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 #include "../librpc/gen_ndr/ndr_security.h"
  24
  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         struct smbd_server_connection *sconn = req->sconn;
  62         int max_send = sconn->smb1.sessions.max_send;
  63
  64         /*
  65          * If there genuinely are no parameters or data to send just send
  66          * the empty packet.
  67          */
  68
  69         if(params_to_send == 0 && data_to_send == 0) {
  70                 reply_outbuf(req, 18, 0);
  71                 if (NT_STATUS_V(nt_error)) {
  72                         error_packet_set((char *)req->outbuf,
  73                                          0, 0, nt_error,
  74                                          __LINE__,__FILE__);
  75                 }
  76                 show_msg((char *)req->outbuf);
  77                 if (!srv_send_smb(smbd_server_fd(),
  78                                 (char *)req->outbuf,
  79                                 true, req->seqnum+1,
  80                                 IS_CONN_ENCRYPTED(conn),
  81                                 &req->pcd)) {
  82                         exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
  83                 }
  84                 TALLOC_FREE(req->outbuf);
  85                 return;
  86         }
  87
  88         /*
  89          * When sending params and data ensure that both are nicely aligned.
  90          * Only do this alignment when there is also data to send - else
  91          * can cause NT redirector problems.
  92          */
  93
  94         if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
  95                 data_alignment_offset = 4 - (params_to_send % 4);
  96         }
  97
  98         /*
  99          * Space is bufsize minus Netbios over TCP header minus SMB header.
 100          * The alignment_offset is to align the param bytes on a four byte
 101          * boundary (2 bytes for data len, one byte pad).
 102          * NT needs this to work correctly.
 103          */
 104
 105         useable_space = max_send - (smb_size
 106                                     + 2 * 18 /* wct */
 107                                     + alignment_offset
 108                                     + data_alignment_offset);
 109
 110         if (useable_space < 0) {
 111                 char *msg = talloc_asprintf(
 112                         talloc_tos(),
 113                         "send_nt_replies failed sanity useable_space = %d!!!",
 114                         useable_space);
 115                 DEBUG(0, ("%s\n", msg));
 116                 exit_server_cleanly(msg);
 117         }
 118
 119         while (params_to_send || data_to_send) {
 120
 121                 /*
 122                  * Calculate whether we will totally or partially fill this packet.
 123                  */
 124
 125                 total_sent_thistime = params_to_send + data_to_send;
 126
 127                 /*
 128                  * We can never send more than useable_space.
 129                  */
 130
 131                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
 132
 133                 reply_outbuf(req, 18,
 134                              total_sent_thistime + alignment_offset
 135                              + data_alignment_offset);
 136
 137                 /*
 138                  * We might have had SMBnttranss in req->inbuf, fix that.
 139                  */
 140                 SCVAL(req->outbuf, smb_com, SMBnttrans);
 141
 142                 /*
 143                  * Set total params and data to be sent.
 144                  */
 145
 146                 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
 147                 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
 148
 149                 /*
 150                  * Calculate how many parameters and data we can fit into
 151                  * this packet. Parameters get precedence.
 152                  */
 153
 154                 params_sent_thistime = MIN(params_to_send,useable_space);
 155                 data_sent_thistime = useable_space - params_sent_thistime;
 156                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
 157
 158                 SIVAL(req->outbuf, smb_ntr_ParameterCount,
 159                       params_sent_thistime);
 160
 161                 if(params_sent_thistime == 0) {
 162                         SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
 163                         SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
 164                 } else {
 165                         /*
 166                          * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
 167                          * parameter bytes, however the first 4 bytes of outbuf are
 168                          * the Netbios over TCP header. Thus use smb_base() to subtract
 169                          * them from the calculation.
 170                          */
 171
 172                         SIVAL(req->outbuf,smb_ntr_ParameterOffset,
 173                               ((smb_buf(req->outbuf)+alignment_offset)
 174                                - smb_base(req->outbuf)));
 175                         /*
 176                          * Absolute displacement of param bytes sent in this packet.
 177                          */
 178
 179                         SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
 180                               pp - params);
 181                 }
 182
 183                 /*
 184                  * Deal with the data portion.
 185                  */
 186
 187                 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
 188
 189                 if(data_sent_thistime == 0) {
 190                         SIVAL(req->outbuf,smb_ntr_DataOffset,0);
 191                         SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
 192                 } else {
 193                         /*
 194                          * The offset of the data bytes is the offset of the
 195                          * parameter bytes plus the number of parameters being sent this time.
 196                          */
 197
 198                         SIVAL(req->outbuf, smb_ntr_DataOffset,
 199                               ((smb_buf(req->outbuf)+alignment_offset) -
 200                                smb_base(req->outbuf))
 201                               + params_sent_thistime + data_alignment_offset);
 202                         SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
 203                 }
 204
 205                 /*
 206                  * Copy the param bytes into the packet.
 207                  */
 208
 209                 if(params_sent_thistime) {
 210                         if (alignment_offset != 0) {
 211                                 memset(smb_buf(req->outbuf), 0,
 212                                        alignment_offset);
 213                         }
 214                         memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
 215                                params_sent_thistime);
 216                 }
 217
 218                 /*
 219                  * Copy in the data bytes
 220                  */
 221
 222                 if(data_sent_thistime) {
 223                         if (data_alignment_offset != 0) {
 224                                 memset((smb_buf(req->outbuf)+alignment_offset+
 225                                         params_sent_thistime), 0,
 226                                        data_alignment_offset);
 227                         }
 228                         memcpy(smb_buf(req->outbuf)+alignment_offset
 229                                +params_sent_thistime+data_alignment_offset,
 230                                pd,data_sent_thistime);
 231                 }
 232
 233                 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
 234                         params_sent_thistime, data_sent_thistime, useable_space));
 235                 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
 236                         params_to_send, data_to_send, paramsize, datasize));
 237
 238                 if (NT_STATUS_V(nt_error)) {
 239                         error_packet_set((char *)req->outbuf,
 240                                          0, 0, nt_error,
 241                                          __LINE__,__FILE__);
 242                 }
 243
 244                 /* Send the packet */
 245                 show_msg((char *)req->outbuf);
 246                 if (!srv_send_smb(smbd_server_fd(),
 247                                 (char *)req->outbuf,
 248                                 true, req->seqnum+1,
 249                                 IS_CONN_ENCRYPTED(conn),
 250                                 &req->pcd)) {
 251                         exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
 252                 }
 253
 254                 TALLOC_FREE(req->outbuf);
 255
 256                 pp += params_sent_thistime;
 257                 pd += data_sent_thistime;
 258
 259                 params_to_send -= params_sent_thistime;
 260                 data_to_send -= data_sent_thistime;
 261
 262                 /*
 263                  * Sanity check
 264                  */
 265
 266                 if(params_to_send < 0 || data_to_send < 0) {
 267                         DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
 268                                 params_to_send, data_to_send));
 269                         exit_server_cleanly("send_nt_replies: internal error");
 270                 }
 271         }
 272 }
 273
 274 /****************************************************************************
 275  Reply to an NT create and X call on a pipe
 276 ****************************************************************************/
 277
 278 static void nt_open_pipe(char *fname, connection_struct *conn,
 279                          struct smb_request *req, int *ppnum)
 280 {
 281         files_struct *fsp;
 282         NTSTATUS status;
 283
 284         DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
 285
 286         /* Strip \\ off the name. */
 287         fname++;
 288
 289         status = open_np_file(req, fname, &fsp);
 290         if (!NT_STATUS_IS_OK(status)) {
 291                 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
 292                         reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
 293                                         ERRDOS, ERRbadpipe);
 294                         return;
 295                 }
 296                 reply_nterror(req, status);
 297                 return;
 298         }
 299
 300         *ppnum = fsp->fnum;
 301         return;
 302 }
 303
 304 /****************************************************************************
 305  Reply to an NT create and X call for pipes.
 306 ****************************************************************************/
 307
 308 static void do_ntcreate_pipe_open(connection_struct *conn,
 309                                   struct smb_request *req)
 310 {
 311         char *fname = NULL;
 312         int pnum = -1;
 313         char *p = NULL;
 314         uint32 flags = IVAL(req->vwv+3, 1);
 315         TALLOC_CTX *ctx = talloc_tos();
 316
 317         srvstr_pull_req_talloc(ctx, req, &fname, req->buf, STR_TERMINATE);
 318
 319         if (!fname) {
 320                 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
 321                                 ERRDOS, ERRbadpipe);
 322                 return;
 323         }
 324         nt_open_pipe(fname, conn, req, &pnum);
 325
 326         if (req->outbuf) {
 327                 /* error reply */
 328                 return;
 329         }
 330
 331         /*
 332          * Deal with pipe return.
 333          */
 334
 335         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 336                 /* This is very strange. We
 337                  * return 50 words, but only set
 338                  * the wcnt to 42 ? It's definately
 339                  * what happens on the wire....
 340                  */
 341                 reply_outbuf(req, 50, 0);
 342                 SCVAL(req->outbuf,smb_wct,42);
 343         } else {
 344                 reply_outbuf(req, 34, 0);
 345         }
 346
 347         p = (char *)req->outbuf + smb_vwv2;
 348         p++;
 349         SSVAL(p,0,pnum);
 350         p += 2;
 351         SIVAL(p,0,FILE_WAS_OPENED);
 352         p += 4;
 353         p += 32;
 354         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 355         p += 20;
 356         /* File type. */
 357         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 358         /* Device state. */
 359         SSVAL(p,2, 0x5FF); /* ? */
 360         p += 4;
 361
 362         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 363                 p += 25;
 364                 SIVAL(p,0,FILE_GENERIC_ALL);
 365                 /*
 366                  * For pipes W2K3 seems to return
 367                  * 0x12019B next.
 368                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
 369                  */
 370                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
 371         }
 372
 373         DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
 374
 375         chain_reply(req);
 376 }
 377
 378 struct case_semantics_state {
 379         connection_struct *conn;
 380         bool case_sensitive;
 381         bool case_preserve;
 382         bool short_case_preserve;
 383 };
 384
 385 /****************************************************************************
 386  Restore case semantics.
 387 ****************************************************************************/
 388
 389 static int restore_case_semantics(struct case_semantics_state *state)
 390 {
 391         state->conn->case_sensitive = state->case_sensitive;
 392         state->conn->case_preserve = state->case_preserve;
 393         state->conn->short_case_preserve = state->short_case_preserve;
 394         return 0;
 395 }
 396
 397 /****************************************************************************
 398  Save case semantics.
 399 ****************************************************************************/
 400
 401 static struct case_semantics_state *set_posix_case_semantics(TALLOC_CTX *mem_ctx,
 402                                                 connection_struct *conn)
 403 {
 404         struct case_semantics_state *result;
 405
 406         if (!(result = talloc(mem_ctx, struct case_semantics_state))) {
 407                 return NULL;
 408         }
 409
 410         result->conn = conn;
 411         result->case_sensitive = conn->case_sensitive;
 412         result->case_preserve = conn->case_preserve;
 413         result->short_case_preserve = conn->short_case_preserve;
 414
 415         /* Set to POSIX. */
 416         conn->case_sensitive = True;
 417         conn->case_preserve = True;
 418         conn->short_case_preserve = True;
 419
 420         talloc_set_destructor(result, restore_case_semantics);
 421
 422         return result;
 423 }
 424
 425 /****************************************************************************
 426  Reply to an NT create and X call.
 427 ****************************************************************************/
 428
 429 void reply_ntcreate_and_X(struct smb_request *req)
 430 {
 431         connection_struct *conn = req->conn;
 432         struct smb_filename *smb_fname = NULL;
 433         char *fname = NULL;
 434         uint32 flags;
 435         uint32 access_mask;
 436         uint32 file_attributes;
 437         uint32 share_access;
 438         uint32 create_disposition;
 439         uint32 create_options;
 440         uint16 root_dir_fid;
 441         uint64_t allocation_size;
 442         /* Breakout the oplock request bits so we can set the
 443            reply bits separately. */
 444         uint32 fattr=0;
 445         SMB_OFF_T file_len = 0;
 446         int info = 0;
 447         files_struct *fsp = NULL;
 448         char *p = NULL;
 449         struct timespec create_timespec;
 450         struct timespec c_timespec;
 451         struct timespec a_timespec;
 452         struct timespec m_timespec;
 453         struct timespec write_time_ts;
 454         NTSTATUS status;
 455         int oplock_request;
 456         uint8_t oplock_granted = NO_OPLOCK_RETURN;
 457         struct case_semantics_state *case_state = NULL;
 458         TALLOC_CTX *ctx = talloc_tos();
 459
 460         START_PROFILE(SMBntcreateX);
 461
 462         if (req->wct < 24) {
 463                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 464                 goto out;
 465         }
 466
 467         flags = IVAL(req->vwv+3, 1);
 468         access_mask = IVAL(req->vwv+7, 1);
 469         file_attributes = IVAL(req->vwv+13, 1);
 470         share_access = IVAL(req->vwv+15, 1);
 471         create_disposition = IVAL(req->vwv+17, 1);
 472         create_options = IVAL(req->vwv+19, 1);
 473         root_dir_fid = (uint16)IVAL(req->vwv+5, 1);
 474
 475         allocation_size = (uint64_t)IVAL(req->vwv+9, 1);
 476 #ifdef LARGE_SMB_OFF_T
 477         allocation_size |= (((uint64_t)IVAL(req->vwv+11, 1)) << 32);
 478 #endif
 479
 480         srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
 481                             STR_TERMINATE, &status);
 482
 483         if (!NT_STATUS_IS_OK(status)) {
 484                 reply_nterror(req, status);
 485                 goto out;
 486         }
 487
 488         DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
 489                   "file_attributes = 0x%x, share_access = 0x%x, "
 490                   "create_disposition = 0x%x create_options = 0x%x "
 491                   "root_dir_fid = 0x%x, fname = %s\n",
 492                         (unsigned int)flags,
 493                         (unsigned int)access_mask,
 494                         (unsigned int)file_attributes,
 495                         (unsigned int)share_access,
 496                         (unsigned int)create_disposition,
 497                         (unsigned int)create_options,
 498                         (unsigned int)root_dir_fid,
 499                         fname));
 500
 501         /*
 502          * we need to remove ignored bits when they come directly from the client
 503          * because we reuse some of them for internal stuff
 504          */
 505         create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
 506
 507         /*
 508          * If it's an IPC, use the pipe handler.
 509          */
 510
 511         if (IS_IPC(conn)) {
 512                 if (lp_nt_pipe_support()) {
 513                         do_ntcreate_pipe_open(conn, req);
 514                         goto out;
 515                 }
 516                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
 517                 goto out;
 518         }
 519
 520         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 521         if (oplock_request) {
 522                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
 523                         ? BATCH_OPLOCK : 0;
 524         }
 525
 526         if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
 527                 case_state = set_posix_case_semantics(ctx, conn);
 528                 if (!case_state) {
 529                         reply_nterror(req, NT_STATUS_NO_MEMORY);
 530                         goto out;
 531                 }
 532         }
 533
 534         status = filename_convert(ctx,
 535                                 conn,
 536                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
 537                                 fname,
 538                                 0,
 539                                 NULL,
 540                                 &smb_fname);
 541
 542         TALLOC_FREE(case_state);
 543
 544         if (!NT_STATUS_IS_OK(status)) {
 545                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
 546                         reply_botherror(req,
 547                                 NT_STATUS_PATH_NOT_COVERED,
 548                                 ERRSRV, ERRbadpath);
 549                         goto out;
 550                 }
 551                 reply_nterror(req, status);
 552                 goto out;
 553         }
 554
 555         /*
 556          * Bug #6898 - clients using Windows opens should
 557          * never be able to set this attribute into the
 558          * VFS.
 559          */
 560         file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
 561
 562         status = SMB_VFS_CREATE_FILE(
 563                 conn,                                   /* conn */
 564                 req,                                    /* req */
 565                 root_dir_fid,                           /* root_dir_fid */
 566                 smb_fname,                              /* fname */
 567                 access_mask,                            /* access_mask */
 568                 share_access,                           /* share_access */
 569                 create_disposition,                     /* create_disposition*/
 570                 create_options,                         /* create_options */
 571                 file_attributes,                        /* file_attributes */
 572                 oplock_request,                         /* oplock_request */
 573                 allocation_size,                        /* allocation_size */
 574                 0,                                      /* private_flags */
 575                 NULL,                                   /* sd */
 576                 NULL,                                   /* ea_list */
 577                 &fsp,                                   /* result */
 578                 &info);                                 /* pinfo */
 579
 580         if (!NT_STATUS_IS_OK(status)) {
 581                 if (open_was_deferred(req->mid)) {
 582                         /* We have re-scheduled this call, no error. */
 583                         goto out;
 584                 }
 585                 reply_openerror(req, status);
 586                 goto out;
 587         }
 588
 589         /* Ensure we're pointing at the correct stat struct. */
 590         TALLOC_FREE(smb_fname);
 591         smb_fname = fsp->fsp_name;
 592
 593         /*
 594          * If the caller set the extended oplock request bit
 595          * and we granted one (by whatever means) - set the
 596          * correct bit for extended oplock reply.
 597          */
 598
 599         if (oplock_request &&
 600             (lp_fake_oplocks(SNUM(conn))
 601              || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
 602
 603                 /*
 604                  * Exclusive oplock granted
 605                  */
 606
 607                 if (flags & REQUEST_BATCH_OPLOCK) {
 608                         oplock_granted = BATCH_OPLOCK_RETURN;
 609                 } else {
 610                         oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
 611                 }
 612         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
 613                 oplock_granted = LEVEL_II_OPLOCK_RETURN;
 614         } else {
 615                 oplock_granted = NO_OPLOCK_RETURN;
 616         }
 617
 618         file_len = smb_fname->st.st_ex_size;
 619
 620         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 621                 /* This is very strange. We
 622                  * return 50 words, but only set
 623                  * the wcnt to 42 ? It's definately
 624                  * what happens on the wire....
 625                  */
 626                 reply_outbuf(req, 50, 0);
 627                 SCVAL(req->outbuf,smb_wct,42);
 628         } else {
 629                 reply_outbuf(req, 34, 0);
 630         }
 631
 632         p = (char *)req->outbuf + smb_vwv2;
 633
 634         SCVAL(p, 0, oplock_granted);
 635
 636         p++;
 637         SSVAL(p,0,fsp->fnum);
 638         p += 2;
 639         if ((create_disposition == FILE_SUPERSEDE)
 640             && (info == FILE_WAS_OVERWRITTEN)) {
 641                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
 642         } else {
 643                 SIVAL(p,0,info);
 644         }
 645         p += 4;
 646
 647         fattr = dos_mode(conn, smb_fname);
 648         if (fattr == 0) {
 649                 fattr = FILE_ATTRIBUTE_NORMAL;
 650         }
 651
 652         /* Deal with other possible opens having a modified
 653            write time. JRA. */
 654         ZERO_STRUCT(write_time_ts);
 655         get_file_infos(fsp->file_id, NULL, &write_time_ts);
 656         if (!null_timespec(write_time_ts)) {
 657                 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
 658         }
 659
 660         /* Create time. */
 661         create_timespec = get_create_timespec(conn, fsp, smb_fname);
 662         a_timespec = smb_fname->st.st_ex_atime;
 663         m_timespec = smb_fname->st.st_ex_mtime;
 664         c_timespec = get_change_timespec(conn, fsp, smb_fname);
 665
 666         if (lp_dos_filetime_resolution(SNUM(conn))) {
 667                 dos_filetime_timespec(&create_timespec);
 668                 dos_filetime_timespec(&a_timespec);
 669                 dos_filetime_timespec(&m_timespec);
 670                 dos_filetime_timespec(&c_timespec);
 671         }
 672
 673         put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
 674         p += 8;
 675         put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
 676         p += 8;
 677         put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
 678         p += 8;
 679         put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
 680         p += 8;
 681         SIVAL(p,0,fattr); /* File Attributes. */
 682         p += 4;
 683         SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&smb_fname->st));
 684         p += 8;
 685         SOFF_T(p,0,file_len);
 686         p += 8;
 687         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 688                 uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
 689                 size_t num_names = 0;
 690                 unsigned int num_streams;
 691                 struct stream_struct *streams = NULL;
 692
 693                 /* Do we have any EA's ? */
 694                 status = get_ea_names_from_file(ctx, conn, fsp,
 695                                 smb_fname->base_name, NULL, &num_names);
 696                 if (NT_STATUS_IS_OK(status) && num_names) {
 697                         file_status &= ~NO_EAS;
 698                 }
 699                 status = SMB_VFS_STREAMINFO(conn, NULL, smb_fname->base_name, ctx,
 700                         &num_streams, &streams);
 701                 /* There is always one stream, ::$DATA. */
 702                 if (NT_STATUS_IS_OK(status) && num_streams > 1) {
 703                         file_status &= ~NO_SUBSTREAMS;
 704                 }
 705                 TALLOC_FREE(streams);
 706                 SSVAL(p,2,file_status);
 707         }
 708         p += 4;
 709         SCVAL(p,0,fsp->is_directory ? 1 : 0);
 710
 711         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 712                 uint32 perms = 0;
 713                 p += 25;
 714                 if (fsp->is_directory ||
 715                     can_write_to_file(conn, smb_fname)) {
 716                         perms = FILE_GENERIC_ALL;
 717                 } else {
 718                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
 719                 }
 720                 SIVAL(p,0,perms);
 721         }
 722
 723         DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
 724                 fsp->fnum, smb_fname_str_dbg(smb_fname)));
 725
 726         chain_reply(req);
 727  out:
 728         END_PROFILE(SMBntcreateX);
 729         return;
 730 }
 731
 732 /****************************************************************************
 733  Reply to a NT_TRANSACT_CREATE call to open a pipe.
 734 ****************************************************************************/
 735
 736 static void do_nt_transact_create_pipe(connection_struct *conn,
 737                                        struct smb_request *req,
 738                                        uint16 **ppsetup, uint32 setup_count,
 739                                        char **ppparams, uint32 parameter_count,
 740                                        char **ppdata, uint32 data_count)
 741 {
 742         char *fname = NULL;
 743         char *params = *ppparams;
 744         int pnum = -1;
 745         char *p = NULL;
 746         NTSTATUS status;
 747         size_t param_len;
 748         uint32 flags;
 749         TALLOC_CTX *ctx = talloc_tos();
 750
 751         /*
 752          * Ensure minimum number of parameters sent.
 753          */
 754
 755         if(parameter_count < 54) {
 756                 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
 757                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 758                 return;
 759         }
 760
 761         flags = IVAL(params,0);
 762
 763         srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
 764                         parameter_count-53, STR_TERMINATE,
 765                         &status);
 766         if (!NT_STATUS_IS_OK(status)) {
 767                 reply_nterror(req, status);
 768                 return;
 769         }
 770
 771         nt_open_pipe(fname, conn, req, &pnum);
 772
 773         if (req->outbuf) {
 774                 /* Error return */
 775                 return;
 776         }
 777
 778         /* Realloc the size of parameters and data we will return */
 779         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 780                 /* Extended response is 32 more byyes. */
 781                 param_len = 101;
 782         } else {
 783                 param_len = 69;
 784         }
 785         params = nttrans_realloc(ppparams, param_len);
 786         if(params == NULL) {
 787                 reply_nterror(req, NT_STATUS_NO_MEMORY);
 788                 return;
 789         }
 790
 791         p = params;
 792         SCVAL(p,0,NO_OPLOCK_RETURN);
 793
 794         p += 2;
 795         SSVAL(p,0,pnum);
 796         p += 2;
 797         SIVAL(p,0,FILE_WAS_OPENED);
 798         p += 8;
 799
 800         p += 32;
 801         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 802         p += 20;
 803         /* File type. */
 804         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 805         /* Device state. */
 806         SSVAL(p,2, 0x5FF); /* ? */
 807         p += 4;
 808
 809         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 810                 p += 25;
 811                 SIVAL(p,0,FILE_GENERIC_ALL);
 812                 /*
 813                  * For pipes W2K3 seems to return
 814                  * 0x12019B next.
 815                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
 816                  */
 817                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
 818         }
 819
 820         DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
 821
 822         /* Send the required number of replies */
 823         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
 824
 825         return;
 826 }
 827
 828 /****************************************************************************
 829  Internal fn to set security descriptors.
 830 ****************************************************************************/
 831
 832 NTSTATUS set_sd(files_struct *fsp, uint8_t *data, uint32_t sd_len,
 833                        uint32_t security_info_sent)
 834 {
 835         struct security_descriptor *psd = NULL;
 836         NTSTATUS status;
 837
 838         if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
 839                 return NT_STATUS_OK;
 840         }
 841
 842         status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
 843
 844         if (!NT_STATUS_IS_OK(status)) {
 845                 return status;
 846         }
 847
 848         if (psd->owner_sid == NULL) {
 849                 security_info_sent &= ~SECINFO_OWNER;
 850         }
 851         if (psd->group_sid == NULL) {
 852                 security_info_sent &= ~SECINFO_GROUP;
 853         }
 854
 855         /* Convert all the generic bits. */
 856         security_acl_map_generic(psd->dacl, &file_generic_mapping);
 857         security_acl_map_generic(psd->sacl, &file_generic_mapping);
 858
 859         if (DEBUGLEVEL >= 10) {
 860                 DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp)));
 861                 NDR_PRINT_DEBUG(security_descriptor, psd);
 862         }
 863
 864         status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
 865
 866         TALLOC_FREE(psd);
 867
 868         return status;
 869 }
 870
 871 /****************************************************************************
 872  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
 873 ****************************************************************************/
 874
 875 struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
 876 {
 877         struct ea_list *ea_list_head = NULL;
 878         size_t offset = 0;
 879
 880         if (data_size < 4) {
 881                 return NULL;
 882         }
 883
 884         while (offset + 4 <= data_size) {
 885                 size_t next_offset = IVAL(pdata,offset);
 886                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
 887
 888                 if (!eal) {
 889                         return NULL;
 890                 }
 891
 892                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
 893                 if (next_offset == 0) {
 894                         break;
 895                 }
 896                 offset += next_offset;
 897         }
 898
 899         return ea_list_head;
 900 }
 901
 902 /****************************************************************************
 903  Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
 904 ****************************************************************************/
 905
 906 static void call_nt_transact_create(connection_struct *conn,
 907                                     struct smb_request *req,
 908                                     uint16 **ppsetup, uint32 setup_count,
 909                                     char **ppparams, uint32 parameter_count,
 910                                     char **ppdata, uint32 data_count,
 911                                     uint32 max_data_count)
 912 {
 913         struct smb_filename *smb_fname = NULL;
 914         char *fname = NULL;
 915         char *params = *ppparams;
 916         char *data = *ppdata;
 917         /* Breakout the oplock request bits so we can set the reply bits separately. */
 918         uint32 fattr=0;
 919         SMB_OFF_T file_len = 0;
 920         int info = 0;
 921         files_struct *fsp = NULL;
 922         char *p = NULL;
 923         uint32 flags;
 924         uint32 access_mask;
 925         uint32 file_attributes;
 926         uint32 share_access;
 927         uint32 create_disposition;
 928         uint32 create_options;
 929         uint32 sd_len;
 930         struct security_descriptor *sd = NULL;
 931         uint32 ea_len;
 932         uint16 root_dir_fid;
 933         struct timespec create_timespec;
 934         struct timespec c_timespec;
 935         struct timespec a_timespec;
 936         struct timespec m_timespec;
 937         struct timespec write_time_ts;
 938         struct ea_list *ea_list = NULL;
 939         NTSTATUS status;
 940         size_t param_len;
 941         uint64_t allocation_size;
 942         int oplock_request;
 943         uint8_t oplock_granted;
 944         struct case_semantics_state *case_state = NULL;
 945         TALLOC_CTX *ctx = talloc_tos();
 946
 947         DEBUG(5,("call_nt_transact_create\n"));
 948
 949         /*
 950          * If it's an IPC, use the pipe handler.
 951          */
 952
 953         if (IS_IPC(conn)) {
 954                 if (lp_nt_pipe_support()) {
 955                         do_nt_transact_create_pipe(
 956                                 conn, req,
 957                                 ppsetup, setup_count,
 958                                 ppparams, parameter_count,
 959                                 ppdata, data_count);
 960                         goto out;
 961                 }
 962                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
 963                 goto out;
 964         }
 965
 966         /*
 967          * Ensure minimum number of parameters sent.
 968          */
 969
 970         if(parameter_count < 54) {
 971                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
 972                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 973                 goto out;
 974         }
 975
 976         flags = IVAL(params,0);
 977         access_mask = IVAL(params,8);
 978         file_attributes = IVAL(params,20);
 979         share_access = IVAL(params,24);
 980         create_disposition = IVAL(params,28);
 981         create_options = IVAL(params,32);
 982         sd_len = IVAL(params,36);
 983         ea_len = IVAL(params,40);
 984         root_dir_fid = (uint16)IVAL(params,4);
 985         allocation_size = (uint64_t)IVAL(params,12);
 986 #ifdef LARGE_SMB_OFF_T
 987         allocation_size |= (((uint64_t)IVAL(params,16)) << 32);
 988 #endif
 989
 990         /*
 991          * we need to remove ignored bits when they come directly from the client
 992          * because we reuse some of them for internal stuff
 993          */
 994         create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
 995
 996         /* Ensure the data_len is correct for the sd and ea values given. */
 997         if ((ea_len + sd_len > data_count)
 998             || (ea_len > data_count) || (sd_len > data_count)
 999             || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1000                 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
1001                            "%u, data_count = %u\n", (unsigned int)ea_len,
1002                            (unsigned int)sd_len, (unsigned int)data_count));
1003                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1004                 goto out;
1005         }
1006
1007         if (sd_len) {
1008                 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
1009                            sd_len));
1010
1011                 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
1012                                              &sd);
1013                 if (!NT_STATUS_IS_OK(status)) {
1014                         DEBUG(10, ("call_nt_transact_create: "
1015                                    "unmarshall_sec_desc failed: %s\n",
1016                                    nt_errstr(status)));
1017                         reply_nterror(req, status);
1018                         goto out;
1019                 }
1020         }
1021
1022         if (ea_len) {
1023                 if (!lp_ea_support(SNUM(conn))) {
1024                         DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
1025                                    "EA's not supported.\n",
1026                                    (unsigned int)ea_len));
1027                         reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1028                         goto out;
1029                 }
1030
1031                 if (ea_len < 10) {
1032                         DEBUG(10,("call_nt_transact_create - ea_len = %u - "
1033                                   "too small (should be more than 10)\n",
1034                                   (unsigned int)ea_len ));
1035                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1036                         goto out;
1037                 }
1038
1039                 /* We have already checked that ea_len <= data_count here. */
1040                 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
1041                                                ea_len);
1042                 if (ea_list == NULL) {
1043                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1044                         goto out;
1045                 }
1046         }
1047
1048         srvstr_get_path(ctx, params, req->flags2, &fname,
1049                         params+53, parameter_count-53,
1050                         STR_TERMINATE, &status);
1051         if (!NT_STATUS_IS_OK(status)) {
1052                 reply_nterror(req, status);
1053                 goto out;
1054         }
1055
1056         if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
1057                 case_state = set_posix_case_semantics(ctx, conn);
1058                 if (!case_state) {
1059                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1060                         goto out;
1061                 }
1062         }
1063
1064         status = filename_convert(ctx,
1065                                 conn,
1066                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
1067                                 fname,
1068                                 0,
1069                                 NULL,
1070                                 &smb_fname);
1071
1072         TALLOC_FREE(case_state);
1073
1074         if (!NT_STATUS_IS_OK(status)) {
1075                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1076                         reply_botherror(req,
1077                                 NT_STATUS_PATH_NOT_COVERED,
1078                                 ERRSRV, ERRbadpath);
1079                         goto out;
1080                 }
1081                 reply_nterror(req, status);
1082                 goto out;
1083         }
1084
1085         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1086         if (oplock_request) {
1087                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
1088                         ? BATCH_OPLOCK : 0;
1089         }
1090
1091         /*
1092          * Bug #6898 - clients using Windows opens should
1093          * never be able to set this attribute into the
1094          * VFS.
1095          */
1096         file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
1097
1098         status = SMB_VFS_CREATE_FILE(
1099                 conn,                                   /* conn */
1100                 req,                                    /* req */
1101                 root_dir_fid,                           /* root_dir_fid */
1102                 smb_fname,                              /* fname */
1103                 access_mask,                            /* access_mask */
1104                 share_access,                           /* share_access */
1105                 create_disposition,                     /* create_disposition*/
1106                 create_options,                         /* create_options */
1107                 file_attributes,                        /* file_attributes */
1108                 oplock_request,                         /* oplock_request */
1109                 allocation_size,                        /* allocation_size */
1110                 0,                                      /* private_flags */
1111                 sd,                                     /* sd */
1112                 ea_list,                                /* ea_list */
1113                 &fsp,                                   /* result */
1114                 &info);                                 /* pinfo */
1115
1116         if(!NT_STATUS_IS_OK(status)) {
1117                 if (open_was_deferred(req->mid)) {
1118                         /* We have re-scheduled this call, no error. */
1119                         return;
1120                 }
1121                 reply_openerror(req, status);
1122                 goto out;
1123         }
1124
1125         /* Ensure we're pointing at the correct stat struct. */
1126         TALLOC_FREE(smb_fname);
1127         smb_fname = fsp->fsp_name;
1128
1129         /*
1130          * If the caller set the extended oplock request bit
1131          * and we granted one (by whatever means) - set the
1132          * correct bit for extended oplock reply.
1133          */
1134
1135         if (oplock_request &&
1136             (lp_fake_oplocks(SNUM(conn))
1137              || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
1138
1139                 /*
1140                  * Exclusive oplock granted
1141                  */
1142
1143                 if (flags & REQUEST_BATCH_OPLOCK) {
1144                         oplock_granted = BATCH_OPLOCK_RETURN;
1145                 } else {
1146                         oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1147                 }
1148         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1149                 oplock_granted = LEVEL_II_OPLOCK_RETURN;
1150         } else {
1151                 oplock_granted = NO_OPLOCK_RETURN;
1152         }
1153
1154         file_len = smb_fname->st.st_ex_size;
1155
1156         /* Realloc the size of parameters and data we will return */
1157         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1158                 /* Extended response is 32 more byyes. */
1159                 param_len = 101;
1160         } else {
1161                 param_len = 69;
1162         }
1163         params = nttrans_realloc(ppparams, param_len);
1164         if(params == NULL) {
1165                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1166                 goto out;
1167         }
1168
1169         p = params;
1170         SCVAL(p, 0, oplock_granted);
1171
1172         p += 2;
1173         SSVAL(p,0,fsp->fnum);
1174         p += 2;
1175         if ((create_disposition == FILE_SUPERSEDE)
1176             && (info == FILE_WAS_OVERWRITTEN)) {
1177                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1178         } else {
1179                 SIVAL(p,0,info);
1180         }
1181         p += 8;
1182
1183         fattr = dos_mode(conn, smb_fname);
1184         if (fattr == 0) {
1185                 fattr = FILE_ATTRIBUTE_NORMAL;
1186         }
1187
1188         /* Deal with other possible opens having a modified
1189            write time. JRA. */
1190         ZERO_STRUCT(write_time_ts);
1191         get_file_infos(fsp->file_id, NULL, &write_time_ts);
1192         if (!null_timespec(write_time_ts)) {
1193                 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
1194         }
1195
1196         /* Create time. */
1197         create_timespec = get_create_timespec(conn, fsp, smb_fname);
1198         a_timespec = smb_fname->st.st_ex_atime;
1199         m_timespec = smb_fname->st.st_ex_mtime;
1200         c_timespec = get_change_timespec(conn, fsp, smb_fname);
1201
1202         if (lp_dos_filetime_resolution(SNUM(conn))) {
1203                 dos_filetime_timespec(&create_timespec);
1204                 dos_filetime_timespec(&a_timespec);
1205                 dos_filetime_timespec(&m_timespec);
1206                 dos_filetime_timespec(&c_timespec);
1207         }
1208
1209         put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
1210         p += 8;
1211         put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
1212         p += 8;
1213         put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
1214         p += 8;
1215         put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
1216         p += 8;
1217         SIVAL(p,0,fattr); /* File Attributes. */
1218         p += 4;
1219         SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn, fsp, &smb_fname->st));
1220         p += 8;
1221         SOFF_T(p,0,file_len);
1222         p += 8;
1223         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1224                 uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
1225                 size_t num_names = 0;
1226                 unsigned int num_streams;
1227                 struct stream_struct *streams = NULL;
1228
1229                 /* Do we have any EA's ? */
1230                 status = get_ea_names_from_file(ctx, conn, fsp,
1231                                 smb_fname->base_name, NULL, &num_names);
1232                 if (NT_STATUS_IS_OK(status) && num_names) {
1233                         file_status &= ~NO_EAS;
1234                 }
1235                 status = SMB_VFS_STREAMINFO(conn, NULL, smb_fname->base_name, ctx,
1236                         &num_streams, &streams);
1237                 /* There is always one stream, ::$DATA. */
1238                 if (NT_STATUS_IS_OK(status) && num_streams > 1) {
1239                         file_status &= ~NO_SUBSTREAMS;
1240                 }
1241                 TALLOC_FREE(streams);
1242                 SSVAL(p,2,file_status);
1243         }
1244         p += 4;
1245         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1246
1247         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1248                 uint32 perms = 0;
1249                 p += 25;
1250                 if (fsp->is_directory ||
1251                     can_write_to_file(conn, smb_fname)) {
1252                         perms = FILE_GENERIC_ALL;
1253                 } else {
1254                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
1255                 }
1256                 SIVAL(p,0,perms);
1257         }
1258
1259         DEBUG(5,("call_nt_transact_create: open name = %s\n",
1260                  smb_fname_str_dbg(smb_fname)));
1261
1262         /* Send the required number of replies */
1263         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1264  out:
1265         return;
1266 }
1267
1268 /****************************************************************************
1269  Reply to a NT CANCEL request.
1270  conn POINTER CAN BE NULL HERE !
1271 ****************************************************************************/
1272
1273 void reply_ntcancel(struct smb_request *req)
1274 {
1275         /*
1276          * Go through and cancel any pending change notifies.
1277          */
1278
1279         START_PROFILE(SMBntcancel);
1280         srv_cancel_sign_response(req->sconn);
1281         remove_pending_change_notify_requests_by_mid(req->mid);
1282         remove_pending_lock_requests_by_mid_smb1(req->mid);
1283
1284         DEBUG(3,("reply_ntcancel: cancel called on mid = %llu.\n",
1285                 (unsigned long long)req->mid));
1286
1287         END_PROFILE(SMBntcancel);
1288         return;
1289 }
1290
1291 /****************************************************************************
1292  Copy a file.
1293 ****************************************************************************/
1294
1295 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1296                                 connection_struct *conn,
1297                                 struct smb_request *req,
1298                                 struct smb_filename *smb_fname_src,
1299                                 struct smb_filename *smb_fname_dst,
1300                                 uint32 attrs)
1301 {
1302         files_struct *fsp1,*fsp2;
1303         uint32 fattr;
1304         int info;
1305         SMB_OFF_T ret=-1;
1306         NTSTATUS status = NT_STATUS_OK;
1307         char *parent;
1308
1309         if (!CAN_WRITE(conn)) {
1310                 status = NT_STATUS_MEDIA_WRITE_PROTECTED;
1311                 goto out;
1312         }
1313
1314         /* Source must already exist. */
1315         if (!VALID_STAT(smb_fname_src->st)) {
1316                 status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
1317                 goto out;
1318         }
1319
1320         /* Ensure attributes match. */
1321         fattr = dos_mode(conn, smb_fname_src);
1322         if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1323                 status = NT_STATUS_NO_SUCH_FILE;
1324                 goto out;
1325         }
1326
1327         /* Disallow if dst file already exists. */
1328         if (VALID_STAT(smb_fname_dst->st)) {
1329                 status = NT_STATUS_OBJECT_NAME_COLLISION;
1330                 goto out;
1331         }
1332
1333         /* No links from a directory. */
1334         if (S_ISDIR(smb_fname_src->st.st_ex_mode)) {
1335                 status = NT_STATUS_FILE_IS_A_DIRECTORY;
1336                 goto out;
1337         }
1338
1339         DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1340                   smb_fname_str_dbg(smb_fname_src),
1341                   smb_fname_str_dbg(smb_fname_dst)));
1342
1343         status = SMB_VFS_CREATE_FILE(
1344                 conn,                                   /* conn */
1345                 req,                                    /* req */
1346                 0,                                      /* root_dir_fid */
1347                 smb_fname_src,                          /* fname */
1348                 FILE_READ_DATA,                         /* access_mask */
1349                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
1350                     FILE_SHARE_DELETE),
1351                 FILE_OPEN,                              /* create_disposition*/
1352                 0,                                      /* create_options */
1353                 FILE_ATTRIBUTE_NORMAL,                  /* file_attributes */
1354                 NO_OPLOCK,                              /* oplock_request */
1355                 0,                                      /* allocation_size */
1356                 0,                                      /* private_flags */
1357                 NULL,                                   /* sd */
1358                 NULL,                                   /* ea_list */
1359                 &fsp1,                                  /* result */
1360                 &info);                                 /* pinfo */
1361
1362         if (!NT_STATUS_IS_OK(status)) {
1363                 goto out;
1364         }
1365
1366         status = SMB_VFS_CREATE_FILE(
1367                 conn,                                   /* conn */
1368                 req,                                    /* req */
1369                 0,                                      /* root_dir_fid */
1370                 smb_fname_dst,                          /* fname */
1371                 FILE_WRITE_DATA,                        /* access_mask */
1372                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
1373                     FILE_SHARE_DELETE),
1374                 FILE_CREATE,                            /* create_disposition*/
1375                 0,                                      /* create_options */
1376                 fattr,                                  /* file_attributes */
1377                 NO_OPLOCK,                              /* oplock_request */
1378                 0,                                      /* allocation_size */
1379                 0,                                      /* private_flags */
1380                 NULL,                                   /* sd */
1381                 NULL,                                   /* ea_list */
1382                 &fsp2,                                  /* result */
1383                 &info);                                 /* pinfo */
1384
1385         if (!NT_STATUS_IS_OK(status)) {
1386                 close_file(NULL, fsp1, ERROR_CLOSE);
1387                 goto out;
1388         }
1389
1390         if (smb_fname_src->st.st_ex_size) {
1391                 ret = vfs_transfer_file(fsp1, fsp2, smb_fname_src->st.st_ex_size);
1392         }
1393
1394         /*
1395          * As we are opening fsp1 read-only we only expect
1396          * an error on close on fsp2 if we are out of space.
1397          * Thus we don't look at the error return from the
1398          * close of fsp1.
1399          */
1400         close_file(NULL, fsp1, NORMAL_CLOSE);
1401
1402         /* Ensure the modtime is set correctly on the destination file. */
1403         set_close_write_time(fsp2, smb_fname_src->st.st_ex_mtime);
1404
1405         status = close_file(NULL, fsp2, NORMAL_CLOSE);
1406
1407         /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1408            creates the file. This isn't the correct thing to do in the copy
1409            case. JRA */
1410         if (!parent_dirname(talloc_tos(), smb_fname_dst->base_name, &parent,
1411                             NULL)) {
1412                 status = NT_STATUS_NO_MEMORY;
1413                 goto out;
1414         }
1415         file_set_dosmode(conn, smb_fname_dst, fattr, parent, false);
1416         TALLOC_FREE(parent);
1417
1418         if (ret < (SMB_OFF_T)smb_fname_src->st.st_ex_size) {
1419                 status = NT_STATUS_DISK_FULL;
1420                 goto out;
1421         }
1422  out:
1423         if (!NT_STATUS_IS_OK(status)) {
1424                 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1425                         nt_errstr(status), smb_fname_str_dbg(smb_fname_src),
1426                         smb_fname_str_dbg(smb_fname_dst)));
1427         }
1428
1429         return status;
1430 }
1431
1432 /****************************************************************************
1433  Reply to a NT rename request.
1434 ****************************************************************************/
1435
1436 void reply_ntrename(struct smb_request *req)
1437 {
1438         connection_struct *conn = req->conn;
1439         struct smb_filename *smb_fname_old = NULL;
1440         struct smb_filename *smb_fname_new = NULL;
1441         char *oldname = NULL;
1442         char *newname = NULL;
1443         const char *p;
1444         NTSTATUS status;
1445         bool src_has_wcard = False;
1446         bool dest_has_wcard = False;
1447         uint32 attrs;
1448         uint32_t ucf_flags_src = 0;
1449         uint32_t ucf_flags_dst = 0;
1450         uint16 rename_type;
1451         TALLOC_CTX *ctx = talloc_tos();
1452
1453         START_PROFILE(SMBntrename);
1454
1455         if (req->wct < 4) {
1456                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1457                 goto out;
1458         }
1459
1460         attrs = SVAL(req->vwv+0, 0);
1461         rename_type = SVAL(req->vwv+1, 0);
1462
1463         p = (const char *)req->buf + 1;
1464         p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1465                                        &status, &src_has_wcard);
1466         if (!NT_STATUS_IS_OK(status)) {
1467                 reply_nterror(req, status);
1468                 goto out;
1469         }
1470
1471         if (ms_has_wild(oldname)) {
1472                 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1473                 goto out;
1474         }
1475
1476         p++;
1477         p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1478                                        &status, &dest_has_wcard);
1479         if (!NT_STATUS_IS_OK(status)) {
1480                 reply_nterror(req, status);
1481                 goto out;
1482         }
1483
1484         /* The newname must begin with a ':' if the oldname contains a ':'. */
1485         if (strchr_m(oldname, ':') && (newname[0] != ':')) {
1486                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1487                 goto out;
1488         }
1489
1490         /*
1491          * If this is a rename operation, allow wildcards and save the
1492          * destination's last component.
1493          */
1494         if (rename_type == RENAME_FLAG_RENAME) {
1495                 ucf_flags_src = UCF_COND_ALLOW_WCARD_LCOMP;
1496                 ucf_flags_dst = UCF_COND_ALLOW_WCARD_LCOMP | UCF_SAVE_LCOMP;
1497         }
1498
1499         /* rename_internals() calls unix_convert(), so don't call it here. */
1500         status = filename_convert(ctx, conn,
1501                                   req->flags2 & FLAGS2_DFS_PATHNAMES,
1502                                   oldname,
1503                                   ucf_flags_src,
1504                                   NULL,
1505                                   &smb_fname_old);
1506         if (!NT_STATUS_IS_OK(status)) {
1507                 if (NT_STATUS_EQUAL(status,
1508                                     NT_STATUS_PATH_NOT_COVERED)) {
1509                         reply_botherror(req,
1510                                         NT_STATUS_PATH_NOT_COVERED,
1511                                         ERRSRV, ERRbadpath);
1512                         goto out;
1513                 }
1514                 reply_nterror(req, status);
1515                 goto out;
1516         }
1517
1518         status = filename_convert(ctx, conn,
1519                                   req->flags2 & FLAGS2_DFS_PATHNAMES,
1520                                   newname,
1521                                   ucf_flags_dst,
1522                                   &dest_has_wcard,
1523                                   &smb_fname_new);
1524         if (!NT_STATUS_IS_OK(status)) {
1525                 if (NT_STATUS_EQUAL(status,
1526                                     NT_STATUS_PATH_NOT_COVERED)) {
1527                         reply_botherror(req,
1528                                         NT_STATUS_PATH_NOT_COVERED,
1529                                         ERRSRV, ERRbadpath);
1530                         goto out;
1531                 }
1532                 reply_nterror(req, status);
1533                 goto out;
1534         }
1535
1536         DEBUG(3,("reply_ntrename: %s -> %s\n",
1537                  smb_fname_str_dbg(smb_fname_old),
1538                  smb_fname_str_dbg(smb_fname_new)));
1539
1540         switch(rename_type) {
1541                 case RENAME_FLAG_RENAME:
1542                         status = rename_internals(ctx, conn, req,
1543                                                   smb_fname_old, smb_fname_new,
1544                                                   attrs, False, src_has_wcard,
1545                                                   dest_has_wcard,
1546                                                   DELETE_ACCESS);
1547                         break;
1548                 case RENAME_FLAG_HARD_LINK:
1549                         if (src_has_wcard || dest_has_wcard) {
1550                                 /* No wildcards. */
1551                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1552                         } else {
1553                                 status = hardlink_internals(ctx, conn,
1554                                                             req,
1555                                                             false,
1556                                                             smb_fname_old,
1557                                                             smb_fname_new);
1558                         }
1559                         break;
1560                 case RENAME_FLAG_COPY:
1561                         if (src_has_wcard || dest_has_wcard) {
1562                                 /* No wildcards. */
1563                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1564                         } else {
1565                                 status = copy_internals(ctx, conn, req,
1566                                                         smb_fname_old,
1567                                                         smb_fname_new,
1568                                                         attrs);
1569                         }
1570                         break;
1571                 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1572                         status = NT_STATUS_INVALID_PARAMETER;
1573                         break;
1574                 default:
1575                         status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1576                         break;
1577         }
1578
1579         if (!NT_STATUS_IS_OK(status)) {
1580                 if (open_was_deferred(req->mid)) {
1581                         /* We have re-scheduled this call. */
1582                         goto out;
1583                 }
1584
1585                 reply_nterror(req, status);
1586                 goto out;
1587         }
1588
1589         reply_outbuf(req, 0, 0);
1590  out:
1591         END_PROFILE(SMBntrename);
1592         return;
1593 }
1594
1595 /****************************************************************************
1596  Reply to a notify change - queue the request and
1597  don't allow a directory to be opened.
1598 ****************************************************************************/
1599
1600 static void smbd_smb1_notify_reply(struct smb_request *req,
1601                                    NTSTATUS error_code,
1602                                    uint8_t *buf, size_t len)
1603 {
1604         send_nt_replies(req->conn, req, error_code, (char *)buf, len, NULL, 0);
1605 }
1606
1607 static void call_nt_transact_notify_change(connection_struct *conn,
1608                                            struct smb_request *req,
1609                                            uint16 **ppsetup,
1610                                            uint32 setup_count,
1611                                            char **ppparams,
1612                                            uint32 parameter_count,
1613                                            char **ppdata, uint32 data_count,
1614                                            uint32 max_data_count,
1615                                            uint32 max_param_count)
1616 {
1617         uint16 *setup = *ppsetup;
1618         files_struct *fsp;
1619         uint32 filter;
1620         NTSTATUS status;
1621         bool recursive;
1622
1623         if(setup_count < 6) {
1624                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1625                 return;
1626         }
1627
1628         fsp = file_fsp(req, SVAL(setup,4));
1629         filter = IVAL(setup, 0);
1630         recursive = (SVAL(setup, 6) != 0) ? True : False;
1631
1632         DEBUG(3,("call_nt_transact_notify_change\n"));
1633
1634         if(!fsp) {
1635                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1636                 return;
1637         }
1638
1639         {
1640                 char *filter_string;
1641
1642                 if (!(filter_string = notify_filter_string(NULL, filter))) {
1643                         reply_nterror(req,NT_STATUS_NO_MEMORY);
1644                         return;
1645                 }
1646
1647                 DEBUG(3,("call_nt_transact_notify_change: notify change "
1648                          "called on %s, filter = %s, recursive = %d\n",
1649                          fsp_str_dbg(fsp), filter_string, recursive));
1650
1651                 TALLOC_FREE(filter_string);
1652         }
1653
1654         if((!fsp->is_directory) || (conn != fsp->conn)) {
1655                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1656                 return;
1657         }
1658
1659         if (fsp->notify == NULL) {
1660
1661                 status = change_notify_create(fsp, filter, recursive);
1662
1663                 if (!NT_STATUS_IS_OK(status)) {
1664                         DEBUG(10, ("change_notify_create returned %s\n",
1665                                    nt_errstr(status)));
1666                         reply_nterror(req, status);
1667                         return;
1668                 }
1669         }
1670
1671         if (fsp->notify->num_changes != 0) {
1672
1673                 /*
1674                  * We've got changes pending, respond immediately
1675                  */
1676
1677                 /*
1678                  * TODO: write a torture test to check the filtering behaviour
1679                  * here.
1680                  */
1681
1682                 change_notify_reply(fsp->conn, req,
1683                                     NT_STATUS_OK,
1684                                     max_param_count,
1685                                     fsp->notify,
1686                                     smbd_smb1_notify_reply);
1687
1688                 /*
1689                  * change_notify_reply() above has independently sent its
1690                  * results
1691                  */
1692                 return;
1693         }
1694
1695         /*
1696          * No changes pending, queue the request
1697          */
1698
1699         status = change_notify_add_request(req,
1700                         max_param_count,
1701                         filter,
1702                         recursive, fsp,
1703                         smbd_smb1_notify_reply);
1704         if (!NT_STATUS_IS_OK(status)) {
1705                 reply_nterror(req, status);
1706         }
1707         return;
1708 }
1709
1710 /****************************************************************************
1711  Reply to an NT transact rename command.
1712 ****************************************************************************/
1713
1714 static void call_nt_transact_rename(connection_struct *conn,
1715                                     struct smb_request *req,
1716                                     uint16 **ppsetup, uint32 setup_count,
1717                                     char **ppparams, uint32 parameter_count,
1718                                     char **ppdata, uint32 data_count,
1719                                     uint32 max_data_count)
1720 {
1721         char *params = *ppparams;
1722         char *new_name = NULL;
1723         files_struct *fsp = NULL;
1724         bool dest_has_wcard = False;
1725         NTSTATUS status;
1726         TALLOC_CTX *ctx = talloc_tos();
1727
1728         if(parameter_count < 5) {
1729                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1730                 return;
1731         }
1732
1733         fsp = file_fsp(req, SVAL(params, 0));
1734         if (!check_fsp(conn, req, fsp)) {
1735                 return;
1736         }
1737         srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1738                               parameter_count - 4,
1739                               STR_TERMINATE, &status, &dest_has_wcard);
1740         if (!NT_STATUS_IS_OK(status)) {
1741                 reply_nterror(req, status);
1742                 return;
1743         }
1744
1745         /*
1746          * W2K3 ignores this request as the RAW-RENAME test
1747          * demonstrates, so we do.
1748          */
1749         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1750
1751         DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1752                  fsp_str_dbg(fsp), new_name));
1753
1754         return;
1755 }
1756
1757 /******************************************************************************
1758  Fake up a completely empty SD.
1759 *******************************************************************************/
1760
1761 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, struct security_descriptor **ppsd)
1762 {
1763         size_t sd_size;
1764
1765         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1766         if(!*ppsd) {
1767                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1768                 return NT_STATUS_NO_MEMORY;
1769         }
1770
1771         return NT_STATUS_OK;
1772 }
1773
1774 /****************************************************************************
1775  Reply to query a security descriptor.
1776  Callable from SMB2 and SMB2.
1777  If it returns NT_STATUS_BUFFER_TOO_SMALL, pdata_size is initialized with
1778  the required size.
1779 ****************************************************************************/
1780
1781 NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
1782                                         TALLOC_CTX *mem_ctx,
1783                                         files_struct *fsp,
1784                                         uint32_t security_info_wanted,
1785                                         uint32_t max_data_count,
1786                                         uint8_t **ppmarshalled_sd,
1787                                         size_t *psd_size)
1788 {
1789         NTSTATUS status;
1790         struct security_descriptor *psd = NULL;
1791
1792         /*
1793          * Get the permissions to return.
1794          */
1795
1796         if (!lp_nt_acl_support(SNUM(conn))) {
1797                 status = get_null_nt_acl(mem_ctx, &psd);
1798         } else {
1799                 status = SMB_VFS_FGET_NT_ACL(
1800                         fsp, security_info_wanted, &psd);
1801         }
1802         if (!NT_STATUS_IS_OK(status)) {
1803                 return status;
1804         }
1805
1806         /* If the SACL/DACL is NULL, but was requested, we mark that it is
1807          * present in the reply to match Windows behavior */
1808         if (psd->sacl == NULL &&
1809             security_info_wanted & SECINFO_SACL)
1810                 psd->type |= SEC_DESC_SACL_PRESENT;
1811         if (psd->dacl == NULL &&
1812             security_info_wanted & SECINFO_DACL)
1813                 psd->type |= SEC_DESC_DACL_PRESENT;
1814
1815         *psd_size = ndr_size_security_descriptor(psd, 0);
1816
1817         DEBUG(3,("smbd_do_query_security_desc: sd_size = %lu.\n",
1818                 (unsigned long)*psd_size));
1819
1820         if (DEBUGLEVEL >= 10) {
1821                 DEBUG(10,("smbd_do_query_security_desc for file %s\n",
1822                           fsp_str_dbg(fsp)));
1823                 NDR_PRINT_DEBUG(security_descriptor, psd);
1824         }
1825
1826         if (max_data_count < *psd_size) {
1827                 TALLOC_FREE(psd);
1828                 return NT_STATUS_BUFFER_TOO_SMALL;
1829         }
1830
1831         status = marshall_sec_desc(mem_ctx, psd,
1832                                    ppmarshalled_sd, psd_size);
1833
1834         if (!NT_STATUS_IS_OK(status)) {
1835                 TALLOC_FREE(psd);
1836                 return status;
1837         }
1838
1839         TALLOC_FREE(psd);
1840         return NT_STATUS_OK;
1841 }
1842
1843 /****************************************************************************
1844  SMB1 reply to query a security descriptor.
1845 ****************************************************************************/
1846
1847 static void call_nt_transact_query_security_desc(connection_struct *conn,
1848                                                  struct smb_request *req,
1849                                                  uint16 **ppsetup,
1850                                                  uint32 setup_count,
1851                                                  char **ppparams,
1852                                                  uint32 parameter_count,
1853                                                  char **ppdata,
1854                                                  uint32 data_count,
1855                                                  uint32 max_data_count)
1856 {
1857         char *params = *ppparams;
1858         char *data = *ppdata;
1859         size_t sd_size = 0;
1860         uint32 security_info_wanted;
1861         files_struct *fsp = NULL;
1862         NTSTATUS status;
1863         uint8_t *marshalled_sd = NULL;
1864
1865         if(parameter_count < 8) {
1866                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1867                 return;
1868         }
1869
1870         fsp = file_fsp(req, SVAL(params,0));
1871         if(!fsp) {
1872                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1873                 return;
1874         }
1875
1876         security_info_wanted = IVAL(params,4);
1877
1878         DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
1879                  "info_wanted = 0x%x\n", fsp_str_dbg(fsp),
1880                  (unsigned int)security_info_wanted));
1881
1882         params = nttrans_realloc(ppparams, 4);
1883         if(params == NULL) {
1884                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1885                 return;
1886         }
1887
1888         /*
1889          * Get the permissions to return.
1890          */
1891
1892         status = smbd_do_query_security_desc(conn,
1893                                         talloc_tos(),
1894                                         fsp,
1895                                         security_info_wanted,
1896                                         max_data_count,
1897                                         &marshalled_sd,
1898                                         &sd_size);
1899
1900         if (NT_STATUS_EQUAL(status, NT_STATUS_BUFFER_TOO_SMALL)) {
1901                 SIVAL(params,0,(uint32_t)sd_size);
1902                 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1903                         params, 4, NULL, 0);
1904                 return;
1905         }
1906
1907         if (!NT_STATUS_IS_OK(status)) {
1908                 reply_nterror(req, status);
1909                 return;
1910         }
1911
1912         SMB_ASSERT(sd_size > 0);
1913
1914         SIVAL(params,0,(uint32_t)sd_size);
1915
1916         if (max_data_count < sd_size) {
1917                 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1918                                 params, 4, NULL, 0);
1919                 return;
1920         }
1921
1922         /*
1923          * Allocate the data we will return.
1924          */
1925
1926         data = nttrans_realloc(ppdata, sd_size);
1927         if(data == NULL) {
1928                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1929                 return;
1930         }
1931
1932         memcpy(data, marshalled_sd, sd_size);
1933
1934         send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1935
1936         return;
1937 }
1938
1939 /****************************************************************************
1940  Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1941 ****************************************************************************/
1942
1943 static void call_nt_transact_set_security_desc(connection_struct *conn,
1944                                                struct smb_request *req,
1945                                                uint16 **ppsetup,
1946                                                uint32 setup_count,
1947                                                char **ppparams,
1948                                                uint32 parameter_count,
1949                                                char **ppdata,
1950                                                uint32 data_count,
1951                                                uint32 max_data_count)
1952 {
1953         char *params= *ppparams;
1954         char *data = *ppdata;
1955         files_struct *fsp = NULL;
1956         uint32 security_info_sent = 0;
1957         NTSTATUS status;
1958
1959         if(parameter_count < 8) {
1960                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1961                 return;
1962         }
1963
1964         if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
1965                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1966                 return;
1967         }
1968
1969         if(!lp_nt_acl_support(SNUM(conn))) {
1970                 goto done;
1971         }
1972
1973         security_info_sent = IVAL(params,4);
1974
1975         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
1976                  fsp_str_dbg(fsp), (unsigned int)security_info_sent));
1977
1978         if (data_count == 0) {
1979                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1980                 return;
1981         }
1982
1983         status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
1984
1985         if (!NT_STATUS_IS_OK(status)) {
1986                 reply_nterror(req, status);
1987                 return;
1988         }
1989
1990   done:
1991         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1992         return;
1993 }
1994
1995 /****************************************************************************
1996  Reply to NT IOCTL
1997 ****************************************************************************/
1998
1999 static void call_nt_transact_ioctl(connection_struct *conn,
2000                                    struct smb_request *req,
2001                                    uint16 **ppsetup, uint32 setup_count,
2002                                    char **ppparams, uint32 parameter_count,
2003                                    char **ppdata, uint32 data_count,
2004                                    uint32 max_data_count)
2005 {
2006         uint32 function;
2007         uint16 fidnum;
2008         files_struct *fsp;
2009         uint8 isFSctl;
2010         uint8 compfilter;
2011         char *pdata = *ppdata;
2012
2013         if (setup_count != 8) {
2014                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2015                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2016                 return;
2017         }
2018
2019         function = IVAL(*ppsetup, 0);
2020         fidnum = SVAL(*ppsetup, 4);
2021         isFSctl = CVAL(*ppsetup, 6);
2022         compfilter = CVAL(*ppsetup, 7);
2023
2024         DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2025                  function, fidnum, isFSctl, compfilter));
2026
2027         fsp=file_fsp(req, fidnum);
2028         /* this check is done in each implemented function case for now
2029            because I don't want to break anything... --metze
2030         FSP_BELONGS_CONN(fsp,conn);*/
2031
2032         SMB_PERFCOUNT_SET_IOCTL(&req->pcd, function);
2033
2034         switch (function) {
2035         case FSCTL_SET_SPARSE:
2036                 /* pretend this succeeded - tho strictly we should
2037                    mark the file sparse (if the local fs supports it)
2038                    so we can know if we need to pre-allocate or not */
2039
2040                 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2041                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2042                 return;
2043
2044         case FSCTL_CREATE_OR_GET_OBJECT_ID:
2045         {
2046                 unsigned char objid[16];
2047
2048                 /* This should return the object-id on this file.
2049                  * I think I'll make this be the inode+dev. JRA.
2050                  */
2051
2052                 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
2053
2054                 if (!fsp_belongs_conn(conn, req, fsp)) {
2055                         return;
2056                 }
2057
2058                 data_count = 64;
2059                 pdata = nttrans_realloc(ppdata, data_count);
2060                 if (pdata == NULL) {
2061                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2062                         return;
2063                 }
2064
2065                 /* For backwards compatibility only store the dev/inode. */
2066                 push_file_id_16(pdata, &fsp->file_id);
2067                 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
2068                 push_file_id_16(pdata+32, &fsp->file_id);
2069                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2070                                 pdata, data_count);
2071                 return;
2072         }
2073
2074         case FSCTL_GET_REPARSE_POINT:
2075                 /* pretend this fail - my winXP does it like this
2076                  * --metze
2077                  */
2078
2079                 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2080                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2081                 return;
2082
2083         case FSCTL_SET_REPARSE_POINT:
2084                 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2085                  * --metze
2086                  */
2087
2088                 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2089                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2090                 return;
2091
2092         case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2093         {
2094                 /*
2095                  * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2096                  * and return their volume names.  If max_data_count is 16, then it is just
2097                  * asking for the number of volumes and length of the combined names.
2098                  *
2099                  * pdata is the data allocated by our caller, but that uses
2100                  * total_data_count (which is 0 in our case) rather than max_data_count.
2101                  * Allocate the correct amount and return the pointer to let
2102                  * it be deallocated when we return.
2103                  */
2104                 SHADOW_COPY_DATA *shadow_data = NULL;
2105                 TALLOC_CTX *shadow_mem_ctx = NULL;
2106                 bool labels = False;
2107                 uint32 labels_data_count = 0;
2108                 uint32 i;
2109                 char *cur_pdata;
2110
2111                 if (!fsp_belongs_conn(conn, req, fsp)) {
2112                         return;
2113                 }
2114
2115                 if (max_data_count < 16) {
2116                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2117                                 max_data_count));
2118                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2119                         return;
2120                 }
2121
2122                 if (max_data_count > 16) {
2123                         labels = True;
2124                 }
2125
2126                 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2127                 if (shadow_mem_ctx == NULL) {
2128                         DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2129                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2130                         return;
2131                 }
2132
2133                 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2134                 if (shadow_data == NULL) {
2135                         DEBUG(0,("TALLOC_ZERO() failed!\n"));
2136                         talloc_destroy(shadow_mem_ctx);
2137                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2138                         return;
2139                 }
2140
2141                 shadow_data->mem_ctx = shadow_mem_ctx;
2142
2143                 /*
2144                  * Call the VFS routine to actually do the work.
2145                  */
2146                 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2147                         talloc_destroy(shadow_data->mem_ctx);
2148                         if (errno == ENOSYS) {
2149                                 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2150                                         conn->connectpath));
2151                                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2152                                 return;
2153                         } else {
2154                                 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2155                                         conn->connectpath));
2156                                 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
2157                                 return;
2158                         }
2159                 }
2160
2161                 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2162
2163                 if (!labels) {
2164                         data_count = 16;
2165                 } else {
2166                         data_count = 12+labels_data_count+4;
2167                 }
2168
2169                 if (max_data_count<data_count) {
2170                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2171                                 max_data_count,data_count));
2172                         talloc_destroy(shadow_data->mem_ctx);
2173                         reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
2174                         return;
2175                 }
2176
2177                 pdata = nttrans_realloc(ppdata, data_count);
2178                 if (pdata == NULL) {
2179                         talloc_destroy(shadow_data->mem_ctx);
2180                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2181                         return;
2182                 }
2183
2184                 cur_pdata = pdata;
2185
2186                 /* num_volumes 4 bytes */
2187                 SIVAL(pdata,0,shadow_data->num_volumes);
2188
2189                 if (labels) {
2190                         /* num_labels 4 bytes */
2191                         SIVAL(pdata,4,shadow_data->num_volumes);
2192                 }
2193
2194                 /* needed_data_count 4 bytes */
2195                 SIVAL(pdata, 8, labels_data_count+4);
2196
2197                 cur_pdata+=12;
2198
2199                 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2200                           shadow_data->num_volumes, fsp_str_dbg(fsp)));
2201                 if (labels && shadow_data->labels) {
2202                         for (i=0;i<shadow_data->num_volumes;i++) {
2203                                 srvstr_push(pdata, req->flags2,
2204                                             cur_pdata, shadow_data->labels[i],
2205                                             2*sizeof(SHADOW_COPY_LABEL),
2206                                             STR_UNICODE|STR_TERMINATE);
2207                                 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2208                                 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2209                         }
2210                 }
2211
2212                 talloc_destroy(shadow_data->mem_ctx);
2213
2214                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2215                                 pdata, data_count);
2216
2217                 return;
2218         }
2219
2220         case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2221         {
2222                 /* pretend this succeeded -
2223                  *
2224                  * we have to send back a list with all files owned by this SID
2225                  *
2226                  * but I have to check that --metze
2227                  */
2228                 struct dom_sid sid;
2229                 uid_t uid;
2230                 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2231
2232                 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2233
2234                 if (!fsp_belongs_conn(conn, req, fsp)) {
2235                         return;
2236                 }
2237
2238                 /* unknown 4 bytes: this is not the length of the sid :-(  */
2239                 /*unknown = IVAL(pdata,0);*/
2240
2241                 sid_parse(pdata+4,sid_len,&sid);
2242                 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
2243
2244                 if (!sid_to_uid(&sid, &uid)) {
2245                         DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2246                                  sid_string_dbg(&sid),
2247                                  (unsigned long)sid_len));
2248                         uid = (-1);
2249                 }
2250
2251                 /* we can take a look at the find source :-)
2252                  *
2253                  * find ./ -uid $uid  -name '*'   is what we need here
2254                  *
2255                  *
2256                  * and send 4bytes len and then NULL terminated unicode strings
2257                  * for each file
2258                  *
2259                  * but I don't know how to deal with the paged results
2260                  * (maybe we can hang the result anywhere in the fsp struct)
2261                  *
2262                  * we don't send all files at once
2263                  * and at the next we should *not* start from the beginning,
2264                  * so we have to cache the result
2265                  *
2266                  * --metze
2267                  */
2268
2269                 /* this works for now... */
2270                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2271                 return;
2272         }
2273         case FSCTL_QUERY_ALLOCATED_RANGES:
2274         {
2275                 /* FIXME: This is just a dummy reply, telling that all of the
2276                  * file is allocated. MKS cp needs that.
2277                  * Adding the real allocated ranges via FIEMAP on Linux
2278                  * and SEEK_DATA/SEEK_HOLE on Solaris is needed to make
2279                  * this FSCTL correct for sparse files.
2280                  */
2281                 NTSTATUS status;
2282                 uint64_t offset, length;
2283
2284                 if (!fsp_belongs_conn(conn, req, fsp)) {
2285                         return;
2286                 }
2287
2288                 if (data_count != 16) {
2289                         DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: data_count(%u) != 16 is invalid!\n",
2290                                 data_count));
2291                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2292                         return;
2293                 }
2294
2295                 if (max_data_count < 16) {
2296                         DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: max_data_count(%u) < 16 is invalid!\n",
2297                                 max_data_count));
2298                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2299                         return;
2300                 }
2301
2302                 offset = BVAL(pdata,0);
2303                 length = BVAL(pdata,8);
2304
2305                 if (offset + length < offset) {
2306                         /* No 64-bit integer wrap. */
2307                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2308                         return;
2309                 }
2310
2311                 status = vfs_stat_fsp(fsp);
2312                 if (!NT_STATUS_IS_OK(status)) {
2313                         reply_nterror(req, status);
2314                         return;
2315                 }
2316
2317                 if (offset > fsp->fsp_name->st.st_ex_size ||
2318                                 fsp->fsp_name->st.st_ex_size == 0 ||
2319                                 length == 0) {
2320                         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2321                 } else {
2322                         uint64_t end = offset + length;
2323                         end = MIN(end, fsp->fsp_name->st.st_ex_size);
2324                         SBVAL(pdata,0,0);
2325                         SBVAL(pdata,8,end);
2326                         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2327                                 pdata, 16);
2328                 }
2329                 return;
2330         }
2331         default:
2332                 if (!logged_ioctl_message) {
2333                         logged_ioctl_message = true; /* Only print this once... */
2334                         DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2335                                  function));
2336                 }
2337         }
2338
2339         reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2340 }
2341
2342
2343 #ifdef HAVE_SYS_QUOTAS
2344 /****************************************************************************
2345  Reply to get user quota
2346 ****************************************************************************/
2347
2348 static void call_nt_transact_get_user_quota(connection_struct *conn,
2349                                             struct smb_request *req,
2350                                             uint16 **ppsetup,
2351                                             uint32 setup_count,
2352                                             char **ppparams,
2353                                             uint32 parameter_count,
2354                                             char **ppdata,
2355                                             uint32 data_count,
2356                                             uint32 max_data_count)
2357 {
2358         NTSTATUS nt_status = NT_STATUS_OK;
2359         char *params = *ppparams;
2360         char *pdata = *ppdata;
2361         char *entry;
2362         int data_len=0,param_len=0;
2363         int qt_len=0;
2364         int entry_len = 0;
2365         files_struct *fsp = NULL;
2366         uint16 level = 0;
2367         size_t sid_len;
2368         struct dom_sid sid;
2369         bool start_enum = True;
2370         SMB_NTQUOTA_STRUCT qt;
2371         SMB_NTQUOTA_LIST *tmp_list;
2372         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2373
2374         ZERO_STRUCT(qt);
2375
2376         /* access check */
2377         if (conn->server_info->utok.uid != 0) {
2378                 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2379                          "[%s]\n", lp_servicename(SNUM(conn)),
2380                          conn->server_info->unix_name));
2381                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2382                 return;
2383         }
2384
2385         /*
2386          * Ensure minimum number of parameters sent.
2387          */
2388
2389         if (parameter_count < 4) {
2390                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2391                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2392                 return;
2393         }
2394
2395         /* maybe we can check the quota_fnum */
2396         fsp = file_fsp(req, SVAL(params,0));
2397         if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2398                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2399                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2400                 return;
2401         }
2402
2403         /* the NULL pointer checking for fsp->fake_file_handle->pd
2404          * is done by CHECK_NTQUOTA_HANDLE_OK()
2405          */
2406         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2407
2408         level = SVAL(params,2);
2409
2410         /* unknown 12 bytes leading in params */
2411
2412         switch (level) {
2413                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2414                         /* seems that we should continue with the enum here --metze */
2415
2416                         if (qt_handle->quota_list!=NULL &&
2417                             qt_handle->tmp_list==NULL) {
2418
2419                                 /* free the list */
2420                                 free_ntquota_list(&(qt_handle->quota_list));
2421
2422                                 /* Realloc the size of parameters and data we will return */
2423                                 param_len = 4;
2424                                 params = nttrans_realloc(ppparams, param_len);
2425                                 if(params == NULL) {
2426                                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2427                                         return;
2428                                 }
2429
2430                                 data_len = 0;
2431                                 SIVAL(params,0,data_len);
2432
2433                                 break;
2434                         }
2435
2436                         start_enum = False;
2437
2438                 case TRANSACT_GET_USER_QUOTA_LIST_START:
2439
2440                         if (qt_handle->quota_list==NULL &&
2441                                 qt_handle->tmp_list==NULL) {
2442                                 start_enum = True;
2443                         }
2444
2445                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2446                                 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2447                                 return;
2448                         }
2449
2450                         /* Realloc the size of parameters and data we will return */
2451                         param_len = 4;
2452                         params = nttrans_realloc(ppparams, param_len);
2453                         if(params == NULL) {
2454                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2455                                 return;
2456                         }
2457
2458                         /* we should not trust the value in max_data_count*/
2459                         max_data_count = MIN(max_data_count,2048);
2460
2461                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2462                         if(pdata == NULL) {
2463                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2464                                 return;
2465                         }
2466
2467                         entry = pdata;
2468
2469                         /* set params Size of returned Quota Data 4 bytes*/
2470                         /* but set it later when we know it */
2471
2472                         /* for each entry push the data */
2473
2474                         if (start_enum) {
2475                                 qt_handle->tmp_list = qt_handle->quota_list;
2476                         }
2477
2478                         tmp_list = qt_handle->tmp_list;
2479
2480                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2481                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2482
2483                                 sid_len = ndr_size_dom_sid(
2484                                         &tmp_list->quotas->sid, 0);
2485                                 entry_len = 40 + sid_len;
2486
2487                                 /* nextoffset entry 4 bytes */
2488                                 SIVAL(entry,0,entry_len);
2489
2490                                 /* then the len of the SID 4 bytes */
2491                                 SIVAL(entry,4,sid_len);
2492
2493                                 /* unknown data 8 bytes uint64_t */
2494                                 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2495
2496                                 /* the used disk space 8 bytes uint64_t */
2497                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2498
2499                                 /* the soft quotas 8 bytes uint64_t */
2500                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2501
2502                                 /* the hard quotas 8 bytes uint64_t */
2503                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2504
2505                                 /* and now the SID */
2506                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2507                         }
2508
2509                         qt_handle->tmp_list = tmp_list;
2510
2511                         /* overwrite the offset of the last entry */
2512                         SIVAL(entry-entry_len,0,0);
2513
2514                         data_len = 4+qt_len;
2515                         /* overwrite the params quota_data_len */
2516                         SIVAL(params,0,data_len);
2517
2518                         break;
2519
2520                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2521
2522                         /* unknown 4 bytes IVAL(pdata,0) */
2523
2524                         if (data_count < 8) {
2525                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2526                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2527                                 return;
2528                         }
2529
2530                         sid_len = IVAL(pdata,4);
2531                         /* Ensure this is less than 1mb. */
2532                         if (sid_len > (1024*1024)) {
2533                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2534                                 return;
2535                         }
2536
2537                         if (data_count < 8+sid_len) {
2538                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2539                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2540                                 return;
2541                         }
2542
2543                         data_len = 4+40+sid_len;
2544
2545                         if (max_data_count < data_len) {
2546                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2547                                         max_data_count, data_len));
2548                                 param_len = 4;
2549                                 SIVAL(params,0,data_len);
2550                                 data_len = 0;
2551                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2552                                 break;
2553                         }
2554
2555                         sid_parse(pdata+8,sid_len,&sid);
2556
2557                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2558                                 ZERO_STRUCT(qt);
2559                                 /*
2560                                  * we have to return zero's in all fields
2561                                  * instead of returning an error here
2562                                  * --metze
2563                                  */
2564                         }
2565
2566                         /* Realloc the size of parameters and data we will return */
2567                         param_len = 4;
2568                         params = nttrans_realloc(ppparams, param_len);
2569                         if(params == NULL) {
2570                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2571                                 return;
2572                         }
2573
2574                         pdata = nttrans_realloc(ppdata, data_len);
2575                         if(pdata == NULL) {
2576                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2577                                 return;
2578                         }
2579
2580                         entry = pdata;
2581
2582                         /* set params Size of returned Quota Data 4 bytes*/
2583                         SIVAL(params,0,data_len);
2584
2585                         /* nextoffset entry 4 bytes */
2586                         SIVAL(entry,0,0);
2587
2588                         /* then the len of the SID 4 bytes */
2589                         SIVAL(entry,4,sid_len);
2590
2591                         /* unknown data 8 bytes uint64_t */
2592                         SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2593
2594                         /* the used disk space 8 bytes uint64_t */
2595                         SBIG_UINT(entry,16,qt.usedspace);
2596
2597                         /* the soft quotas 8 bytes uint64_t */
2598                         SBIG_UINT(entry,24,qt.softlim);
2599
2600                         /* the hard quotas 8 bytes uint64_t */
2601                         SBIG_UINT(entry,32,qt.hardlim);
2602
2603                         /* and now the SID */
2604                         sid_linearize(entry+40, sid_len, &sid);
2605
2606                         break;
2607
2608                 default:
2609                         DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2610                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2611                         return;
2612                         break;
2613         }
2614
2615         send_nt_replies(conn, req, nt_status, params, param_len,
2616                         pdata, data_len);
2617 }
2618
2619 /****************************************************************************
2620  Reply to set user quota
2621 ****************************************************************************/
2622
2623 static void call_nt_transact_set_user_quota(connection_struct *conn,
2624                                             struct smb_request *req,
2625                                             uint16 **ppsetup,
2626                                             uint32 setup_count,
2627                                             char **ppparams,
2628                                             uint32 parameter_count,
2629                                             char **ppdata,
2630                                             uint32 data_count,
2631                                             uint32 max_data_count)
2632 {
2633         char *params = *ppparams;
2634         char *pdata = *ppdata;
2635         int data_len=0,param_len=0;
2636         SMB_NTQUOTA_STRUCT qt;
2637         size_t sid_len;
2638         struct dom_sid sid;
2639         files_struct *fsp = NULL;
2640
2641         ZERO_STRUCT(qt);
2642
2643         /* access check */
2644         if (conn->server_info->utok.uid != 0) {
2645                 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2646                          "[%s]\n", lp_servicename(SNUM(conn)),
2647                          conn->server_info->unix_name));
2648                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2649                 return;
2650         }
2651
2652         /*
2653          * Ensure minimum number of parameters sent.
2654          */
2655
2656         if (parameter_count < 2) {
2657                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2658                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2659                 return;
2660         }
2661
2662         /* maybe we can check the quota_fnum */
2663         fsp = file_fsp(req, SVAL(params,0));
2664         if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2665                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2666                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2667                 return;
2668         }
2669
2670         if (data_count < 40) {
2671                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2672                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2673                 return;
2674         }
2675
2676         /* offset to next quota record.
2677          * 4 bytes IVAL(pdata,0)
2678          * unused here...
2679          */
2680
2681         /* sid len */
2682         sid_len = IVAL(pdata,4);
2683
2684         if (data_count < 40+sid_len) {
2685                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2686                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2687                 return;
2688         }
2689
2690         /* unknown 8 bytes in pdata
2691          * maybe its the change time in NTTIME
2692          */
2693
2694         /* the used space 8 bytes (uint64_t)*/
2695         qt.usedspace = (uint64_t)IVAL(pdata,16);
2696 #ifdef LARGE_SMB_OFF_T
2697         qt.usedspace |= (((uint64_t)IVAL(pdata,20)) << 32);
2698 #else /* LARGE_SMB_OFF_T */
2699         if ((IVAL(pdata,20) != 0)&&
2700                 ((qt.usedspace != 0xFFFFFFFF)||
2701                 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2702                 /* more than 32 bits? */
2703                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2704                 return;
2705         }
2706 #endif /* LARGE_SMB_OFF_T */
2707
2708         /* the soft quotas 8 bytes (uint64_t)*/
2709         qt.softlim = (uint64_t)IVAL(pdata,24);
2710 #ifdef LARGE_SMB_OFF_T
2711         qt.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
2712 #else /* LARGE_SMB_OFF_T */
2713         if ((IVAL(pdata,28) != 0)&&
2714                 ((qt.softlim != 0xFFFFFFFF)||
2715                 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2716                 /* more than 32 bits? */
2717                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2718                 return;
2719         }
2720 #endif /* LARGE_SMB_OFF_T */
2721
2722         /* the hard quotas 8 bytes (uint64_t)*/
2723         qt.hardlim = (uint64_t)IVAL(pdata,32);
2724 #ifdef LARGE_SMB_OFF_T
2725         qt.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
2726 #else /* LARGE_SMB_OFF_T */
2727         if ((IVAL(pdata,36) != 0)&&
2728                 ((qt.hardlim != 0xFFFFFFFF)||
2729                 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2730                 /* more than 32 bits? */
2731                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2732                 return;
2733         }
2734 #endif /* LARGE_SMB_OFF_T */
2735
2736         sid_parse(pdata+40,sid_len,&sid);
2737         DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2738
2739         /* 44 unknown bytes left... */
2740
2741         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2742                 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2743                 return;
2744         }
2745
2746         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2747                         pdata, data_len);
2748 }
2749 #endif /* HAVE_SYS_QUOTAS */
2750
2751 static void handle_nttrans(connection_struct *conn,
2752                            struct trans_state *state,
2753                            struct smb_request *req)
2754 {
2755         if (get_Protocol() >= PROTOCOL_NT1) {
2756                 req->flags2 |= 0x40; /* IS_LONG_NAME */
2757                 SSVAL(req->inbuf,smb_flg2,req->flags2);
2758         }
2759
2760
2761         SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
2762
2763         /* Now we must call the relevant NT_TRANS function */
2764         switch(state->call) {
2765                 case NT_TRANSACT_CREATE:
2766                 {
2767                         START_PROFILE(NT_transact_create);
2768                         call_nt_transact_create(
2769                                 conn, req,
2770                                 &state->setup, state->setup_count,
2771                                 &state->param, state->total_param,
2772                                 &state->data, state->total_data,
2773                                 state->max_data_return);
2774                         END_PROFILE(NT_transact_create);
2775                         break;
2776                 }
2777
2778                 case NT_TRANSACT_IOCTL:
2779                 {
2780                         START_PROFILE(NT_transact_ioctl);
2781                         call_nt_transact_ioctl(
2782                                 conn, req,
2783                                 &state->setup, state->setup_count,
2784                                 &state->param, state->total_param,
2785                                 &state->data, state->total_data,
2786                                 state->max_data_return);
2787                         END_PROFILE(NT_transact_ioctl);
2788                         break;
2789                 }
2790
2791                 case NT_TRANSACT_SET_SECURITY_DESC:
2792                 {
2793                         START_PROFILE(NT_transact_set_security_desc);
2794                         call_nt_transact_set_security_desc(
2795                                 conn, req,
2796                                 &state->setup, state->setup_count,
2797                                 &state->param, state->total_param,
2798                                 &state->data, state->total_data,
2799                                 state->max_data_return);
2800                         END_PROFILE(NT_transact_set_security_desc);
2801                         break;
2802                 }
2803
2804                 case NT_TRANSACT_NOTIFY_CHANGE:
2805                 {
2806                         START_PROFILE(NT_transact_notify_change);
2807                         call_nt_transact_notify_change(
2808                                 conn, req,
2809                                 &state->setup, state->setup_count,
2810                                 &state->param, state->total_param,
2811                                 &state->data, state->total_data,
2812                                 state->max_data_return,
2813                                 state->max_param_return);
2814                         END_PROFILE(NT_transact_notify_change);
2815                         break;
2816                 }
2817
2818                 case NT_TRANSACT_RENAME:
2819                 {
2820                         START_PROFILE(NT_transact_rename);
2821                         call_nt_transact_rename(
2822                                 conn, req,
2823                                 &state->setup, state->setup_count,
2824                                 &state->param, state->total_param,
2825                                 &state->data, state->total_data,
2826                                 state->max_data_return);
2827                         END_PROFILE(NT_transact_rename);
2828                         break;
2829                 }
2830
2831                 case NT_TRANSACT_QUERY_SECURITY_DESC:
2832                 {
2833                         START_PROFILE(NT_transact_query_security_desc);
2834                         call_nt_transact_query_security_desc(
2835                                 conn, req,
2836                                 &state->setup, state->setup_count,
2837                                 &state->param, state->total_param,
2838                                 &state->data, state->total_data,
2839                                 state->max_data_return);
2840                         END_PROFILE(NT_transact_query_security_desc);
2841                         break;
2842                 }
2843
2844 #ifdef HAVE_SYS_QUOTAS
2845                 case NT_TRANSACT_GET_USER_QUOTA:
2846                 {
2847                         START_PROFILE(NT_transact_get_user_quota);
2848                         call_nt_transact_get_user_quota(
2849                                 conn, req,
2850                                 &state->setup, state->setup_count,
2851                                 &state->param, state->total_param,
2852                                 &state->data, state->total_data,
2853                                 state->max_data_return);
2854                         END_PROFILE(NT_transact_get_user_quota);
2855                         break;
2856                 }
2857
2858                 case NT_TRANSACT_SET_USER_QUOTA:
2859                 {
2860                         START_PROFILE(NT_transact_set_user_quota);
2861                         call_nt_transact_set_user_quota(
2862                                 conn, req,
2863                                 &state->setup, state->setup_count,
2864                                 &state->param, state->total_param,
2865                                 &state->data, state->total_data,
2866                                 state->max_data_return);
2867                         END_PROFILE(NT_transact_set_user_quota);
2868                         break;
2869                 }
2870 #endif /* HAVE_SYS_QUOTAS */
2871
2872                 default:
2873                         /* Error in request */
2874                         DEBUG(0,("handle_nttrans: Unknown request %d in "
2875                                  "nttrans call\n", state->call));
2876                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2877                         return;
2878         }
2879         return;
2880 }
2881
2882 /****************************************************************************
2883  Reply to a SMBNTtrans.
2884 ****************************************************************************/
2885
2886 void reply_nttrans(struct smb_request *req)
2887 {
2888         connection_struct *conn = req->conn;
2889         uint32_t pscnt;
2890         uint32_t psoff;
2891         uint32_t dscnt;
2892         uint32_t dsoff;
2893         uint16 function_code;
2894         NTSTATUS result;
2895         struct trans_state *state;
2896
2897         START_PROFILE(SMBnttrans);
2898
2899         if (req->wct < 19) {
2900                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2901                 END_PROFILE(SMBnttrans);
2902                 return;
2903         }
2904
2905         pscnt = IVAL(req->vwv+9, 1);
2906         psoff = IVAL(req->vwv+11, 1);
2907         dscnt = IVAL(req->vwv+13, 1);
2908         dsoff = IVAL(req->vwv+15, 1);
2909         function_code = SVAL(req->vwv+18, 0);
2910
2911         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2912                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2913                 END_PROFILE(SMBnttrans);
2914                 return;
2915         }
2916
2917         result = allow_new_trans(conn->pending_trans, req->mid);
2918         if (!NT_STATUS_IS_OK(result)) {
2919                 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2920                 reply_nterror(req, result);
2921                 END_PROFILE(SMBnttrans);
2922                 return;
2923         }
2924
2925         if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
2926                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2927                 END_PROFILE(SMBnttrans);
2928                 return;
2929         }
2930
2931         state->cmd = SMBnttrans;
2932
2933         state->mid = req->mid;
2934         state->vuid = req->vuid;
2935         state->total_data = IVAL(req->vwv+3, 1);
2936         state->data = NULL;
2937         state->total_param = IVAL(req->vwv+1, 1);
2938         state->param = NULL;
2939         state->max_data_return = IVAL(req->vwv+7, 1);
2940         state->max_param_return = IVAL(req->vwv+5, 1);
2941
2942         /* setup count is in *words* */
2943         state->setup_count = 2*CVAL(req->vwv+17, 1);
2944         state->setup = NULL;
2945         state->call = function_code;
2946
2947         DEBUG(10, ("num_setup=%u, "
2948                    "param_total=%u, this_param=%u, max_param=%u, "
2949                    "data_total=%u, this_data=%u, max_data=%u, "
2950                    "param_offset=%u, data_offset=%u\n",
2951                    (unsigned)state->setup_count,
2952                    (unsigned)state->total_param, (unsigned)pscnt,
2953                    (unsigned)state->max_param_return,
2954                    (unsigned)state->total_data, (unsigned)dscnt,
2955                    (unsigned)state->max_data_return,
2956                    (unsigned)psoff, (unsigned)dsoff));
2957
2958         /*
2959          * All nttrans messages we handle have smb_wct == 19 +
2960          * state->setup_count.  Ensure this is so as a sanity check.
2961          */
2962
2963         if(req->wct != 19 + (state->setup_count/2)) {
2964                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2965                          req->wct, 19 + (state->setup_count/2)));
2966                 goto bad_param;
2967         }
2968
2969         /* Don't allow more than 128mb for each value. */
2970         if ((state->total_data > (1024*1024*128)) ||
2971             (state->total_param > (1024*1024*128))) {
2972                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2973                 END_PROFILE(SMBnttrans);
2974                 return;
2975         }
2976
2977         if ((dscnt > state->total_data) || (pscnt > state->total_param))
2978                 goto bad_param;
2979
2980         if (state->total_data)  {
2981
2982                 if (trans_oob(state->total_data, 0, dscnt)
2983                     || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
2984                         goto bad_param;
2985                 }
2986
2987                 /* Can't use talloc here, the core routines do realloc on the
2988                  * params and data. */
2989                 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2990                         DEBUG(0,("reply_nttrans: data malloc fail for %u "
2991                                  "bytes !\n", (unsigned int)state->total_data));
2992                         TALLOC_FREE(state);
2993                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2994                         END_PROFILE(SMBnttrans);
2995                         return;
2996                 }
2997
2998                 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2999         }
3000
3001         if (state->total_param) {
3002
3003                 if (trans_oob(state->total_param, 0, pscnt)
3004                     || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
3005                         goto bad_param;
3006                 }
3007
3008                 /* Can't use talloc here, the core routines do realloc on the
3009                  * params and data. */
3010                 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
3011                         DEBUG(0,("reply_nttrans: param malloc fail for %u "
3012                                  "bytes !\n", (unsigned int)state->total_param));
3013                         SAFE_FREE(state->data);
3014                         TALLOC_FREE(state);
3015                         reply_nterror(req, NT_STATUS_NO_MEMORY);
3016                         END_PROFILE(SMBnttrans);
3017                         return;
3018                 }
3019
3020                 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
3021         }
3022
3023         state->received_data  = dscnt;
3024         state->received_param = pscnt;
3025
3026         if(state->setup_count > 0) {
3027                 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
3028                           state->setup_count));
3029
3030                 /*
3031                  * No overflow possible here, state->setup_count is an
3032                  * unsigned int, being filled by a single byte from
3033                  * CVAL(req->vwv+13, 0) above. The cast in the comparison
3034                  * below is not necessary, it's here to clarify things. The
3035                  * validity of req->vwv and req->wct has been checked in
3036                  * init_smb_request already.
3037                  */
3038                 if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
3039                         goto bad_param;
3040                 }
3041
3042                 state->setup = (uint16 *)TALLOC(state, state->setup_count);
3043                 if (state->setup == NULL) {
3044                         DEBUG(0,("reply_nttrans : Out of memory\n"));
3045                         SAFE_FREE(state->data);
3046                         SAFE_FREE(state->param);
3047                         TALLOC_FREE(state);
3048                         reply_nterror(req, NT_STATUS_NO_MEMORY);
3049                         END_PROFILE(SMBnttrans);
3050                         return;
3051                 }
3052
3053                 memcpy(state->setup, req->vwv+19, state->setup_count);
3054                 dump_data(10, (uint8 *)state->setup, state->setup_count);
3055         }
3056
3057         if ((state->received_data == state->total_data) &&
3058             (state->received_param == state->total_param)) {
3059                 handle_nttrans(conn, state, req);
3060                 SAFE_FREE(state->param);
3061                 SAFE_FREE(state->data);
3062                 TALLOC_FREE(state);
3063                 END_PROFILE(SMBnttrans);
3064                 return;
3065         }
3066
3067         DLIST_ADD(conn->pending_trans, state);
3068
3069         /* We need to send an interim response then receive the rest
3070            of the parameter/data bytes */
3071         reply_outbuf(req, 0, 0);
3072         show_msg((char *)req->outbuf);
3073         END_PROFILE(SMBnttrans);
3074         return;
3075
3076   bad_param:
3077
3078         DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3079         SAFE_FREE(state->data);
3080         SAFE_FREE(state->param);
3081         TALLOC_FREE(state);
3082         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3083         END_PROFILE(SMBnttrans);
3084         return;
3085 }
3086
3087 /****************************************************************************
3088  Reply to a SMBnttranss
3089  ****************************************************************************/
3090
3091 void reply_nttranss(struct smb_request *req)
3092 {
3093         connection_struct *conn = req->conn;
3094         uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
3095         struct trans_state *state;
3096
3097         START_PROFILE(SMBnttranss);
3098
3099         show_msg((char *)req->inbuf);
3100
3101         if (req->wct < 18) {
3102                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3103                 END_PROFILE(SMBnttranss);
3104                 return;
3105         }
3106
3107         for (state = conn->pending_trans; state != NULL;
3108              state = state->next) {
3109                 if (state->mid == req->mid) {
3110                         break;
3111                 }
3112         }
3113
3114         if ((state == NULL) || (state->cmd != SMBnttrans)) {
3115                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3116                 END_PROFILE(SMBnttranss);
3117                 return;
3118         }
3119
3120         /* Revise state->total_param and state->total_data in case they have
3121            changed downwards */
3122         if (IVAL(req->vwv+1, 1) < state->total_param) {
3123                 state->total_param = IVAL(req->vwv+1, 1);
3124         }
3125         if (IVAL(req->vwv+3, 1) < state->total_data) {
3126                 state->total_data = IVAL(req->vwv+3, 1);
3127         }
3128
3129         pcnt = IVAL(req->vwv+5, 1);
3130         poff = IVAL(req->vwv+7, 1);
3131         pdisp = IVAL(req->vwv+9, 1);
3132
3133         dcnt = IVAL(req->vwv+11, 1);
3134         doff = IVAL(req->vwv+13, 1);
3135         ddisp = IVAL(req->vwv+15, 1);
3136
3137         state->received_param += pcnt;
3138         state->received_data += dcnt;
3139
3140         if ((state->received_data > state->total_data) ||
3141             (state->received_param > state->total_param))
3142                 goto bad_param;
3143
3144         if (pcnt) {
3145                 if (trans_oob(state->total_param, pdisp, pcnt)
3146                     || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
3147                         goto bad_param;
3148                 }
3149                 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
3150         }
3151
3152         if (dcnt) {
3153                 if (trans_oob(state->total_data, ddisp, dcnt)
3154                     || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
3155                         goto bad_param;
3156                 }
3157                 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
3158         }
3159
3160         if ((state->received_param < state->total_param) ||
3161             (state->received_data < state->total_data)) {
3162                 END_PROFILE(SMBnttranss);
3163                 return;
3164         }
3165
3166         handle_nttrans(conn, state, req);
3167
3168         DLIST_REMOVE(conn->pending_trans, state);
3169         SAFE_FREE(state->data);
3170         SAFE_FREE(state->param);
3171         TALLOC_FREE(state);
3172         END_PROFILE(SMBnttranss);
3173         return;
3174
3175   bad_param:
3176
3177         DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3178         DLIST_REMOVE(conn->pending_trans, state);
3179         SAFE_FREE(state->data);
3180         SAFE_FREE(state->param);
3181         TALLOC_FREE(state);
3182         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3183         END_PROFILE(SMBnttranss);
3184         return;
3185 }