.
 290 ****************************************************************************/
 291 static int restore_case_semantics(struct case_semantics_state *state)
 292 {
 293         state->conn->case_sensitive = state->case_sensitive;
 294         state->conn->case_preserve = state->case_preserve;
 295         state->conn->short_case_preserve = state->short_case_preserve;
 296         return 0;
 297 }
 298
 299 /****************************************************************************
 300  Save case semantics.
 301 ****************************************************************************/
 302 static struct case_semantics_state *set_posix_case_semantics(TALLOC_CTX *mem_ctx,
 303                                                              connection_struct *conn)
 304 {
 305         struct case_semantics_state *result;
 306
 307         if (!(result = talloc(mem_ctx, struct case_semantics_state))) {
 308                 DEBUG(0, ("talloc failed\n"));
 309                 return NULL;
 310         }
 311
 312         result->conn = conn;
 313         result->case_sensitive = conn->case_sensitive;
 314         result->case_preserve = conn->case_preserve;
 315         result->short_case_preserve = conn->short_case_preserve;
 316
 317         /* Set to POSIX. */
 318         conn->case_sensitive = True;
 319         conn->case_preserve = True;
 320         conn->short_case_preserve = True;
 321
 322         talloc_set_destructor(result, restore_case_semantics);
 323
 324         return result;
 325 }
 326
 327 /****************************************************************************
 328  Reply to an NT create and X call on a pipe
 329 ****************************************************************************/
 330
 331 static void nt_open_pipe(char *fname, connection_struct *conn,
 332                          struct smb_request *req, int *ppnum)
 333 {
 334         smb_np_struct *p = NULL;
 335         int i;
 336
 337         DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
 338
 339         /* See if it is one we want to handle. */
 340
 341         if (lp_disable_spoolss() && strequal(fname, "\\spoolss")) {
 342                 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
 343                                 ERRDOS, ERRbadpipe);
 344                 return;
 345         }
 346
 347         for( i = 0; known_nt_pipes[i]; i++ ) {
 348                 if( strequal(fname,known_nt_pipes[i])) {
 349                         break;
 350                 }
 351         }
 352
 353         if ( known_nt_pipes[i] == NULL ) {
 354                 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
 355                                 ERRDOS, ERRbadpipe);
 356                 return;
 357         }
 358
 359         /* Strip \\ off the name. */
 360         fname++;
 361
 362         DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
 363
 364         p = open_rpc_pipe_p(fname, conn, req->vuid);
 365         if (!p) {
 366                 reply_doserror(req, ERRSRV, ERRnofids);
 367                 return;
 368         }
 369
 370         /* TODO: Add pipe to db */
 371
 372         if ( !store_pipe_opendb( p ) ) {
 373                 DEBUG(3,("nt_open_pipe: failed to store %s pipe open.\n", fname));
 374         }
 375
 376         *ppnum = p->pnum;
 377         return;
 378 }
 379
 380 /****************************************************************************
 381  Reply to an NT create and X call for pipes.
 382 ****************************************************************************/
 383
 384 static void do_ntcreate_pipe_open(connection_struct *conn,
 385                                   struct smb_request *req)
 386 {
 387         char *fname = NULL;
 388         int pnum = -1;
 389         char *p = NULL;
 390         uint32 flags = IVAL(req->inbuf,smb_ntcreate_Flags);
 391         TALLOC_CTX *ctx = talloc_tos();
 392
 393         srvstr_pull_buf_talloc(ctx, (char *)req->inbuf, req->flags2, &fname,
 394                         smb_buf(req->inbuf), STR_TERMINATE);
 395
 396         if (!fname) {
 397                 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
 398                                 ERRDOS, ERRbadpipe);
 399                 return;
 400         }
 401         nt_open_pipe(fname, conn, req, &pnum);
 402
 403         if (req->outbuf) {
 404                 /* error reply */
 405                 return;
 406         }
 407
 408         /*
 409          * Deal with pipe return.
 410          */
 411
 412         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 413                 /* This is very strange. We
 414                  * return 50 words, but only set
 415                  * the wcnt to 42 ? It's definately
 416                  * what happens on the wire....
 417                  */
 418                 reply_outbuf(req, 50, 0);
 419                 SCVAL(req->outbuf,smb_wct,42);
 420         } else {
 421                 reply_outbuf(req, 34, 0);
 422         }
 423
 424         p = (char *)req->outbuf + smb_vwv2;
 425         p++;
 426         SSVAL(p,0,pnum);
 427         p += 2;
 428         SIVAL(p,0,FILE_WAS_OPENED);
 429         p += 4;
 430         p += 32;
 431         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 432         p += 20;
 433         /* File type. */
 434         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 435         /* Device state. */
 436         SSVAL(p,2, 0x5FF); /* ? */
 437         p += 4;
 438
 439         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 440                 p += 25;
 441                 SIVAL(p,0,FILE_GENERIC_ALL);
 442                 /*
 443                  * For pipes W2K3 seems to return
 444                  * 0x12019B next.
 445                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
 446                  */
 447                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
 448         }
 449
 450         DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
 451
 452         chain_reply(req);
 453 }
 454
 455 /****************************************************************************
 456  Reply to an NT create and X call for a quota file.
 457 ****************************************************************************/
 458
 459 static void reply_ntcreate_and_X_quota(connection_struct *conn,
 460                                        struct smb_request *req,
 461                                        enum FAKE_FILE_TYPE fake_file_type,
 462                                        const char *fname)
 463 {
 464         char *p;
 465         uint32 desired_access = IVAL(req->inbuf,smb_ntcreate_DesiredAccess);
 466         files_struct *fsp;
 467         NTSTATUS status;
 468
 469         status = open_fake_file(conn, fake_file_type, fname, desired_access,
 470                                 &fsp);
 471
 472         if (!NT_STATUS_IS_OK(status)) {
 473                 reply_nterror(req, status);
 474                 return;
 475         }
 476
 477         reply_outbuf(req, 34, 0);
 478
 479         p = (char *)req->outbuf + smb_vwv2;
 480
 481         /* SCVAL(p,0,NO_OPLOCK_RETURN); */
 482         p++;
 483         SSVAL(p,0,fsp->fnum);
 484
 485         DEBUG(5,("reply_ntcreate_and_X_quota: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
 486
 487         chain_reply(req);
 488 }
 489
 490 /****************************************************************************
 491  Reply to an NT create and X call.
 492 ****************************************************************************/
 493
 494 void reply_ntcreate_and_X(connection_struct *conn,
 495                           struct smb_request *req)
 496 {
 497         char *fname = NULL;
 498         uint32 flags;
 499         uint32 access_mask;
 500         uint32 file_attributes;
 501         uint32 share_access;
 502         uint32 create_disposition;
 503         uint32 create_options;
 504         uint16 root_dir_fid;
 505         SMB_BIG_UINT allocation_size;
 506         /* Breakout the oplock request bits so we can set the
 507            reply bits separately. */
 508         int oplock_request = 0;
 509         uint32 fattr=0;
 510         SMB_OFF_T file_len = 0;
 511         SMB_STRUCT_STAT sbuf;
 512         int info = 0;
 513         files_struct *fsp = NULL;
 514         char *p = NULL;
 515         struct timespec c_timespec;
 516         struct timespec a_timespec;
 517         struct timespec m_timespec;
 518         bool extended_oplock_granted = False;
 519         NTSTATUS status;
 520         struct case_semantics_state *case_state = NULL;
 521         TALLOC_CTX *ctx = talloc_tos();
 522
 523         START_PROFILE(SMBntcreateX);
 524
 525         if (req->wct < 24) {
 526                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 527                 return;
 528         }
 529
 530         flags = IVAL(req->inbuf,smb_ntcreate_Flags);
 531         access_mask = IVAL(req->inbuf,smb_ntcreate_DesiredAccess);
 532         file_attributes = IVAL(req->inbuf,smb_ntcreate_FileAttributes);
 533         share_access = IVAL(req->inbuf,smb_ntcreate_ShareAccess);
 534         create_disposition = IVAL(req->inbuf,smb_ntcreate_CreateDisposition);
 535         create_options = IVAL(req->inbuf,smb_ntcreate_CreateOptions);
 536         root_dir_fid = (uint16)IVAL(req->inbuf,smb_ntcreate_RootDirectoryFid);
 537
 538         allocation_size = (SMB_BIG_UINT)IVAL(req->inbuf,smb_ntcreate_AllocationSize);
 539 #ifdef LARGE_SMB_OFF_T
 540         allocation_size |= (((SMB_BIG_UINT)IVAL(req->inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
 541 #endif
 542
 543         DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
 544                   "file_attributes = 0x%x, share_access = 0x%x, "
 545                   "create_disposition = 0x%x create_options = 0x%x "
 546                   "root_dir_fid = 0x%x\n",
 547                         (unsigned int)flags,
 548                         (unsigned int)access_mask,
 549                         (unsigned int)file_attributes,
 550                         (unsigned int)share_access,
 551                         (unsigned int)create_disposition,
 552                         (unsigned int)create_options,
 553                         (unsigned int)root_dir_fid ));
 554
 555         /*
 556          * If it's an IPC, use the pipe handler.
 557          */
 558
 559         if (IS_IPC(conn)) {
 560                 if (lp_nt_pipe_support()) {
 561                         do_ntcreate_pipe_open(conn, req);
 562                         END_PROFILE(SMBntcreateX);
 563                         return;
 564                 } else {
 565                         reply_doserror(req, ERRDOS, ERRnoaccess);
 566                         END_PROFILE(SMBntcreateX);
 567                         return;
 568                 }
 569         }
 570
 571         if (create_options & FILE_OPEN_BY_FILE_ID) {
 572                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
 573                 END_PROFILE(SMBntcreateX);
 574                 return;
 575         }
 576
 577         /*
 578          * Get the file name.
 579          */
 580
 581         if(root_dir_fid != 0) {
 582                 /*
 583                  * This filename is relative to a directory fid.
 584                  */
 585                 char *rel_fname = NULL;
 586                 files_struct *dir_fsp = file_fsp(
 587                         SVAL(req->inbuf, smb_ntcreate_RootDirectoryFid));
 588
 589                 if(!dir_fsp) {
 590                         reply_doserror(req, ERRDOS, ERRbadfid);
 591                         END_PROFILE(SMBntcreateX);
 592                         return;
 593                 }
 594
 595                 if(!dir_fsp->is_directory) {
 596
 597                         srvstr_get_path(ctx, (char *)req->inbuf,
 598                                         req->flags2, &fname,
 599                                         smb_buf(req->inbuf), 0,
 600                                         STR_TERMINATE, &status);
 601                         if (!NT_STATUS_IS_OK(status)) {
 602                                 reply_nterror(req, status);
 603                                 END_PROFILE(SMBntcreateX);
 604                                 return;
 605                         }
 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                         fname = talloc_strdup(ctx,"");
 638                         if (!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                         fname = TALLOC_ARRAY(ctx, char, dir_name_len+2);
 651                         if (!fname) {
 652                                 reply_nterror(
 653                                         req, NT_STATUS_NO_MEMORY);
 654                                 END_PROFILE(SMBntcreateX);
 655                                 return;
 656                         }
 657                         memcpy(fname, dir_fsp->fsp_name, 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                                         (fname[dir_name_len-1] != '\\') &&
 666                                         (fname[dir_name_len-1] != '/')) {
 667                                 fname[dir_name_len] = '/';
 668                                 fname[dir_name_len+1] = '\0';
 669                         }
 670                 }
 671
 672                 srvstr_get_path(ctx, (char *)req->inbuf, req->flags2, &rel_fname,
 673                                 smb_buf(req->inbuf), 0,
 674                                 STR_TERMINATE, &status);
 675                 if (!NT_STATUS_IS_OK(status)) {
 676                         reply_nterror(req, status);
 677                         END_PROFILE(SMBntcreateX);
 678                         return;
 679                 }
 680                 fname = talloc_asprintf(ctx, "%s%s",
 681                                         fname,
 682                                         rel_fname);
 683                 if (!fname) {
 684                         reply_nterror(
 685                                 req, NT_STATUS_NO_MEMORY);
 686                         END_PROFILE(SMBntcreateX);
 687                         return;
 688                 }
 689         } else {
 690                 srvstr_get_path(ctx, (char *)req->inbuf, req->flags2, &fname,
 691                                 smb_buf(req->inbuf), 0,
 692                                 STR_TERMINATE, &status);
 693                 if (!NT_STATUS_IS_OK(status)) {
 694                         reply_nterror(req, status);
 695                         END_PROFILE(SMBntcreateX);
 696                         return;
 697                 }
 698
 699                 /*
 700                  * Check to see if this is a mac fork of some kind.
 701                  */
 702
 703                 if( is_ntfs_stream_name(fname)) {
 704                         enum FAKE_FILE_TYPE fake_file_type = is_fake_file(fname);
 705                         if (fake_file_type!=FAKE_FILE_TYPE_NONE) {
 706                                 /*
 707                                  * Here we go! support for changing the disk quotas --metze
 708                                  *
 709                                  * We need to fake up to open this MAGIC QUOTA file
 710                                  * and return a valid FID.
 711                                  *
 712                                  * w2k close this file directly after openening
 713                                  * xp also tries a QUERY_FILE_INFO on the file and then close it
 714                                  */
 715                                 reply_ntcreate_and_X_quota(conn, req,
 716                                                           fake_file_type, fname);
 717                         } else {
 718                                 reply_nterror(req, NT_STATUS_OBJECT_PATH_NOT_FOUND);
 719                         }
 720                         END_PROFILE(SMBntcreateX);
 721                         return;
 722                 }
 723         }
 724
 725         /*
 726          * Now contruct the smb_open_mode value from the filename,
 727          * desired access and the share access.
 728          */
 729         status = resolve_dfspath(ctx, conn,
 730                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
 731                                 fname,
 732                                 &fname);
 733         if (!NT_STATUS_IS_OK(status)) {
 734                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
 735                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
 736                                         ERRSRV, ERRbadpath);
 737                 }
 738                 else {
 739                         reply_nterror(req, status);
 740                 }
 741                 END_PROFILE(SMBntcreateX);
 742                 return;
 743         }
 744
 745         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 746         if (oplock_request) {
 747                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
 748         }
 749
 750         /*
 751          * Ordinary file or directory.
 752          */
 753
 754         /*
 755          * Check if POSIX semantics are wanted.
 756          */
 757
 758         if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
 759                 case_state = set_posix_case_semantics(NULL, conn);
 760                 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
 761         }
 762
 763         status = unix_convert(ctx, conn, fname, False, &fname, NULL, &sbuf);
 764         if (!NT_STATUS_IS_OK(status)) {
 765                 TALLOC_FREE(case_state);
 766                 reply_nterror(req, status);
 767                 END_PROFILE(SMBntcreateX);
 768                 return;
 769         }
 770         /* All file access must go through check_name() */
 771         status = check_name(conn, fname);
 772         if (!NT_STATUS_IS_OK(status)) {
 773                 TALLOC_FREE(case_state);
 774                 reply_nterror(req, status);
 775                 END_PROFILE(SMBntcreateX);
 776                 return;
 777         }
 778
 779         /* This is the correct thing to do (check every time) but can_delete is
 780            expensive (it may have to read the parent directory permissions). So
 781            for now we're not doing it unless we have a strong hint the client
 782            is really going to delete this file. If the client is forcing FILE_CREATE
 783            let the filesystem take care of the permissions. */
 784
 785         /* Setting FILE_SHARE_DELETE is the hint. */
 786
 787         if (lp_acl_check_permissions(SNUM(conn))
 788             && (create_disposition != FILE_CREATE)
 789             && (share_access & FILE_SHARE_DELETE)
 790             && (access_mask & DELETE_ACCESS)) {
 791                 if (((dos_mode(conn, fname, &sbuf) & FILE_ATTRIBUTE_READONLY)
 792                                 && !lp_delete_readonly(SNUM(conn))) ||
 793                                 !can_delete_file_in_directory(conn, fname)) {
 794                         TALLOC_FREE(case_state);
 795                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
 796                         END_PROFILE(SMBntcreateX);
 797                         return;
 798                 }
 799         }
 800
 801 #if 0
 802         /* We need to support SeSecurityPrivilege for this. */
 803         if ((access_mask & SEC_RIGHT_SYSTEM_SECURITY) &&
 804                         !user_has_privileges(current_user.nt_user_token,
 805                                 &se_security)) {
 806                 TALLOC_FREE(case_state);
 807                 END_PROFILE(SMBntcreateX);
 808                 return ERROR_NT(NT_STATUS_PRIVILEGE_NOT_HELD);
 809         }
 810 #endif
 811
 812         /*
 813          * If it's a request for a directory open, deal with it separately.
 814          */
 815
 816         if(create_options & FILE_DIRECTORY_FILE) {
 817
 818                 /* Can't open a temp directory. IFS kit test. */
 819                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
 820                         TALLOC_FREE(case_state);
 821                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 822                         END_PROFILE(SMBntcreateX);
 823                         return;
 824                 }
 825
 826                 oplock_request = 0;
 827                 status = open_directory(conn, req, fname, &sbuf,
 828                                         access_mask,
 829                                         share_access,
 830                                         create_disposition,
 831                                         create_options,
 832                                         file_attributes,
 833                                         &info, &fsp);
 834
 835         } else {
 836
 837                 /*
 838                  * Ordinary file case.
 839                  */
 840
 841                 /* NB. We have a potential bug here. If we
 842                  * cause an oplock break to ourselves, then we
 843                  * could end up processing filename related
 844                  * SMB requests whilst we await the oplock
 845                  * break response. As we may have changed the
 846                  * filename case semantics to be POSIX-like,
 847                  * this could mean a filename request could
 848                  * fail when it should succeed. This is a rare
 849                  * condition, but eventually we must arrange
 850                  * to restore the correct case semantics
 851                  * before issuing an oplock break request to
 852                  * our client. JRA.  */
 853
 854                 status = open_file_ntcreate(conn, req, fname, &sbuf,
 855                                         access_mask,
 856                                         share_access,
 857                                         create_disposition,
 858                                         create_options,
 859                                         file_attributes,
 860                                         oplock_request,
 861                                         &info, &fsp);
 862
 863                 /* We cheat here. There are two cases we
 864                  * care about. One is a directory rename,
 865                  * where the NT client will attempt to
 866                  * open the source directory for
 867                  * DELETE access. Note that when the
 868                  * NT client does this it does *not*
 869                  * set the directory bit in the
 870                  * request packet. This is translated
 871                  * into a read/write open
 872                  * request. POSIX states that any open
 873                  * for write request on a directory
 874                  * will generate an EISDIR error, so
 875                  * we can catch this here and open a
 876                  * pseudo handle that is flagged as a
 877                  * directory. The second is an open
 878                  * for a permissions read only, which
 879                  * we handle in the open_file_stat case. JRA.
 880                  */
 881
 882                 if (NT_STATUS_EQUAL(status, NT_STATUS_FILE_IS_A_DIRECTORY)) {
 883
 884                         /*
 885                          * Fail the open if it was explicitly a non-directory
 886                          * file.
 887                          */
 888
 889                         if (create_options & FILE_NON_DIRECTORY_FILE) {
 890                                 TALLOC_FREE(case_state);
 891                                 reply_force_nterror(req,
 892                                                 NT_STATUS_FILE_IS_A_DIRECTORY);
 893                                 END_PROFILE(SMBntcreateX);
 894                                 return;
 895                         }
 896
 897                         oplock_request = 0;
 898                         status = open_directory(conn, req, fname,
 899                                                 &sbuf,
 900                                                 access_mask,
 901                                                 share_access,
 902                                                 create_disposition,
 903                                                 create_options,
 904                                                 file_attributes,
 905                                                 &info, &fsp);
 906                 }
 907         }
 908
 909         TALLOC_FREE(case_state);
 910
 911         if (!NT_STATUS_IS_OK(status)) {
 912                 if (open_was_deferred(req->mid)) {
 913                         /* We have re-scheduled this call. */
 914                         END_PROFILE(SMBntcreateX);
 915                         return;
 916                 }
 917                 reply_openerror(req, status);
 918                 END_PROFILE(SMBntcreateX);
 919                 return;
 920         }
 921
 922         file_len = sbuf.st_size;
 923         fattr = dos_mode(conn,fname,&sbuf);
 924         if(fattr == 0) {
 925                 fattr = FILE_ATTRIBUTE_NORMAL;
 926         }
 927         if (!fsp->is_directory && (fattr & aDIR)) {
 928                 close_file(fsp,ERROR_CLOSE);
 929                 reply_doserror(req, ERRDOS, ERRnoaccess);
 930                 END_PROFILE(SMBntcreateX);
 931                 return;
 932         }
 933
 934         /* Save the requested allocation size. */
 935         if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
 936                 if (allocation_size && (allocation_size > (SMB_BIG_UINT)file_len)) {
 937                         fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
 938                         if (fsp->is_directory) {
 939                                 close_file(fsp,ERROR_CLOSE);
 940                                 /* Can't set allocation size on a directory. */
 941                                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
 942                                 END_PROFILE(SMBntcreateX);
 943                                 return;
 944                         }
 945                         if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
 946                                 close_file(fsp,ERROR_CLOSE);
 947                                 reply_nterror(req, NT_STATUS_DISK_FULL);
 948                                 END_PROFILE(SMBntcreateX);
 949                                 return;
 950                         }
 951                 } else {
 952                         fsp->initial_allocation_size = smb_roundup(fsp->conn,(SMB_BIG_UINT)file_len);
 953                 }
 954         }
 955
 956         /*
 957          * If the caller set the extended oplock request bit
 958          * and we granted one (by whatever means) - set the
 959          * correct bit for extended oplock reply.
 960          */
 961
 962         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
 963                 extended_oplock_granted = True;
 964         }
 965
 966         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
 967                 extended_oplock_granted = True;
 968         }
 969
 970         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 971                 /* This is very strange. We
 972                  * return 50 words, but only set
 973                  * the wcnt to 42 ? It's definately
 974                  * what happens on the wire....
 975                  */
 976                 reply_outbuf(req, 50, 0);
 977                 SCVAL(req->outbuf,smb_wct,42);
 978         } else {
 979                 reply_outbuf(req, 34, 0);
 980         }
 981
 982         p = (char *)req->outbuf + smb_vwv2;
 983
 984         /*
 985          * Currently as we don't support level II oplocks we just report
 986          * exclusive & batch here.
 987          */
 988
 989         if (extended_oplock_granted) {
 990                 if (flags & REQUEST_BATCH_OPLOCK) {
 991                         SCVAL(p,0, BATCH_OPLOCK_RETURN);
 992                 } else {
 993                         SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
 994                 }
 995         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
 996                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
 997         } else {
 998                 SCVAL(p,0,NO_OPLOCK_RETURN);
 999         }
1000
1001         p++;
1002         SSVAL(p,0,fsp->fnum);
1003         p += 2;
1004         if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
1005                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1006         } else {
1007                 SIVAL(p,0,info);
1008         }
1009         p += 4;
1010
1011         /* Create time. */
1012         c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1013         a_timespec = get_atimespec(&sbuf);
1014         m_timespec = get_mtimespec(&sbuf);
1015
1016         if (lp_dos_filetime_resolution(SNUM(conn))) {
1017                 dos_filetime_timespec(&c_timespec);
1018                 dos_filetime_timespec(&a_timespec);
1019                 dos_filetime_timespec(&m_timespec);
1020         }
1021
1022         put_long_date_timespec(p, c_timespec); /* create time. */
1023         p += 8;
1024         put_long_date_timespec(p, a_timespec); /* access time */
1025         p += 8;
1026         put_long_date_timespec(p, m_timespec); /* write time */
1027         p += 8;
1028         put_long_date_timespec(p, m_timespec); /* change time */
1029         p += 8;
1030         SIVAL(p,0,fattr); /* File Attributes. */
1031         p += 4;
1032         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1033         p += 8;
1034         SOFF_T(p,0,file_len);
1035         p += 8;
1036         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1037                 SSVAL(p,2,0x7);
1038         }
1039         p += 4;
1040         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1041
1042         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1043                 uint32 perms = 0;
1044                 p += 25;
1045                 if (fsp->is_directory || can_write_to_file(conn, fname, &sbuf)) {
1046                         perms = FILE_GENERIC_ALL;
1047                 } else {
1048                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
1049                 }
1050                 SIVAL(p,0,perms);
1051         }
1052
1053         DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
1054
1055         chain_reply(req);
1056         END_PROFILE(SMBntcreateX);
1057         return;
1058 }
1059
1060 /****************************************************************************
1061  Reply to a NT_TRANSACT_CREATE call to open a pipe.
1062 ****************************************************************************/
1063
1064 static void do_nt_transact_create_pipe(connection_struct *conn,
1065                                        struct smb_request *req,
1066                                        uint16 **ppsetup, uint32 setup_count,
1067                                        char **ppparams, uint32 parameter_count,
1068                                        char **ppdata, uint32 data_count)
1069 {
1070         char *fname = NULL;
1071         char *params = *ppparams;
1072         int pnum = -1;
1073         char *p = NULL;
1074         NTSTATUS status;
1075         size_t param_len;
1076         uint32 flags;
1077         TALLOC_CTX *ctx = talloc_tos();
1078
1079         /*
1080          * Ensure minimum number of parameters sent.
1081          */
1082
1083         if(parameter_count < 54) {
1084                 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1085                 reply_doserror(req, ERRDOS, ERRnoaccess);
1086                 return;
1087         }
1088
1089         flags = IVAL(params,0);
1090
1091         srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
1092                         parameter_count-53, STR_TERMINATE,
1093                         &status);
1094         if (!NT_STATUS_IS_OK(status)) {
1095                 reply_nterror(req, status);
1096                 return;
1097         }
1098
1099         nt_open_pipe(fname, conn, req, &pnum);
1100
1101         if (req->outbuf) {
1102                 /* Error return */
1103                 return;
1104         }
1105
1106         /* Realloc the size of parameters and data we will return */
1107         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1108                 /* Extended response is 32 more byyes. */
1109                 param_len = 101;
1110         } else {
1111                 param_len = 69;
1112         }
1113         params = nttrans_realloc(ppparams, param_len);
1114         if(params == NULL) {
1115                 reply_doserror(req, ERRDOS, ERRnomem);
1116                 return;
1117         }
1118
1119         p = params;
1120         SCVAL(p,0,NO_OPLOCK_RETURN);
1121
1122         p += 2;
1123         SSVAL(p,0,pnum);
1124         p += 2;
1125         SIVAL(p,0,FILE_WAS_OPENED);
1126         p += 8;
1127
1128         p += 32;
1129         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
1130         p += 20;
1131         /* File type. */
1132         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
1133         /* Device state. */
1134         SSVAL(p,2, 0x5FF); /* ? */
1135         p += 4;
1136
1137         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1138                 p += 25;
1139                 SIVAL(p,0,FILE_GENERIC_ALL);
1140                 /*
1141                  * For pipes W2K3 seems to return
1142                  * 0x12019B next.
1143                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
1144                  */
1145                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
1146         }
1147
1148         DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
1149
1150         /* Send the required number of replies */
1151         send_nt_replies(req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1152
1153         return;
1154 }
1155
1156 /****************************************************************************
1157  Internal fn to set security descriptors.
1158 ****************************************************************************/
1159
1160 static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent)
1161 {
1162         prs_struct pd;
1163         SEC_DESC *psd = NULL;
1164         TALLOC_CTX *mem_ctx;
1165         NTSTATUS status;
1166
1167         if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
1168                 return NT_STATUS_OK;
1169         }
1170
1171         /*
1172          * Init the parse struct we will unmarshall from.
1173          */
1174
1175         if ((mem_ctx = talloc_init("set_sd")) == NULL) {
1176                 DEBUG(0,("set_sd: talloc_init failed.\n"));
1177                 return NT_STATUS_NO_MEMORY;
1178         }
1179
1180         prs_init(&pd, 0, mem_ctx, UNMARSHALL);
1181
1182         /*
1183          * Setup the prs_struct to point at the memory we just
1184          * allocated.
1185          */
1186
1187         prs_give_memory( &pd, data, sd_len, False);
1188
1189         /*
1190          * Finally, unmarshall from the data buffer.
1191          */
1192
1193         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1194                 DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
1195                 /*
1196                  * Return access denied for want of a better error message..
1197                  */
1198                 talloc_destroy(mem_ctx);
1199                 return NT_STATUS_NO_MEMORY;
1200         }
1201
1202         if (psd->owner_sid==0) {
1203                 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
1204         }
1205         if (psd->group_sid==0) {
1206                 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
1207         }
1208         if (psd->sacl==0) {
1209                 security_info_sent &= ~SACL_SECURITY_INFORMATION;
1210         }
1211         if (psd->dacl==0) {
1212                 security_info_sent &= ~DACL_SECURITY_INFORMATION;
1213         }
1214
1215         status = SMB_VFS_FSET_NT_ACL( fsp, fsp->fh->fd, security_info_sent, psd);
1216
1217         talloc_destroy(mem_ctx);
1218         return status;
1219 }
1220
1221 /****************************************************************************
1222  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
1223 ****************************************************************************/
1224
1225 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
1226 {
1227         struct ea_list *ea_list_head = NULL;
1228         size_t offset = 0;
1229
1230         if (data_size < 4) {
1231                 return NULL;
1232         }
1233
1234         while (offset + 4 <= data_size) {
1235                 size_t next_offset = IVAL(pdata,offset);
1236                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
1237
1238                 if (!eal) {
1239                         return NULL;
1240                 }
1241
1242                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
1243                 if (next_offset == 0) {
1244                         break;
1245                 }
1246                 offset += next_offset;
1247         }
1248
1249         return ea_list_head;
1250 }
1251
1252 /****************************************************************************
1253  Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1254 ****************************************************************************/
1255
1256 static void call_nt_transact_create(connection_struct *conn,
1257                                     struct smb_request *req,
1258                                     uint16 **ppsetup, uint32 setup_count,
1259                                     char **ppparams, uint32 parameter_count,
1260                                     char **ppdata, uint32 data_count,
1261                                     uint32 max_data_count)
1262 {
1263         char *fname = NULL;
1264         char *params = *ppparams;
1265         char *data = *ppdata;
1266         /* Breakout the oplock request bits so we can set the reply bits separately. */
1267         int oplock_request = 0;
1268         uint32 fattr=0;
1269         SMB_OFF_T file_len = 0;
1270         SMB_STRUCT_STAT sbuf;
1271         int info = 0;
1272         files_struct *fsp = NULL;
1273         char *p = NULL;
1274         bool extended_oplock_granted = False;
1275         uint32 flags;
1276         uint32 access_mask;
1277         uint32 file_attributes;
1278         uint32 share_access;
1279         uint32 create_disposition;
1280         uint32 create_options;
1281         uint32 sd_len;
1282         uint32 ea_len;
1283         uint16 root_dir_fid;
1284         struct timespec c_timespec;
1285         struct timespec a_timespec;
1286         struct timespec m_timespec;
1287         struct ea_list *ea_list = NULL;
1288         char *pdata = NULL;
1289         NTSTATUS status;
1290         size_t param_len;
1291         struct case_semantics_state *case_state = NULL;
1292         SMB_BIG_UINT allocation_size;
1293         TALLOC_CTX *ctx = talloc_tos();
1294
1295         DEBUG(5,("call_nt_transact_create\n"));
1296
1297         /*
1298          * If it's an IPC, use the pipe handler.
1299          */
1300
1301         if (IS_IPC(conn)) {
1302                 if (lp_nt_pipe_support()) {
1303                         do_nt_transact_create_pipe(
1304                                 conn, req,
1305                                 ppsetup, setup_count,
1306                                 ppparams, parameter_count,
1307                                 ppdata, data_count);
1308                         return;
1309                 } else {
1310                         reply_doserror(req, ERRDOS, ERRnoaccess);
1311                         return;
1312                 }
1313         }
1314
1315         /*
1316          * Ensure minimum number of parameters sent.
1317          */
1318
1319         if(parameter_count < 54) {
1320                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1321                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1322                 return;
1323         }
1324
1325         flags = IVAL(params,0);
1326         access_mask = IVAL(params,8);
1327         file_attributes = IVAL(params,20);
1328         share_access = IVAL(params,24);
1329         create_disposition = IVAL(params,28);
1330         create_options = IVAL(params,32);
1331         sd_len = IVAL(params,36);
1332         ea_len = IVAL(params,40);
1333         root_dir_fid = (uint16)IVAL(params,4);
1334         allocation_size = (SMB_BIG_UINT)IVAL(params,12);
1335 #ifdef LARGE_SMB_OFF_T
1336         allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
1337 #endif
1338
1339         /* Ensure the data_len is correct for the sd and ea values given. */
1340         if ((ea_len + sd_len > data_count) ||
1341                         (ea_len > data_count) || (sd_len > data_count) ||
1342                         (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1343                 DEBUG(10,("call_nt_transact_create - ea_len = %u, sd_len = %u, data_count = %u\n",
1344                         (unsigned int)ea_len, (unsigned int)sd_len, (unsigned int)data_count ));
1345                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1346                 return;
1347         }
1348
1349         if (ea_len) {
1350                 if (!lp_ea_support(SNUM(conn))) {
1351                         DEBUG(10,("call_nt_transact_create - ea_len = %u but EA's not supported.\n",
1352                                 (unsigned int)ea_len ));
1353                         reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1354                         return;
1355                 }
1356
1357                 if (ea_len < 10) {
1358                         DEBUG(10,("call_nt_transact_create - ea_len = %u - too small (should be more than 10)\n",
1359                                 (unsigned int)ea_len ));
1360                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1361                         return;
1362                 }
1363         }
1364
1365         if (create_options & FILE_OPEN_BY_FILE_ID) {
1366                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1367                 return;
1368         }
1369
1370         /*
1371          * Get the file name.
1372          */
1373
1374         if(root_dir_fid != 0) {
1375                 /*
1376                  * This filename is relative to a directory fid.
1377                  */
1378                 char *tmpname = NULL;
1379                 files_struct *dir_fsp = file_fsp(SVAL(params,4));
1380
1381                 if(!dir_fsp) {
1382                         reply_doserror(req, ERRDOS, ERRbadfid);
1383                         return;
1384                 }
1385
1386                 if(!dir_fsp->is_directory) {
1387                         srvstr_get_path(ctx, params, req->flags2, &fname,
1388                                         params+53,
1389                                         parameter_count-53, STR_TERMINATE,
1390                                         &status);
1391                         if (!NT_STATUS_IS_OK(status)) {
1392                                 reply_nterror(req, status);
1393                                 return;
1394                         }
1395
1396                         /*
1397                          * Check to see if this is a mac fork of some kind.
1398                          */
1399
1400                         if( is_ntfs_stream_name(fname)) {
1401                                 reply_nterror(req,
1402                                               NT_STATUS_OBJECT_PATH_NOT_FOUND);
1403                                 return;
1404                         }
1405
1406                         reply_doserror(req, ERRDOS, ERRbadfid);
1407                         return;
1408                 }
1409
1410                 if (ISDOT(dir_fsp->fsp_name)) {
1411                         /*
1412                          * We're at the toplevel dir, the final file name
1413                          * must not contain ./, as this is filtered out
1414                          * normally by srvstr_get_path and unix_convert
1415                          * explicitly rejects paths containing ./.
1416                          */
1417                         fname = talloc_strdup(ctx,"");
1418                         if (!fname) {
1419                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1420                                 return;
1421                         }
1422                 } else {
1423                         size_t dir_name_len = strlen(dir_fsp->fsp_name);
1424
1425                         /*
1426                          * Copy in the base directory name.
1427                          */
1428
1429                         fname = TALLOC_ARRAY(ctx, char, dir_name_len+2);
1430                         if (!fname) {
1431                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1432                                 return;
1433                         }
1434                         memcpy(fname, dir_fsp->fsp_name, dir_name_len+1);
1435
1436                         /*
1437                          * Ensure it ends in a '/'.
1438                          * We used TALLOC_SIZE +2 to add space for the '/'.
1439                          */
1440
1441                         if(dir_name_len &&
1442                                         (fname[dir_name_len-1] != '\\') &&
1443                                         (fname[dir_name_len-1] != '/')) {
1444                                 fname[dir_name_len] = '/';
1445                                 fname[dir_name_len+1] = '\0';
1446                         }
1447                 }
1448
1449                 srvstr_get_path(ctx, params, req->flags2, &tmpname,
1450                                 params+53,
1451                                 parameter_count-53, STR_TERMINATE,
1452                                 &status);
1453                 if (!NT_STATUS_IS_OK(status)) {
1454                         reply_nterror(req, status);
1455                         return;
1456                 }
1457                 fname = talloc_asprintf(ctx, "%s%s",
1458                                         fname,
1459                                         tmpname);
1460                 if (!fname) {
1461                         reply_nterror(
1462                                 req, NT_STATUS_NO_MEMORY);
1463                         return;
1464                 }
1465         } else {
1466                 srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
1467                                 parameter_count-53,
1468                                 STR_TERMINATE, &status);
1469                 if (!NT_STATUS_IS_OK(status)) {
1470                         reply_nterror(req, status);
1471                         return;
1472                 }
1473
1474                 /*
1475                  * Check to see if this is a mac fork of some kind.
1476                  */
1477
1478                 if( is_ntfs_stream_name(fname)) {
1479                         reply_nterror(req, NT_STATUS_OBJECT_PATH_NOT_FOUND);
1480                         return;
1481                 }
1482         }
1483
1484         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1485         if (oplock_request) {
1486                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1487         }
1488
1489         /*
1490          * Ordinary file or directory.
1491          */
1492
1493         /*
1494          * Check if POSIX semantics are wanted.
1495          */
1496
1497         if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
1498                 case_state = set_posix_case_semantics(NULL, conn);
1499                 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
1500         }
1501
1502         status = resolve_dfspath(ctx, conn,
1503                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
1504                                 fname,
1505                                 &fname);
1506         if (!NT_STATUS_IS_OK(status)) {
1507                 TALLOC_FREE(case_state);
1508                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1509                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1510                                         ERRSRV, ERRbadpath);
1511                         return;
1512                 }
1513                 reply_nterror(req, status);
1514                 return;
1515         }
1516
1517         status = unix_convert(ctx, conn, fname, False, &fname, NULL, &sbuf);
1518         if (!NT_STATUS_IS_OK(status)) {
1519                 TALLOC_FREE(case_state);
1520                 reply_nterror(req, status);
1521                 return;
1522         }
1523         /* All file access must go through check_name() */
1524         status = check_name(conn, fname);
1525         if (!NT_STATUS_IS_OK(status)) {
1526                 TALLOC_FREE(case_state);
1527                 reply_nterror(req, status);
1528                 return;
1529         }
1530
1531         /* This is the correct thing to do (check every time) but can_delete is
1532            expensive (it may have to read the parent directory permissions). So
1533            for now we're not doing it unless we have a strong hint the client
1534            is really going to delete this file. If the client is forcing FILE_CREATE
1535            let the filesystem take care of the permissions. */
1536
1537         /* Setting FILE_SHARE_DELETE is the hint. */
1538
1539         if (lp_acl_check_permissions(SNUM(conn))
1540             && (create_disposition != FILE_CREATE)
1541             && (share_access & FILE_SHARE_DELETE)
1542             && (access_mask & DELETE_ACCESS)) {
1543                 if (((dos_mode(conn, fname, &sbuf) & FILE_ATTRIBUTE_READONLY)
1544                                 && !lp_delete_readonly(SNUM(conn))) ||
1545                                 !can_delete_file_in_directory(conn, fname)) {
1546                         TALLOC_FREE(case_state);
1547                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1548                         return;
1549                 }
1550         }
1551
1552 #if 0
1553         /* We need to support SeSecurityPrivilege for this. */
1554         if ((access_mask & SEC_RIGHT_SYSTEM_SECURITY) &&
1555                         !user_has_privileges(current_user.nt_user_token,
1556                                 &se_security)) {
1557                 TALLOC_FREE(case_state);
1558                 reply_nterror(req, NT_STATUS_PRIVILEGE_NOT_HELD);
1559                 return;
1560         }
1561 #endif
1562
1563         if (ea_len) {
1564                 pdata = data + sd_len;
1565
1566                 /* We have already checked that ea_len <= data_count here. */
1567                 ea_list = read_nttrans_ea_list(talloc_tos(), pdata,
1568                                                ea_len);
1569                 if (!ea_list ) {
1570                         TALLOC_FREE(case_state);
1571                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1572                         return;
1573                 }
1574         }
1575
1576         /*
1577          * If it's a request for a directory open, deal with it separately.
1578          */
1579
1580         if(create_options & FILE_DIRECTORY_FILE) {
1581
1582                 /* Can't open a temp directory. IFS kit test. */
1583                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
1584                         TALLOC_FREE(case_state);
1585                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1586                         return;
1587                 }
1588
1589                 /*
1590                  * We will get a create directory here if the Win32
1591                  * app specified a security descriptor in the
1592                  * CreateDirectory() call.
1593                  */
1594
1595                 oplock_request = 0;
1596                 status = open_directory(conn, req, fname, &sbuf,
1597                                         access_mask,
1598                                         share_access,
1599                                         create_disposition,
1600                                         create_options,
1601                                         file_attributes,
1602                                         &info, &fsp);
1603         } else {
1604
1605                 /*
1606                  * Ordinary file case.
1607                  */
1608
1609                 status = open_file_ntcreate(conn,req,fname,&sbuf,
1610                                         access_mask,
1611                                         share_access,
1612                                         create_disposition,
1613                                         create_options,
1614                                         file_attributes,
1615                                         oplock_request,
1616                                         &info, &fsp);
1617
1618                 if (NT_STATUS_EQUAL(status, NT_STATUS_FILE_IS_A_DIRECTORY)) {
1619
1620                         /*
1621                          * Fail the open if it was explicitly a non-directory file.
1622                          */
1623
1624                         if (create_options & FILE_NON_DIRECTORY_FILE) {
1625                                 TALLOC_FREE(case_state);
1626                                 reply_force_nterror(
1627                                         req,
1628                                         NT_STATUS_FILE_IS_A_DIRECTORY);
1629                                 return;
1630                         }
1631
1632                         oplock_request = 0;
1633                         status = open_directory(conn, req, fname,
1634                                                 &sbuf,
1635                                                 access_mask,
1636                                                 share_access,
1637                                                 create_disposition,
1638                                                 create_options,
1639                                                 file_attributes,
1640                                                 &info, &fsp);
1641                 }
1642         }
1643
1644         TALLOC_FREE(case_state);
1645
1646         if(!NT_STATUS_IS_OK(status)) {
1647                 if (open_was_deferred(req->mid)) {
1648                         /* We have re-scheduled this call. */
1649                         return;
1650                 }
1651                 reply_openerror(req, status);
1652                 return;
1653         }
1654
1655         /*
1656          * According to the MS documentation, the only time the security
1657          * descriptor is applied to the opened file is iff we *created* the
1658          * file; an existing file stays the same.
1659          *
1660          * Also, it seems (from observation) that you can open the file with
1661          * any access mask but you can still write the sd. We need to override
1662          * the granted access before we call set_sd
1663          * Patch for bug #2242 from Tom Lackemann <cessnatomny@yahoo.com>.
1664          */
1665
1666         if (lp_nt_acl_support(SNUM(conn)) && sd_len && info == FILE_WAS_CREATED) {
1667                 uint32 saved_access_mask = fsp->access_mask;
1668
1669                 /* We have already checked that sd_len <= data_count here. */
1670
1671                 fsp->access_mask = FILE_GENERIC_ALL;
1672
1673                 status = set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION);
1674                 if (!NT_STATUS_IS_OK(status)) {
1675                         close_file(fsp,ERROR_CLOSE);
1676                         TALLOC_FREE(case_state);
1677                         reply_nterror(req, status);
1678                         return;
1679                 }
1680                 fsp->access_mask = saved_access_mask;
1681         }
1682
1683         if (ea_len && (info == FILE_WAS_CREATED)) {
1684                 status = set_ea(conn, fsp, fname, ea_list);
1685                 if (!NT_STATUS_IS_OK(status)) {
1686                         close_file(fsp,ERROR_CLOSE);
1687                         TALLOC_FREE(case_state);
1688                         reply_nterror(req, status);
1689                         return;
1690                 }
1691         }
1692
1693         TALLOC_FREE(case_state);
1694
1695         file_len = sbuf.st_size;
1696         fattr = dos_mode(conn,fname,&sbuf);
1697         if(fattr == 0) {
1698                 fattr = FILE_ATTRIBUTE_NORMAL;
1699         }
1700         if (!fsp->is_directory && (fattr & aDIR)) {
1701                 close_file(fsp,ERROR_CLOSE);
1702                 reply_doserror(req, ERRDOS, ERRnoaccess);
1703                 return;
1704         }
1705
1706         /* Save the requested allocation size. */
1707         if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
1708                 if (allocation_size && (allocation_size > file_len)) {
1709                         fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
1710                         if (fsp->is_directory) {
1711                                 close_file(fsp,ERROR_CLOSE);
1712                                 /* Can't set allocation size on a directory. */
1713                                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1714                                 return;
1715                         }
1716                         if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1717                                 close_file(fsp,ERROR_CLOSE);
1718                                 reply_nterror(req, NT_STATUS_DISK_FULL);
1719                                 return;
1720                         }
1721                 } else {
1722                         fsp->initial_allocation_size = smb_roundup(fsp->conn, (SMB_BIG_UINT)file_len);
1723                 }
1724         }
1725
1726         /*
1727          * If the caller set the extended oplock request bit
1728          * and we granted one (by whatever means) - set the
1729          * correct bit for extended oplock reply.
1730          */
1731
1732         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1733                 extended_oplock_granted = True;
1734         }
1735
1736         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1737                 extended_oplock_granted = True;
1738         }
1739
1740         /* Realloc the size of parameters and data we will return */
1741         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1742                 /* Extended response is 32 more byyes. */
1743                 param_len = 101;
1744         } else {
1745                 param_len = 69;
1746         }
1747         params = nttrans_realloc(ppparams, param_len);
1748         if(params == NULL) {
1749                 reply_doserror(req, ERRDOS, ERRnomem);
1750                 return;
1751         }
1752
1753         p = params;
1754         if (extended_oplock_granted) {
1755                 if (flags & REQUEST_BATCH_OPLOCK) {
1756                         SCVAL(p,0, BATCH_OPLOCK_RETURN);
1757                 } else {
1758                         SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
1759                 }
1760         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1761                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
1762         } else {
1763                 SCVAL(p,0,NO_OPLOCK_RETURN);
1764         }
1765
1766         p += 2;
1767         SSVAL(p,0,fsp->fnum);
1768         p += 2;
1769         if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
1770                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1771         } else {
1772                 SIVAL(p,0,info);
1773         }
1774         p += 8;
1775
1776         /* Create time. */
1777         c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1778         a_timespec = get_atimespec(&sbuf);
1779         m_timespec = get_mtimespec(&sbuf);
1780
1781         if (lp_dos_filetime_resolution(SNUM(conn))) {
1782                 dos_filetime_timespec(&c_timespec);
1783                 dos_filetime_timespec(&a_timespec);
1784                 dos_filetime_timespec(&m_timespec);
1785         }
1786
1787         put_long_date_timespec(p, c_timespec); /* create time. */
1788         p += 8;
1789         put_long_date_timespec(p, a_timespec); /* access time */
1790         p += 8;
1791         put_long_date_timespec(p, m_timespec); /* write time */
1792         p += 8;
1793         put_long_date_timespec(p, m_timespec); /* change time */
1794         p += 8;
1795         SIVAL(p,0,fattr); /* File Attributes. */
1796         p += 4;
1797         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1798         p += 8;
1799         SOFF_T(p,0,file_len);
1800         p += 8;
1801         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1802                 SSVAL(p,2,0x7);
1803         }
1804         p += 4;
1805         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1806
1807         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1808                 uint32 perms = 0;
1809                 p += 25;
1810                 if (fsp->is_directory || can_write_to_file(conn, fname, &sbuf)) {
1811                         perms = FILE_GENERIC_ALL;
1812                 } else {
1813                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
1814                 }
1815                 SIVAL(p,0,perms);
1816         }
1817
1818         DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
1819
1820         /* Send the required number of replies */
1821         send_nt_replies(req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1822
1823         return;
1824 }
1825
1826 /****************************************************************************
1827  Reply to a NT CANCEL request.
1828  conn POINTER CAN BE NULL HERE !
1829 ****************************************************************************/
1830
1831 void reply_ntcancel(connection_struct *conn, struct smb_request *req)
1832 {
1833         /*
1834          * Go through and cancel any pending change notifies.
1835          */
1836
1837         START_PROFILE(SMBntcancel);
1838         remove_pending_change_notify_requests_by_mid(req->mid);
1839         remove_pending_lock_requests_by_mid(req->mid);
1840         srv_cancel_sign_response(req->mid);
1841
1842         DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1843
1844         END_PROFILE(SMBntcancel);
1845         return;
1846 }
1847
1848 /****************************************************************************
1849  Copy a file.
1850 ****************************************************************************/
1851
1852 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1853                                 connection_struct *conn,
1854                                 struct smb_request *req,
1855                                 const char *oldname_in,
1856                                 const char *newname_in,
1857                                 uint32 attrs)
1858 {
1859         SMB_STRUCT_STAT sbuf1, sbuf2;
1860         char *oldname = NULL;
1861         char *newname = NULL;
1862         char *last_component_oldname = NULL;
1863         char *last_component_newname = NULL;
1864         files_struct *fsp1,*fsp2;
1865         uint32 fattr;
1866         int info;
1867         SMB_OFF_T ret=-1;
1868         NTSTATUS status = NT_STATUS_OK;
1869
1870         ZERO_STRUCT(sbuf1);
1871         ZERO_STRUCT(sbuf2);
1872
1873         if (!CAN_WRITE(conn)) {
1874                 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1875         }
1876
1877         status = unix_convert(ctx, conn, oldname_in, False, &oldname,
1878                         &last_component_oldname, &sbuf1);
1879         if (!NT_STATUS_IS_OK(status)) {
1880                 return status;
1881         }
1882
1883         status = check_name(conn, oldname);
1884         if (!NT_STATUS_IS_OK(status)) {
1885                 return status;
1886         }
1887
1888         /* Source must already exist. */
1889         if (!VALID_STAT(sbuf1)) {
1890                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1891         }
1892         /* Ensure attributes match. */
1893         fattr = dos_mode(conn,oldname,&sbuf1);
1894         if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1895                 return NT_STATUS_NO_SUCH_FILE;
1896         }
1897
1898         status = unix_convert(ctx, conn, newname_in, False, &newname,
1899                         &last_component_newname, &sbuf2);
1900         if (!NT_STATUS_IS_OK(status)) {
1901                 return status;
1902         }
1903
1904         status = check_name(conn, newname);
1905         if (!NT_STATUS_IS_OK(status)) {
1906                 return status;
1907         }
1908
1909         /* Disallow if newname already exists. */
1910         if (VALID_STAT(sbuf2)) {
1911                 return NT_STATUS_OBJECT_NAME_COLLISION;
1912         }
1913
1914         /* No links from a directory. */
1915         if (S_ISDIR(sbuf1.st_mode)) {
1916                 return NT_STATUS_FILE_IS_A_DIRECTORY;
1917         }
1918
1919         /* Ensure this is within the share. */
1920         status = check_reduced_name(conn, oldname);
1921         if (!NT_STATUS_IS_OK(status)) {
1922                 return status;
1923         }
1924
1925         DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1926                                 oldname, newname));
1927
1928         status = open_file_ntcreate(conn, req, oldname, &sbuf1,
1929                         FILE_READ_DATA, /* Read-only. */
1930                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1931                         FILE_OPEN,
1932                         0, /* No create options. */
1933                         FILE_ATTRIBUTE_NORMAL,
1934                         NO_OPLOCK,
1935                         &info, &fsp1);
1936
1937         if (!NT_STATUS_IS_OK(status)) {
1938                 return status;
1939         }
1940
1941         status = open_file_ntcreate(conn, req, newname, &sbuf2,
1942                         FILE_WRITE_DATA, /* Read-only. */
1943                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1944                         FILE_CREATE,
1945                         0, /* No create options. */
1946                         fattr,
1947                         NO_OPLOCK,
1948                         &info, &fsp2);
1949
1950         if (!NT_STATUS_IS_OK(status)) {
1951                 close_file(fsp1,ERROR_CLOSE);
1952                 return status;
1953         }
1954
1955         if (sbuf1.st_size) {
1956                 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1957         }
1958
1959         /*
1960          * As we are opening fsp1 read-only we only expect
1961          * an error on close on fsp2 if we are out of space.
1962          * Thus we don't look at the error return from the
1963          * close of fsp1.
1964          */
1965         close_file(fsp1,NORMAL_CLOSE);
1966
1967         /* Ensure the modtime is set correctly on the destination file. */
1968         fsp_set_pending_modtime(fsp2, get_mtimespec(&sbuf1));
1969
1970         status = close_file(fsp2,NORMAL_CLOSE);
1971
1972         /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1973            creates the file. This isn't the correct thing to do in the copy
1974            case. JRA */
1975         file_set_dosmode(conn, newname, fattr, &sbuf2,
1976                          parent_dirname(newname),false);
1977
1978         if (ret < (SMB_OFF_T)sbuf1.st_size) {
1979                 return NT_STATUS_DISK_FULL;
1980         }
1981
1982         if (!NT_STATUS_IS_OK(status)) {
1983                 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1984                         nt_errstr(status), oldname, newname));
1985         }
1986         return status;
1987 }
1988
1989 /****************************************************************************
1990  Reply to a NT rename request.
1991 ****************************************************************************/
1992
1993 void reply_ntrename(connection_struct *conn, struct smb_request *req)
1994 {
1995         char *oldname = NULL;
1996         char *newname = NULL;
1997         char *p;
1998         NTSTATUS status;
1999         bool src_has_wcard = False;
2000         bool dest_has_wcard = False;
2001         uint32 attrs;
2002         uint16 rename_type;
2003         TALLOC_CTX *ctx = talloc_tos();
2004
2005         START_PROFILE(SMBntrename);
2006
2007         if (req->wct < 4) {
2008                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2009                 END_PROFILE(SMBntrename);
2010                 return;
2011         }
2012
2013         attrs = SVAL(req->inbuf,smb_vwv0);
2014         rename_type = SVAL(req->inbuf,smb_vwv1);
2015
2016         p = smb_buf(req->inbuf) + 1;
2017         p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &oldname, p,
2018                                    0, STR_TERMINATE, &status,
2019                                    &src_has_wcard);
2020         if (!NT_STATUS_IS_OK(status)) {
2021                 reply_nterror(req, status);
2022                 END_PROFILE(SMBntrename);
2023                 return;
2024         }
2025
2026         if( is_ntfs_stream_name(oldname)) {
2027                 /* Can't rename a stream. */
2028                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2029                 END_PROFILE(SMBntrename);
2030                 return;
2031         }
2032
2033         if (ms_has_wild(oldname)) {
2034                 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
2035                 END_PROFILE(SMBntrename);
2036                 return;
2037         }
2038
2039         p++;
2040         p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &newname, p,
2041                                    0, STR_TERMINATE, &status,
2042                                    &dest_has_wcard);
2043         if (!NT_STATUS_IS_OK(status)) {
2044                 reply_nterror(req, status);
2045                 END_PROFILE(SMBntrename);
2046                 return;
2047         }
2048
2049         status = resolve_dfspath(ctx, conn,
2050                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
2051                                 oldname,
2052                                 &oldname);
2053         if (!NT_STATUS_IS_OK(status)) {
2054                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
2055                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
2056                                         ERRSRV, ERRbadpath);
2057                         END_PROFILE(SMBntrename);
2058                         return;
2059                 }
2060                 reply_nterror(req, status);
2061                 END_PROFILE(SMBntrename);
2062                 return;
2063         }
2064
2065         status = resolve_dfspath(ctx, conn,
2066                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
2067                                 newname,
2068                                 &newname);
2069         if (!NT_STATUS_IS_OK(status)) {
2070                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
2071                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
2072                                         ERRSRV, ERRbadpath);
2073                         END_PROFILE(SMBntrename);
2074                         return;
2075                 }
2076                 reply_nterror(req, status);
2077                 END_PROFILE(SMBntrename);
2078                 return;
2079         }
2080
2081         DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
2082
2083         switch(rename_type) {
2084                 case RENAME_FLAG_RENAME:
2085                         status = rename_internals(ctx, conn, req, oldname,
2086                                         newname, attrs, False, src_has_wcard,
2087                                         dest_has_wcard);
2088                         break;
2089                 case RENAME_FLAG_HARD_LINK:
2090                         if (src_has_wcard || dest_has_wcard) {
2091                                 /* No wildcards. */
2092                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
2093                         } else {
2094                                 status = hardlink_internals(ctx,
2095                                                 conn,
2096                                                 oldname,
2097                                                 newname);
2098                         }
2099                         break;
2100                 case RENAME_FLAG_COPY:
2101                         if (src_has_wcard || dest_has_wcard) {
2102                                 /* No wildcards. */
2103                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
2104                         } else {
2105                                 status = copy_internals(ctx, conn, req, oldname,
2106                                                         newname, attrs);
2107                         }
2108                         break;
2109                 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
2110                         status = NT_STATUS_INVALID_PARAMETER;
2111                         break;
2112                 default:
2113                         status = NT_STATUS_ACCESS_DENIED; /* Default error. */
2114                         break;
2115         }
2116
2117         if (!NT_STATUS_IS_OK(status)) {
2118                 if (open_was_deferred(req->mid)) {
2119                         /* We have re-scheduled this call. */
2120                         END_PROFILE(SMBntrename);
2121                         return;
2122                 }
2123
2124                 reply_nterror(req, status);
2125                 END_PROFILE(SMBntrename);
2126                 return;
2127         }
2128
2129         reply_outbuf(req, 0, 0);
2130
2131         END_PROFILE(SMBntrename);
2132         return;
2133 }
2134
2135 /****************************************************************************
2136  Reply to a notify change - queue the request and
2137  don't allow a directory to be opened.
2138 ****************************************************************************/
2139
2140 static void call_nt_transact_notify_change(connection_struct *conn,
2141                                            struct smb_request *req,
2142                                            uint16 **ppsetup,
2143                                            uint32 setup_count,
2144                                            char **ppparams,
2145                                            uint32 parameter_count,
2146                                            char **ppdata, uint32 data_count,
2147                                            uint32 max_data_count,
2148                                            uint32 max_param_count)
2149 {
2150         uint16 *setup = *ppsetup;
2151         files_struct *fsp;
2152         uint32 filter;
2153         NTSTATUS status;
2154         bool recursive;
2155
2156         if(setup_count < 6) {
2157                 reply_doserror(req, ERRDOS, ERRbadfunc);
2158                 return;
2159         }
2160
2161         fsp = file_fsp(SVAL(setup,4));
2162         filter = IVAL(setup, 0);
2163         recursive = (SVAL(setup, 6) != 0) ? True : False;
2164
2165         DEBUG(3,("call_nt_transact_notify_change\n"));
2166
2167         if(!fsp) {
2168                 reply_doserror(req, ERRDOS, ERRbadfid);
2169                 return;
2170         }
2171
2172         {
2173                 char *filter_string;
2174
2175                 if (!(filter_string = notify_filter_string(NULL, filter))) {
2176                         reply_nterror(req,NT_STATUS_NO_MEMORY);
2177                         return;
2178                 }
2179
2180                 DEBUG(3,("call_nt_transact_notify_change: notify change "
2181                          "called on %s, filter = %s, recursive = %d\n",
2182                          fsp->fsp_name, filter_string, recursive));
2183
2184                 TALLOC_FREE(filter_string);
2185         }
2186
2187         if((!fsp->is_directory) || (conn != fsp->conn)) {
2188                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2189                 return;
2190         }
2191
2192         if (fsp->notify == NULL) {
2193
2194                 status = change_notify_create(fsp, filter, recursive);
2195
2196                 if (!NT_STATUS_IS_OK(status)) {
2197                         DEBUG(10, ("change_notify_create returned %s\n",
2198                                    nt_errstr(status)));
2199                         reply_nterror(req, status);
2200                         return;
2201                 }
2202         }
2203
2204         if (fsp->notify->num_changes != 0) {
2205
2206                 /*
2207                  * We've got changes pending, respond immediately
2208                  */
2209
2210                 /*
2211                  * TODO: write a torture test to check the filtering behaviour
2212                  * here.
2213                  */
2214
2215                 change_notify_reply(req->inbuf, max_param_count, fsp->notify);
2216
2217                 /*
2218                  * change_notify_reply() above has independently sent its
2219                  * results
2220                  */
2221                 return;
2222         }
2223
2224         /*
2225          * No changes pending, queue the request
2226          */
2227
2228         status = change_notify_add_request(req->inbuf, max_param_count, filter,
2229                         recursive, fsp);
2230         if (!NT_STATUS_IS_OK(status)) {
2231                 reply_nterror(req, status);
2232         }
2233         return;
2234 }
2235
2236 /****************************************************************************
2237  Reply to an NT transact rename command.
2238 ****************************************************************************/
2239
2240 static void call_nt_transact_rename(connection_struct *conn,
2241                                     struct smb_request *req,
2242                                     uint16 **ppsetup, uint32 setup_count,
2243                                     char **ppparams, uint32 parameter_count,
2244                                     char **ppdata, uint32 data_count,
2245                                     uint32 max_data_count)
2246 {
2247         char *params = *ppparams;
2248         char *new_name = NULL;
2249         files_struct *fsp = NULL;
2250         bool replace_if_exists = False;
2251         bool dest_has_wcard = False;
2252         NTSTATUS status;
2253         TALLOC_CTX *ctx = talloc_tos();
2254
2255         if(parameter_count < 5) {
2256                 reply_doserror(req, ERRDOS, ERRbadfunc);
2257                 return;
2258         }
2259
2260         fsp = file_fsp(SVAL(params, 0));
2261         replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
2262         if (!check_fsp(conn, req, fsp, &current_user)) {
2263                 return;
2264         }
2265         srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
2266                               parameter_count - 4,
2267                               STR_TERMINATE, &status, &dest_has_wcard);
2268         if (!NT_STATUS_IS_OK(status)) {
2269                 reply_nterror(req, status);
2270                 return;
2271         }
2272
2273         status = rename_internals(ctx,
2274                         conn,
2275                         req,
2276                         fsp->fsp_name,
2277                         new_name,
2278                         0,
2279                         replace_if_exists,
2280                         False,
2281                         dest_has_wcard);
2282
2283         if (!NT_STATUS_IS_OK(status)) {
2284                 if (open_was_deferred(req->mid)) {
2285                         /* We have re-scheduled this call. */
2286                         return;
2287                 }
2288                 reply_nterror(req, status);
2289                 return;
2290         }
2291
2292         /*
2293          * Rename was successful.
2294          */
2295         send_nt_replies(req, NT_STATUS_OK, NULL, 0, NULL, 0);
2296
2297         DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
2298                  fsp->fsp_name, new_name));
2299
2300         return;
2301 }
2302
2303 /******************************************************************************
2304  Fake up a completely empty SD.
2305 *******************************************************************************/
2306
2307 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
2308 {
2309         size_t sd_size;
2310
2311         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
2312         if(!*ppsd) {
2313                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
2314                 return NT_STATUS_NO_MEMORY;
2315         }
2316
2317         return NT_STATUS_OK;
2318 }
2319
2320 /****************************************************************************
2321  Reply to query a security descriptor.
2322 ****************************************************************************/
2323
2324 static void call_nt_transact_query_security_desc(connection_struct *conn,
2325                                                  struct smb_request *req,
2326                                                  uint16 **ppsetup,
2327                                                  uint32 setup_count,
2328                                                  char **ppparams,
2329                                                  uint32 parameter_count,
2330                                                  char **ppdata,
2331                                                  uint32 data_count,
2332                                                  uint32 max_data_count)
2333 {
2334         char *params = *ppparams;
2335         char *data = *ppdata;
2336         prs_struct pd;
2337         SEC_DESC *psd = NULL;
2338         size_t sd_size;
2339         uint32 security_info_wanted;
2340         TALLOC_CTX *mem_ctx;
2341         files_struct *fsp = NULL;
2342         NTSTATUS status;
2343
2344         if(parameter_count < 8) {
2345                 reply_doserror(req, ERRDOS, ERRbadfunc);
2346                 return;
2347         }
2348
2349         fsp = file_fsp(SVAL(params,0));
2350         if(!fsp) {
2351                 reply_doserror(req, ERRDOS, ERRbadfid);
2352                 return;
2353         }
2354
2355         security_info_wanted = IVAL(params,4);
2356
2357         DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
2358                         (unsigned int)security_info_wanted ));
2359
2360         params = nttrans_realloc(ppparams, 4);
2361         if(params == NULL) {
2362                 reply_doserror(req, ERRDOS, ERRnomem);
2363                 return;
2364         }
2365
2366         if ((mem_ctx = talloc_init("call_nt_transact_query_security_desc")) == NULL) {
2367                 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
2368                 reply_doserror(req, ERRDOS, ERRnomem);
2369                 return;
2370         }
2371
2372         /*
2373          * Get the permissions to return.
2374          */
2375
2376         if (!lp_nt_acl_support(SNUM(conn))) {
2377                 status = get_null_nt_acl(mem_ctx, &psd);
2378         } else {
2379                 status = SMB_VFS_FGET_NT_ACL(fsp, fsp->fh->fd,
2380                                              security_info_wanted, &psd);
2381         }
2382
2383         if (!NT_STATUS_IS_OK(status)) {
2384                 talloc_destroy(mem_ctx);
2385                 reply_nterror(req, status);
2386                 return;
2387         }
2388
2389         sd_size = sec_desc_size(psd);
2390
2391         DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
2392
2393         SIVAL(params,0,(uint32)sd_size);
2394
2395         if(max_data_count < sd_size) {
2396
2397                 send_nt_replies(req, NT_STATUS_BUFFER_TOO_SMALL,
2398                                 params, 4, *ppdata, 0);
2399                 talloc_destroy(mem_ctx);
2400                 return;
2401         }
2402
2403         /*
2404          * Allocate the data we will point this at.
2405          */
2406
2407         data = nttrans_realloc(ppdata, sd_size);
2408         if(data == NULL) {
2409                 talloc_destroy(mem_ctx);
2410                 reply_doserror(req, ERRDOS, ERRnomem);
2411                 return;
2412         }
2413
2414         /*
2415          * Init the parse struct we will marshall into.
2416          */
2417
2418         prs_init(&pd, 0, mem_ctx, MARSHALL);
2419
2420         /*
2421          * Setup the prs_struct to point at the memory we just
2422          * allocated.
2423          */
2424
2425         prs_give_memory( &pd, data, (uint32)sd_size, False);
2426
2427         /*
2428          * Finally, linearize into the outgoing buffer.
2429          */
2430
2431         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
2432                 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
2433 security descriptor.\n"));
2434                 /*
2435                  * Return access denied for want of a better error message..
2436                  */
2437                 talloc_destroy(mem_ctx);
2438                 reply_unixerror(req, ERRDOS, ERRnoaccess);
2439                 return;
2440         }
2441
2442         /*
2443          * Now we can delete the security descriptor.
2444          */
2445
2446         talloc_destroy(mem_ctx);
2447
2448         send_nt_replies(req, NT_STATUS_OK, params, 4, data, (int)sd_size);
2449         return;
2450 }
2451
2452 /****************************************************************************
2453  Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2454 ****************************************************************************/
2455
2456 static void call_nt_transact_set_security_desc(connection_struct *conn,
2457                                                struct smb_request *req,
2458                                                uint16 **ppsetup,
2459                                                uint32 setup_count,
2460                                                char **ppparams,
2461                                                uint32 parameter_count,
2462                                                char **ppdata,
2463                                                uint32 data_count,
2464                                                uint32 max_data_count)
2465 {
2466         char *params= *ppparams;
2467         char *data = *ppdata;
2468         files_struct *fsp = NULL;
2469         uint32 security_info_sent = 0;
2470         NTSTATUS nt_status;
2471
2472         if(parameter_count < 8) {
2473                 reply_doserror(req, ERRDOS, ERRbadfunc);
2474                 return;
2475         }
2476
2477         if((fsp = file_fsp(SVAL(params,0))) == NULL) {
2478                 reply_doserror(req, ERRDOS, ERRbadfid);
2479                 return;
2480         }
2481
2482         if(!lp_nt_acl_support(SNUM(conn))) {
2483                 goto done;
2484         }
2485
2486         security_info_sent = IVAL(params,4);
2487
2488         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
2489                 (unsigned int)security_info_sent ));
2490
2491         if (data_count == 0) {
2492                 reply_doserror(req, ERRDOS, ERRnoaccess);
2493                 return;
2494         }
2495
2496         if (!NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, data_count, security_info_sent))) {
2497                 reply_nterror(req, nt_status);
2498                 return;
2499         }
2500
2501   done:
2502
2503         send_nt_replies(req, NT_STATUS_OK, NULL, 0, NULL, 0);
2504         return;
2505 }
2506
2507 /****************************************************************************
2508  Reply to NT IOCTL
2509 ****************************************************************************/
2510
2511 static void call_nt_transact_ioctl(connection_struct *conn,
2512                                    struct smb_request *req,
2513                                    uint16 **ppsetup, uint32 setup_count,
2514                                    char **ppparams, uint32 parameter_count,
2515                                    char **ppdata, uint32 data_count,
2516                                    uint32 max_data_count)
2517 {
2518         uint32 function;
2519         uint16 fidnum;
2520         files_struct *fsp;
2521         uint8 isFSctl;
2522         uint8 compfilter;
2523         static bool logged_message;
2524         char *pdata = *ppdata;
2525
2526         if (setup_count != 8) {
2527                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2528                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2529                 return;
2530         }
2531
2532         function = IVAL(*ppsetup, 0);
2533         fidnum = SVAL(*ppsetup, 4);
2534         isFSctl = CVAL(*ppsetup, 6);
2535         compfilter = CVAL(*ppsetup, 7);
2536
2537         DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2538                  function, fidnum, isFSctl, compfilter));
2539
2540         fsp=file_fsp(fidnum);
2541         /* this check is done in each implemented function case for now
2542            because I don't want to break anything... --metze
2543         FSP_BELONGS_CONN(fsp,conn);*/
2544
2545         switch (function) {
2546         case FSCTL_SET_SPARSE:
2547                 /* pretend this succeeded - tho strictly we should
2548                    mark the file sparse (if the local fs supports it)
2549                    so we can know if we need to pre-allocate or not */
2550
2551                 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2552                 send_nt_replies(req, NT_STATUS_OK, NULL, 0, NULL, 0);
2553                 return;
2554
2555         case FSCTL_CREATE_OR_GET_OBJECT_ID:
2556         {
2557                 unsigned char objid[16];
2558
2559                 /* This should return the object-id on this file.
2560                  * I think I'll make this be the inode+dev. JRA.
2561                  */
2562
2563                 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
2564
2565                 if (!fsp_belongs_conn(conn, req, fsp, &current_user)) {
2566                         return;
2567                 }
2568
2569                 data_count = 64;
2570                 pdata = nttrans_realloc(ppdata, data_count);
2571                 if (pdata == NULL) {
2572                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2573                         return;
2574                 }
2575                 push_file_id_16(pdata, &fsp->file_id);
2576                 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
2577                 push_file_id_16(pdata+32, &fsp->file_id);
2578                 send_nt_replies(req, NT_STATUS_OK, NULL, 0,
2579                                 pdata, data_count);
2580                 return;
2581         }
2582
2583         case FSCTL_GET_REPARSE_POINT:
2584                 /* pretend this fail - my winXP does it like this
2585                  * --metze
2586                  */
2587
2588                 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2589                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2590                 return;
2591
2592         case FSCTL_SET_REPARSE_POINT:
2593                 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2594                  * --metze
2595                  */
2596
2597                 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2598                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2599                 return;
2600
2601         case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2602         {
2603                 /*
2604                  * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2605                  * and return their volume names.  If max_data_count is 16, then it is just
2606                  * asking for the number of volumes and length of the combined names.
2607                  *
2608                  * pdata is the data allocated by our caller, but that uses
2609                  * total_data_count (which is 0 in our case) rather than max_data_count.
2610                  * Allocate the correct amount and return the pointer to let
2611                  * it be deallocated when we return.
2612                  */
2613                 SHADOW_COPY_DATA *shadow_data = NULL;
2614                 TALLOC_CTX *shadow_mem_ctx = NULL;
2615                 bool labels = False;
2616                 uint32 labels_data_count = 0;
2617                 uint32 i;
2618                 char *cur_pdata;
2619
2620                 if (!fsp_belongs_conn(conn, req, fsp, &current_user)) {
2621                         return;
2622                 }
2623
2624                 if (max_data_count < 16) {
2625                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2626                                 max_data_count));
2627                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2628                         return;
2629                 }
2630
2631                 if (max_data_count > 16) {
2632                         labels = True;
2633                 }
2634
2635                 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2636                 if (shadow_mem_ctx == NULL) {
2637                         DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2638                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2639                         return;
2640                 }
2641
2642                 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2643                 if (shadow_data == NULL) {
2644                         DEBUG(0,("TALLOC_ZERO() failed!\n"));
2645                         talloc_destroy(shadow_mem_ctx);
2646                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2647                         return;
2648                 }
2649
2650                 shadow_data->mem_ctx = shadow_mem_ctx;
2651
2652                 /*
2653                  * Call the VFS routine to actually do the work.
2654                  */
2655                 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2656                         talloc_destroy(shadow_data->mem_ctx);
2657                         if (errno == ENOSYS) {
2658                                 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2659                                         conn->connectpath));
2660                                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2661                                 return;
2662                         } else {
2663                                 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2664                                         conn->connectpath));
2665                                 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
2666                                 return;
2667                         }
2668                 }
2669
2670                 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2671
2672                 if (!labels) {
2673                         data_count = 16;
2674                 } else {
2675                         data_count = 12+labels_data_count+4;
2676                 }
2677
2678                 if (max_data_count<data_count) {
2679                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2680                                 max_data_count,data_count));
2681                         talloc_destroy(shadow_data->mem_ctx);
2682                         reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
2683                         return;
2684                 }
2685
2686                 pdata = nttrans_realloc(ppdata, data_count);
2687                 if (pdata == NULL) {
2688                         talloc_destroy(shadow_data->mem_ctx);
2689                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2690                         return;
2691                 }
2692
2693                 cur_pdata = pdata;
2694
2695                 /* num_volumes 4 bytes */
2696                 SIVAL(pdata,0,shadow_data->num_volumes);
2697
2698                 if (labels) {
2699                         /* num_labels 4 bytes */
2700                         SIVAL(pdata,4,shadow_data->num_volumes);
2701                 }
2702
2703                 /* needed_data_count 4 bytes */
2704                 SIVAL(pdata,8,labels_data_count);
2705
2706                 cur_pdata+=12;
2707
2708                 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2709                         shadow_data->num_volumes,fsp->fsp_name));
2710                 if (labels && shadow_data->labels) {
2711                         for (i=0;i<shadow_data->num_volumes;i++) {
2712                                 srvstr_push(pdata, req->flags2,
2713                                             cur_pdata, shadow_data->labels[i],
2714                                             2*sizeof(SHADOW_COPY_LABEL),
2715                                             STR_UNICODE|STR_TERMINATE);
2716                                 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2717                                 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2718                         }
2719                 }
2720
2721                 talloc_destroy(shadow_data->mem_ctx);
2722
2723                 send_nt_replies(req, NT_STATUS_OK, NULL, 0,
2724                                 pdata, data_count);
2725
2726                 return;
2727         }
2728
2729         case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2730         {
2731                 /* pretend this succeeded -
2732                  *
2733                  * we have to send back a list with all files owned by this SID
2734                  *
2735                  * but I have to check that --metze
2736                  */
2737                 DOM_SID sid;
2738                 uid_t uid;
2739                 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2740
2741                 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2742
2743                 if (!fsp_belongs_conn(conn, req, fsp, &current_user)) {
2744                         return;
2745                 }
2746
2747                 /* unknown 4 bytes: this is not the length of the sid :-(  */
2748                 /*unknown = IVAL(pdata,0);*/
2749
2750                 sid_parse(pdata+4,sid_len,&sid);
2751                 DEBUGADD(10,("for SID: %s\n",sid_string_static(&sid)));
2752
2753                 if (!sid_to_uid(&sid, &uid)) {
2754                         DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2755                                 sid_string_static(&sid),(unsigned long)sid_len));
2756                         uid = (-1);
2757                 }
2758
2759                 /* we can take a look at the find source :-)
2760                  *
2761                  * find ./ -uid $uid  -name '*'   is what we need here
2762                  *
2763                  *
2764                  * and send 4bytes len and then NULL terminated unicode strings
2765                  * for each file
2766                  *
2767                  * but I don't know how to deal with the paged results
2768                  * (maybe we can hang the result anywhere in the fsp struct)
2769                  *
2770                  * we don't send all files at once
2771                  * and at the next we should *not* start from the beginning,
2772                  * so we have to cache the result
2773                  *
2774                  * --metze
2775                  */
2776
2777                 /* this works for now... */
2778                 send_nt_replies(req, NT_STATUS_OK, NULL, 0, NULL, 0);
2779                 return;
2780         }
2781         default:
2782                 if (!logged_message) {
2783                         logged_message = True; /* Only print this once... */
2784                         DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2785                                  function));
2786                 }
2787         }
2788
2789         reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2790 }
2791
2792
2793 #ifdef HAVE_SYS_QUOTAS
2794 /****************************************************************************
2795  Reply to get user quota
2796 ****************************************************************************/
2797
2798 static void call_nt_transact_get_user_quota(connection_struct *conn,
2799                                             struct smb_request *req,
2800                                             uint16 **ppsetup,
2801                                             uint32 setup_count,
2802                                             char **ppparams,
2803                                             uint32 parameter_count,
2804                                             char **ppdata,
2805                                             uint32 data_count,
2806                                             uint32 max_data_count)
2807 {
2808         NTSTATUS nt_status = NT_STATUS_OK;
2809         char *params = *ppparams;
2810         char *pdata = *ppdata;
2811         char *entry;
2812         int data_len=0,param_len=0;
2813         int qt_len=0;
2814         int entry_len = 0;
2815         files_struct *fsp = NULL;
2816         uint16 level = 0;
2817         size_t sid_len;
2818         DOM_SID sid;
2819         bool start_enum = True;
2820         SMB_NTQUOTA_STRUCT qt;
2821         SMB_NTQUOTA_LIST *tmp_list;
2822         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2823
2824         ZERO_STRUCT(qt);
2825
2826         /* access check */
2827         if (current_user.ut.uid != 0) {
2828                 DEBUG(1,("get_user_quota: access_denied service [%s] user [%s]\n",
2829                         lp_servicename(SNUM(conn)),conn->user));
2830                 reply_doserror(req, ERRDOS, ERRnoaccess);
2831                 return;
2832         }
2833
2834         /*
2835          * Ensure minimum number of parameters sent.
2836          */
2837
2838         if (parameter_count < 4) {
2839                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2840                 reply_doserror(req, ERRDOS, ERRinvalidparam);
2841                 return;
2842         }
2843
2844         /* maybe we can check the quota_fnum */
2845         fsp = file_fsp(SVAL(params,0));
2846         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2847                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2848                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2849                 return;
2850         }
2851
2852         /* the NULL pointer checking for fsp->fake_file_handle->pd
2853          * is done by CHECK_NTQUOTA_HANDLE_OK()
2854          */
2855         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
2856
2857         level = SVAL(params,2);
2858
2859         /* unknown 12 bytes leading in params */
2860
2861         switch (level) {
2862                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2863                         /* seems that we should continue with the enum here --metze */
2864
2865                         if (qt_handle->quota_list!=NULL &&
2866                             qt_handle->tmp_list==NULL) {
2867
2868                                 /* free the list */
2869                                 free_ntquota_list(&(qt_handle->quota_list));
2870
2871                                 /* Realloc the size of parameters and data we will return */
2872                                 param_len = 4;
2873                                 params = nttrans_realloc(ppparams, param_len);
2874                                 if(params == NULL) {
2875                                         reply_doserror(req, ERRDOS, ERRnomem);
2876                                         return;
2877                                 }
2878
2879                                 data_len = 0;
2880                                 SIVAL(params,0,data_len);
2881
2882                                 break;
2883                         }
2884
2885                         start_enum = False;
2886
2887                 case TRANSACT_GET_USER_QUOTA_LIST_START:
2888
2889                         if (qt_handle->quota_list==NULL &&
2890                                 qt_handle->tmp_list==NULL) {
2891                                 start_enum = True;
2892                         }
2893
2894                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2895                                 reply_doserror(req, ERRSRV, ERRerror);
2896                                 return;
2897                         }
2898
2899                         /* Realloc the size of parameters and data we will return */
2900                         param_len = 4;
2901                         params = nttrans_realloc(ppparams, param_len);
2902                         if(params == NULL) {
2903                                 reply_doserror(req, ERRDOS, ERRnomem);
2904                                 return;
2905                         }
2906
2907                         /* we should not trust the value in max_data_count*/
2908                         max_data_count = MIN(max_data_count,2048);
2909
2910                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2911                         if(pdata == NULL) {
2912                                 reply_doserror(req, ERRDOS, ERRnomem);
2913                                 return;
2914                         }
2915
2916                         entry = pdata;
2917
2918                         /* set params Size of returned Quota Data 4 bytes*/
2919                         /* but set it later when we know it */
2920
2921                         /* for each entry push the data */
2922
2923                         if (start_enum) {
2924                                 qt_handle->tmp_list = qt_handle->quota_list;
2925                         }
2926
2927                         tmp_list = qt_handle->tmp_list;
2928
2929                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2930                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2931
2932                                 sid_len = sid_size(&tmp_list->quotas->sid);
2933                                 entry_len = 40 + sid_len;
2934
2935                                 /* nextoffset entry 4 bytes */
2936                                 SIVAL(entry,0,entry_len);
2937
2938                                 /* then the len of the SID 4 bytes */
2939                                 SIVAL(entry,4,sid_len);
2940
2941                                 /* unknown data 8 bytes SMB_BIG_UINT */
2942                                 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2943
2944                                 /* the used disk space 8 bytes SMB_BIG_UINT */
2945                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2946
2947                                 /* the soft quotas 8 bytes SMB_BIG_UINT */
2948                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2949
2950                                 /* the hard quotas 8 bytes SMB_BIG_UINT */
2951                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2952
2953                                 /* and now the SID */
2954                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2955                         }
2956
2957                         qt_handle->tmp_list = tmp_list;
2958
2959                         /* overwrite the offset of the last entry */
2960                         SIVAL(entry-entry_len,0,0);
2961
2962                         data_len = 4+qt_len;
2963                         /* overwrite the params quota_data_len */
2964                         SIVAL(params,0,data_len);
2965
2966                         break;
2967
2968                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2969
2970                         /* unknown 4 bytes IVAL(pdata,0) */
2971
2972                         if (data_count < 8) {
2973                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2974                                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2975                                 return;
2976                         }
2977
2978                         sid_len = IVAL(pdata,4);
2979                         /* Ensure this is less than 1mb. */
2980                         if (sid_len > (1024*1024)) {
2981                                 reply_doserror(req, ERRDOS, ERRnomem);
2982                                 return;
2983                         }
2984
2985                         if (data_count < 8+sid_len) {
2986                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2987                                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2988                                 return;
2989                         }
2990
2991                         data_len = 4+40+sid_len;
2992
2993                         if (max_data_count < data_len) {
2994                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2995                                         max_data_count, data_len));
2996                                 param_len = 4;
2997                                 SIVAL(params,0,data_len);
2998                                 data_len = 0;
2999                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
3000                                 break;
3001                         }
3002
3003                         sid_parse(pdata+8,sid_len,&sid);
3004
3005                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
3006                                 ZERO_STRUCT(qt);
3007                                 /*
3008                                  * we have to return zero's in all fields
3009                                  * instead of returning an error here
3010                                  * --metze
3011                                  */
3012                         }
3013
3014                         /* Realloc the size of parameters and data we will return */
3015                         param_len = 4;
3016                         params = nttrans_realloc(ppparams, param_len);
3017                         if(params == NULL) {
3018                                 reply_doserror(req, ERRDOS, ERRnomem);
3019                                 return;
3020                         }
3021
3022                         pdata = nttrans_realloc(ppdata, data_len);
3023                         if(pdata == NULL) {
3024                                 reply_doserror(req, ERRDOS, ERRnomem);
3025                                 return;
3026                         }
3027
3028                         entry = pdata;
3029
3030                         /* set params Size of returned Quota Data 4 bytes*/
3031                         SIVAL(params,0,data_len);
3032
3033                         /* nextoffset entry 4 bytes */
3034                         SIVAL(entry,0,0);
3035
3036                         /* then the len of the SID 4 bytes */
3037                         SIVAL(entry,4,sid_len);
3038
3039                         /* unknown data 8 bytes SMB_BIG_UINT */
3040                         SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
3041
3042                         /* the used disk space 8 bytes SMB_BIG_UINT */
3043                         SBIG_UINT(entry,16,qt.usedspace);
3044
3045                         /* the soft quotas 8 bytes SMB_BIG_UINT */
3046                         SBIG_UINT(entry,24,qt.softlim);
3047
3048                         /* the hard quotas 8 bytes SMB_BIG_UINT */
3049                         SBIG_UINT(entry,32,qt.hardlim);
3050
3051                         /* and now the SID */
3052                         sid_linearize(entry+40, sid_len, &sid);
3053
3054                         break;
3055
3056                 default:
3057                         DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
3058                         reply_doserror(req, ERRSRV, ERRerror);
3059                         return;
3060                         break;
3061         }
3062
3063         send_nt_replies(req, nt_status, params, param_len,
3064                         pdata, data_len);
3065 }
3066
3067 /****************************************************************************
3068  Reply to set user quota
3069 ****************************************************************************/
3070
3071 static void call_nt_transact_set_user_quota(connection_struct *conn,
3072                                             struct smb_request *req,
3073                                             uint16 **ppsetup,
3074                                             uint32 setup_count,
3075                                             char **ppparams,
3076                                             uint32 parameter_count,
3077                                             char **ppdata,
3078                                             uint32 data_count,
3079                                             uint32 max_data_count)
3080 {
3081         char *params = *ppparams;
3082         char *pdata = *ppdata;
3083         int data_len=0,param_len=0;
3084         SMB_NTQUOTA_STRUCT qt;
3085         size_t sid_len;
3086         DOM_SID sid;
3087         files_struct *fsp = NULL;
3088
3089         ZERO_STRUCT(qt);
3090
3091         /* access check */
3092         if (current_user.ut.uid != 0) {
3093                 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
3094                         lp_servicename(SNUM(conn)),conn->user));
3095                 reply_doserror(req, ERRDOS, ERRnoaccess);
3096                 return;
3097         }
3098
3099         /*
3100          * Ensure minimum number of parameters sent.
3101          */
3102
3103         if (parameter_count < 2) {
3104                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
3105                 reply_doserror(req, ERRDOS, ERRinvalidparam);
3106                 return;
3107         }
3108
3109         /* maybe we can check the quota_fnum */
3110         fsp = file_fsp(SVAL(params,0));
3111         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
3112                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
3113                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
3114                 return;
3115         }
3116
3117         if (data_count < 40) {
3118                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
3119                 reply_doserror(req, ERRDOS, ERRunknownlevel);
3120                 return;
3121         }
3122
3123         /* offset to next quota record.
3124          * 4 bytes IVAL(pdata,0)
3125          * unused here...
3126          */
3127
3128         /* sid len */
3129         sid_len = IVAL(pdata,4);
3130
3131         if (data_count < 40+sid_len) {
3132                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
3133                 reply_doserror(req, ERRDOS, ERRunknownlevel);
3134                 return;
3135         }
3136
3137         /* unknown 8 bytes in pdata
3138          * maybe its the change time in NTTIME
3139          */
3140
3141         /* the used space 8 bytes (SMB_BIG_UINT)*/
3142         qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
3143 #ifdef LARGE_SMB_OFF_T
3144         qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
3145 #else /* LARGE_SMB_OFF_T */
3146         if ((IVAL(pdata,20) != 0)&&
3147                 ((qt.usedspace != 0xFFFFFFFF)||
3148                 (IVAL(pdata,20)!=0xFFFFFFFF))) {
3149                 /* more than 32 bits? */
3150                 reply_doserror(req, ERRDOS, ERRunknownlevel);
3151                 return;
3152         }
3153 #endif /* LARGE_SMB_OFF_T */
3154
3155         /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
3156         qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
3157 #ifdef LARGE_SMB_OFF_T
3158         qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
3159 #else /* LARGE_SMB_OFF_T */
3160         if ((IVAL(pdata,28) != 0)&&
3161                 ((qt.softlim != 0xFFFFFFFF)||
3162                 (IVAL(pdata,28)!=0xFFFFFFFF))) {
3163                 /* more than 32 bits? */
3164                 reply_doserror(req, ERRDOS, ERRunknownlevel);
3165                 return;
3166         }
3167 #endif /* LARGE_SMB_OFF_T */
3168
3169         /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
3170         qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
3171 #ifdef LARGE_SMB_OFF_T
3172         qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
3173 #else /* LARGE_SMB_OFF_T */
3174         if ((IVAL(pdata,36) != 0)&&
3175                 ((qt.hardlim != 0xFFFFFFFF)||
3176                 (IVAL(pdata,36)!=0xFFFFFFFF))) {
3177                 /* more than 32 bits? */
3178                 reply_doserror(req, ERRDOS, ERRunknownlevel);
3179                 return;
3180         }
3181 #endif /* LARGE_SMB_OFF_T */
3182
3183         sid_parse(pdata+40,sid_len,&sid);
3184         DEBUGADD(8,("SID: %s\n",sid_string_static(&sid)));
3185
3186         /* 44 unknown bytes left... */
3187
3188         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
3189                 reply_doserror(req, ERRSRV, ERRerror);
3190                 return;
3191         }
3192
3193         send_nt_replies(req, NT_STATUS_OK, params, param_len,
3194                         pdata, data_len);
3195 }
3196 #endif /* HAVE_SYS_QUOTAS */
3197
3198 static void handle_nttrans(connection_struct *conn,
3199                            struct trans_state *state,
3200                            struct smb_request *req)
3201 {
3202         if (Protocol >= PROTOCOL_NT1) {
3203                 req->flags2 |= 0x40; /* IS_LONG_NAME */
3204                 SSVAL(req->inbuf,smb_flg2,req->flags2);
3205         }
3206
3207         /* Now we must call the relevant NT_TRANS function */
3208         switch(state->call) {
3209                 case NT_TRANSACT_CREATE:
3210                 {
3211                         START_PROFILE(NT_transact_create);
3212                         call_nt_transact_create(
3213                                 conn, req,
3214                                 &state->setup, state->setup_count,
3215                                 &state->param, state->total_param,
3216                                 &state->data, state->total_data,
3217                                 state->max_data_return);
3218                         END_PROFILE(NT_transact_create);
3219                         break;
3220                 }
3221
3222                 case NT_TRANSACT_IOCTL:
3223                 {
3224                         START_PROFILE(NT_transact_ioctl);
3225                         call_nt_transact_ioctl(
3226                                 conn, req,
3227                                 &state->setup, state->setup_count,
3228                                 &state->param, state->total_param,
3229                                 &state->data, state->total_data,
3230                                 state->max_data_return);
3231                         END_PROFILE(NT_transact_ioctl);
3232                         break;
3233                 }
3234
3235                 case NT_TRANSACT_SET_SECURITY_DESC:
3236                 {
3237                         START_PROFILE(NT_transact_set_security_desc);
3238                         call_nt_transact_set_security_desc(
3239                                 conn, req,
3240                                 &state->setup, state->setup_count,
3241                                 &state->param, state->total_param,
3242                                 &state->data, state->total_data,
3243                                 state->max_data_return);
3244                         END_PROFILE(NT_transact_set_security_desc);
3245                         break;
3246                 }
3247
3248                 case NT_TRANSACT_NOTIFY_CHANGE:
3249                 {
3250                         START_PROFILE(NT_transact_notify_change);
3251                         call_nt_transact_notify_change(
3252                                 conn, req,
3253                                 &state->setup, state->setup_count,
3254                                 &state->param, state->total_param,
3255                                 &state->data, state->total_data,
3256                                 state->max_data_return,
3257                                 state->max_param_return);
3258                         END_PROFILE(NT_transact_notify_change);
3259                         break;
3260                 }
3261
3262                 case NT_TRANSACT_RENAME:
3263                 {
3264                         START_PROFILE(NT_transact_rename);
3265                         call_nt_transact_rename(
3266                                 conn, req,
3267                                 &state->setup, state->setup_count,
3268                                 &state->param, state->total_param,
3269                                 &state->data, state->total_data,
3270                                 state->max_data_return);
3271                         END_PROFILE(NT_transact_rename);
3272                         break;
3273                 }
3274
3275                 case NT_TRANSACT_QUERY_SECURITY_DESC:
3276                 {
3277                         START_PROFILE(NT_transact_query_security_desc);
3278                         call_nt_transact_query_security_desc(
3279                                 conn, req,
3280                                 &state->setup, state->setup_count,
3281                                 &state->param, state->total_param,
3282                                 &state->data, state->total_data,
3283                                 state->max_data_return);
3284                         END_PROFILE(NT_transact_query_security_desc);
3285                         break;
3286                 }
3287
3288 #ifdef HAVE_SYS_QUOTAS
3289                 case NT_TRANSACT_GET_USER_QUOTA:
3290                 {
3291                         START_PROFILE(NT_transact_get_user_quota);
3292                         call_nt_transact_get_user_quota(
3293                                 conn, req,
3294                                 &state->setup, state->setup_count,
3295                                 &state->param, state->total_param,
3296                                 &state->data, state->total_data,
3297                                 state->max_data_return);
3298                         END_PROFILE(NT_transact_get_user_quota);
3299                         break;
3300                 }
3301
3302                 case NT_TRANSACT_SET_USER_QUOTA:
3303                 {
3304                         START_PROFILE(NT_transact_set_user_quota);
3305                         call_nt_transact_set_user_quota(
3306                                 conn, req,
3307                                 &state->setup, state->setup_count,
3308                                 &state->param, state->total_param,
3309                                 &state->data, state->total_data,
3310                                 state->max_data_return);
3311                         END_PROFILE(NT_transact_set_user_quota);
3312                         break;
3313                 }
3314 #endif /* HAVE_SYS_QUOTAS */
3315
3316                 default:
3317                         /* Error in request */
3318                         DEBUG(0,("handle_nttrans: Unknown request %d in "
3319                                  "nttrans call\n", state->call));
3320                         reply_doserror(req, ERRSRV, ERRerror);
3321                         return;
3322         }
3323         return;
3324 }
3325
3326 /****************************************************************************
3327  Reply to a SMBNTtrans.
3328 ****************************************************************************/
3329
3330 void reply_nttrans(connection_struct *conn, struct smb_request *req)
3331 {
3332         uint32 pscnt;
3333         uint32 psoff;
3334         uint32 dscnt;
3335         uint32 dsoff;
3336         uint16 function_code;
3337         NTSTATUS result;
3338         struct trans_state *state;
3339         int size;
3340
3341         START_PROFILE(SMBnttrans);
3342
3343         if (req->wct < 19) {
3344                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3345                 END_PROFILE(SMBnttrans);
3346                 return;
3347         }
3348
3349         size = smb_len(req->inbuf) + 4;
3350         pscnt = IVAL(req->inbuf,smb_nt_ParameterCount);
3351         psoff = IVAL(req->inbuf,smb_nt_ParameterOffset);
3352         dscnt = IVAL(req->inbuf,smb_nt_DataCount);
3353         dsoff = IVAL(req->inbuf,smb_nt_DataOffset);
3354         function_code = SVAL(req->inbuf, smb_nt_Function);
3355
3356         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
3357                 reply_doserror(req, ERRSRV, ERRaccess);
3358                 END_PROFILE(SMBnttrans);
3359                 return;
3360         }
3361
3362         result = allow_new_trans(conn->pending_trans, req->mid);
3363         if (!NT_STATUS_IS_OK(result)) {
3364                 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
3365                 reply_nterror(req, result);
3366                 END_PROFILE(SMBnttrans);
3367                 return;
3368         }
3369
3370         if ((state = TALLOC_P(conn->mem_ctx, struct trans_state)) == NULL) {
3371                 reply_doserror(req, ERRSRV, ERRaccess);
3372                 END_PROFILE(SMBnttrans);
3373                 return;
3374         }
3375
3376         state->cmd = SMBnttrans;
3377
3378         state->mid = req->mid;
3379         state->vuid = req->vuid;
3380         state->total_data = IVAL(req->inbuf, smb_nt_TotalDataCount);
3381         state->data = NULL;
3382         state->total_param = IVAL(req->inbuf, smb_nt_TotalParameterCount);
3383         state->param = NULL;
3384         state->max_data_return = IVAL(req->inbuf,smb_nt_MaxDataCount);
3385         state->max_param_return = IVAL(req->inbuf,smb_nt_MaxParameterCount);
3386
3387         /* setup count is in *words* */
3388         state->setup_count = 2*CVAL(req->inbuf,smb_nt_SetupCount);
3389         state->setup = NULL;
3390         state->call = function_code;
3391
3392         /*
3393          * All nttrans messages we handle have smb_wct == 19 +
3394          * state->setup_count.  Ensure this is so as a sanity check.
3395          */
3396
3397         if(req->wct != 19 + (state->setup_count/2)) {
3398                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
3399                          req->wct, 19 + (state->setup_count/2)));
3400                 goto bad_param;
3401         }
3402
3403         /* Don't allow more than 128mb for each value. */
3404         if ((state->total_data > (1024*1024*128)) ||
3405             (state->total_param > (1024*1024*128))) {
3406                 reply_doserror(req, ERRDOS, ERRnomem);
3407                 END_PROFILE(SMBnttrans);
3408                 return;
3409         }
3410
3411         if ((dscnt > state->total_data) || (pscnt > state->total_param))
3412                 goto bad_param;
3413
3414         if (state->total_data)  {
3415                 /* Can't use talloc here, the core routines do realloc on the
3416                  * params and data. */
3417                 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
3418                         DEBUG(0,("reply_nttrans: data malloc fail for %u "
3419                                  "bytes !\n", (unsigned int)state->total_data));
3420                         TALLOC_FREE(state);
3421                         reply_doserror(req, ERRDOS, ERRnomem);
3422                         END_PROFILE(SMBnttrans);
3423                         return;
3424                 }
3425                 if ((dsoff+dscnt < dsoff) || (dsoff+dscnt < dscnt))
3426                         goto bad_param;
3427                 if ((smb_base(req->inbuf)+dsoff+dscnt
3428                      > (char *)req->inbuf + size) ||
3429                     (smb_base(req->inbuf)+dsoff+dscnt < smb_base(req->inbuf)))
3430                         goto bad_param;
3431
3432                 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
3433         }
3434
3435         if (state->total_param) {
3436                 /* Can't use talloc here, the core routines do realloc on the
3437                  * params and data. */
3438                 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
3439                         DEBUG(0,("reply_nttrans: param malloc fail for %u "
3440                                  "bytes !\n", (unsigned int)state->total_param));
3441                         SAFE_FREE(state->data);
3442                         TALLOC_FREE(state);
3443                         reply_doserror(req, ERRDOS, ERRnomem);
3444                         END_PROFILE(SMBnttrans);
3445                         return;
3446                 }
3447                 if ((psoff+pscnt < psoff) || (psoff+pscnt < pscnt))
3448                         goto bad_param;
3449                 if ((smb_base(req->inbuf)+psoff+pscnt
3450                      > (char *)req->inbuf + size) ||
3451                     (smb_base(req->inbuf)+psoff+pscnt < smb_base(req->inbuf)))
3452                         goto bad_param;
3453
3454                 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
3455         }
3456
3457         state->received_data  = dscnt;
3458         state->received_param = pscnt;
3459
3460         if(state->setup_count > 0) {
3461                 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
3462                           state->setup_count));
3463                 state->setup = (uint16 *)TALLOC(state, state->setup_count);
3464                 if (state->setup == NULL) {
3465                         DEBUG(0,("reply_nttrans : Out of memory\n"));
3466                         SAFE_FREE(state->data);
3467                         SAFE_FREE(state->param);
3468                         TALLOC_FREE(state);
3469                         reply_doserror(req, ERRDOS, ERRnomem);
3470                         END_PROFILE(SMBnttrans);
3471                         return;
3472                 }
3473
3474                 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
3475                     (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
3476                         goto bad_param;
3477                 }
3478                 if (smb_nt_SetupStart + state->setup_count > size) {
3479                         goto bad_param;
3480                 }
3481
3482                 memcpy( state->setup, &req->inbuf[smb_nt_SetupStart],
3483                         state->setup_count);
3484                 dump_data(10, (uint8 *)state->setup, state->setup_count);
3485         }
3486
3487         if ((state->received_data == state->total_data) &&
3488             (state->received_param == state->total_param)) {
3489                 handle_nttrans(conn, state, req);
3490                 SAFE_FREE(state->param);
3491                 SAFE_FREE(state->data);
3492                 TALLOC_FREE(state);
3493                 END_PROFILE(SMBnttrans);
3494                 return;
3495         }
3496
3497         DLIST_ADD(conn->pending_trans, state);
3498
3499         /* We need to send an interim response then receive the rest
3500            of the parameter/data bytes */
3501         reply_outbuf(req, 0, 0);
3502         show_msg((char *)req->outbuf);
3503         END_PROFILE(SMBnttrans);
3504         return;
3505
3506   bad_param:
3507
3508         DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3509         SAFE_FREE(state->data);
3510         SAFE_FREE(state->param);
3511         TALLOC_FREE(state);
3512         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3513         END_PROFILE(SMBnttrans);
3514         return;
3515 }
3516
3517 /****************************************************************************
3518  Reply to a SMBnttranss
3519  ****************************************************************************/
3520
3521 void reply_nttranss(connection_struct *conn, struct smb_request *req)
3522 {
3523         unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
3524         struct trans_state *state;
3525
3526         int size;
3527
3528         START_PROFILE(SMBnttranss);
3529
3530         show_msg((char *)req->inbuf);
3531
3532         if (req->wct < 18) {
3533                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3534                 END_PROFILE(SMBnttranss);
3535                 return;
3536         }
3537
3538         for (state = conn->pending_trans; state != NULL;
3539              state = state->next) {
3540                 if (state->mid == req->mid) {
3541                         break;
3542                 }
3543         }
3544
3545         if ((state == NULL) || (state->cmd != SMBnttrans)) {
3546                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3547                 END_PROFILE(SMBnttranss);
3548                 return;
3549         }
3550
3551         /* Revise state->total_param and state->total_data in case they have
3552            changed downwards */
3553         if (IVAL(req->inbuf, smb_nts_TotalParameterCount)
3554             < state->total_param) {
3555                 state->total_param = IVAL(req->inbuf,
3556                                           smb_nts_TotalParameterCount);
3557         }
3558         if (IVAL(req->inbuf, smb_nts_TotalDataCount) < state->total_data) {
3559                 state->total_data = IVAL(req->inbuf, smb_nts_TotalDataCount);
3560         }
3561
3562         size = smb_len(req->inbuf) + 4;
3563
3564         pcnt = IVAL(req->inbuf,smb_nts_ParameterCount);
3565         poff = IVAL(req->inbuf, smb_nts_ParameterOffset);
3566         pdisp = IVAL(req->inbuf, smb_nts_ParameterDisplacement);
3567
3568         dcnt = IVAL(req->inbuf, smb_nts_DataCount);
3569         ddisp = IVAL(req->inbuf, smb_nts_DataDisplacement);
3570         doff = IVAL(req->inbuf, smb_nts_DataOffset);
3571
3572         state->received_param += pcnt;
3573         state->received_data += dcnt;
3574
3575         if ((state->received_data > state->total_data) ||
3576             (state->received_param > state->total_param))
3577                 goto bad_param;
3578
3579         if (pcnt) {
3580                 if (pdisp+pcnt > state->total_param)
3581                         goto bad_param;
3582                 if ((pdisp+pcnt < pdisp) || (pdisp+pcnt < pcnt))
3583                         goto bad_param;
3584                 if (pdisp > state->total_param)
3585                         goto bad_param;
3586                 if ((smb_base(req->inbuf) + poff + pcnt
3587                      > (char *)req->inbuf + size) ||
3588                     (smb_base(req->inbuf) + poff + pcnt
3589                      < smb_base(req->inbuf)))
3590                         goto bad_param;
3591                 if (state->param + pdisp < state->param)
3592                         goto bad_param;
3593
3594                 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,
3595                        pcnt);
3596         }
3597
3598         if (dcnt) {
3599                 if (ddisp+dcnt > state->total_data)
3600                         goto bad_param;
3601                 if ((ddisp+dcnt < ddisp) || (ddisp+dcnt < dcnt))
3602                         goto bad_param;
3603                 if (ddisp > state->total_data)
3604                         goto bad_param;
3605                 if ((smb_base(req->inbuf) + doff + dcnt
3606                      > (char *)req->inbuf + size) ||
3607                     (smb_base(req->inbuf) + doff + dcnt
3608                      < smb_base(req->inbuf)))
3609                         goto bad_param;
3610                 if (state->data + ddisp < state->data)
3611                         goto bad_param;
3612
3613                 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,
3614                        dcnt);
3615         }
3616
3617         if ((state->received_param < state->total_param) ||
3618             (state->received_data < state->total_data)) {
3619                 END_PROFILE(SMBnttranss);
3620                 return;
3621         }
3622
3623         /*
3624          * construct_reply_common will copy smb_com from inbuf to
3625          * outbuf. SMBnttranss is wrong here.
3626          */
3627         SCVAL(req->inbuf,smb_com,SMBnttrans);
3628
3629         handle_nttrans(conn, state, req);
3630
3631         DLIST_REMOVE(conn->pending_trans, state);
3632         SAFE_FREE(state->data);
3633         SAFE_FREE(state->param);
3634         TALLOC_FREE(state);
3635         END_PROFILE(SMBnttranss);
3636         return;
3637
3638   bad_param:
3639
3640         DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3641         DLIST_REMOVE(conn->pending_trans, state);
3642         SAFE_FREE(state->data);
3643         SAFE_FREE(state->param);
3644         TALLOC_FREE(state);
3645         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3646         END_PROFILE(SMBnttranss);
3647         return;
3648 }