source3/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                 char *msg = talloc_asprintf(
  97                         talloc_tos(),
  98                         "send_nt_replies failed sanity useable_space = %d!!!",
  99                         useable_space);
 100                 DEBUG(0, ("%s\n", msg));
 101                 exit_server_cleanly(msg);
 102         }
 103
 104         while (params_to_send || data_to_send) {
 105
 106                 /*
 107                  * Calculate whether we will totally or partially fill this packet.
 108                  */
 109
 110                 total_sent_thistime = params_to_send + data_to_send;
 111
 112                 /*
 113                  * We can never send more than useable_space.
 114                  */
 115
 116                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
 117
 118                 reply_outbuf(req, 18,
 119                              total_sent_thistime + alignment_offset
 120                              + data_alignment_offset);
 121
 122                 /*
 123                  * Set total params and data to be sent.
 124                  */
 125
 126                 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
 127                 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
 128
 129                 /*
 130                  * Calculate how many parameters and data we can fit into
 131                  * this packet. Parameters get precedence.
 132                  */
 133
 134                 params_sent_thistime = MIN(params_to_send,useable_space);
 135                 data_sent_thistime = useable_space - params_sent_thistime;
 136                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
 137
 138                 SIVAL(req->outbuf, smb_ntr_ParameterCount,
 139                       params_sent_thistime);
 140
 141                 if(params_sent_thistime == 0) {
 142                         SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
 143                         SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
 144                 } else {
 145                         /*
 146                          * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
 147                          * parameter bytes, however the first 4 bytes of outbuf are
 148                          * the Netbios over TCP header. Thus use smb_base() to subtract
 149                          * them from the calculation.
 150                          */
 151
 152                         SIVAL(req->outbuf,smb_ntr_ParameterOffset,
 153                               ((smb_buf(req->outbuf)+alignment_offset)
 154                                - smb_base(req->outbuf)));
 155                         /*
 156                          * Absolute displacement of param bytes sent in this packet.
 157                          */
 158
 159                         SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
 160                               pp - params);
 161                 }
 162
 163                 /*
 164                  * Deal with the data portion.
 165                  */
 166
 167                 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
 168
 169                 if(data_sent_thistime == 0) {
 170                         SIVAL(req->outbuf,smb_ntr_DataOffset,0);
 171                         SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
 172                 } else {
 173                         /*
 174                          * The offset of the data bytes is the offset of the
 175                          * parameter bytes plus the number of parameters being sent this time.
 176                          */
 177
 178                         SIVAL(req->outbuf, smb_ntr_DataOffset,
 179                               ((smb_buf(req->outbuf)+alignment_offset) -
 180                                smb_base(req->outbuf))
 181                               + params_sent_thistime + data_alignment_offset);
 182                         SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
 183                 }
 184
 185                 /*
 186                  * Copy the param bytes into the packet.
 187                  */
 188
 189                 if(params_sent_thistime) {
 190                         if (alignment_offset != 0) {
 191                                 memset(smb_buf(req->outbuf), 0,
 192                                        alignment_offset);
 193                         }
 194                         memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
 195                                params_sent_thistime);
 196                 }
 197
 198                 /*
 199                  * Copy in the data bytes
 200                  */
 201
 202                 if(data_sent_thistime) {
 203                         if (data_alignment_offset != 0) {
 204                                 memset((smb_buf(req->outbuf)+alignment_offset+
 205                                         params_sent_thistime), 0,
 206                                        data_alignment_offset);
 207                         }
 208                         memcpy(smb_buf(req->outbuf)+alignment_offset
 209                                +params_sent_thistime+data_alignment_offset,
 210                                pd,data_sent_thistime);
 211                 }
 212
 213                 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
 214                         params_sent_thistime, data_sent_thistime, useable_space));
 215                 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
 216                         params_to_send, data_to_send, paramsize, datasize));
 217
 218                 if (NT_STATUS_V(nt_error)) {
 219                         error_packet_set((char *)req->outbuf,
 220                                          0, 0, nt_error,
 221                                          __LINE__,__FILE__);
 222                 }
 223
 224                 /* Send the packet */
 225                 show_msg((char *)req->outbuf);
 226                 if (!srv_send_smb(smbd_server_fd(),
 227                                 (char *)req->outbuf,
 228                                 IS_CONN_ENCRYPTED(conn))) {
 229                         exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
 230                 }
 231
 232                 TALLOC_FREE(req->outbuf);
 233
 234                 pp += params_sent_thistime;
 235                 pd += data_sent_thistime;
 236
 237                 params_to_send -= params_sent_thistime;
 238                 data_to_send -= data_sent_thistime;
 239
 240                 /*
 241                  * Sanity check
 242                  */
 243
 244                 if(params_to_send < 0 || data_to_send < 0) {
 245                         DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
 246                                 params_to_send, data_to_send));
 247                         exit_server_cleanly("send_nt_replies: internal error");
 248                 }
 249         }
 250 }
 251
 252 /****************************************************************************
 253  Is it an NTFS stream name ?
 254  An NTFS file name is <path>.<extention>:<stream name>:<stream type>
 255  $DATA can be used as both a stream name and a stream type. A missing stream
 256  name or type implies $DATA.
 257 ****************************************************************************/
 258
 259 bool is_ntfs_stream_name(const char *fname)
 260 {
 261         if (lp_posix_pathnames()) {
 262                 return False;
 263         }
 264         return (strchr_m(fname, ':') != NULL) ? True : False;
 265 }
 266
 267 /****************************************************************************
 268  Reply to an NT create and X call on a pipe
 269 ****************************************************************************/
 270
 271 static void nt_open_pipe(char *fname, connection_struct *conn,
 272                          struct smb_request *req, int *ppnum)
 273 {
 274         files_struct *fsp;
 275         NTSTATUS status;
 276
 277         DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
 278
 279         /* See if it is one we want to handle. */
 280
 281         if (!is_known_pipename(fname)) {
 282                 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
 283                                 ERRDOS, ERRbadpipe);
 284                 return;
 285         }
 286
 287         /* Strip \\ off the name. */
 288         fname++;
 289
 290         DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
 291
 292         status = np_open(req, conn, fname, &fsp);
 293         if (!NT_STATUS_IS_OK(status)) {
 294                 reply_nterror(req, status);
 295                 return;
 296         }
 297
 298         *ppnum = fsp->fnum;
 299         return;
 300 }
 301
 302 /****************************************************************************
 303  Reply to an NT create and X call for pipes.
 304 ****************************************************************************/
 305
 306 static void do_ntcreate_pipe_open(connection_struct *conn,
 307                                   struct smb_request *req)
 308 {
 309         char *fname = NULL;
 310         int pnum = -1;
 311         char *p = NULL;
 312         uint32 flags = IVAL(req->inbuf,smb_ntcreate_Flags);
 313         TALLOC_CTX *ctx = talloc_tos();
 314
 315         srvstr_pull_buf_talloc(ctx, (char *)req->inbuf, req->flags2, &fname,
 316                         smb_buf(req->inbuf), STR_TERMINATE);
 317
 318         if (!fname) {
 319                 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
 320                                 ERRDOS, ERRbadpipe);
 321                 return;
 322         }
 323         nt_open_pipe(fname, conn, req, &pnum);
 324
 325         if (req->outbuf) {
 326                 /* error reply */
 327                 return;
 328         }
 329
 330         /*
 331          * Deal with pipe return.
 332          */
 333
 334         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 335                 /* This is very strange. We
 336                  * return 50 words, but only set
 337                  * the wcnt to 42 ? It's definately
 338                  * what happens on the wire....
 339                  */
 340                 reply_outbuf(req, 50, 0);
 341                 SCVAL(req->outbuf,smb_wct,42);
 342         } else {
 343                 reply_outbuf(req, 34, 0);
 344         }
 345
 346         p = (char *)req->outbuf + smb_vwv2;
 347         p++;
 348         SSVAL(p,0,pnum);
 349         p += 2;
 350         SIVAL(p,0,FILE_WAS_OPENED);
 351         p += 4;
 352         p += 32;
 353         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 354         p += 20;
 355         /* File type. */
 356         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 357         /* Device state. */
 358         SSVAL(p,2, 0x5FF); /* ? */
 359         p += 4;
 360
 361         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 362                 p += 25;
 363                 SIVAL(p,0,FILE_GENERIC_ALL);
 364                 /*
 365                  * For pipes W2K3 seems to return
 366                  * 0x12019B next.
 367                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
 368                  */
 369                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
 370         }
 371
 372         DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
 373
 374         chain_reply(req);
 375 }
 376
 377 /****************************************************************************
 378  Reply to an NT create and X call.
 379 ****************************************************************************/
 380
 381 void reply_ntcreate_and_X(struct smb_request *req)
 382 {
 383         connection_struct *conn = req->conn;
 384         char *fname = NULL;
 385         uint32 flags;
 386         uint32 access_mask;
 387         uint32 file_attributes;
 388         uint32 share_access;
 389         uint32 create_disposition;
 390         uint32 create_options;
 391         uint16 root_dir_fid;
 392         uint64_t allocation_size;
 393         /* Breakout the oplock request bits so we can set the
 394            reply bits separately. */
 395         uint32 fattr=0;
 396         SMB_OFF_T file_len = 0;
 397         SMB_STRUCT_STAT sbuf;
 398         int info = 0;
 399         files_struct *fsp = NULL;
 400         char *p = NULL;
 401         struct timespec c_timespec;
 402         struct timespec a_timespec;
 403         struct timespec m_timespec;
 404         NTSTATUS status;
 405         int oplock_request;
 406         uint8_t oplock_granted = NO_OPLOCK_RETURN;
 407         TALLOC_CTX *ctx = talloc_tos();
 408
 409         START_PROFILE(SMBntcreateX);
 410
 411         if (req->wct < 24) {
 412                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 413                 return;
 414         }
 415
 416         flags = IVAL(req->inbuf,smb_ntcreate_Flags);
 417         access_mask = IVAL(req->inbuf,smb_ntcreate_DesiredAccess);
 418         file_attributes = IVAL(req->inbuf,smb_ntcreate_FileAttributes);
 419         share_access = IVAL(req->inbuf,smb_ntcreate_ShareAccess);
 420         create_disposition = IVAL(req->inbuf,smb_ntcreate_CreateDisposition);
 421         create_options = IVAL(req->inbuf,smb_ntcreate_CreateOptions);
 422         root_dir_fid = (uint16)IVAL(req->inbuf,smb_ntcreate_RootDirectoryFid);
 423
 424         allocation_size = (uint64_t)IVAL(req->inbuf,
 425                                              smb_ntcreate_AllocationSize);
 426 #ifdef LARGE_SMB_OFF_T
 427         allocation_size |= (((uint64_t)IVAL(
 428                                      req->inbuf,
 429                                      smb_ntcreate_AllocationSize + 4)) << 32);
 430 #endif
 431
 432         srvstr_get_path(ctx, (char *)req->inbuf, req->flags2, &fname,
 433                         smb_buf(req->inbuf), 0, STR_TERMINATE, &status);
 434
 435         if (!NT_STATUS_IS_OK(status)) {
 436                 reply_nterror(req, status);
 437                 END_PROFILE(SMBntcreateX);
 438                 return;
 439         }
 440
 441         DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
 442                   "file_attributes = 0x%x, share_access = 0x%x, "
 443                   "create_disposition = 0x%x create_options = 0x%x "
 444                   "root_dir_fid = 0x%x, fname = %s\n",
 445                         (unsigned int)flags,
 446                         (unsigned int)access_mask,
 447                         (unsigned int)file_attributes,
 448                         (unsigned int)share_access,
 449                         (unsigned int)create_disposition,
 450                         (unsigned int)create_options,
 451                         (unsigned int)root_dir_fid,
 452                         fname));
 453
 454         /*
 455          * we need to remove ignored bits when they come directly from the client
 456          * because we reuse some of them for internal stuff
 457          */
 458         create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
 459
 460         /*
 461          * If it's an IPC, use the pipe handler.
 462          */
 463
 464         if (IS_IPC(conn)) {
 465                 if (lp_nt_pipe_support()) {
 466                         do_ntcreate_pipe_open(conn, req);
 467                         END_PROFILE(SMBntcreateX);
 468                         return;
 469                 }
 470                 reply_doserror(req, ERRDOS, ERRnoaccess);
 471                 END_PROFILE(SMBntcreateX);
 472                 return;
 473         }
 474
 475         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 476         if (oplock_request) {
 477                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
 478                         ? BATCH_OPLOCK : 0;
 479         }
 480
 481         status = create_file(conn, req, root_dir_fid, fname,
 482                              access_mask, share_access, create_disposition,
 483                              create_options, file_attributes, oplock_request,
 484                              allocation_size, NULL, NULL, &fsp, &info, &sbuf);
 485
 486         if (!NT_STATUS_IS_OK(status)) {
 487                 if (open_was_deferred(req->mid)) {
 488                         /* We have re-scheduled this call, no error. */
 489                         END_PROFILE(SMBntcreateX);
 490                         return;
 491                 }
 492                 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_COLLISION)) {
 493                         reply_botherror(req, status, ERRDOS, ERRfilexists);
 494                 }
 495                 else {
 496                         reply_nterror(req, status);
 497                 }
 498                 END_PROFILE(SMBntcreateX);
 499                 return;
 500         }
 501
 502         /*
 503          * If the caller set the extended oplock request bit
 504          * and we granted one (by whatever means) - set the
 505          * correct bit for extended oplock reply.
 506          */
 507
 508         if (oplock_request &&
 509             (lp_fake_oplocks(SNUM(conn))
 510              || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
 511
 512                 /*
 513                  * Exclusive oplock granted
 514                  */
 515
 516                 if (flags & REQUEST_BATCH_OPLOCK) {
 517                         oplock_granted = BATCH_OPLOCK_RETURN;
 518                 } else {
 519                         oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
 520                 }
 521         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
 522                 oplock_granted = LEVEL_II_OPLOCK_RETURN;
 523         } else {
 524                 oplock_granted = NO_OPLOCK_RETURN;
 525         }
 526
 527         file_len = sbuf.st_size;
 528         fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
 529         if (fattr == 0) {
 530                 fattr = FILE_ATTRIBUTE_NORMAL;
 531         }
 532
 533         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 534                 /* This is very strange. We
 535                  * return 50 words, but only set
 536                  * the wcnt to 42 ? It's definately
 537                  * what happens on the wire....
 538                  */
 539                 reply_outbuf(req, 50, 0);
 540                 SCVAL(req->outbuf,smb_wct,42);
 541         } else {
 542                 reply_outbuf(req, 34, 0);
 543         }
 544
 545         p = (char *)req->outbuf + smb_vwv2;
 546
 547         SCVAL(p, 0, oplock_granted);
 548
 549         p++;
 550         SSVAL(p,0,fsp->fnum);
 551         p += 2;
 552         if ((create_disposition == FILE_SUPERSEDE)
 553             && (info == FILE_WAS_OVERWRITTEN)) {
 554                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
 555         } else {
 556                 SIVAL(p,0,info);
 557         }
 558         p += 4;
 559
 560         /* Create time. */
 561         c_timespec = get_create_timespec(
 562                 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
 563         a_timespec = get_atimespec(&sbuf);
 564         m_timespec = get_mtimespec(&sbuf);
 565
 566         if (lp_dos_filetime_resolution(SNUM(conn))) {
 567                 dos_filetime_timespec(&c_timespec);
 568                 dos_filetime_timespec(&a_timespec);
 569                 dos_filetime_timespec(&m_timespec);
 570         }
 571
 572         put_long_date_timespec(p, c_timespec); /* create time. */
 573         p += 8;
 574         put_long_date_timespec(p, a_timespec); /* access time */
 575         p += 8;
 576         put_long_date_timespec(p, m_timespec); /* write time */
 577         p += 8;
 578         put_long_date_timespec(p, m_timespec); /* change time */
 579         p += 8;
 580         SIVAL(p,0,fattr); /* File Attributes. */
 581         p += 4;
 582         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
 583         p += 8;
 584         SOFF_T(p,0,file_len);
 585         p += 8;
 586         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 587                 SSVAL(p,2,0x7);
 588         }
 589         p += 4;
 590         SCVAL(p,0,fsp->is_directory ? 1 : 0);
 591
 592         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 593                 uint32 perms = 0;
 594                 p += 25;
 595                 if (fsp->is_directory
 596                     || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
 597                         perms = FILE_GENERIC_ALL;
 598                 } else {
 599                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
 600                 }
 601                 SIVAL(p,0,perms);
 602         }
 603
 604         DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
 605                  fsp->fnum, fsp->fsp_name));
 606
 607         chain_reply(req);
 608         END_PROFILE(SMBntcreateX);
 609         return;
 610 }
 611
 612 /****************************************************************************
 613  Reply to a NT_TRANSACT_CREATE call to open a pipe.
 614 ****************************************************************************/
 615
 616 static void do_nt_transact_create_pipe(connection_struct *conn,
 617                                        struct smb_request *req,
 618                                        uint16 **ppsetup, uint32 setup_count,
 619                                        char **ppparams, uint32 parameter_count,
 620                                        char **ppdata, uint32 data_count)
 621 {
 622         char *fname = NULL;
 623         char *params = *ppparams;
 624         int pnum = -1;
 625         char *p = NULL;
 626         NTSTATUS status;
 627         size_t param_len;
 628         uint32 flags;
 629         TALLOC_CTX *ctx = talloc_tos();
 630
 631         /*
 632          * Ensure minimum number of parameters sent.
 633          */
 634
 635         if(parameter_count < 54) {
 636                 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
 637                 reply_doserror(req, ERRDOS, ERRnoaccess);
 638                 return;
 639         }
 640
 641         flags = IVAL(params,0);
 642
 643         srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
 644                         parameter_count-53, STR_TERMINATE,
 645                         &status);
 646         if (!NT_STATUS_IS_OK(status)) {
 647                 reply_nterror(req, status);
 648                 return;
 649         }
 650
 651         nt_open_pipe(fname, conn, req, &pnum);
 652
 653         if (req->outbuf) {
 654                 /* Error return */
 655                 return;
 656         }
 657
 658         /* Realloc the size of parameters and data we will return */
 659         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 660                 /* Extended response is 32 more byyes. */
 661                 param_len = 101;
 662         } else {
 663                 param_len = 69;
 664         }
 665         params = nttrans_realloc(ppparams, param_len);
 666         if(params == NULL) {
 667                 reply_doserror(req, ERRDOS, ERRnomem);
 668                 return;
 669         }
 670
 671         p = params;
 672         SCVAL(p,0,NO_OPLOCK_RETURN);
 673
 674         p += 2;
 675         SSVAL(p,0,pnum);
 676         p += 2;
 677         SIVAL(p,0,FILE_WAS_OPENED);
 678         p += 8;
 679
 680         p += 32;
 681         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 682         p += 20;
 683         /* File type. */
 684         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 685         /* Device state. */
 686         SSVAL(p,2, 0x5FF); /* ? */
 687         p += 4;
 688
 689         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 690                 p += 25;
 691                 SIVAL(p,0,FILE_GENERIC_ALL);
 692                 /*
 693                  * For pipes W2K3 seems to return
 694                  * 0x12019B next.
 695                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
 696                  */
 697                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
 698         }
 699
 700         DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
 701
 702         /* Send the required number of replies */
 703         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
 704
 705         return;
 706 }
 707
 708 /****************************************************************************
 709  Internal fn to set security descriptors.
 710 ****************************************************************************/
 711
 712 static NTSTATUS set_sd(files_struct *fsp, uint8 *data, uint32 sd_len,
 713                        uint32 security_info_sent)
 714 {
 715         SEC_DESC *psd = NULL;
 716         NTSTATUS status;
 717
 718         if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
 719                 return NT_STATUS_OK;
 720         }
 721
 722         status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
 723
 724         if (!NT_STATUS_IS_OK(status)) {
 725                 return status;
 726         }
 727
 728         if (psd->owner_sid==0) {
 729                 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
 730         }
 731         if (psd->group_sid==0) {
 732                 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
 733         }
 734         if (psd->sacl==0) {
 735                 security_info_sent &= ~SACL_SECURITY_INFORMATION;
 736         }
 737         if (psd->dacl==0) {
 738                 security_info_sent &= ~DACL_SECURITY_INFORMATION;
 739         }
 740
 741         /* Convert all the generic bits. */
 742         security_acl_map_generic(psd->dacl, &file_generic_mapping);
 743         security_acl_map_generic(psd->sacl, &file_generic_mapping);
 744
 745         status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
 746
 747         TALLOC_FREE(psd);
 748
 749         return status;
 750 }
 751
 752 /****************************************************************************
 753  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
 754 ****************************************************************************/
 755
 756 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
 757 {
 758         struct ea_list *ea_list_head = NULL;
 759         size_t offset = 0;
 760
 761         if (data_size < 4) {
 762                 return NULL;
 763         }
 764
 765         while (offset + 4 <= data_size) {
 766                 size_t next_offset = IVAL(pdata,offset);
 767                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
 768
 769                 if (!eal) {
 770                         return NULL;
 771                 }
 772
 773                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
 774                 if (next_offset == 0) {
 775                         break;
 776                 }
 777                 offset += next_offset;
 778         }
 779
 780         return ea_list_head;
 781 }
 782
 783 /****************************************************************************
 784  Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
 785 ****************************************************************************/
 786
 787 static void call_nt_transact_create(connection_struct *conn,
 788                                     struct smb_request *req,
 789                                     uint16 **ppsetup, uint32 setup_count,
 790                                     char **ppparams, uint32 parameter_count,
 791                                     char **ppdata, uint32 data_count,
 792                                     uint32 max_data_count)
 793 {
 794         char *fname = NULL;
 795         char *params = *ppparams;
 796         char *data = *ppdata;
 797         /* Breakout the oplock request bits so we can set the reply bits separately. */
 798         uint32 fattr=0;
 799         SMB_OFF_T file_len = 0;
 800         SMB_STRUCT_STAT sbuf;
 801         int info = 0;
 802         files_struct *fsp = NULL;
 803         char *p = NULL;
 804         uint32 flags;
 805         uint32 access_mask;
 806         uint32 file_attributes;
 807         uint32 share_access;
 808         uint32 create_disposition;
 809         uint32 create_options;
 810         uint32 sd_len;
 811         struct security_descriptor *sd = NULL;
 812         uint32 ea_len;
 813         uint16 root_dir_fid;
 814         struct timespec c_timespec;
 815         struct timespec a_timespec;
 816         struct timespec m_timespec;
 817         struct ea_list *ea_list = NULL;
 818         NTSTATUS status;
 819         size_t param_len;
 820         uint64_t allocation_size;
 821         int oplock_request;
 822         uint8_t oplock_granted;
 823         TALLOC_CTX *ctx = talloc_tos();
 824
 825         DEBUG(5,("call_nt_transact_create\n"));
 826
 827         /*
 828          * If it's an IPC, use the pipe handler.
 829          */
 830
 831         if (IS_IPC(conn)) {
 832                 if (lp_nt_pipe_support()) {
 833                         do_nt_transact_create_pipe(
 834                                 conn, req,
 835                                 ppsetup, setup_count,
 836                                 ppparams, parameter_count,
 837                                 ppdata, data_count);
 838                         return;
 839                 }
 840                 reply_doserror(req, ERRDOS, ERRnoaccess);
 841                 return;
 842         }
 843
 844         /*
 845          * Ensure minimum number of parameters sent.
 846          */
 847
 848         if(parameter_count < 54) {
 849                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
 850                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 851                 return;
 852         }
 853
 854         flags = IVAL(params,0);
 855         access_mask = IVAL(params,8);
 856         file_attributes = IVAL(params,20);
 857         share_access = IVAL(params,24);
 858         create_disposition = IVAL(params,28);
 859         create_options = IVAL(params,32);
 860         sd_len = IVAL(params,36);
 861         ea_len = IVAL(params,40);
 862         root_dir_fid = (uint16)IVAL(params,4);
 863         allocation_size = (uint64_t)IVAL(params,12);
 864 #ifdef LARGE_SMB_OFF_T
 865         allocation_size |= (((uint64_t)IVAL(params,16)) << 32);
 866 #endif
 867
 868         /*
 869          * we need to remove ignored bits when they come directly from the client
 870          * because we reuse some of them for internal stuff
 871          */
 872         create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
 873
 874         /* Ensure the data_len is correct for the sd and ea values given. */
 875         if ((ea_len + sd_len > data_count)
 876             || (ea_len > data_count) || (sd_len > data_count)
 877             || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
 878                 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
 879                            "%u, data_count = %u\n", (unsigned int)ea_len,
 880                            (unsigned int)sd_len, (unsigned int)data_count));
 881                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 882                 return;
 883         }
 884
 885         if (sd_len) {
 886                 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
 887                            sd_len));
 888
 889                 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
 890                                              &sd);
 891                 if (!NT_STATUS_IS_OK(status)) {
 892                         DEBUG(10, ("call_nt_transact_create: "
 893                                    "unmarshall_sec_desc failed: %s\n",
 894                                    nt_errstr(status)));
 895                         reply_nterror(req, status);
 896                         return;
 897                 }
 898         }
 899
 900         if (ea_len) {
 901                 if (!lp_ea_support(SNUM(conn))) {
 902                         DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
 903                                    "EA's not supported.\n",
 904                                    (unsigned int)ea_len));
 905                         reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
 906                         return;
 907                 }
 908
 909                 if (ea_len < 10) {
 910                         DEBUG(10,("call_nt_transact_create - ea_len = %u - "
 911                                   "too small (should be more than 10)\n",
 912                                   (unsigned int)ea_len ));
 913                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 914                         return;
 915                 }
 916
 917                 /* We have already checked that ea_len <= data_count here. */
 918                 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
 919                                                ea_len);
 920                 if (ea_list == NULL) {
 921                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 922                         return;
 923                 }
 924         }
 925
 926         srvstr_get_path(ctx, params, req->flags2, &fname,
 927                         params+53, parameter_count-53,
 928                         STR_TERMINATE, &status);
 929         if (!NT_STATUS_IS_OK(status)) {
 930                 reply_nterror(req, status);
 931                 return;
 932         }
 933
 934         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 935         if (oplock_request) {
 936                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
 937                         ? BATCH_OPLOCK : 0;
 938         }
 939
 940         status = create_file(conn, req, root_dir_fid, fname,
 941                              access_mask, share_access, create_disposition,
 942                              create_options, file_attributes, oplock_request,
 943                              allocation_size, sd, ea_list, &fsp, &info, &sbuf);
 944
 945         if(!NT_STATUS_IS_OK(status)) {
 946                 if (open_was_deferred(req->mid)) {
 947                         /* We have re-scheduled this call, no error. */
 948                         return;
 949                 }
 950                 reply_openerror(req, status);
 951                 return;
 952         }
 953
 954         /*
 955          * If the caller set the extended oplock request bit
 956          * and we granted one (by whatever means) - set the
 957          * correct bit for extended oplock reply.
 958          */
 959
 960         if (oplock_request &&
 961             (lp_fake_oplocks(SNUM(conn))
 962              || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
 963
 964                 /*
 965                  * Exclusive oplock granted
 966                  */
 967
 968                 if (flags & REQUEST_BATCH_OPLOCK) {
 969                         oplock_granted = BATCH_OPLOCK_RETURN;
 970                 } else {
 971                         oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
 972                 }
 973         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
 974                 oplock_granted = LEVEL_II_OPLOCK_RETURN;
 975         } else {
 976                 oplock_granted = NO_OPLOCK_RETURN;
 977         }
 978
 979         file_len = sbuf.st_size;
 980         fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
 981         if (fattr == 0) {
 982                 fattr = FILE_ATTRIBUTE_NORMAL;
 983         }
 984
 985         /* Realloc the size of parameters and data we will return */
 986         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 987                 /* Extended response is 32 more byyes. */
 988                 param_len = 101;
 989         } else {
 990                 param_len = 69;
 991         }
 992         params = nttrans_realloc(ppparams, param_len);
 993         if(params == NULL) {
 994                 reply_doserror(req, ERRDOS, ERRnomem);
 995                 return;
 996         }
 997
 998         p = params;
 999         SCVAL(p, 0, oplock_granted);
1000
1001         p += 2;
1002         SSVAL(p,0,fsp->fnum);
1003         p += 2;
1004         if ((create_disposition == FILE_SUPERSEDE)
1005             && (info == FILE_WAS_OVERWRITTEN)) {
1006                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1007         } else {
1008                 SIVAL(p,0,info);
1009         }
1010         p += 8;
1011
1012         /* Create time. */
1013         c_timespec = get_create_timespec(
1014                 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
1015         a_timespec = get_atimespec(&sbuf);
1016         m_timespec = get_mtimespec(&sbuf);
1017
1018         if (lp_dos_filetime_resolution(SNUM(conn))) {
1019                 dos_filetime_timespec(&c_timespec);
1020                 dos_filetime_timespec(&a_timespec);
1021                 dos_filetime_timespec(&m_timespec);
1022         }
1023
1024         put_long_date_timespec(p, c_timespec); /* create time. */
1025         p += 8;
1026         put_long_date_timespec(p, a_timespec); /* access time */
1027         p += 8;
1028         put_long_date_timespec(p, m_timespec); /* write time */
1029         p += 8;
1030         put_long_date_timespec(p, m_timespec); /* change time */
1031         p += 8;
1032         SIVAL(p,0,fattr); /* File Attributes. */
1033         p += 4;
1034         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1035         p += 8;
1036         SOFF_T(p,0,file_len);
1037         p += 8;
1038         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1039                 SSVAL(p,2,0x7);
1040         }
1041         p += 4;
1042         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1043
1044         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1045                 uint32 perms = 0;
1046                 p += 25;
1047                 if (fsp->is_directory
1048                     || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
1049                         perms = FILE_GENERIC_ALL;
1050                 } else {
1051                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
1052                 }
1053                 SIVAL(p,0,perms);
1054         }
1055
1056         DEBUG(5,("call_nt_transact_create: open name = %s\n", fsp->fsp_name));
1057
1058         /* Send the required number of replies */
1059         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1060
1061         return;
1062 }
1063
1064 /****************************************************************************
1065  Reply to a NT CANCEL request.
1066  conn POINTER CAN BE NULL HERE !
1067 ****************************************************************************/
1068
1069 void reply_ntcancel(struct smb_request *req)
1070 {
1071         /*
1072          * Go through and cancel any pending change notifies.
1073          */
1074
1075         START_PROFILE(SMBntcancel);
1076         remove_pending_change_notify_requests_by_mid(req->mid);
1077         remove_pending_lock_requests_by_mid(req->mid);
1078         srv_cancel_sign_response(req->mid);
1079
1080         DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1081
1082         END_PROFILE(SMBntcancel);
1083         return;
1084 }
1085
1086 /****************************************************************************
1087  Copy a file.
1088 ****************************************************************************/
1089
1090 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1091                                 connection_struct *conn,
1092                                 struct smb_request *req,
1093                                 const char *oldname_in,
1094                                 const char *newname_in,
1095                                 uint32 attrs)
1096 {
1097         SMB_STRUCT_STAT sbuf1, sbuf2;
1098         char *oldname = NULL;
1099         char *newname = NULL;
1100         char *last_component_oldname = NULL;
1101         char *last_component_newname = NULL;
1102         files_struct *fsp1,*fsp2;
1103         uint32 fattr;
1104         int info;
1105         SMB_OFF_T ret=-1;
1106         NTSTATUS status = NT_STATUS_OK;
1107
1108         ZERO_STRUCT(sbuf1);
1109         ZERO_STRUCT(sbuf2);
1110
1111         if (!CAN_WRITE(conn)) {
1112                 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1113         }
1114
1115         status = unix_convert(ctx, conn, oldname_in, False, &oldname,
1116                         &last_component_oldname, &sbuf1);
1117         if (!NT_STATUS_IS_OK(status)) {
1118                 return status;
1119         }
1120
1121         status = check_name(conn, oldname);
1122         if (!NT_STATUS_IS_OK(status)) {
1123                 return status;
1124         }
1125
1126         /* Source must already exist. */
1127         if (!VALID_STAT(sbuf1)) {
1128                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1129         }
1130         /* Ensure attributes match. */
1131         fattr = dos_mode(conn,oldname,&sbuf1);
1132         if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1133                 return NT_STATUS_NO_SUCH_FILE;
1134         }
1135
1136         status = unix_convert(ctx, conn, newname_in, False, &newname,
1137                         &last_component_newname, &sbuf2);
1138         if (!NT_STATUS_IS_OK(status)) {
1139                 return status;
1140         }
1141
1142         status = check_name(conn, newname);
1143         if (!NT_STATUS_IS_OK(status)) {
1144                 return status;
1145         }
1146
1147         /* Disallow if newname already exists. */
1148         if (VALID_STAT(sbuf2)) {
1149                 return NT_STATUS_OBJECT_NAME_COLLISION;
1150         }
1151
1152         /* No links from a directory. */
1153         if (S_ISDIR(sbuf1.st_mode)) {
1154                 return NT_STATUS_FILE_IS_A_DIRECTORY;
1155         }
1156
1157         /* Ensure this is within the share. */
1158         status = check_reduced_name(conn, oldname);
1159         if (!NT_STATUS_IS_OK(status)) {
1160                 return status;
1161         }
1162
1163         DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1164                                 oldname, newname));
1165
1166         status = open_file_ntcreate(conn, req, oldname, &sbuf1,
1167                         FILE_READ_DATA, /* Read-only. */
1168                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1169                         FILE_OPEN,
1170                         0, /* No create options. */
1171                         FILE_ATTRIBUTE_NORMAL,
1172                         NO_OPLOCK,
1173                         &info, &fsp1);
1174
1175         if (!NT_STATUS_IS_OK(status)) {
1176                 return status;
1177         }
1178
1179         status = open_file_ntcreate(conn, req, newname, &sbuf2,
1180                         FILE_WRITE_DATA, /* Read-only. */
1181                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1182                         FILE_CREATE,
1183                         0, /* No create options. */
1184                         fattr,
1185                         NO_OPLOCK,
1186                         &info, &fsp2);
1187
1188         if (!NT_STATUS_IS_OK(status)) {
1189                 close_file(NULL, fsp1, ERROR_CLOSE);
1190                 return status;
1191         }
1192
1193         if (sbuf1.st_size) {
1194                 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1195         }
1196
1197         /*
1198          * As we are opening fsp1 read-only we only expect
1199          * an error on close on fsp2 if we are out of space.
1200          * Thus we don't look at the error return from the
1201          * close of fsp1.
1202          */
1203         close_file(NULL, fsp1, NORMAL_CLOSE);
1204
1205         /* Ensure the modtime is set correctly on the destination file. */
1206         set_close_write_time(fsp2, get_mtimespec(&sbuf1));
1207
1208         status = close_file(NULL, fsp2, NORMAL_CLOSE);
1209
1210         /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1211            creates the file. This isn't the correct thing to do in the copy
1212            case. JRA */
1213         file_set_dosmode(conn, newname, fattr, &sbuf2,
1214                          parent_dirname(newname),false);
1215
1216         if (ret < (SMB_OFF_T)sbuf1.st_size) {
1217                 return NT_STATUS_DISK_FULL;
1218         }
1219
1220         if (!NT_STATUS_IS_OK(status)) {
1221                 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1222                         nt_errstr(status), oldname, newname));
1223         }
1224         return status;
1225 }
1226
1227 /****************************************************************************
1228  Reply to a NT rename request.
1229 ****************************************************************************/
1230
1231 void reply_ntrename(struct smb_request *req)
1232 {
1233         connection_struct *conn = req->conn;
1234         char *oldname = NULL;
1235         char *newname = NULL;
1236         char *p;
1237         NTSTATUS status;
1238         bool src_has_wcard = False;
1239         bool dest_has_wcard = False;
1240         uint32 attrs;
1241         uint16 rename_type;
1242         TALLOC_CTX *ctx = talloc_tos();
1243
1244         START_PROFILE(SMBntrename);
1245
1246         if (req->wct < 4) {
1247                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1248                 END_PROFILE(SMBntrename);
1249                 return;
1250         }
1251
1252         attrs = SVAL(req->inbuf,smb_vwv0);
1253         rename_type = SVAL(req->inbuf,smb_vwv1);
1254
1255         p = smb_buf(req->inbuf) + 1;
1256         p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &oldname, p,
1257                                    0, STR_TERMINATE, &status,
1258                                    &src_has_wcard);
1259         if (!NT_STATUS_IS_OK(status)) {
1260                 reply_nterror(req, status);
1261                 END_PROFILE(SMBntrename);
1262                 return;
1263         }
1264
1265         if( is_ntfs_stream_name(oldname)) {
1266                 /* Can't rename a stream. */
1267                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1268                 END_PROFILE(SMBntrename);
1269                 return;
1270         }
1271
1272         if (ms_has_wild(oldname)) {
1273                 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1274                 END_PROFILE(SMBntrename);
1275                 return;
1276         }
1277
1278         p++;
1279         p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &newname, p,
1280                                    0, STR_TERMINATE, &status,
1281                                    &dest_has_wcard);
1282         if (!NT_STATUS_IS_OK(status)) {
1283                 reply_nterror(req, status);
1284                 END_PROFILE(SMBntrename);
1285                 return;
1286         }
1287
1288         status = resolve_dfspath(ctx, conn,
1289                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
1290                                 oldname,
1291                                 &oldname);
1292         if (!NT_STATUS_IS_OK(status)) {
1293                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1294                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1295                                         ERRSRV, ERRbadpath);
1296                         END_PROFILE(SMBntrename);
1297                         return;
1298                 }
1299                 reply_nterror(req, status);
1300                 END_PROFILE(SMBntrename);
1301                 return;
1302         }
1303
1304         status = resolve_dfspath(ctx, conn,
1305                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
1306                                 newname,
1307                                 &newname);
1308         if (!NT_STATUS_IS_OK(status)) {
1309                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1310                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1311                                         ERRSRV, ERRbadpath);
1312                         END_PROFILE(SMBntrename);
1313                         return;
1314                 }
1315                 reply_nterror(req, status);
1316                 END_PROFILE(SMBntrename);
1317                 return;
1318         }
1319
1320         DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1321
1322         switch(rename_type) {
1323                 case RENAME_FLAG_RENAME:
1324                         status = rename_internals(ctx, conn, req, oldname,
1325                                         newname, attrs, False, src_has_wcard,
1326                                         dest_has_wcard, DELETE_ACCESS);
1327                         break;
1328                 case RENAME_FLAG_HARD_LINK:
1329                         if (src_has_wcard || dest_has_wcard) {
1330                                 /* No wildcards. */
1331                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1332                         } else {
1333                                 status = hardlink_internals(ctx,
1334                                                 conn,
1335                                                 oldname,
1336                                                 newname);
1337                         }
1338                         break;
1339                 case RENAME_FLAG_COPY:
1340                         if (src_has_wcard || dest_has_wcard) {
1341                                 /* No wildcards. */
1342                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1343                         } else {
1344                                 status = copy_internals(ctx, conn, req, oldname,
1345                                                         newname, attrs);
1346                         }
1347                         break;
1348                 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1349                         status = NT_STATUS_INVALID_PARAMETER;
1350                         break;
1351                 default:
1352                         status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1353                         break;
1354         }
1355
1356         if (!NT_STATUS_IS_OK(status)) {
1357                 if (open_was_deferred(req->mid)) {
1358                         /* We have re-scheduled this call. */
1359                         END_PROFILE(SMBntrename);
1360                         return;
1361                 }
1362
1363                 reply_nterror(req, status);
1364                 END_PROFILE(SMBntrename);
1365                 return;
1366         }
1367
1368         reply_outbuf(req, 0, 0);
1369
1370         END_PROFILE(SMBntrename);
1371         return;
1372 }
1373
1374 /****************************************************************************
1375  Reply to a notify change - queue the request and
1376  don't allow a directory to be opened.
1377 ****************************************************************************/
1378
1379 static void call_nt_transact_notify_change(connection_struct *conn,
1380                                            struct smb_request *req,
1381                                            uint16 **ppsetup,
1382                                            uint32 setup_count,
1383                                            char **ppparams,
1384                                            uint32 parameter_count,
1385                                            char **ppdata, uint32 data_count,
1386                                            uint32 max_data_count,
1387                                            uint32 max_param_count)
1388 {
1389         uint16 *setup = *ppsetup;
1390         files_struct *fsp;
1391         uint32 filter;
1392         NTSTATUS status;
1393         bool recursive;
1394
1395         if(setup_count < 6) {
1396                 reply_doserror(req, ERRDOS, ERRbadfunc);
1397                 return;
1398         }
1399
1400         fsp = file_fsp(req, SVAL(setup,4));
1401         filter = IVAL(setup, 0);
1402         recursive = (SVAL(setup, 6) != 0) ? True : False;
1403
1404         DEBUG(3,("call_nt_transact_notify_change\n"));
1405
1406         if(!fsp) {
1407                 reply_doserror(req, ERRDOS, ERRbadfid);
1408                 return;
1409         }
1410
1411         {
1412                 char *filter_string;
1413
1414                 if (!(filter_string = notify_filter_string(NULL, filter))) {
1415                         reply_nterror(req,NT_STATUS_NO_MEMORY);
1416                         return;
1417                 }
1418
1419                 DEBUG(3,("call_nt_transact_notify_change: notify change "
1420                          "called on %s, filter = %s, recursive = %d\n",
1421                          fsp->fsp_name, filter_string, recursive));
1422
1423                 TALLOC_FREE(filter_string);
1424         }
1425
1426         if((!fsp->is_directory) || (conn != fsp->conn)) {
1427                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1428                 return;
1429         }
1430
1431         if (fsp->notify == NULL) {
1432
1433                 status = change_notify_create(fsp, filter, recursive);
1434
1435                 if (!NT_STATUS_IS_OK(status)) {
1436                         DEBUG(10, ("change_notify_create returned %s\n",
1437                                    nt_errstr(status)));
1438                         reply_nterror(req, status);
1439                         return;
1440                 }
1441         }
1442
1443         if (fsp->notify->num_changes != 0) {
1444
1445                 /*
1446                  * We've got changes pending, respond immediately
1447                  */
1448
1449                 /*
1450                  * TODO: write a torture test to check the filtering behaviour
1451                  * here.
1452                  */
1453
1454                 change_notify_reply(fsp->conn, req->inbuf, max_param_count, fsp->notify);
1455
1456                 /*
1457                  * change_notify_reply() above has independently sent its
1458                  * results
1459                  */
1460                 return;
1461         }
1462
1463         /*
1464          * No changes pending, queue the request
1465          */
1466
1467         status = change_notify_add_request(req,
1468                         max_param_count,
1469                         filter,
1470                         recursive, fsp);
1471         if (!NT_STATUS_IS_OK(status)) {
1472                 reply_nterror(req, status);
1473         }
1474         return;
1475 }
1476
1477 /****************************************************************************
1478  Reply to an NT transact rename command.
1479 ****************************************************************************/
1480
1481 static void call_nt_transact_rename(connection_struct *conn,
1482                                     struct smb_request *req,
1483                                     uint16 **ppsetup, uint32 setup_count,
1484                                     char **ppparams, uint32 parameter_count,
1485                                     char **ppdata, uint32 data_count,
1486                                     uint32 max_data_count)
1487 {
1488         char *params = *ppparams;
1489         char *new_name = NULL;
1490         files_struct *fsp = NULL;
1491         bool dest_has_wcard = False;
1492         NTSTATUS status;
1493         TALLOC_CTX *ctx = talloc_tos();
1494
1495         if(parameter_count < 5) {
1496                 reply_doserror(req, ERRDOS, ERRbadfunc);
1497                 return;
1498         }
1499
1500         fsp = file_fsp(req, SVAL(params, 0));
1501         if (!check_fsp(conn, req, fsp)) {
1502                 return;
1503         }
1504         srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1505                               parameter_count - 4,
1506                               STR_TERMINATE, &status, &dest_has_wcard);
1507         if (!NT_STATUS_IS_OK(status)) {
1508                 reply_nterror(req, status);
1509                 return;
1510         }
1511
1512         /*
1513          * W2K3 ignores this request as the RAW-RENAME test
1514          * demonstrates, so we do.
1515          */
1516         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1517
1518         DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1519                  fsp->fsp_name, new_name));
1520
1521         return;
1522 }
1523
1524 /******************************************************************************
1525  Fake up a completely empty SD.
1526 *******************************************************************************/
1527
1528 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1529 {
1530         size_t sd_size;
1531
1532         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1533         if(!*ppsd) {
1534                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1535                 return NT_STATUS_NO_MEMORY;
1536         }
1537
1538         return NT_STATUS_OK;
1539 }
1540
1541 /****************************************************************************
1542  Reply to query a security descriptor.
1543 ****************************************************************************/
1544
1545 static void call_nt_transact_query_security_desc(connection_struct *conn,
1546                                                  struct smb_request *req,
1547                                                  uint16 **ppsetup,
1548                                                  uint32 setup_count,
1549                                                  char **ppparams,
1550                                                  uint32 parameter_count,
1551                                                  char **ppdata,
1552                                                  uint32 data_count,
1553                                                  uint32 max_data_count)
1554 {
1555         char *params = *ppparams;
1556         char *data = *ppdata;
1557         SEC_DESC *psd = NULL;
1558         size_t sd_size;
1559         uint32 security_info_wanted;
1560         files_struct *fsp = NULL;
1561         NTSTATUS status;
1562         DATA_BLOB blob;
1563
1564         if(parameter_count < 8) {
1565                 reply_doserror(req, ERRDOS, ERRbadfunc);
1566                 return;
1567         }
1568
1569         fsp = file_fsp(req, SVAL(params,0));
1570         if(!fsp) {
1571                 reply_doserror(req, ERRDOS, ERRbadfid);
1572                 return;
1573         }
1574
1575         security_info_wanted = IVAL(params,4);
1576
1577         DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
1578                         (unsigned int)security_info_wanted ));
1579
1580         params = nttrans_realloc(ppparams, 4);
1581         if(params == NULL) {
1582                 reply_doserror(req, ERRDOS, ERRnomem);
1583                 return;
1584         }
1585
1586         /*
1587          * Get the permissions to return.
1588          */
1589
1590         if (!lp_nt_acl_support(SNUM(conn))) {
1591                 status = get_null_nt_acl(talloc_tos(), &psd);
1592         } else {
1593                 status = SMB_VFS_FGET_NT_ACL(
1594                         fsp, security_info_wanted, &psd);
1595         }
1596
1597         if (!NT_STATUS_IS_OK(status)) {
1598                 reply_nterror(req, status);
1599                 return;
1600         }
1601
1602         sd_size = ndr_size_security_descriptor(psd, 0);
1603
1604         DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1605
1606         SIVAL(params,0,(uint32)sd_size);
1607
1608         if (max_data_count < sd_size) {
1609                 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1610                                 params, 4, *ppdata, 0);
1611                 return;
1612         }
1613
1614         /*
1615          * Allocate the data we will point this at.
1616          */
1617
1618         data = nttrans_realloc(ppdata, sd_size);
1619         if(data == NULL) {
1620                 reply_doserror(req, ERRDOS, ERRnomem);
1621                 return;
1622         }
1623
1624         status = marshall_sec_desc(talloc_tos(), psd,
1625                                    &blob.data, &blob.length);
1626
1627         if (!NT_STATUS_IS_OK(status)) {
1628                 reply_nterror(req, status);
1629                 return;
1630         }
1631
1632         SMB_ASSERT(sd_size == blob.length);
1633         memcpy(data, blob.data, sd_size);
1634
1635         send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1636
1637         return;
1638 }
1639
1640 /****************************************************************************
1641  Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1642 ****************************************************************************/
1643
1644 static void call_nt_transact_set_security_desc(connection_struct *conn,
1645                                                struct smb_request *req,
1646                                                uint16 **ppsetup,
1647                                                uint32 setup_count,
1648                                                char **ppparams,
1649                                                uint32 parameter_count,
1650                                                char **ppdata,
1651                                                uint32 data_count,
1652                                                uint32 max_data_count)
1653 {
1654         char *params= *ppparams;
1655         char *data = *ppdata;
1656         files_struct *fsp = NULL;
1657         uint32 security_info_sent = 0;
1658         NTSTATUS status;
1659
1660         if(parameter_count < 8) {
1661                 reply_doserror(req, ERRDOS, ERRbadfunc);
1662                 return;
1663         }
1664
1665         if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
1666                 reply_doserror(req, ERRDOS, ERRbadfid);
1667                 return;
1668         }
1669
1670         if(!lp_nt_acl_support(SNUM(conn))) {
1671                 goto done;
1672         }
1673
1674         security_info_sent = IVAL(params,4);
1675
1676         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
1677                 (unsigned int)security_info_sent ));
1678
1679         if (data_count == 0) {
1680                 reply_doserror(req, ERRDOS, ERRnoaccess);
1681                 return;
1682         }
1683
1684         status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
1685
1686         if (!NT_STATUS_IS_OK(status)) {
1687                 reply_nterror(req, status);
1688                 return;
1689         }
1690
1691   done:
1692         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1693         return;
1694 }
1695
1696 /****************************************************************************
1697  Reply to NT IOCTL
1698 ****************************************************************************/
1699
1700 static void call_nt_transact_ioctl(connection_struct *conn,
1701                                    struct smb_request *req,
1702                                    uint16 **ppsetup, uint32 setup_count,
1703                                    char **ppparams, uint32 parameter_count,
1704                                    char **ppdata, uint32 data_count,
1705                                    uint32 max_data_count)
1706 {
1707         uint32 function;
1708         uint16 fidnum;
1709         files_struct *fsp;
1710         uint8 isFSctl;
1711         uint8 compfilter;
1712         static bool logged_message;
1713         char *pdata = *ppdata;
1714
1715         if (setup_count != 8) {
1716                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1717                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1718                 return;
1719         }
1720
1721         function = IVAL(*ppsetup, 0);
1722         fidnum = SVAL(*ppsetup, 4);
1723         isFSctl = CVAL(*ppsetup, 6);
1724         compfilter = CVAL(*ppsetup, 7);
1725
1726         DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
1727                  function, fidnum, isFSctl, compfilter));
1728
1729         fsp=file_fsp(req, fidnum);
1730         /* this check is done in each implemented function case for now
1731            because I don't want to break anything... --metze
1732         FSP_BELONGS_CONN(fsp,conn);*/
1733
1734         switch (function) {
1735         case FSCTL_SET_SPARSE:
1736                 /* pretend this succeeded - tho strictly we should
1737                    mark the file sparse (if the local fs supports it)
1738                    so we can know if we need to pre-allocate or not */
1739
1740                 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
1741                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1742                 return;
1743
1744         case FSCTL_CREATE_OR_GET_OBJECT_ID:
1745         {
1746                 unsigned char objid[16];
1747
1748                 /* This should return the object-id on this file.
1749                  * I think I'll make this be the inode+dev. JRA.
1750                  */
1751
1752                 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
1753
1754                 if (!fsp_belongs_conn(conn, req, fsp)) {
1755                         return;
1756                 }
1757
1758                 data_count = 64;
1759                 pdata = nttrans_realloc(ppdata, data_count);
1760                 if (pdata == NULL) {
1761                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1762                         return;
1763                 }
1764                 push_file_id_16(pdata, &fsp->file_id);
1765                 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
1766                 push_file_id_16(pdata+32, &fsp->file_id);
1767                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1768                                 pdata, data_count);
1769                 return;
1770         }
1771
1772         case FSCTL_GET_REPARSE_POINT:
1773                 /* pretend this fail - my winXP does it like this
1774                  * --metze
1775                  */
1776
1777                 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1778                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1779                 return;
1780
1781         case FSCTL_SET_REPARSE_POINT:
1782                 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
1783                  * --metze
1784                  */
1785
1786                 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1787                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1788                 return;
1789
1790         case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
1791         {
1792                 /*
1793                  * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
1794                  * and return their volume names.  If max_data_count is 16, then it is just
1795                  * asking for the number of volumes and length of the combined names.
1796                  *
1797                  * pdata is the data allocated by our caller, but that uses
1798                  * total_data_count (which is 0 in our case) rather than max_data_count.
1799                  * Allocate the correct amount and return the pointer to let
1800                  * it be deallocated when we return.
1801                  */
1802                 SHADOW_COPY_DATA *shadow_data = NULL;
1803                 TALLOC_CTX *shadow_mem_ctx = NULL;
1804                 bool labels = False;
1805                 uint32 labels_data_count = 0;
1806                 uint32 i;
1807                 char *cur_pdata;
1808
1809                 if (!fsp_belongs_conn(conn, req, fsp)) {
1810                         return;
1811                 }
1812
1813                 if (max_data_count < 16) {
1814                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
1815                                 max_data_count));
1816                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1817                         return;
1818                 }
1819
1820                 if (max_data_count > 16) {
1821                         labels = True;
1822                 }
1823
1824                 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
1825                 if (shadow_mem_ctx == NULL) {
1826                         DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
1827                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1828                         return;
1829                 }
1830
1831                 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
1832                 if (shadow_data == NULL) {
1833                         DEBUG(0,("TALLOC_ZERO() failed!\n"));
1834                         talloc_destroy(shadow_mem_ctx);
1835                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1836                         return;
1837                 }
1838
1839                 shadow_data->mem_ctx = shadow_mem_ctx;
1840
1841                 /*
1842                  * Call the VFS routine to actually do the work.
1843                  */
1844                 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
1845                         talloc_destroy(shadow_data->mem_ctx);
1846                         if (errno == ENOSYS) {
1847                                 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
1848                                         conn->connectpath));
1849                                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1850                                 return;
1851                         } else {
1852                                 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
1853                                         conn->connectpath));
1854                                 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
1855                                 return;
1856                         }
1857                 }
1858
1859                 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
1860
1861                 if (!labels) {
1862                         data_count = 16;
1863                 } else {
1864                         data_count = 12+labels_data_count+4;
1865                 }
1866
1867                 if (max_data_count<data_count) {
1868                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
1869                                 max_data_count,data_count));
1870                         talloc_destroy(shadow_data->mem_ctx);
1871                         reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
1872                         return;
1873                 }
1874
1875                 pdata = nttrans_realloc(ppdata, data_count);
1876                 if (pdata == NULL) {
1877                         talloc_destroy(shadow_data->mem_ctx);
1878                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1879                         return;
1880                 }
1881
1882                 cur_pdata = pdata;
1883
1884                 /* num_volumes 4 bytes */
1885                 SIVAL(pdata,0,shadow_data->num_volumes);
1886
1887                 if (labels) {
1888                         /* num_labels 4 bytes */
1889                         SIVAL(pdata,4,shadow_data->num_volumes);
1890                 }
1891
1892                 /* needed_data_count 4 bytes */
1893                 SIVAL(pdata,8,labels_data_count);
1894
1895                 cur_pdata+=12;
1896
1897                 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
1898                         shadow_data->num_volumes,fsp->fsp_name));
1899                 if (labels && shadow_data->labels) {
1900                         for (i=0;i<shadow_data->num_volumes;i++) {
1901                                 srvstr_push(pdata, req->flags2,
1902                                             cur_pdata, shadow_data->labels[i],
1903                                             2*sizeof(SHADOW_COPY_LABEL),
1904                                             STR_UNICODE|STR_TERMINATE);
1905                                 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
1906                                 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
1907                         }
1908                 }
1909
1910                 talloc_destroy(shadow_data->mem_ctx);
1911
1912                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1913                                 pdata, data_count);
1914
1915                 return;
1916         }
1917
1918         case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
1919         {
1920                 /* pretend this succeeded -
1921                  *
1922                  * we have to send back a list with all files owned by this SID
1923                  *
1924                  * but I have to check that --metze
1925                  */
1926                 DOM_SID sid;
1927                 uid_t uid;
1928                 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
1929
1930                 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
1931
1932                 if (!fsp_belongs_conn(conn, req, fsp)) {
1933                         return;
1934                 }
1935
1936                 /* unknown 4 bytes: this is not the length of the sid :-(  */
1937                 /*unknown = IVAL(pdata,0);*/
1938
1939                 sid_parse(pdata+4,sid_len,&sid);
1940                 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
1941
1942                 if (!sid_to_uid(&sid, &uid)) {
1943                         DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
1944                                  sid_string_dbg(&sid),
1945                                  (unsigned long)sid_len));
1946                         uid = (-1);
1947                 }
1948
1949                 /* we can take a look at the find source :-)
1950                  *
1951                  * find ./ -uid $uid  -name '*'   is what we need here
1952                  *
1953                  *
1954                  * and send 4bytes len and then NULL terminated unicode strings
1955                  * for each file
1956                  *
1957                  * but I don't know how to deal with the paged results
1958                  * (maybe we can hang the result anywhere in the fsp struct)
1959                  *
1960                  * we don't send all files at once
1961                  * and at the next we should *not* start from the beginning,
1962                  * so we have to cache the result
1963                  *
1964                  * --metze
1965                  */
1966
1967                 /* this works for now... */
1968                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1969                 return;
1970         }
1971         default:
1972                 if (!logged_message) {
1973                         logged_message = True; /* Only print this once... */
1974                         DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
1975                                  function));
1976                 }
1977         }
1978
1979         reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1980 }
1981
1982
1983 #ifdef HAVE_SYS_QUOTAS
1984 /****************************************************************************
1985  Reply to get user quota
1986 ****************************************************************************/
1987
1988 static void call_nt_transact_get_user_quota(connection_struct *conn,
1989                                             struct smb_request *req,
1990                                             uint16 **ppsetup,
1991                                             uint32 setup_count,
1992                                             char **ppparams,
1993                                             uint32 parameter_count,
1994                                             char **ppdata,
1995                                             uint32 data_count,
1996                                             uint32 max_data_count)
1997 {
1998         NTSTATUS nt_status = NT_STATUS_OK;
1999         char *params = *ppparams;
2000         char *pdata = *ppdata;
2001         char *entry;
2002         int data_len=0,param_len=0;
2003         int qt_len=0;
2004         int entry_len = 0;
2005         files_struct *fsp = NULL;
2006         uint16 level = 0;
2007         size_t sid_len;
2008         DOM_SID sid;
2009         bool start_enum = True;
2010         SMB_NTQUOTA_STRUCT qt;
2011         SMB_NTQUOTA_LIST *tmp_list;
2012         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2013
2014         ZERO_STRUCT(qt);
2015
2016         /* access check */
2017         if (conn->server_info->utok.uid != 0) {
2018                 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2019                          "[%s]\n", lp_servicename(SNUM(conn)),
2020                          conn->server_info->unix_name));
2021                 reply_doserror(req, ERRDOS, ERRnoaccess);
2022                 return;
2023         }
2024
2025         /*
2026          * Ensure minimum number of parameters sent.
2027          */
2028
2029         if (parameter_count < 4) {
2030                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2031                 reply_doserror(req, ERRDOS, ERRinvalidparam);
2032                 return;
2033         }
2034
2035         /* maybe we can check the quota_fnum */
2036         fsp = file_fsp(req, SVAL(params,0));
2037         if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2038                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2039                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2040                 return;
2041         }
2042
2043         /* the NULL pointer checking for fsp->fake_file_handle->pd
2044          * is done by CHECK_NTQUOTA_HANDLE_OK()
2045          */
2046         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2047
2048         level = SVAL(params,2);
2049
2050         /* unknown 12 bytes leading in params */
2051
2052         switch (level) {
2053                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2054                         /* seems that we should continue with the enum here --metze */
2055
2056                         if (qt_handle->quota_list!=NULL &&
2057                             qt_handle->tmp_list==NULL) {
2058
2059                                 /* free the list */
2060                                 free_ntquota_list(&(qt_handle->quota_list));
2061
2062                                 /* Realloc the size of parameters and data we will return */
2063                                 param_len = 4;
2064                                 params = nttrans_realloc(ppparams, param_len);
2065                                 if(params == NULL) {
2066                                         reply_doserror(req, ERRDOS, ERRnomem);
2067                                         return;
2068                                 }
2069
2070                                 data_len = 0;
2071                                 SIVAL(params,0,data_len);
2072
2073                                 break;
2074                         }
2075
2076                         start_enum = False;
2077
2078                 case TRANSACT_GET_USER_QUOTA_LIST_START:
2079
2080                         if (qt_handle->quota_list==NULL &&
2081                                 qt_handle->tmp_list==NULL) {
2082                                 start_enum = True;
2083                         }
2084
2085                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2086                                 reply_doserror(req, ERRSRV, ERRerror);
2087                                 return;
2088                         }
2089
2090                         /* Realloc the size of parameters and data we will return */
2091                         param_len = 4;
2092                         params = nttrans_realloc(ppparams, param_len);
2093                         if(params == NULL) {
2094                                 reply_doserror(req, ERRDOS, ERRnomem);
2095                                 return;
2096                         }
2097
2098                         /* we should not trust the value in max_data_count*/
2099                         max_data_count = MIN(max_data_count,2048);
2100
2101                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2102                         if(pdata == NULL) {
2103                                 reply_doserror(req, ERRDOS, ERRnomem);
2104                                 return;
2105                         }
2106
2107                         entry = pdata;
2108
2109                         /* set params Size of returned Quota Data 4 bytes*/
2110                         /* but set it later when we know it */
2111
2112                         /* for each entry push the data */
2113
2114                         if (start_enum) {
2115                                 qt_handle->tmp_list = qt_handle->quota_list;
2116                         }
2117
2118                         tmp_list = qt_handle->tmp_list;
2119
2120                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2121                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2122
2123                                 sid_len = ndr_size_dom_sid(
2124                                         &tmp_list->quotas->sid, 0);
2125                                 entry_len = 40 + sid_len;
2126
2127                                 /* nextoffset entry 4 bytes */
2128                                 SIVAL(entry,0,entry_len);
2129
2130                                 /* then the len of the SID 4 bytes */
2131                                 SIVAL(entry,4,sid_len);
2132
2133                                 /* unknown data 8 bytes uint64_t */
2134                                 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2135
2136                                 /* the used disk space 8 bytes uint64_t */
2137                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2138
2139                                 /* the soft quotas 8 bytes uint64_t */
2140                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2141
2142                                 /* the hard quotas 8 bytes uint64_t */
2143                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2144
2145                                 /* and now the SID */
2146                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2147                         }
2148
2149                         qt_handle->tmp_list = tmp_list;
2150
2151                         /* overwrite the offset of the last entry */
2152                         SIVAL(entry-entry_len,0,0);
2153
2154                         data_len = 4+qt_len;
2155                         /* overwrite the params quota_data_len */
2156                         SIVAL(params,0,data_len);
2157
2158                         break;
2159
2160                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2161
2162                         /* unknown 4 bytes IVAL(pdata,0) */
2163
2164                         if (data_count < 8) {
2165                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2166                                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2167                                 return;
2168                         }
2169
2170                         sid_len = IVAL(pdata,4);
2171                         /* Ensure this is less than 1mb. */
2172                         if (sid_len > (1024*1024)) {
2173                                 reply_doserror(req, ERRDOS, ERRnomem);
2174                                 return;
2175                         }
2176
2177                         if (data_count < 8+sid_len) {
2178                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2179                                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2180                                 return;
2181                         }
2182
2183                         data_len = 4+40+sid_len;
2184
2185                         if (max_data_count < data_len) {
2186                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2187                                         max_data_count, data_len));
2188                                 param_len = 4;
2189                                 SIVAL(params,0,data_len);
2190                                 data_len = 0;
2191                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2192                                 break;
2193                         }
2194
2195                         sid_parse(pdata+8,sid_len,&sid);
2196
2197                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2198                                 ZERO_STRUCT(qt);
2199                                 /*
2200                                  * we have to return zero's in all fields
2201                                  * instead of returning an error here
2202                                  * --metze
2203                                  */
2204                         }
2205
2206                         /* Realloc the size of parameters and data we will return */
2207                         param_len = 4;
2208                         params = nttrans_realloc(ppparams, param_len);
2209                         if(params == NULL) {
2210                                 reply_doserror(req, ERRDOS, ERRnomem);
2211                                 return;
2212                         }
2213
2214                         pdata = nttrans_realloc(ppdata, data_len);
2215                         if(pdata == NULL) {
2216                                 reply_doserror(req, ERRDOS, ERRnomem);
2217                                 return;
2218                         }
2219
2220                         entry = pdata;
2221
2222                         /* set params Size of returned Quota Data 4 bytes*/
2223                         SIVAL(params,0,data_len);
2224
2225                         /* nextoffset entry 4 bytes */
2226                         SIVAL(entry,0,0);
2227
2228                         /* then the len of the SID 4 bytes */
2229                         SIVAL(entry,4,sid_len);
2230
2231                         /* unknown data 8 bytes uint64_t */
2232                         SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2233
2234                         /* the used disk space 8 bytes uint64_t */
2235                         SBIG_UINT(entry,16,qt.usedspace);
2236
2237                         /* the soft quotas 8 bytes uint64_t */
2238                         SBIG_UINT(entry,24,qt.softlim);
2239
2240                         /* the hard quotas 8 bytes uint64_t */
2241                         SBIG_UINT(entry,32,qt.hardlim);
2242
2243                         /* and now the SID */
2244                         sid_linearize(entry+40, sid_len, &sid);
2245
2246                         break;
2247
2248                 default:
2249                         DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2250                         reply_doserror(req, ERRSRV, ERRerror);
2251                         return;
2252                         break;
2253         }
2254
2255         send_nt_replies(conn, req, nt_status, params, param_len,
2256                         pdata, data_len);
2257 }
2258
2259 /****************************************************************************
2260  Reply to set user quota
2261 ****************************************************************************/
2262
2263 static void call_nt_transact_set_user_quota(connection_struct *conn,
2264                                             struct smb_request *req,
2265                                             uint16 **ppsetup,
2266                                             uint32 setup_count,
2267                                             char **ppparams,
2268                                             uint32 parameter_count,
2269                                             char **ppdata,
2270                                             uint32 data_count,
2271                                             uint32 max_data_count)
2272 {
2273         char *params = *ppparams;
2274         char *pdata = *ppdata;
2275         int data_len=0,param_len=0;
2276         SMB_NTQUOTA_STRUCT qt;
2277         size_t sid_len;
2278         DOM_SID sid;
2279         files_struct *fsp = NULL;
2280
2281         ZERO_STRUCT(qt);
2282
2283         /* access check */
2284         if (conn->server_info->utok.uid != 0) {
2285                 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2286                          "[%s]\n", lp_servicename(SNUM(conn)),
2287                          conn->server_info->unix_name));
2288                 reply_doserror(req, ERRDOS, ERRnoaccess);
2289                 return;
2290         }
2291
2292         /*
2293          * Ensure minimum number of parameters sent.
2294          */
2295
2296         if (parameter_count < 2) {
2297                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2298                 reply_doserror(req, ERRDOS, ERRinvalidparam);
2299                 return;
2300         }
2301
2302         /* maybe we can check the quota_fnum */
2303         fsp = file_fsp(req, SVAL(params,0));
2304         if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2305                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2306                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2307                 return;
2308         }
2309
2310         if (data_count < 40) {
2311                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2312                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2313                 return;
2314         }
2315
2316         /* offset to next quota record.
2317          * 4 bytes IVAL(pdata,0)
2318          * unused here...
2319          */
2320
2321         /* sid len */
2322         sid_len = IVAL(pdata,4);
2323
2324         if (data_count < 40+sid_len) {
2325                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2326                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2327                 return;
2328         }
2329
2330         /* unknown 8 bytes in pdata
2331          * maybe its the change time in NTTIME
2332          */
2333
2334         /* the used space 8 bytes (uint64_t)*/
2335         qt.usedspace = (uint64_t)IVAL(pdata,16);
2336 #ifdef LARGE_SMB_OFF_T
2337         qt.usedspace |= (((uint64_t)IVAL(pdata,20)) << 32);
2338 #else /* LARGE_SMB_OFF_T */
2339         if ((IVAL(pdata,20) != 0)&&
2340                 ((qt.usedspace != 0xFFFFFFFF)||
2341                 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2342                 /* more than 32 bits? */
2343                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2344                 return;
2345         }
2346 #endif /* LARGE_SMB_OFF_T */
2347
2348         /* the soft quotas 8 bytes (uint64_t)*/
2349         qt.softlim = (uint64_t)IVAL(pdata,24);
2350 #ifdef LARGE_SMB_OFF_T
2351         qt.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
2352 #else /* LARGE_SMB_OFF_T */
2353         if ((IVAL(pdata,28) != 0)&&
2354                 ((qt.softlim != 0xFFFFFFFF)||
2355                 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2356                 /* more than 32 bits? */
2357                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2358                 return;
2359         }
2360 #endif /* LARGE_SMB_OFF_T */
2361
2362         /* the hard quotas 8 bytes (uint64_t)*/
2363         qt.hardlim = (uint64_t)IVAL(pdata,32);
2364 #ifdef LARGE_SMB_OFF_T
2365         qt.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
2366 #else /* LARGE_SMB_OFF_T */
2367         if ((IVAL(pdata,36) != 0)&&
2368                 ((qt.hardlim != 0xFFFFFFFF)||
2369                 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2370                 /* more than 32 bits? */
2371                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2372                 return;
2373         }
2374 #endif /* LARGE_SMB_OFF_T */
2375
2376         sid_parse(pdata+40,sid_len,&sid);
2377         DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2378
2379         /* 44 unknown bytes left... */
2380
2381         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2382                 reply_doserror(req, ERRSRV, ERRerror);
2383                 return;
2384         }
2385
2386         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2387                         pdata, data_len);
2388 }
2389 #endif /* HAVE_SYS_QUOTAS */
2390
2391 static void handle_nttrans(connection_struct *conn,
2392                            struct trans_state *state,
2393                            struct smb_request *req)
2394 {
2395         if (Protocol >= PROTOCOL_NT1) {
2396                 req->flags2 |= 0x40; /* IS_LONG_NAME */
2397                 SSVAL(req->inbuf,smb_flg2,req->flags2);
2398         }
2399
2400         /* Now we must call the relevant NT_TRANS function */
2401         switch(state->call) {
2402                 case NT_TRANSACT_CREATE:
2403                 {
2404                         START_PROFILE(NT_transact_create);
2405                         call_nt_transact_create(
2406                                 conn, req,
2407                                 &state->setup, state->setup_count,
2408                                 &state->param, state->total_param,
2409                                 &state->data, state->total_data,
2410                                 state->max_data_return);
2411                         END_PROFILE(NT_transact_create);
2412                         break;
2413                 }
2414
2415                 case NT_TRANSACT_IOCTL:
2416                 {
2417                         START_PROFILE(NT_transact_ioctl);
2418                         call_nt_transact_ioctl(
2419                                 conn, req,
2420                                 &state->setup, state->setup_count,
2421                                 &state->param, state->total_param,
2422                                 &state->data, state->total_data,
2423                                 state->max_data_return);
2424                         END_PROFILE(NT_transact_ioctl);
2425                         break;
2426                 }
2427
2428                 case NT_TRANSACT_SET_SECURITY_DESC:
2429                 {
2430                         START_PROFILE(NT_transact_set_security_desc);
2431                         call_nt_transact_set_security_desc(
2432                                 conn, req,
2433                                 &state->setup, state->setup_count,
2434                                 &state->param, state->total_param,
2435                                 &state->data, state->total_data,
2436                                 state->max_data_return);
2437                         END_PROFILE(NT_transact_set_security_desc);
2438                         break;
2439                 }
2440
2441                 case NT_TRANSACT_NOTIFY_CHANGE:
2442                 {
2443                         START_PROFILE(NT_transact_notify_change);
2444                         call_nt_transact_notify_change(
2445                                 conn, req,
2446                                 &state->setup, state->setup_count,
2447                                 &state->param, state->total_param,
2448                                 &state->data, state->total_data,
2449                                 state->max_data_return,
2450                                 state->max_param_return);
2451                         END_PROFILE(NT_transact_notify_change);
2452                         break;
2453                 }
2454
2455                 case NT_TRANSACT_RENAME:
2456                 {
2457                         START_PROFILE(NT_transact_rename);
2458                         call_nt_transact_rename(
2459                                 conn, req,
2460                                 &state->setup, state->setup_count,
2461                                 &state->param, state->total_param,
2462                                 &state->data, state->total_data,
2463                                 state->max_data_return);
2464                         END_PROFILE(NT_transact_rename);
2465                         break;
2466                 }
2467
2468                 case NT_TRANSACT_QUERY_SECURITY_DESC:
2469                 {
2470                         START_PROFILE(NT_transact_query_security_desc);
2471                         call_nt_transact_query_security_desc(
2472                                 conn, req,
2473                                 &state->setup, state->setup_count,
2474                                 &state->param, state->total_param,
2475                                 &state->data, state->total_data,
2476                                 state->max_data_return);
2477                         END_PROFILE(NT_transact_query_security_desc);
2478                         break;
2479                 }
2480
2481 #ifdef HAVE_SYS_QUOTAS
2482                 case NT_TRANSACT_GET_USER_QUOTA:
2483                 {
2484                         START_PROFILE(NT_transact_get_user_quota);
2485                         call_nt_transact_get_user_quota(
2486                                 conn, req,
2487                                 &state->setup, state->setup_count,
2488                                 &state->param, state->total_param,
2489                                 &state->data, state->total_data,
2490                                 state->max_data_return);
2491                         END_PROFILE(NT_transact_get_user_quota);
2492                         break;
2493                 }
2494
2495                 case NT_TRANSACT_SET_USER_QUOTA:
2496                 {
2497                         START_PROFILE(NT_transact_set_user_quota);
2498                         call_nt_transact_set_user_quota(
2499                                 conn, req,
2500                                 &state->setup, state->setup_count,
2501                                 &state->param, state->total_param,
2502                                 &state->data, state->total_data,
2503                                 state->max_data_return);
2504                         END_PROFILE(NT_transact_set_user_quota);
2505                         break;
2506                 }
2507 #endif /* HAVE_SYS_QUOTAS */
2508
2509                 default:
2510                         /* Error in request */
2511                         DEBUG(0,("handle_nttrans: Unknown request %d in "
2512                                  "nttrans call\n", state->call));
2513                         reply_doserror(req, ERRSRV, ERRerror);
2514                         return;
2515         }
2516         return;
2517 }
2518
2519 /****************************************************************************
2520  Reply to a SMBNTtrans.
2521 ****************************************************************************/
2522
2523 void reply_nttrans(struct smb_request *req)
2524 {
2525         connection_struct *conn = req->conn;
2526         uint32_t pscnt;
2527         uint32_t psoff;
2528         uint32_t dscnt;
2529         uint32_t dsoff;
2530         uint16 function_code;
2531         NTSTATUS result;
2532         struct trans_state *state;
2533         uint32_t size;
2534         uint32_t av_size;
2535
2536         START_PROFILE(SMBnttrans);
2537
2538         if (req->wct < 19) {
2539                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2540                 END_PROFILE(SMBnttrans);
2541                 return;
2542         }
2543
2544         size = smb_len(req->inbuf) + 4;
2545         av_size = smb_len(req->inbuf);
2546         pscnt = IVAL(req->inbuf,smb_nt_ParameterCount);
2547         psoff = IVAL(req->inbuf,smb_nt_ParameterOffset);
2548         dscnt = IVAL(req->inbuf,smb_nt_DataCount);
2549         dsoff = IVAL(req->inbuf,smb_nt_DataOffset);
2550         function_code = SVAL(req->inbuf, smb_nt_Function);
2551
2552         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2553                 reply_doserror(req, ERRSRV, ERRaccess);
2554                 END_PROFILE(SMBnttrans);
2555                 return;
2556         }
2557
2558         result = allow_new_trans(conn->pending_trans, req->mid);
2559         if (!NT_STATUS_IS_OK(result)) {
2560                 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2561                 reply_nterror(req, result);
2562                 END_PROFILE(SMBnttrans);
2563                 return;
2564         }
2565
2566         if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
2567                 reply_doserror(req, ERRSRV, ERRaccess);
2568                 END_PROFILE(SMBnttrans);
2569                 return;
2570         }
2571
2572         state->cmd = SMBnttrans;
2573
2574         state->mid = req->mid;
2575         state->vuid = req->vuid;
2576         state->total_data = IVAL(req->inbuf, smb_nt_TotalDataCount);
2577         state->data = NULL;
2578         state->total_param = IVAL(req->inbuf, smb_nt_TotalParameterCount);
2579         state->param = NULL;
2580         state->max_data_return = IVAL(req->inbuf,smb_nt_MaxDataCount);
2581         state->max_param_return = IVAL(req->inbuf,smb_nt_MaxParameterCount);
2582
2583         /* setup count is in *words* */
2584         state->setup_count = 2*CVAL(req->inbuf,smb_nt_SetupCount);
2585         state->setup = NULL;
2586         state->call = function_code;
2587
2588         DEBUG(10, ("num_setup=%u, "
2589                    "param_total=%u, this_param=%u, max_param=%u, "
2590                    "data_total=%u, this_data=%u, max_data=%u, "
2591                    "param_offset=%u, data_offset=%u\n",
2592                    (unsigned)state->setup_count,
2593                    (unsigned)state->total_param, (unsigned)pscnt,
2594                    (unsigned)state->max_param_return,
2595                    (unsigned)state->total_data, (unsigned)dscnt,
2596                    (unsigned)state->max_data_return,
2597                    (unsigned)psoff, (unsigned)dsoff));
2598
2599         /*
2600          * All nttrans messages we handle have smb_wct == 19 +
2601          * state->setup_count.  Ensure this is so as a sanity check.
2602          */
2603
2604         if(req->wct != 19 + (state->setup_count/2)) {
2605                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2606                          req->wct, 19 + (state->setup_count/2)));
2607                 goto bad_param;
2608         }
2609
2610         /* Don't allow more than 128mb for each value. */
2611         if ((state->total_data > (1024*1024*128)) ||
2612             (state->total_param > (1024*1024*128))) {
2613                 reply_doserror(req, ERRDOS, ERRnomem);
2614                 END_PROFILE(SMBnttrans);
2615                 return;
2616         }
2617
2618         if ((dscnt > state->total_data) || (pscnt > state->total_param))
2619                 goto bad_param;
2620
2621         if (state->total_data)  {
2622                 /* Can't use talloc here, the core routines do realloc on the
2623                  * params and data. */
2624                 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2625                         DEBUG(0,("reply_nttrans: data malloc fail for %u "
2626                                  "bytes !\n", (unsigned int)state->total_data));
2627                         TALLOC_FREE(state);
2628                         reply_doserror(req, ERRDOS, ERRnomem);
2629                         END_PROFILE(SMBnttrans);
2630                         return;
2631                 }
2632
2633                 if (dscnt > state->total_data ||
2634                                 dsoff+dscnt < dsoff) {
2635                         goto bad_param;
2636                 }
2637
2638                 if (dsoff > av_size ||
2639                                 dscnt > av_size ||
2640                                 dsoff+dscnt > av_size) {
2641                         goto bad_param;
2642                 }
2643
2644                 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2645         }
2646
2647         if (state->total_param) {
2648                 /* Can't use talloc here, the core routines do realloc on the
2649                  * params and data. */
2650                 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2651                         DEBUG(0,("reply_nttrans: param malloc fail for %u "
2652                                  "bytes !\n", (unsigned int)state->total_param));
2653                         SAFE_FREE(state->data);
2654                         TALLOC_FREE(state);
2655                         reply_doserror(req, ERRDOS, ERRnomem);
2656                         END_PROFILE(SMBnttrans);
2657                         return;
2658                 }
2659
2660                 if (pscnt > state->total_param ||
2661                                 psoff+pscnt < psoff) {
2662                         goto bad_param;
2663                 }
2664
2665                 if (psoff > av_size ||
2666                                 pscnt > av_size ||
2667                                 psoff+pscnt > av_size) {
2668                         goto bad_param;
2669                 }
2670
2671                 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2672         }
2673
2674         state->received_data  = dscnt;
2675         state->received_param = pscnt;
2676
2677         if(state->setup_count > 0) {
2678                 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2679                           state->setup_count));
2680                 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2681                 if (state->setup == NULL) {
2682                         DEBUG(0,("reply_nttrans : Out of memory\n"));
2683                         SAFE_FREE(state->data);
2684                         SAFE_FREE(state->param);
2685                         TALLOC_FREE(state);
2686                         reply_doserror(req, ERRDOS, ERRnomem);
2687                         END_PROFILE(SMBnttrans);
2688                         return;
2689                 }
2690
2691                 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
2692                     (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
2693                         goto bad_param;
2694                 }
2695                 if (smb_nt_SetupStart + state->setup_count > size) {
2696                         goto bad_param;
2697                 }
2698
2699                 memcpy( state->setup, &req->inbuf[smb_nt_SetupStart],
2700                         state->setup_count);
2701                 dump_data(10, (uint8 *)state->setup, state->setup_count);
2702         }
2703
2704         if ((state->received_data == state->total_data) &&
2705             (state->received_param == state->total_param)) {
2706                 handle_nttrans(conn, state, req);
2707                 SAFE_FREE(state->param);
2708                 SAFE_FREE(state->data);
2709                 TALLOC_FREE(state);
2710                 END_PROFILE(SMBnttrans);
2711                 return;
2712         }
2713
2714         DLIST_ADD(conn->pending_trans, state);
2715
2716         /* We need to send an interim response then receive the rest
2717            of the parameter/data bytes */
2718         reply_outbuf(req, 0, 0);
2719         show_msg((char *)req->outbuf);
2720         END_PROFILE(SMBnttrans);
2721         return;
2722
2723   bad_param:
2724
2725         DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2726         SAFE_FREE(state->data);
2727         SAFE_FREE(state->param);
2728         TALLOC_FREE(state);
2729         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2730         END_PROFILE(SMBnttrans);
2731         return;
2732 }
2733
2734 /****************************************************************************
2735  Reply to a SMBnttranss
2736  ****************************************************************************/
2737
2738 void reply_nttranss(struct smb_request *req)
2739 {
2740         connection_struct *conn = req->conn;
2741         uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
2742         struct trans_state *state;
2743         uint32_t av_size;
2744         uint32_t size;
2745
2746         START_PROFILE(SMBnttranss);
2747
2748         show_msg((char *)req->inbuf);
2749
2750         if (req->wct < 18) {
2751                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2752                 END_PROFILE(SMBnttranss);
2753                 return;
2754         }
2755
2756         for (state = conn->pending_trans; state != NULL;
2757              state = state->next) {
2758                 if (state->mid == req->mid) {
2759                         break;
2760                 }
2761         }
2762
2763         if ((state == NULL) || (state->cmd != SMBnttrans)) {
2764                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2765                 END_PROFILE(SMBnttranss);
2766                 return;
2767         }
2768
2769         /* Revise state->total_param and state->total_data in case they have
2770            changed downwards */
2771         if (IVAL(req->inbuf, smb_nts_TotalParameterCount)
2772             < state->total_param) {
2773                 state->total_param = IVAL(req->inbuf,
2774                                           smb_nts_TotalParameterCount);
2775         }
2776         if (IVAL(req->inbuf, smb_nts_TotalDataCount) < state->total_data) {
2777                 state->total_data = IVAL(req->inbuf, smb_nts_TotalDataCount);
2778         }
2779
2780         size = smb_len(req->inbuf) + 4;
2781         av_size = smb_len(req->inbuf);
2782
2783         pcnt = IVAL(req->inbuf,smb_nts_ParameterCount);
2784         poff = IVAL(req->inbuf, smb_nts_ParameterOffset);
2785         pdisp = IVAL(req->inbuf, smb_nts_ParameterDisplacement);
2786
2787         dcnt = IVAL(req->inbuf, smb_nts_DataCount);
2788         ddisp = IVAL(req->inbuf, smb_nts_DataDisplacement);
2789         doff = IVAL(req->inbuf, smb_nts_DataOffset);
2790
2791         state->received_param += pcnt;
2792         state->received_data += dcnt;
2793
2794         if ((state->received_data > state->total_data) ||
2795             (state->received_param > state->total_param))
2796                 goto bad_param;
2797
2798         if (pcnt) {
2799                 if (pdisp > state->total_param ||
2800                                 pcnt > state->total_param ||
2801                                 pdisp+pcnt > state->total_param ||
2802                                 pdisp+pcnt < pdisp) {
2803                         goto bad_param;
2804                 }
2805
2806                 if (poff > av_size ||
2807                                 pcnt > av_size ||
2808                                 poff+pcnt > av_size ||
2809                                 poff+pcnt < poff) {
2810                         goto bad_param;
2811                 }
2812
2813                 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,
2814                        pcnt);
2815         }
2816
2817         if (dcnt) {
2818                 if (ddisp > state->total_data ||
2819                                 dcnt > state->total_data ||
2820                                 ddisp+dcnt > state->total_data ||
2821                                 ddisp+dcnt < ddisp) {
2822                         goto bad_param;
2823                 }
2824
2825                 if (ddisp > av_size ||
2826                                 dcnt > av_size ||
2827                                 ddisp+dcnt > av_size ||
2828                                 ddisp+dcnt < ddisp) {
2829                         goto bad_param;
2830                 }
2831
2832                 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,
2833                        dcnt);
2834         }
2835
2836         if ((state->received_param < state->total_param) ||
2837             (state->received_data < state->total_data)) {
2838                 END_PROFILE(SMBnttranss);
2839                 return;
2840         }
2841
2842         /*
2843          * construct_reply_common will copy smb_com from inbuf to
2844          * outbuf. SMBnttranss is wrong here.
2845          */
2846         SCVAL(req->inbuf,smb_com,SMBnttrans);
2847
2848         handle_nttrans(conn, state, req);
2849
2850         DLIST_REMOVE(conn->pending_trans, state);
2851         SAFE_FREE(state->data);
2852         SAFE_FREE(state->param);
2853         TALLOC_FREE(state);
2854         END_PROFILE(SMBnttranss);
2855         return;
2856
2857   bad_param:
2858
2859         DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
2860         DLIST_REMOVE(conn->pending_trans, state);
2861         SAFE_FREE(state->data);
2862         SAFE_FREE(state->param);
2863         TALLOC_FREE(state);
2864         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2865         END_PROFILE(SMBnttranss);
2866         return;
2867 }