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(connection_struct *conn,
  70                         struct smb_request *req, NTSTATUS nt_error,
  71                      char *params, int paramsize,
  72                      char *pdata, int datasize)
  73 {
  74         int data_to_send = datasize;
  75         int params_to_send = paramsize;
  76         int useable_space;
  77         char *pp = params;
  78         char *pd = pdata;
  79         int params_sent_thistime, data_sent_thistime, total_sent_thistime;
  80         int alignment_offset = 3;
  81         int data_alignment_offset = 0;
  82
  83         /*
  84          * If there genuinely are no parameters or data to send just send
  85          * the empty packet.
  86          */
  87
  88         if(params_to_send == 0 && data_to_send == 0) {
  89                 reply_outbuf(req, 18, 0);
  90                 show_msg((char *)req->outbuf);
  91                 return;
  92         }
  93
  94         /*
  95          * When sending params and data ensure that both are nicely aligned.
  96          * Only do this alignment when there is also data to send - else
  97          * can cause NT redirector problems.
  98          */
  99
 100         if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
 101                 data_alignment_offset = 4 - (params_to_send % 4);
 102         }
 103
 104         /*
 105          * Space is bufsize minus Netbios over TCP header minus SMB header.
 106          * The alignment_offset is to align the param bytes on a four byte
 107          * boundary (2 bytes for data len, one byte pad).
 108          * NT needs this to work correctly.
 109          */
 110
 111         useable_space = max_send - (smb_size
 112                                     + 2 * 18 /* wct */
 113                                     + alignment_offset
 114                                     + data_alignment_offset);
 115
 116         /*
 117          * useable_space can never be more than max_send minus the
 118          * alignment offset.
 119          */
 120
 121         useable_space = MIN(useable_space,
 122                                 max_send - (alignment_offset+data_alignment_offset));
 123
 124
 125         while (params_to_send || data_to_send) {
 126
 127                 /*
 128                  * Calculate whether we will totally or partially fill this packet.
 129                  */
 130
 131                 total_sent_thistime = params_to_send + data_to_send +
 132                                         alignment_offset + data_alignment_offset;
 133
 134                 /*
 135                  * We can never send more than useable_space.
 136                  */
 137
 138                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
 139
 140                 reply_outbuf(req, 18, total_sent_thistime);
 141
 142                 /*
 143                  * Set total params and data to be sent.
 144                  */
 145
 146                 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
 147                 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
 148
 149                 /*
 150                  * Calculate how many parameters and data we can fit into
 151                  * this packet. Parameters get precedence.
 152                  */
 153
 154                 params_sent_thistime = MIN(params_to_send,useable_space);
 155                 data_sent_thistime = useable_space - params_sent_thistime;
 156                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
 157
 158                 SIVAL(req->outbuf, smb_ntr_ParameterCount,
 159                       params_sent_thistime);
 160
 161                 if(params_sent_thistime == 0) {
 162                         SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
 163                         SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
 164                 } else {
 165                         /*
 166                          * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
 167                          * parameter bytes, however the first 4 bytes of outbuf are
 168                          * the Netbios over TCP header. Thus use smb_base() to subtract
 169                          * them from the calculation.
 170                          */
 171
 172                         SIVAL(req->outbuf,smb_ntr_ParameterOffset,
 173                               ((smb_buf(req->outbuf)+alignment_offset)
 174                                - smb_base(req->outbuf)));
 175                         /*
 176                          * Absolute displacement of param bytes sent in this packet.
 177                          */
 178
 179                         SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
 180                               pp - params);
 181                 }
 182
 183                 /*
 184                  * Deal with the data portion.
 185                  */
 186
 187                 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
 188
 189                 if(data_sent_thistime == 0) {
 190                         SIVAL(req->outbuf,smb_ntr_DataOffset,0);
 191                         SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
 192                 } else {
 193                         /*
 194                          * The offset of the data bytes is the offset of the
 195                          * parameter bytes plus the number of parameters being sent this time.
 196                          */
 197
 198                         SIVAL(req->outbuf, smb_ntr_DataOffset,
 199                               ((smb_buf(req->outbuf)+alignment_offset) -
 200                                smb_base(req->outbuf))
 201                               + params_sent_thistime + data_alignment_offset);
 202                         SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
 203                 }
 204
 205                 /*
 206                  * Copy the param bytes into the packet.
 207                  */
 208
 209                 if(params_sent_thistime) {
 210                         if (alignment_offset != 0) {
 211                                 memset(smb_buf(req->outbuf), 0,
 212                                        alignment_offset);
 213                         }
 214                         memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
 215                                params_sent_thistime);
 216                 }
 217
 218                 /*
 219                  * Copy in the data bytes
 220                  */
 221
 222                 if(data_sent_thistime) {
 223                         if (data_alignment_offset != 0) {
 224                                 memset((smb_buf(req->outbuf)+alignment_offset+
 225                                         params_sent_thistime), 0,
 226                                        data_alignment_offset);
 227                         }
 228                         memcpy(smb_buf(req->outbuf)+alignment_offset
 229                                +params_sent_thistime+data_alignment_offset,
 230                                pd,data_sent_thistime);
 231                 }
 232
 233                 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
 234                         params_sent_thistime, data_sent_thistime, useable_space));
 235                 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
 236                         params_to_send, data_to_send, paramsize, datasize));
 237
 238                 if (NT_STATUS_V(nt_error)) {
 239                         error_packet_set((char *)req->outbuf,
 240                                          0, 0, nt_error,
 241                                          __LINE__,__FILE__);
 242                 }
 243
 244                 /* Send the packet */
 245                 show_msg((char *)req->outbuf);
 246                 if (!srv_send_smb(smbd_server_fd(),
 247                                 (char *)req->outbuf,
 248                                 IS_CONN_ENCRYPTED(conn))) {
 249                         exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
 250                 }
 251
 252                 TALLOC_FREE(req->outbuf);
 253
 254                 pp += params_sent_thistime;
 255                 pd += data_sent_thistime;
 256
 257                 params_to_send -= params_sent_thistime;
 258                 data_to_send -= data_sent_thistime;
 259
 260                 /*
 261                  * Sanity check
 262                  */
 263
 264                 if(params_to_send < 0 || data_to_send < 0) {
 265                         DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
 266                                 params_to_send, data_to_send));
 267                         return;
 268                 }
 269         }
 270 }
 271
 272 /****************************************************************************
 273  Is it an NTFS stream name ?
 274  An NTFS file name is <path>.<extention>:<stream name>:<stream type>
 275  $DATA can be used as both a stream name and a stream type. A missing stream
 276  name or type implies $DATA.
 277 ****************************************************************************/
 278
 279 bool is_ntfs_stream_name(const char *fname)
 280 {
 281         if (lp_posix_pathnames()) {
 282                 return False;
 283         }
 284         return (strchr_m(fname, ':') != NULL) ? True : False;
 285 }
 286
 287 /****************************************************************************
 288  Reply to an NT create and X call on a pipe
 289 ****************************************************************************/
 290
 291 static void nt_open_pipe(char *fname, connection_struct *conn,
 292                          struct smb_request *req, int *ppnum)
 293 {
 294         smb_np_struct *p = NULL;
 295         int i;
 296
 297         DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
 298
 299         /* See if it is one we want to handle. */
 300
 301         if (lp_disable_spoolss() && strequal(fname, "\\spoolss")) {
 302                 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
 303                                 ERRDOS, ERRbadpipe);
 304                 return;
 305         }
 306
 307         for( i = 0; known_nt_pipes[i]; i++ ) {
 308                 if( strequal(fname,known_nt_pipes[i])) {
 309                         break;
 310                 }
 311         }
 312
 313         if ( known_nt_pipes[i] == NULL ) {
 314                 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
 315                                 ERRDOS, ERRbadpipe);
 316                 return;
 317         }
 318
 319         /* Strip \\ off the name. */
 320         fname++;
 321
 322         DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
 323
 324         p = open_rpc_pipe_p(fname, conn, req->vuid);
 325         if (!p) {
 326                 reply_doserror(req, ERRSRV, ERRnofids);
 327                 return;
 328         }
 329
 330         /* TODO: Add pipe to db */
 331
 332         if ( !store_pipe_opendb( p ) ) {
 333                 DEBUG(3,("nt_open_pipe: failed to store %s pipe open.\n", fname));
 334         }
 335
 336         *ppnum = p->pnum;
 337         return;
 338 }
 339
 340 /****************************************************************************
 341  Reply to an NT create and X call for pipes.
 342 ****************************************************************************/
 343
 344 static void do_ntcreate_pipe_open(connection_struct *conn,
 345                                   struct smb_request *req)
 346 {
 347         char *fname = NULL;
 348         int pnum = -1;
 349         char *p = NULL;
 350         uint32 flags = IVAL(req->inbuf,smb_ntcreate_Flags);
 351         TALLOC_CTX *ctx = talloc_tos();
 352
 353         srvstr_pull_buf_talloc(ctx, (char *)req->inbuf, req->flags2, &fname,
 354                         smb_buf(req->inbuf), STR_TERMINATE);
 355
 356         if (!fname) {
 357                 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
 358                                 ERRDOS, ERRbadpipe);
 359                 return;
 360         }
 361         nt_open_pipe(fname, conn, req, &pnum);
 362
 363         if (req->outbuf) {
 364                 /* error reply */
 365                 return;
 366         }
 367
 368         /*
 369          * Deal with pipe return.
 370          */
 371
 372         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 373                 /* This is very strange. We
 374                  * return 50 words, but only set
 375                  * the wcnt to 42 ? It's definately
 376                  * what happens on the wire....
 377                  */
 378                 reply_outbuf(req, 50, 0);
 379                 SCVAL(req->outbuf,smb_wct,42);
 380         } else {
 381                 reply_outbuf(req, 34, 0);
 382         }
 383
 384         p = (char *)req->outbuf + smb_vwv2;
 385         p++;
 386         SSVAL(p,0,pnum);
 387         p += 2;
 388         SIVAL(p,0,FILE_WAS_OPENED);
 389         p += 4;
 390         p += 32;
 391         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 392         p += 20;
 393         /* File type. */
 394         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 395         /* Device state. */
 396         SSVAL(p,2, 0x5FF); /* ? */
 397         p += 4;
 398
 399         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 400                 p += 25;
 401                 SIVAL(p,0,FILE_GENERIC_ALL);
 402                 /*
 403                  * For pipes W2K3 seems to return
 404                  * 0x12019B next.
 405                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
 406                  */
 407                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
 408         }
 409
 410         DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
 411
 412         chain_reply(req);
 413 }
 414
 415 /****************************************************************************
 416  Reply to an NT create and X call.
 417 ****************************************************************************/
 418
 419 void reply_ntcreate_and_X(struct smb_request *req)
 420 {
 421         connection_struct *conn = req->conn;
 422         char *fname = NULL;
 423         uint32 flags;
 424         uint32 access_mask;
 425         uint32 file_attributes;
 426         uint32 share_access;
 427         uint32 create_disposition;
 428         uint32 create_options;
 429         uint16 root_dir_fid;
 430         SMB_BIG_UINT allocation_size;
 431         /* Breakout the oplock request bits so we can set the
 432            reply bits separately. */
 433         uint32 fattr=0;
 434         SMB_OFF_T file_len = 0;
 435         SMB_STRUCT_STAT sbuf;
 436         int info = 0;
 437         files_struct *fsp = NULL;
 438         char *p = NULL;
 439         struct timespec c_timespec;
 440         struct timespec a_timespec;
 441         struct timespec m_timespec;
 442         NTSTATUS status;
 443         int oplock_request;
 444         uint8_t oplock_granted = NO_OPLOCK_RETURN;
 445         TALLOC_CTX *ctx = talloc_tos();
 446
 447         START_PROFILE(SMBntcreateX);
 448
 449         if (req->wct < 24) {
 450                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 451                 return;
 452         }
 453
 454         flags = IVAL(req->inbuf,smb_ntcreate_Flags);
 455         access_mask = IVAL(req->inbuf,smb_ntcreate_DesiredAccess);
 456         file_attributes = IVAL(req->inbuf,smb_ntcreate_FileAttributes);
 457         share_access = IVAL(req->inbuf,smb_ntcreate_ShareAccess);
 458         create_disposition = IVAL(req->inbuf,smb_ntcreate_CreateDisposition);
 459         create_options = IVAL(req->inbuf,smb_ntcreate_CreateOptions);
 460         root_dir_fid = (uint16)IVAL(req->inbuf,smb_ntcreate_RootDirectoryFid);
 461
 462         allocation_size = (SMB_BIG_UINT)IVAL(req->inbuf,
 463                                              smb_ntcreate_AllocationSize);
 464 #ifdef LARGE_SMB_OFF_T
 465         allocation_size |= (((SMB_BIG_UINT)IVAL(
 466                                      req->inbuf,
 467                                      smb_ntcreate_AllocationSize + 4)) << 32);
 468 #endif
 469
 470         srvstr_get_path(ctx, (char *)req->inbuf, req->flags2, &fname,
 471                         smb_buf(req->inbuf), 0, STR_TERMINATE, &status);
 472
 473         if (!NT_STATUS_IS_OK(status)) {
 474                 reply_nterror(req, status);
 475                 END_PROFILE(SMBntcreateX);
 476                 return;
 477         }
 478
 479         DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
 480                   "file_attributes = 0x%x, share_access = 0x%x, "
 481                   "create_disposition = 0x%x create_options = 0x%x "
 482                   "root_dir_fid = 0x%x, fname = %s\n",
 483                         (unsigned int)flags,
 484                         (unsigned int)access_mask,
 485                         (unsigned int)file_attributes,
 486                         (unsigned int)share_access,
 487                         (unsigned int)create_disposition,
 488                         (unsigned int)create_options,
 489                         (unsigned int)root_dir_fid,
 490                         fname));
 491
 492         /*
 493          * If it's an IPC, use the pipe handler.
 494          */
 495
 496         if (IS_IPC(conn)) {
 497                 if (lp_nt_pipe_support()) {
 498                         do_ntcreate_pipe_open(conn, req);
 499                         END_PROFILE(SMBntcreateX);
 500                         return;
 501                 } else {
 502                         reply_doserror(req, ERRDOS, ERRnoaccess);
 503                         END_PROFILE(SMBntcreateX);
 504                         return;
 505                 }
 506         }
 507
 508         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 509         if (oplock_request) {
 510                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
 511                         ? BATCH_OPLOCK : 0;
 512         }
 513
 514         status = create_file(conn, req, root_dir_fid, fname,
 515                              access_mask, share_access, create_disposition,
 516                              create_options, file_attributes, oplock_request,
 517                              allocation_size, NULL, NULL, &fsp, &info, &sbuf);
 518
 519         if (!NT_STATUS_IS_OK(status)) {
 520                 if (open_was_deferred(req->mid)) {
 521                         /* We have re-scheduled this call, no error. */
 522                         END_PROFILE(SMBntcreateX);
 523                         return;
 524                 }
 525                 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_COLLISION)) {
 526                         reply_botherror(req, status, ERRDOS, ERRfilexists);
 527                 }
 528                 else {
 529                         reply_nterror(req, status);
 530                 }
 531                 END_PROFILE(SMBntcreateX);
 532                 return;
 533         }
 534
 535         /*
 536          * If the caller set the extended oplock request bit
 537          * and we granted one (by whatever means) - set the
 538          * correct bit for extended oplock reply.
 539          */
 540
 541         if (oplock_request &&
 542             (lp_fake_oplocks(SNUM(conn))
 543              || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
 544
 545                 /*
 546                  * Exclusive oplock granted
 547                  */
 548
 549                 if (flags & REQUEST_BATCH_OPLOCK) {
 550                         oplock_granted = BATCH_OPLOCK_RETURN;
 551                 } else {
 552                         oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
 553                 }
 554         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
 555                 oplock_granted = LEVEL_II_OPLOCK_RETURN;
 556         } else {
 557                 oplock_granted = NO_OPLOCK_RETURN;
 558         }
 559
 560         file_len = sbuf.st_size;
 561         fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
 562         if (fattr == 0) {
 563                 fattr = FILE_ATTRIBUTE_NORMAL;
 564         }
 565
 566         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 567                 /* This is very strange. We
 568                  * return 50 words, but only set
 569                  * the wcnt to 42 ? It's definately
 570                  * what happens on the wire....
 571                  */
 572                 reply_outbuf(req, 50, 0);
 573                 SCVAL(req->outbuf,smb_wct,42);
 574         } else {
 575                 reply_outbuf(req, 34, 0);
 576         }
 577
 578         p = (char *)req->outbuf + smb_vwv2;
 579
 580         SCVAL(p, 0, oplock_granted);
 581
 582         p++;
 583         SSVAL(p,0,fsp->fnum);
 584         p += 2;
 585         if ((create_disposition == FILE_SUPERSEDE)
 586             && (info == FILE_WAS_OVERWRITTEN)) {
 587                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
 588         } else {
 589                 SIVAL(p,0,info);
 590         }
 591         p += 4;
 592
 593         /* Create time. */
 594         c_timespec = get_create_timespec(
 595                 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
 596         a_timespec = get_atimespec(&sbuf);
 597         m_timespec = get_mtimespec(&sbuf);
 598
 599         if (lp_dos_filetime_resolution(SNUM(conn))) {
 600                 dos_filetime_timespec(&c_timespec);
 601                 dos_filetime_timespec(&a_timespec);
 602                 dos_filetime_timespec(&m_timespec);
 603         }
 604
 605         put_long_date_timespec(p, c_timespec); /* create time. */
 606         p += 8;
 607         put_long_date_timespec(p, a_timespec); /* access time */
 608         p += 8;
 609         put_long_date_timespec(p, m_timespec); /* write time */
 610         p += 8;
 611         put_long_date_timespec(p, m_timespec); /* change time */
 612         p += 8;
 613         SIVAL(p,0,fattr); /* File Attributes. */
 614         p += 4;
 615         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
 616         p += 8;
 617         SOFF_T(p,0,file_len);
 618         p += 8;
 619         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 620                 SSVAL(p,2,0x7);
 621         }
 622         p += 4;
 623         SCVAL(p,0,fsp->is_directory ? 1 : 0);
 624
 625         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 626                 uint32 perms = 0;
 627                 p += 25;
 628                 if (fsp->is_directory
 629                     || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
 630                         perms = FILE_GENERIC_ALL;
 631                 } else {
 632                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
 633                 }
 634                 SIVAL(p,0,perms);
 635         }
 636
 637         DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
 638                  fsp->fnum, fsp->fsp_name));
 639
 640         chain_reply(req);
 641         END_PROFILE(SMBntcreateX);
 642         return;
 643 }
 644
 645 /****************************************************************************
 646  Reply to a NT_TRANSACT_CREATE call to open a pipe.
 647 ****************************************************************************/
 648
 649 static void do_nt_transact_create_pipe(connection_struct *conn,
 650                                        struct smb_request *req,
 651                                        uint16 **ppsetup, uint32 setup_count,
 652                                        char **ppparams, uint32 parameter_count,
 653                                        char **ppdata, uint32 data_count)
 654 {
 655         char *fname = NULL;
 656         char *params = *ppparams;
 657         int pnum = -1;
 658         char *p = NULL;
 659         NTSTATUS status;
 660         size_t param_len;
 661         uint32 flags;
 662         TALLOC_CTX *ctx = talloc_tos();
 663
 664         /*
 665          * Ensure minimum number of parameters sent.
 666          */
 667
 668         if(parameter_count < 54) {
 669                 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
 670                 reply_doserror(req, ERRDOS, ERRnoaccess);
 671                 return;
 672         }
 673
 674         flags = IVAL(params,0);
 675
 676         srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
 677                         parameter_count-53, STR_TERMINATE,
 678                         &status);
 679         if (!NT_STATUS_IS_OK(status)) {
 680                 reply_nterror(req, status);
 681                 return;
 682         }
 683
 684         nt_open_pipe(fname, conn, req, &pnum);
 685
 686         if (req->outbuf) {
 687                 /* Error return */
 688                 return;
 689         }
 690
 691         /* Realloc the size of parameters and data we will return */
 692         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 693                 /* Extended response is 32 more byyes. */
 694                 param_len = 101;
 695         } else {
 696                 param_len = 69;
 697         }
 698         params = nttrans_realloc(ppparams, param_len);
 699         if(params == NULL) {
 700                 reply_doserror(req, ERRDOS, ERRnomem);
 701                 return;
 702         }
 703
 704         p = params;
 705         SCVAL(p,0,NO_OPLOCK_RETURN);
 706
 707         p += 2;
 708         SSVAL(p,0,pnum);
 709         p += 2;
 710         SIVAL(p,0,FILE_WAS_OPENED);
 711         p += 8;
 712
 713         p += 32;
 714         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 715         p += 20;
 716         /* File type. */
 717         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 718         /* Device state. */
 719         SSVAL(p,2, 0x5FF); /* ? */
 720         p += 4;
 721
 722         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 723                 p += 25;
 724                 SIVAL(p,0,FILE_GENERIC_ALL);
 725                 /*
 726                  * For pipes W2K3 seems to return
 727                  * 0x12019B next.
 728                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
 729                  */
 730                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
 731         }
 732
 733         DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
 734
 735         /* Send the required number of replies */
 736         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
 737
 738         return;
 739 }
 740
 741 /****************************************************************************
 742  Internal fn to set security descriptors.
 743 ****************************************************************************/
 744
 745 static NTSTATUS set_sd(files_struct *fsp, uint8 *data, uint32 sd_len,
 746                        uint32 security_info_sent)
 747 {
 748         SEC_DESC *psd = NULL;
 749         NTSTATUS status;
 750
 751         if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
 752                 return NT_STATUS_OK;
 753         }
 754
 755         status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
 756
 757         if (!NT_STATUS_IS_OK(status)) {
 758                 return status;
 759         }
 760
 761         if (psd->owner_sid==0) {
 762                 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
 763         }
 764         if (psd->group_sid==0) {
 765                 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
 766         }
 767         if (psd->sacl==0) {
 768                 security_info_sent &= ~SACL_SECURITY_INFORMATION;
 769         }
 770         if (psd->dacl==0) {
 771                 security_info_sent &= ~DACL_SECURITY_INFORMATION;
 772         }
 773
 774         if (fsp->fh->fd != -1) {
 775                 status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
 776         }
 777         else {
 778                 status = SMB_VFS_SET_NT_ACL(fsp, fsp->fsp_name,
 779                                             security_info_sent, psd);
 780         }
 781
 782         TALLOC_FREE(psd);
 783
 784         return status;
 785 }
 786
 787 /****************************************************************************
 788  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
 789 ****************************************************************************/
 790
 791 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
 792 {
 793         struct ea_list *ea_list_head = NULL;
 794         size_t offset = 0;
 795
 796         if (data_size < 4) {
 797                 return NULL;
 798         }
 799
 800         while (offset + 4 <= data_size) {
 801                 size_t next_offset = IVAL(pdata,offset);
 802                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
 803
 804                 if (!eal) {
 805                         return NULL;
 806                 }
 807
 808                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
 809                 if (next_offset == 0) {
 810                         break;
 811                 }
 812                 offset += next_offset;
 813         }
 814
 815         return ea_list_head;
 816 }
 817
 818 /****************************************************************************
 819  Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
 820 ****************************************************************************/
 821
 822 static void call_nt_transact_create(connection_struct *conn,
 823                                     struct smb_request *req,
 824                                     uint16 **ppsetup, uint32 setup_count,
 825                                     char **ppparams, uint32 parameter_count,
 826                                     char **ppdata, uint32 data_count,
 827                                     uint32 max_data_count)
 828 {
 829         char *fname = NULL;
 830         char *params = *ppparams;
 831         char *data = *ppdata;
 832         /* Breakout the oplock request bits so we can set the reply bits separately. */
 833         uint32 fattr=0;
 834         SMB_OFF_T file_len = 0;
 835         SMB_STRUCT_STAT sbuf;
 836         int info = 0;
 837         files_struct *fsp = NULL;
 838         char *p = NULL;
 839         uint32 flags;
 840         uint32 access_mask;
 841         uint32 file_attributes;
 842         uint32 share_access;
 843         uint32 create_disposition;
 844         uint32 create_options;
 845         uint32 sd_len;
 846         struct security_descriptor *sd = NULL;
 847         uint32 ea_len;
 848         uint16 root_dir_fid;
 849         struct timespec c_timespec;
 850         struct timespec a_timespec;
 851         struct timespec m_timespec;
 852         struct ea_list *ea_list = NULL;
 853         NTSTATUS status;
 854         size_t param_len;
 855         SMB_BIG_UINT allocation_size;
 856         int oplock_request;
 857         uint8_t oplock_granted;
 858         TALLOC_CTX *ctx = talloc_tos();
 859
 860         DEBUG(5,("call_nt_transact_create\n"));
 861
 862         /*
 863          * If it's an IPC, use the pipe handler.
 864          */
 865
 866         if (IS_IPC(conn)) {
 867                 if (lp_nt_pipe_support()) {
 868                         do_nt_transact_create_pipe(
 869                                 conn, req,
 870                                 ppsetup, setup_count,
 871                                 ppparams, parameter_count,
 872                                 ppdata, data_count);
 873                         return;
 874                 } else {
 875                         reply_doserror(req, ERRDOS, ERRnoaccess);
 876                         return;
 877                 }
 878         }
 879
 880         /*
 881          * Ensure minimum number of parameters sent.
 882          */
 883
 884         if(parameter_count < 54) {
 885                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
 886                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 887                 return;
 888         }
 889
 890         flags = IVAL(params,0);
 891         access_mask = IVAL(params,8);
 892         file_attributes = IVAL(params,20);
 893         share_access = IVAL(params,24);
 894         create_disposition = IVAL(params,28);
 895         create_options = IVAL(params,32);
 896         sd_len = IVAL(params,36);
 897         ea_len = IVAL(params,40);
 898         root_dir_fid = (uint16)IVAL(params,4);
 899         allocation_size = (SMB_BIG_UINT)IVAL(params,12);
 900 #ifdef LARGE_SMB_OFF_T
 901         allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
 902 #endif
 903
 904         /* Ensure the data_len is correct for the sd and ea values given. */
 905         if ((ea_len + sd_len > data_count)
 906             || (ea_len > data_count) || (sd_len > data_count)
 907             || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
 908                 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
 909                            "%u, data_count = %u\n", (unsigned int)ea_len,
 910                            (unsigned int)sd_len, (unsigned int)data_count));
 911                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 912                 return;
 913         }
 914
 915         if (sd_len) {
 916                 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
 917                            sd_len));
 918
 919                 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
 920                                              &sd);
 921                 if (!NT_STATUS_IS_OK(status)) {
 922                         DEBUG(10, ("call_nt_transact_create: "
 923                                    "unmarshall_sec_desc failed: %s\n",
 924                                    nt_errstr(status)));
 925                         reply_nterror(req, status);
 926                         return;
 927                 }
 928         }
 929
 930         if (ea_len) {
 931                 if (!lp_ea_support(SNUM(conn))) {
 932                         DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
 933                                    "EA's not supported.\n",
 934                                    (unsigned int)ea_len));
 935                         reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
 936                         return;
 937                 }
 938
 939                 if (ea_len < 10) {
 940                         DEBUG(10,("call_nt_transact_create - ea_len = %u - "
 941                                   "too small (should be more than 10)\n",
 942                                   (unsigned int)ea_len ));
 943                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 944                         return;
 945                 }
 946
 947                 /* We have already checked that ea_len <= data_count here. */
 948                 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
 949                                                ea_len);
 950                 if (ea_list == NULL) {
 951                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 952                         return;
 953                 }
 954         }
 955
 956         srvstr_get_path(ctx, params, req->flags2, &fname,
 957                         params+53, parameter_count-53,
 958                         STR_TERMINATE, &status);
 959         if (!NT_STATUS_IS_OK(status)) {
 960                 reply_nterror(req, status);
 961                 return;
 962         }
 963
 964         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 965         if (oplock_request) {
 966                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
 967                         ? BATCH_OPLOCK : 0;
 968         }
 969
 970         status = create_file(conn, req, root_dir_fid, fname,
 971                              access_mask, share_access, create_disposition,
 972                              create_options, file_attributes, oplock_request,
 973                              allocation_size, sd, ea_list, &fsp, &info, &sbuf);
 974
 975         if(!NT_STATUS_IS_OK(status)) {
 976                 if (open_was_deferred(req->mid)) {
 977                         /* We have re-scheduled this call, no error. */
 978                         return;
 979                 }
 980                 reply_openerror(req, status);
 981                 return;
 982         }
 983
 984         /*
 985          * If the caller set the extended oplock request bit
 986          * and we granted one (by whatever means) - set the
 987          * correct bit for extended oplock reply.
 988          */
 989
 990         if (oplock_request &&
 991             (lp_fake_oplocks(SNUM(conn))
 992              || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
 993
 994                 /*
 995                  * Exclusive oplock granted
 996                  */
 997
 998                 if (flags & REQUEST_BATCH_OPLOCK) {
 999                         oplock_granted = BATCH_OPLOCK_RETURN;
1000                 } else {
1001                         oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1002                 }
1003         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1004                 oplock_granted = LEVEL_II_OPLOCK_RETURN;
1005         } else {
1006                 oplock_granted = NO_OPLOCK_RETURN;
1007         }
1008
1009         file_len = sbuf.st_size;
1010         fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
1011         if (fattr == 0) {
1012                 fattr = FILE_ATTRIBUTE_NORMAL;
1013         }
1014
1015         /* Realloc the size of parameters and data we will return */
1016         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1017                 /* Extended response is 32 more byyes. */
1018                 param_len = 101;
1019         } else {
1020                 param_len = 69;
1021         }
1022         params = nttrans_realloc(ppparams, param_len);
1023         if(params == NULL) {
1024                 reply_doserror(req, ERRDOS, ERRnomem);
1025                 return;
1026         }
1027
1028         p = params;
1029         SCVAL(p, 0, oplock_granted);
1030
1031         p += 2;
1032         SSVAL(p,0,fsp->fnum);
1033         p += 2;
1034         if ((create_disposition == FILE_SUPERSEDE)
1035             && (info == FILE_WAS_OVERWRITTEN)) {
1036                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1037         } else {
1038                 SIVAL(p,0,info);
1039         }
1040         p += 8;
1041
1042         /* Create time. */
1043         c_timespec = get_create_timespec(
1044                 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
1045         a_timespec = get_atimespec(&sbuf);
1046         m_timespec = get_mtimespec(&sbuf);
1047
1048         if (lp_dos_filetime_resolution(SNUM(conn))) {
1049                 dos_filetime_timespec(&c_timespec);
1050                 dos_filetime_timespec(&a_timespec);
1051                 dos_filetime_timespec(&m_timespec);
1052         }
1053
1054         put_long_date_timespec(p, c_timespec); /* create time. */
1055         p += 8;
1056         put_long_date_timespec(p, a_timespec); /* access time */
1057         p += 8;
1058         put_long_date_timespec(p, m_timespec); /* write time */
1059         p += 8;
1060         put_long_date_timespec(p, m_timespec); /* change time */
1061         p += 8;
1062         SIVAL(p,0,fattr); /* File Attributes. */
1063         p += 4;
1064         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1065         p += 8;
1066         SOFF_T(p,0,file_len);
1067         p += 8;
1068         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1069                 SSVAL(p,2,0x7);
1070         }
1071         p += 4;
1072         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1073
1074         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1075                 uint32 perms = 0;
1076                 p += 25;
1077                 if (fsp->is_directory
1078                     || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
1079                         perms = FILE_GENERIC_ALL;
1080                 } else {
1081                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
1082                 }
1083                 SIVAL(p,0,perms);
1084         }
1085
1086         DEBUG(5,("call_nt_transact_create: open name = %s\n", fsp->fsp_name));
1087
1088         /* Send the required number of replies */
1089         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1090
1091         return;
1092 }
1093
1094 /****************************************************************************
1095  Reply to a NT CANCEL request.
1096  conn POINTER CAN BE NULL HERE !
1097 ****************************************************************************/
1098
1099 void reply_ntcancel(struct smb_request *req)
1100 {
1101         /*
1102          * Go through and cancel any pending change notifies.
1103          */
1104
1105         START_PROFILE(SMBntcancel);
1106         remove_pending_change_notify_requests_by_mid(req->mid);
1107         remove_pending_lock_requests_by_mid(req->mid);
1108         srv_cancel_sign_response(req->mid);
1109
1110         DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1111
1112         END_PROFILE(SMBntcancel);
1113         return;
1114 }
1115
1116 /****************************************************************************
1117  Copy a file.
1118 ****************************************************************************/
1119
1120 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1121                                 connection_struct *conn,
1122                                 struct smb_request *req,
1123                                 const char *oldname_in,
1124                                 const char *newname_in,
1125                                 uint32 attrs)
1126 {
1127         SMB_STRUCT_STAT sbuf1, sbuf2;
1128         char *oldname = NULL;
1129         char *newname = NULL;
1130         char *last_component_oldname = NULL;
1131         char *last_component_newname = NULL;
1132         files_struct *fsp1,*fsp2;
1133         uint32 fattr;
1134         int info;
1135         SMB_OFF_T ret=-1;
1136         NTSTATUS status = NT_STATUS_OK;
1137
1138         ZERO_STRUCT(sbuf1);
1139         ZERO_STRUCT(sbuf2);
1140
1141         if (!CAN_WRITE(conn)) {
1142                 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1143         }
1144
1145         status = unix_convert(ctx, conn, oldname_in, False, &oldname,
1146                         &last_component_oldname, &sbuf1);
1147         if (!NT_STATUS_IS_OK(status)) {
1148                 return status;
1149         }
1150
1151         status = check_name(conn, oldname);
1152         if (!NT_STATUS_IS_OK(status)) {
1153                 return status;
1154         }
1155
1156         /* Source must already exist. */
1157         if (!VALID_STAT(sbuf1)) {
1158                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1159         }
1160         /* Ensure attributes match. */
1161         fattr = dos_mode(conn,oldname,&sbuf1);
1162         if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1163                 return NT_STATUS_NO_SUCH_FILE;
1164         }
1165
1166         status = unix_convert(ctx, conn, newname_in, False, &newname,
1167                         &last_component_newname, &sbuf2);
1168         if (!NT_STATUS_IS_OK(status)) {
1169                 return status;
1170         }
1171
1172         status = check_name(conn, newname);
1173         if (!NT_STATUS_IS_OK(status)) {
1174                 return status;
1175         }
1176
1177         /* Disallow if newname already exists. */
1178         if (VALID_STAT(sbuf2)) {
1179                 return NT_STATUS_OBJECT_NAME_COLLISION;
1180         }
1181
1182         /* No links from a directory. */
1183         if (S_ISDIR(sbuf1.st_mode)) {
1184                 return NT_STATUS_FILE_IS_A_DIRECTORY;
1185         }
1186
1187         /* Ensure this is within the share. */
1188         status = check_reduced_name(conn, oldname);
1189         if (!NT_STATUS_IS_OK(status)) {
1190                 return status;
1191         }
1192
1193         DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1194                                 oldname, newname));
1195
1196         status = open_file_ntcreate(conn, req, oldname, &sbuf1,
1197                         FILE_READ_DATA, /* Read-only. */
1198                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1199                         FILE_OPEN,
1200                         0, /* No create options. */
1201                         FILE_ATTRIBUTE_NORMAL,
1202                         NO_OPLOCK,
1203                         &info, &fsp1);
1204
1205         if (!NT_STATUS_IS_OK(status)) {
1206                 return status;
1207         }
1208
1209         status = open_file_ntcreate(conn, req, newname, &sbuf2,
1210                         FILE_WRITE_DATA, /* Read-only. */
1211                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1212                         FILE_CREATE,
1213                         0, /* No create options. */
1214                         fattr,
1215                         NO_OPLOCK,
1216                         &info, &fsp2);
1217
1218         if (!NT_STATUS_IS_OK(status)) {
1219                 close_file(fsp1,ERROR_CLOSE);
1220                 return status;
1221         }
1222
1223         if (sbuf1.st_size) {
1224                 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1225         }
1226
1227         /*
1228          * As we are opening fsp1 read-only we only expect
1229          * an error on close on fsp2 if we are out of space.
1230          * Thus we don't look at the error return from the
1231          * close of fsp1.
1232          */
1233         close_file(fsp1,NORMAL_CLOSE);
1234
1235         /* Ensure the modtime is set correctly on the destination file. */
1236         set_close_write_time(fsp2, get_mtimespec(&sbuf1));
1237
1238         status = close_file(fsp2,NORMAL_CLOSE);
1239
1240         /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1241            creates the file. This isn't the correct thing to do in the copy
1242            case. JRA */
1243         file_set_dosmode(conn, newname, fattr, &sbuf2,
1244                          parent_dirname(newname),false);
1245
1246         if (ret < (SMB_OFF_T)sbuf1.st_size) {
1247                 return NT_STATUS_DISK_FULL;
1248         }
1249
1250         if (!NT_STATUS_IS_OK(status)) {
1251                 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1252                         nt_errstr(status), oldname, newname));
1253         }
1254         return status;
1255 }
1256
1257 /****************************************************************************
1258  Reply to a NT rename request.
1259 ****************************************************************************/
1260
1261 void reply_ntrename(struct smb_request *req)
1262 {
1263         connection_struct *conn = req->conn;
1264         char *oldname = NULL;
1265         char *newname = NULL;
1266         char *p;
1267         NTSTATUS status;
1268         bool src_has_wcard = False;
1269         bool dest_has_wcard = False;
1270         uint32 attrs;
1271         uint16 rename_type;
1272         TALLOC_CTX *ctx = talloc_tos();
1273
1274         START_PROFILE(SMBntrename);
1275
1276         if (req->wct < 4) {
1277                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1278                 END_PROFILE(SMBntrename);
1279                 return;
1280         }
1281
1282         attrs = SVAL(req->inbuf,smb_vwv0);
1283         rename_type = SVAL(req->inbuf,smb_vwv1);
1284
1285         p = smb_buf(req->inbuf) + 1;
1286         p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &oldname, p,
1287                                    0, STR_TERMINATE, &status,
1288                                    &src_has_wcard);
1289         if (!NT_STATUS_IS_OK(status)) {
1290                 reply_nterror(req, status);
1291                 END_PROFILE(SMBntrename);
1292                 return;
1293         }
1294
1295         if( is_ntfs_stream_name(oldname)) {
1296                 /* Can't rename a stream. */
1297                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1298                 END_PROFILE(SMBntrename);
1299                 return;
1300         }
1301
1302         if (ms_has_wild(oldname)) {
1303                 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1304                 END_PROFILE(SMBntrename);
1305                 return;
1306         }
1307
1308         p++;
1309         p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &newname, p,
1310                                    0, STR_TERMINATE, &status,
1311                                    &dest_has_wcard);
1312         if (!NT_STATUS_IS_OK(status)) {
1313                 reply_nterror(req, status);
1314                 END_PROFILE(SMBntrename);
1315                 return;
1316         }
1317
1318         status = resolve_dfspath(ctx, conn,
1319                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
1320                                 oldname,
1321                                 &oldname);
1322         if (!NT_STATUS_IS_OK(status)) {
1323                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1324                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1325                                         ERRSRV, ERRbadpath);
1326                         END_PROFILE(SMBntrename);
1327                         return;
1328                 }
1329                 reply_nterror(req, status);
1330                 END_PROFILE(SMBntrename);
1331                 return;
1332         }
1333
1334         status = resolve_dfspath(ctx, conn,
1335                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
1336                                 newname,
1337                                 &newname);
1338         if (!NT_STATUS_IS_OK(status)) {
1339                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1340                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1341                                         ERRSRV, ERRbadpath);
1342                         END_PROFILE(SMBntrename);
1343                         return;
1344                 }
1345                 reply_nterror(req, status);
1346                 END_PROFILE(SMBntrename);
1347                 return;
1348         }
1349
1350         DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1351
1352         switch(rename_type) {
1353                 case RENAME_FLAG_RENAME:
1354                         status = rename_internals(ctx, conn, req, oldname,
1355                                         newname, attrs, False, src_has_wcard,
1356                                         dest_has_wcard, DELETE_ACCESS);
1357                         break;
1358                 case RENAME_FLAG_HARD_LINK:
1359                         if (src_has_wcard || dest_has_wcard) {
1360                                 /* No wildcards. */
1361                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1362                         } else {
1363                                 status = hardlink_internals(ctx,
1364                                                 conn,
1365                                                 oldname,
1366                                                 newname);
1367                         }
1368                         break;
1369                 case RENAME_FLAG_COPY:
1370                         if (src_has_wcard || dest_has_wcard) {
1371                                 /* No wildcards. */
1372                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1373                         } else {
1374                                 status = copy_internals(ctx, conn, req, oldname,
1375                                                         newname, attrs);
1376                         }
1377                         break;
1378                 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1379                         status = NT_STATUS_INVALID_PARAMETER;
1380                         break;
1381                 default:
1382                         status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1383                         break;
1384         }
1385
1386         if (!NT_STATUS_IS_OK(status)) {
1387                 if (open_was_deferred(req->mid)) {
1388                         /* We have re-scheduled this call. */
1389                         END_PROFILE(SMBntrename);
1390                         return;
1391                 }
1392
1393                 reply_nterror(req, status);
1394                 END_PROFILE(SMBntrename);
1395                 return;
1396         }
1397
1398         reply_outbuf(req, 0, 0);
1399
1400         END_PROFILE(SMBntrename);
1401         return;
1402 }
1403
1404 /****************************************************************************
1405  Reply to a notify change - queue the request and
1406  don't allow a directory to be opened.
1407 ****************************************************************************/
1408
1409 static void call_nt_transact_notify_change(connection_struct *conn,
1410                                            struct smb_request *req,
1411                                            uint16 **ppsetup,
1412                                            uint32 setup_count,
1413                                            char **ppparams,
1414                                            uint32 parameter_count,
1415                                            char **ppdata, uint32 data_count,
1416                                            uint32 max_data_count,
1417                                            uint32 max_param_count)
1418 {
1419         uint16 *setup = *ppsetup;
1420         files_struct *fsp;
1421         uint32 filter;
1422         NTSTATUS status;
1423         bool recursive;
1424
1425         if(setup_count < 6) {
1426                 reply_doserror(req, ERRDOS, ERRbadfunc);
1427                 return;
1428         }
1429
1430         fsp = file_fsp(SVAL(setup,4));
1431         filter = IVAL(setup, 0);
1432         recursive = (SVAL(setup, 6) != 0) ? True : False;
1433
1434         DEBUG(3,("call_nt_transact_notify_change\n"));
1435
1436         if(!fsp) {
1437                 reply_doserror(req, ERRDOS, ERRbadfid);
1438                 return;
1439         }
1440
1441         {
1442                 char *filter_string;
1443
1444                 if (!(filter_string = notify_filter_string(NULL, filter))) {
1445                         reply_nterror(req,NT_STATUS_NO_MEMORY);
1446                         return;
1447                 }
1448
1449                 DEBUG(3,("call_nt_transact_notify_change: notify change "
1450                          "called on %s, filter = %s, recursive = %d\n",
1451                          fsp->fsp_name, filter_string, recursive));
1452
1453                 TALLOC_FREE(filter_string);
1454         }
1455
1456         if((!fsp->is_directory) || (conn != fsp->conn)) {
1457                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1458                 return;
1459         }
1460
1461         if (fsp->notify == NULL) {
1462
1463                 status = change_notify_create(fsp, filter, recursive);
1464
1465                 if (!NT_STATUS_IS_OK(status)) {
1466                         DEBUG(10, ("change_notify_create returned %s\n",
1467                                    nt_errstr(status)));
1468                         reply_nterror(req, status);
1469                         return;
1470                 }
1471         }
1472
1473         if (fsp->notify->num_changes != 0) {
1474
1475                 /*
1476                  * We've got changes pending, respond immediately
1477                  */
1478
1479                 /*
1480                  * TODO: write a torture test to check the filtering behaviour
1481                  * here.
1482                  */
1483
1484                 change_notify_reply(fsp->conn, req->inbuf, max_param_count, fsp->notify);
1485
1486                 /*
1487                  * change_notify_reply() above has independently sent its
1488                  * results
1489                  */
1490                 return;
1491         }
1492
1493         /*
1494          * No changes pending, queue the request
1495          */
1496
1497         status = change_notify_add_request(req,
1498                         max_param_count,
1499                         filter,
1500                         recursive, fsp);
1501         if (!NT_STATUS_IS_OK(status)) {
1502                 reply_nterror(req, status);
1503         }
1504         return;
1505 }
1506
1507 /****************************************************************************
1508  Reply to an NT transact rename command.
1509 ****************************************************************************/
1510
1511 static void call_nt_transact_rename(connection_struct *conn,
1512                                     struct smb_request *req,
1513                                     uint16 **ppsetup, uint32 setup_count,
1514                                     char **ppparams, uint32 parameter_count,
1515                                     char **ppdata, uint32 data_count,
1516                                     uint32 max_data_count)
1517 {
1518         char *params = *ppparams;
1519         char *new_name = NULL;
1520         files_struct *fsp = NULL;
1521         bool dest_has_wcard = False;
1522         NTSTATUS status;
1523         TALLOC_CTX *ctx = talloc_tos();
1524
1525         if(parameter_count < 5) {
1526                 reply_doserror(req, ERRDOS, ERRbadfunc);
1527                 return;
1528         }
1529
1530         fsp = file_fsp(SVAL(params, 0));
1531         if (!check_fsp(conn, req, fsp, &current_user)) {
1532                 return;
1533         }
1534         srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1535                               parameter_count - 4,
1536                               STR_TERMINATE, &status, &dest_has_wcard);
1537         if (!NT_STATUS_IS_OK(status)) {
1538                 reply_nterror(req, status);
1539                 return;
1540         }
1541
1542         /*
1543          * W2K3 ignores this request as the RAW-RENAME test
1544          * demonstrates, so we do.
1545          */
1546         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1547
1548         DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1549                  fsp->fsp_name, new_name));
1550
1551         return;
1552 }
1553
1554 /******************************************************************************
1555  Fake up a completely empty SD.
1556 *******************************************************************************/
1557
1558 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1559 {
1560         size_t sd_size;
1561
1562         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1563         if(!*ppsd) {
1564                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1565                 return NT_STATUS_NO_MEMORY;
1566         }
1567
1568         return NT_STATUS_OK;
1569 }
1570
1571 /****************************************************************************
1572  Reply to query a security descriptor.
1573 ****************************************************************************/
1574
1575 static void call_nt_transact_query_security_desc(connection_struct *conn,
1576                                                  struct smb_request *req,
1577                                                  uint16 **ppsetup,
1578                                                  uint32 setup_count,
1579                                                  char **ppparams,
1580                                                  uint32 parameter_count,
1581                                                  char **ppdata,
1582                                                  uint32 data_count,
1583                                                  uint32 max_data_count)
1584 {
1585         char *params = *ppparams;
1586         char *data = *ppdata;
1587         SEC_DESC *psd = NULL;
1588         size_t sd_size;
1589         uint32 security_info_wanted;
1590         files_struct *fsp = NULL;
1591         NTSTATUS status;
1592         DATA_BLOB blob;
1593
1594         if(parameter_count < 8) {
1595                 reply_doserror(req, ERRDOS, ERRbadfunc);
1596                 return;
1597         }
1598
1599         fsp = file_fsp(SVAL(params,0));
1600         if(!fsp) {
1601                 reply_doserror(req, ERRDOS, ERRbadfid);
1602                 return;
1603         }
1604
1605         security_info_wanted = IVAL(params,4);
1606
1607         DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
1608                         (unsigned int)security_info_wanted ));
1609
1610         params = nttrans_realloc(ppparams, 4);
1611         if(params == NULL) {
1612                 reply_doserror(req, ERRDOS, ERRnomem);
1613                 return;
1614         }
1615
1616         /*
1617          * Get the permissions to return.
1618          */
1619
1620         if (!lp_nt_acl_support(SNUM(conn))) {
1621                 status = get_null_nt_acl(talloc_tos(), &psd);
1622         } else {
1623                 if (fsp->fh->fd != -1) {
1624                         status = SMB_VFS_FGET_NT_ACL(
1625                                 fsp, security_info_wanted, &psd);
1626                 }
1627                 else {
1628                         status = SMB_VFS_GET_NT_ACL(
1629                                 conn, fsp->fsp_name, security_info_wanted, &psd);
1630                 }
1631         }
1632
1633         if (!NT_STATUS_IS_OK(status)) {
1634                 reply_nterror(req, status);
1635                 return;
1636         }
1637
1638         sd_size = ndr_size_security_descriptor(psd, 0);
1639
1640         DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1641
1642         SIVAL(params,0,(uint32)sd_size);
1643
1644         if (max_data_count < sd_size) {
1645                 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1646                                 params, 4, *ppdata, 0);
1647                 return;
1648         }
1649
1650         /*
1651          * Allocate the data we will point this at.
1652          */
1653
1654         data = nttrans_realloc(ppdata, sd_size);
1655         if(data == NULL) {
1656                 reply_doserror(req, ERRDOS, ERRnomem);
1657                 return;
1658         }
1659
1660         status = marshall_sec_desc(talloc_tos(), psd,
1661                                    &blob.data, &blob.length);
1662
1663         if (!NT_STATUS_IS_OK(status)) {
1664                 reply_nterror(req, status);
1665                 return;
1666         }
1667
1668         SMB_ASSERT(sd_size == blob.length);
1669         memcpy(data, blob.data, sd_size);
1670
1671         send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1672
1673         return;
1674 }
1675
1676 /****************************************************************************
1677  Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1678 ****************************************************************************/
1679
1680 static void call_nt_transact_set_security_desc(connection_struct *conn,
1681                                                struct smb_request *req,
1682                                                uint16 **ppsetup,
1683                                                uint32 setup_count,
1684                                                char **ppparams,
1685                                                uint32 parameter_count,
1686                                                char **ppdata,
1687                                                uint32 data_count,
1688                                                uint32 max_data_count)
1689 {
1690         char *params= *ppparams;
1691         char *data = *ppdata;
1692         files_struct *fsp = NULL;
1693         uint32 security_info_sent = 0;
1694         NTSTATUS status;
1695
1696         if(parameter_count < 8) {
1697                 reply_doserror(req, ERRDOS, ERRbadfunc);
1698                 return;
1699         }
1700
1701         if((fsp = file_fsp(SVAL(params,0))) == NULL) {
1702                 reply_doserror(req, ERRDOS, ERRbadfid);
1703                 return;
1704         }
1705
1706         if(!lp_nt_acl_support(SNUM(conn))) {
1707                 goto done;
1708         }
1709
1710         security_info_sent = IVAL(params,4);
1711
1712         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
1713                 (unsigned int)security_info_sent ));
1714
1715         if (data_count == 0) {
1716                 reply_doserror(req, ERRDOS, ERRnoaccess);
1717                 return;
1718         }
1719
1720         status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
1721
1722         if (!NT_STATUS_IS_OK(status)) {
1723                 reply_nterror(req, status);
1724                 return;
1725         }
1726
1727   done:
1728         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1729         return;
1730 }
1731
1732 /****************************************************************************
1733  Reply to NT IOCTL
1734 ****************************************************************************/
1735
1736 static void call_nt_transact_ioctl(connection_struct *conn,
1737                                    struct smb_request *req,
1738                                    uint16 **ppsetup, uint32 setup_count,
1739                                    char **ppparams, uint32 parameter_count,
1740                                    char **ppdata, uint32 data_count,
1741                                    uint32 max_data_count)
1742 {
1743         uint32 function;
1744         uint16 fidnum;
1745         files_struct *fsp;
1746         uint8 isFSctl;
1747         uint8 compfilter;
1748         static bool logged_message;
1749         char *pdata = *ppdata;
1750
1751         if (setup_count != 8) {
1752                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1753                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1754                 return;
1755         }
1756
1757         function = IVAL(*ppsetup, 0);
1758         fidnum = SVAL(*ppsetup, 4);
1759         isFSctl = CVAL(*ppsetup, 6);
1760         compfilter = CVAL(*ppsetup, 7);
1761
1762         DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
1763                  function, fidnum, isFSctl, compfilter));
1764
1765         fsp=file_fsp(fidnum);
1766         /* this check is done in each implemented function case for now
1767            because I don't want to break anything... --metze
1768         FSP_BELONGS_CONN(fsp,conn);*/
1769
1770         switch (function) {
1771         case FSCTL_SET_SPARSE:
1772                 /* pretend this succeeded - tho strictly we should
1773                    mark the file sparse (if the local fs supports it)
1774                    so we can know if we need to pre-allocate or not */
1775
1776                 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
1777                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1778                 return;
1779
1780         case FSCTL_CREATE_OR_GET_OBJECT_ID:
1781         {
1782                 unsigned char objid[16];
1783
1784                 /* This should return the object-id on this file.
1785                  * I think I'll make this be the inode+dev. JRA.
1786                  */
1787
1788                 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
1789
1790                 if (!fsp_belongs_conn(conn, req, fsp, &current_user)) {
1791                         return;
1792                 }
1793
1794                 data_count = 64;
1795                 pdata = nttrans_realloc(ppdata, data_count);
1796                 if (pdata == NULL) {
1797                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1798                         return;
1799                 }
1800                 push_file_id_16(pdata, &fsp->file_id);
1801                 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
1802                 push_file_id_16(pdata+32, &fsp->file_id);
1803                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1804                                 pdata, data_count);
1805                 return;
1806         }
1807
1808         case FSCTL_GET_REPARSE_POINT:
1809                 /* pretend this fail - my winXP does it like this
1810                  * --metze
1811                  */
1812
1813                 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1814                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1815                 return;
1816
1817         case FSCTL_SET_REPARSE_POINT:
1818                 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
1819                  * --metze
1820                  */
1821
1822                 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1823                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1824                 return;
1825
1826         case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
1827         {
1828                 /*
1829                  * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
1830                  * and return their volume names.  If max_data_count is 16, then it is just
1831                  * asking for the number of volumes and length of the combined names.
1832                  *
1833                  * pdata is the data allocated by our caller, but that uses
1834                  * total_data_count (which is 0 in our case) rather than max_data_count.
1835                  * Allocate the correct amount and return the pointer to let
1836                  * it be deallocated when we return.
1837                  */
1838                 SHADOW_COPY_DATA *shadow_data = NULL;
1839                 TALLOC_CTX *shadow_mem_ctx = NULL;
1840                 bool labels = False;
1841                 uint32 labels_data_count = 0;
1842                 uint32 i;
1843                 char *cur_pdata;
1844
1845                 if (!fsp_belongs_conn(conn, req, fsp, &current_user)) {
1846                         return;
1847                 }
1848
1849                 if (max_data_count < 16) {
1850                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
1851                                 max_data_count));
1852                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1853                         return;
1854                 }
1855
1856                 if (max_data_count > 16) {
1857                         labels = True;
1858                 }
1859
1860                 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
1861                 if (shadow_mem_ctx == NULL) {
1862                         DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
1863                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1864                         return;
1865                 }
1866
1867                 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
1868                 if (shadow_data == NULL) {
1869                         DEBUG(0,("TALLOC_ZERO() failed!\n"));
1870                         talloc_destroy(shadow_mem_ctx);
1871                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1872                         return;
1873                 }
1874
1875                 shadow_data->mem_ctx = shadow_mem_ctx;
1876
1877                 /*
1878                  * Call the VFS routine to actually do the work.
1879                  */
1880                 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
1881                         talloc_destroy(shadow_data->mem_ctx);
1882                         if (errno == ENOSYS) {
1883                                 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
1884                                         conn->connectpath));
1885                                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1886                                 return;
1887                         } else {
1888                                 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
1889                                         conn->connectpath));
1890                                 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
1891                                 return;
1892                         }
1893                 }
1894
1895                 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
1896
1897                 if (!labels) {
1898                         data_count = 16;
1899                 } else {
1900                         data_count = 12+labels_data_count+4;
1901                 }
1902
1903                 if (max_data_count<data_count) {
1904                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
1905                                 max_data_count,data_count));
1906                         talloc_destroy(shadow_data->mem_ctx);
1907                         reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
1908                         return;
1909                 }
1910
1911                 pdata = nttrans_realloc(ppdata, data_count);
1912                 if (pdata == NULL) {
1913                         talloc_destroy(shadow_data->mem_ctx);
1914                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1915                         return;
1916                 }
1917
1918                 cur_pdata = pdata;
1919
1920                 /* num_volumes 4 bytes */
1921                 SIVAL(pdata,0,shadow_data->num_volumes);
1922
1923                 if (labels) {
1924                         /* num_labels 4 bytes */
1925                         SIVAL(pdata,4,shadow_data->num_volumes);
1926                 }
1927
1928                 /* needed_data_count 4 bytes */
1929                 SIVAL(pdata,8,labels_data_count);
1930
1931                 cur_pdata+=12;
1932
1933                 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
1934                         shadow_data->num_volumes,fsp->fsp_name));
1935                 if (labels && shadow_data->labels) {
1936                         for (i=0;i<shadow_data->num_volumes;i++) {
1937                                 srvstr_push(pdata, req->flags2,
1938                                             cur_pdata, shadow_data->labels[i],
1939                                             2*sizeof(SHADOW_COPY_LABEL),
1940                                             STR_UNICODE|STR_TERMINATE);
1941                                 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
1942                                 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
1943                         }
1944                 }
1945
1946                 talloc_destroy(shadow_data->mem_ctx);
1947
1948                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1949                                 pdata, data_count);
1950
1951                 return;
1952         }
1953
1954         case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
1955         {
1956                 /* pretend this succeeded -
1957                  *
1958                  * we have to send back a list with all files owned by this SID
1959                  *
1960                  * but I have to check that --metze
1961                  */
1962                 DOM_SID sid;
1963                 uid_t uid;
1964                 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
1965
1966                 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
1967
1968                 if (!fsp_belongs_conn(conn, req, fsp, &current_user)) {
1969                         return;
1970                 }
1971
1972                 /* unknown 4 bytes: this is not the length of the sid :-(  */
1973                 /*unknown = IVAL(pdata,0);*/
1974
1975                 sid_parse(pdata+4,sid_len,&sid);
1976                 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
1977
1978                 if (!sid_to_uid(&sid, &uid)) {
1979                         DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
1980                                  sid_string_dbg(&sid),
1981                                  (unsigned long)sid_len));
1982                         uid = (-1);
1983                 }
1984
1985                 /* we can take a look at the find source :-)
1986                  *
1987                  * find ./ -uid $uid  -name '*'   is what we need here
1988                  *
1989                  *
1990                  * and send 4bytes len and then NULL terminated unicode strings
1991                  * for each file
1992                  *
1993                  * but I don't know how to deal with the paged results
1994                  * (maybe we can hang the result anywhere in the fsp struct)
1995                  *
1996                  * we don't send all files at once
1997                  * and at the next we should *not* start from the beginning,
1998                  * so we have to cache the result
1999                  *
2000                  * --metze
2001                  */
2002
2003                 /* this works for now... */
2004                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2005                 return;
2006         }
2007         default:
2008                 if (!logged_message) {
2009                         logged_message = True; /* Only print this once... */
2010                         DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2011                                  function));
2012                 }
2013         }
2014
2015         reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2016 }
2017
2018
2019 #ifdef HAVE_SYS_QUOTAS
2020 /****************************************************************************
2021  Reply to get user quota
2022 ****************************************************************************/
2023
2024 static void call_nt_transact_get_user_quota(connection_struct *conn,
2025                                             struct smb_request *req,
2026                                             uint16 **ppsetup,
2027                                             uint32 setup_count,
2028                                             char **ppparams,
2029                                             uint32 parameter_count,
2030                                             char **ppdata,
2031                                             uint32 data_count,
2032                                             uint32 max_data_count)
2033 {
2034         NTSTATUS nt_status = NT_STATUS_OK;
2035         char *params = *ppparams;
2036         char *pdata = *ppdata;
2037         char *entry;
2038         int data_len=0,param_len=0;
2039         int qt_len=0;
2040         int entry_len = 0;
2041         files_struct *fsp = NULL;
2042         uint16 level = 0;
2043         size_t sid_len;
2044         DOM_SID sid;
2045         bool start_enum = True;
2046         SMB_NTQUOTA_STRUCT qt;
2047         SMB_NTQUOTA_LIST *tmp_list;
2048         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2049
2050         ZERO_STRUCT(qt);
2051
2052         /* access check */
2053         if (current_user.ut.uid != 0) {
2054                 DEBUG(1,("get_user_quota: access_denied service [%s] user [%s]\n",
2055                         lp_servicename(SNUM(conn)),conn->user));
2056                 reply_doserror(req, ERRDOS, ERRnoaccess);
2057                 return;
2058         }
2059
2060         /*
2061          * Ensure minimum number of parameters sent.
2062          */
2063
2064         if (parameter_count < 4) {
2065                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2066                 reply_doserror(req, ERRDOS, ERRinvalidparam);
2067                 return;
2068         }
2069
2070         /* maybe we can check the quota_fnum */
2071         fsp = file_fsp(SVAL(params,0));
2072         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2073                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2074                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2075                 return;
2076         }
2077
2078         /* the NULL pointer checking for fsp->fake_file_handle->pd
2079          * is done by CHECK_NTQUOTA_HANDLE_OK()
2080          */
2081         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
2082
2083         level = SVAL(params,2);
2084
2085         /* unknown 12 bytes leading in params */
2086
2087         switch (level) {
2088                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2089                         /* seems that we should continue with the enum here --metze */
2090
2091                         if (qt_handle->quota_list!=NULL &&
2092                             qt_handle->tmp_list==NULL) {
2093
2094                                 /* free the list */
2095                                 free_ntquota_list(&(qt_handle->quota_list));
2096
2097                                 /* Realloc the size of parameters and data we will return */
2098                                 param_len = 4;
2099                                 params = nttrans_realloc(ppparams, param_len);
2100                                 if(params == NULL) {
2101                                         reply_doserror(req, ERRDOS, ERRnomem);
2102                                         return;
2103                                 }
2104
2105                                 data_len = 0;
2106                                 SIVAL(params,0,data_len);
2107
2108                                 break;
2109                         }
2110
2111                         start_enum = False;
2112
2113                 case TRANSACT_GET_USER_QUOTA_LIST_START:
2114
2115                         if (qt_handle->quota_list==NULL &&
2116                                 qt_handle->tmp_list==NULL) {
2117                                 start_enum = True;
2118                         }
2119
2120                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2121                                 reply_doserror(req, ERRSRV, ERRerror);
2122                                 return;
2123                         }
2124
2125                         /* Realloc the size of parameters and data we will return */
2126                         param_len = 4;
2127                         params = nttrans_realloc(ppparams, param_len);
2128                         if(params == NULL) {
2129                                 reply_doserror(req, ERRDOS, ERRnomem);
2130                                 return;
2131                         }
2132
2133                         /* we should not trust the value in max_data_count*/
2134                         max_data_count = MIN(max_data_count,2048);
2135
2136                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2137                         if(pdata == NULL) {
2138                                 reply_doserror(req, ERRDOS, ERRnomem);
2139                                 return;
2140                         }
2141
2142                         entry = pdata;
2143
2144                         /* set params Size of returned Quota Data 4 bytes*/
2145                         /* but set it later when we know it */
2146
2147                         /* for each entry push the data */
2148
2149                         if (start_enum) {
2150                                 qt_handle->tmp_list = qt_handle->quota_list;
2151                         }
2152
2153                         tmp_list = qt_handle->tmp_list;
2154
2155                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2156                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2157
2158                                 sid_len = ndr_size_dom_sid(
2159                                         &tmp_list->quotas->sid, 0);
2160                                 entry_len = 40 + sid_len;
2161
2162                                 /* nextoffset entry 4 bytes */
2163                                 SIVAL(entry,0,entry_len);
2164
2165                                 /* then the len of the SID 4 bytes */
2166                                 SIVAL(entry,4,sid_len);
2167
2168                                 /* unknown data 8 bytes SMB_BIG_UINT */
2169                                 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2170
2171                                 /* the used disk space 8 bytes SMB_BIG_UINT */
2172                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2173
2174                                 /* the soft quotas 8 bytes SMB_BIG_UINT */
2175                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2176
2177                                 /* the hard quotas 8 bytes SMB_BIG_UINT */
2178                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2179
2180                                 /* and now the SID */
2181                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2182                         }
2183
2184                         qt_handle->tmp_list = tmp_list;
2185
2186                         /* overwrite the offset of the last entry */
2187                         SIVAL(entry-entry_len,0,0);
2188
2189                         data_len = 4+qt_len;
2190                         /* overwrite the params quota_data_len */
2191                         SIVAL(params,0,data_len);
2192
2193                         break;
2194
2195                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2196
2197                         /* unknown 4 bytes IVAL(pdata,0) */
2198
2199                         if (data_count < 8) {
2200                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2201                                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2202                                 return;
2203                         }
2204
2205                         sid_len = IVAL(pdata,4);
2206                         /* Ensure this is less than 1mb. */
2207                         if (sid_len > (1024*1024)) {
2208                                 reply_doserror(req, ERRDOS, ERRnomem);
2209                                 return;
2210                         }
2211
2212                         if (data_count < 8+sid_len) {
2213                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2214                                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2215                                 return;
2216                         }
2217
2218                         data_len = 4+40+sid_len;
2219
2220                         if (max_data_count < data_len) {
2221                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2222                                         max_data_count, data_len));
2223                                 param_len = 4;
2224                                 SIVAL(params,0,data_len);
2225                                 data_len = 0;
2226                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2227                                 break;
2228                         }
2229
2230                         sid_parse(pdata+8,sid_len,&sid);
2231
2232                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2233                                 ZERO_STRUCT(qt);
2234                                 /*
2235                                  * we have to return zero's in all fields
2236                                  * instead of returning an error here
2237                                  * --metze
2238                                  */
2239                         }
2240
2241                         /* Realloc the size of parameters and data we will return */
2242                         param_len = 4;
2243                         params = nttrans_realloc(ppparams, param_len);
2244                         if(params == NULL) {
2245                                 reply_doserror(req, ERRDOS, ERRnomem);
2246                                 return;
2247                         }
2248
2249                         pdata = nttrans_realloc(ppdata, data_len);
2250                         if(pdata == NULL) {
2251                                 reply_doserror(req, ERRDOS, ERRnomem);
2252                                 return;
2253                         }
2254
2255                         entry = pdata;
2256
2257                         /* set params Size of returned Quota Data 4 bytes*/
2258                         SIVAL(params,0,data_len);
2259
2260                         /* nextoffset entry 4 bytes */
2261                         SIVAL(entry,0,0);
2262
2263                         /* then the len of the SID 4 bytes */
2264                         SIVAL(entry,4,sid_len);
2265
2266                         /* unknown data 8 bytes SMB_BIG_UINT */
2267                         SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
2268
2269                         /* the used disk space 8 bytes SMB_BIG_UINT */
2270                         SBIG_UINT(entry,16,qt.usedspace);
2271
2272                         /* the soft quotas 8 bytes SMB_BIG_UINT */
2273                         SBIG_UINT(entry,24,qt.softlim);
2274
2275                         /* the hard quotas 8 bytes SMB_BIG_UINT */
2276                         SBIG_UINT(entry,32,qt.hardlim);
2277
2278                         /* and now the SID */
2279                         sid_linearize(entry+40, sid_len, &sid);
2280
2281                         break;
2282
2283                 default:
2284                         DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2285                         reply_doserror(req, ERRSRV, ERRerror);
2286                         return;
2287                         break;
2288         }
2289
2290         send_nt_replies(conn, req, nt_status, params, param_len,
2291                         pdata, data_len);
2292 }
2293
2294 /****************************************************************************
2295  Reply to set user quota
2296 ****************************************************************************/
2297
2298 static void call_nt_transact_set_user_quota(connection_struct *conn,
2299                                             struct smb_request *req,
2300                                             uint16 **ppsetup,
2301                                             uint32 setup_count,
2302                                             char **ppparams,
2303                                             uint32 parameter_count,
2304                                             char **ppdata,
2305                                             uint32 data_count,
2306                                             uint32 max_data_count)
2307 {
2308         char *params = *ppparams;
2309         char *pdata = *ppdata;
2310         int data_len=0,param_len=0;
2311         SMB_NTQUOTA_STRUCT qt;
2312         size_t sid_len;
2313         DOM_SID sid;
2314         files_struct *fsp = NULL;
2315
2316         ZERO_STRUCT(qt);
2317
2318         /* access check */
2319         if (current_user.ut.uid != 0) {
2320                 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
2321                         lp_servicename(SNUM(conn)),conn->user));
2322                 reply_doserror(req, ERRDOS, ERRnoaccess);
2323                 return;
2324         }
2325
2326         /*
2327          * Ensure minimum number of parameters sent.
2328          */
2329
2330         if (parameter_count < 2) {
2331                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2332                 reply_doserror(req, ERRDOS, ERRinvalidparam);
2333                 return;
2334         }
2335
2336         /* maybe we can check the quota_fnum */
2337         fsp = file_fsp(SVAL(params,0));
2338         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2339                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2340                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2341                 return;
2342         }
2343
2344         if (data_count < 40) {
2345                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2346                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2347                 return;
2348         }
2349
2350         /* offset to next quota record.
2351          * 4 bytes IVAL(pdata,0)
2352          * unused here...
2353          */
2354
2355         /* sid len */
2356         sid_len = IVAL(pdata,4);
2357
2358         if (data_count < 40+sid_len) {
2359                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2360                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2361                 return;
2362         }
2363
2364         /* unknown 8 bytes in pdata
2365          * maybe its the change time in NTTIME
2366          */
2367
2368         /* the used space 8 bytes (SMB_BIG_UINT)*/
2369         qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
2370 #ifdef LARGE_SMB_OFF_T
2371         qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
2372 #else /* LARGE_SMB_OFF_T */
2373         if ((IVAL(pdata,20) != 0)&&
2374                 ((qt.usedspace != 0xFFFFFFFF)||
2375                 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2376                 /* more than 32 bits? */
2377                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2378                 return;
2379         }
2380 #endif /* LARGE_SMB_OFF_T */
2381
2382         /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
2383         qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
2384 #ifdef LARGE_SMB_OFF_T
2385         qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
2386 #else /* LARGE_SMB_OFF_T */
2387         if ((IVAL(pdata,28) != 0)&&
2388                 ((qt.softlim != 0xFFFFFFFF)||
2389                 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2390                 /* more than 32 bits? */
2391                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2392                 return;
2393         }
2394 #endif /* LARGE_SMB_OFF_T */
2395
2396         /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
2397         qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
2398 #ifdef LARGE_SMB_OFF_T
2399         qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
2400 #else /* LARGE_SMB_OFF_T */
2401         if ((IVAL(pdata,36) != 0)&&
2402                 ((qt.hardlim != 0xFFFFFFFF)||
2403                 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2404                 /* more than 32 bits? */
2405                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2406                 return;
2407         }
2408 #endif /* LARGE_SMB_OFF_T */
2409
2410         sid_parse(pdata+40,sid_len,&sid);
2411         DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2412
2413         /* 44 unknown bytes left... */
2414
2415         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2416                 reply_doserror(req, ERRSRV, ERRerror);
2417                 return;
2418         }
2419
2420         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2421                         pdata, data_len);
2422 }
2423 #endif /* HAVE_SYS_QUOTAS */
2424
2425 static void handle_nttrans(connection_struct *conn,
2426                            struct trans_state *state,
2427                            struct smb_request *req)
2428 {
2429         if (Protocol >= PROTOCOL_NT1) {
2430                 req->flags2 |= 0x40; /* IS_LONG_NAME */
2431                 SSVAL(req->inbuf,smb_flg2,req->flags2);
2432         }
2433
2434         /* Now we must call the relevant NT_TRANS function */
2435         switch(state->call) {
2436                 case NT_TRANSACT_CREATE:
2437                 {
2438                         START_PROFILE(NT_transact_create);
2439                         call_nt_transact_create(
2440                                 conn, req,
2441                                 &state->setup, state->setup_count,
2442                                 &state->param, state->total_param,
2443                                 &state->data, state->total_data,
2444                                 state->max_data_return);
2445                         END_PROFILE(NT_transact_create);
2446                         break;
2447                 }
2448
2449                 case NT_TRANSACT_IOCTL:
2450                 {
2451                         START_PROFILE(NT_transact_ioctl);
2452                         call_nt_transact_ioctl(
2453                                 conn, req,
2454                                 &state->setup, state->setup_count,
2455                                 &state->param, state->total_param,
2456                                 &state->data, state->total_data,
2457                                 state->max_data_return);
2458                         END_PROFILE(NT_transact_ioctl);
2459                         break;
2460                 }
2461
2462                 case NT_TRANSACT_SET_SECURITY_DESC:
2463                 {
2464                         START_PROFILE(NT_transact_set_security_desc);
2465                         call_nt_transact_set_security_desc(
2466                                 conn, req,
2467                                 &state->setup, state->setup_count,
2468                                 &state->param, state->total_param,
2469                                 &state->data, state->total_data,
2470                                 state->max_data_return);
2471                         END_PROFILE(NT_transact_set_security_desc);
2472                         break;
2473                 }
2474
2475                 case NT_TRANSACT_NOTIFY_CHANGE:
2476                 {
2477                         START_PROFILE(NT_transact_notify_change);
2478                         call_nt_transact_notify_change(
2479                                 conn, req,
2480                                 &state->setup, state->setup_count,
2481                                 &state->param, state->total_param,
2482                                 &state->data, state->total_data,
2483                                 state->max_data_return,
2484                                 state->max_param_return);
2485                         END_PROFILE(NT_transact_notify_change);
2486                         break;
2487                 }
2488
2489                 case NT_TRANSACT_RENAME:
2490                 {
2491                         START_PROFILE(NT_transact_rename);
2492                         call_nt_transact_rename(
2493                                 conn, req,
2494                                 &state->setup, state->setup_count,
2495                                 &state->param, state->total_param,
2496                                 &state->data, state->total_data,
2497                                 state->max_data_return);
2498                         END_PROFILE(NT_transact_rename);
2499                         break;
2500                 }
2501
2502                 case NT_TRANSACT_QUERY_SECURITY_DESC:
2503                 {
2504                         START_PROFILE(NT_transact_query_security_desc);
2505                         call_nt_transact_query_security_desc(
2506                                 conn, req,
2507                                 &state->setup, state->setup_count,
2508                                 &state->param, state->total_param,
2509                                 &state->data, state->total_data,
2510                                 state->max_data_return);
2511                         END_PROFILE(NT_transact_query_security_desc);
2512                         break;
2513                 }
2514
2515 #ifdef HAVE_SYS_QUOTAS
2516                 case NT_TRANSACT_GET_USER_QUOTA:
2517                 {
2518                         START_PROFILE(NT_transact_get_user_quota);
2519                         call_nt_transact_get_user_quota(
2520                                 conn, req,
2521                                 &state->setup, state->setup_count,
2522                                 &state->param, state->total_param,
2523                                 &state->data, state->total_data,
2524                                 state->max_data_return);
2525                         END_PROFILE(NT_transact_get_user_quota);
2526                         break;
2527                 }
2528
2529                 case NT_TRANSACT_SET_USER_QUOTA:
2530                 {
2531                         START_PROFILE(NT_transact_set_user_quota);
2532                         call_nt_transact_set_user_quota(
2533                                 conn, req,
2534                                 &state->setup, state->setup_count,
2535                                 &state->param, state->total_param,
2536                                 &state->data, state->total_data,
2537                                 state->max_data_return);
2538                         END_PROFILE(NT_transact_set_user_quota);
2539                         break;
2540                 }
2541 #endif /* HAVE_SYS_QUOTAS */
2542
2543                 default:
2544                         /* Error in request */
2545                         DEBUG(0,("handle_nttrans: Unknown request %d in "
2546                                  "nttrans call\n", state->call));
2547                         reply_doserror(req, ERRSRV, ERRerror);
2548                         return;
2549         }
2550         return;
2551 }
2552
2553 /****************************************************************************
2554  Reply to a SMBNTtrans.
2555 ****************************************************************************/
2556
2557 void reply_nttrans(struct smb_request *req)
2558 {
2559         connection_struct *conn = req->conn;
2560         uint32 pscnt;
2561         uint32 psoff;
2562         uint32 dscnt;
2563         uint32 dsoff;
2564         uint16 function_code;
2565         NTSTATUS result;
2566         struct trans_state *state;
2567         int size;
2568
2569         START_PROFILE(SMBnttrans);
2570
2571         if (req->wct < 19) {
2572                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2573                 END_PROFILE(SMBnttrans);
2574                 return;
2575         }
2576
2577         size = smb_len(req->inbuf) + 4;
2578         pscnt = IVAL(req->inbuf,smb_nt_ParameterCount);
2579         psoff = IVAL(req->inbuf,smb_nt_ParameterOffset);
2580         dscnt = IVAL(req->inbuf,smb_nt_DataCount);
2581         dsoff = IVAL(req->inbuf,smb_nt_DataOffset);
2582         function_code = SVAL(req->inbuf, smb_nt_Function);
2583
2584         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2585                 reply_doserror(req, ERRSRV, ERRaccess);
2586                 END_PROFILE(SMBnttrans);
2587                 return;
2588         }
2589
2590         result = allow_new_trans(conn->pending_trans, req->mid);
2591         if (!NT_STATUS_IS_OK(result)) {
2592                 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2593                 reply_nterror(req, result);
2594                 END_PROFILE(SMBnttrans);
2595                 return;
2596         }
2597
2598         if ((state = TALLOC_P(conn->mem_ctx, struct trans_state)) == NULL) {
2599                 reply_doserror(req, ERRSRV, ERRaccess);
2600                 END_PROFILE(SMBnttrans);
2601                 return;
2602         }
2603
2604         state->cmd = SMBnttrans;
2605
2606         state->mid = req->mid;
2607         state->vuid = req->vuid;
2608         state->total_data = IVAL(req->inbuf, smb_nt_TotalDataCount);
2609         state->data = NULL;
2610         state->total_param = IVAL(req->inbuf, smb_nt_TotalParameterCount);
2611         state->param = NULL;
2612         state->max_data_return = IVAL(req->inbuf,smb_nt_MaxDataCount);
2613         state->max_param_return = IVAL(req->inbuf,smb_nt_MaxParameterCount);
2614
2615         /* setup count is in *words* */
2616         state->setup_count = 2*CVAL(req->inbuf,smb_nt_SetupCount);
2617         state->setup = NULL;
2618         state->call = function_code;
2619
2620         /*
2621          * All nttrans messages we handle have smb_wct == 19 +
2622          * state->setup_count.  Ensure this is so as a sanity check.
2623          */
2624
2625         if(req->wct != 19 + (state->setup_count/2)) {
2626                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2627                          req->wct, 19 + (state->setup_count/2)));
2628                 goto bad_param;
2629         }
2630
2631         /* Don't allow more than 128mb for each value. */
2632         if ((state->total_data > (1024*1024*128)) ||
2633             (state->total_param > (1024*1024*128))) {
2634                 reply_doserror(req, ERRDOS, ERRnomem);
2635                 END_PROFILE(SMBnttrans);
2636                 return;
2637         }
2638
2639         if ((dscnt > state->total_data) || (pscnt > state->total_param))
2640                 goto bad_param;
2641
2642         if (state->total_data)  {
2643                 /* Can't use talloc here, the core routines do realloc on the
2644                  * params and data. */
2645                 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2646                         DEBUG(0,("reply_nttrans: data malloc fail for %u "
2647                                  "bytes !\n", (unsigned int)state->total_data));
2648                         TALLOC_FREE(state);
2649                         reply_doserror(req, ERRDOS, ERRnomem);
2650                         END_PROFILE(SMBnttrans);
2651                         return;
2652                 }
2653                 if ((dsoff+dscnt < dsoff) || (dsoff+dscnt < dscnt))
2654                         goto bad_param;
2655                 if ((smb_base(req->inbuf)+dsoff+dscnt
2656                      > (char *)req->inbuf + size) ||
2657                     (smb_base(req->inbuf)+dsoff+dscnt < smb_base(req->inbuf)))
2658                         goto bad_param;
2659
2660                 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2661         }
2662
2663         if (state->total_param) {
2664                 /* Can't use talloc here, the core routines do realloc on the
2665                  * params and data. */
2666                 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2667                         DEBUG(0,("reply_nttrans: param malloc fail for %u "
2668                                  "bytes !\n", (unsigned int)state->total_param));
2669                         SAFE_FREE(state->data);
2670                         TALLOC_FREE(state);
2671                         reply_doserror(req, ERRDOS, ERRnomem);
2672                         END_PROFILE(SMBnttrans);
2673                         return;
2674                 }
2675                 if ((psoff+pscnt < psoff) || (psoff+pscnt < pscnt))
2676                         goto bad_param;
2677                 if ((smb_base(req->inbuf)+psoff+pscnt
2678                      > (char *)req->inbuf + size) ||
2679                     (smb_base(req->inbuf)+psoff+pscnt < smb_base(req->inbuf)))
2680                         goto bad_param;
2681
2682                 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2683         }
2684
2685         state->received_data  = dscnt;
2686         state->received_param = pscnt;
2687
2688         if(state->setup_count > 0) {
2689                 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2690                           state->setup_count));
2691                 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2692                 if (state->setup == NULL) {
2693                         DEBUG(0,("reply_nttrans : Out of memory\n"));
2694                         SAFE_FREE(state->data);
2695                         SAFE_FREE(state->param);
2696                         TALLOC_FREE(state);
2697                         reply_doserror(req, ERRDOS, ERRnomem);
2698                         END_PROFILE(SMBnttrans);
2699                         return;
2700                 }
2701
2702                 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
2703                     (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
2704                         goto bad_param;
2705                 }
2706                 if (smb_nt_SetupStart + state->setup_count > size) {
2707                         goto bad_param;
2708                 }
2709
2710                 memcpy( state->setup, &req->inbuf[smb_nt_SetupStart],
2711                         state->setup_count);
2712                 dump_data(10, (uint8 *)state->setup, state->setup_count);
2713         }
2714
2715         if ((state->received_data == state->total_data) &&
2716             (state->received_param == state->total_param)) {
2717                 handle_nttrans(conn, state, req);
2718                 SAFE_FREE(state->param);
2719                 SAFE_FREE(state->data);
2720                 TALLOC_FREE(state);
2721                 END_PROFILE(SMBnttrans);
2722                 return;
2723         }
2724
2725         DLIST_ADD(conn->pending_trans, state);
2726
2727         /* We need to send an interim response then receive the rest
2728            of the parameter/data bytes */
2729         reply_outbuf(req, 0, 0);
2730         show_msg((char *)req->outbuf);
2731         END_PROFILE(SMBnttrans);
2732         return;
2733
2734   bad_param:
2735
2736         DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2737         SAFE_FREE(state->data);
2738         SAFE_FREE(state->param);
2739         TALLOC_FREE(state);
2740         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2741         END_PROFILE(SMBnttrans);
2742         return;
2743 }
2744
2745 /****************************************************************************
2746  Reply to a SMBnttranss
2747  ****************************************************************************/
2748
2749 void reply_nttranss(struct smb_request *req)
2750 {
2751         connection_struct *conn = req->conn;
2752         unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
2753         struct trans_state *state;
2754
2755         int size;
2756
2757         START_PROFILE(SMBnttranss);
2758
2759         show_msg((char *)req->inbuf);
2760
2761         if (req->wct < 18) {
2762                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2763                 END_PROFILE(SMBnttranss);
2764                 return;
2765         }
2766
2767         for (state = conn->pending_trans; state != NULL;
2768              state = state->next) {
2769                 if (state->mid == req->mid) {
2770                         break;
2771                 }
2772         }
2773
2774         if ((state == NULL) || (state->cmd != SMBnttrans)) {
2775                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2776                 END_PROFILE(SMBnttranss);
2777                 return;
2778         }
2779
2780         /* Revise state->total_param and state->total_data in case they have
2781            changed downwards */
2782         if (IVAL(req->inbuf, smb_nts_TotalParameterCount)
2783             < state->total_param) {
2784                 state->total_param = IVAL(req->inbuf,
2785                                           smb_nts_TotalParameterCount);
2786         }
2787         if (IVAL(req->inbuf, smb_nts_TotalDataCount) < state->total_data) {
2788                 state->total_data = IVAL(req->inbuf, smb_nts_TotalDataCount);
2789         }
2790
2791         size = smb_len(req->inbuf) + 4;
2792
2793         pcnt = IVAL(req->inbuf,smb_nts_ParameterCount);
2794         poff = IVAL(req->inbuf, smb_nts_ParameterOffset);
2795         pdisp = IVAL(req->inbuf, smb_nts_ParameterDisplacement);
2796
2797         dcnt = IVAL(req->inbuf, smb_nts_DataCount);
2798         ddisp = IVAL(req->inbuf, smb_nts_DataDisplacement);
2799         doff = IVAL(req->inbuf, smb_nts_DataOffset);
2800
2801         state->received_param += pcnt;
2802         state->received_data += dcnt;
2803
2804         if ((state->received_data > state->total_data) ||
2805             (state->received_param > state->total_param))
2806                 goto bad_param;
2807
2808         if (pcnt) {
2809                 if (pdisp+pcnt > state->total_param)
2810                         goto bad_param;
2811                 if ((pdisp+pcnt < pdisp) || (pdisp+pcnt < pcnt))
2812                         goto bad_param;
2813                 if (pdisp > state->total_param)
2814                         goto bad_param;
2815                 if ((smb_base(req->inbuf) + poff + pcnt
2816                      > (char *)req->inbuf + size) ||
2817                     (smb_base(req->inbuf) + poff + pcnt
2818                      < smb_base(req->inbuf)))
2819                         goto bad_param;
2820                 if (state->param + pdisp < state->param)
2821                         goto bad_param;
2822
2823                 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,
2824                        pcnt);
2825         }
2826
2827         if (dcnt) {
2828                 if (ddisp+dcnt > state->total_data)
2829                         goto bad_param;
2830                 if ((ddisp+dcnt < ddisp) || (ddisp+dcnt < dcnt))
2831                         goto bad_param;
2832                 if (ddisp > state->total_data)
2833                         goto bad_param;
2834                 if ((smb_base(req->inbuf) + doff + dcnt
2835                      > (char *)req->inbuf + size) ||
2836                     (smb_base(req->inbuf) + doff + dcnt
2837                      < smb_base(req->inbuf)))
2838                         goto bad_param;
2839                 if (state->data + ddisp < state->data)
2840                         goto bad_param;
2841
2842                 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,
2843                        dcnt);
2844         }
2845
2846         if ((state->received_param < state->total_param) ||
2847             (state->received_data < state->total_data)) {
2848                 END_PROFILE(SMBnttranss);
2849                 return;
2850         }
2851
2852         /*
2853          * construct_reply_common will copy smb_com from inbuf to
2854          * outbuf. SMBnttranss is wrong here.
2855          */
2856         SCVAL(req->inbuf,smb_com,SMBnttrans);
2857
2858         handle_nttrans(conn, state, req);
2859
2860         DLIST_REMOVE(conn->pending_trans, state);
2861         SAFE_FREE(state->data);
2862         SAFE_FREE(state->param);
2863         TALLOC_FREE(state);
2864         END_PROFILE(SMBnttranss);
2865         return;
2866
2867   bad_param:
2868
2869         DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
2870         DLIST_REMOVE(conn->pending_trans, state);
2871         SAFE_FREE(state->data);
2872         SAFE_FREE(state->param);
2873         TALLOC_FREE(state);
2874         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2875         END_PROFILE(SMBnttranss);
2876         return;
2877 }