source3/smbd/nttrans.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    SMB NT transaction handling
   4    Copyright (C) Jeremy Allison                 1994-2007
   5    Copyright (C) Stefan (metze) Metzmacher      2003
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include "includes.h"
  22 #include "smbd/globals.h"
  23
  24 extern const struct generic_mapping file_generic_mapping;
  25
  26 static char *nttrans_realloc(char **ptr, size_t size)
  27 {
  28         if (ptr==NULL) {
  29                 smb_panic("nttrans_realloc() called with NULL ptr");
  30         }
  31
  32         *ptr = (char *)SMB_REALLOC(*ptr, size);
  33         if(*ptr == NULL) {
  34                 return NULL;
  35         }
  36         memset(*ptr,'\0',size);
  37         return *ptr;
  38 }
  39
  40 /****************************************************************************
  41  Send the required number of replies back.
  42  We assume all fields other than the data fields are
  43  set correctly for the type of call.
  44  HACK ! Always assumes smb_setup field is zero.
  45 ****************************************************************************/
  46
  47 void send_nt_replies(connection_struct *conn,
  48                         struct smb_request *req, NTSTATUS nt_error,
  49                      char *params, int paramsize,
  50                      char *pdata, int datasize)
  51 {
  52         int data_to_send = datasize;
  53         int params_to_send = paramsize;
  54         int useable_space;
  55         char *pp = params;
  56         char *pd = pdata;
  57         int params_sent_thistime, data_sent_thistime, total_sent_thistime;
  58         int alignment_offset = 3;
  59         int data_alignment_offset = 0;
  60         struct smbd_server_connection *sconn = smbd_server_conn;
  61         int max_send = sconn->smb1.sessions.max_send;
  62
  63         /*
  64          * If there genuinely are no parameters or data to send just send
  65          * the empty packet.
  66          */
  67
  68         if(params_to_send == 0 && data_to_send == 0) {
  69                 reply_outbuf(req, 18, 0);
  70                 if (NT_STATUS_V(nt_error)) {
  71                         error_packet_set((char *)req->outbuf,
  72                                          0, 0, nt_error,
  73                                          __LINE__,__FILE__);
  74                 }
  75                 show_msg((char *)req->outbuf);
  76                 if (!srv_send_smb(smbd_server_fd(),
  77                                 (char *)req->outbuf,
  78                                 true, req->seqnum+1,
  79                                 IS_CONN_ENCRYPTED(conn),
  80                                 &req->pcd)) {
  81                         exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
  82                 }
  83                 TALLOC_FREE(req->outbuf);
  84                 return;
  85         }
  86
  87         /*
  88          * When sending params and data ensure that both are nicely aligned.
  89          * Only do this alignment when there is also data to send - else
  90          * can cause NT redirector problems.
  91          */
  92
  93         if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
  94                 data_alignment_offset = 4 - (params_to_send % 4);
  95         }
  96
  97         /*
  98          * Space is bufsize minus Netbios over TCP header minus SMB header.
  99          * The alignment_offset is to align the param bytes on a four byte
 100          * boundary (2 bytes for data len, one byte pad).
 101          * NT needs this to work correctly.
 102          */
 103
 104         useable_space = max_send - (smb_size
 105                                     + 2 * 18 /* wct */
 106                                     + alignment_offset
 107                                     + data_alignment_offset);
 108
 109         if (useable_space < 0) {
 110                 char *msg = talloc_asprintf(
 111                         talloc_tos(),
 112                         "send_nt_replies failed sanity useable_space = %d!!!",
 113                         useable_space);
 114                 DEBUG(0, ("%s\n", msg));
 115                 exit_server_cleanly(msg);
 116         }
 117
 118         while (params_to_send || data_to_send) {
 119
 120                 /*
 121                  * Calculate whether we will totally or partially fill this packet.
 122                  */
 123
 124                 total_sent_thistime = params_to_send + data_to_send;
 125
 126                 /*
 127                  * We can never send more than useable_space.
 128                  */
 129
 130                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
 131
 132                 reply_outbuf(req, 18,
 133                              total_sent_thistime + alignment_offset
 134                              + data_alignment_offset);
 135
 136                 /*
 137                  * We might have had SMBnttranss in req->inbuf, fix that.
 138                  */
 139                 SCVAL(req->outbuf, smb_com, SMBnttrans);
 140
 141                 /*
 142                  * Set total params and data to be sent.
 143                  */
 144
 145                 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
 146                 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
 147
 148                 /*
 149                  * Calculate how many parameters and data we can fit into
 150                  * this packet. Parameters get precedence.
 151                  */
 152
 153                 params_sent_thistime = MIN(params_to_send,useable_space);
 154                 data_sent_thistime = useable_space - params_sent_thistime;
 155                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
 156
 157                 SIVAL(req->outbuf, smb_ntr_ParameterCount,
 158                       params_sent_thistime);
 159
 160                 if(params_sent_thistime == 0) {
 161                         SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
 162                         SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
 163                 } else {
 164                         /*
 165                          * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
 166                          * parameter bytes, however the first 4 bytes of outbuf are
 167                          * the Netbios over TCP header. Thus use smb_base() to subtract
 168                          * them from the calculation.
 169                          */
 170
 171                         SIVAL(req->outbuf,smb_ntr_ParameterOffset,
 172                               ((smb_buf(req->outbuf)+alignment_offset)
 173                                - smb_base(req->outbuf)));
 174                         /*
 175                          * Absolute displacement of param bytes sent in this packet.
 176                          */
 177
 178                         SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
 179                               pp - params);
 180                 }
 181
 182                 /*
 183                  * Deal with the data portion.
 184                  */
 185
 186                 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
 187
 188                 if(data_sent_thistime == 0) {
 189                         SIVAL(req->outbuf,smb_ntr_DataOffset,0);
 190                         SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
 191                 } else {
 192                         /*
 193                          * The offset of the data bytes is the offset of the
 194                          * parameter bytes plus the number of parameters being sent this time.
 195                          */
 196
 197                         SIVAL(req->outbuf, smb_ntr_DataOffset,
 198                               ((smb_buf(req->outbuf)+alignment_offset) -
 199                                smb_base(req->outbuf))
 200                               + params_sent_thistime + data_alignment_offset);
 201                         SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
 202                 }
 203
 204                 /*
 205                  * Copy the param bytes into the packet.
 206                  */
 207
 208                 if(params_sent_thistime) {
 209                         if (alignment_offset != 0) {
 210                                 memset(smb_buf(req->outbuf), 0,
 211                                        alignment_offset);
 212                         }
 213                         memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
 214                                params_sent_thistime);
 215                 }
 216
 217                 /*
 218                  * Copy in the data bytes
 219                  */
 220
 221                 if(data_sent_thistime) {
 222                         if (data_alignment_offset != 0) {
 223                                 memset((smb_buf(req->outbuf)+alignment_offset+
 224                                         params_sent_thistime), 0,
 225                                        data_alignment_offset);
 226                         }
 227                         memcpy(smb_buf(req->outbuf)+alignment_offset
 228                                +params_sent_thistime+data_alignment_offset,
 229                                pd,data_sent_thistime);
 230                 }
 231
 232                 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
 233                         params_sent_thistime, data_sent_thistime, useable_space));
 234                 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
 235                         params_to_send, data_to_send, paramsize, datasize));
 236
 237                 if (NT_STATUS_V(nt_error)) {
 238                         error_packet_set((char *)req->outbuf,
 239                                          0, 0, nt_error,
 240                                          __LINE__,__FILE__);
 241                 }
 242
 243                 /* Send the packet */
 244                 show_msg((char *)req->outbuf);
 245                 if (!srv_send_smb(smbd_server_fd(),
 246                                 (char *)req->outbuf,
 247                                 true, req->seqnum+1,
 248                                 IS_CONN_ENCRYPTED(conn),
 249                                 &req->pcd)) {
 250                         exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
 251                 }
 252
 253                 TALLOC_FREE(req->outbuf);
 254
 255                 pp += params_sent_thistime;
 256                 pd += data_sent_thistime;
 257
 258                 params_to_send -= params_sent_thistime;
 259                 data_to_send -= data_sent_thistime;
 260
 261                 /*
 262                  * Sanity check
 263                  */
 264
 265                 if(params_to_send < 0 || data_to_send < 0) {
 266                         DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
 267                                 params_to_send, data_to_send));
 268                         exit_server_cleanly("send_nt_replies: internal error");
 269                 }
 270         }
 271 }
 272
 273 /****************************************************************************
 274  Reply to an NT create and X call on a pipe
 275 ****************************************************************************/
 276
 277 static void nt_open_pipe(char *fname, connection_struct *conn,
 278                          struct smb_request *req, int *ppnum)
 279 {
 280         files_struct *fsp;
 281         NTSTATUS status;
 282
 283         DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
 284
 285         /* Strip \\ off the name. */
 286         fname++;
 287
 288         status = open_np_file(req, fname, &fsp);
 289         if (!NT_STATUS_IS_OK(status)) {
 290                 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
 291                         reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
 292                                         ERRDOS, ERRbadpipe);
 293                         return;
 294                 }
 295                 reply_nterror(req, status);
 296                 return;
 297         }
 298
 299         *ppnum = fsp->fnum;
 300         return;
 301 }
 302
 303 /****************************************************************************
 304  Reply to an NT create and X call for pipes.
 305 ****************************************************************************/
 306
 307 static void do_ntcreate_pipe_open(connection_struct *conn,
 308                                   struct smb_request *req)
 309 {
 310         char *fname = NULL;
 311         int pnum = -1;
 312         char *p = NULL;
 313         uint32 flags = IVAL(req->vwv+3, 1);
 314         TALLOC_CTX *ctx = talloc_tos();
 315
 316         srvstr_pull_req_talloc(ctx, req, &fname, req->buf, STR_TERMINATE);
 317
 318         if (!fname) {
 319                 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
 320                                 ERRDOS, ERRbadpipe);
 321                 return;
 322         }
 323         nt_open_pipe(fname, conn, req, &pnum);
 324
 325         if (req->outbuf) {
 326                 /* error reply */
 327                 return;
 328         }
 329
 330         /*
 331          * Deal with pipe return.
 332          */
 333
 334         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 335                 /* This is very strange. We
 336                  * return 50 words, but only set
 337                  * the wcnt to 42 ? It's definately
 338                  * what happens on the wire....
 339                  */
 340                 reply_outbuf(req, 50, 0);
 341                 SCVAL(req->outbuf,smb_wct,42);
 342         } else {
 343                 reply_outbuf(req, 34, 0);
 344         }
 345
 346         p = (char *)req->outbuf + smb_vwv2;
 347         p++;
 348         SSVAL(p,0,pnum);
 349         p += 2;
 350         SIVAL(p,0,FILE_WAS_OPENED);
 351         p += 4;
 352         p += 32;
 353         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 354         p += 20;
 355         /* File type. */
 356         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 357         /* Device state. */
 358         SSVAL(p,2, 0x5FF); /* ? */
 359         p += 4;
 360
 361         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 362                 p += 25;
 363                 SIVAL(p,0,FILE_GENERIC_ALL);
 364                 /*
 365                  * For pipes W2K3 seems to return
 366                  * 0x12019B next.
 367                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
 368                  */
 369                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
 370         }
 371
 372         DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
 373
 374         chain_reply(req);
 375 }
 376
 377 struct case_semantics_state {
 378         connection_struct *conn;
 379         bool case_sensitive;
 380         bool case_preserve;
 381         bool short_case_preserve;
 382 };
 383
 384 /****************************************************************************
 385  Restore case semantics.
 386 ****************************************************************************/
 387
 388 static int restore_case_semantics(struct case_semantics_state *state)
 389 {
 390         state->conn->case_sensitive = state->case_sensitive;
 391         state->conn->case_preserve = state->case_preserve;
 392         state->conn->short_case_preserve = state->short_case_preserve;
 393         return 0;
 394 }
 395
 396 /****************************************************************************
 397  Save case semantics.
 398 ****************************************************************************/
 399
 400 static struct case_semantics_state *set_posix_case_semantics(TALLOC_CTX *mem_ctx,
 401                                                 connection_struct *conn)
 402 {
 403         struct case_semantics_state *result;
 404
 405         if (!(result = talloc(mem_ctx, struct case_semantics_state))) {
 406                 return NULL;
 407         }
 408
 409         result->conn = conn;
 410         result->case_sensitive = conn->case_sensitive;
 411         result->case_preserve = conn->case_preserve;
 412         result->short_case_preserve = conn->short_case_preserve;
 413
 414         /* Set to POSIX. */
 415         conn->case_sensitive = True;
 416         conn->case_preserve = True;
 417         conn->short_case_preserve = True;
 418
 419         talloc_set_destructor(result, restore_case_semantics);
 420
 421         return result;
 422 }
 423
 424 /****************************************************************************
 425  Reply to an NT create and X call.
 426 ****************************************************************************/
 427
 428 void reply_ntcreate_and_X(struct smb_request *req)
 429 {
 430         connection_struct *conn = req->conn;
 431         struct smb_filename *smb_fname = NULL;
 432         char *fname = NULL;
 433         uint32 flags;
 434         uint32 access_mask;
 435         uint32 file_attributes;
 436         uint32 share_access;
 437         uint32 create_disposition;
 438         uint32 create_options;
 439         uint16 root_dir_fid;
 440         uint64_t allocation_size;
 441         /* Breakout the oplock request bits so we can set the
 442            reply bits separately. */
 443         uint32 fattr=0;
 444         SMB_OFF_T file_len = 0;
 445         int info = 0;
 446         files_struct *fsp = NULL;
 447         char *p = NULL;
 448         struct timespec create_timespec;
 449         struct timespec c_timespec;
 450         struct timespec a_timespec;
 451         struct timespec m_timespec;
 452         struct timespec write_time_ts;
 453         NTSTATUS status;
 454         int oplock_request;
 455         uint8_t oplock_granted = NO_OPLOCK_RETURN;
 456         struct case_semantics_state *case_state = NULL;
 457         TALLOC_CTX *ctx = talloc_tos();
 458
 459         START_PROFILE(SMBntcreateX);
 460
 461         if (req->wct < 24) {
 462                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 463                 goto out;
 464         }
 465
 466         flags = IVAL(req->vwv+3, 1);
 467         access_mask = IVAL(req->vwv+7, 1);
 468         file_attributes = IVAL(req->vwv+13, 1);
 469         share_access = IVAL(req->vwv+15, 1);
 470         create_disposition = IVAL(req->vwv+17, 1);
 471         create_options = IVAL(req->vwv+19, 1);
 472         root_dir_fid = (uint16)IVAL(req->vwv+5, 1);
 473
 474         allocation_size = (uint64_t)IVAL(req->vwv+9, 1);
 475 #ifdef LARGE_SMB_OFF_T
 476         allocation_size |= (((uint64_t)IVAL(req->vwv+11, 1)) << 32);
 477 #endif
 478
 479         srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
 480                             STR_TERMINATE, &status);
 481
 482         if (!NT_STATUS_IS_OK(status)) {
 483                 reply_nterror(req, status);
 484                 goto out;
 485         }
 486
 487         DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
 488                   "file_attributes = 0x%x, share_access = 0x%x, "
 489                   "create_disposition = 0x%x create_options = 0x%x "
 490                   "root_dir_fid = 0x%x, fname = %s\n",
 491                         (unsigned int)flags,
 492                         (unsigned int)access_mask,
 493                         (unsigned int)file_attributes,
 494                         (unsigned int)share_access,
 495                         (unsigned int)create_disposition,
 496                         (unsigned int)create_options,
 497                         (unsigned int)root_dir_fid,
 498                         fname));
 499
 500         /*
 501          * we need to remove ignored bits when they come directly from the client
 502          * because we reuse some of them for internal stuff
 503          */
 504         create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
 505
 506         /*
 507          * If it's an IPC, use the pipe handler.
 508          */
 509
 510         if (IS_IPC(conn)) {
 511                 if (lp_nt_pipe_support()) {
 512                         do_ntcreate_pipe_open(conn, req);
 513                         goto out;
 514                 }
 515                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
 516                 goto out;
 517         }
 518
 519         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 520         if (oplock_request) {
 521                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
 522                         ? BATCH_OPLOCK : 0;
 523         }
 524
 525         if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
 526                 case_state = set_posix_case_semantics(ctx, conn);
 527                 if (!case_state) {
 528                         reply_nterror(req, NT_STATUS_NO_MEMORY);
 529                         goto out;
 530                 }
 531         }
 532
 533         status = filename_convert(ctx,
 534                                 conn,
 535                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
 536                                 fname,
 537                                 0,
 538                                 NULL,
 539                                 &smb_fname);
 540
 541         TALLOC_FREE(case_state);
 542
 543         if (!NT_STATUS_IS_OK(status)) {
 544                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
 545                         reply_botherror(req,
 546                                 NT_STATUS_PATH_NOT_COVERED,
 547                                 ERRSRV, ERRbadpath);
 548                         goto out;
 549                 }
 550                 reply_nterror(req, status);
 551                 goto out;
 552         }
 553
 554         /*
 555          * Bug #6898 - clients using Windows opens should
 556          * never be able to set this attribute into the
 557          * VFS.
 558          */
 559         file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
 560
 561         status = SMB_VFS_CREATE_FILE(
 562                 conn,                                   /* conn */
 563                 req,                                    /* req */
 564                 root_dir_fid,                           /* root_dir_fid */
 565                 smb_fname,                              /* fname */
 566                 access_mask,                            /* access_mask */
 567                 share_access,                           /* share_access */
 568                 create_disposition,                     /* create_disposition*/
 569                 create_options,                         /* create_options */
 570                 file_attributes,                        /* file_attributes */
 571                 oplock_request,                         /* oplock_request */
 572                 allocation_size,                        /* allocation_size */
 573                 0,                                      /* private_flags */
 574                 NULL,                                   /* sd */
 575                 NULL,                                   /* ea_list */
 576                 &fsp,                                   /* result */
 577                 &info);                                 /* pinfo */
 578
 579         if (!NT_STATUS_IS_OK(status)) {
 580                 if (open_was_deferred(req->mid)) {
 581                         /* We have re-scheduled this call, no error. */
 582                         goto out;
 583                 }
 584                 reply_openerror(req, status);
 585                 goto out;
 586         }
 587
 588         /* Ensure we're pointing at the correct stat struct. */
 589         TALLOC_FREE(smb_fname);
 590         smb_fname = fsp->fsp_name;
 591
 592         /*
 593          * If the caller set the extended oplock request bit
 594          * and we granted one (by whatever means) - set the
 595          * correct bit for extended oplock reply.
 596          */
 597
 598         if (oplock_request &&
 599             (lp_fake_oplocks(SNUM(conn))
 600              || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
 601
 602                 /*
 603                  * Exclusive oplock granted
 604                  */
 605
 606                 if (flags & REQUEST_BATCH_OPLOCK) {
 607                         oplock_granted = BATCH_OPLOCK_RETURN;
 608                 } else {
 609                         oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
 610                 }
 611         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
 612                 oplock_granted = LEVEL_II_OPLOCK_RETURN;
 613         } else {
 614                 oplock_granted = NO_OPLOCK_RETURN;
 615         }
 616
 617         file_len = smb_fname->st.st_ex_size;
 618
 619         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 620                 /* This is very strange. We
 621                  * return 50 words, but only set
 622                  * the wcnt to 42 ? It's definately
 623                  * what happens on the wire....
 624                  */
 625                 reply_outbuf(req, 50, 0);
 626                 SCVAL(req->outbuf,smb_wct,42);
 627         } else {
 628                 reply_outbuf(req, 34, 0);
 629         }
 630
 631         p = (char *)req->outbuf + smb_vwv2;
 632
 633         SCVAL(p, 0, oplock_granted);
 634
 635         p++;
 636         SSVAL(p,0,fsp->fnum);
 637         p += 2;
 638         if ((create_disposition == FILE_SUPERSEDE)
 639             && (info == FILE_WAS_OVERWRITTEN)) {
 640                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
 641         } else {
 642                 SIVAL(p,0,info);
 643         }
 644         p += 4;
 645
 646         fattr = dos_mode(conn, smb_fname);
 647         if (fattr == 0) {
 648                 fattr = FILE_ATTRIBUTE_NORMAL;
 649         }
 650
 651         /* Deal with other possible opens having a modified
 652            write time. JRA. */
 653         ZERO_STRUCT(write_time_ts);
 654         get_file_infos(fsp->file_id, NULL, &write_time_ts);
 655         if (!null_timespec(write_time_ts)) {
 656                 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
 657         }
 658
 659         /* Create time. */
 660         create_timespec = get_create_timespec(conn, fsp, smb_fname);
 661         a_timespec = smb_fname->st.st_ex_atime;
 662         m_timespec = smb_fname->st.st_ex_mtime;
 663         c_timespec = get_change_timespec(conn, fsp, smb_fname);
 664
 665         if (lp_dos_filetime_resolution(SNUM(conn))) {
 666                 dos_filetime_timespec(&create_timespec);
 667                 dos_filetime_timespec(&a_timespec);
 668                 dos_filetime_timespec(&m_timespec);
 669                 dos_filetime_timespec(&c_timespec);
 670         }
 671
 672         put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
 673         p += 8;
 674         put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
 675         p += 8;
 676         put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
 677         p += 8;
 678         put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
 679         p += 8;
 680         SIVAL(p,0,fattr); /* File Attributes. */
 681         p += 4;
 682         SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&smb_fname->st));
 683         p += 8;
 684         SOFF_T(p,0,file_len);
 685         p += 8;
 686         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 687                 uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
 688                 size_t num_names = 0;
 689                 unsigned int num_streams;
 690                 struct stream_struct *streams = NULL;
 691
 692                 /* Do we have any EA's ? */
 693                 status = get_ea_names_from_file(ctx, conn, fsp,
 694                                 smb_fname->base_name, NULL, &num_names);
 695                 if (NT_STATUS_IS_OK(status) && num_names) {
 696                         file_status &= ~NO_EAS;
 697                 }
 698                 status = SMB_VFS_STREAMINFO(conn, NULL, smb_fname->base_name, ctx,
 699                         &num_streams, &streams);
 700                 /* There is always one stream, ::$DATA. */
 701                 if (NT_STATUS_IS_OK(status) && num_streams > 1) {
 702                         file_status &= ~NO_SUBSTREAMS;
 703                 }
 704                 TALLOC_FREE(streams);
 705                 SSVAL(p,2,file_status);
 706         }
 707         p += 4;
 708         SCVAL(p,0,fsp->is_directory ? 1 : 0);
 709
 710         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 711                 uint32 perms = 0;
 712                 p += 25;
 713                 if (fsp->is_directory ||
 714                     can_write_to_file(conn, smb_fname)) {
 715                         perms = FILE_GENERIC_ALL;
 716                 } else {
 717                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
 718                 }
 719                 SIVAL(p,0,perms);
 720         }
 721
 722         DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
 723                 fsp->fnum, smb_fname_str_dbg(smb_fname)));
 724
 725         chain_reply(req);
 726  out:
 727         END_PROFILE(SMBntcreateX);
 728         return;
 729 }
 730
 731 /****************************************************************************
 732  Reply to a NT_TRANSACT_CREATE call to open a pipe.
 733 ****************************************************************************/
 734
 735 static void do_nt_transact_create_pipe(connection_struct *conn,
 736                                        struct smb_request *req,
 737                                        uint16 **ppsetup, uint32 setup_count,
 738                                        char **ppparams, uint32 parameter_count,
 739                                        char **ppdata, uint32 data_count)
 740 {
 741         char *fname = NULL;
 742         char *params = *ppparams;
 743         int pnum = -1;
 744         char *p = NULL;
 745         NTSTATUS status;
 746         size_t param_len;
 747         uint32 flags;
 748         TALLOC_CTX *ctx = talloc_tos();
 749
 750         /*
 751          * Ensure minimum number of parameters sent.
 752          */
 753
 754         if(parameter_count < 54) {
 755                 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
 756                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 757                 return;
 758         }
 759
 760         flags = IVAL(params,0);
 761
 762         srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
 763                         parameter_count-53, STR_TERMINATE,
 764                         &status);
 765         if (!NT_STATUS_IS_OK(status)) {
 766                 reply_nterror(req, status);
 767                 return;
 768         }
 769
 770         nt_open_pipe(fname, conn, req, &pnum);
 771
 772         if (req->outbuf) {
 773                 /* Error return */
 774                 return;
 775         }
 776
 777         /* Realloc the size of parameters and data we will return */
 778         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 779                 /* Extended response is 32 more byyes. */
 780                 param_len = 101;
 781         } else {
 782                 param_len = 69;
 783         }
 784         params = nttrans_realloc(ppparams, param_len);
 785         if(params == NULL) {
 786                 reply_nterror(req, NT_STATUS_NO_MEMORY);
 787                 return;
 788         }
 789
 790         p = params;
 791         SCVAL(p,0,NO_OPLOCK_RETURN);
 792
 793         p += 2;
 794         SSVAL(p,0,pnum);
 795         p += 2;
 796         SIVAL(p,0,FILE_WAS_OPENED);
 797         p += 8;
 798
 799         p += 32;
 800         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 801         p += 20;
 802         /* File type. */
 803         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 804         /* Device state. */
 805         SSVAL(p,2, 0x5FF); /* ? */
 806         p += 4;
 807
 808         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 809                 p += 25;
 810                 SIVAL(p,0,FILE_GENERIC_ALL);
 811                 /*
 812                  * For pipes W2K3 seems to return
 813                  * 0x12019B next.
 814                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
 815                  */
 816                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
 817         }
 818
 819         DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
 820
 821         /* Send the required number of replies */
 822         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
 823
 824         return;
 825 }
 826
 827 /****************************************************************************
 828  Internal fn to set security descriptors.
 829 ****************************************************************************/
 830
 831 static NTSTATUS set_sd(files_struct *fsp, uint8 *data, uint32 sd_len,
 832                        uint32 security_info_sent)
 833 {
 834         SEC_DESC *psd = NULL;
 835         NTSTATUS status;
 836
 837         if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
 838                 return NT_STATUS_OK;
 839         }
 840
 841         status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
 842
 843         if (!NT_STATUS_IS_OK(status)) {
 844                 return status;
 845         }
 846
 847         if (psd->owner_sid == NULL) {
 848                 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
 849         }
 850         if (psd->group_sid == NULL) {
 851                 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
 852         }
 853
 854         /* Convert all the generic bits. */
 855         security_acl_map_generic(psd->dacl, &file_generic_mapping);
 856         security_acl_map_generic(psd->sacl, &file_generic_mapping);
 857
 858         if (DEBUGLEVEL >= 10) {
 859                 DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp)));
 860                 NDR_PRINT_DEBUG(security_descriptor, psd);
 861         }
 862
 863         status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
 864
 865         TALLOC_FREE(psd);
 866
 867         return status;
 868 }
 869
 870 /****************************************************************************
 871  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
 872 ****************************************************************************/
 873
 874 struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
 875 {
 876         struct ea_list *ea_list_head = NULL;
 877         size_t offset = 0;
 878
 879         if (data_size < 4) {
 880                 return NULL;
 881         }
 882
 883         while (offset + 4 <= data_size) {
 884                 size_t next_offset = IVAL(pdata,offset);
 885                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
 886
 887                 if (!eal) {
 888                         return NULL;
 889                 }
 890
 891                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
 892                 if (next_offset == 0) {
 893                         break;
 894                 }
 895                 offset += next_offset;
 896         }
 897
 898         return ea_list_head;
 899 }
 900
 901 /****************************************************************************
 902  Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
 903 ****************************************************************************/
 904
 905 static void call_nt_transact_create(connection_struct *conn,
 906                                     struct smb_request *req,
 907                                     uint16 **ppsetup, uint32 setup_count,
 908                                     char **ppparams, uint32 parameter_count,
 909                                     char **ppdata, uint32 data_count,
 910                                     uint32 max_data_count)
 911 {
 912         struct smb_filename *smb_fname = NULL;
 913         char *fname = NULL;
 914         char *params = *ppparams;
 915         char *data = *ppdata;
 916         /* Breakout the oplock request bits so we can set the reply bits separately. */
 917         uint32 fattr=0;
 918         SMB_OFF_T file_len = 0;
 919         int info = 0;
 920         files_struct *fsp = NULL;
 921         char *p = NULL;
 922         uint32 flags;
 923         uint32 access_mask;
 924         uint32 file_attributes;
 925         uint32 share_access;
 926         uint32 create_disposition;
 927         uint32 create_options;
 928         uint32 sd_len;
 929         struct security_descriptor *sd = NULL;
 930         uint32 ea_len;
 931         uint16 root_dir_fid;
 932         struct timespec create_timespec;
 933         struct timespec c_timespec;
 934         struct timespec a_timespec;
 935         struct timespec m_timespec;
 936         struct timespec write_time_ts;
 937         struct ea_list *ea_list = NULL;
 938         NTSTATUS status;
 939         size_t param_len;
 940         uint64_t allocation_size;
 941         int oplock_request;
 942         uint8_t oplock_granted;
 943         struct case_semantics_state *case_state = NULL;
 944         TALLOC_CTX *ctx = talloc_tos();
 945
 946         DEBUG(5,("call_nt_transact_create\n"));
 947
 948         /*
 949          * If it's an IPC, use the pipe handler.
 950          */
 951
 952         if (IS_IPC(conn)) {
 953                 if (lp_nt_pipe_support()) {
 954                         do_nt_transact_create_pipe(
 955                                 conn, req,
 956                                 ppsetup, setup_count,
 957                                 ppparams, parameter_count,
 958                                 ppdata, data_count);
 959                         goto out;
 960                 }
 961                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
 962                 goto out;
 963         }
 964
 965         /*
 966          * Ensure minimum number of parameters sent.
 967          */
 968
 969         if(parameter_count < 54) {
 970                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
 971                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 972                 goto out;
 973         }
 974
 975         flags = IVAL(params,0);
 976         access_mask = IVAL(params,8);
 977         file_attributes = IVAL(params,20);
 978         share_access = IVAL(params,24);
 979         create_disposition = IVAL(params,28);
 980         create_options = IVAL(params,32);
 981         sd_len = IVAL(params,36);
 982         ea_len = IVAL(params,40);
 983         root_dir_fid = (uint16)IVAL(params,4);
 984         allocation_size = (uint64_t)IVAL(params,12);
 985 #ifdef LARGE_SMB_OFF_T
 986         allocation_size |= (((uint64_t)IVAL(params,16)) << 32);
 987 #endif
 988
 989         /*
 990          * we need to remove ignored bits when they come directly from the client
 991          * because we reuse some of them for internal stuff
 992          */
 993         create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
 994
 995         /* Ensure the data_len is correct for the sd and ea values given. */
 996         if ((ea_len + sd_len > data_count)
 997             || (ea_len > data_count) || (sd_len > data_count)
 998             || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
 999                 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
1000                            "%u, data_count = %u\n", (unsigned int)ea_len,
1001                            (unsigned int)sd_len, (unsigned int)data_count));
1002                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1003                 goto out;
1004         }
1005
1006         if (sd_len) {
1007                 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
1008                            sd_len));
1009
1010                 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
1011                                              &sd);
1012                 if (!NT_STATUS_IS_OK(status)) {
1013                         DEBUG(10, ("call_nt_transact_create: "
1014                                    "unmarshall_sec_desc failed: %s\n",
1015                                    nt_errstr(status)));
1016                         reply_nterror(req, status);
1017                         goto out;
1018                 }
1019         }
1020
1021         if (ea_len) {
1022                 if (!lp_ea_support(SNUM(conn))) {
1023                         DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
1024                                    "EA's not supported.\n",
1025                                    (unsigned int)ea_len));
1026                         reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1027                         goto out;
1028                 }
1029
1030                 if (ea_len < 10) {
1031                         DEBUG(10,("call_nt_transact_create - ea_len = %u - "
1032                                   "too small (should be more than 10)\n",
1033                                   (unsigned int)ea_len ));
1034                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1035                         goto out;
1036                 }
1037
1038                 /* We have already checked that ea_len <= data_count here. */
1039                 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
1040                                                ea_len);
1041                 if (ea_list == NULL) {
1042                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1043                         goto out;
1044                 }
1045         }
1046
1047         srvstr_get_path(ctx, params, req->flags2, &fname,
1048                         params+53, parameter_count-53,
1049                         STR_TERMINATE, &status);
1050         if (!NT_STATUS_IS_OK(status)) {
1051                 reply_nterror(req, status);
1052                 goto out;
1053         }
1054
1055         if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
1056                 case_state = set_posix_case_semantics(ctx, conn);
1057                 if (!case_state) {
1058                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1059                         goto out;
1060                 }
1061         }
1062
1063         status = filename_convert(ctx,
1064                                 conn,
1065                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
1066                                 fname,
1067                                 0,
1068                                 NULL,
1069                                 &smb_fname);
1070
1071         TALLOC_FREE(case_state);
1072
1073         if (!NT_STATUS_IS_OK(status)) {
1074                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1075                         reply_botherror(req,
1076                                 NT_STATUS_PATH_NOT_COVERED,
1077                                 ERRSRV, ERRbadpath);
1078                         goto out;
1079                 }
1080                 reply_nterror(req, status);
1081                 goto out;
1082         }
1083
1084         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1085         if (oplock_request) {
1086                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
1087                         ? BATCH_OPLOCK : 0;
1088         }
1089
1090         /*
1091          * Bug #6898 - clients using Windows opens should
1092          * never be able to set this attribute into the
1093          * VFS.
1094          */
1095         file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
1096
1097         status = SMB_VFS_CREATE_FILE(
1098                 conn,                                   /* conn */
1099                 req,                                    /* req */
1100                 root_dir_fid,                           /* root_dir_fid */
1101                 smb_fname,                              /* fname */
1102                 access_mask,                            /* access_mask */
1103                 share_access,                           /* share_access */
1104                 create_disposition,                     /* create_disposition*/
1105                 create_options,                         /* create_options */
1106                 file_attributes,                        /* file_attributes */
1107                 oplock_request,                         /* oplock_request */
1108                 allocation_size,                        /* allocation_size */
1109                 0,                                      /* private_flags */
1110                 sd,                                     /* sd */
1111                 ea_list,                                /* ea_list */
1112                 &fsp,                                   /* result */
1113                 &info);                                 /* pinfo */
1114
1115         if(!NT_STATUS_IS_OK(status)) {
1116                 if (open_was_deferred(req->mid)) {
1117                         /* We have re-scheduled this call, no error. */
1118                         return;
1119                 }
1120                 reply_openerror(req, status);
1121                 goto out;
1122         }
1123
1124         /* Ensure we're pointing at the correct stat struct. */
1125         TALLOC_FREE(smb_fname);
1126         smb_fname = fsp->fsp_name;
1127
1128         /*
1129          * If the caller set the extended oplock request bit
1130          * and we granted one (by whatever means) - set the
1131          * correct bit for extended oplock reply.
1132          */
1133
1134         if (oplock_request &&
1135             (lp_fake_oplocks(SNUM(conn))
1136              || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
1137
1138                 /*
1139                  * Exclusive oplock granted
1140                  */
1141
1142                 if (flags & REQUEST_BATCH_OPLOCK) {
1143                         oplock_granted = BATCH_OPLOCK_RETURN;
1144                 } else {
1145                         oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1146                 }
1147         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1148                 oplock_granted = LEVEL_II_OPLOCK_RETURN;
1149         } else {
1150                 oplock_granted = NO_OPLOCK_RETURN;
1151         }
1152
1153         file_len = smb_fname->st.st_ex_size;
1154
1155         /* Realloc the size of parameters and data we will return */
1156         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1157                 /* Extended response is 32 more byyes. */
1158                 param_len = 101;
1159         } else {
1160                 param_len = 69;
1161         }
1162         params = nttrans_realloc(ppparams, param_len);
1163         if(params == NULL) {
1164                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1165                 goto out;
1166         }
1167
1168         p = params;
1169         SCVAL(p, 0, oplock_granted);
1170
1171         p += 2;
1172         SSVAL(p,0,fsp->fnum);
1173         p += 2;
1174         if ((create_disposition == FILE_SUPERSEDE)
1175             && (info == FILE_WAS_OVERWRITTEN)) {
1176                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1177         } else {
1178                 SIVAL(p,0,info);
1179         }
1180         p += 8;
1181
1182         fattr = dos_mode(conn, smb_fname);
1183         if (fattr == 0) {
1184                 fattr = FILE_ATTRIBUTE_NORMAL;
1185         }
1186
1187         /* Deal with other possible opens having a modified
1188            write time. JRA. */
1189         ZERO_STRUCT(write_time_ts);
1190         get_file_infos(fsp->file_id, NULL, &write_time_ts);
1191         if (!null_timespec(write_time_ts)) {
1192                 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
1193         }
1194
1195         /* Create time. */
1196         create_timespec = get_create_timespec(conn, fsp, smb_fname);
1197         a_timespec = smb_fname->st.st_ex_atime;
1198         m_timespec = smb_fname->st.st_ex_mtime;
1199         c_timespec = get_change_timespec(conn, fsp, smb_fname);
1200
1201         if (lp_dos_filetime_resolution(SNUM(conn))) {
1202                 dos_filetime_timespec(&create_timespec);
1203                 dos_filetime_timespec(&a_timespec);
1204                 dos_filetime_timespec(&m_timespec);
1205                 dos_filetime_timespec(&c_timespec);
1206         }
1207
1208         put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
1209         p += 8;
1210         put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
1211         p += 8;
1212         put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
1213         p += 8;
1214         put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
1215         p += 8;
1216         SIVAL(p,0,fattr); /* File Attributes. */
1217         p += 4;
1218         SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn, fsp, &smb_fname->st));
1219         p += 8;
1220         SOFF_T(p,0,file_len);
1221         p += 8;
1222         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1223                 uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
1224                 size_t num_names = 0;
1225                 unsigned int num_streams;
1226                 struct stream_struct *streams = NULL;
1227
1228                 /* Do we have any EA's ? */
1229                 status = get_ea_names_from_file(ctx, conn, fsp,
1230                                 smb_fname->base_name, NULL, &num_names);
1231                 if (NT_STATUS_IS_OK(status) && num_names) {
1232                         file_status &= ~NO_EAS;
1233                 }
1234                 status = SMB_VFS_STREAMINFO(conn, NULL, smb_fname->base_name, ctx,
1235                         &num_streams, &streams);
1236                 /* There is always one stream, ::$DATA. */
1237                 if (NT_STATUS_IS_OK(status) && num_streams > 1) {
1238                         file_status &= ~NO_SUBSTREAMS;
1239                 }
1240                 TALLOC_FREE(streams);
1241                 SSVAL(p,2,file_status);
1242         }
1243         p += 4;
1244         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1245
1246         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1247                 uint32 perms = 0;
1248                 p += 25;
1249                 if (fsp->is_directory ||
1250                     can_write_to_file(conn, smb_fname)) {
1251                         perms = FILE_GENERIC_ALL;
1252                 } else {
1253                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
1254                 }
1255                 SIVAL(p,0,perms);
1256         }
1257
1258         DEBUG(5,("call_nt_transact_create: open name = %s\n",
1259                  smb_fname_str_dbg(smb_fname)));
1260
1261         /* Send the required number of replies */
1262         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1263  out:
1264         return;
1265 }
1266
1267 /****************************************************************************
1268  Reply to a NT CANCEL request.
1269  conn POINTER CAN BE NULL HERE !
1270 ****************************************************************************/
1271
1272 void reply_ntcancel(struct smb_request *req)
1273 {
1274         /*
1275          * Go through and cancel any pending change notifies.
1276          */
1277
1278         START_PROFILE(SMBntcancel);
1279         srv_cancel_sign_response(smbd_server_conn);
1280         remove_pending_change_notify_requests_by_mid(req->mid);
1281         remove_pending_lock_requests_by_mid(req->mid);
1282
1283         DEBUG(3,("reply_ntcancel: cancel called on mid = %llu.\n",
1284                 (unsigned long long)req->mid));
1285
1286         END_PROFILE(SMBntcancel);
1287         return;
1288 }
1289
1290 /****************************************************************************
1291  Copy a file.
1292 ****************************************************************************/
1293
1294 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1295                                 connection_struct *conn,
1296                                 struct smb_request *req,
1297                                 struct smb_filename *smb_fname_src,
1298                                 struct smb_filename *smb_fname_dst,
1299                                 uint32 attrs)
1300 {
1301         files_struct *fsp1,*fsp2;
1302         uint32 fattr;
1303         int info;
1304         SMB_OFF_T ret=-1;
1305         NTSTATUS status = NT_STATUS_OK;
1306         char *parent;
1307
1308         if (!CAN_WRITE(conn)) {
1309                 status = NT_STATUS_MEDIA_WRITE_PROTECTED;
1310                 goto out;
1311         }
1312
1313         /* Source must already exist. */
1314         if (!VALID_STAT(smb_fname_src->st)) {
1315                 status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
1316                 goto out;
1317         }
1318
1319         /* Ensure attributes match. */
1320         fattr = dos_mode(conn, smb_fname_src);
1321         if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1322                 status = NT_STATUS_NO_SUCH_FILE;
1323                 goto out;
1324         }
1325
1326         /* Disallow if dst file already exists. */
1327         if (VALID_STAT(smb_fname_dst->st)) {
1328                 status = NT_STATUS_OBJECT_NAME_COLLISION;
1329                 goto out;
1330         }
1331
1332         /* No links from a directory. */
1333         if (S_ISDIR(smb_fname_src->st.st_ex_mode)) {
1334                 status = NT_STATUS_FILE_IS_A_DIRECTORY;
1335                 goto out;
1336         }
1337
1338         DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1339                   smb_fname_str_dbg(smb_fname_src),
1340                   smb_fname_str_dbg(smb_fname_dst)));
1341
1342         status = SMB_VFS_CREATE_FILE(
1343                 conn,                                   /* conn */
1344                 req,                                    /* req */
1345                 0,                                      /* root_dir_fid */
1346                 smb_fname_src,                          /* fname */
1347                 FILE_READ_DATA,                         /* access_mask */
1348                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
1349                     FILE_SHARE_DELETE),
1350                 FILE_OPEN,                              /* create_disposition*/
1351                 0,                                      /* create_options */
1352                 FILE_ATTRIBUTE_NORMAL,                  /* file_attributes */
1353                 NO_OPLOCK,                              /* oplock_request */
1354                 0,                                      /* allocation_size */
1355                 0,                                      /* private_flags */
1356                 NULL,                                   /* sd */
1357                 NULL,                                   /* ea_list */
1358                 &fsp1,                                  /* result */
1359                 &info);                                 /* pinfo */
1360
1361         if (!NT_STATUS_IS_OK(status)) {
1362                 goto out;
1363         }
1364
1365         status = SMB_VFS_CREATE_FILE(
1366                 conn,                                   /* conn */
1367                 req,                                    /* req */
1368                 0,                                      /* root_dir_fid */
1369                 smb_fname_dst,                          /* fname */
1370                 FILE_WRITE_DATA,                        /* access_mask */
1371                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
1372                     FILE_SHARE_DELETE),
1373                 FILE_CREATE,                            /* create_disposition*/
1374                 0,                                      /* create_options */
1375                 fattr,                                  /* file_attributes */
1376                 NO_OPLOCK,                              /* oplock_request */
1377                 0,                                      /* allocation_size */
1378                 0,                                      /* private_flags */
1379                 NULL,                                   /* sd */
1380                 NULL,                                   /* ea_list */
1381                 &fsp2,                                  /* result */
1382                 &info);                                 /* pinfo */
1383
1384         if (!NT_STATUS_IS_OK(status)) {
1385                 close_file(NULL, fsp1, ERROR_CLOSE);
1386                 goto out;
1387         }
1388
1389         if (smb_fname_src->st.st_ex_size) {
1390                 ret = vfs_transfer_file(fsp1, fsp2, smb_fname_src->st.st_ex_size);
1391         }
1392
1393         /*
1394          * As we are opening fsp1 read-only we only expect
1395          * an error on close on fsp2 if we are out of space.
1396          * Thus we don't look at the error return from the
1397          * close of fsp1.
1398          */
1399         close_file(NULL, fsp1, NORMAL_CLOSE);
1400
1401         /* Ensure the modtime is set correctly on the destination file. */
1402         set_close_write_time(fsp2, smb_fname_src->st.st_ex_mtime);
1403
1404         status = close_file(NULL, fsp2, NORMAL_CLOSE);
1405
1406         /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1407            creates the file. This isn't the correct thing to do in the copy
1408            case. JRA */
1409         if (!parent_dirname(talloc_tos(), smb_fname_dst->base_name, &parent,
1410                             NULL)) {
1411                 status = NT_STATUS_NO_MEMORY;
1412                 goto out;
1413         }
1414         file_set_dosmode(conn, smb_fname_dst, fattr, parent, false);
1415         TALLOC_FREE(parent);
1416
1417         if (ret < (SMB_OFF_T)smb_fname_src->st.st_ex_size) {
1418                 status = NT_STATUS_DISK_FULL;
1419                 goto out;
1420         }
1421  out:
1422         if (!NT_STATUS_IS_OK(status)) {
1423                 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1424                         nt_errstr(status), smb_fname_str_dbg(smb_fname_src),
1425                         smb_fname_str_dbg(smb_fname_dst)));
1426         }
1427
1428         return status;
1429 }
1430
1431 /****************************************************************************
1432  Reply to a NT rename request.
1433 ****************************************************************************/
1434
1435 void reply_ntrename(struct smb_request *req)
1436 {
1437         connection_struct *conn = req->conn;
1438         struct smb_filename *smb_fname_old = NULL;
1439         struct smb_filename *smb_fname_new = NULL;
1440         char *oldname = NULL;
1441         char *newname = NULL;
1442         const char *p;
1443         NTSTATUS status;
1444         bool src_has_wcard = False;
1445         bool dest_has_wcard = False;
1446         uint32 attrs;
1447         uint32_t ucf_flags_src = 0;
1448         uint32_t ucf_flags_dst = 0;
1449         uint16 rename_type;
1450         TALLOC_CTX *ctx = talloc_tos();
1451
1452         START_PROFILE(SMBntrename);
1453
1454         if (req->wct < 4) {
1455                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1456                 goto out;
1457         }
1458
1459         attrs = SVAL(req->vwv+0, 0);
1460         rename_type = SVAL(req->vwv+1, 0);
1461
1462         p = (const char *)req->buf + 1;
1463         p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1464                                        &status, &src_has_wcard);
1465         if (!NT_STATUS_IS_OK(status)) {
1466                 reply_nterror(req, status);
1467                 goto out;
1468         }
1469
1470         if (ms_has_wild(oldname)) {
1471                 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1472                 goto out;
1473         }
1474
1475         p++;
1476         p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1477                                        &status, &dest_has_wcard);
1478         if (!NT_STATUS_IS_OK(status)) {
1479                 reply_nterror(req, status);
1480                 goto out;
1481         }
1482
1483         /* The newname must begin with a ':' if the oldname contains a ':'. */
1484         if (strchr_m(oldname, ':') && (newname[0] != ':')) {
1485                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1486                 goto out;
1487         }
1488
1489         /*
1490          * If this is a rename operation, allow wildcards and save the
1491          * destination's last component.
1492          */
1493         if (rename_type == RENAME_FLAG_RENAME) {
1494                 ucf_flags_src = UCF_COND_ALLOW_WCARD_LCOMP;
1495                 ucf_flags_dst = UCF_COND_ALLOW_WCARD_LCOMP | UCF_SAVE_LCOMP;
1496         }
1497
1498         /* rename_internals() calls unix_convert(), so don't call it here. */
1499         status = filename_convert(ctx, conn,
1500                                   req->flags2 & FLAGS2_DFS_PATHNAMES,
1501                                   oldname,
1502                                   ucf_flags_src,
1503                                   NULL,
1504                                   &smb_fname_old);
1505         if (!NT_STATUS_IS_OK(status)) {
1506                 if (NT_STATUS_EQUAL(status,
1507                                     NT_STATUS_PATH_NOT_COVERED)) {
1508                         reply_botherror(req,
1509                                         NT_STATUS_PATH_NOT_COVERED,
1510                                         ERRSRV, ERRbadpath);
1511                         goto out;
1512                 }
1513                 reply_nterror(req, status);
1514                 goto out;
1515         }
1516
1517         status = filename_convert(ctx, conn,
1518                                   req->flags2 & FLAGS2_DFS_PATHNAMES,
1519                                   newname,
1520                                   ucf_flags_dst,
1521                                   &dest_has_wcard,
1522                                   &smb_fname_new);
1523         if (!NT_STATUS_IS_OK(status)) {
1524                 if (NT_STATUS_EQUAL(status,
1525                                     NT_STATUS_PATH_NOT_COVERED)) {
1526                         reply_botherror(req,
1527                                         NT_STATUS_PATH_NOT_COVERED,
1528                                         ERRSRV, ERRbadpath);
1529                         goto out;
1530                 }
1531                 reply_nterror(req, status);
1532                 goto out;
1533         }
1534
1535         DEBUG(3,("reply_ntrename: %s -> %s\n",
1536                  smb_fname_str_dbg(smb_fname_old),
1537                  smb_fname_str_dbg(smb_fname_new)));
1538
1539         switch(rename_type) {
1540                 case RENAME_FLAG_RENAME:
1541                         status = rename_internals(ctx, conn, req,
1542                                                   smb_fname_old, smb_fname_new,
1543                                                   attrs, False, src_has_wcard,
1544                                                   dest_has_wcard,
1545                                                   DELETE_ACCESS);
1546                         break;
1547                 case RENAME_FLAG_HARD_LINK:
1548                         if (src_has_wcard || dest_has_wcard) {
1549                                 /* No wildcards. */
1550                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1551                         } else {
1552                                 status = hardlink_internals(ctx, conn,
1553                                                             smb_fname_old,
1554                                                             smb_fname_new);
1555                         }
1556                         break;
1557                 case RENAME_FLAG_COPY:
1558                         if (src_has_wcard || dest_has_wcard) {
1559                                 /* No wildcards. */
1560                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1561                         } else {
1562                                 status = copy_internals(ctx, conn, req,
1563                                                         smb_fname_old,
1564                                                         smb_fname_new,
1565                                                         attrs);
1566                         }
1567                         break;
1568                 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1569                         status = NT_STATUS_INVALID_PARAMETER;
1570                         break;
1571                 default:
1572                         status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1573                         break;
1574         }
1575
1576         if (!NT_STATUS_IS_OK(status)) {
1577                 if (open_was_deferred(req->mid)) {
1578                         /* We have re-scheduled this call. */
1579                         goto out;
1580                 }
1581
1582                 reply_nterror(req, status);
1583                 goto out;
1584         }
1585
1586         reply_outbuf(req, 0, 0);
1587  out:
1588         END_PROFILE(SMBntrename);
1589         return;
1590 }
1591
1592 /****************************************************************************
1593  Reply to a notify change - queue the request and
1594  don't allow a directory to be opened.
1595 ****************************************************************************/
1596
1597 static void smbd_smb1_notify_reply(struct smb_request *req,
1598                                    NTSTATUS error_code,
1599                                    uint8_t *buf, size_t len)
1600 {
1601         send_nt_replies(req->conn, req, error_code, (char *)buf, len, NULL, 0);
1602 }
1603
1604 static void call_nt_transact_notify_change(connection_struct *conn,
1605                                            struct smb_request *req,
1606                                            uint16 **ppsetup,
1607                                            uint32 setup_count,
1608                                            char **ppparams,
1609                                            uint32 parameter_count,
1610                                            char **ppdata, uint32 data_count,
1611                                            uint32 max_data_count,
1612                                            uint32 max_param_count)
1613 {
1614         uint16 *setup = *ppsetup;
1615         files_struct *fsp;
1616         uint32 filter;
1617         NTSTATUS status;
1618         bool recursive;
1619
1620         if(setup_count < 6) {
1621                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1622                 return;
1623         }
1624
1625         fsp = file_fsp(req, SVAL(setup,4));
1626         filter = IVAL(setup, 0);
1627         recursive = (SVAL(setup, 6) != 0) ? True : False;
1628
1629         DEBUG(3,("call_nt_transact_notify_change\n"));
1630
1631         if(!fsp) {
1632                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1633                 return;
1634         }
1635
1636         {
1637                 char *filter_string;
1638
1639                 if (!(filter_string = notify_filter_string(NULL, filter))) {
1640                         reply_nterror(req,NT_STATUS_NO_MEMORY);
1641                         return;
1642                 }
1643
1644                 DEBUG(3,("call_nt_transact_notify_change: notify change "
1645                          "called on %s, filter = %s, recursive = %d\n",
1646                          fsp_str_dbg(fsp), filter_string, recursive));
1647
1648                 TALLOC_FREE(filter_string);
1649         }
1650
1651         if((!fsp->is_directory) || (conn != fsp->conn)) {
1652                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1653                 return;
1654         }
1655
1656         if (fsp->notify == NULL) {
1657
1658                 status = change_notify_create(fsp, filter, recursive);
1659
1660                 if (!NT_STATUS_IS_OK(status)) {
1661                         DEBUG(10, ("change_notify_create returned %s\n",
1662                                    nt_errstr(status)));
1663                         reply_nterror(req, status);
1664                         return;
1665                 }
1666         }
1667
1668         if (fsp->notify->num_changes != 0) {
1669
1670                 /*
1671                  * We've got changes pending, respond immediately
1672                  */
1673
1674                 /*
1675                  * TODO: write a torture test to check the filtering behaviour
1676                  * here.
1677                  */
1678
1679                 change_notify_reply(fsp->conn, req,
1680                                     NT_STATUS_OK,
1681                                     max_param_count,
1682                                     fsp->notify,
1683                                     smbd_smb1_notify_reply);
1684
1685                 /*
1686                  * change_notify_reply() above has independently sent its
1687                  * results
1688                  */
1689                 return;
1690         }
1691
1692         /*
1693          * No changes pending, queue the request
1694          */
1695
1696         status = change_notify_add_request(req,
1697                         max_param_count,
1698                         filter,
1699                         recursive, fsp,
1700                         smbd_smb1_notify_reply);
1701         if (!NT_STATUS_IS_OK(status)) {
1702                 reply_nterror(req, status);
1703         }
1704         return;
1705 }
1706
1707 /****************************************************************************
1708  Reply to an NT transact rename command.
1709 ****************************************************************************/
1710
1711 static void call_nt_transact_rename(connection_struct *conn,
1712                                     struct smb_request *req,
1713                                     uint16 **ppsetup, uint32 setup_count,
1714                                     char **ppparams, uint32 parameter_count,
1715                                     char **ppdata, uint32 data_count,
1716                                     uint32 max_data_count)
1717 {
1718         char *params = *ppparams;
1719         char *new_name = NULL;
1720         files_struct *fsp = NULL;
1721         bool dest_has_wcard = False;
1722         NTSTATUS status;
1723         TALLOC_CTX *ctx = talloc_tos();
1724
1725         if(parameter_count < 5) {
1726                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1727                 return;
1728         }
1729
1730         fsp = file_fsp(req, SVAL(params, 0));
1731         if (!check_fsp(conn, req, fsp)) {
1732                 return;
1733         }
1734         srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1735                               parameter_count - 4,
1736                               STR_TERMINATE, &status, &dest_has_wcard);
1737         if (!NT_STATUS_IS_OK(status)) {
1738                 reply_nterror(req, status);
1739                 return;
1740         }
1741
1742         /*
1743          * W2K3 ignores this request as the RAW-RENAME test
1744          * demonstrates, so we do.
1745          */
1746         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1747
1748         DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1749                  fsp_str_dbg(fsp), new_name));
1750
1751         return;
1752 }
1753
1754 /******************************************************************************
1755  Fake up a completely empty SD.
1756 *******************************************************************************/
1757
1758 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1759 {
1760         size_t sd_size;
1761
1762         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1763         if(!*ppsd) {
1764                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1765                 return NT_STATUS_NO_MEMORY;
1766         }
1767
1768         return NT_STATUS_OK;
1769 }
1770
1771 /****************************************************************************
1772  Reply to query a security descriptor.
1773 ****************************************************************************/
1774
1775 static void call_nt_transact_query_security_desc(connection_struct *conn,
1776                                                  struct smb_request *req,
1777                                                  uint16 **ppsetup,
1778                                                  uint32 setup_count,
1779                                                  char **ppparams,
1780                                                  uint32 parameter_count,
1781                                                  char **ppdata,
1782                                                  uint32 data_count,
1783                                                  uint32 max_data_count)
1784 {
1785         char *params = *ppparams;
1786         char *data = *ppdata;
1787         SEC_DESC *psd = NULL;
1788         size_t sd_size;
1789         uint32 security_info_wanted;
1790         files_struct *fsp = NULL;
1791         NTSTATUS status;
1792         DATA_BLOB blob;
1793
1794         if(parameter_count < 8) {
1795                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1796                 return;
1797         }
1798
1799         fsp = file_fsp(req, SVAL(params,0));
1800         if(!fsp) {
1801                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1802                 return;
1803         }
1804
1805         security_info_wanted = IVAL(params,4);
1806
1807         DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
1808                  "info_wanted = 0x%x\n", fsp_str_dbg(fsp),
1809                  (unsigned int)security_info_wanted));
1810
1811         params = nttrans_realloc(ppparams, 4);
1812         if(params == NULL) {
1813                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1814                 return;
1815         }
1816
1817         /*
1818          * Get the permissions to return.
1819          */
1820
1821         if (!lp_nt_acl_support(SNUM(conn))) {
1822                 status = get_null_nt_acl(talloc_tos(), &psd);
1823         } else {
1824                 status = SMB_VFS_FGET_NT_ACL(
1825                         fsp, security_info_wanted, &psd);
1826         }
1827         if (!NT_STATUS_IS_OK(status)) {
1828                 reply_nterror(req, status);
1829                 return;
1830         }
1831
1832         /* If the SACL/DACL is NULL, but was requested, we mark that it is
1833          * present in the reply to match Windows behavior */
1834         if (psd->sacl == NULL &&
1835             security_info_wanted & SACL_SECURITY_INFORMATION)
1836                 psd->type |= SEC_DESC_SACL_PRESENT;
1837         if (psd->dacl == NULL &&
1838             security_info_wanted & DACL_SECURITY_INFORMATION)
1839                 psd->type |= SEC_DESC_DACL_PRESENT;
1840
1841         sd_size = ndr_size_security_descriptor(psd, NULL, 0);
1842
1843         DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1844
1845         if (DEBUGLEVEL >= 10) {
1846                 DEBUG(10,("call_nt_transact_query_security_desc for file %s\n",
1847                           fsp_str_dbg(fsp)));
1848                 NDR_PRINT_DEBUG(security_descriptor, psd);
1849         }
1850
1851         SIVAL(params,0,(uint32)sd_size);
1852
1853         if (max_data_count < sd_size) {
1854                 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1855                                 params, 4, *ppdata, 0);
1856                 return;
1857         }
1858
1859         /*
1860          * Allocate the data we will point this at.
1861          */
1862
1863         data = nttrans_realloc(ppdata, sd_size);
1864         if(data == NULL) {
1865                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1866                 return;
1867         }
1868
1869         status = marshall_sec_desc(talloc_tos(), psd,
1870                                    &blob.data, &blob.length);
1871
1872         if (!NT_STATUS_IS_OK(status)) {
1873                 reply_nterror(req, status);
1874                 return;
1875         }
1876
1877         SMB_ASSERT(sd_size == blob.length);
1878         memcpy(data, blob.data, sd_size);
1879
1880         send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1881
1882         return;
1883 }
1884
1885 /****************************************************************************
1886  Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1887 ****************************************************************************/
1888
1889 static void call_nt_transact_set_security_desc(connection_struct *conn,
1890                                                struct smb_request *req,
1891                                                uint16 **ppsetup,
1892                                                uint32 setup_count,
1893                                                char **ppparams,
1894                                                uint32 parameter_count,
1895                                                char **ppdata,
1896                                                uint32 data_count,
1897                                                uint32 max_data_count)
1898 {
1899         char *params= *ppparams;
1900         char *data = *ppdata;
1901         files_struct *fsp = NULL;
1902         uint32 security_info_sent = 0;
1903         NTSTATUS status;
1904
1905         if(parameter_count < 8) {
1906                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1907                 return;
1908         }
1909
1910         if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
1911                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1912                 return;
1913         }
1914
1915         if(!lp_nt_acl_support(SNUM(conn))) {
1916                 goto done;
1917         }
1918
1919         security_info_sent = IVAL(params,4);
1920
1921         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
1922                  fsp_str_dbg(fsp), (unsigned int)security_info_sent));
1923
1924         if (data_count == 0) {
1925                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1926                 return;
1927         }
1928
1929         status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
1930
1931         if (!NT_STATUS_IS_OK(status)) {
1932                 reply_nterror(req, status);
1933                 return;
1934         }
1935
1936   done:
1937         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1938         return;
1939 }
1940
1941 /****************************************************************************
1942  Reply to NT IOCTL
1943 ****************************************************************************/
1944
1945 static void call_nt_transact_ioctl(connection_struct *conn,
1946                                    struct smb_request *req,
1947                                    uint16 **ppsetup, uint32 setup_count,
1948                                    char **ppparams, uint32 parameter_count,
1949                                    char **ppdata, uint32 data_count,
1950                                    uint32 max_data_count)
1951 {
1952         uint32 function;
1953         uint16 fidnum;
1954         files_struct *fsp;
1955         uint8 isFSctl;
1956         uint8 compfilter;
1957         char *pdata = *ppdata;
1958
1959         if (setup_count != 8) {
1960                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1961                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1962                 return;
1963         }
1964
1965         function = IVAL(*ppsetup, 0);
1966         fidnum = SVAL(*ppsetup, 4);
1967         isFSctl = CVAL(*ppsetup, 6);
1968         compfilter = CVAL(*ppsetup, 7);
1969
1970         DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
1971                  function, fidnum, isFSctl, compfilter));
1972
1973         fsp=file_fsp(req, fidnum);
1974         /* this check is done in each implemented function case for now
1975            because I don't want to break anything... --metze
1976         FSP_BELONGS_CONN(fsp,conn);*/
1977
1978         SMB_PERFCOUNT_SET_IOCTL(&req->pcd, function);
1979
1980         switch (function) {
1981         case FSCTL_SET_SPARSE:
1982                 /* pretend this succeeded - tho strictly we should
1983                    mark the file sparse (if the local fs supports it)
1984                    so we can know if we need to pre-allocate or not */
1985
1986                 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
1987                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1988                 return;
1989
1990         case FSCTL_CREATE_OR_GET_OBJECT_ID:
1991         {
1992                 unsigned char objid[16];
1993
1994                 /* This should return the object-id on this file.
1995                  * I think I'll make this be the inode+dev. JRA.
1996                  */
1997
1998                 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
1999
2000                 if (!fsp_belongs_conn(conn, req, fsp)) {
2001                         return;
2002                 }
2003
2004                 data_count = 64;
2005                 pdata = nttrans_realloc(ppdata, data_count);
2006                 if (pdata == NULL) {
2007                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2008                         return;
2009                 }
2010
2011                 /* For backwards compatibility only store the dev/inode. */
2012                 push_file_id_16(pdata, &fsp->file_id);
2013                 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
2014                 push_file_id_16(pdata+32, &fsp->file_id);
2015                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2016                                 pdata, data_count);
2017                 return;
2018         }
2019
2020         case FSCTL_GET_REPARSE_POINT:
2021                 /* pretend this fail - my winXP does it like this
2022                  * --metze
2023                  */
2024
2025                 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2026                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2027                 return;
2028
2029         case FSCTL_SET_REPARSE_POINT:
2030                 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2031                  * --metze
2032                  */
2033
2034                 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2035                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2036                 return;
2037
2038         case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2039         {
2040                 /*
2041                  * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2042                  * and return their volume names.  If max_data_count is 16, then it is just
2043                  * asking for the number of volumes and length of the combined names.
2044                  *
2045                  * pdata is the data allocated by our caller, but that uses
2046                  * total_data_count (which is 0 in our case) rather than max_data_count.
2047                  * Allocate the correct amount and return the pointer to let
2048                  * it be deallocated when we return.
2049                  */
2050                 SHADOW_COPY_DATA *shadow_data = NULL;
2051                 TALLOC_CTX *shadow_mem_ctx = NULL;
2052                 bool labels = False;
2053                 uint32 labels_data_count = 0;
2054                 uint32 i;
2055                 char *cur_pdata;
2056
2057                 if (!fsp_belongs_conn(conn, req, fsp)) {
2058                         return;
2059                 }
2060
2061                 if (max_data_count < 16) {
2062                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2063                                 max_data_count));
2064                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2065                         return;
2066                 }
2067
2068                 if (max_data_count > 16) {
2069                         labels = True;
2070                 }
2071
2072                 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2073                 if (shadow_mem_ctx == NULL) {
2074                         DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2075                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2076                         return;
2077                 }
2078
2079                 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2080                 if (shadow_data == NULL) {
2081                         DEBUG(0,("TALLOC_ZERO() failed!\n"));
2082                         talloc_destroy(shadow_mem_ctx);
2083                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2084                         return;
2085                 }
2086
2087                 shadow_data->mem_ctx = shadow_mem_ctx;
2088
2089                 /*
2090                  * Call the VFS routine to actually do the work.
2091                  */
2092                 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2093                         talloc_destroy(shadow_data->mem_ctx);
2094                         if (errno == ENOSYS) {
2095                                 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2096                                         conn->connectpath));
2097                                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2098                                 return;
2099                         } else {
2100                                 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2101                                         conn->connectpath));
2102                                 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
2103                                 return;
2104                         }
2105                 }
2106
2107                 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2108
2109                 if (!labels) {
2110                         data_count = 16;
2111                 } else {
2112                         data_count = 12+labels_data_count+4;
2113                 }
2114
2115                 if (max_data_count<data_count) {
2116                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2117                                 max_data_count,data_count));
2118                         talloc_destroy(shadow_data->mem_ctx);
2119                         reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
2120                         return;
2121                 }
2122
2123                 pdata = nttrans_realloc(ppdata, data_count);
2124                 if (pdata == NULL) {
2125                         talloc_destroy(shadow_data->mem_ctx);
2126                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2127                         return;
2128                 }
2129
2130                 cur_pdata = pdata;
2131
2132                 /* num_volumes 4 bytes */
2133                 SIVAL(pdata,0,shadow_data->num_volumes);
2134
2135                 if (labels) {
2136                         /* num_labels 4 bytes */
2137                         SIVAL(pdata,4,shadow_data->num_volumes);
2138                 }
2139
2140                 /* needed_data_count 4 bytes */
2141                 SIVAL(pdata, 8, labels_data_count+4);
2142
2143                 cur_pdata+=12;
2144
2145                 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2146                           shadow_data->num_volumes, fsp_str_dbg(fsp)));
2147                 if (labels && shadow_data->labels) {
2148                         for (i=0;i<shadow_data->num_volumes;i++) {
2149                                 srvstr_push(pdata, req->flags2,
2150                                             cur_pdata, shadow_data->labels[i],
2151                                             2*sizeof(SHADOW_COPY_LABEL),
2152                                             STR_UNICODE|STR_TERMINATE);
2153                                 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2154                                 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2155                         }
2156                 }
2157
2158                 talloc_destroy(shadow_data->mem_ctx);
2159
2160                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2161                                 pdata, data_count);
2162
2163                 return;
2164         }
2165
2166         case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2167         {
2168                 /* pretend this succeeded -
2169                  *
2170                  * we have to send back a list with all files owned by this SID
2171                  *
2172                  * but I have to check that --metze
2173                  */
2174                 DOM_SID sid;
2175                 uid_t uid;
2176                 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2177
2178                 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2179
2180                 if (!fsp_belongs_conn(conn, req, fsp)) {
2181                         return;
2182                 }
2183
2184                 /* unknown 4 bytes: this is not the length of the sid :-(  */
2185                 /*unknown = IVAL(pdata,0);*/
2186
2187                 sid_parse(pdata+4,sid_len,&sid);
2188                 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
2189
2190                 if (!sid_to_uid(&sid, &uid)) {
2191                         DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2192                                  sid_string_dbg(&sid),
2193                                  (unsigned long)sid_len));
2194                         uid = (-1);
2195                 }
2196
2197                 /* we can take a look at the find source :-)
2198                  *
2199                  * find ./ -uid $uid  -name '*'   is what we need here
2200                  *
2201                  *
2202                  * and send 4bytes len and then NULL terminated unicode strings
2203                  * for each file
2204                  *
2205                  * but I don't know how to deal with the paged results
2206                  * (maybe we can hang the result anywhere in the fsp struct)
2207                  *
2208                  * we don't send all files at once
2209                  * and at the next we should *not* start from the beginning,
2210                  * so we have to cache the result
2211                  *
2212                  * --metze
2213                  */
2214
2215                 /* this works for now... */
2216                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2217                 return;
2218         }
2219         case FSCTL_QUERY_ALLOCATED_RANGES:
2220         {
2221                 /* FIXME: This is just a dummy reply, telling that all of the
2222                  * file is allocated. MKS cp needs that.
2223                  * Adding the real allocated ranges via FIEMAP on Linux
2224                  * and SEEK_DATA/SEEK_HOLE on Solaris is needed to make
2225                  * this FSCTL correct for sparse files.
2226                  */
2227                 NTSTATUS status;
2228                 uint64_t offset, length;
2229
2230                 if (!fsp_belongs_conn(conn, req, fsp)) {
2231                         return;
2232                 }
2233
2234                 if (data_count != 16) {
2235                         DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: data_count(%u) != 16 is invalid!\n",
2236                                 data_count));
2237                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2238                         return;
2239                 }
2240
2241                 if (max_data_count < 16) {
2242                         DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: max_data_count(%u) < 16 is invalid!\n",
2243                                 max_data_count));
2244                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2245                         return;
2246                 }
2247
2248                 offset = BVAL(pdata,0);
2249                 length = BVAL(pdata,8);
2250
2251                 if (offset + length < offset) {
2252                         /* No 64-bit integer wrap. */
2253                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2254                         return;
2255                 }
2256
2257                 status = vfs_stat_fsp(fsp);
2258                 if (!NT_STATUS_IS_OK(status)) {
2259                         reply_nterror(req, status);
2260                         return;
2261                 }
2262
2263                 if (offset > fsp->fsp_name->st.st_ex_size ||
2264                                 fsp->fsp_name->st.st_ex_size == 0 ||
2265                                 length == 0) {
2266                         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2267                 } else {
2268                         uint64_t end = offset + length;
2269                         end = MIN(end, fsp->fsp_name->st.st_ex_size);
2270                         SBVAL(pdata,0,0);
2271                         SBVAL(pdata,8,end);
2272                         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2273                                 pdata, 16);
2274                 }
2275                 return;
2276         }
2277         default:
2278                 if (!logged_ioctl_message) {
2279                         logged_ioctl_message = true; /* Only print this once... */
2280                         DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2281                                  function));
2282                 }
2283         }
2284
2285         reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2286 }
2287
2288
2289 #ifdef HAVE_SYS_QUOTAS
2290 /****************************************************************************
2291  Reply to get user quota
2292 ****************************************************************************/
2293
2294 static void call_nt_transact_get_user_quota(connection_struct *conn,
2295                                             struct smb_request *req,
2296                                             uint16 **ppsetup,
2297                                             uint32 setup_count,
2298                                             char **ppparams,
2299                                             uint32 parameter_count,
2300                                             char **ppdata,
2301                                             uint32 data_count,
2302                                             uint32 max_data_count)
2303 {
2304         NTSTATUS nt_status = NT_STATUS_OK;
2305         char *params = *ppparams;
2306         char *pdata = *ppdata;
2307         char *entry;
2308         int data_len=0,param_len=0;
2309         int qt_len=0;
2310         int entry_len = 0;
2311         files_struct *fsp = NULL;
2312         uint16 level = 0;
2313         size_t sid_len;
2314         DOM_SID sid;
2315         bool start_enum = True;
2316         SMB_NTQUOTA_STRUCT qt;
2317         SMB_NTQUOTA_LIST *tmp_list;
2318         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2319
2320         ZERO_STRUCT(qt);
2321
2322         /* access check */
2323         if (conn->server_info->utok.uid != 0) {
2324                 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2325                          "[%s]\n", lp_servicename(SNUM(conn)),
2326                          conn->server_info->unix_name));
2327                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2328                 return;
2329         }
2330
2331         /*
2332          * Ensure minimum number of parameters sent.
2333          */
2334
2335         if (parameter_count < 4) {
2336                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2337                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2338                 return;
2339         }
2340
2341         /* maybe we can check the quota_fnum */
2342         fsp = file_fsp(req, SVAL(params,0));
2343         if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2344                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2345                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2346                 return;
2347         }
2348
2349         /* the NULL pointer checking for fsp->fake_file_handle->pd
2350          * is done by CHECK_NTQUOTA_HANDLE_OK()
2351          */
2352         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2353
2354         level = SVAL(params,2);
2355
2356         /* unknown 12 bytes leading in params */
2357
2358         switch (level) {
2359                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2360                         /* seems that we should continue with the enum here --metze */
2361
2362                         if (qt_handle->quota_list!=NULL &&
2363                             qt_handle->tmp_list==NULL) {
2364
2365                                 /* free the list */
2366                                 free_ntquota_list(&(qt_handle->quota_list));
2367
2368                                 /* Realloc the size of parameters and data we will return */
2369                                 param_len = 4;
2370                                 params = nttrans_realloc(ppparams, param_len);
2371                                 if(params == NULL) {
2372                                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2373                                         return;
2374                                 }
2375
2376                                 data_len = 0;
2377                                 SIVAL(params,0,data_len);
2378
2379                                 break;
2380                         }
2381
2382                         start_enum = False;
2383
2384                 case TRANSACT_GET_USER_QUOTA_LIST_START:
2385
2386                         if (qt_handle->quota_list==NULL &&
2387                                 qt_handle->tmp_list==NULL) {
2388                                 start_enum = True;
2389                         }
2390
2391                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2392                                 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2393                                 return;
2394                         }
2395
2396                         /* Realloc the size of parameters and data we will return */
2397                         param_len = 4;
2398                         params = nttrans_realloc(ppparams, param_len);
2399                         if(params == NULL) {
2400                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2401                                 return;
2402                         }
2403
2404                         /* we should not trust the value in max_data_count*/
2405                         max_data_count = MIN(max_data_count,2048);
2406
2407                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2408                         if(pdata == NULL) {
2409                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2410                                 return;
2411                         }
2412
2413                         entry = pdata;
2414
2415                         /* set params Size of returned Quota Data 4 bytes*/
2416                         /* but set it later when we know it */
2417
2418                         /* for each entry push the data */
2419
2420                         if (start_enum) {
2421                                 qt_handle->tmp_list = qt_handle->quota_list;
2422                         }
2423
2424                         tmp_list = qt_handle->tmp_list;
2425
2426                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2427                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2428
2429                                 sid_len = ndr_size_dom_sid(
2430                                         &tmp_list->quotas->sid, NULL, 0);
2431                                 entry_len = 40 + sid_len;
2432
2433                                 /* nextoffset entry 4 bytes */
2434                                 SIVAL(entry,0,entry_len);
2435
2436                                 /* then the len of the SID 4 bytes */
2437                                 SIVAL(entry,4,sid_len);
2438
2439                                 /* unknown data 8 bytes uint64_t */
2440                                 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2441
2442                                 /* the used disk space 8 bytes uint64_t */
2443                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2444
2445                                 /* the soft quotas 8 bytes uint64_t */
2446                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2447
2448                                 /* the hard quotas 8 bytes uint64_t */
2449                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2450
2451                                 /* and now the SID */
2452                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2453                         }
2454
2455                         qt_handle->tmp_list = tmp_list;
2456
2457                         /* overwrite the offset of the last entry */
2458                         SIVAL(entry-entry_len,0,0);
2459
2460                         data_len = 4+qt_len;
2461                         /* overwrite the params quota_data_len */
2462                         SIVAL(params,0,data_len);
2463
2464                         break;
2465
2466                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2467
2468                         /* unknown 4 bytes IVAL(pdata,0) */
2469
2470                         if (data_count < 8) {
2471                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2472                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2473                                 return;
2474                         }
2475
2476                         sid_len = IVAL(pdata,4);
2477                         /* Ensure this is less than 1mb. */
2478                         if (sid_len > (1024*1024)) {
2479                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2480                                 return;
2481                         }
2482
2483                         if (data_count < 8+sid_len) {
2484                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2485                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2486                                 return;
2487                         }
2488
2489                         data_len = 4+40+sid_len;
2490
2491                         if (max_data_count < data_len) {
2492                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2493                                         max_data_count, data_len));
2494                                 param_len = 4;
2495                                 SIVAL(params,0,data_len);
2496                                 data_len = 0;
2497                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2498                                 break;
2499                         }
2500
2501                         sid_parse(pdata+8,sid_len,&sid);
2502
2503                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2504                                 ZERO_STRUCT(qt);
2505                                 /*
2506                                  * we have to return zero's in all fields
2507                                  * instead of returning an error here
2508                                  * --metze
2509                                  */
2510                         }
2511
2512                         /* Realloc the size of parameters and data we will return */
2513                         param_len = 4;
2514                         params = nttrans_realloc(ppparams, param_len);
2515                         if(params == NULL) {
2516                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2517                                 return;
2518                         }
2519
2520                         pdata = nttrans_realloc(ppdata, data_len);
2521                         if(pdata == NULL) {
2522                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2523                                 return;
2524                         }
2525
2526                         entry = pdata;
2527
2528                         /* set params Size of returned Quota Data 4 bytes*/
2529                         SIVAL(params,0,data_len);
2530
2531                         /* nextoffset entry 4 bytes */
2532                         SIVAL(entry,0,0);
2533
2534                         /* then the len of the SID 4 bytes */
2535                         SIVAL(entry,4,sid_len);
2536
2537                         /* unknown data 8 bytes uint64_t */
2538                         SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2539
2540                         /* the used disk space 8 bytes uint64_t */
2541                         SBIG_UINT(entry,16,qt.usedspace);
2542
2543                         /* the soft quotas 8 bytes uint64_t */
2544                         SBIG_UINT(entry,24,qt.softlim);
2545
2546                         /* the hard quotas 8 bytes uint64_t */
2547                         SBIG_UINT(entry,32,qt.hardlim);
2548
2549                         /* and now the SID */
2550                         sid_linearize(entry+40, sid_len, &sid);
2551
2552                         break;
2553
2554                 default:
2555                         DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2556                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2557                         return;
2558                         break;
2559         }
2560
2561         send_nt_replies(conn, req, nt_status, params, param_len,
2562                         pdata, data_len);
2563 }
2564
2565 /****************************************************************************
2566  Reply to set user quota
2567 ****************************************************************************/
2568
2569 static void call_nt_transact_set_user_quota(connection_struct *conn,
2570                                             struct smb_request *req,
2571                                             uint16 **ppsetup,
2572                                             uint32 setup_count,
2573                                             char **ppparams,
2574                                             uint32 parameter_count,
2575                                             char **ppdata,
2576                                             uint32 data_count,
2577                                             uint32 max_data_count)
2578 {
2579         char *params = *ppparams;
2580         char *pdata = *ppdata;
2581         int data_len=0,param_len=0;
2582         SMB_NTQUOTA_STRUCT qt;
2583         size_t sid_len;
2584         DOM_SID sid;
2585         files_struct *fsp = NULL;
2586
2587         ZERO_STRUCT(qt);
2588
2589         /* access check */
2590         if (conn->server_info->utok.uid != 0) {
2591                 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2592                          "[%s]\n", lp_servicename(SNUM(conn)),
2593                          conn->server_info->unix_name));
2594                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2595                 return;
2596         }
2597
2598         /*
2599          * Ensure minimum number of parameters sent.
2600          */
2601
2602         if (parameter_count < 2) {
2603                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2604                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2605                 return;
2606         }
2607
2608         /* maybe we can check the quota_fnum */
2609         fsp = file_fsp(req, SVAL(params,0));
2610         if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2611                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2612                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2613                 return;
2614         }
2615
2616         if (data_count < 40) {
2617                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2618                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2619                 return;
2620         }
2621
2622         /* offset to next quota record.
2623          * 4 bytes IVAL(pdata,0)
2624          * unused here...
2625          */
2626
2627         /* sid len */
2628         sid_len = IVAL(pdata,4);
2629
2630         if (data_count < 40+sid_len) {
2631                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2632                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2633                 return;
2634         }
2635
2636         /* unknown 8 bytes in pdata
2637          * maybe its the change time in NTTIME
2638          */
2639
2640         /* the used space 8 bytes (uint64_t)*/
2641         qt.usedspace = (uint64_t)IVAL(pdata,16);
2642 #ifdef LARGE_SMB_OFF_T
2643         qt.usedspace |= (((uint64_t)IVAL(pdata,20)) << 32);
2644 #else /* LARGE_SMB_OFF_T */
2645         if ((IVAL(pdata,20) != 0)&&
2646                 ((qt.usedspace != 0xFFFFFFFF)||
2647                 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2648                 /* more than 32 bits? */
2649                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2650                 return;
2651         }
2652 #endif /* LARGE_SMB_OFF_T */
2653
2654         /* the soft quotas 8 bytes (uint64_t)*/
2655         qt.softlim = (uint64_t)IVAL(pdata,24);
2656 #ifdef LARGE_SMB_OFF_T
2657         qt.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
2658 #else /* LARGE_SMB_OFF_T */
2659         if ((IVAL(pdata,28) != 0)&&
2660                 ((qt.softlim != 0xFFFFFFFF)||
2661                 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2662                 /* more than 32 bits? */
2663                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2664                 return;
2665         }
2666 #endif /* LARGE_SMB_OFF_T */
2667
2668         /* the hard quotas 8 bytes (uint64_t)*/
2669         qt.hardlim = (uint64_t)IVAL(pdata,32);
2670 #ifdef LARGE_SMB_OFF_T
2671         qt.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
2672 #else /* LARGE_SMB_OFF_T */
2673         if ((IVAL(pdata,36) != 0)&&
2674                 ((qt.hardlim != 0xFFFFFFFF)||
2675                 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2676                 /* more than 32 bits? */
2677                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2678                 return;
2679         }
2680 #endif /* LARGE_SMB_OFF_T */
2681
2682         sid_parse(pdata+40,sid_len,&sid);
2683         DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2684
2685         /* 44 unknown bytes left... */
2686
2687         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2688                 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2689                 return;
2690         }
2691
2692         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2693                         pdata, data_len);
2694 }
2695 #endif /* HAVE_SYS_QUOTAS */
2696
2697 static void handle_nttrans(connection_struct *conn,
2698                            struct trans_state *state,
2699                            struct smb_request *req)
2700 {
2701         if (get_Protocol() >= PROTOCOL_NT1) {
2702                 req->flags2 |= 0x40; /* IS_LONG_NAME */
2703                 SSVAL(req->inbuf,smb_flg2,req->flags2);
2704         }
2705
2706
2707         SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
2708
2709         /* Now we must call the relevant NT_TRANS function */
2710         switch(state->call) {
2711                 case NT_TRANSACT_CREATE:
2712                 {
2713                         START_PROFILE(NT_transact_create);
2714                         call_nt_transact_create(
2715                                 conn, req,
2716                                 &state->setup, state->setup_count,
2717                                 &state->param, state->total_param,
2718                                 &state->data, state->total_data,
2719                                 state->max_data_return);
2720                         END_PROFILE(NT_transact_create);
2721                         break;
2722                 }
2723
2724                 case NT_TRANSACT_IOCTL:
2725                 {
2726                         START_PROFILE(NT_transact_ioctl);
2727                         call_nt_transact_ioctl(
2728                                 conn, req,
2729                                 &state->setup, state->setup_count,
2730                                 &state->param, state->total_param,
2731                                 &state->data, state->total_data,
2732                                 state->max_data_return);
2733                         END_PROFILE(NT_transact_ioctl);
2734                         break;
2735                 }
2736
2737                 case NT_TRANSACT_SET_SECURITY_DESC:
2738                 {
2739                         START_PROFILE(NT_transact_set_security_desc);
2740                         call_nt_transact_set_security_desc(
2741                                 conn, req,
2742                                 &state->setup, state->setup_count,
2743                                 &state->param, state->total_param,
2744                                 &state->data, state->total_data,
2745                                 state->max_data_return);
2746                         END_PROFILE(NT_transact_set_security_desc);
2747                         break;
2748                 }
2749
2750                 case NT_TRANSACT_NOTIFY_CHANGE:
2751                 {
2752                         START_PROFILE(NT_transact_notify_change);
2753                         call_nt_transact_notify_change(
2754                                 conn, req,
2755                                 &state->setup, state->setup_count,
2756                                 &state->param, state->total_param,
2757                                 &state->data, state->total_data,
2758                                 state->max_data_return,
2759                                 state->max_param_return);
2760                         END_PROFILE(NT_transact_notify_change);
2761                         break;
2762                 }
2763
2764                 case NT_TRANSACT_RENAME:
2765                 {
2766                         START_PROFILE(NT_transact_rename);
2767                         call_nt_transact_rename(
2768                                 conn, req,
2769                                 &state->setup, state->setup_count,
2770                                 &state->param, state->total_param,
2771                                 &state->data, state->total_data,
2772                                 state->max_data_return);
2773                         END_PROFILE(NT_transact_rename);
2774                         break;
2775                 }
2776
2777                 case NT_TRANSACT_QUERY_SECURITY_DESC:
2778                 {
2779                         START_PROFILE(NT_transact_query_security_desc);
2780                         call_nt_transact_query_security_desc(
2781                                 conn, req,
2782                                 &state->setup, state->setup_count,
2783                                 &state->param, state->total_param,
2784                                 &state->data, state->total_data,
2785                                 state->max_data_return);
2786                         END_PROFILE(NT_transact_query_security_desc);
2787                         break;
2788                 }
2789
2790 #ifdef HAVE_SYS_QUOTAS
2791                 case NT_TRANSACT_GET_USER_QUOTA:
2792                 {
2793                         START_PROFILE(NT_transact_get_user_quota);
2794                         call_nt_transact_get_user_quota(
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_get_user_quota);
2801                         break;
2802                 }
2803
2804                 case NT_TRANSACT_SET_USER_QUOTA:
2805                 {
2806                         START_PROFILE(NT_transact_set_user_quota);
2807                         call_nt_transact_set_user_quota(
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                         END_PROFILE(NT_transact_set_user_quota);
2814                         break;
2815                 }
2816 #endif /* HAVE_SYS_QUOTAS */
2817
2818                 default:
2819                         /* Error in request */
2820                         DEBUG(0,("handle_nttrans: Unknown request %d in "
2821                                  "nttrans call\n", state->call));
2822                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2823                         return;
2824         }
2825         return;
2826 }
2827
2828 /****************************************************************************
2829  Reply to a SMBNTtrans.
2830 ****************************************************************************/
2831
2832 void reply_nttrans(struct smb_request *req)
2833 {
2834         connection_struct *conn = req->conn;
2835         uint32_t pscnt;
2836         uint32_t psoff;
2837         uint32_t dscnt;
2838         uint32_t dsoff;
2839         uint16 function_code;
2840         NTSTATUS result;
2841         struct trans_state *state;
2842
2843         START_PROFILE(SMBnttrans);
2844
2845         if (req->wct < 19) {
2846                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2847                 END_PROFILE(SMBnttrans);
2848                 return;
2849         }
2850
2851         pscnt = IVAL(req->vwv+9, 1);
2852         psoff = IVAL(req->vwv+11, 1);
2853         dscnt = IVAL(req->vwv+13, 1);
2854         dsoff = IVAL(req->vwv+15, 1);
2855         function_code = SVAL(req->vwv+18, 0);
2856
2857         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2858                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2859                 END_PROFILE(SMBnttrans);
2860                 return;
2861         }
2862
2863         result = allow_new_trans(conn->pending_trans, req->mid);
2864         if (!NT_STATUS_IS_OK(result)) {
2865                 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2866                 reply_nterror(req, result);
2867                 END_PROFILE(SMBnttrans);
2868                 return;
2869         }
2870
2871         if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
2872                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2873                 END_PROFILE(SMBnttrans);
2874                 return;
2875         }
2876
2877         state->cmd = SMBnttrans;
2878
2879         state->mid = req->mid;
2880         state->vuid = req->vuid;
2881         state->total_data = IVAL(req->vwv+3, 1);
2882         state->data = NULL;
2883         state->total_param = IVAL(req->vwv+1, 1);
2884         state->param = NULL;
2885         state->max_data_return = IVAL(req->vwv+7, 1);
2886         state->max_param_return = IVAL(req->vwv+5, 1);
2887
2888         /* setup count is in *words* */
2889         state->setup_count = 2*CVAL(req->vwv+17, 1);
2890         state->setup = NULL;
2891         state->call = function_code;
2892
2893         DEBUG(10, ("num_setup=%u, "
2894                    "param_total=%u, this_param=%u, max_param=%u, "
2895                    "data_total=%u, this_data=%u, max_data=%u, "
2896                    "param_offset=%u, data_offset=%u\n",
2897                    (unsigned)state->setup_count,
2898                    (unsigned)state->total_param, (unsigned)pscnt,
2899                    (unsigned)state->max_param_return,
2900                    (unsigned)state->total_data, (unsigned)dscnt,
2901                    (unsigned)state->max_data_return,
2902                    (unsigned)psoff, (unsigned)dsoff));
2903
2904         /*
2905          * All nttrans messages we handle have smb_wct == 19 +
2906          * state->setup_count.  Ensure this is so as a sanity check.
2907          */
2908
2909         if(req->wct != 19 + (state->setup_count/2)) {
2910                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2911                          req->wct, 19 + (state->setup_count/2)));
2912                 goto bad_param;
2913         }
2914
2915         /* Don't allow more than 128mb for each value. */
2916         if ((state->total_data > (1024*1024*128)) ||
2917             (state->total_param > (1024*1024*128))) {
2918                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2919                 END_PROFILE(SMBnttrans);
2920                 return;
2921         }
2922
2923         if ((dscnt > state->total_data) || (pscnt > state->total_param))
2924                 goto bad_param;
2925
2926         if (state->total_data)  {
2927
2928                 if (trans_oob(state->total_data, 0, dscnt)
2929                     || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
2930                         goto bad_param;
2931                 }
2932
2933                 /* Can't use talloc here, the core routines do realloc on the
2934                  * params and data. */
2935                 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2936                         DEBUG(0,("reply_nttrans: data malloc fail for %u "
2937                                  "bytes !\n", (unsigned int)state->total_data));
2938                         TALLOC_FREE(state);
2939                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2940                         END_PROFILE(SMBnttrans);
2941                         return;
2942                 }
2943
2944                 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2945         }
2946
2947         if (state->total_param) {
2948
2949                 if (trans_oob(state->total_param, 0, pscnt)
2950                     || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
2951                         goto bad_param;
2952                 }
2953
2954                 /* Can't use talloc here, the core routines do realloc on the
2955                  * params and data. */
2956                 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2957                         DEBUG(0,("reply_nttrans: param malloc fail for %u "
2958                                  "bytes !\n", (unsigned int)state->total_param));
2959                         SAFE_FREE(state->data);
2960                         TALLOC_FREE(state);
2961                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2962                         END_PROFILE(SMBnttrans);
2963                         return;
2964                 }
2965
2966                 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2967         }
2968
2969         state->received_data  = dscnt;
2970         state->received_param = pscnt;
2971
2972         if(state->setup_count > 0) {
2973                 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2974                           state->setup_count));
2975
2976                 /*
2977                  * No overflow possible here, state->setup_count is an
2978                  * unsigned int, being filled by a single byte from
2979                  * CVAL(req->vwv+13, 0) above. The cast in the comparison
2980                  * below is not necessary, it's here to clarify things. The
2981                  * validity of req->vwv and req->wct has been checked in
2982                  * init_smb_request already.
2983                  */
2984                 if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
2985                         goto bad_param;
2986                 }
2987
2988                 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2989                 if (state->setup == NULL) {
2990                         DEBUG(0,("reply_nttrans : Out of memory\n"));
2991                         SAFE_FREE(state->data);
2992                         SAFE_FREE(state->param);
2993                         TALLOC_FREE(state);
2994                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2995                         END_PROFILE(SMBnttrans);
2996                         return;
2997                 }
2998
2999                 memcpy(state->setup, req->vwv+19, state->setup_count);
3000                 dump_data(10, (uint8 *)state->setup, state->setup_count);
3001         }
3002
3003         if ((state->received_data == state->total_data) &&
3004             (state->received_param == state->total_param)) {
3005                 handle_nttrans(conn, state, req);
3006                 SAFE_FREE(state->param);
3007                 SAFE_FREE(state->data);
3008                 TALLOC_FREE(state);
3009                 END_PROFILE(SMBnttrans);
3010                 return;
3011         }
3012
3013         DLIST_ADD(conn->pending_trans, state);
3014
3015         /* We need to send an interim response then receive the rest
3016            of the parameter/data bytes */
3017         reply_outbuf(req, 0, 0);
3018         show_msg((char *)req->outbuf);
3019         END_PROFILE(SMBnttrans);
3020         return;
3021
3022   bad_param:
3023
3024         DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3025         SAFE_FREE(state->data);
3026         SAFE_FREE(state->param);
3027         TALLOC_FREE(state);
3028         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3029         END_PROFILE(SMBnttrans);
3030         return;
3031 }
3032
3033 /****************************************************************************
3034  Reply to a SMBnttranss
3035  ****************************************************************************/
3036
3037 void reply_nttranss(struct smb_request *req)
3038 {
3039         connection_struct *conn = req->conn;
3040         uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
3041         struct trans_state *state;
3042
3043         START_PROFILE(SMBnttranss);
3044
3045         show_msg((char *)req->inbuf);
3046
3047         if (req->wct < 18) {
3048                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3049                 END_PROFILE(SMBnttranss);
3050                 return;
3051         }
3052
3053         for (state = conn->pending_trans; state != NULL;
3054              state = state->next) {
3055                 if (state->mid == req->mid) {
3056                         break;
3057                 }
3058         }
3059
3060         if ((state == NULL) || (state->cmd != SMBnttrans)) {
3061                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3062                 END_PROFILE(SMBnttranss);
3063                 return;
3064         }
3065
3066         /* Revise state->total_param and state->total_data in case they have
3067            changed downwards */
3068         if (IVAL(req->vwv+1, 1) < state->total_param) {
3069                 state->total_param = IVAL(req->vwv+1, 1);
3070         }
3071         if (IVAL(req->vwv+3, 1) < state->total_data) {
3072                 state->total_data = IVAL(req->vwv+3, 1);
3073         }
3074
3075         pcnt = IVAL(req->vwv+5, 1);
3076         poff = IVAL(req->vwv+7, 1);
3077         pdisp = IVAL(req->vwv+9, 1);
3078
3079         dcnt = IVAL(req->vwv+11, 1);
3080         doff = IVAL(req->vwv+13, 1);
3081         ddisp = IVAL(req->vwv+15, 1);
3082
3083         state->received_param += pcnt;
3084         state->received_data += dcnt;
3085
3086         if ((state->received_data > state->total_data) ||
3087             (state->received_param > state->total_param))
3088                 goto bad_param;
3089
3090         if (pcnt) {
3091                 if (trans_oob(state->total_param, pdisp, pcnt)
3092                     || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
3093                         goto bad_param;
3094                 }
3095                 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
3096         }
3097
3098         if (dcnt) {
3099                 if (trans_oob(state->total_data, ddisp, dcnt)
3100                     || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
3101                         goto bad_param;
3102                 }
3103                 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
3104         }
3105
3106         if ((state->received_param < state->total_param) ||
3107             (state->received_data < state->total_data)) {
3108                 END_PROFILE(SMBnttranss);
3109                 return;
3110         }
3111
3112         handle_nttrans(conn, state, req);
3113
3114         DLIST_REMOVE(conn->pending_trans, state);
3115         SAFE_FREE(state->data);
3116         SAFE_FREE(state->param);
3117         TALLOC_FREE(state);
3118         END_PROFILE(SMBnttranss);
3119         return;
3120
3121   bad_param:
3122
3123         DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3124         DLIST_REMOVE(conn->pending_trans, state);
3125         SAFE_FREE(state->data);
3126         SAFE_FREE(state->param);
3127         TALLOC_FREE(state);
3128         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3129         END_PROFILE(SMBnttranss);
3130         return;
3131 }