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==0) {
 731                 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
 732         }
 733         if (psd->group_sid==0) {
 734                 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
 735         }
 736         if (psd->sacl==0) {
 737                 security_info_sent &= ~SACL_SECURITY_INFORMATION;
 738         }
 739         if (security_info_sent & DACL_SECURITY_INFORMATION) {
 740                 psd->type |= SEC_DESC_DACL_PRESENT;
 741         }
 742         if (psd->dacl==0) {
 743                 security_info_sent &= ~DACL_SECURITY_INFORMATION;
 744         }
 745
 746         /* Convert all the generic bits. */
 747         security_acl_map_generic(psd->dacl, &file_generic_mapping);
 748         security_acl_map_generic(psd->sacl, &file_generic_mapping);
 749
 750         if (DEBUGLEVEL >= 10) {
 751                 DEBUG(10,("set_sd for file %s\n", fsp->fsp_name ));
 752                 NDR_PRINT_DEBUG(security_descriptor, psd);
 753         }
 754
 755         status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
 756
 757         TALLOC_FREE(psd);
 758
 759         return status;
 760 }
 761
 762 /****************************************************************************
 763  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
 764 ****************************************************************************/
 765
 766 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
 767 {
 768         struct ea_list *ea_list_head = NULL;
 769         size_t offset = 0;
 770
 771         if (data_size < 4) {
 772                 return NULL;
 773         }
 774
 775         while (offset + 4 <= data_size) {
 776                 size_t next_offset = IVAL(pdata,offset);
 777                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
 778
 779                 if (!eal) {
 780                         return NULL;
 781                 }
 782
 783                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
 784                 if (next_offset == 0) {
 785                         break;
 786                 }
 787                 offset += next_offset;
 788         }
 789
 790         return ea_list_head;
 791 }
 792
 793 /****************************************************************************
 794  Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
 795 ****************************************************************************/
 796
 797 static void call_nt_transact_create(connection_struct *conn,
 798                                     struct smb_request *req,
 799                                     uint16 **ppsetup, uint32 setup_count,
 800                                     char **ppparams, uint32 parameter_count,
 801                                     char **ppdata, uint32 data_count,
 802                                     uint32 max_data_count)
 803 {
 804         char *fname = NULL;
 805         char *params = *ppparams;
 806         char *data = *ppdata;
 807         /* Breakout the oplock request bits so we can set the reply bits separately. */
 808         uint32 fattr=0;
 809         SMB_OFF_T file_len = 0;
 810         SMB_STRUCT_STAT sbuf;
 811         int info = 0;
 812         files_struct *fsp = NULL;
 813         char *p = NULL;
 814         uint32 flags;
 815         uint32 access_mask;
 816         uint32 file_attributes;
 817         uint32 share_access;
 818         uint32 create_disposition;
 819         uint32 create_options;
 820         uint32 sd_len;
 821         struct security_descriptor *sd = NULL;
 822         uint32 ea_len;
 823         uint16 root_dir_fid;
 824         struct timespec c_timespec;
 825         struct timespec a_timespec;
 826         struct timespec m_timespec;
 827         struct ea_list *ea_list = NULL;
 828         NTSTATUS status;
 829         size_t param_len;
 830         SMB_BIG_UINT allocation_size;
 831         int oplock_request;
 832         uint8_t oplock_granted;
 833         TALLOC_CTX *ctx = talloc_tos();
 834
 835         DEBUG(5,("call_nt_transact_create\n"));
 836
 837         /*
 838          * If it's an IPC, use the pipe handler.
 839          */
 840
 841         if (IS_IPC(conn)) {
 842                 if (lp_nt_pipe_support()) {
 843                         do_nt_transact_create_pipe(
 844                                 conn, req,
 845                                 ppsetup, setup_count,
 846                                 ppparams, parameter_count,
 847                                 ppdata, data_count);
 848                         return;
 849                 }
 850                 reply_doserror(req, ERRDOS, ERRnoaccess);
 851                 return;
 852         }
 853
 854         /*
 855          * Ensure minimum number of parameters sent.
 856          */
 857
 858         if(parameter_count < 54) {
 859                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
 860                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 861                 return;
 862         }
 863
 864         flags = IVAL(params,0);
 865         access_mask = IVAL(params,8);
 866         file_attributes = IVAL(params,20);
 867         share_access = IVAL(params,24);
 868         create_disposition = IVAL(params,28);
 869         create_options = IVAL(params,32);
 870         sd_len = IVAL(params,36);
 871         ea_len = IVAL(params,40);
 872         root_dir_fid = (uint16)IVAL(params,4);
 873         allocation_size = (SMB_BIG_UINT)IVAL(params,12);
 874 #ifdef LARGE_SMB_OFF_T
 875         allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
 876 #endif
 877
 878         /*
 879          * we need to remove ignored bits when they come directly from the client
 880          * because we reuse some of them for internal stuff
 881          */
 882         create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
 883
 884         /* Ensure the data_len is correct for the sd and ea values given. */
 885         if ((ea_len + sd_len > data_count)
 886             || (ea_len > data_count) || (sd_len > data_count)
 887             || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
 888                 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
 889                            "%u, data_count = %u\n", (unsigned int)ea_len,
 890                            (unsigned int)sd_len, (unsigned int)data_count));
 891                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 892                 return;
 893         }
 894
 895         if (sd_len) {
 896                 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
 897                            sd_len));
 898
 899                 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
 900                                              &sd);
 901                 if (!NT_STATUS_IS_OK(status)) {
 902                         DEBUG(10, ("call_nt_transact_create: "
 903                                    "unmarshall_sec_desc failed: %s\n",
 904                                    nt_errstr(status)));
 905                         reply_nterror(req, status);
 906                         return;
 907                 }
 908         }
 909
 910         if (ea_len) {
 911                 if (!lp_ea_support(SNUM(conn))) {
 912                         DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
 913                                    "EA's not supported.\n",
 914                                    (unsigned int)ea_len));
 915                         reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
 916                         return;
 917                 }
 918
 919                 if (ea_len < 10) {
 920                         DEBUG(10,("call_nt_transact_create - ea_len = %u - "
 921                                   "too small (should be more than 10)\n",
 922                                   (unsigned int)ea_len ));
 923                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 924                         return;
 925                 }
 926
 927                 /* We have already checked that ea_len <= data_count here. */
 928                 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
 929                                                ea_len);
 930                 if (ea_list == NULL) {
 931                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 932                         return;
 933                 }
 934         }
 935
 936         srvstr_get_path(ctx, params, req->flags2, &fname,
 937                         params+53, parameter_count-53,
 938                         STR_TERMINATE, &status);
 939         if (!NT_STATUS_IS_OK(status)) {
 940                 reply_nterror(req, status);
 941                 return;
 942         }
 943
 944         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 945         if (oplock_request) {
 946                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
 947                         ? BATCH_OPLOCK : 0;
 948         }
 949
 950         status = create_file(conn, req, root_dir_fid, fname,
 951                              access_mask, share_access, create_disposition,
 952                              create_options, file_attributes, oplock_request,
 953                              allocation_size, sd, ea_list, &fsp, &info, &sbuf);
 954
 955         if(!NT_STATUS_IS_OK(status)) {
 956                 if (open_was_deferred(req->mid)) {
 957                         /* We have re-scheduled this call, no error. */
 958                         return;
 959                 }
 960                 reply_openerror(req, status);
 961                 return;
 962         }
 963
 964         /*
 965          * If the caller set the extended oplock request bit
 966          * and we granted one (by whatever means) - set the
 967          * correct bit for extended oplock reply.
 968          */
 969
 970         if (oplock_request &&
 971             (lp_fake_oplocks(SNUM(conn))
 972              || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
 973
 974                 /*
 975                  * Exclusive oplock granted
 976                  */
 977
 978                 if (flags & REQUEST_BATCH_OPLOCK) {
 979                         oplock_granted = BATCH_OPLOCK_RETURN;
 980                 } else {
 981                         oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
 982                 }
 983         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
 984                 oplock_granted = LEVEL_II_OPLOCK_RETURN;
 985         } else {
 986                 oplock_granted = NO_OPLOCK_RETURN;
 987         }
 988
 989         file_len = sbuf.st_size;
 990         fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
 991         if (fattr == 0) {
 992                 fattr = FILE_ATTRIBUTE_NORMAL;
 993         }
 994
 995         /* Realloc the size of parameters and data we will return */
 996         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 997                 /* Extended response is 32 more byyes. */
 998                 param_len = 101;
 999         } else {
1000                 param_len = 69;
1001         }
1002         params = nttrans_realloc(ppparams, param_len);
1003         if(params == NULL) {
1004                 reply_doserror(req, ERRDOS, ERRnomem);
1005                 return;
1006         }
1007
1008         p = params;
1009         SCVAL(p, 0, oplock_granted);
1010
1011         p += 2;
1012         SSVAL(p,0,fsp->fnum);
1013         p += 2;
1014         if ((create_disposition == FILE_SUPERSEDE)
1015             && (info == FILE_WAS_OVERWRITTEN)) {
1016                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1017         } else {
1018                 SIVAL(p,0,info);
1019         }
1020         p += 8;
1021
1022         /* Create time. */
1023         c_timespec = get_create_timespec(
1024                 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
1025         a_timespec = get_atimespec(&sbuf);
1026         m_timespec = get_mtimespec(&sbuf);
1027
1028         if (lp_dos_filetime_resolution(SNUM(conn))) {
1029                 dos_filetime_timespec(&c_timespec);
1030                 dos_filetime_timespec(&a_timespec);
1031                 dos_filetime_timespec(&m_timespec);
1032         }
1033
1034         put_long_date_timespec(p, c_timespec); /* create time. */
1035         p += 8;
1036         put_long_date_timespec(p, a_timespec); /* access time */
1037         p += 8;
1038         put_long_date_timespec(p, m_timespec); /* write time */
1039         p += 8;
1040         put_long_date_timespec(p, m_timespec); /* change time */
1041         p += 8;
1042         SIVAL(p,0,fattr); /* File Attributes. */
1043         p += 4;
1044         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1045         p += 8;
1046         SOFF_T(p,0,file_len);
1047         p += 8;
1048         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1049                 SSVAL(p,2,0x7);
1050         }
1051         p += 4;
1052         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1053
1054         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1055                 uint32 perms = 0;
1056                 p += 25;
1057                 if (fsp->is_directory
1058                     || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
1059                         perms = FILE_GENERIC_ALL;
1060                 } else {
1061                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
1062                 }
1063                 SIVAL(p,0,perms);
1064         }
1065
1066         DEBUG(5,("call_nt_transact_create: open name = %s\n", fsp->fsp_name));
1067
1068         /* Send the required number of replies */
1069         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1070
1071         return;
1072 }
1073
1074 /****************************************************************************
1075  Reply to a NT CANCEL request.
1076  conn POINTER CAN BE NULL HERE !
1077 ****************************************************************************/
1078
1079 void reply_ntcancel(struct smb_request *req)
1080 {
1081         /*
1082          * Go through and cancel any pending change notifies.
1083          */
1084
1085         START_PROFILE(SMBntcancel);
1086         remove_pending_change_notify_requests_by_mid(req->mid);
1087         remove_pending_lock_requests_by_mid(req->mid);
1088         srv_cancel_sign_response(req->mid);
1089
1090         DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1091
1092         END_PROFILE(SMBntcancel);
1093         return;
1094 }
1095
1096 /****************************************************************************
1097  Copy a file.
1098 ****************************************************************************/
1099
1100 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1101                                 connection_struct *conn,
1102                                 struct smb_request *req,
1103                                 const char *oldname_in,
1104                                 const char *newname_in,
1105                                 uint32 attrs)
1106 {
1107         SMB_STRUCT_STAT sbuf1, sbuf2;
1108         char *oldname = NULL;
1109         char *newname = NULL;
1110         char *last_component_oldname = NULL;
1111         char *last_component_newname = NULL;
1112         files_struct *fsp1,*fsp2;
1113         uint32 fattr;
1114         int info;
1115         SMB_OFF_T ret=-1;
1116         NTSTATUS status = NT_STATUS_OK;
1117
1118         ZERO_STRUCT(sbuf1);
1119         ZERO_STRUCT(sbuf2);
1120
1121         if (!CAN_WRITE(conn)) {
1122                 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1123         }
1124
1125         status = unix_convert(ctx, conn, oldname_in, False, &oldname,
1126                         &last_component_oldname, &sbuf1);
1127         if (!NT_STATUS_IS_OK(status)) {
1128                 return status;
1129         }
1130
1131         status = check_name(conn, oldname);
1132         if (!NT_STATUS_IS_OK(status)) {
1133                 return status;
1134         }
1135
1136         /* Source must already exist. */
1137         if (!VALID_STAT(sbuf1)) {
1138                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1139         }
1140         /* Ensure attributes match. */
1141         fattr = dos_mode(conn,oldname,&sbuf1);
1142         if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1143                 return NT_STATUS_NO_SUCH_FILE;
1144         }
1145
1146         status = unix_convert(ctx, conn, newname_in, False, &newname,
1147                         &last_component_newname, &sbuf2);
1148         if (!NT_STATUS_IS_OK(status)) {
1149                 return status;
1150         }
1151
1152         status = check_name(conn, newname);
1153         if (!NT_STATUS_IS_OK(status)) {
1154                 return status;
1155         }
1156
1157         /* Disallow if newname already exists. */
1158         if (VALID_STAT(sbuf2)) {
1159                 return NT_STATUS_OBJECT_NAME_COLLISION;
1160         }
1161
1162         /* No links from a directory. */
1163         if (S_ISDIR(sbuf1.st_mode)) {
1164                 return NT_STATUS_FILE_IS_A_DIRECTORY;
1165         }
1166
1167         /* Ensure this is within the share. */
1168         status = check_reduced_name(conn, oldname);
1169         if (!NT_STATUS_IS_OK(status)) {
1170                 return status;
1171         }
1172
1173         DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1174                                 oldname, newname));
1175
1176         status = open_file_ntcreate(conn, req, oldname, &sbuf1,
1177                         FILE_READ_DATA, /* Read-only. */
1178                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1179                         FILE_OPEN,
1180                         0, /* No create options. */
1181                         FILE_ATTRIBUTE_NORMAL,
1182                         NO_OPLOCK,
1183                         &info, &fsp1);
1184
1185         if (!NT_STATUS_IS_OK(status)) {
1186                 return status;
1187         }
1188
1189         status = open_file_ntcreate(conn, req, newname, &sbuf2,
1190                         FILE_WRITE_DATA, /* Read-only. */
1191                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1192                         FILE_CREATE,
1193                         0, /* No create options. */
1194                         fattr,
1195                         NO_OPLOCK,
1196                         &info, &fsp2);
1197
1198         if (!NT_STATUS_IS_OK(status)) {
1199                 close_file(fsp1,ERROR_CLOSE);
1200                 return status;
1201         }
1202
1203         if (sbuf1.st_size) {
1204                 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1205         }
1206
1207         /*
1208          * As we are opening fsp1 read-only we only expect
1209          * an error on close on fsp2 if we are out of space.
1210          * Thus we don't look at the error return from the
1211          * close of fsp1.
1212          */
1213         close_file(fsp1,NORMAL_CLOSE);
1214
1215         /* Ensure the modtime is set correctly on the destination file. */
1216         set_close_write_time(fsp2, get_mtimespec(&sbuf1));
1217
1218         status = close_file(fsp2,NORMAL_CLOSE);
1219
1220         /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1221            creates the file. This isn't the correct thing to do in the copy
1222            case. JRA */
1223         file_set_dosmode(conn, newname, fattr, &sbuf2,
1224                          parent_dirname(newname),false);
1225
1226         if (ret < (SMB_OFF_T)sbuf1.st_size) {
1227                 return NT_STATUS_DISK_FULL;
1228         }
1229
1230         if (!NT_STATUS_IS_OK(status)) {
1231                 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1232                         nt_errstr(status), oldname, newname));
1233         }
1234         return status;
1235 }
1236
1237 /****************************************************************************
1238  Reply to a NT rename request.
1239 ****************************************************************************/
1240
1241 void reply_ntrename(struct smb_request *req)
1242 {
1243         connection_struct *conn = req->conn;
1244         char *oldname = NULL;
1245         char *newname = NULL;
1246         char *p;
1247         NTSTATUS status;
1248         bool src_has_wcard = False;
1249         bool dest_has_wcard = False;
1250         uint32 attrs;
1251         uint16 rename_type;
1252         TALLOC_CTX *ctx = talloc_tos();
1253
1254         START_PROFILE(SMBntrename);
1255
1256         if (req->wct < 4) {
1257                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1258                 END_PROFILE(SMBntrename);
1259                 return;
1260         }
1261
1262         attrs = SVAL(req->inbuf,smb_vwv0);
1263         rename_type = SVAL(req->inbuf,smb_vwv1);
1264
1265         p = smb_buf(req->inbuf) + 1;
1266         p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &oldname, p,
1267                                    0, STR_TERMINATE, &status,
1268                                    &src_has_wcard);
1269         if (!NT_STATUS_IS_OK(status)) {
1270                 reply_nterror(req, status);
1271                 END_PROFILE(SMBntrename);
1272                 return;
1273         }
1274
1275         if( is_ntfs_stream_name(oldname)) {
1276                 /* Can't rename a stream. */
1277                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1278                 END_PROFILE(SMBntrename);
1279                 return;
1280         }
1281
1282         if (ms_has_wild(oldname)) {
1283                 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1284                 END_PROFILE(SMBntrename);
1285                 return;
1286         }
1287
1288         p++;
1289         p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &newname, p,
1290                                    0, STR_TERMINATE, &status,
1291                                    &dest_has_wcard);
1292         if (!NT_STATUS_IS_OK(status)) {
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                                 oldname,
1301                                 &oldname);
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         status = resolve_dfspath(ctx, conn,
1315                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
1316                                 newname,
1317                                 &newname);
1318         if (!NT_STATUS_IS_OK(status)) {
1319                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1320                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1321                                         ERRSRV, ERRbadpath);
1322                         END_PROFILE(SMBntrename);
1323                         return;
1324                 }
1325                 reply_nterror(req, status);
1326                 END_PROFILE(SMBntrename);
1327                 return;
1328         }
1329
1330         DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1331
1332         switch(rename_type) {
1333                 case RENAME_FLAG_RENAME:
1334                         status = rename_internals(ctx, conn, req, oldname,
1335                                         newname, attrs, False, src_has_wcard,
1336                                         dest_has_wcard, DELETE_ACCESS);
1337                         break;
1338                 case RENAME_FLAG_HARD_LINK:
1339                         if (src_has_wcard || dest_has_wcard) {
1340                                 /* No wildcards. */
1341                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1342                         } else {
1343                                 status = hardlink_internals(ctx,
1344                                                 conn,
1345                                                 oldname,
1346                                                 newname);
1347                         }
1348                         break;
1349                 case RENAME_FLAG_COPY:
1350                         if (src_has_wcard || dest_has_wcard) {
1351                                 /* No wildcards. */
1352                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1353                         } else {
1354                                 status = copy_internals(ctx, conn, req, oldname,
1355                                                         newname, attrs);
1356                         }
1357                         break;
1358                 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1359                         status = NT_STATUS_INVALID_PARAMETER;
1360                         break;
1361                 default:
1362                         status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1363                         break;
1364         }
1365
1366         if (!NT_STATUS_IS_OK(status)) {
1367                 if (open_was_deferred(req->mid)) {
1368                         /* We have re-scheduled this call. */
1369                         END_PROFILE(SMBntrename);
1370                         return;
1371                 }
1372
1373                 reply_nterror(req, status);
1374                 END_PROFILE(SMBntrename);
1375                 return;
1376         }
1377
1378         reply_outbuf(req, 0, 0);
1379
1380         END_PROFILE(SMBntrename);
1381         return;
1382 }
1383
1384 /****************************************************************************
1385  Reply to a notify change - queue the request and
1386  don't allow a directory to be opened.
1387 ****************************************************************************/
1388
1389 static void call_nt_transact_notify_change(connection_struct *conn,
1390                                            struct smb_request *req,
1391                                            uint16 **ppsetup,
1392                                            uint32 setup_count,
1393                                            char **ppparams,
1394                                            uint32 parameter_count,
1395                                            char **ppdata, uint32 data_count,
1396                                            uint32 max_data_count,
1397                                            uint32 max_param_count)
1398 {
1399         uint16 *setup = *ppsetup;
1400         files_struct *fsp;
1401         uint32 filter;
1402         NTSTATUS status;
1403         bool recursive;
1404
1405         if(setup_count < 6) {
1406                 reply_doserror(req, ERRDOS, ERRbadfunc);
1407                 return;
1408         }
1409
1410         fsp = file_fsp(SVAL(setup,4));
1411         filter = IVAL(setup, 0);
1412         recursive = (SVAL(setup, 6) != 0) ? True : False;
1413
1414         DEBUG(3,("call_nt_transact_notify_change\n"));
1415
1416         if(!fsp) {
1417                 reply_doserror(req, ERRDOS, ERRbadfid);
1418                 return;
1419         }
1420
1421         {
1422                 char *filter_string;
1423
1424                 if (!(filter_string = notify_filter_string(NULL, filter))) {
1425                         reply_nterror(req,NT_STATUS_NO_MEMORY);
1426                         return;
1427                 }
1428
1429                 DEBUG(3,("call_nt_transact_notify_change: notify change "
1430                          "called on %s, filter = %s, recursive = %d\n",
1431                          fsp->fsp_name, filter_string, recursive));
1432
1433                 TALLOC_FREE(filter_string);
1434         }
1435
1436         if((!fsp->is_directory) || (conn != fsp->conn)) {
1437                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1438                 return;
1439         }
1440
1441         if (fsp->notify == NULL) {
1442
1443                 status = change_notify_create(fsp, filter, recursive);
1444
1445                 if (!NT_STATUS_IS_OK(status)) {
1446                         DEBUG(10, ("change_notify_create returned %s\n",
1447                                    nt_errstr(status)));
1448                         reply_nterror(req, status);
1449                         return;
1450                 }
1451         }
1452
1453         if (fsp->notify->num_changes != 0) {
1454
1455                 /*
1456                  * We've got changes pending, respond immediately
1457                  */
1458
1459                 /*
1460                  * TODO: write a torture test to check the filtering behaviour
1461                  * here.
1462                  */
1463
1464                 change_notify_reply(fsp->conn, req->inbuf, max_param_count, fsp->notify);
1465
1466                 /*
1467                  * change_notify_reply() above has independently sent its
1468                  * results
1469                  */
1470                 return;
1471         }
1472
1473         /*
1474          * No changes pending, queue the request
1475          */
1476
1477         status = change_notify_add_request(req,
1478                         max_param_count,
1479                         filter,
1480                         recursive, fsp);
1481         if (!NT_STATUS_IS_OK(status)) {
1482                 reply_nterror(req, status);
1483         }
1484         return;
1485 }
1486
1487 /****************************************************************************
1488  Reply to an NT transact rename command.
1489 ****************************************************************************/
1490
1491 static void call_nt_transact_rename(connection_struct *conn,
1492                                     struct smb_request *req,
1493                                     uint16 **ppsetup, uint32 setup_count,
1494                                     char **ppparams, uint32 parameter_count,
1495                                     char **ppdata, uint32 data_count,
1496                                     uint32 max_data_count)
1497 {
1498         char *params = *ppparams;
1499         char *new_name = NULL;
1500         files_struct *fsp = NULL;
1501         bool dest_has_wcard = False;
1502         NTSTATUS status;
1503         TALLOC_CTX *ctx = talloc_tos();
1504
1505         if(parameter_count < 5) {
1506                 reply_doserror(req, ERRDOS, ERRbadfunc);
1507                 return;
1508         }
1509
1510         fsp = file_fsp(SVAL(params, 0));
1511         if (!check_fsp(conn, req, fsp)) {
1512                 return;
1513         }
1514         srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1515                               parameter_count - 4,
1516                               STR_TERMINATE, &status, &dest_has_wcard);
1517         if (!NT_STATUS_IS_OK(status)) {
1518                 reply_nterror(req, status);
1519                 return;
1520         }
1521
1522         /*
1523          * W2K3 ignores this request as the RAW-RENAME test
1524          * demonstrates, so we do.
1525          */
1526         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1527
1528         DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1529                  fsp->fsp_name, new_name));
1530
1531         return;
1532 }
1533
1534 /******************************************************************************
1535  Fake up a completely empty SD.
1536 *******************************************************************************/
1537
1538 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1539 {
1540         size_t sd_size;
1541
1542         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1543         if(!*ppsd) {
1544                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1545                 return NT_STATUS_NO_MEMORY;
1546         }
1547
1548         return NT_STATUS_OK;
1549 }
1550
1551 /****************************************************************************
1552  Reply to query a security descriptor.
1553 ****************************************************************************/
1554
1555 static void call_nt_transact_query_security_desc(connection_struct *conn,
1556                                                  struct smb_request *req,
1557                                                  uint16 **ppsetup,
1558                                                  uint32 setup_count,
1559                                                  char **ppparams,
1560                                                  uint32 parameter_count,
1561                                                  char **ppdata,
1562                                                  uint32 data_count,
1563                                                  uint32 max_data_count)
1564 {
1565         char *params = *ppparams;
1566         char *data = *ppdata;
1567         SEC_DESC *psd = NULL;
1568         size_t sd_size;
1569         uint32 security_info_wanted;
1570         files_struct *fsp = NULL;
1571         NTSTATUS status;
1572         DATA_BLOB blob;
1573
1574         if(parameter_count < 8) {
1575                 reply_doserror(req, ERRDOS, ERRbadfunc);
1576                 return;
1577         }
1578
1579         fsp = file_fsp(SVAL(params,0));
1580         if(!fsp) {
1581                 reply_doserror(req, ERRDOS, ERRbadfid);
1582                 return;
1583         }
1584
1585         security_info_wanted = IVAL(params,4);
1586
1587         DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
1588                         (unsigned int)security_info_wanted ));
1589
1590         params = nttrans_realloc(ppparams, 4);
1591         if(params == NULL) {
1592                 reply_doserror(req, ERRDOS, ERRnomem);
1593                 return;
1594         }
1595
1596         /*
1597          * Get the permissions to return.
1598          */
1599
1600         if (!lp_nt_acl_support(SNUM(conn))) {
1601                 status = get_null_nt_acl(talloc_tos(), &psd);
1602         } else {
1603                 status = SMB_VFS_FGET_NT_ACL(
1604                         fsp, security_info_wanted, &psd);
1605         }
1606
1607         if (!NT_STATUS_IS_OK(status)) {
1608                 reply_nterror(req, status);
1609                 return;
1610         }
1611
1612         sd_size = ndr_size_security_descriptor(psd, 0);
1613
1614         DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1615
1616         if (DEBUGLEVEL >= 10) {
1617                 DEBUG(10,("call_nt_transact_query_security_desc for file %s\n", fsp->fsp_name )
1618                 NDR_PRINT_DEBUG(security_descriptor, psd);
1619         }
1620
1621         SIVAL(params,0,(uint32)sd_size);
1622
1623         if (max_data_count < sd_size) {
1624                 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1625                                 params, 4, *ppdata, 0);
1626                 return;
1627         }
1628
1629         /*
1630          * Allocate the data we will point this at.
1631          */
1632
1633         data = nttrans_realloc(ppdata, sd_size);
1634         if(data == NULL) {
1635                 reply_doserror(req, ERRDOS, ERRnomem);
1636                 return;
1637         }
1638
1639         status = marshall_sec_desc(talloc_tos(), psd,
1640                                    &blob.data, &blob.length);
1641
1642         if (!NT_STATUS_IS_OK(status)) {
1643                 reply_nterror(req, status);
1644                 return;
1645         }
1646
1647         SMB_ASSERT(sd_size == blob.length);
1648         memcpy(data, blob.data, sd_size);
1649
1650         send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1651
1652         return;
1653 }
1654
1655 /****************************************************************************
1656  Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1657 ****************************************************************************/
1658
1659 static void call_nt_transact_set_security_desc(connection_struct *conn,
1660                                                struct smb_request *req,
1661                                                uint16 **ppsetup,
1662                                                uint32 setup_count,
1663                                                char **ppparams,
1664                                                uint32 parameter_count,
1665                                                char **ppdata,
1666                                                uint32 data_count,
1667                                                uint32 max_data_count)
1668 {
1669         char *params= *ppparams;
1670         char *data = *ppdata;
1671         files_struct *fsp = NULL;
1672         uint32 security_info_sent = 0;
1673         NTSTATUS status;
1674
1675         if(parameter_count < 8) {
1676                 reply_doserror(req, ERRDOS, ERRbadfunc);
1677                 return;
1678         }
1679
1680         if((fsp = file_fsp(SVAL(params,0))) == NULL) {
1681                 reply_doserror(req, ERRDOS, ERRbadfid);
1682                 return;
1683         }
1684
1685         if(!lp_nt_acl_support(SNUM(conn))) {
1686                 goto done;
1687         }
1688
1689         security_info_sent = IVAL(params,4);
1690
1691         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
1692                 (unsigned int)security_info_sent ));
1693
1694         if (data_count == 0) {
1695                 reply_doserror(req, ERRDOS, ERRnoaccess);
1696                 return;
1697         }
1698
1699         status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
1700
1701         if (!NT_STATUS_IS_OK(status)) {
1702                 reply_nterror(req, status);
1703                 return;
1704         }
1705
1706   done:
1707         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1708         return;
1709 }
1710
1711 /****************************************************************************
1712  Reply to NT IOCTL
1713 ****************************************************************************/
1714
1715 static void call_nt_transact_ioctl(connection_struct *conn,
1716                                    struct smb_request *req,
1717                                    uint16 **ppsetup, uint32 setup_count,
1718                                    char **ppparams, uint32 parameter_count,
1719                                    char **ppdata, uint32 data_count,
1720                                    uint32 max_data_count)
1721 {
1722         uint32 function;
1723         uint16 fidnum;
1724         files_struct *fsp;
1725         uint8 isFSctl;
1726         uint8 compfilter;
1727         static bool logged_message;
1728         char *pdata = *ppdata;
1729
1730         if (setup_count != 8) {
1731                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1732                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1733                 return;
1734         }
1735
1736         function = IVAL(*ppsetup, 0);
1737         fidnum = SVAL(*ppsetup, 4);
1738         isFSctl = CVAL(*ppsetup, 6);
1739         compfilter = CVAL(*ppsetup, 7);
1740
1741         DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
1742                  function, fidnum, isFSctl, compfilter));
1743
1744         fsp=file_fsp(fidnum);
1745         /* this check is done in each implemented function case for now
1746            because I don't want to break anything... --metze
1747         FSP_BELONGS_CONN(fsp,conn);*/
1748
1749         switch (function) {
1750         case FSCTL_SET_SPARSE:
1751                 /* pretend this succeeded - tho strictly we should
1752                    mark the file sparse (if the local fs supports it)
1753                    so we can know if we need to pre-allocate or not */
1754
1755                 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
1756                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1757                 return;
1758
1759         case FSCTL_CREATE_OR_GET_OBJECT_ID:
1760         {
1761                 unsigned char objid[16];
1762
1763                 /* This should return the object-id on this file.
1764                  * I think I'll make this be the inode+dev. JRA.
1765                  */
1766
1767                 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
1768
1769                 if (!fsp_belongs_conn(conn, req, fsp)) {
1770                         return;
1771                 }
1772
1773                 data_count = 64;
1774                 pdata = nttrans_realloc(ppdata, data_count);
1775                 if (pdata == NULL) {
1776                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1777                         return;
1778                 }
1779                 push_file_id_16(pdata, &fsp->file_id);
1780                 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
1781                 push_file_id_16(pdata+32, &fsp->file_id);
1782                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1783                                 pdata, data_count);
1784                 return;
1785         }
1786
1787         case FSCTL_GET_REPARSE_POINT:
1788                 /* pretend this fail - my winXP does it like this
1789                  * --metze
1790                  */
1791
1792                 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1793                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1794                 return;
1795
1796         case FSCTL_SET_REPARSE_POINT:
1797                 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
1798                  * --metze
1799                  */
1800
1801                 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1802                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1803                 return;
1804
1805         case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
1806         {
1807                 /*
1808                  * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
1809                  * and return their volume names.  If max_data_count is 16, then it is just
1810                  * asking for the number of volumes and length of the combined names.
1811                  *
1812                  * pdata is the data allocated by our caller, but that uses
1813                  * total_data_count (which is 0 in our case) rather than max_data_count.
1814                  * Allocate the correct amount and return the pointer to let
1815                  * it be deallocated when we return.
1816                  */
1817                 SHADOW_COPY_DATA *shadow_data = NULL;
1818                 TALLOC_CTX *shadow_mem_ctx = NULL;
1819                 bool labels = False;
1820                 uint32 labels_data_count = 0;
1821                 uint32 i;
1822                 char *cur_pdata;
1823
1824                 if (!fsp_belongs_conn(conn, req, fsp)) {
1825                         return;
1826                 }
1827
1828                 if (max_data_count < 16) {
1829                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
1830                                 max_data_count));
1831                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1832                         return;
1833                 }
1834
1835                 if (max_data_count > 16) {
1836                         labels = True;
1837                 }
1838
1839                 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
1840                 if (shadow_mem_ctx == NULL) {
1841                         DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
1842                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1843                         return;
1844                 }
1845
1846                 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
1847                 if (shadow_data == NULL) {
1848                         DEBUG(0,("TALLOC_ZERO() failed!\n"));
1849                         talloc_destroy(shadow_mem_ctx);
1850                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1851                         return;
1852                 }
1853
1854                 shadow_data->mem_ctx = shadow_mem_ctx;
1855
1856                 /*
1857                  * Call the VFS routine to actually do the work.
1858                  */
1859                 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
1860                         talloc_destroy(shadow_data->mem_ctx);
1861                         if (errno == ENOSYS) {
1862                                 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
1863                                         conn->connectpath));
1864                                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1865                                 return;
1866                         } else {
1867                                 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
1868                                         conn->connectpath));
1869                                 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
1870                                 return;
1871                         }
1872                 }
1873
1874                 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
1875
1876                 if (!labels) {
1877                         data_count = 16;
1878                 } else {
1879                         data_count = 12+labels_data_count+4;
1880                 }
1881
1882                 if (max_data_count<data_count) {
1883                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
1884                                 max_data_count,data_count));
1885                         talloc_destroy(shadow_data->mem_ctx);
1886                         reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
1887                         return;
1888                 }
1889
1890                 pdata = nttrans_realloc(ppdata, data_count);
1891                 if (pdata == NULL) {
1892                         talloc_destroy(shadow_data->mem_ctx);
1893                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1894                         return;
1895                 }
1896
1897                 cur_pdata = pdata;
1898
1899                 /* num_volumes 4 bytes */
1900                 SIVAL(pdata,0,shadow_data->num_volumes);
1901
1902                 if (labels) {
1903                         /* num_labels 4 bytes */
1904                         SIVAL(pdata,4,shadow_data->num_volumes);
1905                 }
1906
1907                 /* needed_data_count 4 bytes */
1908                 SIVAL(pdata,8,labels_data_count);
1909
1910                 cur_pdata+=12;
1911
1912                 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
1913                         shadow_data->num_volumes,fsp->fsp_name));
1914                 if (labels && shadow_data->labels) {
1915                         for (i=0;i<shadow_data->num_volumes;i++) {
1916                                 srvstr_push(pdata, req->flags2,
1917                                             cur_pdata, shadow_data->labels[i],
1918                                             2*sizeof(SHADOW_COPY_LABEL),
1919                                             STR_UNICODE|STR_TERMINATE);
1920                                 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
1921                                 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
1922                         }
1923                 }
1924
1925                 talloc_destroy(shadow_data->mem_ctx);
1926
1927                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1928                                 pdata, data_count);
1929
1930                 return;
1931         }
1932
1933         case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
1934         {
1935                 /* pretend this succeeded -
1936                  *
1937                  * we have to send back a list with all files owned by this SID
1938                  *
1939                  * but I have to check that --metze
1940                  */
1941                 DOM_SID sid;
1942                 uid_t uid;
1943                 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
1944
1945                 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
1946
1947                 if (!fsp_belongs_conn(conn, req, fsp)) {
1948                         return;
1949                 }
1950
1951                 /* unknown 4 bytes: this is not the length of the sid :-(  */
1952                 /*unknown = IVAL(pdata,0);*/
1953
1954                 sid_parse(pdata+4,sid_len,&sid);
1955                 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
1956
1957                 if (!sid_to_uid(&sid, &uid)) {
1958                         DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
1959                                  sid_string_dbg(&sid),
1960                                  (unsigned long)sid_len));
1961                         uid = (-1);
1962                 }
1963
1964                 /* we can take a look at the find source :-)
1965                  *
1966                  * find ./ -uid $uid  -name '*'   is what we need here
1967                  *
1968                  *
1969                  * and send 4bytes len and then NULL terminated unicode strings
1970                  * for each file
1971                  *
1972                  * but I don't know how to deal with the paged results
1973                  * (maybe we can hang the result anywhere in the fsp struct)
1974                  *
1975                  * we don't send all files at once
1976                  * and at the next we should *not* start from the beginning,
1977                  * so we have to cache the result
1978                  *
1979                  * --metze
1980                  */
1981
1982                 /* this works for now... */
1983                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1984                 return;
1985         }
1986         default:
1987                 if (!logged_message) {
1988                         logged_message = True; /* Only print this once... */
1989                         DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
1990                                  function));
1991                 }
1992         }
1993
1994         reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1995 }
1996
1997
1998 #ifdef HAVE_SYS_QUOTAS
1999 /****************************************************************************
2000  Reply to get user quota
2001 ****************************************************************************/
2002
2003 static void call_nt_transact_get_user_quota(connection_struct *conn,
2004                                             struct smb_request *req,
2005                                             uint16 **ppsetup,
2006                                             uint32 setup_count,
2007                                             char **ppparams,
2008                                             uint32 parameter_count,
2009                                             char **ppdata,
2010                                             uint32 data_count,
2011                                             uint32 max_data_count)
2012 {
2013         NTSTATUS nt_status = NT_STATUS_OK;
2014         char *params = *ppparams;
2015         char *pdata = *ppdata;
2016         char *entry;
2017         int data_len=0,param_len=0;
2018         int qt_len=0;
2019         int entry_len = 0;
2020         files_struct *fsp = NULL;
2021         uint16 level = 0;
2022         size_t sid_len;
2023         DOM_SID sid;
2024         bool start_enum = True;
2025         SMB_NTQUOTA_STRUCT qt;
2026         SMB_NTQUOTA_LIST *tmp_list;
2027         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2028
2029         ZERO_STRUCT(qt);
2030
2031         /* access check */
2032         if (conn->server_info->utok.uid != 0) {
2033                 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2034                          "[%s]\n", lp_servicename(SNUM(conn)),
2035                          conn->server_info->unix_name));
2036                 reply_doserror(req, ERRDOS, ERRnoaccess);
2037                 return;
2038         }
2039
2040         /*
2041          * Ensure minimum number of parameters sent.
2042          */
2043
2044         if (parameter_count < 4) {
2045                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2046                 reply_doserror(req, ERRDOS, ERRinvalidparam);
2047                 return;
2048         }
2049
2050         /* maybe we can check the quota_fnum */
2051         fsp = file_fsp(SVAL(params,0));
2052         if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2053                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2054                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2055                 return;
2056         }
2057
2058         /* the NULL pointer checking for fsp->fake_file_handle->pd
2059          * is done by CHECK_NTQUOTA_HANDLE_OK()
2060          */
2061         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2062
2063         level = SVAL(params,2);
2064
2065         /* unknown 12 bytes leading in params */
2066
2067         switch (level) {
2068                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2069                         /* seems that we should continue with the enum here --metze */
2070
2071                         if (qt_handle->quota_list!=NULL &&
2072                             qt_handle->tmp_list==NULL) {
2073
2074                                 /* free the list */
2075                                 free_ntquota_list(&(qt_handle->quota_list));
2076
2077                                 /* Realloc the size of parameters and data we will return */
2078                                 param_len = 4;
2079                                 params = nttrans_realloc(ppparams, param_len);
2080                                 if(params == NULL) {
2081                                         reply_doserror(req, ERRDOS, ERRnomem);
2082                                         return;
2083                                 }
2084
2085                                 data_len = 0;
2086                                 SIVAL(params,0,data_len);
2087
2088                                 break;
2089                         }
2090
2091                         start_enum = False;
2092
2093                 case TRANSACT_GET_USER_QUOTA_LIST_START:
2094
2095                         if (qt_handle->quota_list==NULL &&
2096                                 qt_handle->tmp_list==NULL) {
2097                                 start_enum = True;
2098                         }
2099
2100                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2101                                 reply_doserror(req, ERRSRV, ERRerror);
2102                                 return;
2103                         }
2104
2105                         /* Realloc the size of parameters and data we will return */
2106                         param_len = 4;
2107                         params = nttrans_realloc(ppparams, param_len);
2108                         if(params == NULL) {
2109                                 reply_doserror(req, ERRDOS, ERRnomem);
2110                                 return;
2111                         }
2112
2113                         /* we should not trust the value in max_data_count*/
2114                         max_data_count = MIN(max_data_count,2048);
2115
2116                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2117                         if(pdata == NULL) {
2118                                 reply_doserror(req, ERRDOS, ERRnomem);
2119                                 return;
2120                         }
2121
2122                         entry = pdata;
2123
2124                         /* set params Size of returned Quota Data 4 bytes*/
2125                         /* but set it later when we know it */
2126
2127                         /* for each entry push the data */
2128
2129                         if (start_enum) {
2130                                 qt_handle->tmp_list = qt_handle->quota_list;
2131                         }
2132
2133                         tmp_list = qt_handle->tmp_list;
2134
2135                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2136                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2137
2138                                 sid_len = ndr_size_dom_sid(
2139                                         &tmp_list->quotas->sid, 0);
2140                                 entry_len = 40 + sid_len;
2141
2142                                 /* nextoffset entry 4 bytes */
2143                                 SIVAL(entry,0,entry_len);
2144
2145                                 /* then the len of the SID 4 bytes */
2146                                 SIVAL(entry,4,sid_len);
2147
2148                                 /* unknown data 8 bytes SMB_BIG_UINT */
2149                                 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2150
2151                                 /* the used disk space 8 bytes SMB_BIG_UINT */
2152                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2153
2154                                 /* the soft quotas 8 bytes SMB_BIG_UINT */
2155                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2156
2157                                 /* the hard quotas 8 bytes SMB_BIG_UINT */
2158                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2159
2160                                 /* and now the SID */
2161                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2162                         }
2163
2164                         qt_handle->tmp_list = tmp_list;
2165
2166                         /* overwrite the offset of the last entry */
2167                         SIVAL(entry-entry_len,0,0);
2168
2169                         data_len = 4+qt_len;
2170                         /* overwrite the params quota_data_len */
2171                         SIVAL(params,0,data_len);
2172
2173                         break;
2174
2175                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2176
2177                         /* unknown 4 bytes IVAL(pdata,0) */
2178
2179                         if (data_count < 8) {
2180                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2181                                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2182                                 return;
2183                         }
2184
2185                         sid_len = IVAL(pdata,4);
2186                         /* Ensure this is less than 1mb. */
2187                         if (sid_len > (1024*1024)) {
2188                                 reply_doserror(req, ERRDOS, ERRnomem);
2189                                 return;
2190                         }
2191
2192                         if (data_count < 8+sid_len) {
2193                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2194                                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2195                                 return;
2196                         }
2197
2198                         data_len = 4+40+sid_len;
2199
2200                         if (max_data_count < data_len) {
2201                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2202                                         max_data_count, data_len));
2203                                 param_len = 4;
2204                                 SIVAL(params,0,data_len);
2205                                 data_len = 0;
2206                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2207                                 break;
2208                         }
2209
2210                         sid_parse(pdata+8,sid_len,&sid);
2211
2212                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2213                                 ZERO_STRUCT(qt);
2214                                 /*
2215                                  * we have to return zero's in all fields
2216                                  * instead of returning an error here
2217                                  * --metze
2218                                  */
2219                         }
2220
2221                         /* Realloc the size of parameters and data we will return */
2222                         param_len = 4;
2223                         params = nttrans_realloc(ppparams, param_len);
2224                         if(params == NULL) {
2225                                 reply_doserror(req, ERRDOS, ERRnomem);
2226                                 return;
2227                         }
2228
2229                         pdata = nttrans_realloc(ppdata, data_len);
2230                         if(pdata == NULL) {
2231                                 reply_doserror(req, ERRDOS, ERRnomem);
2232                                 return;
2233                         }
2234
2235                         entry = pdata;
2236
2237                         /* set params Size of returned Quota Data 4 bytes*/
2238                         SIVAL(params,0,data_len);
2239
2240                         /* nextoffset entry 4 bytes */
2241                         SIVAL(entry,0,0);
2242
2243                         /* then the len of the SID 4 bytes */
2244                         SIVAL(entry,4,sid_len);
2245
2246                         /* unknown data 8 bytes SMB_BIG_UINT */
2247                         SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
2248
2249                         /* the used disk space 8 bytes SMB_BIG_UINT */
2250                         SBIG_UINT(entry,16,qt.usedspace);
2251
2252                         /* the soft quotas 8 bytes SMB_BIG_UINT */
2253                         SBIG_UINT(entry,24,qt.softlim);
2254
2255                         /* the hard quotas 8 bytes SMB_BIG_UINT */
2256                         SBIG_UINT(entry,32,qt.hardlim);
2257
2258                         /* and now the SID */
2259                         sid_linearize(entry+40, sid_len, &sid);
2260
2261                         break;
2262
2263                 default:
2264                         DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2265                         reply_doserror(req, ERRSRV, ERRerror);
2266                         return;
2267                         break;
2268         }
2269
2270         send_nt_replies(conn, req, nt_status, params, param_len,
2271                         pdata, data_len);
2272 }
2273
2274 /****************************************************************************
2275  Reply to set user quota
2276 ****************************************************************************/
2277
2278 static void call_nt_transact_set_user_quota(connection_struct *conn,
2279                                             struct smb_request *req,
2280                                             uint16 **ppsetup,
2281                                             uint32 setup_count,
2282                                             char **ppparams,
2283                                             uint32 parameter_count,
2284                                             char **ppdata,
2285                                             uint32 data_count,
2286                                             uint32 max_data_count)
2287 {
2288         char *params = *ppparams;
2289         char *pdata = *ppdata;
2290         int data_len=0,param_len=0;
2291         SMB_NTQUOTA_STRUCT qt;
2292         size_t sid_len;
2293         DOM_SID sid;
2294         files_struct *fsp = NULL;
2295
2296         ZERO_STRUCT(qt);
2297
2298         /* access check */
2299         if (conn->server_info->utok.uid != 0) {
2300                 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2301                          "[%s]\n", lp_servicename(SNUM(conn)),
2302                          conn->server_info->unix_name));
2303                 reply_doserror(req, ERRDOS, ERRnoaccess);
2304                 return;
2305         }
2306
2307         /*
2308          * Ensure minimum number of parameters sent.
2309          */
2310
2311         if (parameter_count < 2) {
2312                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2313                 reply_doserror(req, ERRDOS, ERRinvalidparam);
2314                 return;
2315         }
2316
2317         /* maybe we can check the quota_fnum */
2318         fsp = file_fsp(SVAL(params,0));
2319         if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2320                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2321                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2322                 return;
2323         }
2324
2325         if (data_count < 40) {
2326                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2327                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2328                 return;
2329         }
2330
2331         /* offset to next quota record.
2332          * 4 bytes IVAL(pdata,0)
2333          * unused here...
2334          */
2335
2336         /* sid len */
2337         sid_len = IVAL(pdata,4);
2338
2339         if (data_count < 40+sid_len) {
2340                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2341                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2342                 return;
2343         }
2344
2345         /* unknown 8 bytes in pdata
2346          * maybe its the change time in NTTIME
2347          */
2348
2349         /* the used space 8 bytes (SMB_BIG_UINT)*/
2350         qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
2351 #ifdef LARGE_SMB_OFF_T
2352         qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
2353 #else /* LARGE_SMB_OFF_T */
2354         if ((IVAL(pdata,20) != 0)&&
2355                 ((qt.usedspace != 0xFFFFFFFF)||
2356                 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2357                 /* more than 32 bits? */
2358                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2359                 return;
2360         }
2361 #endif /* LARGE_SMB_OFF_T */
2362
2363         /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
2364         qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
2365 #ifdef LARGE_SMB_OFF_T
2366         qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
2367 #else /* LARGE_SMB_OFF_T */
2368         if ((IVAL(pdata,28) != 0)&&
2369                 ((qt.softlim != 0xFFFFFFFF)||
2370                 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2371                 /* more than 32 bits? */
2372                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2373                 return;
2374         }
2375 #endif /* LARGE_SMB_OFF_T */
2376
2377         /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
2378         qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
2379 #ifdef LARGE_SMB_OFF_T
2380         qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
2381 #else /* LARGE_SMB_OFF_T */
2382         if ((IVAL(pdata,36) != 0)&&
2383                 ((qt.hardlim != 0xFFFFFFFF)||
2384                 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2385                 /* more than 32 bits? */
2386                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2387                 return;
2388         }
2389 #endif /* LARGE_SMB_OFF_T */
2390
2391         sid_parse(pdata+40,sid_len,&sid);
2392         DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2393
2394         /* 44 unknown bytes left... */
2395
2396         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2397                 reply_doserror(req, ERRSRV, ERRerror);
2398                 return;
2399         }
2400
2401         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2402                         pdata, data_len);
2403 }
2404 #endif /* HAVE_SYS_QUOTAS */
2405
2406 static void handle_nttrans(connection_struct *conn,
2407                            struct trans_state *state,
2408                            struct smb_request *req)
2409 {
2410         if (Protocol >= PROTOCOL_NT1) {
2411                 req->flags2 |= 0x40; /* IS_LONG_NAME */
2412                 SSVAL(req->inbuf,smb_flg2,req->flags2);
2413         }
2414
2415         /* Now we must call the relevant NT_TRANS function */
2416         switch(state->call) {
2417                 case NT_TRANSACT_CREATE:
2418                 {
2419                         START_PROFILE(NT_transact_create);
2420                         call_nt_transact_create(
2421                                 conn, req,
2422                                 &state->setup, state->setup_count,
2423                                 &state->param, state->total_param,
2424                                 &state->data, state->total_data,
2425                                 state->max_data_return);
2426                         END_PROFILE(NT_transact_create);
2427                         break;
2428                 }
2429
2430                 case NT_TRANSACT_IOCTL:
2431                 {
2432                         START_PROFILE(NT_transact_ioctl);
2433                         call_nt_transact_ioctl(
2434                                 conn, req,
2435                                 &state->setup, state->setup_count,
2436                                 &state->param, state->total_param,
2437                                 &state->data, state->total_data,
2438                                 state->max_data_return);
2439                         END_PROFILE(NT_transact_ioctl);
2440                         break;
2441                 }
2442
2443                 case NT_TRANSACT_SET_SECURITY_DESC:
2444                 {
2445                         START_PROFILE(NT_transact_set_security_desc);
2446                         call_nt_transact_set_security_desc(
2447                                 conn, req,
2448                                 &state->setup, state->setup_count,
2449                                 &state->param, state->total_param,
2450                                 &state->data, state->total_data,
2451                                 state->max_data_return);
2452                         END_PROFILE(NT_transact_set_security_desc);
2453                         break;
2454                 }
2455
2456                 case NT_TRANSACT_NOTIFY_CHANGE:
2457                 {
2458                         START_PROFILE(NT_transact_notify_change);
2459                         call_nt_transact_notify_change(
2460                                 conn, req,
2461                                 &state->setup, state->setup_count,
2462                                 &state->param, state->total_param,
2463                                 &state->data, state->total_data,
2464                                 state->max_data_return,
2465                                 state->max_param_return);
2466                         END_PROFILE(NT_transact_notify_change);
2467                         break;
2468                 }
2469
2470                 case NT_TRANSACT_RENAME:
2471                 {
2472                         START_PROFILE(NT_transact_rename);
2473                         call_nt_transact_rename(
2474                                 conn, req,
2475                                 &state->setup, state->setup_count,
2476                                 &state->param, state->total_param,
2477                                 &state->data, state->total_data,
2478                                 state->max_data_return);
2479                         END_PROFILE(NT_transact_rename);
2480                         break;
2481                 }
2482
2483                 case NT_TRANSACT_QUERY_SECURITY_DESC:
2484                 {
2485                         START_PROFILE(NT_transact_query_security_desc);
2486                         call_nt_transact_query_security_desc(
2487                                 conn, req,
2488                                 &state->setup, state->setup_count,
2489                                 &state->param, state->total_param,
2490                                 &state->data, state->total_data,
2491                                 state->max_data_return);
2492                         END_PROFILE(NT_transact_query_security_desc);
2493                         break;
2494                 }
2495
2496 #ifdef HAVE_SYS_QUOTAS
2497                 case NT_TRANSACT_GET_USER_QUOTA:
2498                 {
2499                         START_PROFILE(NT_transact_get_user_quota);
2500                         call_nt_transact_get_user_quota(
2501                                 conn, req,
2502                                 &state->setup, state->setup_count,
2503                                 &state->param, state->total_param,
2504                                 &state->data, state->total_data,
2505                                 state->max_data_return);
2506                         END_PROFILE(NT_transact_get_user_quota);
2507                         break;
2508                 }
2509
2510                 case NT_TRANSACT_SET_USER_QUOTA:
2511                 {
2512                         START_PROFILE(NT_transact_set_user_quota);
2513                         call_nt_transact_set_user_quota(
2514                                 conn, req,
2515                                 &state->setup, state->setup_count,
2516                                 &state->param, state->total_param,
2517                                 &state->data, state->total_data,
2518                                 state->max_data_return);
2519                         END_PROFILE(NT_transact_set_user_quota);
2520                         break;
2521                 }
2522 #endif /* HAVE_SYS_QUOTAS */
2523
2524                 default:
2525                         /* Error in request */
2526                         DEBUG(0,("handle_nttrans: Unknown request %d in "
2527                                  "nttrans call\n", state->call));
2528                         reply_doserror(req, ERRSRV, ERRerror);
2529                         return;
2530         }
2531         return;
2532 }
2533
2534 /****************************************************************************
2535  Reply to a SMBNTtrans.
2536 ****************************************************************************/
2537
2538 void reply_nttrans(struct smb_request *req)
2539 {
2540         connection_struct *conn = req->conn;
2541         uint32_t pscnt;
2542         uint32_t psoff;
2543         uint32_t dscnt;
2544         uint32_t dsoff;
2545         uint16 function_code;
2546         NTSTATUS result;
2547         struct trans_state *state;
2548         uint32_t size;
2549         uint32_t av_size;
2550
2551         START_PROFILE(SMBnttrans);
2552
2553         if (req->wct < 19) {
2554                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2555                 END_PROFILE(SMBnttrans);
2556                 return;
2557         }
2558
2559         size = smb_len(req->inbuf) + 4;
2560         av_size = smb_len(req->inbuf);
2561         pscnt = IVAL(req->inbuf,smb_nt_ParameterCount);
2562         psoff = IVAL(req->inbuf,smb_nt_ParameterOffset);
2563         dscnt = IVAL(req->inbuf,smb_nt_DataCount);
2564         dsoff = IVAL(req->inbuf,smb_nt_DataOffset);
2565         function_code = SVAL(req->inbuf, smb_nt_Function);
2566
2567         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2568                 reply_doserror(req, ERRSRV, ERRaccess);
2569                 END_PROFILE(SMBnttrans);
2570                 return;
2571         }
2572
2573         result = allow_new_trans(conn->pending_trans, req->mid);
2574         if (!NT_STATUS_IS_OK(result)) {
2575                 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2576                 reply_nterror(req, result);
2577                 END_PROFILE(SMBnttrans);
2578                 return;
2579         }
2580
2581         if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
2582                 reply_doserror(req, ERRSRV, ERRaccess);
2583                 END_PROFILE(SMBnttrans);
2584                 return;
2585         }
2586
2587         state->cmd = SMBnttrans;
2588
2589         state->mid = req->mid;
2590         state->vuid = req->vuid;
2591         state->total_data = IVAL(req->inbuf, smb_nt_TotalDataCount);
2592         state->data = NULL;
2593         state->total_param = IVAL(req->inbuf, smb_nt_TotalParameterCount);
2594         state->param = NULL;
2595         state->max_data_return = IVAL(req->inbuf,smb_nt_MaxDataCount);
2596         state->max_param_return = IVAL(req->inbuf,smb_nt_MaxParameterCount);
2597
2598         /* setup count is in *words* */
2599         state->setup_count = 2*CVAL(req->inbuf,smb_nt_SetupCount);
2600         state->setup = NULL;
2601         state->call = function_code;
2602
2603         /*
2604          * All nttrans messages we handle have smb_wct == 19 +
2605          * state->setup_count.  Ensure this is so as a sanity check.
2606          */
2607
2608         if(req->wct != 19 + (state->setup_count/2)) {
2609                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2610                          req->wct, 19 + (state->setup_count/2)));
2611                 goto bad_param;
2612         }
2613
2614         /* Don't allow more than 128mb for each value. */
2615         if ((state->total_data > (1024*1024*128)) ||
2616             (state->total_param > (1024*1024*128))) {
2617                 reply_doserror(req, ERRDOS, ERRnomem);
2618                 END_PROFILE(SMBnttrans);
2619                 return;
2620         }
2621
2622         if ((dscnt > state->total_data) || (pscnt > state->total_param))
2623                 goto bad_param;
2624
2625         if (state->total_data)  {
2626                 /* Can't use talloc here, the core routines do realloc on the
2627                  * params and data. */
2628                 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2629                         DEBUG(0,("reply_nttrans: data malloc fail for %u "
2630                                  "bytes !\n", (unsigned int)state->total_data));
2631                         TALLOC_FREE(state);
2632                         reply_doserror(req, ERRDOS, ERRnomem);
2633                         END_PROFILE(SMBnttrans);
2634                         return;
2635                 }
2636
2637                 if (dscnt > state->total_data ||
2638                                 dsoff+dscnt < dsoff) {
2639                         goto bad_param;
2640                 }
2641
2642                 if (dsoff > av_size ||
2643                                 dscnt > av_size ||
2644                                 dsoff+dscnt > av_size) {
2645                         goto bad_param;
2646                 }
2647
2648                 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2649         }
2650
2651         if (state->total_param) {
2652                 /* Can't use talloc here, the core routines do realloc on the
2653                  * params and data. */
2654                 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2655                         DEBUG(0,("reply_nttrans: param malloc fail for %u "
2656                                  "bytes !\n", (unsigned int)state->total_param));
2657                         SAFE_FREE(state->data);
2658                         TALLOC_FREE(state);
2659                         reply_doserror(req, ERRDOS, ERRnomem);
2660                         END_PROFILE(SMBnttrans);
2661                         return;
2662                 }
2663
2664                 if (pscnt > state->total_param ||
2665                                 psoff+pscnt < psoff) {
2666                         goto bad_param;
2667                 }
2668
2669                 if (psoff > av_size ||
2670                                 pscnt > av_size ||
2671                                 psoff+pscnt > av_size) {
2672                         goto bad_param;
2673                 }
2674
2675                 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2676         }
2677
2678         state->received_data  = dscnt;
2679         state->received_param = pscnt;
2680
2681         if(state->setup_count > 0) {
2682                 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2683                           state->setup_count));
2684                 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2685                 if (state->setup == NULL) {
2686                         DEBUG(0,("reply_nttrans : Out of memory\n"));
2687                         SAFE_FREE(state->data);
2688                         SAFE_FREE(state->param);
2689                         TALLOC_FREE(state);
2690                         reply_doserror(req, ERRDOS, ERRnomem);
2691                         END_PROFILE(SMBnttrans);
2692                         return;
2693                 }
2694
2695                 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
2696                     (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
2697                         goto bad_param;
2698                 }
2699                 if (smb_nt_SetupStart + state->setup_count > size) {
2700                         goto bad_param;
2701                 }
2702
2703                 memcpy( state->setup, &req->inbuf[smb_nt_SetupStart],
2704                         state->setup_count);
2705                 dump_data(10, (uint8 *)state->setup, state->setup_count);
2706         }
2707
2708         if ((state->received_data == state->total_data) &&
2709             (state->received_param == state->total_param)) {
2710                 handle_nttrans(conn, state, req);
2711                 SAFE_FREE(state->param);
2712                 SAFE_FREE(state->data);
2713                 TALLOC_FREE(state);
2714                 END_PROFILE(SMBnttrans);
2715                 return;
2716         }
2717
2718         DLIST_ADD(conn->pending_trans, state);
2719
2720         /* We need to send an interim response then receive the rest
2721            of the parameter/data bytes */
2722         reply_outbuf(req, 0, 0);
2723         show_msg((char *)req->outbuf);
2724         END_PROFILE(SMBnttrans);
2725         return;
2726
2727   bad_param:
2728
2729         DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2730         SAFE_FREE(state->data);
2731         SAFE_FREE(state->param);
2732         TALLOC_FREE(state);
2733         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2734         END_PROFILE(SMBnttrans);
2735         return;
2736 }
2737
2738 /****************************************************************************
2739  Reply to a SMBnttranss
2740  ****************************************************************************/
2741
2742 void reply_nttranss(struct smb_request *req)
2743 {
2744         connection_struct *conn = req->conn;
2745         uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
2746         struct trans_state *state;
2747         uint32_t av_size;
2748         uint32_t size;
2749
2750         START_PROFILE(SMBnttranss);
2751
2752         show_msg((char *)req->inbuf);
2753
2754         if (req->wct < 18) {
2755                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2756                 END_PROFILE(SMBnttranss);
2757                 return;
2758         }
2759
2760         for (state = conn->pending_trans; state != NULL;
2761              state = state->next) {
2762                 if (state->mid == req->mid) {
2763                         break;
2764                 }
2765         }
2766
2767         if ((state == NULL) || (state->cmd != SMBnttrans)) {
2768                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2769                 END_PROFILE(SMBnttranss);
2770                 return;
2771         }
2772
2773         /* Revise state->total_param and state->total_data in case they have
2774            changed downwards */
2775         if (IVAL(req->inbuf, smb_nts_TotalParameterCount)
2776             < state->total_param) {
2777                 state->total_param = IVAL(req->inbuf,
2778                                           smb_nts_TotalParameterCount);
2779         }
2780         if (IVAL(req->inbuf, smb_nts_TotalDataCount) < state->total_data) {
2781                 state->total_data = IVAL(req->inbuf, smb_nts_TotalDataCount);
2782         }
2783
2784         size = smb_len(req->inbuf) + 4;
2785         av_size = smb_len(req->inbuf);
2786
2787         pcnt = IVAL(req->inbuf,smb_nts_ParameterCount);
2788         poff = IVAL(req->inbuf, smb_nts_ParameterOffset);
2789         pdisp = IVAL(req->inbuf, smb_nts_ParameterDisplacement);
2790
2791         dcnt = IVAL(req->inbuf, smb_nts_DataCount);
2792         ddisp = IVAL(req->inbuf, smb_nts_DataDisplacement);
2793         doff = IVAL(req->inbuf, smb_nts_DataOffset);
2794
2795         state->received_param += pcnt;
2796         state->received_data += dcnt;
2797
2798         if ((state->received_data > state->total_data) ||
2799             (state->received_param > state->total_param))
2800                 goto bad_param;
2801
2802         if (pcnt) {
2803                 if (pdisp > state->total_param ||
2804                                 pcnt > state->total_param ||
2805                                 pdisp+pcnt > state->total_param ||
2806                                 pdisp+pcnt < pdisp) {
2807                         goto bad_param;
2808                 }
2809
2810                 if (poff > av_size ||
2811                                 pcnt > av_size ||
2812                                 poff+pcnt > av_size ||
2813                                 poff+pcnt < poff) {
2814                         goto bad_param;
2815                 }
2816
2817                 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,
2818                        pcnt);
2819         }
2820
2821         if (dcnt) {
2822                 if (ddisp > state->total_data ||
2823                                 dcnt > state->total_data ||
2824                                 ddisp+dcnt > state->total_data ||
2825                                 ddisp+dcnt < ddisp) {
2826                         goto bad_param;
2827                 }
2828
2829                 if (ddisp > av_size ||
2830                                 dcnt > av_size ||
2831                                 ddisp+dcnt > av_size ||
2832                                 ddisp+dcnt < ddisp) {
2833                         goto bad_param;
2834                 }
2835
2836                 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,
2837                        dcnt);
2838         }
2839
2840         if ((state->received_param < state->total_param) ||
2841             (state->received_data < state->total_data)) {
2842                 END_PROFILE(SMBnttranss);
2843                 return;
2844         }
2845
2846         /*
2847          * construct_reply_common will copy smb_com from inbuf to
2848          * outbuf. SMBnttranss is wrong here.
2849          */
2850         SCVAL(req->inbuf,smb_com,SMBnttrans);
2851
2852         handle_nttrans(conn, state, req);
2853
2854         DLIST_REMOVE(conn->pending_trans, state);
2855         SAFE_FREE(state->data);
2856         SAFE_FREE(state->param);
2857         TALLOC_FREE(state);
2858         END_PROFILE(SMBnttranss);
2859         return;
2860
2861   bad_param:
2862
2863         DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
2864         DLIST_REMOVE(conn->pending_trans, state);
2865         SAFE_FREE(state->data);
2866         SAFE_FREE(state->param);
2867         TALLOC_FREE(state);
2868         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2869         END_PROFILE(SMBnttranss);
2870         return;
2871 }