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 const struct generic_mapping file_generic_mapping;
  26
  27 static char *nttrans_realloc(char **ptr, size_t size)
  28 {
  29         if (ptr==NULL) {
  30                 smb_panic("nttrans_realloc() called with NULL ptr");
  31         }
  32
  33         *ptr = (char *)SMB_REALLOC(*ptr, size);
  34         if(*ptr == NULL) {
  35                 return NULL;
  36         }
  37         memset(*ptr,'\0',size);
  38         return *ptr;
  39 }
  40
  41 /****************************************************************************
  42  Send the required number of replies back.
  43  We assume all fields other than the data fields are
  44  set correctly for the type of call.
  45  HACK ! Always assumes smb_setup field is zero.
  46 ****************************************************************************/
  47
  48 void send_nt_replies(connection_struct *conn,
  49                         struct smb_request *req, NTSTATUS nt_error,
  50                      char *params, int paramsize,
  51                      char *pdata, int datasize)
  52 {
  53         int data_to_send = datasize;
  54         int params_to_send = paramsize;
  55         int useable_space;
  56         char *pp = params;
  57         char *pd = pdata;
  58         int params_sent_thistime, data_sent_thistime, total_sent_thistime;
  59         int alignment_offset = 3;
  60         int data_alignment_offset = 0;
  61
  62         /*
  63          * If there genuinely are no parameters or data to send just send
  64          * the empty packet.
  65          */
  66
  67         if(params_to_send == 0 && data_to_send == 0) {
  68                 reply_outbuf(req, 18, 0);
  69                 show_msg((char *)req->outbuf);
  70                 return;
  71         }
  72
  73         /*
  74          * When sending params and data ensure that both are nicely aligned.
  75          * Only do this alignment when there is also data to send - else
  76          * can cause NT redirector problems.
  77          */
  78
  79         if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
  80                 data_alignment_offset = 4 - (params_to_send % 4);
  81         }
  82
  83         /*
  84          * Space is bufsize minus Netbios over TCP header minus SMB header.
  85          * The alignment_offset is to align the param bytes on a four byte
  86          * boundary (2 bytes for data len, one byte pad).
  87          * NT needs this to work correctly.
  88          */
  89
  90         useable_space = max_send - (smb_size
  91                                     + 2 * 18 /* wct */
  92                                     + alignment_offset
  93                                     + data_alignment_offset);
  94
  95         if (useable_space < 0) {
  96                 DEBUG(0, ("send_nt_replies failed sanity useable_space "
  97                           "= %d!!!", useable_space));
  98                 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
  99         }
 100
 101         while (params_to_send || data_to_send) {
 102
 103                 /*
 104                  * Calculate whether we will totally or partially fill this packet.
 105                  */
 106
 107                 total_sent_thistime = params_to_send + data_to_send;
 108
 109                 /*
 110                  * We can never send more than useable_space.
 111                  */
 112
 113                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
 114
 115                 reply_outbuf(req, 18,
 116                              total_sent_thistime + alignment_offset
 117                              + data_alignment_offset);
 118
 119                 /*
 120                  * Set total params and data to be sent.
 121                  */
 122
 123                 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
 124                 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
 125
 126                 /*
 127                  * Calculate how many parameters and data we can fit into
 128                  * this packet. Parameters get precedence.
 129                  */
 130
 131                 params_sent_thistime = MIN(params_to_send,useable_space);
 132                 data_sent_thistime = useable_space - params_sent_thistime;
 133                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
 134
 135                 SIVAL(req->outbuf, smb_ntr_ParameterCount,
 136                       params_sent_thistime);
 137
 138                 if(params_sent_thistime == 0) {
 139                         SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
 140                         SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
 141                 } else {
 142                         /*
 143                          * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
 144                          * parameter bytes, however the first 4 bytes of outbuf are
 145                          * the Netbios over TCP header. Thus use smb_base() to subtract
 146                          * them from the calculation.
 147                          */
 148
 149                         SIVAL(req->outbuf,smb_ntr_ParameterOffset,
 150                               ((smb_buf(req->outbuf)+alignment_offset)
 151                                - smb_base(req->outbuf)));
 152                         /*
 153                          * Absolute displacement of param bytes sent in this packet.
 154                          */
 155
 156                         SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
 157                               pp - params);
 158                 }
 159
 160                 /*
 161                  * Deal with the data portion.
 162                  */
 163
 164                 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
 165
 166                 if(data_sent_thistime == 0) {
 167                         SIVAL(req->outbuf,smb_ntr_DataOffset,0);
 168                         SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
 169                 } else {
 170                         /*
 171                          * The offset of the data bytes is the offset of the
 172                          * parameter bytes plus the number of parameters being sent this time.
 173                          */
 174
 175                         SIVAL(req->outbuf, smb_ntr_DataOffset,
 176                               ((smb_buf(req->outbuf)+alignment_offset) -
 177                                smb_base(req->outbuf))
 178                               + params_sent_thistime + data_alignment_offset);
 179                         SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
 180                 }
 181
 182                 /*
 183                  * Copy the param bytes into the packet.
 184                  */
 185
 186                 if(params_sent_thistime) {
 187                         if (alignment_offset != 0) {
 188                                 memset(smb_buf(req->outbuf), 0,
 189                                        alignment_offset);
 190                         }
 191                         memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
 192                                params_sent_thistime);
 193                 }
 194
 195                 /*
 196                  * Copy in the data bytes
 197                  */
 198
 199                 if(data_sent_thistime) {
 200                         if (data_alignment_offset != 0) {
 201                                 memset((smb_buf(req->outbuf)+alignment_offset+
 202                                         params_sent_thistime), 0,
 203                                        data_alignment_offset);
 204                         }
 205                         memcpy(smb_buf(req->outbuf)+alignment_offset
 206                                +params_sent_thistime+data_alignment_offset,
 207                                pd,data_sent_thistime);
 208                 }
 209
 210                 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
 211                         params_sent_thistime, data_sent_thistime, useable_space));
 212                 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
 213                         params_to_send, data_to_send, paramsize, datasize));
 214
 215                 if (NT_STATUS_V(nt_error)) {
 216                         error_packet_set((char *)req->outbuf,
 217                                          0, 0, nt_error,
 218                                          __LINE__,__FILE__);
 219                 }
 220
 221                 /* Send the packet */
 222                 show_msg((char *)req->outbuf);
 223                 if (!srv_send_smb(smbd_server_fd(),
 224                                 (char *)req->outbuf,
 225                                 IS_CONN_ENCRYPTED(conn))) {
 226                         exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
 227                 }
 228
 229                 TALLOC_FREE(req->outbuf);
 230
 231                 pp += params_sent_thistime;
 232                 pd += data_sent_thistime;
 233
 234                 params_to_send -= params_sent_thistime;
 235                 data_to_send -= data_sent_thistime;
 236
 237                 /*
 238                  * Sanity check
 239                  */
 240
 241                 if(params_to_send < 0 || data_to_send < 0) {
 242                         DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
 243                                 params_to_send, data_to_send));
 244                         exit_server_cleanly("send_nt_replies: internal error");
 245                 }
 246         }
 247 }
 248
 249 /****************************************************************************
 250  Is it an NTFS stream name ?
 251  An NTFS file name is <path>.<extention>:<stream name>:<stream type>
 252  $DATA can be used as both a stream name and a stream type. A missing stream
 253  name or type implies $DATA.
 254 ****************************************************************************/
 255
 256 bool is_ntfs_stream_name(const char *fname)
 257 {
 258         if (lp_posix_pathnames()) {
 259                 return False;
 260         }
 261         return (strchr_m(fname, ':') != NULL) ? True : False;
 262 }
 263
 264 /****************************************************************************
 265  Reply to an NT create and X call on a pipe
 266 ****************************************************************************/
 267
 268 static void nt_open_pipe(char *fname, connection_struct *conn,
 269                          struct smb_request *req, int *ppnum)
 270 {
 271         smb_np_struct *p = NULL;
 272
 273         DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
 274
 275         /* See if it is one we want to handle. */
 276
 277         if (!is_known_pipename(fname)) {
 278                 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
 279                                 ERRDOS, ERRbadpipe);
 280                 return;
 281         }
 282
 283         /* Strip \\ off the name. */
 284         fname++;
 285
 286         DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
 287
 288         p = open_rpc_pipe_p(fname, conn, req->vuid);
 289         if (!p) {
 290                 reply_doserror(req, ERRSRV, ERRnofids);
 291                 return;
 292         }
 293
 294         /* TODO: Add pipe to db */
 295
 296         if ( !store_pipe_opendb( p ) ) {
 297                 DEBUG(3,("nt_open_pipe: failed to store %s pipe open.\n", fname));
 298         }
 299
 300         *ppnum = p->pnum;
 301         return;
 302 }
 303
 304 /****************************************************************************
 305  Reply to an NT create and X call for pipes.
 306 ****************************************************************************/
 307
 308 static void do_ntcreate_pipe_open(connection_struct *conn,
 309                                   struct smb_request *req)
 310 {
 311         char *fname = NULL;
 312         int pnum = -1;
 313         char *p = NULL;
 314         uint32 flags = IVAL(req->inbuf,smb_ntcreate_Flags);
 315         TALLOC_CTX *ctx = talloc_tos();
 316
 317         srvstr_pull_buf_talloc(ctx, (char *)req->inbuf, req->flags2, &fname,
 318                         smb_buf(req->inbuf), STR_TERMINATE);
 319
 320         if (!fname) {
 321                 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
 322                                 ERRDOS, ERRbadpipe);
 323                 return;
 324         }
 325         nt_open_pipe(fname, conn, req, &pnum);
 326
 327         if (req->outbuf) {
 328                 /* error reply */
 329                 return;
 330         }
 331
 332         /*
 333          * Deal with pipe return.
 334          */
 335
 336         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 337                 /* This is very strange. We
 338                  * return 50 words, but only set
 339                  * the wcnt to 42 ? It's definately
 340                  * what happens on the wire....
 341                  */
 342                 reply_outbuf(req, 50, 0);
 343                 SCVAL(req->outbuf,smb_wct,42);
 344         } else {
 345                 reply_outbuf(req, 34, 0);
 346         }
 347
 348         p = (char *)req->outbuf + smb_vwv2;
 349         p++;
 350         SSVAL(p,0,pnum);
 351         p += 2;
 352         SIVAL(p,0,FILE_WAS_OPENED);
 353         p += 4;
 354         p += 32;
 355         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 356         p += 20;
 357         /* File type. */
 358         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 359         /* Device state. */
 360         SSVAL(p,2, 0x5FF); /* ? */
 361         p += 4;
 362
 363         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 364                 p += 25;
 365                 SIVAL(p,0,FILE_GENERIC_ALL);
 366                 /*
 367                  * For pipes W2K3 seems to return
 368                  * 0x12019B next.
 369                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
 370                  */
 371                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
 372         }
 373
 374         DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
 375
 376         chain_reply(req);
 377 }
 378
 379 /****************************************************************************
 380  Reply to an NT create and X call.
 381 ****************************************************************************/
 382
 383 void reply_ntcreate_and_X(struct smb_request *req)
 384 {
 385         connection_struct *conn = req->conn;
 386         char *fname = NULL;
 387         uint32 flags;
 388         uint32 access_mask;
 389         uint32 file_attributes;
 390         uint32 share_access;
 391         uint32 create_disposition;
 392         uint32 create_options;
 393         uint16 root_dir_fid;
 394         SMB_BIG_UINT allocation_size;
 395         /* Breakout the oplock request bits so we can set the
 396            reply bits separately. */
 397         uint32 fattr=0;
 398         SMB_OFF_T file_len = 0;
 399         SMB_STRUCT_STAT sbuf;
 400         int info = 0;
 401         files_struct *fsp = NULL;
 402         char *p = NULL;
 403         struct timespec c_timespec;
 404         struct timespec a_timespec;
 405         struct timespec m_timespec;
 406         NTSTATUS status;
 407         int oplock_request;
 408         uint8_t oplock_granted = NO_OPLOCK_RETURN;
 409         TALLOC_CTX *ctx = talloc_tos();
 410
 411         START_PROFILE(SMBntcreateX);
 412
 413         if (req->wct < 24) {
 414                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 415                 return;
 416         }
 417
 418         flags = IVAL(req->inbuf,smb_ntcreate_Flags);
 419         access_mask = IVAL(req->inbuf,smb_ntcreate_DesiredAccess);
 420         file_attributes = IVAL(req->inbuf,smb_ntcreate_FileAttributes);
 421         share_access = IVAL(req->inbuf,smb_ntcreate_ShareAccess);
 422         create_disposition = IVAL(req->inbuf,smb_ntcreate_CreateDisposition);
 423         create_options = IVAL(req->inbuf,smb_ntcreate_CreateOptions);
 424         root_dir_fid = (uint16)IVAL(req->inbuf,smb_ntcreate_RootDirectoryFid);
 425
 426         allocation_size = (SMB_BIG_UINT)IVAL(req->inbuf,
 427                                              smb_ntcreate_AllocationSize);
 428 #ifdef LARGE_SMB_OFF_T
 429         allocation_size |= (((SMB_BIG_UINT)IVAL(
 430                                      req->inbuf,
 431                                      smb_ntcreate_AllocationSize + 4)) << 32);
 432 #endif
 433
 434         srvstr_get_path(ctx, (char *)req->inbuf, req->flags2, &fname,
 435                         smb_buf(req->inbuf), 0, STR_TERMINATE, &status);
 436
 437         if (!NT_STATUS_IS_OK(status)) {
 438                 reply_nterror(req, status);
 439                 END_PROFILE(SMBntcreateX);
 440                 return;
 441         }
 442
 443         DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
 444                   "file_attributes = 0x%x, share_access = 0x%x, "
 445                   "create_disposition = 0x%x create_options = 0x%x "
 446                   "root_dir_fid = 0x%x, fname = %s\n",
 447                         (unsigned int)flags,
 448                         (unsigned int)access_mask,
 449                         (unsigned int)file_attributes,
 450                         (unsigned int)share_access,
 451                         (unsigned int)create_disposition,
 452                         (unsigned int)create_options,
 453                         (unsigned int)root_dir_fid,
 454                         fname));
 455
 456         /*
 457          * we need to remove ignored bits when they come directly from the client
 458          * because we reuse some of them for internal stuff
 459          */
 460         create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
 461
 462         /*
 463          * If it's an IPC, use the pipe handler.
 464          */
 465
 466         if (IS_IPC(conn)) {
 467                 if (lp_nt_pipe_support()) {
 468                         do_ntcreate_pipe_open(conn, req);
 469                         END_PROFILE(SMBntcreateX);
 470                         return;
 471                 }
 472                 reply_doserror(req, ERRDOS, ERRnoaccess);
 473                 END_PROFILE(SMBntcreateX);
 474                 return;
 475         }
 476
 477         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 478         if (oplock_request) {
 479                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
 480                         ? BATCH_OPLOCK : 0;
 481         }
 482
 483         status = create_file(conn, req, root_dir_fid, fname,
 484                              access_mask, share_access, create_disposition,
 485                              create_options, file_attributes, oplock_request,
 486                              allocation_size, NULL, NULL, &fsp, &info, &sbuf);
 487
 488         if (!NT_STATUS_IS_OK(status)) {
 489                 if (open_was_deferred(req->mid)) {
 490                         /* We have re-scheduled this call, no error. */
 491                         END_PROFILE(SMBntcreateX);
 492                         return;
 493                 }
 494                 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_COLLISION)) {
 495                         reply_botherror(req, status, ERRDOS, ERRfilexists);
 496                 }
 497                 else {
 498                         reply_nterror(req, status);
 499                 }
 500                 END_PROFILE(SMBntcreateX);
 501                 return;
 502         }
 503
 504         /*
 505          * If the caller set the extended oplock request bit
 506          * and we granted one (by whatever means) - set the
 507          * correct bit for extended oplock reply.
 508          */
 509
 510         if (oplock_request &&
 511             (lp_fake_oplocks(SNUM(conn))
 512              || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
 513
 514                 /*
 515                  * Exclusive oplock granted
 516                  */
 517
 518                 if (flags & REQUEST_BATCH_OPLOCK) {
 519                         oplock_granted = BATCH_OPLOCK_RETURN;
 520                 } else {
 521                         oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
 522                 }
 523         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
 524                 oplock_granted = LEVEL_II_OPLOCK_RETURN;
 525         } else {
 526                 oplock_granted = NO_OPLOCK_RETURN;
 527         }
 528
 529         file_len = sbuf.st_size;
 530         fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
 531         if (fattr == 0) {
 532                 fattr = FILE_ATTRIBUTE_NORMAL;
 533         }
 534
 535         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 536                 /* This is very strange. We
 537                  * return 50 words, but only set
 538                  * the wcnt to 42 ? It's definately
 539                  * what happens on the wire....
 540                  */
 541                 reply_outbuf(req, 50, 0);
 542                 SCVAL(req->outbuf,smb_wct,42);
 543         } else {
 544                 reply_outbuf(req, 34, 0);
 545         }
 546
 547         p = (char *)req->outbuf + smb_vwv2;
 548
 549         SCVAL(p, 0, oplock_granted);
 550
 551         p++;
 552         SSVAL(p,0,fsp->fnum);
 553         p += 2;
 554         if ((create_disposition == FILE_SUPERSEDE)
 555             && (info == FILE_WAS_OVERWRITTEN)) {
 556                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
 557         } else {
 558                 SIVAL(p,0,info);
 559         }
 560         p += 4;
 561
 562         /* Create time. */
 563         c_timespec = get_create_timespec(
 564                 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
 565         a_timespec = get_atimespec(&sbuf);
 566         m_timespec = get_mtimespec(&sbuf);
 567
 568         if (lp_dos_filetime_resolution(SNUM(conn))) {
 569                 dos_filetime_timespec(&c_timespec);
 570                 dos_filetime_timespec(&a_timespec);
 571                 dos_filetime_timespec(&m_timespec);
 572         }
 573
 574         put_long_date_timespec(p, c_timespec); /* create time. */
 575         p += 8;
 576         put_long_date_timespec(p, a_timespec); /* access time */
 577         p += 8;
 578         put_long_date_timespec(p, m_timespec); /* write time */
 579         p += 8;
 580         put_long_date_timespec(p, m_timespec); /* change time */
 581         p += 8;
 582         SIVAL(p,0,fattr); /* File Attributes. */
 583         p += 4;
 584         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
 585         p += 8;
 586         SOFF_T(p,0,file_len);
 587         p += 8;
 588         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 589                 SSVAL(p,2,0x7);
 590         }
 591         p += 4;
 592         SCVAL(p,0,fsp->is_directory ? 1 : 0);
 593
 594         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 595                 uint32 perms = 0;
 596                 p += 25;
 597                 if (fsp->is_directory
 598                     || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
 599                         perms = FILE_GENERIC_ALL;
 600                 } else {
 601                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
 602                 }
 603                 SIVAL(p,0,perms);
 604         }
 605
 606         DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
 607                  fsp->fnum, fsp->fsp_name));
 608
 609         chain_reply(req);
 610         END_PROFILE(SMBntcreateX);
 611         return;
 612 }
 613
 614 /****************************************************************************
 615  Reply to a NT_TRANSACT_CREATE call to open a pipe.
 616 ****************************************************************************/
 617
 618 static void do_nt_transact_create_pipe(connection_struct *conn,
 619                                        struct smb_request *req,
 620                                        uint16 **ppsetup, uint32 setup_count,
 621                                        char **ppparams, uint32 parameter_count,
 622                                        char **ppdata, uint32 data_count)
 623 {
 624         char *fname = NULL;
 625         char *params = *ppparams;
 626         int pnum = -1;
 627         char *p = NULL;
 628         NTSTATUS status;
 629         size_t param_len;
 630         uint32 flags;
 631         TALLOC_CTX *ctx = talloc_tos();
 632
 633         /*
 634          * Ensure minimum number of parameters sent.
 635          */
 636
 637         if(parameter_count < 54) {
 638                 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
 639                 reply_doserror(req, ERRDOS, ERRnoaccess);
 640                 return;
 641         }
 642
 643         flags = IVAL(params,0);
 644
 645         srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
 646                         parameter_count-53, STR_TERMINATE,
 647                         &status);
 648         if (!NT_STATUS_IS_OK(status)) {
 649                 reply_nterror(req, status);
 650                 return;
 651         }
 652
 653         nt_open_pipe(fname, conn, req, &pnum);
 654
 655         if (req->outbuf) {
 656                 /* Error return */
 657                 return;
 658         }
 659
 660         /* Realloc the size of parameters and data we will return */
 661         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 662                 /* Extended response is 32 more byyes. */
 663                 param_len = 101;
 664         } else {
 665                 param_len = 69;
 666         }
 667         params = nttrans_realloc(ppparams, param_len);
 668         if(params == NULL) {
 669                 reply_doserror(req, ERRDOS, ERRnomem);
 670                 return;
 671         }
 672
 673         p = params;
 674         SCVAL(p,0,NO_OPLOCK_RETURN);
 675
 676         p += 2;
 677         SSVAL(p,0,pnum);
 678         p += 2;
 679         SIVAL(p,0,FILE_WAS_OPENED);
 680         p += 8;
 681
 682         p += 32;
 683         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 684         p += 20;
 685         /* File type. */
 686         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 687         /* Device state. */
 688         SSVAL(p,2, 0x5FF); /* ? */
 689         p += 4;
 690
 691         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 692                 p += 25;
 693                 SIVAL(p,0,FILE_GENERIC_ALL);
 694                 /*
 695                  * For pipes W2K3 seems to return
 696                  * 0x12019B next.
 697                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
 698                  */
 699                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
 700         }
 701
 702         DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
 703
 704         /* Send the required number of replies */
 705         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
 706
 707         return;
 708 }
 709
 710 /****************************************************************************
 711  Internal fn to set security descriptors.
 712 ****************************************************************************/
 713
 714 static NTSTATUS set_sd(files_struct *fsp, uint8 *data, uint32 sd_len,
 715                        uint32 security_info_sent)
 716 {
 717         SEC_DESC *psd = NULL;
 718         NTSTATUS status;
 719
 720         if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
 721                 return NT_STATUS_OK;
 722         }
 723
 724         status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
 725
 726         if (!NT_STATUS_IS_OK(status)) {
 727                 return status;
 728         }
 729
 730         if (psd->owner_sid == NULL) {
 731                 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
 732         }
 733         if (psd->group_sid == NULL) {
 734                 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
 735         }
 736
 737         /* Convert all the generic bits. */
 738         security_acl_map_generic(psd->dacl, &file_generic_mapping);
 739         security_acl_map_generic(psd->sacl, &file_generic_mapping);
 740
 741         if (DEBUGLEVEL >= 10) {
 742                 DEBUG(10,("set_sd for file %s\n", fsp->fsp_name ));
 743                 NDR_PRINT_DEBUG(security_descriptor, psd);
 744         }
 745
 746         status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
 747
 748         TALLOC_FREE(psd);
 749
 750         return status;
 751 }
 752
 753 /****************************************************************************
 754  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
 755 ****************************************************************************/
 756
 757 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
 758 {
 759         struct ea_list *ea_list_head = NULL;
 760         size_t offset = 0;
 761
 762         if (data_size < 4) {
 763                 return NULL;
 764         }
 765
 766         while (offset + 4 <= data_size) {
 767                 size_t next_offset = IVAL(pdata,offset);
 768                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
 769
 770                 if (!eal) {
 771                         return NULL;
 772                 }
 773
 774                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
 775                 if (next_offset == 0) {
 776                         break;
 777                 }
 778                 offset += next_offset;
 779         }
 780
 781         return ea_list_head;
 782 }
 783
 784 /****************************************************************************
 785  Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
 786 ****************************************************************************/
 787
 788 static void call_nt_transact_create(connection_struct *conn,
 789                                     struct smb_request *req,
 790                                     uint16 **ppsetup, uint32 setup_count,
 791                                     char **ppparams, uint32 parameter_count,
 792                                     char **ppdata, uint32 data_count,
 793                                     uint32 max_data_count)
 794 {
 795         char *fname = NULL;
 796         char *params = *ppparams;
 797         char *data = *ppdata;
 798         /* Breakout the oplock request bits so we can set the reply bits separately. */
 799         uint32 fattr=0;
 800         SMB_OFF_T file_len = 0;
 801         SMB_STRUCT_STAT sbuf;
 802         int info = 0;
 803         files_struct *fsp = NULL;
 804         char *p = NULL;
 805         uint32 flags;
 806         uint32 access_mask;
 807         uint32 file_attributes;
 808         uint32 share_access;
 809         uint32 create_disposition;
 810         uint32 create_options;
 811         uint32 sd_len;
 812         struct security_descriptor *sd = NULL;
 813         uint32 ea_len;
 814         uint16 root_dir_fid;
 815         struct timespec c_timespec;
 816         struct timespec a_timespec;
 817         struct timespec m_timespec;
 818         struct ea_list *ea_list = NULL;
 819         NTSTATUS status;
 820         size_t param_len;
 821         SMB_BIG_UINT allocation_size;
 822         int oplock_request;
 823         uint8_t oplock_granted;
 824         TALLOC_CTX *ctx = talloc_tos();
 825
 826         DEBUG(5,("call_nt_transact_create\n"));
 827
 828         /*
 829          * If it's an IPC, use the pipe handler.
 830          */
 831
 832         if (IS_IPC(conn)) {
 833                 if (lp_nt_pipe_support()) {
 834                         do_nt_transact_create_pipe(
 835                                 conn, req,
 836                                 ppsetup, setup_count,
 837                                 ppparams, parameter_count,
 838                                 ppdata, data_count);
 839                         return;
 840                 }
 841                 reply_doserror(req, ERRDOS, ERRnoaccess);
 842                 return;
 843         }
 844
 845         /*
 846          * Ensure minimum number of parameters sent.
 847          */
 848
 849         if(parameter_count < 54) {
 850                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
 851                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 852                 return;
 853         }
 854
 855         flags = IVAL(params,0);
 856         access_mask = IVAL(params,8);
 857         file_attributes = IVAL(params,20);
 858         share_access = IVAL(params,24);
 859         create_disposition = IVAL(params,28);
 860         create_options = IVAL(params,32);
 861         sd_len = IVAL(params,36);
 862         ea_len = IVAL(params,40);
 863         root_dir_fid = (uint16)IVAL(params,4);
 864         allocation_size = (SMB_BIG_UINT)IVAL(params,12);
 865 #ifdef LARGE_SMB_OFF_T
 866         allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
 867 #endif
 868
 869         /*
 870          * we need to remove ignored bits when they come directly from the client
 871          * because we reuse some of them for internal stuff
 872          */
 873         create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
 874
 875         /* Ensure the data_len is correct for the sd and ea values given. */
 876         if ((ea_len + sd_len > data_count)
 877             || (ea_len > data_count) || (sd_len > data_count)
 878             || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
 879                 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
 880                            "%u, data_count = %u\n", (unsigned int)ea_len,
 881                            (unsigned int)sd_len, (unsigned int)data_count));
 882                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 883                 return;
 884         }
 885
 886         if (sd_len) {
 887                 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
 888                            sd_len));
 889
 890                 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
 891                                              &sd);
 892                 if (!NT_STATUS_IS_OK(status)) {
 893                         DEBUG(10, ("call_nt_transact_create: "
 894                                    "unmarshall_sec_desc failed: %s\n",
 895                                    nt_errstr(status)));
 896                         reply_nterror(req, status);
 897                         return;
 898                 }
 899         }
 900
 901         if (ea_len) {
 902                 if (!lp_ea_support(SNUM(conn))) {
 903                         DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
 904                                    "EA's not supported.\n",
 905                                    (unsigned int)ea_len));
 906                         reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
 907                         return;
 908                 }
 909
 910                 if (ea_len < 10) {
 911                         DEBUG(10,("call_nt_transact_create - ea_len = %u - "
 912                                   "too small (should be more than 10)\n",
 913                                   (unsigned int)ea_len ));
 914                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 915                         return;
 916                 }
 917
 918                 /* We have already checked that ea_len <= data_count here. */
 919                 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
 920                                                ea_len);
 921                 if (ea_list == NULL) {
 922                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 923                         return;
 924                 }
 925         }
 926
 927         srvstr_get_path(ctx, params, req->flags2, &fname,
 928                         params+53, parameter_count-53,
 929                         STR_TERMINATE, &status);
 930         if (!NT_STATUS_IS_OK(status)) {
 931                 reply_nterror(req, status);
 932                 return;
 933         }
 934
 935         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 936         if (oplock_request) {
 937                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
 938                         ? BATCH_OPLOCK : 0;
 939         }
 940
 941         status = create_file(conn, req, root_dir_fid, fname,
 942                              access_mask, share_access, create_disposition,
 943                              create_options, file_attributes, oplock_request,
 944                              allocation_size, sd, ea_list, &fsp, &info, &sbuf);
 945
 946         if(!NT_STATUS_IS_OK(status)) {
 947                 if (open_was_deferred(req->mid)) {
 948                         /* We have re-scheduled this call, no error. */
 949                         return;
 950                 }
 951                 reply_openerror(req, status);
 952                 return;
 953         }
 954
 955         /*
 956          * If the caller set the extended oplock request bit
 957          * and we granted one (by whatever means) - set the
 958          * correct bit for extended oplock reply.
 959          */
 960
 961         if (oplock_request &&
 962             (lp_fake_oplocks(SNUM(conn))
 963              || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
 964
 965                 /*
 966                  * Exclusive oplock granted
 967                  */
 968
 969                 if (flags & REQUEST_BATCH_OPLOCK) {
 970                         oplock_granted = BATCH_OPLOCK_RETURN;
 971                 } else {
 972                         oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
 973                 }
 974         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
 975                 oplock_granted = LEVEL_II_OPLOCK_RETURN;
 976         } else {
 977                 oplock_granted = NO_OPLOCK_RETURN;
 978         }
 979
 980         file_len = sbuf.st_size;
 981         fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
 982         if (fattr == 0) {
 983                 fattr = FILE_ATTRIBUTE_NORMAL;
 984         }
 985
 986         /* Realloc the size of parameters and data we will return */
 987         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 988                 /* Extended response is 32 more byyes. */
 989                 param_len = 101;
 990         } else {
 991                 param_len = 69;
 992         }
 993         params = nttrans_realloc(ppparams, param_len);
 994         if(params == NULL) {
 995                 reply_doserror(req, ERRDOS, ERRnomem);
 996                 return;
 997         }
 998
 999         p = params;
1000         SCVAL(p, 0, oplock_granted);
1001
1002         p += 2;
1003         SSVAL(p,0,fsp->fnum);
1004         p += 2;
1005         if ((create_disposition == FILE_SUPERSEDE)
1006             && (info == FILE_WAS_OVERWRITTEN)) {
1007                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1008         } else {
1009                 SIVAL(p,0,info);
1010         }
1011         p += 8;
1012
1013         /* Create time. */
1014         c_timespec = get_create_timespec(
1015                 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
1016         a_timespec = get_atimespec(&sbuf);
1017         m_timespec = get_mtimespec(&sbuf);
1018
1019         if (lp_dos_filetime_resolution(SNUM(conn))) {
1020                 dos_filetime_timespec(&c_timespec);
1021                 dos_filetime_timespec(&a_timespec);
1022                 dos_filetime_timespec(&m_timespec);
1023         }
1024
1025         put_long_date_timespec(p, c_timespec); /* create time. */
1026         p += 8;
1027         put_long_date_timespec(p, a_timespec); /* access time */
1028         p += 8;
1029         put_long_date_timespec(p, m_timespec); /* write time */
1030         p += 8;
1031         put_long_date_timespec(p, m_timespec); /* change time */
1032         p += 8;
1033         SIVAL(p,0,fattr); /* File Attributes. */
1034         p += 4;
1035         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1036         p += 8;
1037         SOFF_T(p,0,file_len);
1038         p += 8;
1039         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1040                 SSVAL(p,2,0x7);
1041         }
1042         p += 4;
1043         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1044
1045         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1046                 uint32 perms = 0;
1047                 p += 25;
1048                 if (fsp->is_directory
1049                     || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
1050                         perms = FILE_GENERIC_ALL;
1051                 } else {
1052                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
1053                 }
1054                 SIVAL(p,0,perms);
1055         }
1056
1057         DEBUG(5,("call_nt_transact_create: open name = %s\n", fsp->fsp_name));
1058
1059         /* Send the required number of replies */
1060         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1061
1062         return;
1063 }
1064
1065 /****************************************************************************
1066  Reply to a NT CANCEL request.
1067  conn POINTER CAN BE NULL HERE !
1068 ****************************************************************************/
1069
1070 void reply_ntcancel(struct smb_request *req)
1071 {
1072         /*
1073          * Go through and cancel any pending change notifies.
1074          */
1075
1076         START_PROFILE(SMBntcancel);
1077         remove_pending_change_notify_requests_by_mid(req->mid);
1078         remove_pending_lock_requests_by_mid(req->mid);
1079         srv_cancel_sign_response(req->mid);
1080
1081         DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1082
1083         END_PROFILE(SMBntcancel);
1084         return;
1085 }
1086
1087 /****************************************************************************
1088  Copy a file.
1089 ****************************************************************************/
1090
1091 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1092                                 connection_struct *conn,
1093                                 struct smb_request *req,
1094                                 const char *oldname_in,
1095                                 const char *newname_in,
1096                                 uint32 attrs)
1097 {
1098         SMB_STRUCT_STAT sbuf1, sbuf2;
1099         char *oldname = NULL;
1100         char *newname = NULL;
1101         char *last_component_oldname = NULL;
1102         char *last_component_newname = NULL;
1103         files_struct *fsp1,*fsp2;
1104         uint32 fattr;
1105         int info;
1106         SMB_OFF_T ret=-1;
1107         NTSTATUS status = NT_STATUS_OK;
1108
1109         ZERO_STRUCT(sbuf1);
1110         ZERO_STRUCT(sbuf2);
1111
1112         if (!CAN_WRITE(conn)) {
1113                 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1114         }
1115
1116         status = unix_convert(ctx, conn, oldname_in, False, &oldname,
1117                         &last_component_oldname, &sbuf1);
1118         if (!NT_STATUS_IS_OK(status)) {
1119                 return status;
1120         }
1121
1122         status = check_name(conn, oldname);
1123         if (!NT_STATUS_IS_OK(status)) {
1124                 return status;
1125         }
1126
1127         /* Source must already exist. */
1128         if (!VALID_STAT(sbuf1)) {
1129                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1130         }
1131         /* Ensure attributes match. */
1132         fattr = dos_mode(conn,oldname,&sbuf1);
1133         if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1134                 return NT_STATUS_NO_SUCH_FILE;
1135         }
1136
1137         status = unix_convert(ctx, conn, newname_in, False, &newname,
1138                         &last_component_newname, &sbuf2);
1139         if (!NT_STATUS_IS_OK(status)) {
1140                 return status;
1141         }
1142
1143         status = check_name(conn, newname);
1144         if (!NT_STATUS_IS_OK(status)) {
1145                 return status;
1146         }
1147
1148         /* Disallow if newname already exists. */
1149         if (VALID_STAT(sbuf2)) {
1150                 return NT_STATUS_OBJECT_NAME_COLLISION;
1151         }
1152
1153         /* No links from a directory. */
1154         if (S_ISDIR(sbuf1.st_mode)) {
1155                 return NT_STATUS_FILE_IS_A_DIRECTORY;
1156         }
1157
1158         /* Ensure this is within the share. */
1159         status = check_reduced_name(conn, oldname);
1160         if (!NT_STATUS_IS_OK(status)) {
1161                 return status;
1162         }
1163
1164         DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1165                                 oldname, newname));
1166
1167         status = open_file_ntcreate(conn, req, oldname, &sbuf1,
1168                         FILE_READ_DATA, /* Read-only. */
1169                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1170                         FILE_OPEN,
1171                         0, /* No create options. */
1172                         FILE_ATTRIBUTE_NORMAL,
1173                         NO_OPLOCK,
1174                         &info, &fsp1);
1175
1176         if (!NT_STATUS_IS_OK(status)) {
1177                 return status;
1178         }
1179
1180         status = open_file_ntcreate(conn, req, newname, &sbuf2,
1181                         FILE_WRITE_DATA, /* Read-only. */
1182                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1183                         FILE_CREATE,
1184                         0, /* No create options. */
1185                         fattr,
1186                         NO_OPLOCK,
1187                         &info, &fsp2);
1188
1189         if (!NT_STATUS_IS_OK(status)) {
1190                 close_file(fsp1,ERROR_CLOSE);
1191                 return status;
1192         }
1193
1194         if (sbuf1.st_size) {
1195                 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1196         }
1197
1198         /*
1199          * As we are opening fsp1 read-only we only expect
1200          * an error on close on fsp2 if we are out of space.
1201          * Thus we don't look at the error return from the
1202          * close of fsp1.
1203          */
1204         close_file(fsp1,NORMAL_CLOSE);
1205
1206         /* Ensure the modtime is set correctly on the destination file. */
1207         set_close_write_time(fsp2, get_mtimespec(&sbuf1));
1208
1209         status = close_file(fsp2,NORMAL_CLOSE);
1210
1211         /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1212            creates the file. This isn't the correct thing to do in the copy
1213            case. JRA */
1214         file_set_dosmode(conn, newname, fattr, &sbuf2,
1215                          parent_dirname(newname),false);
1216
1217         if (ret < (SMB_OFF_T)sbuf1.st_size) {
1218                 return NT_STATUS_DISK_FULL;
1219         }
1220
1221         if (!NT_STATUS_IS_OK(status)) {
1222                 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1223                         nt_errstr(status), oldname, newname));
1224         }
1225         return status;
1226 }
1227
1228 /****************************************************************************
1229  Reply to a NT rename request.
1230 ****************************************************************************/
1231
1232 void reply_ntrename(struct smb_request *req)
1233 {
1234         connection_struct *conn = req->conn;
1235         char *oldname = NULL;
1236         char *newname = NULL;
1237         char *p;
1238         NTSTATUS status;
1239         bool src_has_wcard = False;
1240         bool dest_has_wcard = False;
1241         uint32 attrs;
1242         uint16 rename_type;
1243         TALLOC_CTX *ctx = talloc_tos();
1244
1245         START_PROFILE(SMBntrename);
1246
1247         if (req->wct < 4) {
1248                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1249                 END_PROFILE(SMBntrename);
1250                 return;
1251         }
1252
1253         attrs = SVAL(req->inbuf,smb_vwv0);
1254         rename_type = SVAL(req->inbuf,smb_vwv1);
1255
1256         p = smb_buf(req->inbuf) + 1;
1257         p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &oldname, p,
1258                                    0, STR_TERMINATE, &status,
1259                                    &src_has_wcard);
1260         if (!NT_STATUS_IS_OK(status)) {
1261                 reply_nterror(req, status);
1262                 END_PROFILE(SMBntrename);
1263                 return;
1264         }
1265
1266         if (ms_has_wild(oldname)) {
1267                 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1268                 END_PROFILE(SMBntrename);
1269                 return;
1270         }
1271
1272         p++;
1273         p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &newname, p,
1274                                    0, STR_TERMINATE, &status,
1275                                    &dest_has_wcard);
1276         if (!NT_STATUS_IS_OK(status)) {
1277                 reply_nterror(req, status);
1278                 END_PROFILE(SMBntrename);
1279                 return;
1280         }
1281
1282         status = resolve_dfspath(ctx, conn,
1283                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
1284                                 oldname,
1285                                 &oldname);
1286         if (!NT_STATUS_IS_OK(status)) {
1287                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1288                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1289                                         ERRSRV, ERRbadpath);
1290                         END_PROFILE(SMBntrename);
1291                         return;
1292                 }
1293                 reply_nterror(req, status);
1294                 END_PROFILE(SMBntrename);
1295                 return;
1296         }
1297
1298         status = resolve_dfspath(ctx, conn,
1299                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
1300                                 newname,
1301                                 &newname);
1302         if (!NT_STATUS_IS_OK(status)) {
1303                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1304                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1305                                         ERRSRV, ERRbadpath);
1306                         END_PROFILE(SMBntrename);
1307                         return;
1308                 }
1309                 reply_nterror(req, status);
1310                 END_PROFILE(SMBntrename);
1311                 return;
1312         }
1313
1314         /* The new name must begin with a ':' if the old name is a stream. */
1315         if (is_ntfs_stream_name(oldname) && (newname[0] != ':')) {
1316                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1317                 END_PROFILE(SMBntrename);
1318                 return;
1319         }
1320
1321         DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1322
1323         switch(rename_type) {
1324                 case RENAME_FLAG_RENAME:
1325                         status = rename_internals(ctx, conn, req, oldname,
1326                                         newname, attrs, False, src_has_wcard,
1327                                         dest_has_wcard, DELETE_ACCESS);
1328                         break;
1329                 case RENAME_FLAG_HARD_LINK:
1330                         if (src_has_wcard || dest_has_wcard) {
1331                                 /* No wildcards. */
1332                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1333                         } else {
1334                                 status = hardlink_internals(ctx,
1335                                                 conn,
1336                                                 oldname,
1337                                                 newname);
1338                         }
1339                         break;
1340                 case RENAME_FLAG_COPY:
1341                         if (src_has_wcard || dest_has_wcard) {
1342                                 /* No wildcards. */
1343                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1344                         } else {
1345                                 status = copy_internals(ctx, conn, req, oldname,
1346                                                         newname, attrs);
1347                         }
1348                         break;
1349                 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1350                         status = NT_STATUS_INVALID_PARAMETER;
1351                         break;
1352                 default:
1353                         status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1354                         break;
1355         }
1356
1357         if (!NT_STATUS_IS_OK(status)) {
1358                 if (open_was_deferred(req->mid)) {
1359                         /* We have re-scheduled this call. */
1360                         END_PROFILE(SMBntrename);
1361                         return;
1362                 }
1363
1364                 reply_nterror(req, status);
1365                 END_PROFILE(SMBntrename);
1366                 return;
1367         }
1368
1369         reply_outbuf(req, 0, 0);
1370
1371         END_PROFILE(SMBntrename);
1372         return;
1373 }
1374
1375 /****************************************************************************
1376  Reply to a notify change - queue the request and
1377  don't allow a directory to be opened.
1378 ****************************************************************************/
1379
1380 static void call_nt_transact_notify_change(connection_struct *conn,
1381                                            struct smb_request *req,
1382                                            uint16 **ppsetup,
1383                                            uint32 setup_count,
1384                                            char **ppparams,
1385                                            uint32 parameter_count,
1386                                            char **ppdata, uint32 data_count,
1387                                            uint32 max_data_count,
1388                                            uint32 max_param_count)
1389 {
1390         uint16 *setup = *ppsetup;
1391         files_struct *fsp;
1392         uint32 filter;
1393         NTSTATUS status;
1394         bool recursive;
1395
1396         if(setup_count < 6) {
1397                 reply_doserror(req, ERRDOS, ERRbadfunc);
1398                 return;
1399         }
1400
1401         fsp = file_fsp(SVAL(setup,4));
1402         filter = IVAL(setup, 0);
1403         recursive = (SVAL(setup, 6) != 0) ? True : False;
1404
1405         DEBUG(3,("call_nt_transact_notify_change\n"));
1406
1407         if(!fsp) {
1408                 reply_doserror(req, ERRDOS, ERRbadfid);
1409                 return;
1410         }
1411
1412         {
1413                 char *filter_string;
1414
1415                 if (!(filter_string = notify_filter_string(NULL, filter))) {
1416                         reply_nterror(req,NT_STATUS_NO_MEMORY);
1417                         return;
1418                 }
1419
1420                 DEBUG(3,("call_nt_transact_notify_change: notify change "
1421                          "called on %s, filter = %s, recursive = %d\n",
1422                          fsp->fsp_name, filter_string, recursive));
1423
1424                 TALLOC_FREE(filter_string);
1425         }
1426
1427         if((!fsp->is_directory) || (conn != fsp->conn)) {
1428                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1429                 return;
1430         }
1431
1432         if (fsp->notify == NULL) {
1433
1434                 status = change_notify_create(fsp, filter, recursive);
1435
1436                 if (!NT_STATUS_IS_OK(status)) {
1437                         DEBUG(10, ("change_notify_create returned %s\n",
1438                                    nt_errstr(status)));
1439                         reply_nterror(req, status);
1440                         return;
1441                 }
1442         }
1443
1444         if (fsp->notify->num_changes != 0) {
1445
1446                 /*
1447                  * We've got changes pending, respond immediately
1448                  */
1449
1450                 /*
1451                  * TODO: write a torture test to check the filtering behaviour
1452                  * here.
1453                  */
1454
1455                 change_notify_reply(fsp->conn, req->inbuf, max_param_count, fsp->notify);
1456
1457                 /*
1458                  * change_notify_reply() above has independently sent its
1459                  * results
1460                  */
1461                 return;
1462         }
1463
1464         /*
1465          * No changes pending, queue the request
1466          */
1467
1468         status = change_notify_add_request(req,
1469                         max_param_count,
1470                         filter,
1471                         recursive, fsp);
1472         if (!NT_STATUS_IS_OK(status)) {
1473                 reply_nterror(req, status);
1474         }
1475         return;
1476 }
1477
1478 /****************************************************************************
1479  Reply to an NT transact rename command.
1480 ****************************************************************************/
1481
1482 static void call_nt_transact_rename(connection_struct *conn,
1483                                     struct smb_request *req,
1484                                     uint16 **ppsetup, uint32 setup_count,
1485                                     char **ppparams, uint32 parameter_count,
1486                                     char **ppdata, uint32 data_count,
1487                                     uint32 max_data_count)
1488 {
1489         char *params = *ppparams;
1490         char *new_name = NULL;
1491         files_struct *fsp = NULL;
1492         bool dest_has_wcard = False;
1493         NTSTATUS status;
1494         TALLOC_CTX *ctx = talloc_tos();
1495
1496         if(parameter_count < 5) {
1497                 reply_doserror(req, ERRDOS, ERRbadfunc);
1498                 return;
1499         }
1500
1501         fsp = file_fsp(SVAL(params, 0));
1502         if (!check_fsp(conn, req, fsp)) {
1503                 return;
1504         }
1505         srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1506                               parameter_count - 4,
1507                               STR_TERMINATE, &status, &dest_has_wcard);
1508         if (!NT_STATUS_IS_OK(status)) {
1509                 reply_nterror(req, status);
1510                 return;
1511         }
1512
1513         /*
1514          * W2K3 ignores this request as the RAW-RENAME test
1515          * demonstrates, so we do.
1516          */
1517         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1518
1519         DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1520                  fsp->fsp_name, new_name));
1521
1522         return;
1523 }
1524
1525 /******************************************************************************
1526  Fake up a completely empty SD.
1527 *******************************************************************************/
1528
1529 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1530 {
1531         size_t sd_size;
1532
1533         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1534         if(!*ppsd) {
1535                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1536                 return NT_STATUS_NO_MEMORY;
1537         }
1538
1539         return NT_STATUS_OK;
1540 }
1541
1542 /****************************************************************************
1543  Reply to query a security descriptor.
1544 ****************************************************************************/
1545
1546 static void call_nt_transact_query_security_desc(connection_struct *conn,
1547                                                  struct smb_request *req,
1548                                                  uint16 **ppsetup,
1549                                                  uint32 setup_count,
1550                                                  char **ppparams,
1551                                                  uint32 parameter_count,
1552                                                  char **ppdata,
1553                                                  uint32 data_count,
1554                                                  uint32 max_data_count)
1555 {
1556         char *params = *ppparams;
1557         char *data = *ppdata;
1558         SEC_DESC *psd = NULL;
1559         size_t sd_size;
1560         uint32 security_info_wanted;
1561         files_struct *fsp = NULL;
1562         NTSTATUS status;
1563         DATA_BLOB blob;
1564
1565         if(parameter_count < 8) {
1566                 reply_doserror(req, ERRDOS, ERRbadfunc);
1567                 return;
1568         }
1569
1570         fsp = file_fsp(SVAL(params,0));
1571         if(!fsp) {
1572                 reply_doserror(req, ERRDOS, ERRbadfid);
1573                 return;
1574         }
1575
1576         security_info_wanted = IVAL(params,4);
1577
1578         DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
1579                         (unsigned int)security_info_wanted ));
1580
1581         params = nttrans_realloc(ppparams, 4);
1582         if(params == NULL) {
1583                 reply_doserror(req, ERRDOS, ERRnomem);
1584                 return;
1585         }
1586
1587         /*
1588          * Get the permissions to return.
1589          */
1590
1591         if (!lp_nt_acl_support(SNUM(conn))) {
1592                 status = get_null_nt_acl(talloc_tos(), &psd);
1593         } else {
1594                 status = SMB_VFS_FGET_NT_ACL(
1595                         fsp, security_info_wanted, &psd);
1596         }
1597         if (!NT_STATUS_IS_OK(status)) {
1598                 reply_nterror(req, status);
1599                 return;
1600         }
1601
1602         /* If the SACL/DACL is NULL, but was requested, we mark that it is
1603          * present in the reply to match Windows behavior */
1604         if (psd->sacl == NULL &&
1605             security_info_wanted & SACL_SECURITY_INFORMATION)
1606                 psd->type |= SEC_DESC_SACL_PRESENT;
1607         if (psd->dacl == NULL &&
1608             security_info_wanted & DACL_SECURITY_INFORMATION)
1609                 psd->type |= SEC_DESC_DACL_PRESENT;
1610
1611         sd_size = ndr_size_security_descriptor(psd, 0);
1612
1613         DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1614
1615         if (DEBUGLEVEL >= 10) {
1616                 DEBUG(10,("call_nt_transact_query_security_desc for file %s\n", fsp->fsp_name ));
1617                 NDR_PRINT_DEBUG(security_descriptor, psd);
1618         }
1619
1620         SIVAL(params,0,(uint32)sd_size);
1621
1622         if (max_data_count < sd_size) {
1623                 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1624                                 params, 4, *ppdata, 0);
1625                 return;
1626         }
1627
1628         /*
1629          * Allocate the data we will point this at.
1630          */
1631
1632         data = nttrans_realloc(ppdata, sd_size);
1633         if(data == NULL) {
1634                 reply_doserror(req, ERRDOS, ERRnomem);
1635                 return;
1636         }
1637
1638         status = marshall_sec_desc(talloc_tos(), psd,
1639                                    &blob.data, &blob.length);
1640
1641         if (!NT_STATUS_IS_OK(status)) {
1642                 reply_nterror(req, status);
1643                 return;
1644         }
1645
1646         SMB_ASSERT(sd_size == blob.length);
1647         memcpy(data, blob.data, sd_size);
1648
1649         send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1650
1651         return;
1652 }
1653
1654 /****************************************************************************
1655  Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1656 ****************************************************************************/
1657
1658 static void call_nt_transact_set_security_desc(connection_struct *conn,
1659                                                struct smb_request *req,
1660                                                uint16 **ppsetup,
1661                                                uint32 setup_count,
1662                                                char **ppparams,
1663                                                uint32 parameter_count,
1664                                                char **ppdata,
1665                                                uint32 data_count,
1666                                                uint32 max_data_count)
1667 {
1668         char *params= *ppparams;
1669         char *data = *ppdata;
1670         files_struct *fsp = NULL;
1671         uint32 security_info_sent = 0;
1672         NTSTATUS status;
1673
1674         if(parameter_count < 8) {
1675                 reply_doserror(req, ERRDOS, ERRbadfunc);
1676                 return;
1677         }
1678
1679         if((fsp = file_fsp(SVAL(params,0))) == NULL) {
1680                 reply_doserror(req, ERRDOS, ERRbadfid);
1681                 return;
1682         }
1683
1684         if(!lp_nt_acl_support(SNUM(conn))) {
1685                 goto done;
1686         }
1687
1688         security_info_sent = IVAL(params,4);
1689
1690         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
1691                 (unsigned int)security_info_sent ));
1692
1693         if (data_count == 0) {
1694                 reply_doserror(req, ERRDOS, ERRnoaccess);
1695                 return;
1696         }
1697
1698         status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
1699
1700         if (!NT_STATUS_IS_OK(status)) {
1701                 reply_nterror(req, status);
1702                 return;
1703         }
1704
1705   done:
1706         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1707         return;
1708 }
1709
1710 /****************************************************************************
1711  Reply to NT IOCTL
1712 ****************************************************************************/
1713
1714 static void call_nt_transact_ioctl(connection_struct *conn,
1715                                    struct smb_request *req,
1716                                    uint16 **ppsetup, uint32 setup_count,
1717                                    char **ppparams, uint32 parameter_count,
1718                                    char **ppdata, uint32 data_count,
1719                                    uint32 max_data_count)
1720 {
1721         uint32 function;
1722         uint16 fidnum;
1723         files_struct *fsp;
1724         uint8 isFSctl;
1725         uint8 compfilter;
1726         static bool logged_message;
1727         char *pdata = *ppdata;
1728
1729         if (setup_count != 8) {
1730                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1731                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1732                 return;
1733         }
1734
1735         function = IVAL(*ppsetup, 0);
1736         fidnum = SVAL(*ppsetup, 4);
1737         isFSctl = CVAL(*ppsetup, 6);
1738         compfilter = CVAL(*ppsetup, 7);
1739
1740         DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
1741                  function, fidnum, isFSctl, compfilter));
1742
1743         fsp=file_fsp(fidnum);
1744         /* this check is done in each implemented function case for now
1745            because I don't want to break anything... --metze
1746         FSP_BELONGS_CONN(fsp,conn);*/
1747
1748         switch (function) {
1749         case FSCTL_SET_SPARSE:
1750                 /* pretend this succeeded - tho strictly we should
1751                    mark the file sparse (if the local fs supports it)
1752                    so we can know if we need to pre-allocate or not */
1753
1754                 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
1755                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1756                 return;
1757
1758         case FSCTL_CREATE_OR_GET_OBJECT_ID:
1759         {
1760                 unsigned char objid[16];
1761
1762                 /* This should return the object-id on this file.
1763                  * I think I'll make this be the inode+dev. JRA.
1764                  */
1765
1766                 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
1767
1768                 if (!fsp_belongs_conn(conn, req, fsp)) {
1769                         return;
1770                 }
1771
1772                 data_count = 64;
1773                 pdata = nttrans_realloc(ppdata, data_count);
1774                 if (pdata == NULL) {
1775                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1776                         return;
1777                 }
1778                 push_file_id_16(pdata, &fsp->file_id);
1779                 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
1780                 push_file_id_16(pdata+32, &fsp->file_id);
1781                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1782                                 pdata, data_count);
1783                 return;
1784         }
1785
1786         case FSCTL_GET_REPARSE_POINT:
1787                 /* pretend this fail - my winXP does it like this
1788                  * --metze
1789                  */
1790
1791                 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1792                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1793                 return;
1794
1795         case FSCTL_SET_REPARSE_POINT:
1796                 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
1797                  * --metze
1798                  */
1799
1800                 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1801                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1802                 return;
1803
1804         case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
1805         {
1806                 /*
1807                  * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
1808                  * and return their volume names.  If max_data_count is 16, then it is just
1809                  * asking for the number of volumes and length of the combined names.
1810                  *
1811                  * pdata is the data allocated by our caller, but that uses
1812                  * total_data_count (which is 0 in our case) rather than max_data_count.
1813                  * Allocate the correct amount and return the pointer to let
1814                  * it be deallocated when we return.
1815                  */
1816                 SHADOW_COPY_DATA *shadow_data = NULL;
1817                 TALLOC_CTX *shadow_mem_ctx = NULL;
1818                 bool labels = False;
1819                 uint32 labels_data_count = 0;
1820                 uint32 i;
1821                 char *cur_pdata;
1822
1823                 if (!fsp_belongs_conn(conn, req, fsp)) {
1824                         return;
1825                 }
1826
1827                 if (max_data_count < 16) {
1828                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
1829                                 max_data_count));
1830                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1831                         return;
1832                 }
1833
1834                 if (max_data_count > 16) {
1835                         labels = True;
1836                 }
1837
1838                 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
1839                 if (shadow_mem_ctx == NULL) {
1840                         DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
1841                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1842                         return;
1843                 }
1844
1845                 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
1846                 if (shadow_data == NULL) {
1847                         DEBUG(0,("TALLOC_ZERO() failed!\n"));
1848                         talloc_destroy(shadow_mem_ctx);
1849                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1850                         return;
1851                 }
1852
1853                 shadow_data->mem_ctx = shadow_mem_ctx;
1854
1855                 /*
1856                  * Call the VFS routine to actually do the work.
1857                  */
1858                 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
1859                         talloc_destroy(shadow_data->mem_ctx);
1860                         if (errno == ENOSYS) {
1861                                 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
1862                                         conn->connectpath));
1863                                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1864                                 return;
1865                         } else {
1866                                 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
1867                                         conn->connectpath));
1868                                 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
1869                                 return;
1870                         }
1871                 }
1872
1873                 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
1874
1875                 if (!labels) {
1876                         data_count = 16;
1877                 } else {
1878                         data_count = 12+labels_data_count+4;
1879                 }
1880
1881                 if (max_data_count<data_count) {
1882                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
1883                                 max_data_count,data_count));
1884                         talloc_destroy(shadow_data->mem_ctx);
1885                         reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
1886                         return;
1887                 }
1888
1889                 pdata = nttrans_realloc(ppdata, data_count);
1890                 if (pdata == NULL) {
1891                         talloc_destroy(shadow_data->mem_ctx);
1892                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1893                         return;
1894                 }
1895
1896                 cur_pdata = pdata;
1897
1898                 /* num_volumes 4 bytes */
1899                 SIVAL(pdata,0,shadow_data->num_volumes);
1900
1901                 if (labels) {
1902                         /* num_labels 4 bytes */
1903                         SIVAL(pdata,4,shadow_data->num_volumes);
1904                 }
1905
1906                 /* needed_data_count 4 bytes */
1907                 SIVAL(pdata,8,labels_data_count);
1908
1909                 cur_pdata+=12;
1910
1911                 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
1912                         shadow_data->num_volumes,fsp->fsp_name));
1913                 if (labels && shadow_data->labels) {
1914                         for (i=0;i<shadow_data->num_volumes;i++) {
1915                                 srvstr_push(pdata, req->flags2,
1916                                             cur_pdata, shadow_data->labels[i],
1917                                             2*sizeof(SHADOW_COPY_LABEL),
1918                                             STR_UNICODE|STR_TERMINATE);
1919                                 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
1920                                 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
1921                         }
1922                 }
1923
1924                 talloc_destroy(shadow_data->mem_ctx);
1925
1926                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1927                                 pdata, data_count);
1928
1929                 return;
1930         }
1931
1932         case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
1933         {
1934                 /* pretend this succeeded -
1935                  *
1936                  * we have to send back a list with all files owned by this SID
1937                  *
1938                  * but I have to check that --metze
1939                  */
1940                 DOM_SID sid;
1941                 uid_t uid;
1942                 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
1943
1944                 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
1945
1946                 if (!fsp_belongs_conn(conn, req, fsp)) {
1947                         return;
1948                 }
1949
1950                 /* unknown 4 bytes: this is not the length of the sid :-(  */
1951                 /*unknown = IVAL(pdata,0);*/
1952
1953                 sid_parse(pdata+4,sid_len,&sid);
1954                 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
1955
1956                 if (!sid_to_uid(&sid, &uid)) {
1957                         DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
1958                                  sid_string_dbg(&sid),
1959                                  (unsigned long)sid_len));
1960                         uid = (-1);
1961                 }
1962
1963                 /* we can take a look at the find source :-)
1964                  *
1965                  * find ./ -uid $uid  -name '*'   is what we need here
1966                  *
1967                  *
1968                  * and send 4bytes len and then NULL terminated unicode strings
1969                  * for each file
1970                  *
1971                  * but I don't know how to deal with the paged results
1972                  * (maybe we can hang the result anywhere in the fsp struct)
1973                  *
1974                  * we don't send all files at once
1975                  * and at the next we should *not* start from the beginning,
1976                  * so we have to cache the result
1977                  *
1978                  * --metze
1979                  */
1980
1981                 /* this works for now... */
1982                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1983                 return;
1984         }
1985         default:
1986                 if (!logged_message) {
1987                         logged_message = True; /* Only print this once... */
1988                         DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
1989                                  function));
1990                 }
1991         }
1992
1993         reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1994 }
1995
1996
1997 #ifdef HAVE_SYS_QUOTAS
1998 /****************************************************************************
1999  Reply to get user quota
2000 ****************************************************************************/
2001
2002 static void call_nt_transact_get_user_quota(connection_struct *conn,
2003                                             struct smb_request *req,
2004                                             uint16 **ppsetup,
2005                                             uint32 setup_count,
2006                                             char **ppparams,
2007                                             uint32 parameter_count,
2008                                             char **ppdata,
2009                                             uint32 data_count,
2010                                             uint32 max_data_count)
2011 {
2012         NTSTATUS nt_status = NT_STATUS_OK;
2013         char *params = *ppparams;
2014         char *pdata = *ppdata;
2015         char *entry;
2016         int data_len=0,param_len=0;
2017         int qt_len=0;
2018         int entry_len = 0;
2019         files_struct *fsp = NULL;
2020         uint16 level = 0;
2021         size_t sid_len;
2022         DOM_SID sid;
2023         bool start_enum = True;
2024         SMB_NTQUOTA_STRUCT qt;
2025         SMB_NTQUOTA_LIST *tmp_list;
2026         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2027
2028         ZERO_STRUCT(qt);
2029
2030         /* access check */
2031         if (conn->server_info->utok.uid != 0) {
2032                 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2033                          "[%s]\n", lp_servicename(SNUM(conn)),
2034                          conn->server_info->unix_name));
2035                 reply_doserror(req, ERRDOS, ERRnoaccess);
2036                 return;
2037         }
2038
2039         /*
2040          * Ensure minimum number of parameters sent.
2041          */
2042
2043         if (parameter_count < 4) {
2044                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2045                 reply_doserror(req, ERRDOS, ERRinvalidparam);
2046                 return;
2047         }
2048
2049         /* maybe we can check the quota_fnum */
2050         fsp = file_fsp(SVAL(params,0));
2051         if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2052                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2053                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2054                 return;
2055         }
2056
2057         /* the NULL pointer checking for fsp->fake_file_handle->pd
2058          * is done by CHECK_NTQUOTA_HANDLE_OK()
2059          */
2060         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2061
2062         level = SVAL(params,2);
2063
2064         /* unknown 12 bytes leading in params */
2065
2066         switch (level) {
2067                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2068                         /* seems that we should continue with the enum here --metze */
2069
2070                         if (qt_handle->quota_list!=NULL &&
2071                             qt_handle->tmp_list==NULL) {
2072
2073                                 /* free the list */
2074                                 free_ntquota_list(&(qt_handle->quota_list));
2075
2076                                 /* Realloc the size of parameters and data we will return */
2077                                 param_len = 4;
2078                                 params = nttrans_realloc(ppparams, param_len);
2079                                 if(params == NULL) {
2080                                         reply_doserror(req, ERRDOS, ERRnomem);
2081                                         return;
2082                                 }
2083
2084                                 data_len = 0;
2085                                 SIVAL(params,0,data_len);
2086
2087                                 break;
2088                         }
2089
2090                         start_enum = False;
2091
2092                 case TRANSACT_GET_USER_QUOTA_LIST_START:
2093
2094                         if (qt_handle->quota_list==NULL &&
2095                                 qt_handle->tmp_list==NULL) {
2096                                 start_enum = True;
2097                         }
2098
2099                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2100                                 reply_doserror(req, ERRSRV, ERRerror);
2101                                 return;
2102                         }
2103
2104                         /* Realloc the size of parameters and data we will return */
2105                         param_len = 4;
2106                         params = nttrans_realloc(ppparams, param_len);
2107                         if(params == NULL) {
2108                                 reply_doserror(req, ERRDOS, ERRnomem);
2109                                 return;
2110                         }
2111
2112                         /* we should not trust the value in max_data_count*/
2113                         max_data_count = MIN(max_data_count,2048);
2114
2115                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2116                         if(pdata == NULL) {
2117                                 reply_doserror(req, ERRDOS, ERRnomem);
2118                                 return;
2119                         }
2120
2121                         entry = pdata;
2122
2123                         /* set params Size of returned Quota Data 4 bytes*/
2124                         /* but set it later when we know it */
2125
2126                         /* for each entry push the data */
2127
2128                         if (start_enum) {
2129                                 qt_handle->tmp_list = qt_handle->quota_list;
2130                         }
2131
2132                         tmp_list = qt_handle->tmp_list;
2133
2134                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2135                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2136
2137                                 sid_len = ndr_size_dom_sid(
2138                                         &tmp_list->quotas->sid, 0);
2139                                 entry_len = 40 + sid_len;
2140
2141                                 /* nextoffset entry 4 bytes */
2142                                 SIVAL(entry,0,entry_len);
2143
2144                                 /* then the len of the SID 4 bytes */
2145                                 SIVAL(entry,4,sid_len);
2146
2147                                 /* unknown data 8 bytes SMB_BIG_UINT */
2148                                 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2149
2150                                 /* the used disk space 8 bytes SMB_BIG_UINT */
2151                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2152
2153                                 /* the soft quotas 8 bytes SMB_BIG_UINT */
2154                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2155
2156                                 /* the hard quotas 8 bytes SMB_BIG_UINT */
2157                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2158
2159                                 /* and now the SID */
2160                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2161                         }
2162
2163                         qt_handle->tmp_list = tmp_list;
2164
2165                         /* overwrite the offset of the last entry */
2166                         SIVAL(entry-entry_len,0,0);
2167
2168                         data_len = 4+qt_len;
2169                         /* overwrite the params quota_data_len */
2170                         SIVAL(params,0,data_len);
2171
2172                         break;
2173
2174                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2175
2176                         /* unknown 4 bytes IVAL(pdata,0) */
2177
2178                         if (data_count < 8) {
2179                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2180                                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2181                                 return;
2182                         }
2183
2184                         sid_len = IVAL(pdata,4);
2185                         /* Ensure this is less than 1mb. */
2186                         if (sid_len > (1024*1024)) {
2187                                 reply_doserror(req, ERRDOS, ERRnomem);
2188                                 return;
2189                         }
2190
2191                         if (data_count < 8+sid_len) {
2192                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2193                                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2194                                 return;
2195                         }
2196
2197                         data_len = 4+40+sid_len;
2198
2199                         if (max_data_count < data_len) {
2200                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2201                                         max_data_count, data_len));
2202                                 param_len = 4;
2203                                 SIVAL(params,0,data_len);
2204                                 data_len = 0;
2205                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2206                                 break;
2207                         }
2208
2209                         sid_parse(pdata+8,sid_len,&sid);
2210
2211                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2212                                 ZERO_STRUCT(qt);
2213                                 /*
2214                                  * we have to return zero's in all fields
2215                                  * instead of returning an error here
2216                                  * --metze
2217                                  */
2218                         }
2219
2220                         /* Realloc the size of parameters and data we will return */
2221                         param_len = 4;
2222                         params = nttrans_realloc(ppparams, param_len);
2223                         if(params == NULL) {
2224                                 reply_doserror(req, ERRDOS, ERRnomem);
2225                                 return;
2226                         }
2227
2228                         pdata = nttrans_realloc(ppdata, data_len);
2229                         if(pdata == NULL) {
2230                                 reply_doserror(req, ERRDOS, ERRnomem);
2231                                 return;
2232                         }
2233
2234                         entry = pdata;
2235
2236                         /* set params Size of returned Quota Data 4 bytes*/
2237                         SIVAL(params,0,data_len);
2238
2239                         /* nextoffset entry 4 bytes */
2240                         SIVAL(entry,0,0);
2241
2242                         /* then the len of the SID 4 bytes */
2243                         SIVAL(entry,4,sid_len);
2244
2245                         /* unknown data 8 bytes SMB_BIG_UINT */
2246                         SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
2247
2248                         /* the used disk space 8 bytes SMB_BIG_UINT */
2249                         SBIG_UINT(entry,16,qt.usedspace);
2250
2251                         /* the soft quotas 8 bytes SMB_BIG_UINT */
2252                         SBIG_UINT(entry,24,qt.softlim);
2253
2254                         /* the hard quotas 8 bytes SMB_BIG_UINT */
2255                         SBIG_UINT(entry,32,qt.hardlim);
2256
2257                         /* and now the SID */
2258                         sid_linearize(entry+40, sid_len, &sid);
2259
2260                         break;
2261
2262                 default:
2263                         DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2264                         reply_doserror(req, ERRSRV, ERRerror);
2265                         return;
2266                         break;
2267         }
2268
2269         send_nt_replies(conn, req, nt_status, params, param_len,
2270                         pdata, data_len);
2271 }
2272
2273 /****************************************************************************
2274  Reply to set user quota
2275 ****************************************************************************/
2276
2277 static void call_nt_transact_set_user_quota(connection_struct *conn,
2278                                             struct smb_request *req,
2279                                             uint16 **ppsetup,
2280                                             uint32 setup_count,
2281                                             char **ppparams,
2282                                             uint32 parameter_count,
2283                                             char **ppdata,
2284                                             uint32 data_count,
2285                                             uint32 max_data_count)
2286 {
2287         char *params = *ppparams;
2288         char *pdata = *ppdata;
2289         int data_len=0,param_len=0;
2290         SMB_NTQUOTA_STRUCT qt;
2291         size_t sid_len;
2292         DOM_SID sid;
2293         files_struct *fsp = NULL;
2294
2295         ZERO_STRUCT(qt);
2296
2297         /* access check */
2298         if (conn->server_info->utok.uid != 0) {
2299                 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2300                          "[%s]\n", lp_servicename(SNUM(conn)),
2301                          conn->server_info->unix_name));
2302                 reply_doserror(req, ERRDOS, ERRnoaccess);
2303                 return;
2304         }
2305
2306         /*
2307          * Ensure minimum number of parameters sent.
2308          */
2309
2310         if (parameter_count < 2) {
2311                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2312                 reply_doserror(req, ERRDOS, ERRinvalidparam);
2313                 return;
2314         }
2315
2316         /* maybe we can check the quota_fnum */
2317         fsp = file_fsp(SVAL(params,0));
2318         if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2319                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2320                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2321                 return;
2322         }
2323
2324         if (data_count < 40) {
2325                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2326                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2327                 return;
2328         }
2329
2330         /* offset to next quota record.
2331          * 4 bytes IVAL(pdata,0)
2332          * unused here...
2333          */
2334
2335         /* sid len */
2336         sid_len = IVAL(pdata,4);
2337
2338         if (data_count < 40+sid_len) {
2339                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2340                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2341                 return;
2342         }
2343
2344         /* unknown 8 bytes in pdata
2345          * maybe its the change time in NTTIME
2346          */
2347
2348         /* the used space 8 bytes (SMB_BIG_UINT)*/
2349         qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
2350 #ifdef LARGE_SMB_OFF_T
2351         qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
2352 #else /* LARGE_SMB_OFF_T */
2353         if ((IVAL(pdata,20) != 0)&&
2354                 ((qt.usedspace != 0xFFFFFFFF)||
2355                 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2356                 /* more than 32 bits? */
2357                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2358                 return;
2359         }
2360 #endif /* LARGE_SMB_OFF_T */
2361
2362         /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
2363         qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
2364 #ifdef LARGE_SMB_OFF_T
2365         qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
2366 #else /* LARGE_SMB_OFF_T */
2367         if ((IVAL(pdata,28) != 0)&&
2368                 ((qt.softlim != 0xFFFFFFFF)||
2369                 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2370                 /* more than 32 bits? */
2371                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2372                 return;
2373         }
2374 #endif /* LARGE_SMB_OFF_T */
2375
2376         /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
2377         qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
2378 #ifdef LARGE_SMB_OFF_T
2379         qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
2380 #else /* LARGE_SMB_OFF_T */
2381         if ((IVAL(pdata,36) != 0)&&
2382                 ((qt.hardlim != 0xFFFFFFFF)||
2383                 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2384                 /* more than 32 bits? */
2385                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2386                 return;
2387         }
2388 #endif /* LARGE_SMB_OFF_T */
2389
2390         sid_parse(pdata+40,sid_len,&sid);
2391         DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2392
2393         /* 44 unknown bytes left... */
2394
2395         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2396                 reply_doserror(req, ERRSRV, ERRerror);
2397                 return;
2398         }
2399
2400         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2401                         pdata, data_len);
2402 }
2403 #endif /* HAVE_SYS_QUOTAS */
2404
2405 static void handle_nttrans(connection_struct *conn,
2406                            struct trans_state *state,
2407                            struct smb_request *req)
2408 {
2409         if (Protocol >= PROTOCOL_NT1) {
2410                 req->flags2 |= 0x40; /* IS_LONG_NAME */
2411                 SSVAL(req->inbuf,smb_flg2,req->flags2);
2412         }
2413
2414         /* Now we must call the relevant NT_TRANS function */
2415         switch(state->call) {
2416                 case NT_TRANSACT_CREATE:
2417                 {
2418                         START_PROFILE(NT_transact_create);
2419                         call_nt_transact_create(
2420                                 conn, req,
2421                                 &state->setup, state->setup_count,
2422                                 &state->param, state->total_param,
2423                                 &state->data, state->total_data,
2424                                 state->max_data_return);
2425                         END_PROFILE(NT_transact_create);
2426                         break;
2427                 }
2428
2429                 case NT_TRANSACT_IOCTL:
2430                 {
2431                         START_PROFILE(NT_transact_ioctl);
2432                         call_nt_transact_ioctl(
2433                                 conn, req,
2434                                 &state->setup, state->setup_count,
2435                                 &state->param, state->total_param,
2436                                 &state->data, state->total_data,
2437                                 state->max_data_return);
2438                         END_PROFILE(NT_transact_ioctl);
2439                         break;
2440                 }
2441
2442                 case NT_TRANSACT_SET_SECURITY_DESC:
2443                 {
2444                         START_PROFILE(NT_transact_set_security_desc);
2445                         call_nt_transact_set_security_desc(
2446                                 conn, req,
2447                                 &state->setup, state->setup_count,
2448                                 &state->param, state->total_param,
2449                                 &state->data, state->total_data,
2450                                 state->max_data_return);
2451                         END_PROFILE(NT_transact_set_security_desc);
2452                         break;
2453                 }
2454
2455                 case NT_TRANSACT_NOTIFY_CHANGE:
2456                 {
2457                         START_PROFILE(NT_transact_notify_change);
2458                         call_nt_transact_notify_change(
2459                                 conn, req,
2460                                 &state->setup, state->setup_count,
2461                                 &state->param, state->total_param,
2462                                 &state->data, state->total_data,
2463                                 state->max_data_return,
2464                                 state->max_param_return);
2465                         END_PROFILE(NT_transact_notify_change);
2466                         break;
2467                 }
2468
2469                 case NT_TRANSACT_RENAME:
2470                 {
2471                         START_PROFILE(NT_transact_rename);
2472                         call_nt_transact_rename(
2473                                 conn, req,
2474                                 &state->setup, state->setup_count,
2475                                 &state->param, state->total_param,
2476                                 &state->data, state->total_data,
2477                                 state->max_data_return);
2478                         END_PROFILE(NT_transact_rename);
2479                         break;
2480                 }
2481
2482                 case NT_TRANSACT_QUERY_SECURITY_DESC:
2483                 {
2484                         START_PROFILE(NT_transact_query_security_desc);
2485                         call_nt_transact_query_security_desc(
2486                                 conn, req,
2487                                 &state->setup, state->setup_count,
2488                                 &state->param, state->total_param,
2489                                 &state->data, state->total_data,
2490                                 state->max_data_return);
2491                         END_PROFILE(NT_transact_query_security_desc);
2492                         break;
2493                 }
2494
2495 #ifdef HAVE_SYS_QUOTAS
2496                 case NT_TRANSACT_GET_USER_QUOTA:
2497                 {
2498                         START_PROFILE(NT_transact_get_user_quota);
2499                         call_nt_transact_get_user_quota(
2500                                 conn, req,
2501                                 &state->setup, state->setup_count,
2502                                 &state->param, state->total_param,
2503                                 &state->data, state->total_data,
2504                                 state->max_data_return);
2505                         END_PROFILE(NT_transact_get_user_quota);
2506                         break;
2507                 }
2508
2509                 case NT_TRANSACT_SET_USER_QUOTA:
2510                 {
2511                         START_PROFILE(NT_transact_set_user_quota);
2512                         call_nt_transact_set_user_quota(
2513                                 conn, req,
2514                                 &state->setup, state->setup_count,
2515                                 &state->param, state->total_param,
2516                                 &state->data, state->total_data,
2517                                 state->max_data_return);
2518                         END_PROFILE(NT_transact_set_user_quota);
2519                         break;
2520                 }
2521 #endif /* HAVE_SYS_QUOTAS */
2522
2523                 default:
2524                         /* Error in request */
2525                         DEBUG(0,("handle_nttrans: Unknown request %d in "
2526                                  "nttrans call\n", state->call));
2527                         reply_doserror(req, ERRSRV, ERRerror);
2528                         return;
2529         }
2530         return;
2531 }
2532
2533 /****************************************************************************
2534  Reply to a SMBNTtrans.
2535 ****************************************************************************/
2536
2537 void reply_nttrans(struct smb_request *req)
2538 {
2539         connection_struct *conn = req->conn;
2540         uint32_t pscnt;
2541         uint32_t psoff;
2542         uint32_t dscnt;
2543         uint32_t dsoff;
2544         uint16 function_code;
2545         NTSTATUS result;
2546         struct trans_state *state;
2547         uint32_t size;
2548         uint32_t av_size;
2549
2550         START_PROFILE(SMBnttrans);
2551
2552         if (req->wct < 19) {
2553                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2554                 END_PROFILE(SMBnttrans);
2555                 return;
2556         }
2557
2558         size = smb_len(req->inbuf) + 4;
2559         av_size = smb_len(req->inbuf);
2560         pscnt = IVAL(req->inbuf,smb_nt_ParameterCount);
2561         psoff = IVAL(req->inbuf,smb_nt_ParameterOffset);
2562         dscnt = IVAL(req->inbuf,smb_nt_DataCount);
2563         dsoff = IVAL(req->inbuf,smb_nt_DataOffset);
2564         function_code = SVAL(req->inbuf, smb_nt_Function);
2565
2566         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2567                 reply_doserror(req, ERRSRV, ERRaccess);
2568                 END_PROFILE(SMBnttrans);
2569                 return;
2570         }
2571
2572         result = allow_new_trans(conn->pending_trans, req->mid);
2573         if (!NT_STATUS_IS_OK(result)) {
2574                 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2575                 reply_nterror(req, result);
2576                 END_PROFILE(SMBnttrans);
2577                 return;
2578         }
2579
2580         if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
2581                 reply_doserror(req, ERRSRV, ERRaccess);
2582                 END_PROFILE(SMBnttrans);
2583                 return;
2584         }
2585
2586         state->cmd = SMBnttrans;
2587
2588         state->mid = req->mid;
2589         state->vuid = req->vuid;
2590         state->total_data = IVAL(req->inbuf, smb_nt_TotalDataCount);
2591         state->data = NULL;
2592         state->total_param = IVAL(req->inbuf, smb_nt_TotalParameterCount);
2593         state->param = NULL;
2594         state->max_data_return = IVAL(req->inbuf,smb_nt_MaxDataCount);
2595         state->max_param_return = IVAL(req->inbuf,smb_nt_MaxParameterCount);
2596
2597         /* setup count is in *words* */
2598         state->setup_count = 2*CVAL(req->inbuf,smb_nt_SetupCount);
2599         state->setup = NULL;
2600         state->call = function_code;
2601
2602         /*
2603          * All nttrans messages we handle have smb_wct == 19 +
2604          * state->setup_count.  Ensure this is so as a sanity check.
2605          */
2606
2607         if(req->wct != 19 + (state->setup_count/2)) {
2608                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2609                          req->wct, 19 + (state->setup_count/2)));
2610                 goto bad_param;
2611         }
2612
2613         /* Don't allow more than 128mb for each value. */
2614         if ((state->total_data > (1024*1024*128)) ||
2615             (state->total_param > (1024*1024*128))) {
2616                 reply_doserror(req, ERRDOS, ERRnomem);
2617                 END_PROFILE(SMBnttrans);
2618                 return;
2619         }
2620
2621         if ((dscnt > state->total_data) || (pscnt > state->total_param))
2622                 goto bad_param;
2623
2624         if (state->total_data)  {
2625                 /* Can't use talloc here, the core routines do realloc on the
2626                  * params and data. */
2627                 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2628                         DEBUG(0,("reply_nttrans: data malloc fail for %u "
2629                                  "bytes !\n", (unsigned int)state->total_data));
2630                         TALLOC_FREE(state);
2631                         reply_doserror(req, ERRDOS, ERRnomem);
2632                         END_PROFILE(SMBnttrans);
2633                         return;
2634                 }
2635
2636                 if (dscnt > state->total_data ||
2637                                 dsoff+dscnt < dsoff) {
2638                         goto bad_param;
2639                 }
2640
2641                 if (dsoff > av_size ||
2642                                 dscnt > av_size ||
2643                                 dsoff+dscnt > av_size) {
2644                         goto bad_param;
2645                 }
2646
2647                 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2648         }
2649
2650         if (state->total_param) {
2651                 /* Can't use talloc here, the core routines do realloc on the
2652                  * params and data. */
2653                 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2654                         DEBUG(0,("reply_nttrans: param malloc fail for %u "
2655                                  "bytes !\n", (unsigned int)state->total_param));
2656                         SAFE_FREE(state->data);
2657                         TALLOC_FREE(state);
2658                         reply_doserror(req, ERRDOS, ERRnomem);
2659                         END_PROFILE(SMBnttrans);
2660                         return;
2661                 }
2662
2663                 if (pscnt > state->total_param ||
2664                                 psoff+pscnt < psoff) {
2665                         goto bad_param;
2666                 }
2667
2668                 if (psoff > av_size ||
2669                                 pscnt > av_size ||
2670                                 psoff+pscnt > av_size) {
2671                         goto bad_param;
2672                 }
2673
2674                 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2675         }
2676
2677         state->received_data  = dscnt;
2678         state->received_param = pscnt;
2679
2680         if(state->setup_count > 0) {
2681                 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2682                           state->setup_count));
2683                 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2684                 if (state->setup == NULL) {
2685                         DEBUG(0,("reply_nttrans : Out of memory\n"));
2686                         SAFE_FREE(state->data);
2687                         SAFE_FREE(state->param);
2688                         TALLOC_FREE(state);
2689                         reply_doserror(req, ERRDOS, ERRnomem);
2690                         END_PROFILE(SMBnttrans);
2691                         return;
2692                 }
2693
2694                 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
2695                     (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
2696                         goto bad_param;
2697                 }
2698                 if (smb_nt_SetupStart + state->setup_count > size) {
2699                         goto bad_param;
2700                 }
2701
2702                 memcpy( state->setup, &req->inbuf[smb_nt_SetupStart],
2703                         state->setup_count);
2704                 dump_data(10, (uint8 *)state->setup, state->setup_count);
2705         }
2706
2707         if ((state->received_data == state->total_data) &&
2708             (state->received_param == state->total_param)) {
2709                 handle_nttrans(conn, state, req);
2710                 SAFE_FREE(state->param);
2711                 SAFE_FREE(state->data);
2712                 TALLOC_FREE(state);
2713                 END_PROFILE(SMBnttrans);
2714                 return;
2715         }
2716
2717         DLIST_ADD(conn->pending_trans, state);
2718
2719         /* We need to send an interim response then receive the rest
2720            of the parameter/data bytes */
2721         reply_outbuf(req, 0, 0);
2722         show_msg((char *)req->outbuf);
2723         END_PROFILE(SMBnttrans);
2724         return;
2725
2726   bad_param:
2727
2728         DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2729         SAFE_FREE(state->data);
2730         SAFE_FREE(state->param);
2731         TALLOC_FREE(state);
2732         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2733         END_PROFILE(SMBnttrans);
2734         return;
2735 }
2736
2737 /****************************************************************************
2738  Reply to a SMBnttranss
2739  ****************************************************************************/
2740
2741 void reply_nttranss(struct smb_request *req)
2742 {
2743         connection_struct *conn = req->conn;
2744         uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
2745         struct trans_state *state;
2746         uint32_t av_size;
2747         uint32_t size;
2748
2749         START_PROFILE(SMBnttranss);
2750
2751         show_msg((char *)req->inbuf);
2752
2753         if (req->wct < 18) {
2754                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2755                 END_PROFILE(SMBnttranss);
2756                 return;
2757         }
2758
2759         for (state = conn->pending_trans; state != NULL;
2760              state = state->next) {
2761                 if (state->mid == req->mid) {
2762                         break;
2763                 }
2764         }
2765
2766         if ((state == NULL) || (state->cmd != SMBnttrans)) {
2767                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2768                 END_PROFILE(SMBnttranss);
2769                 return;
2770         }
2771
2772         /* Revise state->total_param and state->total_data in case they have
2773            changed downwards */
2774         if (IVAL(req->inbuf, smb_nts_TotalParameterCount)
2775             < state->total_param) {
2776                 state->total_param = IVAL(req->inbuf,
2777                                           smb_nts_TotalParameterCount);
2778         }
2779         if (IVAL(req->inbuf, smb_nts_TotalDataCount) < state->total_data) {
2780                 state->total_data = IVAL(req->inbuf, smb_nts_TotalDataCount);
2781         }
2782
2783         size = smb_len(req->inbuf) + 4;
2784         av_size = smb_len(req->inbuf);
2785
2786         pcnt = IVAL(req->inbuf,smb_nts_ParameterCount);
2787         poff = IVAL(req->inbuf, smb_nts_ParameterOffset);
2788         pdisp = IVAL(req->inbuf, smb_nts_ParameterDisplacement);
2789
2790         dcnt = IVAL(req->inbuf, smb_nts_DataCount);
2791         ddisp = IVAL(req->inbuf, smb_nts_DataDisplacement);
2792         doff = IVAL(req->inbuf, smb_nts_DataOffset);
2793
2794         state->received_param += pcnt;
2795         state->received_data += dcnt;
2796
2797         if ((state->received_data > state->total_data) ||
2798             (state->received_param > state->total_param))
2799                 goto bad_param;
2800
2801         if (pcnt) {
2802                 if (pdisp > state->total_param ||
2803                                 pcnt > state->total_param ||
2804                                 pdisp+pcnt > state->total_param ||
2805                                 pdisp+pcnt < pdisp) {
2806                         goto bad_param;
2807                 }
2808
2809                 if (poff > av_size ||
2810                                 pcnt > av_size ||
2811                                 poff+pcnt > av_size ||
2812                                 poff+pcnt < poff) {
2813                         goto bad_param;
2814                 }
2815
2816                 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,
2817                        pcnt);
2818         }
2819
2820         if (dcnt) {
2821                 if (ddisp > state->total_data ||
2822                                 dcnt > state->total_data ||
2823                                 ddisp+dcnt > state->total_data ||
2824                                 ddisp+dcnt < ddisp) {
2825                         goto bad_param;
2826                 }
2827
2828                 if (doff > av_size ||
2829                                 dcnt > av_size ||
2830                                 doff+dcnt > av_size ||
2831                                 doff+dcnt < doff) {
2832                         goto bad_param;
2833                 }
2834
2835                 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,
2836                        dcnt);
2837         }
2838
2839         if ((state->received_param < state->total_param) ||
2840             (state->received_data < state->total_data)) {
2841                 END_PROFILE(SMBnttranss);
2842                 return;
2843         }
2844
2845         /*
2846          * construct_reply_common will copy smb_com from inbuf to
2847          * outbuf. SMBnttranss is wrong here.
2848          */
2849         SCVAL(req->inbuf,smb_com,SMBnttrans);
2850
2851         handle_nttrans(conn, state, req);
2852
2853         DLIST_REMOVE(conn->pending_trans, state);
2854         SAFE_FREE(state->data);
2855         SAFE_FREE(state->param);
2856         TALLOC_FREE(state);
2857         END_PROFILE(SMBnttranss);
2858         return;
2859
2860   bad_param:
2861
2862         DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
2863         DLIST_REMOVE(conn->pending_trans, state);
2864         SAFE_FREE(state->data);
2865         SAFE_FREE(state->param);
2866         TALLOC_FREE(state);
2867         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2868         END_PROFILE(SMBnttranss);
2869         return;
2870 }