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 #include "smbd/globals.h"
  23
  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                  * We might have had SMBnttranss in req->inbuf, fix that.
 124                  */
 125                 SCVAL(req->outbuf, smb_com, SMBnttrans);
 126
 127                 /*
 128                  * Set total params and data to be sent.
 129                  */
 130
 131                 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
 132                 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
 133
 134                 /*
 135                  * Calculate how many parameters and data we can fit into
 136                  * this packet. Parameters get precedence.
 137                  */
 138
 139                 params_sent_thistime = MIN(params_to_send,useable_space);
 140                 data_sent_thistime = useable_space - params_sent_thistime;
 141                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
 142
 143                 SIVAL(req->outbuf, smb_ntr_ParameterCount,
 144                       params_sent_thistime);
 145
 146                 if(params_sent_thistime == 0) {
 147                         SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
 148                         SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
 149                 } else {
 150                         /*
 151                          * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
 152                          * parameter bytes, however the first 4 bytes of outbuf are
 153                          * the Netbios over TCP header. Thus use smb_base() to subtract
 154                          * them from the calculation.
 155                          */
 156
 157                         SIVAL(req->outbuf,smb_ntr_ParameterOffset,
 158                               ((smb_buf(req->outbuf)+alignment_offset)
 159                                - smb_base(req->outbuf)));
 160                         /*
 161                          * Absolute displacement of param bytes sent in this packet.
 162                          */
 163
 164                         SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
 165                               pp - params);
 166                 }
 167
 168                 /*
 169                  * Deal with the data portion.
 170                  */
 171
 172                 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
 173
 174                 if(data_sent_thistime == 0) {
 175                         SIVAL(req->outbuf,smb_ntr_DataOffset,0);
 176                         SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
 177                 } else {
 178                         /*
 179                          * The offset of the data bytes is the offset of the
 180                          * parameter bytes plus the number of parameters being sent this time.
 181                          */
 182
 183                         SIVAL(req->outbuf, smb_ntr_DataOffset,
 184                               ((smb_buf(req->outbuf)+alignment_offset) -
 185                                smb_base(req->outbuf))
 186                               + params_sent_thistime + data_alignment_offset);
 187                         SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
 188                 }
 189
 190                 /*
 191                  * Copy the param bytes into the packet.
 192                  */
 193
 194                 if(params_sent_thistime) {
 195                         if (alignment_offset != 0) {
 196                                 memset(smb_buf(req->outbuf), 0,
 197                                        alignment_offset);
 198                         }
 199                         memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
 200                                params_sent_thistime);
 201                 }
 202
 203                 /*
 204                  * Copy in the data bytes
 205                  */
 206
 207                 if(data_sent_thistime) {
 208                         if (data_alignment_offset != 0) {
 209                                 memset((smb_buf(req->outbuf)+alignment_offset+
 210                                         params_sent_thistime), 0,
 211                                        data_alignment_offset);
 212                         }
 213                         memcpy(smb_buf(req->outbuf)+alignment_offset
 214                                +params_sent_thistime+data_alignment_offset,
 215                                pd,data_sent_thistime);
 216                 }
 217
 218                 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
 219                         params_sent_thistime, data_sent_thistime, useable_space));
 220                 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
 221                         params_to_send, data_to_send, paramsize, datasize));
 222
 223                 if (NT_STATUS_V(nt_error)) {
 224                         error_packet_set((char *)req->outbuf,
 225                                          0, 0, nt_error,
 226                                          __LINE__,__FILE__);
 227                 }
 228
 229                 /* Send the packet */
 230                 show_msg((char *)req->outbuf);
 231                 if (!srv_send_smb(smbd_server_fd(),
 232                                 (char *)req->outbuf,
 233                                 true, req->seqnum+1,
 234                                 IS_CONN_ENCRYPTED(conn),
 235                                 &req->pcd)) {
 236                         exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
 237                 }
 238
 239                 TALLOC_FREE(req->outbuf);
 240
 241                 pp += params_sent_thistime;
 242                 pd += data_sent_thistime;
 243
 244                 params_to_send -= params_sent_thistime;
 245                 data_to_send -= data_sent_thistime;
 246
 247                 /*
 248                  * Sanity check
 249                  */
 250
 251                 if(params_to_send < 0 || data_to_send < 0) {
 252                         DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
 253                                 params_to_send, data_to_send));
 254                         exit_server_cleanly("send_nt_replies: internal error");
 255                 }
 256         }
 257 }
 258
 259 /****************************************************************************
 260  Is it an NTFS stream name ?
 261  An NTFS file name is <path>.<extention>:<stream name>:<stream type>
 262  $DATA can be used as both a stream name and a stream type. A missing stream
 263  name or type implies $DATA.
 264
 265  Both Windows stream names and POSIX files can contain the ':' character.
 266  This function first checks for the existence of a colon in the last component
 267  of the given name.  If the name contains a colon we differentiate between a
 268  stream and POSIX file by checking if the latter exists through a POSIX stat.
 269
 270  Function assumes we've already chdir() to the "root" directory of fname.
 271 ****************************************************************************/
 272
 273 bool is_ntfs_stream_name(const char *fname)
 274 {
 275         const char *lastcomp;
 276         SMB_STRUCT_STAT sbuf;
 277
 278         /* If all pathnames are treated as POSIX we ignore streams. */
 279         if (lp_posix_pathnames()) {
 280                 return false;
 281         }
 282
 283         /* Find the last component of the name. */
 284         if ((lastcomp = strrchr_m(fname, '/')) != NULL)
 285                 ++lastcomp;
 286         else
 287                 lastcomp = fname;
 288
 289         /* If there is no colon in the last component, it's not a stream. */
 290         if (strchr_m(lastcomp, ':') == NULL)
 291                 return false;
 292
 293         /*
 294          * If file already exists on disk, it's not a stream. The stat must
 295          * bypass the vfs layer so streams modules don't intefere.
 296          */
 297         if (sys_stat(fname, &sbuf) == 0) {
 298                 DEBUG(5, ("is_ntfs_stream_name: file %s contains a ':' but is "
 299                         "not a stream\n", fname));
 300                 return false;
 301         }
 302
 303         return true;
 304 }
 305
 306 /****************************************************************************
 307  Reply to an NT create and X call on a pipe
 308 ****************************************************************************/
 309
 310 static void nt_open_pipe(char *fname, connection_struct *conn,
 311                          struct smb_request *req, int *ppnum)
 312 {
 313         files_struct *fsp;
 314         NTSTATUS status;
 315
 316         DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
 317
 318         /* Strip \\ off the name. */
 319         fname++;
 320
 321         status = open_np_file(req, fname, &fsp);
 322         if (!NT_STATUS_IS_OK(status)) {
 323                 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
 324                         reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
 325                                         ERRDOS, ERRbadpipe);
 326                         return;
 327                 }
 328                 reply_nterror(req, status);
 329                 return;
 330         }
 331
 332         *ppnum = fsp->fnum;
 333         return;
 334 }
 335
 336 /****************************************************************************
 337  Reply to an NT create and X call for pipes.
 338 ****************************************************************************/
 339
 340 static void do_ntcreate_pipe_open(connection_struct *conn,
 341                                   struct smb_request *req)
 342 {
 343         char *fname = NULL;
 344         int pnum = -1;
 345         char *p = NULL;
 346         uint32 flags = IVAL(req->vwv+3, 1);
 347         TALLOC_CTX *ctx = talloc_tos();
 348
 349         srvstr_pull_req_talloc(ctx, req, &fname, req->buf, STR_TERMINATE);
 350
 351         if (!fname) {
 352                 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
 353                                 ERRDOS, ERRbadpipe);
 354                 return;
 355         }
 356         nt_open_pipe(fname, conn, req, &pnum);
 357
 358         if (req->outbuf) {
 359                 /* error reply */
 360                 return;
 361         }
 362
 363         /*
 364          * Deal with pipe return.
 365          */
 366
 367         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 368                 /* This is very strange. We
 369                  * return 50 words, but only set
 370                  * the wcnt to 42 ? It's definately
 371                  * what happens on the wire....
 372                  */
 373                 reply_outbuf(req, 50, 0);
 374                 SCVAL(req->outbuf,smb_wct,42);
 375         } else {
 376                 reply_outbuf(req, 34, 0);
 377         }
 378
 379         p = (char *)req->outbuf + smb_vwv2;
 380         p++;
 381         SSVAL(p,0,pnum);
 382         p += 2;
 383         SIVAL(p,0,FILE_WAS_OPENED);
 384         p += 4;
 385         p += 32;
 386         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 387         p += 20;
 388         /* File type. */
 389         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 390         /* Device state. */
 391         SSVAL(p,2, 0x5FF); /* ? */
 392         p += 4;
 393
 394         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 395                 p += 25;
 396                 SIVAL(p,0,FILE_GENERIC_ALL);
 397                 /*
 398                  * For pipes W2K3 seems to return
 399                  * 0x12019B next.
 400                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
 401                  */
 402                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
 403         }
 404
 405         DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
 406
 407         chain_reply(req);
 408 }
 409
 410 /****************************************************************************
 411  Reply to an NT create and X call.
 412 ****************************************************************************/
 413
 414 void reply_ntcreate_and_X(struct smb_request *req)
 415 {
 416         connection_struct *conn = req->conn;
 417         char *fname = NULL;
 418         uint32 flags;
 419         uint32 access_mask;
 420         uint32 file_attributes;
 421         uint32 share_access;
 422         uint32 create_disposition;
 423         uint32 create_options;
 424         uint16 root_dir_fid;
 425         uint64_t allocation_size;
 426         /* Breakout the oplock request bits so we can set the
 427            reply bits separately. */
 428         uint32 fattr=0;
 429         SMB_OFF_T file_len = 0;
 430         SMB_STRUCT_STAT sbuf;
 431         int info = 0;
 432         files_struct *fsp = NULL;
 433         char *p = NULL;
 434         struct timespec c_timespec;
 435         struct timespec a_timespec;
 436         struct timespec m_timespec;
 437         NTSTATUS status;
 438         int oplock_request;
 439         uint8_t oplock_granted = NO_OPLOCK_RETURN;
 440         TALLOC_CTX *ctx = talloc_tos();
 441
 442         START_PROFILE(SMBntcreateX);
 443
 444         SET_STAT_INVALID(sbuf);
 445
 446         if (req->wct < 24) {
 447                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 448                 return;
 449         }
 450
 451         flags = IVAL(req->vwv+3, 1);
 452         access_mask = IVAL(req->vwv+7, 1);
 453         file_attributes = IVAL(req->vwv+13, 1);
 454         share_access = IVAL(req->vwv+15, 1);
 455         create_disposition = IVAL(req->vwv+17, 1);
 456         create_options = IVAL(req->vwv+19, 1);
 457         root_dir_fid = (uint16)IVAL(req->vwv+5, 1);
 458
 459         allocation_size = (uint64_t)IVAL(req->vwv+9, 1);
 460 #ifdef LARGE_SMB_OFF_T
 461         allocation_size |= (((uint64_t)IVAL(req->vwv+11, 1)) << 32);
 462 #endif
 463
 464         srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
 465                             STR_TERMINATE, &status);
 466
 467         if (!NT_STATUS_IS_OK(status)) {
 468                 reply_nterror(req, status);
 469                 END_PROFILE(SMBntcreateX);
 470                 return;
 471         }
 472
 473         DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
 474                   "file_attributes = 0x%x, share_access = 0x%x, "
 475                   "create_disposition = 0x%x create_options = 0x%x "
 476                   "root_dir_fid = 0x%x, fname = %s\n",
 477                         (unsigned int)flags,
 478                         (unsigned int)access_mask,
 479                         (unsigned int)file_attributes,
 480                         (unsigned int)share_access,
 481                         (unsigned int)create_disposition,
 482                         (unsigned int)create_options,
 483                         (unsigned int)root_dir_fid,
 484                         fname));
 485
 486         /*
 487          * we need to remove ignored bits when they come directly from the client
 488          * because we reuse some of them for internal stuff
 489          */
 490         create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
 491
 492         /*
 493          * If it's an IPC, use the pipe handler.
 494          */
 495
 496         if (IS_IPC(conn)) {
 497                 if (lp_nt_pipe_support()) {
 498                         do_ntcreate_pipe_open(conn, req);
 499                         END_PROFILE(SMBntcreateX);
 500                         return;
 501                 }
 502                 reply_doserror(req, ERRDOS, ERRnoaccess);
 503                 END_PROFILE(SMBntcreateX);
 504                 return;
 505         }
 506
 507         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 508         if (oplock_request) {
 509                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
 510                         ? BATCH_OPLOCK : 0;
 511         }
 512
 513         status = SMB_VFS_CREATE_FILE(
 514                 conn,                                   /* conn */
 515                 req,                                    /* req */
 516                 root_dir_fid,                           /* root_dir_fid */
 517                 fname,                                  /* fname */
 518                 CFF_DOS_PATH,                           /* create_file_flags */
 519                 access_mask,                            /* access_mask */
 520                 share_access,                           /* share_access */
 521                 create_disposition,                     /* create_disposition*/
 522                 create_options,                         /* create_options */
 523                 file_attributes,                        /* file_attributes */
 524                 oplock_request,                         /* oplock_request */
 525                 allocation_size,                        /* allocation_size */
 526                 NULL,                                   /* sd */
 527                 NULL,                                   /* ea_list */
 528                 &fsp,                                   /* result */
 529                 &info,                                  /* pinfo */
 530                 &sbuf);                                 /* psbuf */
 531
 532         if (!NT_STATUS_IS_OK(status)) {
 533                 if (open_was_deferred(req->mid)) {
 534                         /* We have re-scheduled this call, no error. */
 535                         END_PROFILE(SMBntcreateX);
 536                         return;
 537                 }
 538                 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_COLLISION)) {
 539                         reply_botherror(req, status, ERRDOS, ERRfilexists);
 540                 }
 541                 else {
 542                         reply_nterror(req, status);
 543                 }
 544                 END_PROFILE(SMBntcreateX);
 545                 return;
 546         }
 547
 548         /*
 549          * If the caller set the extended oplock request bit
 550          * and we granted one (by whatever means) - set the
 551          * correct bit for extended oplock reply.
 552          */
 553
 554         if (oplock_request &&
 555             (lp_fake_oplocks(SNUM(conn))
 556              || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
 557
 558                 /*
 559                  * Exclusive oplock granted
 560                  */
 561
 562                 if (flags & REQUEST_BATCH_OPLOCK) {
 563                         oplock_granted = BATCH_OPLOCK_RETURN;
 564                 } else {
 565                         oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
 566                 }
 567         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
 568                 oplock_granted = LEVEL_II_OPLOCK_RETURN;
 569         } else {
 570                 oplock_granted = NO_OPLOCK_RETURN;
 571         }
 572
 573         file_len = sbuf.st_size;
 574         fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
 575         if (fattr == 0) {
 576                 fattr = FILE_ATTRIBUTE_NORMAL;
 577         }
 578
 579         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 580                 /* This is very strange. We
 581                  * return 50 words, but only set
 582                  * the wcnt to 42 ? It's definately
 583                  * what happens on the wire....
 584                  */
 585                 reply_outbuf(req, 50, 0);
 586                 SCVAL(req->outbuf,smb_wct,42);
 587         } else {
 588                 reply_outbuf(req, 34, 0);
 589         }
 590
 591         p = (char *)req->outbuf + smb_vwv2;
 592
 593         SCVAL(p, 0, oplock_granted);
 594
 595         p++;
 596         SSVAL(p,0,fsp->fnum);
 597         p += 2;
 598         if ((create_disposition == FILE_SUPERSEDE)
 599             && (info == FILE_WAS_OVERWRITTEN)) {
 600                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
 601         } else {
 602                 SIVAL(p,0,info);
 603         }
 604         p += 4;
 605
 606         /* Create time. */
 607         c_timespec = get_create_timespec(
 608                 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
 609         a_timespec = get_atimespec(&sbuf);
 610         m_timespec = get_mtimespec(&sbuf);
 611
 612         if (lp_dos_filetime_resolution(SNUM(conn))) {
 613                 dos_filetime_timespec(&c_timespec);
 614                 dos_filetime_timespec(&a_timespec);
 615                 dos_filetime_timespec(&m_timespec);
 616         }
 617
 618         put_long_date_timespec(p, c_timespec); /* create time. */
 619         p += 8;
 620         put_long_date_timespec(p, a_timespec); /* access time */
 621         p += 8;
 622         put_long_date_timespec(p, m_timespec); /* write time */
 623         p += 8;
 624         put_long_date_timespec(p, m_timespec); /* change time */
 625         p += 8;
 626         SIVAL(p,0,fattr); /* File Attributes. */
 627         p += 4;
 628         SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&sbuf));
 629         p += 8;
 630         SOFF_T(p,0,file_len);
 631         p += 8;
 632         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 633                 SSVAL(p,2,0x7);
 634         }
 635         p += 4;
 636         SCVAL(p,0,fsp->is_directory ? 1 : 0);
 637
 638         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 639                 uint32 perms = 0;
 640                 p += 25;
 641                 if (fsp->is_directory
 642                     || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
 643                         perms = FILE_GENERIC_ALL;
 644                 } else {
 645                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
 646                 }
 647                 SIVAL(p,0,perms);
 648         }
 649
 650         DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
 651                  fsp->fnum, fsp->fsp_name));
 652
 653         chain_reply(req);
 654         END_PROFILE(SMBntcreateX);
 655         return;
 656 }
 657
 658 /****************************************************************************
 659  Reply to a NT_TRANSACT_CREATE call to open a pipe.
 660 ****************************************************************************/
 661
 662 static void do_nt_transact_create_pipe(connection_struct *conn,
 663                                        struct smb_request *req,
 664                                        uint16 **ppsetup, uint32 setup_count,
 665                                        char **ppparams, uint32 parameter_count,
 666                                        char **ppdata, uint32 data_count)
 667 {
 668         char *fname = NULL;
 669         char *params = *ppparams;
 670         int pnum = -1;
 671         char *p = NULL;
 672         NTSTATUS status;
 673         size_t param_len;
 674         uint32 flags;
 675         TALLOC_CTX *ctx = talloc_tos();
 676
 677         /*
 678          * Ensure minimum number of parameters sent.
 679          */
 680
 681         if(parameter_count < 54) {
 682                 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
 683                 reply_doserror(req, ERRDOS, ERRnoaccess);
 684                 return;
 685         }
 686
 687         flags = IVAL(params,0);
 688
 689         srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
 690                         parameter_count-53, STR_TERMINATE,
 691                         &status);
 692         if (!NT_STATUS_IS_OK(status)) {
 693                 reply_nterror(req, status);
 694                 return;
 695         }
 696
 697         nt_open_pipe(fname, conn, req, &pnum);
 698
 699         if (req->outbuf) {
 700                 /* Error return */
 701                 return;
 702         }
 703
 704         /* Realloc the size of parameters and data we will return */
 705         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 706                 /* Extended response is 32 more byyes. */
 707                 param_len = 101;
 708         } else {
 709                 param_len = 69;
 710         }
 711         params = nttrans_realloc(ppparams, param_len);
 712         if(params == NULL) {
 713                 reply_doserror(req, ERRDOS, ERRnomem);
 714                 return;
 715         }
 716
 717         p = params;
 718         SCVAL(p,0,NO_OPLOCK_RETURN);
 719
 720         p += 2;
 721         SSVAL(p,0,pnum);
 722         p += 2;
 723         SIVAL(p,0,FILE_WAS_OPENED);
 724         p += 8;
 725
 726         p += 32;
 727         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 728         p += 20;
 729         /* File type. */
 730         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 731         /* Device state. */
 732         SSVAL(p,2, 0x5FF); /* ? */
 733         p += 4;
 734
 735         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 736                 p += 25;
 737                 SIVAL(p,0,FILE_GENERIC_ALL);
 738                 /*
 739                  * For pipes W2K3 seems to return
 740                  * 0x12019B next.
 741                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
 742                  */
 743                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
 744         }
 745
 746         DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
 747
 748         /* Send the required number of replies */
 749         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
 750
 751         return;
 752 }
 753
 754 /****************************************************************************
 755  Internal fn to set security descriptors.
 756 ****************************************************************************/
 757
 758 static NTSTATUS set_sd(files_struct *fsp, uint8 *data, uint32 sd_len,
 759                        uint32 security_info_sent)
 760 {
 761         SEC_DESC *psd = NULL;
 762         NTSTATUS status;
 763
 764         if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
 765                 return NT_STATUS_OK;
 766         }
 767
 768         status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
 769
 770         if (!NT_STATUS_IS_OK(status)) {
 771                 return status;
 772         }
 773
 774         if (psd->owner_sid == NULL) {
 775                 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
 776         }
 777         if (psd->group_sid == NULL) {
 778                 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
 779         }
 780
 781         /* Convert all the generic bits. */
 782         security_acl_map_generic(psd->dacl, &file_generic_mapping);
 783         security_acl_map_generic(psd->sacl, &file_generic_mapping);
 784
 785         if (DEBUGLEVEL >= 10) {
 786                 DEBUG(10,("set_sd for file %s\n", fsp->fsp_name ));
 787                 NDR_PRINT_DEBUG(security_descriptor, psd);
 788         }
 789
 790         status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
 791
 792         TALLOC_FREE(psd);
 793
 794         return status;
 795 }
 796
 797 /****************************************************************************
 798  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
 799 ****************************************************************************/
 800
 801 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
 802 {
 803         struct ea_list *ea_list_head = NULL;
 804         size_t offset = 0;
 805
 806         if (data_size < 4) {
 807                 return NULL;
 808         }
 809
 810         while (offset + 4 <= data_size) {
 811                 size_t next_offset = IVAL(pdata,offset);
 812                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
 813
 814                 if (!eal) {
 815                         return NULL;
 816                 }
 817
 818                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
 819                 if (next_offset == 0) {
 820                         break;
 821                 }
 822                 offset += next_offset;
 823         }
 824
 825         return ea_list_head;
 826 }
 827
 828 /****************************************************************************
 829  Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
 830 ****************************************************************************/
 831
 832 static void call_nt_transact_create(connection_struct *conn,
 833                                     struct smb_request *req,
 834                                     uint16 **ppsetup, uint32 setup_count,
 835                                     char **ppparams, uint32 parameter_count,
 836                                     char **ppdata, uint32 data_count,
 837                                     uint32 max_data_count)
 838 {
 839         char *fname = NULL;
 840         char *params = *ppparams;
 841         char *data = *ppdata;
 842         /* Breakout the oplock request bits so we can set the reply bits separately. */
 843         uint32 fattr=0;
 844         SMB_OFF_T file_len = 0;
 845         SMB_STRUCT_STAT sbuf;
 846         int info = 0;
 847         files_struct *fsp = NULL;
 848         char *p = NULL;
 849         uint32 flags;
 850         uint32 access_mask;
 851         uint32 file_attributes;
 852         uint32 share_access;
 853         uint32 create_disposition;
 854         uint32 create_options;
 855         uint32 sd_len;
 856         struct security_descriptor *sd = NULL;
 857         uint32 ea_len;
 858         uint16 root_dir_fid;
 859         struct timespec c_timespec;
 860         struct timespec a_timespec;
 861         struct timespec m_timespec;
 862         struct ea_list *ea_list = NULL;
 863         NTSTATUS status;
 864         size_t param_len;
 865         uint64_t allocation_size;
 866         int oplock_request;
 867         uint8_t oplock_granted;
 868         TALLOC_CTX *ctx = talloc_tos();
 869
 870         SET_STAT_INVALID(sbuf);
 871
 872         DEBUG(5,("call_nt_transact_create\n"));
 873
 874         /*
 875          * If it's an IPC, use the pipe handler.
 876          */
 877
 878         if (IS_IPC(conn)) {
 879                 if (lp_nt_pipe_support()) {
 880                         do_nt_transact_create_pipe(
 881                                 conn, req,
 882                                 ppsetup, setup_count,
 883                                 ppparams, parameter_count,
 884                                 ppdata, data_count);
 885                         return;
 886                 }
 887                 reply_doserror(req, ERRDOS, ERRnoaccess);
 888                 return;
 889         }
 890
 891         /*
 892          * Ensure minimum number of parameters sent.
 893          */
 894
 895         if(parameter_count < 54) {
 896                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
 897                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 898                 return;
 899         }
 900
 901         flags = IVAL(params,0);
 902         access_mask = IVAL(params,8);
 903         file_attributes = IVAL(params,20);
 904         share_access = IVAL(params,24);
 905         create_disposition = IVAL(params,28);
 906         create_options = IVAL(params,32);
 907         sd_len = IVAL(params,36);
 908         ea_len = IVAL(params,40);
 909         root_dir_fid = (uint16)IVAL(params,4);
 910         allocation_size = (uint64_t)IVAL(params,12);
 911 #ifdef LARGE_SMB_OFF_T
 912         allocation_size |= (((uint64_t)IVAL(params,16)) << 32);
 913 #endif
 914
 915         /*
 916          * we need to remove ignored bits when they come directly from the client
 917          * because we reuse some of them for internal stuff
 918          */
 919         create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
 920
 921         /* Ensure the data_len is correct for the sd and ea values given. */
 922         if ((ea_len + sd_len > data_count)
 923             || (ea_len > data_count) || (sd_len > data_count)
 924             || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
 925                 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
 926                            "%u, data_count = %u\n", (unsigned int)ea_len,
 927                            (unsigned int)sd_len, (unsigned int)data_count));
 928                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 929                 return;
 930         }
 931
 932         if (sd_len) {
 933                 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
 934                            sd_len));
 935
 936                 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
 937                                              &sd);
 938                 if (!NT_STATUS_IS_OK(status)) {
 939                         DEBUG(10, ("call_nt_transact_create: "
 940                                    "unmarshall_sec_desc failed: %s\n",
 941                                    nt_errstr(status)));
 942                         reply_nterror(req, status);
 943                         return;
 944                 }
 945         }
 946
 947         if (ea_len) {
 948                 if (!lp_ea_support(SNUM(conn))) {
 949                         DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
 950                                    "EA's not supported.\n",
 951                                    (unsigned int)ea_len));
 952                         reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
 953                         return;
 954                 }
 955
 956                 if (ea_len < 10) {
 957                         DEBUG(10,("call_nt_transact_create - ea_len = %u - "
 958                                   "too small (should be more than 10)\n",
 959                                   (unsigned int)ea_len ));
 960                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 961                         return;
 962                 }
 963
 964                 /* We have already checked that ea_len <= data_count here. */
 965                 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
 966                                                ea_len);
 967                 if (ea_list == NULL) {
 968                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 969                         return;
 970                 }
 971         }
 972
 973         srvstr_get_path(ctx, params, req->flags2, &fname,
 974                         params+53, parameter_count-53,
 975                         STR_TERMINATE, &status);
 976         if (!NT_STATUS_IS_OK(status)) {
 977                 reply_nterror(req, status);
 978                 return;
 979         }
 980
 981         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 982         if (oplock_request) {
 983                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
 984                         ? BATCH_OPLOCK : 0;
 985         }
 986
 987         status = SMB_VFS_CREATE_FILE(
 988                 conn,                                   /* conn */
 989                 req,                                    /* req */
 990                 root_dir_fid,                           /* root_dir_fid */
 991                 fname,                                  /* fname */
 992                 CFF_DOS_PATH,                           /* create_file_flags */
 993                 access_mask,                            /* access_mask */
 994                 share_access,                           /* share_access */
 995                 create_disposition,                     /* create_disposition*/
 996                 create_options,                         /* create_options */
 997                 file_attributes,                        /* file_attributes */
 998                 oplock_request,                         /* oplock_request */
 999                 allocation_size,                        /* allocation_size */
1000                 sd,                                     /* sd */
1001                 ea_list,                                /* ea_list */
1002                 &fsp,                                   /* result */
1003                 &info,                                  /* pinfo */
1004                 &sbuf);                                 /* psbuf */
1005
1006         if(!NT_STATUS_IS_OK(status)) {
1007                 if (open_was_deferred(req->mid)) {
1008                         /* We have re-scheduled this call, no error. */
1009                         return;
1010                 }
1011                 reply_openerror(req, status);
1012                 return;
1013         }
1014
1015         /*
1016          * If the caller set the extended oplock request bit
1017          * and we granted one (by whatever means) - set the
1018          * correct bit for extended oplock reply.
1019          */
1020
1021         if (oplock_request &&
1022             (lp_fake_oplocks(SNUM(conn))
1023              || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
1024
1025                 /*
1026                  * Exclusive oplock granted
1027                  */
1028
1029                 if (flags & REQUEST_BATCH_OPLOCK) {
1030                         oplock_granted = BATCH_OPLOCK_RETURN;
1031                 } else {
1032                         oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1033                 }
1034         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1035                 oplock_granted = LEVEL_II_OPLOCK_RETURN;
1036         } else {
1037                 oplock_granted = NO_OPLOCK_RETURN;
1038         }
1039
1040         file_len = sbuf.st_size;
1041         fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
1042         if (fattr == 0) {
1043                 fattr = FILE_ATTRIBUTE_NORMAL;
1044         }
1045
1046         /* Realloc the size of parameters and data we will return */
1047         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1048                 /* Extended response is 32 more byyes. */
1049                 param_len = 101;
1050         } else {
1051                 param_len = 69;
1052         }
1053         params = nttrans_realloc(ppparams, param_len);
1054         if(params == NULL) {
1055                 reply_doserror(req, ERRDOS, ERRnomem);
1056                 return;
1057         }
1058
1059         p = params;
1060         SCVAL(p, 0, oplock_granted);
1061
1062         p += 2;
1063         SSVAL(p,0,fsp->fnum);
1064         p += 2;
1065         if ((create_disposition == FILE_SUPERSEDE)
1066             && (info == FILE_WAS_OVERWRITTEN)) {
1067                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1068         } else {
1069                 SIVAL(p,0,info);
1070         }
1071         p += 8;
1072
1073         /* Create time. */
1074         c_timespec = get_create_timespec(
1075                 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
1076         a_timespec = get_atimespec(&sbuf);
1077         m_timespec = get_mtimespec(&sbuf);
1078
1079         if (lp_dos_filetime_resolution(SNUM(conn))) {
1080                 dos_filetime_timespec(&c_timespec);
1081                 dos_filetime_timespec(&a_timespec);
1082                 dos_filetime_timespec(&m_timespec);
1083         }
1084
1085         put_long_date_timespec(p, c_timespec); /* create time. */
1086         p += 8;
1087         put_long_date_timespec(p, a_timespec); /* access time */
1088         p += 8;
1089         put_long_date_timespec(p, m_timespec); /* write time */
1090         p += 8;
1091         put_long_date_timespec(p, m_timespec); /* change time */
1092         p += 8;
1093         SIVAL(p,0,fattr); /* File Attributes. */
1094         p += 4;
1095         SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&sbuf));
1096         p += 8;
1097         SOFF_T(p,0,file_len);
1098         p += 8;
1099         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1100                 SSVAL(p,2,0x7);
1101         }
1102         p += 4;
1103         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1104
1105         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1106                 uint32 perms = 0;
1107                 p += 25;
1108                 if (fsp->is_directory
1109                     || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
1110                         perms = FILE_GENERIC_ALL;
1111                 } else {
1112                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
1113                 }
1114                 SIVAL(p,0,perms);
1115         }
1116
1117         DEBUG(5,("call_nt_transact_create: open name = %s\n", fsp->fsp_name));
1118
1119         /* Send the required number of replies */
1120         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1121
1122         return;
1123 }
1124
1125 /****************************************************************************
1126  Reply to a NT CANCEL request.
1127  conn POINTER CAN BE NULL HERE !
1128 ****************************************************************************/
1129
1130 void reply_ntcancel(struct smb_request *req)
1131 {
1132         /*
1133          * Go through and cancel any pending change notifies.
1134          */
1135
1136         START_PROFILE(SMBntcancel);
1137         srv_cancel_sign_response(smbd_server_conn);
1138         remove_pending_change_notify_requests_by_mid(req->mid);
1139         remove_pending_lock_requests_by_mid(req->mid);
1140
1141         DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1142
1143         END_PROFILE(SMBntcancel);
1144         return;
1145 }
1146
1147 /****************************************************************************
1148  Copy a file.
1149 ****************************************************************************/
1150
1151 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1152                                 connection_struct *conn,
1153                                 struct smb_request *req,
1154                                 const char *oldname_in,
1155                                 const char *newname_in,
1156                                 uint32 attrs)
1157 {
1158         SMB_STRUCT_STAT sbuf1, sbuf2;
1159         char *oldname = NULL;
1160         char *newname = NULL;
1161         char *last_component_oldname = NULL;
1162         char *last_component_newname = NULL;
1163         files_struct *fsp1,*fsp2;
1164         uint32 fattr;
1165         int info;
1166         SMB_OFF_T ret=-1;
1167         NTSTATUS status = NT_STATUS_OK;
1168         char *parent;
1169
1170         ZERO_STRUCT(sbuf1);
1171         ZERO_STRUCT(sbuf2);
1172
1173         if (!CAN_WRITE(conn)) {
1174                 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1175         }
1176
1177         status = unix_convert(ctx, conn, oldname_in, False, &oldname,
1178                         &last_component_oldname, &sbuf1);
1179         if (!NT_STATUS_IS_OK(status)) {
1180                 return status;
1181         }
1182
1183         status = check_name(conn, oldname);
1184         if (!NT_STATUS_IS_OK(status)) {
1185                 return status;
1186         }
1187
1188         /* Source must already exist. */
1189         if (!VALID_STAT(sbuf1)) {
1190                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1191         }
1192         /* Ensure attributes match. */
1193         fattr = dos_mode(conn,oldname,&sbuf1);
1194         if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1195                 return NT_STATUS_NO_SUCH_FILE;
1196         }
1197
1198         status = unix_convert(ctx, conn, newname_in, False, &newname,
1199                         &last_component_newname, &sbuf2);
1200         if (!NT_STATUS_IS_OK(status)) {
1201                 return status;
1202         }
1203
1204         status = check_name(conn, newname);
1205         if (!NT_STATUS_IS_OK(status)) {
1206                 return status;
1207         }
1208
1209         /* Disallow if newname already exists. */
1210         if (VALID_STAT(sbuf2)) {
1211                 return NT_STATUS_OBJECT_NAME_COLLISION;
1212         }
1213
1214         /* No links from a directory. */
1215         if (S_ISDIR(sbuf1.st_mode)) {
1216                 return NT_STATUS_FILE_IS_A_DIRECTORY;
1217         }
1218
1219         /* Ensure this is within the share. */
1220         status = check_reduced_name(conn, oldname);
1221         if (!NT_STATUS_IS_OK(status)) {
1222                 return status;
1223         }
1224
1225         DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1226                                 oldname, newname));
1227
1228         status = SMB_VFS_CREATE_FILE(
1229                 conn,                                   /* conn */
1230                 req,                                    /* req */
1231                 0,                                      /* root_dir_fid */
1232                 oldname,                                /* fname */
1233                 0,                                      /* create_file_flags */
1234                 FILE_READ_DATA,                         /* access_mask */
1235                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
1236                     FILE_SHARE_DELETE),
1237                 FILE_OPEN,                              /* create_disposition*/
1238                 0,                                      /* create_options */
1239                 FILE_ATTRIBUTE_NORMAL,                  /* file_attributes */
1240                 NO_OPLOCK,                              /* oplock_request */
1241                 0,                                      /* allocation_size */
1242                 NULL,                                   /* sd */
1243                 NULL,                                   /* ea_list */
1244                 &fsp1,                                  /* result */
1245                 &info,                                  /* pinfo */
1246                 &sbuf1);                                /* psbuf */
1247
1248         if (!NT_STATUS_IS_OK(status)) {
1249                 return status;
1250         }
1251
1252         status = SMB_VFS_CREATE_FILE(
1253                 conn,                                   /* conn */
1254                 req,                                    /* req */
1255                 0,                                      /* root_dir_fid */
1256                 newname,                                /* fname */
1257                 0,                                      /* create_file_flags */
1258                 FILE_WRITE_DATA,                        /* access_mask */
1259                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
1260                     FILE_SHARE_DELETE),
1261                 FILE_CREATE,                            /* create_disposition*/
1262                 0,                                      /* create_options */
1263                 fattr,                                  /* file_attributes */
1264                 NO_OPLOCK,                              /* oplock_request */
1265                 0,                                      /* allocation_size */
1266                 NULL,                                   /* sd */
1267                 NULL,                                   /* ea_list */
1268                 &fsp2,                                  /* result */
1269                 &info,                                  /* pinfo */
1270                 &sbuf2);                                /* psbuf */
1271
1272         if (!NT_STATUS_IS_OK(status)) {
1273                 close_file(NULL, fsp1, ERROR_CLOSE);
1274                 return status;
1275         }
1276
1277         if (sbuf1.st_size) {
1278                 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1279         }
1280
1281         /*
1282          * As we are opening fsp1 read-only we only expect
1283          * an error on close on fsp2 if we are out of space.
1284          * Thus we don't look at the error return from the
1285          * close of fsp1.
1286          */
1287         close_file(NULL, fsp1, NORMAL_CLOSE);
1288
1289         /* Ensure the modtime is set correctly on the destination file. */
1290         set_close_write_time(fsp2, get_mtimespec(&sbuf1));
1291
1292         status = close_file(NULL, fsp2, NORMAL_CLOSE);
1293
1294         /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1295            creates the file. This isn't the correct thing to do in the copy
1296            case. JRA */
1297         if (!parent_dirname(talloc_tos(), newname, &parent, NULL)) {
1298                 return NT_STATUS_NO_MEMORY;
1299         }
1300         file_set_dosmode(conn, newname, fattr, &sbuf2, parent, false);
1301         TALLOC_FREE(parent);
1302
1303         if (ret < (SMB_OFF_T)sbuf1.st_size) {
1304                 return NT_STATUS_DISK_FULL;
1305         }
1306
1307         if (!NT_STATUS_IS_OK(status)) {
1308                 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1309                         nt_errstr(status), oldname, newname));
1310         }
1311         return status;
1312 }
1313
1314 /****************************************************************************
1315  Reply to a NT rename request.
1316 ****************************************************************************/
1317
1318 void reply_ntrename(struct smb_request *req)
1319 {
1320         connection_struct *conn = req->conn;
1321         char *oldname = NULL;
1322         char *newname = NULL;
1323         const char *p;
1324         NTSTATUS status;
1325         bool src_has_wcard = False;
1326         bool dest_has_wcard = False;
1327         uint32 attrs;
1328         uint16 rename_type;
1329         TALLOC_CTX *ctx = talloc_tos();
1330
1331         START_PROFILE(SMBntrename);
1332
1333         if (req->wct < 4) {
1334                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1335                 END_PROFILE(SMBntrename);
1336                 return;
1337         }
1338
1339         attrs = SVAL(req->vwv+0, 0);
1340         rename_type = SVAL(req->vwv+1, 0);
1341
1342         p = (const char *)req->buf + 1;
1343         p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1344                                        &status, &src_has_wcard);
1345         if (!NT_STATUS_IS_OK(status)) {
1346                 reply_nterror(req, status);
1347                 END_PROFILE(SMBntrename);
1348                 return;
1349         }
1350
1351         if (ms_has_wild(oldname)) {
1352                 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1353                 END_PROFILE(SMBntrename);
1354                 return;
1355         }
1356
1357         p++;
1358         p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1359                                        &status, &dest_has_wcard);
1360         if (!NT_STATUS_IS_OK(status)) {
1361                 reply_nterror(req, status);
1362                 END_PROFILE(SMBntrename);
1363                 return;
1364         }
1365
1366         status = resolve_dfspath(ctx, conn,
1367                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
1368                                 oldname,
1369                                 &oldname);
1370         if (!NT_STATUS_IS_OK(status)) {
1371                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1372                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1373                                         ERRSRV, ERRbadpath);
1374                         END_PROFILE(SMBntrename);
1375                         return;
1376                 }
1377                 reply_nterror(req, status);
1378                 END_PROFILE(SMBntrename);
1379                 return;
1380         }
1381
1382         status = resolve_dfspath(ctx, conn,
1383                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
1384                                 newname,
1385                                 &newname);
1386         if (!NT_STATUS_IS_OK(status)) {
1387                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1388                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1389                                         ERRSRV, ERRbadpath);
1390                         END_PROFILE(SMBntrename);
1391                         return;
1392                 }
1393                 reply_nterror(req, status);
1394                 END_PROFILE(SMBntrename);
1395                 return;
1396         }
1397
1398         /* The new name must begin with a ':' if the old name is a stream. */
1399         if (is_ntfs_stream_name(oldname) && (newname[0] != ':')) {
1400                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1401                 END_PROFILE(SMBntrename);
1402                 return;
1403         }
1404
1405         DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1406
1407         switch(rename_type) {
1408                 case RENAME_FLAG_RENAME:
1409                         status = rename_internals(ctx, conn, req, oldname,
1410                                         newname, attrs, False, src_has_wcard,
1411                                         dest_has_wcard, DELETE_ACCESS);
1412                         break;
1413                 case RENAME_FLAG_HARD_LINK:
1414                         if (src_has_wcard || dest_has_wcard) {
1415                                 /* No wildcards. */
1416                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1417                         } else {
1418                                 status = hardlink_internals(ctx,
1419                                                 conn,
1420                                                 oldname,
1421                                                 newname);
1422                         }
1423                         break;
1424                 case RENAME_FLAG_COPY:
1425                         if (src_has_wcard || dest_has_wcard) {
1426                                 /* No wildcards. */
1427                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1428                         } else {
1429                                 status = copy_internals(ctx, conn, req, oldname,
1430                                                         newname, attrs);
1431                         }
1432                         break;
1433                 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1434                         status = NT_STATUS_INVALID_PARAMETER;
1435                         break;
1436                 default:
1437                         status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1438                         break;
1439         }
1440
1441         if (!NT_STATUS_IS_OK(status)) {
1442                 if (open_was_deferred(req->mid)) {
1443                         /* We have re-scheduled this call. */
1444                         END_PROFILE(SMBntrename);
1445                         return;
1446                 }
1447
1448                 reply_nterror(req, status);
1449                 END_PROFILE(SMBntrename);
1450                 return;
1451         }
1452
1453         reply_outbuf(req, 0, 0);
1454
1455         END_PROFILE(SMBntrename);
1456         return;
1457 }
1458
1459 /****************************************************************************
1460  Reply to a notify change - queue the request and
1461  don't allow a directory to be opened.
1462 ****************************************************************************/
1463
1464 static void call_nt_transact_notify_change(connection_struct *conn,
1465                                            struct smb_request *req,
1466                                            uint16 **ppsetup,
1467                                            uint32 setup_count,
1468                                            char **ppparams,
1469                                            uint32 parameter_count,
1470                                            char **ppdata, uint32 data_count,
1471                                            uint32 max_data_count,
1472                                            uint32 max_param_count)
1473 {
1474         uint16 *setup = *ppsetup;
1475         files_struct *fsp;
1476         uint32 filter;
1477         NTSTATUS status;
1478         bool recursive;
1479
1480         if(setup_count < 6) {
1481                 reply_doserror(req, ERRDOS, ERRbadfunc);
1482                 return;
1483         }
1484
1485         fsp = file_fsp(req, SVAL(setup,4));
1486         filter = IVAL(setup, 0);
1487         recursive = (SVAL(setup, 6) != 0) ? True : False;
1488
1489         DEBUG(3,("call_nt_transact_notify_change\n"));
1490
1491         if(!fsp) {
1492                 reply_doserror(req, ERRDOS, ERRbadfid);
1493                 return;
1494         }
1495
1496         {
1497                 char *filter_string;
1498
1499                 if (!(filter_string = notify_filter_string(NULL, filter))) {
1500                         reply_nterror(req,NT_STATUS_NO_MEMORY);
1501                         return;
1502                 }
1503
1504                 DEBUG(3,("call_nt_transact_notify_change: notify change "
1505                          "called on %s, filter = %s, recursive = %d\n",
1506                          fsp->fsp_name, filter_string, recursive));
1507
1508                 TALLOC_FREE(filter_string);
1509         }
1510
1511         if((!fsp->is_directory) || (conn != fsp->conn)) {
1512                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1513                 return;
1514         }
1515
1516         if (fsp->notify == NULL) {
1517
1518                 status = change_notify_create(fsp, filter, recursive);
1519
1520                 if (!NT_STATUS_IS_OK(status)) {
1521                         DEBUG(10, ("change_notify_create returned %s\n",
1522                                    nt_errstr(status)));
1523                         reply_nterror(req, status);
1524                         return;
1525                 }
1526         }
1527
1528         if (fsp->notify->num_changes != 0) {
1529
1530                 /*
1531                  * We've got changes pending, respond immediately
1532                  */
1533
1534                 /*
1535                  * TODO: write a torture test to check the filtering behaviour
1536                  * here.
1537                  */
1538
1539                 change_notify_reply(fsp->conn, req, max_param_count,
1540                                     fsp->notify);
1541
1542                 /*
1543                  * change_notify_reply() above has independently sent its
1544                  * results
1545                  */
1546                 return;
1547         }
1548
1549         /*
1550          * No changes pending, queue the request
1551          */
1552
1553         status = change_notify_add_request(req,
1554                         max_param_count,
1555                         filter,
1556                         recursive, fsp);
1557         if (!NT_STATUS_IS_OK(status)) {
1558                 reply_nterror(req, status);
1559         }
1560         return;
1561 }
1562
1563 /****************************************************************************
1564  Reply to an NT transact rename command.
1565 ****************************************************************************/
1566
1567 static void call_nt_transact_rename(connection_struct *conn,
1568                                     struct smb_request *req,
1569                                     uint16 **ppsetup, uint32 setup_count,
1570                                     char **ppparams, uint32 parameter_count,
1571                                     char **ppdata, uint32 data_count,
1572                                     uint32 max_data_count)
1573 {
1574         char *params = *ppparams;
1575         char *new_name = NULL;
1576         files_struct *fsp = NULL;
1577         bool dest_has_wcard = False;
1578         NTSTATUS status;
1579         TALLOC_CTX *ctx = talloc_tos();
1580
1581         if(parameter_count < 5) {
1582                 reply_doserror(req, ERRDOS, ERRbadfunc);
1583                 return;
1584         }
1585
1586         fsp = file_fsp(req, SVAL(params, 0));
1587         if (!check_fsp(conn, req, fsp)) {
1588                 return;
1589         }
1590         srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1591                               parameter_count - 4,
1592                               STR_TERMINATE, &status, &dest_has_wcard);
1593         if (!NT_STATUS_IS_OK(status)) {
1594                 reply_nterror(req, status);
1595                 return;
1596         }
1597
1598         /*
1599          * W2K3 ignores this request as the RAW-RENAME test
1600          * demonstrates, so we do.
1601          */
1602         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1603
1604         DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1605                  fsp->fsp_name, new_name));
1606
1607         return;
1608 }
1609
1610 /******************************************************************************
1611  Fake up a completely empty SD.
1612 *******************************************************************************/
1613
1614 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1615 {
1616         size_t sd_size;
1617
1618         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1619         if(!*ppsd) {
1620                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1621                 return NT_STATUS_NO_MEMORY;
1622         }
1623
1624         return NT_STATUS_OK;
1625 }
1626
1627 /****************************************************************************
1628  Reply to query a security descriptor.
1629 ****************************************************************************/
1630
1631 static void call_nt_transact_query_security_desc(connection_struct *conn,
1632                                                  struct smb_request *req,
1633                                                  uint16 **ppsetup,
1634                                                  uint32 setup_count,
1635                                                  char **ppparams,
1636                                                  uint32 parameter_count,
1637                                                  char **ppdata,
1638                                                  uint32 data_count,
1639                                                  uint32 max_data_count)
1640 {
1641         char *params = *ppparams;
1642         char *data = *ppdata;
1643         SEC_DESC *psd = NULL;
1644         size_t sd_size;
1645         uint32 security_info_wanted;
1646         files_struct *fsp = NULL;
1647         NTSTATUS status;
1648         DATA_BLOB blob;
1649
1650         if(parameter_count < 8) {
1651                 reply_doserror(req, ERRDOS, ERRbadfunc);
1652                 return;
1653         }
1654
1655         fsp = file_fsp(req, SVAL(params,0));
1656         if(!fsp) {
1657                 reply_doserror(req, ERRDOS, ERRbadfid);
1658                 return;
1659         }
1660
1661         security_info_wanted = IVAL(params,4);
1662
1663         DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
1664                         (unsigned int)security_info_wanted ));
1665
1666         params = nttrans_realloc(ppparams, 4);
1667         if(params == NULL) {
1668                 reply_doserror(req, ERRDOS, ERRnomem);
1669                 return;
1670         }
1671
1672         /*
1673          * Get the permissions to return.
1674          */
1675
1676         if (!lp_nt_acl_support(SNUM(conn))) {
1677                 status = get_null_nt_acl(talloc_tos(), &psd);
1678         } else {
1679                 status = SMB_VFS_FGET_NT_ACL(
1680                         fsp, security_info_wanted, &psd);
1681         }
1682         if (!NT_STATUS_IS_OK(status)) {
1683                 reply_nterror(req, status);
1684                 return;
1685         }
1686
1687         /* If the SACL/DACL is NULL, but was requested, we mark that it is
1688          * present in the reply to match Windows behavior */
1689         if (psd->sacl == NULL &&
1690             security_info_wanted & SACL_SECURITY_INFORMATION)
1691                 psd->type |= SEC_DESC_SACL_PRESENT;
1692         if (psd->dacl == NULL &&
1693             security_info_wanted & DACL_SECURITY_INFORMATION)
1694                 psd->type |= SEC_DESC_DACL_PRESENT;
1695
1696         sd_size = ndr_size_security_descriptor(psd, NULL, 0);
1697
1698         DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1699
1700         if (DEBUGLEVEL >= 10) {
1701                 DEBUG(10,("call_nt_transact_query_security_desc for file %s\n", fsp->fsp_name));
1702                 NDR_PRINT_DEBUG(security_descriptor, psd);
1703         }
1704
1705         SIVAL(params,0,(uint32)sd_size);
1706
1707         if (max_data_count < sd_size) {
1708                 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1709                                 params, 4, *ppdata, 0);
1710                 return;
1711         }
1712
1713         /*
1714          * Allocate the data we will point this at.
1715          */
1716
1717         data = nttrans_realloc(ppdata, sd_size);
1718         if(data == NULL) {
1719                 reply_doserror(req, ERRDOS, ERRnomem);
1720                 return;
1721         }
1722
1723         status = marshall_sec_desc(talloc_tos(), psd,
1724                                    &blob.data, &blob.length);
1725
1726         if (!NT_STATUS_IS_OK(status)) {
1727                 reply_nterror(req, status);
1728                 return;
1729         }
1730
1731         SMB_ASSERT(sd_size == blob.length);
1732         memcpy(data, blob.data, sd_size);
1733
1734         send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1735
1736         return;
1737 }
1738
1739 /****************************************************************************
1740  Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1741 ****************************************************************************/
1742
1743 static void call_nt_transact_set_security_desc(connection_struct *conn,
1744                                                struct smb_request *req,
1745                                                uint16 **ppsetup,
1746                                                uint32 setup_count,
1747                                                char **ppparams,
1748                                                uint32 parameter_count,
1749                                                char **ppdata,
1750                                                uint32 data_count,
1751                                                uint32 max_data_count)
1752 {
1753         char *params= *ppparams;
1754         char *data = *ppdata;
1755         files_struct *fsp = NULL;
1756         uint32 security_info_sent = 0;
1757         NTSTATUS status;
1758
1759         if(parameter_count < 8) {
1760                 reply_doserror(req, ERRDOS, ERRbadfunc);
1761                 return;
1762         }
1763
1764         if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
1765                 reply_doserror(req, ERRDOS, ERRbadfid);
1766                 return;
1767         }
1768
1769         if(!lp_nt_acl_support(SNUM(conn))) {
1770                 goto done;
1771         }
1772
1773         security_info_sent = IVAL(params,4);
1774
1775         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
1776                 (unsigned int)security_info_sent ));
1777
1778         if (data_count == 0) {
1779                 reply_doserror(req, ERRDOS, ERRnoaccess);
1780                 return;
1781         }
1782
1783         status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
1784
1785         if (!NT_STATUS_IS_OK(status)) {
1786                 reply_nterror(req, status);
1787                 return;
1788         }
1789
1790   done:
1791         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1792         return;
1793 }
1794
1795 /****************************************************************************
1796  Reply to NT IOCTL
1797 ****************************************************************************/
1798
1799 static void call_nt_transact_ioctl(connection_struct *conn,
1800                                    struct smb_request *req,
1801                                    uint16 **ppsetup, uint32 setup_count,
1802                                    char **ppparams, uint32 parameter_count,
1803                                    char **ppdata, uint32 data_count,
1804                                    uint32 max_data_count)
1805 {
1806         uint32 function;
1807         uint16 fidnum;
1808         files_struct *fsp;
1809         uint8 isFSctl;
1810         uint8 compfilter;
1811         char *pdata = *ppdata;
1812
1813         if (setup_count != 8) {
1814                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1815                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1816                 return;
1817         }
1818
1819         function = IVAL(*ppsetup, 0);
1820         fidnum = SVAL(*ppsetup, 4);
1821         isFSctl = CVAL(*ppsetup, 6);
1822         compfilter = CVAL(*ppsetup, 7);
1823
1824         DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
1825                  function, fidnum, isFSctl, compfilter));
1826
1827         fsp=file_fsp(req, fidnum);
1828         /* this check is done in each implemented function case for now
1829            because I don't want to break anything... --metze
1830         FSP_BELONGS_CONN(fsp,conn);*/
1831
1832         SMB_PERFCOUNT_SET_IOCTL(&req->pcd, function);
1833
1834         switch (function) {
1835         case FSCTL_SET_SPARSE:
1836                 /* pretend this succeeded - tho strictly we should
1837                    mark the file sparse (if the local fs supports it)
1838                    so we can know if we need to pre-allocate or not */
1839
1840                 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
1841                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1842                 return;
1843
1844         case FSCTL_CREATE_OR_GET_OBJECT_ID:
1845         {
1846                 unsigned char objid[16];
1847
1848                 /* This should return the object-id on this file.
1849                  * I think I'll make this be the inode+dev. JRA.
1850                  */
1851
1852                 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
1853
1854                 if (!fsp_belongs_conn(conn, req, fsp)) {
1855                         return;
1856                 }
1857
1858                 data_count = 64;
1859                 pdata = nttrans_realloc(ppdata, data_count);
1860                 if (pdata == NULL) {
1861                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1862                         return;
1863                 }
1864
1865                 /* For backwards compatibility only store the dev/inode. */
1866                 push_file_id_16(pdata, &fsp->file_id);
1867                 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
1868                 push_file_id_16(pdata+32, &fsp->file_id);
1869                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1870                                 pdata, data_count);
1871                 return;
1872         }
1873
1874         case FSCTL_GET_REPARSE_POINT:
1875                 /* pretend this fail - my winXP does it like this
1876                  * --metze
1877                  */
1878
1879                 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1880                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1881                 return;
1882
1883         case FSCTL_SET_REPARSE_POINT:
1884                 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
1885                  * --metze
1886                  */
1887
1888                 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1889                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1890                 return;
1891
1892         case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
1893         {
1894                 /*
1895                  * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
1896                  * and return their volume names.  If max_data_count is 16, then it is just
1897                  * asking for the number of volumes and length of the combined names.
1898                  *
1899                  * pdata is the data allocated by our caller, but that uses
1900                  * total_data_count (which is 0 in our case) rather than max_data_count.
1901                  * Allocate the correct amount and return the pointer to let
1902                  * it be deallocated when we return.
1903                  */
1904                 SHADOW_COPY_DATA *shadow_data = NULL;
1905                 TALLOC_CTX *shadow_mem_ctx = NULL;
1906                 bool labels = False;
1907                 uint32 labels_data_count = 0;
1908                 uint32 i;
1909                 char *cur_pdata;
1910
1911                 if (!fsp_belongs_conn(conn, req, fsp)) {
1912                         return;
1913                 }
1914
1915                 if (max_data_count < 16) {
1916                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
1917                                 max_data_count));
1918                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1919                         return;
1920                 }
1921
1922                 if (max_data_count > 16) {
1923                         labels = True;
1924                 }
1925
1926                 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
1927                 if (shadow_mem_ctx == NULL) {
1928                         DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
1929                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1930                         return;
1931                 }
1932
1933                 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
1934                 if (shadow_data == NULL) {
1935                         DEBUG(0,("TALLOC_ZERO() failed!\n"));
1936                         talloc_destroy(shadow_mem_ctx);
1937                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1938                         return;
1939                 }
1940
1941                 shadow_data->mem_ctx = shadow_mem_ctx;
1942
1943                 /*
1944                  * Call the VFS routine to actually do the work.
1945                  */
1946                 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
1947                         talloc_destroy(shadow_data->mem_ctx);
1948                         if (errno == ENOSYS) {
1949                                 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
1950                                         conn->connectpath));
1951                                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1952                                 return;
1953                         } else {
1954                                 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
1955                                         conn->connectpath));
1956                                 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
1957                                 return;
1958                         }
1959                 }
1960
1961                 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
1962
1963                 if (!labels) {
1964                         data_count = 16;
1965                 } else {
1966                         data_count = 12+labels_data_count+4;
1967                 }
1968
1969                 if (max_data_count<data_count) {
1970                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
1971                                 max_data_count,data_count));
1972                         talloc_destroy(shadow_data->mem_ctx);
1973                         reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
1974                         return;
1975                 }
1976
1977                 pdata = nttrans_realloc(ppdata, data_count);
1978                 if (pdata == NULL) {
1979                         talloc_destroy(shadow_data->mem_ctx);
1980                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1981                         return;
1982                 }
1983
1984                 cur_pdata = pdata;
1985
1986                 /* num_volumes 4 bytes */
1987                 SIVAL(pdata,0,shadow_data->num_volumes);
1988
1989                 if (labels) {
1990                         /* num_labels 4 bytes */
1991                         SIVAL(pdata,4,shadow_data->num_volumes);
1992                 }
1993
1994                 /* needed_data_count 4 bytes */
1995                 SIVAL(pdata,8,labels_data_count);
1996
1997                 cur_pdata+=12;
1998
1999                 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2000                         shadow_data->num_volumes,fsp->fsp_name));
2001                 if (labels && shadow_data->labels) {
2002                         for (i=0;i<shadow_data->num_volumes;i++) {
2003                                 srvstr_push(pdata, req->flags2,
2004                                             cur_pdata, shadow_data->labels[i],
2005                                             2*sizeof(SHADOW_COPY_LABEL),
2006                                             STR_UNICODE|STR_TERMINATE);
2007                                 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2008                                 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2009                         }
2010                 }
2011
2012                 talloc_destroy(shadow_data->mem_ctx);
2013
2014                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2015                                 pdata, data_count);
2016
2017                 return;
2018         }
2019
2020         case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2021         {
2022                 /* pretend this succeeded -
2023                  *
2024                  * we have to send back a list with all files owned by this SID
2025                  *
2026                  * but I have to check that --metze
2027                  */
2028                 DOM_SID sid;
2029                 uid_t uid;
2030                 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2031
2032                 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2033
2034                 if (!fsp_belongs_conn(conn, req, fsp)) {
2035                         return;
2036                 }
2037
2038                 /* unknown 4 bytes: this is not the length of the sid :-(  */
2039                 /*unknown = IVAL(pdata,0);*/
2040
2041                 sid_parse(pdata+4,sid_len,&sid);
2042                 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
2043
2044                 if (!sid_to_uid(&sid, &uid)) {
2045                         DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2046                                  sid_string_dbg(&sid),
2047                                  (unsigned long)sid_len));
2048                         uid = (-1);
2049                 }
2050
2051                 /* we can take a look at the find source :-)
2052                  *
2053                  * find ./ -uid $uid  -name '*'   is what we need here
2054                  *
2055                  *
2056                  * and send 4bytes len and then NULL terminated unicode strings
2057                  * for each file
2058                  *
2059                  * but I don't know how to deal with the paged results
2060                  * (maybe we can hang the result anywhere in the fsp struct)
2061                  *
2062                  * we don't send all files at once
2063                  * and at the next we should *not* start from the beginning,
2064                  * so we have to cache the result
2065                  *
2066                  * --metze
2067                  */
2068
2069                 /* this works for now... */
2070                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2071                 return;
2072         }
2073         default:
2074                 if (!logged_ioctl_message) {
2075                         logged_ioctl_message = true; /* Only print this once... */
2076                         DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2077                                  function));
2078                 }
2079         }
2080
2081         reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2082 }
2083
2084
2085 #ifdef HAVE_SYS_QUOTAS
2086 /****************************************************************************
2087  Reply to get user quota
2088 ****************************************************************************/
2089
2090 static void call_nt_transact_get_user_quota(connection_struct *conn,
2091                                             struct smb_request *req,
2092                                             uint16 **ppsetup,
2093                                             uint32 setup_count,
2094                                             char **ppparams,
2095                                             uint32 parameter_count,
2096                                             char **ppdata,
2097                                             uint32 data_count,
2098                                             uint32 max_data_count)
2099 {
2100         NTSTATUS nt_status = NT_STATUS_OK;
2101         char *params = *ppparams;
2102         char *pdata = *ppdata;
2103         char *entry;
2104         int data_len=0,param_len=0;
2105         int qt_len=0;
2106         int entry_len = 0;
2107         files_struct *fsp = NULL;
2108         uint16 level = 0;
2109         size_t sid_len;
2110         DOM_SID sid;
2111         bool start_enum = True;
2112         SMB_NTQUOTA_STRUCT qt;
2113         SMB_NTQUOTA_LIST *tmp_list;
2114         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2115
2116         ZERO_STRUCT(qt);
2117
2118         /* access check */
2119         if (conn->server_info->utok.uid != 0) {
2120                 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2121                          "[%s]\n", lp_servicename(SNUM(conn)),
2122                          conn->server_info->unix_name));
2123                 reply_doserror(req, ERRDOS, ERRnoaccess);
2124                 return;
2125         }
2126
2127         /*
2128          * Ensure minimum number of parameters sent.
2129          */
2130
2131         if (parameter_count < 4) {
2132                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2133                 reply_doserror(req, ERRDOS, ERRinvalidparam);
2134                 return;
2135         }
2136
2137         /* maybe we can check the quota_fnum */
2138         fsp = file_fsp(req, SVAL(params,0));
2139         if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2140                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2141                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2142                 return;
2143         }
2144
2145         /* the NULL pointer checking for fsp->fake_file_handle->pd
2146          * is done by CHECK_NTQUOTA_HANDLE_OK()
2147          */
2148         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2149
2150         level = SVAL(params,2);
2151
2152         /* unknown 12 bytes leading in params */
2153
2154         switch (level) {
2155                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2156                         /* seems that we should continue with the enum here --metze */
2157
2158                         if (qt_handle->quota_list!=NULL &&
2159                             qt_handle->tmp_list==NULL) {
2160
2161                                 /* free the list */
2162                                 free_ntquota_list(&(qt_handle->quota_list));
2163
2164                                 /* Realloc the size of parameters and data we will return */
2165                                 param_len = 4;
2166                                 params = nttrans_realloc(ppparams, param_len);
2167                                 if(params == NULL) {
2168                                         reply_doserror(req, ERRDOS, ERRnomem);
2169                                         return;
2170                                 }
2171
2172                                 data_len = 0;
2173                                 SIVAL(params,0,data_len);
2174
2175                                 break;
2176                         }
2177
2178                         start_enum = False;
2179
2180                 case TRANSACT_GET_USER_QUOTA_LIST_START:
2181
2182                         if (qt_handle->quota_list==NULL &&
2183                                 qt_handle->tmp_list==NULL) {
2184                                 start_enum = True;
2185                         }
2186
2187                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2188                                 reply_doserror(req, ERRSRV, ERRerror);
2189                                 return;
2190                         }
2191
2192                         /* Realloc the size of parameters and data we will return */
2193                         param_len = 4;
2194                         params = nttrans_realloc(ppparams, param_len);
2195                         if(params == NULL) {
2196                                 reply_doserror(req, ERRDOS, ERRnomem);
2197                                 return;
2198                         }
2199
2200                         /* we should not trust the value in max_data_count*/
2201                         max_data_count = MIN(max_data_count,2048);
2202
2203                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2204                         if(pdata == NULL) {
2205                                 reply_doserror(req, ERRDOS, ERRnomem);
2206                                 return;
2207                         }
2208
2209                         entry = pdata;
2210
2211                         /* set params Size of returned Quota Data 4 bytes*/
2212                         /* but set it later when we know it */
2213
2214                         /* for each entry push the data */
2215
2216                         if (start_enum) {
2217                                 qt_handle->tmp_list = qt_handle->quota_list;
2218                         }
2219
2220                         tmp_list = qt_handle->tmp_list;
2221
2222                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2223                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2224
2225                                 sid_len = ndr_size_dom_sid(
2226                                         &tmp_list->quotas->sid, NULL, 0);
2227                                 entry_len = 40 + sid_len;
2228
2229                                 /* nextoffset entry 4 bytes */
2230                                 SIVAL(entry,0,entry_len);
2231
2232                                 /* then the len of the SID 4 bytes */
2233                                 SIVAL(entry,4,sid_len);
2234
2235                                 /* unknown data 8 bytes uint64_t */
2236                                 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2237
2238                                 /* the used disk space 8 bytes uint64_t */
2239                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2240
2241                                 /* the soft quotas 8 bytes uint64_t */
2242                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2243
2244                                 /* the hard quotas 8 bytes uint64_t */
2245                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2246
2247                                 /* and now the SID */
2248                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2249                         }
2250
2251                         qt_handle->tmp_list = tmp_list;
2252
2253                         /* overwrite the offset of the last entry */
2254                         SIVAL(entry-entry_len,0,0);
2255
2256                         data_len = 4+qt_len;
2257                         /* overwrite the params quota_data_len */
2258                         SIVAL(params,0,data_len);
2259
2260                         break;
2261
2262                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2263
2264                         /* unknown 4 bytes IVAL(pdata,0) */
2265
2266                         if (data_count < 8) {
2267                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2268                                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2269                                 return;
2270                         }
2271
2272                         sid_len = IVAL(pdata,4);
2273                         /* Ensure this is less than 1mb. */
2274                         if (sid_len > (1024*1024)) {
2275                                 reply_doserror(req, ERRDOS, ERRnomem);
2276                                 return;
2277                         }
2278
2279                         if (data_count < 8+sid_len) {
2280                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2281                                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2282                                 return;
2283                         }
2284
2285                         data_len = 4+40+sid_len;
2286
2287                         if (max_data_count < data_len) {
2288                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2289                                         max_data_count, data_len));
2290                                 param_len = 4;
2291                                 SIVAL(params,0,data_len);
2292                                 data_len = 0;
2293                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2294                                 break;
2295                         }
2296
2297                         sid_parse(pdata+8,sid_len,&sid);
2298
2299                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2300                                 ZERO_STRUCT(qt);
2301                                 /*
2302                                  * we have to return zero's in all fields
2303                                  * instead of returning an error here
2304                                  * --metze
2305                                  */
2306                         }
2307
2308                         /* Realloc the size of parameters and data we will return */
2309                         param_len = 4;
2310                         params = nttrans_realloc(ppparams, param_len);
2311                         if(params == NULL) {
2312                                 reply_doserror(req, ERRDOS, ERRnomem);
2313                                 return;
2314                         }
2315
2316                         pdata = nttrans_realloc(ppdata, data_len);
2317                         if(pdata == NULL) {
2318                                 reply_doserror(req, ERRDOS, ERRnomem);
2319                                 return;
2320                         }
2321
2322                         entry = pdata;
2323
2324                         /* set params Size of returned Quota Data 4 bytes*/
2325                         SIVAL(params,0,data_len);
2326
2327                         /* nextoffset entry 4 bytes */
2328                         SIVAL(entry,0,0);
2329
2330                         /* then the len of the SID 4 bytes */
2331                         SIVAL(entry,4,sid_len);
2332
2333                         /* unknown data 8 bytes uint64_t */
2334                         SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2335
2336                         /* the used disk space 8 bytes uint64_t */
2337                         SBIG_UINT(entry,16,qt.usedspace);
2338
2339                         /* the soft quotas 8 bytes uint64_t */
2340                         SBIG_UINT(entry,24,qt.softlim);
2341
2342                         /* the hard quotas 8 bytes uint64_t */
2343                         SBIG_UINT(entry,32,qt.hardlim);
2344
2345                         /* and now the SID */
2346                         sid_linearize(entry+40, sid_len, &sid);
2347
2348                         break;
2349
2350                 default:
2351                         DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2352                         reply_doserror(req, ERRSRV, ERRerror);
2353                         return;
2354                         break;
2355         }
2356
2357         send_nt_replies(conn, req, nt_status, params, param_len,
2358                         pdata, data_len);
2359 }
2360
2361 /****************************************************************************
2362  Reply to set user quota
2363 ****************************************************************************/
2364
2365 static void call_nt_transact_set_user_quota(connection_struct *conn,
2366                                             struct smb_request *req,
2367                                             uint16 **ppsetup,
2368                                             uint32 setup_count,
2369                                             char **ppparams,
2370                                             uint32 parameter_count,
2371                                             char **ppdata,
2372                                             uint32 data_count,
2373                                             uint32 max_data_count)
2374 {
2375         char *params = *ppparams;
2376         char *pdata = *ppdata;
2377         int data_len=0,param_len=0;
2378         SMB_NTQUOTA_STRUCT qt;
2379         size_t sid_len;
2380         DOM_SID sid;
2381         files_struct *fsp = NULL;
2382
2383         ZERO_STRUCT(qt);
2384
2385         /* access check */
2386         if (conn->server_info->utok.uid != 0) {
2387                 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2388                          "[%s]\n", lp_servicename(SNUM(conn)),
2389                          conn->server_info->unix_name));
2390                 reply_doserror(req, ERRDOS, ERRnoaccess);
2391                 return;
2392         }
2393
2394         /*
2395          * Ensure minimum number of parameters sent.
2396          */
2397
2398         if (parameter_count < 2) {
2399                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2400                 reply_doserror(req, ERRDOS, ERRinvalidparam);
2401                 return;
2402         }
2403
2404         /* maybe we can check the quota_fnum */
2405         fsp = file_fsp(req, SVAL(params,0));
2406         if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2407                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2408                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2409                 return;
2410         }
2411
2412         if (data_count < 40) {
2413                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2414                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2415                 return;
2416         }
2417
2418         /* offset to next quota record.
2419          * 4 bytes IVAL(pdata,0)
2420          * unused here...
2421          */
2422
2423         /* sid len */
2424         sid_len = IVAL(pdata,4);
2425
2426         if (data_count < 40+sid_len) {
2427                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2428                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2429                 return;
2430         }
2431
2432         /* unknown 8 bytes in pdata
2433          * maybe its the change time in NTTIME
2434          */
2435
2436         /* the used space 8 bytes (uint64_t)*/
2437         qt.usedspace = (uint64_t)IVAL(pdata,16);
2438 #ifdef LARGE_SMB_OFF_T
2439         qt.usedspace |= (((uint64_t)IVAL(pdata,20)) << 32);
2440 #else /* LARGE_SMB_OFF_T */
2441         if ((IVAL(pdata,20) != 0)&&
2442                 ((qt.usedspace != 0xFFFFFFFF)||
2443                 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2444                 /* more than 32 bits? */
2445                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2446                 return;
2447         }
2448 #endif /* LARGE_SMB_OFF_T */
2449
2450         /* the soft quotas 8 bytes (uint64_t)*/
2451         qt.softlim = (uint64_t)IVAL(pdata,24);
2452 #ifdef LARGE_SMB_OFF_T
2453         qt.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
2454 #else /* LARGE_SMB_OFF_T */
2455         if ((IVAL(pdata,28) != 0)&&
2456                 ((qt.softlim != 0xFFFFFFFF)||
2457                 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2458                 /* more than 32 bits? */
2459                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2460                 return;
2461         }
2462 #endif /* LARGE_SMB_OFF_T */
2463
2464         /* the hard quotas 8 bytes (uint64_t)*/
2465         qt.hardlim = (uint64_t)IVAL(pdata,32);
2466 #ifdef LARGE_SMB_OFF_T
2467         qt.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
2468 #else /* LARGE_SMB_OFF_T */
2469         if ((IVAL(pdata,36) != 0)&&
2470                 ((qt.hardlim != 0xFFFFFFFF)||
2471                 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2472                 /* more than 32 bits? */
2473                 reply_doserror(req, ERRDOS, ERRunknownlevel);
2474                 return;
2475         }
2476 #endif /* LARGE_SMB_OFF_T */
2477
2478         sid_parse(pdata+40,sid_len,&sid);
2479         DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2480
2481         /* 44 unknown bytes left... */
2482
2483         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2484                 reply_doserror(req, ERRSRV, ERRerror);
2485                 return;
2486         }
2487
2488         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2489                         pdata, data_len);
2490 }
2491 #endif /* HAVE_SYS_QUOTAS */
2492
2493 static void handle_nttrans(connection_struct *conn,
2494                            struct trans_state *state,
2495                            struct smb_request *req)
2496 {
2497         if (Protocol >= PROTOCOL_NT1) {
2498                 req->flags2 |= 0x40; /* IS_LONG_NAME */
2499                 SSVAL(req->inbuf,smb_flg2,req->flags2);
2500         }
2501
2502
2503         SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
2504
2505         /* Now we must call the relevant NT_TRANS function */
2506         switch(state->call) {
2507                 case NT_TRANSACT_CREATE:
2508                 {
2509                         START_PROFILE(NT_transact_create);
2510                         call_nt_transact_create(
2511                                 conn, req,
2512                                 &state->setup, state->setup_count,
2513                                 &state->param, state->total_param,
2514                                 &state->data, state->total_data,
2515                                 state->max_data_return);
2516                         END_PROFILE(NT_transact_create);
2517                         break;
2518                 }
2519
2520                 case NT_TRANSACT_IOCTL:
2521                 {
2522                         START_PROFILE(NT_transact_ioctl);
2523                         call_nt_transact_ioctl(
2524                                 conn, req,
2525                                 &state->setup, state->setup_count,
2526                                 &state->param, state->total_param,
2527                                 &state->data, state->total_data,
2528                                 state->max_data_return);
2529                         END_PROFILE(NT_transact_ioctl);
2530                         break;
2531                 }
2532
2533                 case NT_TRANSACT_SET_SECURITY_DESC:
2534                 {
2535                         START_PROFILE(NT_transact_set_security_desc);
2536                         call_nt_transact_set_security_desc(
2537                                 conn, req,
2538                                 &state->setup, state->setup_count,
2539                                 &state->param, state->total_param,
2540                                 &state->data, state->total_data,
2541                                 state->max_data_return);
2542                         END_PROFILE(NT_transact_set_security_desc);
2543                         break;
2544                 }
2545
2546                 case NT_TRANSACT_NOTIFY_CHANGE:
2547                 {
2548                         START_PROFILE(NT_transact_notify_change);
2549                         call_nt_transact_notify_change(
2550                                 conn, req,
2551                                 &state->setup, state->setup_count,
2552                                 &state->param, state->total_param,
2553                                 &state->data, state->total_data,
2554                                 state->max_data_return,
2555                                 state->max_param_return);
2556                         END_PROFILE(NT_transact_notify_change);
2557                         break;
2558                 }
2559
2560                 case NT_TRANSACT_RENAME:
2561                 {
2562                         START_PROFILE(NT_transact_rename);
2563                         call_nt_transact_rename(
2564                                 conn, req,
2565                                 &state->setup, state->setup_count,
2566                                 &state->param, state->total_param,
2567                                 &state->data, state->total_data,
2568                                 state->max_data_return);
2569                         END_PROFILE(NT_transact_rename);
2570                         break;
2571                 }
2572
2573                 case NT_TRANSACT_QUERY_SECURITY_DESC:
2574                 {
2575                         START_PROFILE(NT_transact_query_security_desc);
2576                         call_nt_transact_query_security_desc(
2577                                 conn, req,
2578                                 &state->setup, state->setup_count,
2579                                 &state->param, state->total_param,
2580                                 &state->data, state->total_data,
2581                                 state->max_data_return);
2582                         END_PROFILE(NT_transact_query_security_desc);
2583                         break;
2584                 }
2585
2586 #ifdef HAVE_SYS_QUOTAS
2587                 case NT_TRANSACT_GET_USER_QUOTA:
2588                 {
2589                         START_PROFILE(NT_transact_get_user_quota);
2590                         call_nt_transact_get_user_quota(
2591                                 conn, req,
2592                                 &state->setup, state->setup_count,
2593                                 &state->param, state->total_param,
2594                                 &state->data, state->total_data,
2595                                 state->max_data_return);
2596                         END_PROFILE(NT_transact_get_user_quota);
2597                         break;
2598                 }
2599
2600                 case NT_TRANSACT_SET_USER_QUOTA:
2601                 {
2602                         START_PROFILE(NT_transact_set_user_quota);
2603                         call_nt_transact_set_user_quota(
2604                                 conn, req,
2605                                 &state->setup, state->setup_count,
2606                                 &state->param, state->total_param,
2607                                 &state->data, state->total_data,
2608                                 state->max_data_return);
2609                         END_PROFILE(NT_transact_set_user_quota);
2610                         break;
2611                 }
2612 #endif /* HAVE_SYS_QUOTAS */
2613
2614                 default:
2615                         /* Error in request */
2616                         DEBUG(0,("handle_nttrans: Unknown request %d in "
2617                                  "nttrans call\n", state->call));
2618                         reply_doserror(req, ERRSRV, ERRerror);
2619                         return;
2620         }
2621         return;
2622 }
2623
2624 /****************************************************************************
2625  Reply to a SMBNTtrans.
2626 ****************************************************************************/
2627
2628 void reply_nttrans(struct smb_request *req)
2629 {
2630         connection_struct *conn = req->conn;
2631         uint32_t pscnt;
2632         uint32_t psoff;
2633         uint32_t dscnt;
2634         uint32_t dsoff;
2635         uint16 function_code;
2636         NTSTATUS result;
2637         struct trans_state *state;
2638
2639         START_PROFILE(SMBnttrans);
2640
2641         if (req->wct < 19) {
2642                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2643                 END_PROFILE(SMBnttrans);
2644                 return;
2645         }
2646
2647         pscnt = IVAL(req->vwv+9, 1);
2648         psoff = IVAL(req->vwv+11, 1);
2649         dscnt = IVAL(req->vwv+13, 1);
2650         dsoff = IVAL(req->vwv+15, 1);
2651         function_code = SVAL(req->vwv+18, 0);
2652
2653         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2654                 reply_doserror(req, ERRSRV, ERRaccess);
2655                 END_PROFILE(SMBnttrans);
2656                 return;
2657         }
2658
2659         result = allow_new_trans(conn->pending_trans, req->mid);
2660         if (!NT_STATUS_IS_OK(result)) {
2661                 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2662                 reply_nterror(req, result);
2663                 END_PROFILE(SMBnttrans);
2664                 return;
2665         }
2666
2667         if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
2668                 reply_doserror(req, ERRSRV, ERRaccess);
2669                 END_PROFILE(SMBnttrans);
2670                 return;
2671         }
2672
2673         state->cmd = SMBnttrans;
2674
2675         state->mid = req->mid;
2676         state->vuid = req->vuid;
2677         state->total_data = IVAL(req->vwv+3, 1);
2678         state->data = NULL;
2679         state->total_param = IVAL(req->vwv+1, 1);
2680         state->param = NULL;
2681         state->max_data_return = IVAL(req->vwv+7, 1);
2682         state->max_param_return = IVAL(req->vwv+5, 1);
2683
2684         /* setup count is in *words* */
2685         state->setup_count = 2*CVAL(req->vwv+17, 1);
2686         state->setup = NULL;
2687         state->call = function_code;
2688
2689         DEBUG(10, ("num_setup=%u, "
2690                    "param_total=%u, this_param=%u, max_param=%u, "
2691                    "data_total=%u, this_data=%u, max_data=%u, "
2692                    "param_offset=%u, data_offset=%u\n",
2693                    (unsigned)state->setup_count,
2694                    (unsigned)state->total_param, (unsigned)pscnt,
2695                    (unsigned)state->max_param_return,
2696                    (unsigned)state->total_data, (unsigned)dscnt,
2697                    (unsigned)state->max_data_return,
2698                    (unsigned)psoff, (unsigned)dsoff));
2699
2700         /*
2701          * All nttrans messages we handle have smb_wct == 19 +
2702          * state->setup_count.  Ensure this is so as a sanity check.
2703          */
2704
2705         if(req->wct != 19 + (state->setup_count/2)) {
2706                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2707                          req->wct, 19 + (state->setup_count/2)));
2708                 goto bad_param;
2709         }
2710
2711         /* Don't allow more than 128mb for each value. */
2712         if ((state->total_data > (1024*1024*128)) ||
2713             (state->total_param > (1024*1024*128))) {
2714                 reply_doserror(req, ERRDOS, ERRnomem);
2715                 END_PROFILE(SMBnttrans);
2716                 return;
2717         }
2718
2719         if ((dscnt > state->total_data) || (pscnt > state->total_param))
2720                 goto bad_param;
2721
2722         if (state->total_data)  {
2723
2724                 if (trans_oob(state->total_data, 0, dscnt)
2725                     || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
2726                         goto bad_param;
2727                 }
2728
2729                 /* Can't use talloc here, the core routines do realloc on the
2730                  * params and data. */
2731                 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2732                         DEBUG(0,("reply_nttrans: data malloc fail for %u "
2733                                  "bytes !\n", (unsigned int)state->total_data));
2734                         TALLOC_FREE(state);
2735                         reply_doserror(req, ERRDOS, ERRnomem);
2736                         END_PROFILE(SMBnttrans);
2737                         return;
2738                 }
2739
2740                 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2741         }
2742
2743         if (state->total_param) {
2744
2745                 if (trans_oob(state->total_param, 0, pscnt)
2746                     || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
2747                         goto bad_param;
2748                 }
2749
2750                 /* Can't use talloc here, the core routines do realloc on the
2751                  * params and data. */
2752                 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2753                         DEBUG(0,("reply_nttrans: param malloc fail for %u "
2754                                  "bytes !\n", (unsigned int)state->total_param));
2755                         SAFE_FREE(state->data);
2756                         TALLOC_FREE(state);
2757                         reply_doserror(req, ERRDOS, ERRnomem);
2758                         END_PROFILE(SMBnttrans);
2759                         return;
2760                 }
2761
2762                 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2763         }
2764
2765         state->received_data  = dscnt;
2766         state->received_param = pscnt;
2767
2768         if(state->setup_count > 0) {
2769                 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2770                           state->setup_count));
2771
2772                 /*
2773                  * No overflow possible here, state->setup_count is an
2774                  * unsigned int, being filled by a single byte from
2775                  * CVAL(req->vwv+13, 0) above. The cast in the comparison
2776                  * below is not necessary, it's here to clarify things. The
2777                  * validity of req->vwv and req->wct has been checked in
2778                  * init_smb_request already.
2779                  */
2780                 if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
2781                         goto bad_param;
2782                 }
2783
2784                 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2785                 if (state->setup == NULL) {
2786                         DEBUG(0,("reply_nttrans : Out of memory\n"));
2787                         SAFE_FREE(state->data);
2788                         SAFE_FREE(state->param);
2789                         TALLOC_FREE(state);
2790                         reply_doserror(req, ERRDOS, ERRnomem);
2791                         END_PROFILE(SMBnttrans);
2792                         return;
2793                 }
2794
2795                 memcpy(state->setup, req->vwv+19, state->setup_count);
2796                 dump_data(10, (uint8 *)state->setup, state->setup_count);
2797         }
2798
2799         if ((state->received_data == state->total_data) &&
2800             (state->received_param == state->total_param)) {
2801                 handle_nttrans(conn, state, req);
2802                 SAFE_FREE(state->param);
2803                 SAFE_FREE(state->data);
2804                 TALLOC_FREE(state);
2805                 END_PROFILE(SMBnttrans);
2806                 return;
2807         }
2808
2809         DLIST_ADD(conn->pending_trans, state);
2810
2811         /* We need to send an interim response then receive the rest
2812            of the parameter/data bytes */
2813         reply_outbuf(req, 0, 0);
2814         show_msg((char *)req->outbuf);
2815         END_PROFILE(SMBnttrans);
2816         return;
2817
2818   bad_param:
2819
2820         DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2821         SAFE_FREE(state->data);
2822         SAFE_FREE(state->param);
2823         TALLOC_FREE(state);
2824         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2825         END_PROFILE(SMBnttrans);
2826         return;
2827 }
2828
2829 /****************************************************************************
2830  Reply to a SMBnttranss
2831  ****************************************************************************/
2832
2833 void reply_nttranss(struct smb_request *req)
2834 {
2835         connection_struct *conn = req->conn;
2836         uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
2837         struct trans_state *state;
2838
2839         START_PROFILE(SMBnttranss);
2840
2841         show_msg((char *)req->inbuf);
2842
2843         if (req->wct < 18) {
2844                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2845                 END_PROFILE(SMBnttranss);
2846                 return;
2847         }
2848
2849         for (state = conn->pending_trans; state != NULL;
2850              state = state->next) {
2851                 if (state->mid == req->mid) {
2852                         break;
2853                 }
2854         }
2855
2856         if ((state == NULL) || (state->cmd != SMBnttrans)) {
2857                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2858                 END_PROFILE(SMBnttranss);
2859                 return;
2860         }
2861
2862         /* Revise state->total_param and state->total_data in case they have
2863            changed downwards */
2864         if (IVAL(req->vwv+1, 1) < state->total_param) {
2865                 state->total_param = IVAL(req->vwv+1, 1);
2866         }
2867         if (IVAL(req->vwv+3, 1) < state->total_data) {
2868                 state->total_data = IVAL(req->vwv+3, 1);
2869         }
2870
2871         pcnt = IVAL(req->vwv+5, 1);
2872         poff = IVAL(req->vwv+7, 1);
2873         pdisp = IVAL(req->vwv+9, 1);
2874
2875         dcnt = IVAL(req->vwv+11, 1);
2876         doff = IVAL(req->vwv+13, 1);
2877         ddisp = IVAL(req->vwv+15, 1);
2878
2879         state->received_param += pcnt;
2880         state->received_data += dcnt;
2881
2882         if ((state->received_data > state->total_data) ||
2883             (state->received_param > state->total_param))
2884                 goto bad_param;
2885
2886         if (pcnt) {
2887                 if (trans_oob(state->total_param, pdisp, pcnt)
2888                     || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
2889                         goto bad_param;
2890                 }
2891                 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
2892         }
2893
2894         if (dcnt) {
2895                 if (trans_oob(state->total_data, ddisp, dcnt)
2896                     || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
2897                         goto bad_param;
2898                 }
2899                 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
2900         }
2901
2902         if ((state->received_param < state->total_param) ||
2903             (state->received_data < state->total_data)) {
2904                 END_PROFILE(SMBnttranss);
2905                 return;
2906         }
2907
2908         handle_nttrans(conn, state, req);
2909
2910         DLIST_REMOVE(conn->pending_trans, state);
2911         SAFE_FREE(state->data);
2912         SAFE_FREE(state->param);
2913         TALLOC_FREE(state);
2914         END_PROFILE(SMBnttranss);
2915         return;
2916
2917   bad_param:
2918
2919         DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
2920         DLIST_REMOVE(conn->pending_trans, state);
2921         SAFE_FREE(state->data);
2922         SAFE_FREE(state->param);
2923         TALLOC_FREE(state);
2924         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2925         END_PROFILE(SMBnttranss);
2926         return;
2927 }