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                 SSVAL(p,2,0x7);
1224         }
1225         p += 4;
1226         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1227
1228         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1229                 uint32 perms = 0;
1230                 p += 25;
1231                 if (fsp->is_directory ||
1232                     can_write_to_file(conn, smb_fname)) {
1233                         perms = FILE_GENERIC_ALL;
1234                 } else {
1235                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
1236                 }
1237                 SIVAL(p,0,perms);
1238         }
1239
1240         DEBUG(5,("call_nt_transact_create: open name = %s\n",
1241                  smb_fname_str_dbg(smb_fname)));
1242
1243         /* Send the required number of replies */
1244         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1245  out:
1246         return;
1247 }
1248
1249 /****************************************************************************
1250  Reply to a NT CANCEL request.
1251  conn POINTER CAN BE NULL HERE !
1252 ****************************************************************************/
1253
1254 void reply_ntcancel(struct smb_request *req)
1255 {
1256         /*
1257          * Go through and cancel any pending change notifies.
1258          */
1259
1260         START_PROFILE(SMBntcancel);
1261         srv_cancel_sign_response(smbd_server_conn);
1262         remove_pending_change_notify_requests_by_mid(req->mid);
1263         remove_pending_lock_requests_by_mid(req->mid);
1264
1265         DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1266
1267         END_PROFILE(SMBntcancel);
1268         return;
1269 }
1270
1271 /****************************************************************************
1272  Copy a file.
1273 ****************************************************************************/
1274
1275 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1276                                 connection_struct *conn,
1277                                 struct smb_request *req,
1278                                 struct smb_filename *smb_fname_src,
1279                                 struct smb_filename *smb_fname_dst,
1280                                 uint32 attrs)
1281 {
1282         files_struct *fsp1,*fsp2;
1283         uint32 fattr;
1284         int info;
1285         SMB_OFF_T ret=-1;
1286         NTSTATUS status = NT_STATUS_OK;
1287         char *parent;
1288
1289         if (!CAN_WRITE(conn)) {
1290                 status = NT_STATUS_MEDIA_WRITE_PROTECTED;
1291                 goto out;
1292         }
1293
1294         /* Source must already exist. */
1295         if (!VALID_STAT(smb_fname_src->st)) {
1296                 status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
1297                 goto out;
1298         }
1299
1300         /* Ensure attributes match. */
1301         fattr = dos_mode(conn, smb_fname_src);
1302         if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1303                 status = NT_STATUS_NO_SUCH_FILE;
1304                 goto out;
1305         }
1306
1307         /* Disallow if dst file already exists. */
1308         if (VALID_STAT(smb_fname_dst->st)) {
1309                 status = NT_STATUS_OBJECT_NAME_COLLISION;
1310                 goto out;
1311         }
1312
1313         /* No links from a directory. */
1314         if (S_ISDIR(smb_fname_src->st.st_ex_mode)) {
1315                 status = NT_STATUS_FILE_IS_A_DIRECTORY;
1316                 goto out;
1317         }
1318
1319         DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1320                   smb_fname_str_dbg(smb_fname_src),
1321                   smb_fname_str_dbg(smb_fname_dst)));
1322
1323         status = SMB_VFS_CREATE_FILE(
1324                 conn,                                   /* conn */
1325                 req,                                    /* req */
1326                 0,                                      /* root_dir_fid */
1327                 smb_fname_src,                          /* fname */
1328                 FILE_READ_DATA,                         /* access_mask */
1329                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
1330                     FILE_SHARE_DELETE),
1331                 FILE_OPEN,                              /* create_disposition*/
1332                 0,                                      /* create_options */
1333                 FILE_ATTRIBUTE_NORMAL,                  /* file_attributes */
1334                 NO_OPLOCK,                              /* oplock_request */
1335                 0,                                      /* allocation_size */
1336                 0,                                      /* private_flags */
1337                 NULL,                                   /* sd */
1338                 NULL,                                   /* ea_list */
1339                 &fsp1,                                  /* result */
1340                 &info);                                 /* pinfo */
1341
1342         if (!NT_STATUS_IS_OK(status)) {
1343                 goto out;
1344         }
1345
1346         status = SMB_VFS_CREATE_FILE(
1347                 conn,                                   /* conn */
1348                 req,                                    /* req */
1349                 0,                                      /* root_dir_fid */
1350                 smb_fname_dst,                          /* fname */
1351                 FILE_WRITE_DATA,                        /* access_mask */
1352                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
1353                     FILE_SHARE_DELETE),
1354                 FILE_CREATE,                            /* create_disposition*/
1355                 0,                                      /* create_options */
1356                 fattr,                                  /* file_attributes */
1357                 NO_OPLOCK,                              /* oplock_request */
1358                 0,                                      /* allocation_size */
1359                 0,                                      /* private_flags */
1360                 NULL,                                   /* sd */
1361                 NULL,                                   /* ea_list */
1362                 &fsp2,                                  /* result */
1363                 &info);                                 /* pinfo */
1364
1365         if (!NT_STATUS_IS_OK(status)) {
1366                 close_file(NULL, fsp1, ERROR_CLOSE);
1367                 goto out;
1368         }
1369
1370         if (smb_fname_src->st.st_ex_size) {
1371                 ret = vfs_transfer_file(fsp1, fsp2, smb_fname_src->st.st_ex_size);
1372         }
1373
1374         /*
1375          * As we are opening fsp1 read-only we only expect
1376          * an error on close on fsp2 if we are out of space.
1377          * Thus we don't look at the error return from the
1378          * close of fsp1.
1379          */
1380         close_file(NULL, fsp1, NORMAL_CLOSE);
1381
1382         /* Ensure the modtime is set correctly on the destination file. */
1383         set_close_write_time(fsp2, smb_fname_src->st.st_ex_mtime);
1384
1385         status = close_file(NULL, fsp2, NORMAL_CLOSE);
1386
1387         /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1388            creates the file. This isn't the correct thing to do in the copy
1389            case. JRA */
1390         if (!parent_dirname(talloc_tos(), smb_fname_dst->base_name, &parent,
1391                             NULL)) {
1392                 status = NT_STATUS_NO_MEMORY;
1393                 goto out;
1394         }
1395         file_set_dosmode(conn, smb_fname_dst, fattr, parent, false);
1396         TALLOC_FREE(parent);
1397
1398         if (ret < (SMB_OFF_T)smb_fname_src->st.st_ex_size) {
1399                 status = NT_STATUS_DISK_FULL;
1400                 goto out;
1401         }
1402  out:
1403         if (!NT_STATUS_IS_OK(status)) {
1404                 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1405                         nt_errstr(status), smb_fname_str_dbg(smb_fname_src),
1406                         smb_fname_str_dbg(smb_fname_dst)));
1407         }
1408
1409         return status;
1410 }
1411
1412 /****************************************************************************
1413  Reply to a NT rename request.
1414 ****************************************************************************/
1415
1416 void reply_ntrename(struct smb_request *req)
1417 {
1418         connection_struct *conn = req->conn;
1419         struct smb_filename *smb_fname_old = NULL;
1420         struct smb_filename *smb_fname_new = NULL;
1421         char *oldname = NULL;
1422         char *newname = NULL;
1423         const char *p;
1424         NTSTATUS status;
1425         bool src_has_wcard = False;
1426         bool dest_has_wcard = False;
1427         uint32 attrs;
1428         uint32_t ucf_flags_src = 0;
1429         uint32_t ucf_flags_dst = 0;
1430         uint16 rename_type;
1431         TALLOC_CTX *ctx = talloc_tos();
1432
1433         START_PROFILE(SMBntrename);
1434
1435         if (req->wct < 4) {
1436                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1437                 goto out;
1438         }
1439
1440         attrs = SVAL(req->vwv+0, 0);
1441         rename_type = SVAL(req->vwv+1, 0);
1442
1443         p = (const char *)req->buf + 1;
1444         p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1445                                        &status, &src_has_wcard);
1446         if (!NT_STATUS_IS_OK(status)) {
1447                 reply_nterror(req, status);
1448                 goto out;
1449         }
1450
1451         if (ms_has_wild(oldname)) {
1452                 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1453                 goto out;
1454         }
1455
1456         p++;
1457         p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1458                                        &status, &dest_has_wcard);
1459         if (!NT_STATUS_IS_OK(status)) {
1460                 reply_nterror(req, status);
1461                 goto out;
1462         }
1463
1464         /* The newname must begin with a ':' if the oldname contains a ':'. */
1465         if (strchr_m(oldname, ':') && (newname[0] != ':')) {
1466                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1467                 goto out;
1468         }
1469
1470         /*
1471          * If this is a rename operation, allow wildcards and save the
1472          * destination's last component.
1473          */
1474         if (rename_type == RENAME_FLAG_RENAME) {
1475                 ucf_flags_src = UCF_COND_ALLOW_WCARD_LCOMP;
1476                 ucf_flags_dst = UCF_COND_ALLOW_WCARD_LCOMP | UCF_SAVE_LCOMP;
1477         }
1478
1479         /* rename_internals() calls unix_convert(), so don't call it here. */
1480         status = filename_convert(ctx, conn,
1481                                   req->flags2 & FLAGS2_DFS_PATHNAMES,
1482                                   oldname,
1483                                   ucf_flags_src,
1484                                   NULL,
1485                                   &smb_fname_old);
1486         if (!NT_STATUS_IS_OK(status)) {
1487                 if (NT_STATUS_EQUAL(status,
1488                                     NT_STATUS_PATH_NOT_COVERED)) {
1489                         reply_botherror(req,
1490                                         NT_STATUS_PATH_NOT_COVERED,
1491                                         ERRSRV, ERRbadpath);
1492                         goto out;
1493                 }
1494                 reply_nterror(req, status);
1495                 goto out;
1496         }
1497
1498         status = filename_convert(ctx, conn,
1499                                   req->flags2 & FLAGS2_DFS_PATHNAMES,
1500                                   newname,
1501                                   ucf_flags_dst,
1502                                   &dest_has_wcard,
1503                                   &smb_fname_new);
1504         if (!NT_STATUS_IS_OK(status)) {
1505                 if (NT_STATUS_EQUAL(status,
1506                                     NT_STATUS_PATH_NOT_COVERED)) {
1507                         reply_botherror(req,
1508                                         NT_STATUS_PATH_NOT_COVERED,
1509                                         ERRSRV, ERRbadpath);
1510                         goto out;
1511                 }
1512                 reply_nterror(req, status);
1513                 goto out;
1514         }
1515
1516         DEBUG(3,("reply_ntrename: %s -> %s\n",
1517                  smb_fname_str_dbg(smb_fname_old),
1518                  smb_fname_str_dbg(smb_fname_new)));
1519
1520         switch(rename_type) {
1521                 case RENAME_FLAG_RENAME:
1522                         status = rename_internals(ctx, conn, req,
1523                                                   smb_fname_old, smb_fname_new,
1524                                                   attrs, False, src_has_wcard,
1525                                                   dest_has_wcard,
1526                                                   DELETE_ACCESS);
1527                         break;
1528                 case RENAME_FLAG_HARD_LINK:
1529                         if (src_has_wcard || dest_has_wcard) {
1530                                 /* No wildcards. */
1531                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1532                         } else {
1533                                 status = hardlink_internals(ctx, conn,
1534                                                             smb_fname_old,
1535                                                             smb_fname_new);
1536                         }
1537                         break;
1538                 case RENAME_FLAG_COPY:
1539                         if (src_has_wcard || dest_has_wcard) {
1540                                 /* No wildcards. */
1541                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1542                         } else {
1543                                 status = copy_internals(ctx, conn, req,
1544                                                         smb_fname_old,
1545                                                         smb_fname_new,
1546                                                         attrs);
1547                         }
1548                         break;
1549                 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1550                         status = NT_STATUS_INVALID_PARAMETER;
1551                         break;
1552                 default:
1553                         status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1554                         break;
1555         }
1556
1557         if (!NT_STATUS_IS_OK(status)) {
1558                 if (open_was_deferred(req->mid)) {
1559                         /* We have re-scheduled this call. */
1560                         goto out;
1561                 }
1562
1563                 reply_nterror(req, status);
1564                 goto out;
1565         }
1566
1567         reply_outbuf(req, 0, 0);
1568  out:
1569         END_PROFILE(SMBntrename);
1570         return;
1571 }
1572
1573 /****************************************************************************
1574  Reply to a notify change - queue the request and
1575  don't allow a directory to be opened.
1576 ****************************************************************************/
1577
1578 static void smbd_smb1_notify_reply(struct smb_request *req,
1579                                    NTSTATUS error_code,
1580                                    uint8_t *buf, size_t len)
1581 {
1582         send_nt_replies(req->conn, req, error_code, (char *)buf, len, NULL, 0);
1583 }
1584
1585 static void call_nt_transact_notify_change(connection_struct *conn,
1586                                            struct smb_request *req,
1587                                            uint16 **ppsetup,
1588                                            uint32 setup_count,
1589                                            char **ppparams,
1590                                            uint32 parameter_count,
1591                                            char **ppdata, uint32 data_count,
1592                                            uint32 max_data_count,
1593                                            uint32 max_param_count)
1594 {
1595         uint16 *setup = *ppsetup;
1596         files_struct *fsp;
1597         uint32 filter;
1598         NTSTATUS status;
1599         bool recursive;
1600
1601         if(setup_count < 6) {
1602                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1603                 return;
1604         }
1605
1606         fsp = file_fsp(req, SVAL(setup,4));
1607         filter = IVAL(setup, 0);
1608         recursive = (SVAL(setup, 6) != 0) ? True : False;
1609
1610         DEBUG(3,("call_nt_transact_notify_change\n"));
1611
1612         if(!fsp) {
1613                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1614                 return;
1615         }
1616
1617         {
1618                 char *filter_string;
1619
1620                 if (!(filter_string = notify_filter_string(NULL, filter))) {
1621                         reply_nterror(req,NT_STATUS_NO_MEMORY);
1622                         return;
1623                 }
1624
1625                 DEBUG(3,("call_nt_transact_notify_change: notify change "
1626                          "called on %s, filter = %s, recursive = %d\n",
1627                          fsp_str_dbg(fsp), filter_string, recursive));
1628
1629                 TALLOC_FREE(filter_string);
1630         }
1631
1632         if((!fsp->is_directory) || (conn != fsp->conn)) {
1633                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1634                 return;
1635         }
1636
1637         if (fsp->notify == NULL) {
1638
1639                 status = change_notify_create(fsp, filter, recursive);
1640
1641                 if (!NT_STATUS_IS_OK(status)) {
1642                         DEBUG(10, ("change_notify_create returned %s\n",
1643                                    nt_errstr(status)));
1644                         reply_nterror(req, status);
1645                         return;
1646                 }
1647         }
1648
1649         if (fsp->notify->num_changes != 0) {
1650
1651                 /*
1652                  * We've got changes pending, respond immediately
1653                  */
1654
1655                 /*
1656                  * TODO: write a torture test to check the filtering behaviour
1657                  * here.
1658                  */
1659
1660                 change_notify_reply(fsp->conn, req,
1661                                     NT_STATUS_OK,
1662                                     max_param_count,
1663                                     fsp->notify,
1664                                     smbd_smb1_notify_reply);
1665
1666                 /*
1667                  * change_notify_reply() above has independently sent its
1668                  * results
1669                  */
1670                 return;
1671         }
1672
1673         /*
1674          * No changes pending, queue the request
1675          */
1676
1677         status = change_notify_add_request(req,
1678                         max_param_count,
1679                         filter,
1680                         recursive, fsp,
1681                         smbd_smb1_notify_reply);
1682         if (!NT_STATUS_IS_OK(status)) {
1683                 reply_nterror(req, status);
1684         }
1685         return;
1686 }
1687
1688 /****************************************************************************
1689  Reply to an NT transact rename command.
1690 ****************************************************************************/
1691
1692 static void call_nt_transact_rename(connection_struct *conn,
1693                                     struct smb_request *req,
1694                                     uint16 **ppsetup, uint32 setup_count,
1695                                     char **ppparams, uint32 parameter_count,
1696                                     char **ppdata, uint32 data_count,
1697                                     uint32 max_data_count)
1698 {
1699         char *params = *ppparams;
1700         char *new_name = NULL;
1701         files_struct *fsp = NULL;
1702         bool dest_has_wcard = False;
1703         NTSTATUS status;
1704         TALLOC_CTX *ctx = talloc_tos();
1705
1706         if(parameter_count < 5) {
1707                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1708                 return;
1709         }
1710
1711         fsp = file_fsp(req, SVAL(params, 0));
1712         if (!check_fsp(conn, req, fsp)) {
1713                 return;
1714         }
1715         srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1716                               parameter_count - 4,
1717                               STR_TERMINATE, &status, &dest_has_wcard);
1718         if (!NT_STATUS_IS_OK(status)) {
1719                 reply_nterror(req, status);
1720                 return;
1721         }
1722
1723         /*
1724          * W2K3 ignores this request as the RAW-RENAME test
1725          * demonstrates, so we do.
1726          */
1727         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1728
1729         DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1730                  fsp_str_dbg(fsp), new_name));
1731
1732         return;
1733 }
1734
1735 /******************************************************************************
1736  Fake up a completely empty SD.
1737 *******************************************************************************/
1738
1739 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1740 {
1741         size_t sd_size;
1742
1743         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1744         if(!*ppsd) {
1745                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1746                 return NT_STATUS_NO_MEMORY;
1747         }
1748
1749         return NT_STATUS_OK;
1750 }
1751
1752 /****************************************************************************
1753  Reply to query a security descriptor.
1754 ****************************************************************************/
1755
1756 static void call_nt_transact_query_security_desc(connection_struct *conn,
1757                                                  struct smb_request *req,
1758                                                  uint16 **ppsetup,
1759                                                  uint32 setup_count,
1760                                                  char **ppparams,
1761                                                  uint32 parameter_count,
1762                                                  char **ppdata,
1763                                                  uint32 data_count,
1764                                                  uint32 max_data_count)
1765 {
1766         char *params = *ppparams;
1767         char *data = *ppdata;
1768         SEC_DESC *psd = NULL;
1769         size_t sd_size;
1770         uint32 security_info_wanted;
1771         files_struct *fsp = NULL;
1772         NTSTATUS status;
1773         DATA_BLOB blob;
1774
1775         if(parameter_count < 8) {
1776                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1777                 return;
1778         }
1779
1780         fsp = file_fsp(req, SVAL(params,0));
1781         if(!fsp) {
1782                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1783                 return;
1784         }
1785
1786         security_info_wanted = IVAL(params,4);
1787
1788         DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
1789                  "info_wanted = 0x%x\n", fsp_str_dbg(fsp),
1790                  (unsigned int)security_info_wanted));
1791
1792         params = nttrans_realloc(ppparams, 4);
1793         if(params == NULL) {
1794                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1795                 return;
1796         }
1797
1798         /*
1799          * Get the permissions to return.
1800          */
1801
1802         if (!lp_nt_acl_support(SNUM(conn))) {
1803                 status = get_null_nt_acl(talloc_tos(), &psd);
1804         } else {
1805                 status = SMB_VFS_FGET_NT_ACL(
1806                         fsp, security_info_wanted, &psd);
1807         }
1808         if (!NT_STATUS_IS_OK(status)) {
1809                 reply_nterror(req, status);
1810                 return;
1811         }
1812
1813         /* If the SACL/DACL is NULL, but was requested, we mark that it is
1814          * present in the reply to match Windows behavior */
1815         if (psd->sacl == NULL &&
1816             security_info_wanted & SACL_SECURITY_INFORMATION)
1817                 psd->type |= SEC_DESC_SACL_PRESENT;
1818         if (psd->dacl == NULL &&
1819             security_info_wanted & DACL_SECURITY_INFORMATION)
1820                 psd->type |= SEC_DESC_DACL_PRESENT;
1821
1822         sd_size = ndr_size_security_descriptor(psd, NULL, 0);
1823
1824         DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1825
1826         if (DEBUGLEVEL >= 10) {
1827                 DEBUG(10,("call_nt_transact_query_security_desc for file %s\n",
1828                           fsp_str_dbg(fsp)));
1829                 NDR_PRINT_DEBUG(security_descriptor, psd);
1830         }
1831
1832         SIVAL(params,0,(uint32)sd_size);
1833
1834         if (max_data_count < sd_size) {
1835                 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1836                                 params, 4, *ppdata, 0);
1837                 return;
1838         }
1839
1840         /*
1841          * Allocate the data we will point this at.
1842          */
1843
1844         data = nttrans_realloc(ppdata, sd_size);
1845         if(data == NULL) {
1846                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1847                 return;
1848         }
1849
1850         status = marshall_sec_desc(talloc_tos(), psd,
1851                                    &blob.data, &blob.length);
1852
1853         if (!NT_STATUS_IS_OK(status)) {
1854                 reply_nterror(req, status);
1855                 return;
1856         }
1857
1858         SMB_ASSERT(sd_size == blob.length);
1859         memcpy(data, blob.data, sd_size);
1860
1861         send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1862
1863         return;
1864 }
1865
1866 /****************************************************************************
1867  Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1868 ****************************************************************************/
1869
1870 static void call_nt_transact_set_security_desc(connection_struct *conn,
1871                                                struct smb_request *req,
1872                                                uint16 **ppsetup,
1873                                                uint32 setup_count,
1874                                                char **ppparams,
1875                                                uint32 parameter_count,
1876                                                char **ppdata,
1877                                                uint32 data_count,
1878                                                uint32 max_data_count)
1879 {
1880         char *params= *ppparams;
1881         char *data = *ppdata;
1882         files_struct *fsp = NULL;
1883         uint32 security_info_sent = 0;
1884         NTSTATUS status;
1885
1886         if(parameter_count < 8) {
1887                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1888                 return;
1889         }
1890
1891         if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
1892                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1893                 return;
1894         }
1895
1896         if(!lp_nt_acl_support(SNUM(conn))) {
1897                 goto done;
1898         }
1899
1900         security_info_sent = IVAL(params,4);
1901
1902         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
1903                  fsp_str_dbg(fsp), (unsigned int)security_info_sent));
1904
1905         if (data_count == 0) {
1906                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1907                 return;
1908         }
1909
1910         status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
1911
1912         if (!NT_STATUS_IS_OK(status)) {
1913                 reply_nterror(req, status);
1914                 return;
1915         }
1916
1917   done:
1918         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1919         return;
1920 }
1921
1922 /****************************************************************************
1923  Reply to NT IOCTL
1924 ****************************************************************************/
1925
1926 static void call_nt_transact_ioctl(connection_struct *conn,
1927                                    struct smb_request *req,
1928                                    uint16 **ppsetup, uint32 setup_count,
1929                                    char **ppparams, uint32 parameter_count,
1930                                    char **ppdata, uint32 data_count,
1931                                    uint32 max_data_count)
1932 {
1933         uint32 function;
1934         uint16 fidnum;
1935         files_struct *fsp;
1936         uint8 isFSctl;
1937         uint8 compfilter;
1938         char *pdata = *ppdata;
1939
1940         if (setup_count != 8) {
1941                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1942                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1943                 return;
1944         }
1945
1946         function = IVAL(*ppsetup, 0);
1947         fidnum = SVAL(*ppsetup, 4);
1948         isFSctl = CVAL(*ppsetup, 6);
1949         compfilter = CVAL(*ppsetup, 7);
1950
1951         DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
1952                  function, fidnum, isFSctl, compfilter));
1953
1954         fsp=file_fsp(req, fidnum);
1955         /* this check is done in each implemented function case for now
1956            because I don't want to break anything... --metze
1957         FSP_BELONGS_CONN(fsp,conn);*/
1958
1959         SMB_PERFCOUNT_SET_IOCTL(&req->pcd, function);
1960
1961         switch (function) {
1962         case FSCTL_SET_SPARSE:
1963                 /* pretend this succeeded - tho strictly we should
1964                    mark the file sparse (if the local fs supports it)
1965                    so we can know if we need to pre-allocate or not */
1966
1967                 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
1968                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1969                 return;
1970
1971         case FSCTL_CREATE_OR_GET_OBJECT_ID:
1972         {
1973                 unsigned char objid[16];
1974
1975                 /* This should return the object-id on this file.
1976                  * I think I'll make this be the inode+dev. JRA.
1977                  */
1978
1979                 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
1980
1981                 if (!fsp_belongs_conn(conn, req, fsp)) {
1982                         return;
1983                 }
1984
1985                 data_count = 64;
1986                 pdata = nttrans_realloc(ppdata, data_count);
1987                 if (pdata == NULL) {
1988                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1989                         return;
1990                 }
1991
1992                 /* For backwards compatibility only store the dev/inode. */
1993                 push_file_id_16(pdata, &fsp->file_id);
1994                 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
1995                 push_file_id_16(pdata+32, &fsp->file_id);
1996                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1997                                 pdata, data_count);
1998                 return;
1999         }
2000
2001         case FSCTL_GET_REPARSE_POINT:
2002                 /* pretend this fail - my winXP does it like this
2003                  * --metze
2004                  */
2005
2006                 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2007                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2008                 return;
2009
2010         case FSCTL_SET_REPARSE_POINT:
2011                 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2012                  * --metze
2013                  */
2014
2015                 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2016                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2017                 return;
2018
2019         case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2020         {
2021                 /*
2022                  * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2023                  * and return their volume names.  If max_data_count is 16, then it is just
2024                  * asking for the number of volumes and length of the combined names.
2025                  *
2026                  * pdata is the data allocated by our caller, but that uses
2027                  * total_data_count (which is 0 in our case) rather than max_data_count.
2028                  * Allocate the correct amount and return the pointer to let
2029                  * it be deallocated when we return.
2030                  */
2031                 SHADOW_COPY_DATA *shadow_data = NULL;
2032                 TALLOC_CTX *shadow_mem_ctx = NULL;
2033                 bool labels = False;
2034                 uint32 labels_data_count = 0;
2035                 uint32 i;
2036                 char *cur_pdata;
2037
2038                 if (!fsp_belongs_conn(conn, req, fsp)) {
2039                         return;
2040                 }
2041
2042                 if (max_data_count < 16) {
2043                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2044                                 max_data_count));
2045                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2046                         return;
2047                 }
2048
2049                 if (max_data_count > 16) {
2050                         labels = True;
2051                 }
2052
2053                 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2054                 if (shadow_mem_ctx == NULL) {
2055                         DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2056                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2057                         return;
2058                 }
2059
2060                 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2061                 if (shadow_data == NULL) {
2062                         DEBUG(0,("TALLOC_ZERO() failed!\n"));
2063                         talloc_destroy(shadow_mem_ctx);
2064                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2065                         return;
2066                 }
2067
2068                 shadow_data->mem_ctx = shadow_mem_ctx;
2069
2070                 /*
2071                  * Call the VFS routine to actually do the work.
2072                  */
2073                 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2074                         talloc_destroy(shadow_data->mem_ctx);
2075                         if (errno == ENOSYS) {
2076                                 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2077                                         conn->connectpath));
2078                                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2079                                 return;
2080                         } else {
2081                                 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2082                                         conn->connectpath));
2083                                 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
2084                                 return;
2085                         }
2086                 }
2087
2088                 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2089
2090                 if (!labels) {
2091                         data_count = 16;
2092                 } else {
2093                         data_count = 12+labels_data_count+4;
2094                 }
2095
2096                 if (max_data_count<data_count) {
2097                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2098                                 max_data_count,data_count));
2099                         talloc_destroy(shadow_data->mem_ctx);
2100                         reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
2101                         return;
2102                 }
2103
2104                 pdata = nttrans_realloc(ppdata, data_count);
2105                 if (pdata == NULL) {
2106                         talloc_destroy(shadow_data->mem_ctx);
2107                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2108                         return;
2109                 }
2110
2111                 cur_pdata = pdata;
2112
2113                 /* num_volumes 4 bytes */
2114                 SIVAL(pdata,0,shadow_data->num_volumes);
2115
2116                 if (labels) {
2117                         /* num_labels 4 bytes */
2118                         SIVAL(pdata,4,shadow_data->num_volumes);
2119                 }
2120
2121                 /* needed_data_count 4 bytes */
2122                 SIVAL(pdata, 8, labels_data_count+4);
2123
2124                 cur_pdata+=12;
2125
2126                 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2127                           shadow_data->num_volumes, fsp_str_dbg(fsp)));
2128                 if (labels && shadow_data->labels) {
2129                         for (i=0;i<shadow_data->num_volumes;i++) {
2130                                 srvstr_push(pdata, req->flags2,
2131                                             cur_pdata, shadow_data->labels[i],
2132                                             2*sizeof(SHADOW_COPY_LABEL),
2133                                             STR_UNICODE|STR_TERMINATE);
2134                                 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2135                                 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2136                         }
2137                 }
2138
2139                 talloc_destroy(shadow_data->mem_ctx);
2140
2141                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2142                                 pdata, data_count);
2143
2144                 return;
2145         }
2146
2147         case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2148         {
2149                 /* pretend this succeeded -
2150                  *
2151                  * we have to send back a list with all files owned by this SID
2152                  *
2153                  * but I have to check that --metze
2154                  */
2155                 DOM_SID sid;
2156                 uid_t uid;
2157                 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2158
2159                 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2160
2161                 if (!fsp_belongs_conn(conn, req, fsp)) {
2162                         return;
2163                 }
2164
2165                 /* unknown 4 bytes: this is not the length of the sid :-(  */
2166                 /*unknown = IVAL(pdata,0);*/
2167
2168                 sid_parse(pdata+4,sid_len,&sid);
2169                 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
2170
2171                 if (!sid_to_uid(&sid, &uid)) {
2172                         DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2173                                  sid_string_dbg(&sid),
2174                                  (unsigned long)sid_len));
2175                         uid = (-1);
2176                 }
2177
2178                 /* we can take a look at the find source :-)
2179                  *
2180                  * find ./ -uid $uid  -name '*'   is what we need here
2181                  *
2182                  *
2183                  * and send 4bytes len and then NULL terminated unicode strings
2184                  * for each file
2185                  *
2186                  * but I don't know how to deal with the paged results
2187                  * (maybe we can hang the result anywhere in the fsp struct)
2188                  *
2189                  * we don't send all files at once
2190                  * and at the next we should *not* start from the beginning,
2191                  * so we have to cache the result
2192                  *
2193                  * --metze
2194                  */
2195
2196                 /* this works for now... */
2197                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2198                 return;
2199         }
2200         default:
2201                 if (!logged_ioctl_message) {
2202                         logged_ioctl_message = true; /* Only print this once... */
2203                         DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2204                                  function));
2205                 }
2206         }
2207
2208         reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2209 }
2210
2211
2212 #ifdef HAVE_SYS_QUOTAS
2213 /****************************************************************************
2214  Reply to get user quota
2215 ****************************************************************************/
2216
2217 static void call_nt_transact_get_user_quota(connection_struct *conn,
2218                                             struct smb_request *req,
2219                                             uint16 **ppsetup,
2220                                             uint32 setup_count,
2221                                             char **ppparams,
2222                                             uint32 parameter_count,
2223                                             char **ppdata,
2224                                             uint32 data_count,
2225                                             uint32 max_data_count)
2226 {
2227         NTSTATUS nt_status = NT_STATUS_OK;
2228         char *params = *ppparams;
2229         char *pdata = *ppdata;
2230         char *entry;
2231         int data_len=0,param_len=0;
2232         int qt_len=0;
2233         int entry_len = 0;
2234         files_struct *fsp = NULL;
2235         uint16 level = 0;
2236         size_t sid_len;
2237         DOM_SID sid;
2238         bool start_enum = True;
2239         SMB_NTQUOTA_STRUCT qt;
2240         SMB_NTQUOTA_LIST *tmp_list;
2241         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2242
2243         ZERO_STRUCT(qt);
2244
2245         /* access check */
2246         if (conn->server_info->utok.uid != 0) {
2247                 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2248                          "[%s]\n", lp_servicename(SNUM(conn)),
2249                          conn->server_info->unix_name));
2250                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2251                 return;
2252         }
2253
2254         /*
2255          * Ensure minimum number of parameters sent.
2256          */
2257
2258         if (parameter_count < 4) {
2259                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2260                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2261                 return;
2262         }
2263
2264         /* maybe we can check the quota_fnum */
2265         fsp = file_fsp(req, SVAL(params,0));
2266         if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2267                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2268                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2269                 return;
2270         }
2271
2272         /* the NULL pointer checking for fsp->fake_file_handle->pd
2273          * is done by CHECK_NTQUOTA_HANDLE_OK()
2274          */
2275         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2276
2277         level = SVAL(params,2);
2278
2279         /* unknown 12 bytes leading in params */
2280
2281         switch (level) {
2282                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2283                         /* seems that we should continue with the enum here --metze */
2284
2285                         if (qt_handle->quota_list!=NULL &&
2286                             qt_handle->tmp_list==NULL) {
2287
2288                                 /* free the list */
2289                                 free_ntquota_list(&(qt_handle->quota_list));
2290
2291                                 /* Realloc the size of parameters and data we will return */
2292                                 param_len = 4;
2293                                 params = nttrans_realloc(ppparams, param_len);
2294                                 if(params == NULL) {
2295                                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2296                                         return;
2297                                 }
2298
2299                                 data_len = 0;
2300                                 SIVAL(params,0,data_len);
2301
2302                                 break;
2303                         }
2304
2305                         start_enum = False;
2306
2307                 case TRANSACT_GET_USER_QUOTA_LIST_START:
2308
2309                         if (qt_handle->quota_list==NULL &&
2310                                 qt_handle->tmp_list==NULL) {
2311                                 start_enum = True;
2312                         }
2313
2314                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2315                                 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2316                                 return;
2317                         }
2318
2319                         /* Realloc the size of parameters and data we will return */
2320                         param_len = 4;
2321                         params = nttrans_realloc(ppparams, param_len);
2322                         if(params == NULL) {
2323                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2324                                 return;
2325                         }
2326
2327                         /* we should not trust the value in max_data_count*/
2328                         max_data_count = MIN(max_data_count,2048);
2329
2330                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2331                         if(pdata == NULL) {
2332                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2333                                 return;
2334                         }
2335
2336                         entry = pdata;
2337
2338                         /* set params Size of returned Quota Data 4 bytes*/
2339                         /* but set it later when we know it */
2340
2341                         /* for each entry push the data */
2342
2343                         if (start_enum) {
2344                                 qt_handle->tmp_list = qt_handle->quota_list;
2345                         }
2346
2347                         tmp_list = qt_handle->tmp_list;
2348
2349                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2350                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2351
2352                                 sid_len = ndr_size_dom_sid(
2353                                         &tmp_list->quotas->sid, NULL, 0);
2354                                 entry_len = 40 + sid_len;
2355
2356                                 /* nextoffset entry 4 bytes */
2357                                 SIVAL(entry,0,entry_len);
2358
2359                                 /* then the len of the SID 4 bytes */
2360                                 SIVAL(entry,4,sid_len);
2361
2362                                 /* unknown data 8 bytes uint64_t */
2363                                 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2364
2365                                 /* the used disk space 8 bytes uint64_t */
2366                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2367
2368                                 /* the soft quotas 8 bytes uint64_t */
2369                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2370
2371                                 /* the hard quotas 8 bytes uint64_t */
2372                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2373
2374                                 /* and now the SID */
2375                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2376                         }
2377
2378                         qt_handle->tmp_list = tmp_list;
2379
2380                         /* overwrite the offset of the last entry */
2381                         SIVAL(entry-entry_len,0,0);
2382
2383                         data_len = 4+qt_len;
2384                         /* overwrite the params quota_data_len */
2385                         SIVAL(params,0,data_len);
2386
2387                         break;
2388
2389                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2390
2391                         /* unknown 4 bytes IVAL(pdata,0) */
2392
2393                         if (data_count < 8) {
2394                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2395                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2396                                 return;
2397                         }
2398
2399                         sid_len = IVAL(pdata,4);
2400                         /* Ensure this is less than 1mb. */
2401                         if (sid_len > (1024*1024)) {
2402                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2403                                 return;
2404                         }
2405
2406                         if (data_count < 8+sid_len) {
2407                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2408                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2409                                 return;
2410                         }
2411
2412                         data_len = 4+40+sid_len;
2413
2414                         if (max_data_count < data_len) {
2415                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2416                                         max_data_count, data_len));
2417                                 param_len = 4;
2418                                 SIVAL(params,0,data_len);
2419                                 data_len = 0;
2420                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2421                                 break;
2422                         }
2423
2424                         sid_parse(pdata+8,sid_len,&sid);
2425
2426                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2427                                 ZERO_STRUCT(qt);
2428                                 /*
2429                                  * we have to return zero's in all fields
2430                                  * instead of returning an error here
2431                                  * --metze
2432                                  */
2433                         }
2434
2435                         /* Realloc the size of parameters and data we will return */
2436                         param_len = 4;
2437                         params = nttrans_realloc(ppparams, param_len);
2438                         if(params == NULL) {
2439                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2440                                 return;
2441                         }
2442
2443                         pdata = nttrans_realloc(ppdata, data_len);
2444                         if(pdata == NULL) {
2445                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2446                                 return;
2447                         }
2448
2449                         entry = pdata;
2450
2451                         /* set params Size of returned Quota Data 4 bytes*/
2452                         SIVAL(params,0,data_len);
2453
2454                         /* nextoffset entry 4 bytes */
2455                         SIVAL(entry,0,0);
2456
2457                         /* then the len of the SID 4 bytes */
2458                         SIVAL(entry,4,sid_len);
2459
2460                         /* unknown data 8 bytes uint64_t */
2461                         SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2462
2463                         /* the used disk space 8 bytes uint64_t */
2464                         SBIG_UINT(entry,16,qt.usedspace);
2465
2466                         /* the soft quotas 8 bytes uint64_t */
2467                         SBIG_UINT(entry,24,qt.softlim);
2468
2469                         /* the hard quotas 8 bytes uint64_t */
2470                         SBIG_UINT(entry,32,qt.hardlim);
2471
2472                         /* and now the SID */
2473                         sid_linearize(entry+40, sid_len, &sid);
2474
2475                         break;
2476
2477                 default:
2478                         DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2479                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2480                         return;
2481                         break;
2482         }
2483
2484         send_nt_replies(conn, req, nt_status, params, param_len,
2485                         pdata, data_len);
2486 }
2487
2488 /****************************************************************************
2489  Reply to set user quota
2490 ****************************************************************************/
2491
2492 static void call_nt_transact_set_user_quota(connection_struct *conn,
2493                                             struct smb_request *req,
2494                                             uint16 **ppsetup,
2495                                             uint32 setup_count,
2496                                             char **ppparams,
2497                                             uint32 parameter_count,
2498                                             char **ppdata,
2499                                             uint32 data_count,
2500                                             uint32 max_data_count)
2501 {
2502         char *params = *ppparams;
2503         char *pdata = *ppdata;
2504         int data_len=0,param_len=0;
2505         SMB_NTQUOTA_STRUCT qt;
2506         size_t sid_len;
2507         DOM_SID sid;
2508         files_struct *fsp = NULL;
2509
2510         ZERO_STRUCT(qt);
2511
2512         /* access check */
2513         if (conn->server_info->utok.uid != 0) {
2514                 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2515                          "[%s]\n", lp_servicename(SNUM(conn)),
2516                          conn->server_info->unix_name));
2517                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2518                 return;
2519         }
2520
2521         /*
2522          * Ensure minimum number of parameters sent.
2523          */
2524
2525         if (parameter_count < 2) {
2526                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2527                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2528                 return;
2529         }
2530
2531         /* maybe we can check the quota_fnum */
2532         fsp = file_fsp(req, SVAL(params,0));
2533         if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2534                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2535                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2536                 return;
2537         }
2538
2539         if (data_count < 40) {
2540                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2541                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2542                 return;
2543         }
2544
2545         /* offset to next quota record.
2546          * 4 bytes IVAL(pdata,0)
2547          * unused here...
2548          */
2549
2550         /* sid len */
2551         sid_len = IVAL(pdata,4);
2552
2553         if (data_count < 40+sid_len) {
2554                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2555                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2556                 return;
2557         }
2558
2559         /* unknown 8 bytes in pdata
2560          * maybe its the change time in NTTIME
2561          */
2562
2563         /* the used space 8 bytes (uint64_t)*/
2564         qt.usedspace = (uint64_t)IVAL(pdata,16);
2565 #ifdef LARGE_SMB_OFF_T
2566         qt.usedspace |= (((uint64_t)IVAL(pdata,20)) << 32);
2567 #else /* LARGE_SMB_OFF_T */
2568         if ((IVAL(pdata,20) != 0)&&
2569                 ((qt.usedspace != 0xFFFFFFFF)||
2570                 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2571                 /* more than 32 bits? */
2572                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2573                 return;
2574         }
2575 #endif /* LARGE_SMB_OFF_T */
2576
2577         /* the soft quotas 8 bytes (uint64_t)*/
2578         qt.softlim = (uint64_t)IVAL(pdata,24);
2579 #ifdef LARGE_SMB_OFF_T
2580         qt.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
2581 #else /* LARGE_SMB_OFF_T */
2582         if ((IVAL(pdata,28) != 0)&&
2583                 ((qt.softlim != 0xFFFFFFFF)||
2584                 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2585                 /* more than 32 bits? */
2586                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2587                 return;
2588         }
2589 #endif /* LARGE_SMB_OFF_T */
2590
2591         /* the hard quotas 8 bytes (uint64_t)*/
2592         qt.hardlim = (uint64_t)IVAL(pdata,32);
2593 #ifdef LARGE_SMB_OFF_T
2594         qt.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
2595 #else /* LARGE_SMB_OFF_T */
2596         if ((IVAL(pdata,36) != 0)&&
2597                 ((qt.hardlim != 0xFFFFFFFF)||
2598                 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2599                 /* more than 32 bits? */
2600                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2601                 return;
2602         }
2603 #endif /* LARGE_SMB_OFF_T */
2604
2605         sid_parse(pdata+40,sid_len,&sid);
2606         DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2607
2608         /* 44 unknown bytes left... */
2609
2610         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2611                 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2612                 return;
2613         }
2614
2615         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2616                         pdata, data_len);
2617 }
2618 #endif /* HAVE_SYS_QUOTAS */
2619
2620 static void handle_nttrans(connection_struct *conn,
2621                            struct trans_state *state,
2622                            struct smb_request *req)
2623 {
2624         if (get_Protocol() >= PROTOCOL_NT1) {
2625                 req->flags2 |= 0x40; /* IS_LONG_NAME */
2626                 SSVAL(req->inbuf,smb_flg2,req->flags2);
2627         }
2628
2629
2630         SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
2631
2632         /* Now we must call the relevant NT_TRANS function */
2633         switch(state->call) {
2634                 case NT_TRANSACT_CREATE:
2635                 {
2636                         START_PROFILE(NT_transact_create);
2637                         call_nt_transact_create(
2638                                 conn, req,
2639                                 &state->setup, state->setup_count,
2640                                 &state->param, state->total_param,
2641                                 &state->data, state->total_data,
2642                                 state->max_data_return);
2643                         END_PROFILE(NT_transact_create);
2644                         break;
2645                 }
2646
2647                 case NT_TRANSACT_IOCTL:
2648                 {
2649                         START_PROFILE(NT_transact_ioctl);
2650                         call_nt_transact_ioctl(
2651                                 conn, req,
2652                                 &state->setup, state->setup_count,
2653                                 &state->param, state->total_param,
2654                                 &state->data, state->total_data,
2655                                 state->max_data_return);
2656                         END_PROFILE(NT_transact_ioctl);
2657                         break;
2658                 }
2659
2660                 case NT_TRANSACT_SET_SECURITY_DESC:
2661                 {
2662                         START_PROFILE(NT_transact_set_security_desc);
2663                         call_nt_transact_set_security_desc(
2664                                 conn, req,
2665                                 &state->setup, state->setup_count,
2666                                 &state->param, state->total_param,
2667                                 &state->data, state->total_data,
2668                                 state->max_data_return);
2669                         END_PROFILE(NT_transact_set_security_desc);
2670                         break;
2671                 }
2672
2673                 case NT_TRANSACT_NOTIFY_CHANGE:
2674                 {
2675                         START_PROFILE(NT_transact_notify_change);
2676                         call_nt_transact_notify_change(
2677                                 conn, req,
2678                                 &state->setup, state->setup_count,
2679                                 &state->param, state->total_param,
2680                                 &state->data, state->total_data,
2681                                 state->max_data_return,
2682                                 state->max_param_return);
2683                         END_PROFILE(NT_transact_notify_change);
2684                         break;
2685                 }
2686
2687                 case NT_TRANSACT_RENAME:
2688                 {
2689                         START_PROFILE(NT_transact_rename);
2690                         call_nt_transact_rename(
2691                                 conn, req,
2692                                 &state->setup, state->setup_count,
2693                                 &state->param, state->total_param,
2694                                 &state->data, state->total_data,
2695                                 state->max_data_return);
2696                         END_PROFILE(NT_transact_rename);
2697                         break;
2698                 }
2699
2700                 case NT_TRANSACT_QUERY_SECURITY_DESC:
2701                 {
2702                         START_PROFILE(NT_transact_query_security_desc);
2703                         call_nt_transact_query_security_desc(
2704                                 conn, req,
2705                                 &state->setup, state->setup_count,
2706                                 &state->param, state->total_param,
2707                                 &state->data, state->total_data,
2708                                 state->max_data_return);
2709                         END_PROFILE(NT_transact_query_security_desc);
2710                         break;
2711                 }
2712
2713 #ifdef HAVE_SYS_QUOTAS
2714                 case NT_TRANSACT_GET_USER_QUOTA:
2715                 {
2716                         START_PROFILE(NT_transact_get_user_quota);
2717                         call_nt_transact_get_user_quota(
2718                                 conn, req,
2719                                 &state->setup, state->setup_count,
2720                                 &state->param, state->total_param,
2721                                 &state->data, state->total_data,
2722                                 state->max_data_return);
2723                         END_PROFILE(NT_transact_get_user_quota);
2724                         break;
2725                 }
2726
2727                 case NT_TRANSACT_SET_USER_QUOTA:
2728                 {
2729                         START_PROFILE(NT_transact_set_user_quota);
2730                         call_nt_transact_set_user_quota(
2731                                 conn, req,
2732                                 &state->setup, state->setup_count,
2733                                 &state->param, state->total_param,
2734                                 &state->data, state->total_data,
2735                                 state->max_data_return);
2736                         END_PROFILE(NT_transact_set_user_quota);
2737                         break;
2738                 }
2739 #endif /* HAVE_SYS_QUOTAS */
2740
2741                 default:
2742                         /* Error in request */
2743                         DEBUG(0,("handle_nttrans: Unknown request %d in "
2744                                  "nttrans call\n", state->call));
2745                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2746                         return;
2747         }
2748         return;
2749 }
2750
2751 /****************************************************************************
2752  Reply to a SMBNTtrans.
2753 ****************************************************************************/
2754
2755 void reply_nttrans(struct smb_request *req)
2756 {
2757         connection_struct *conn = req->conn;
2758         uint32_t pscnt;
2759         uint32_t psoff;
2760         uint32_t dscnt;
2761         uint32_t dsoff;
2762         uint16 function_code;
2763         NTSTATUS result;
2764         struct trans_state *state;
2765
2766         START_PROFILE(SMBnttrans);
2767
2768         if (req->wct < 19) {
2769                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2770                 END_PROFILE(SMBnttrans);
2771                 return;
2772         }
2773
2774         pscnt = IVAL(req->vwv+9, 1);
2775         psoff = IVAL(req->vwv+11, 1);
2776         dscnt = IVAL(req->vwv+13, 1);
2777         dsoff = IVAL(req->vwv+15, 1);
2778         function_code = SVAL(req->vwv+18, 0);
2779
2780         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2781                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2782                 END_PROFILE(SMBnttrans);
2783                 return;
2784         }
2785
2786         result = allow_new_trans(conn->pending_trans, req->mid);
2787         if (!NT_STATUS_IS_OK(result)) {
2788                 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2789                 reply_nterror(req, result);
2790                 END_PROFILE(SMBnttrans);
2791                 return;
2792         }
2793
2794         if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
2795                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2796                 END_PROFILE(SMBnttrans);
2797                 return;
2798         }
2799
2800         state->cmd = SMBnttrans;
2801
2802         state->mid = req->mid;
2803         state->vuid = req->vuid;
2804         state->total_data = IVAL(req->vwv+3, 1);
2805         state->data = NULL;
2806         state->total_param = IVAL(req->vwv+1, 1);
2807         state->param = NULL;
2808         state->max_data_return = IVAL(req->vwv+7, 1);
2809         state->max_param_return = IVAL(req->vwv+5, 1);
2810
2811         /* setup count is in *words* */
2812         state->setup_count = 2*CVAL(req->vwv+17, 1);
2813         state->setup = NULL;
2814         state->call = function_code;
2815
2816         DEBUG(10, ("num_setup=%u, "
2817                    "param_total=%u, this_param=%u, max_param=%u, "
2818                    "data_total=%u, this_data=%u, max_data=%u, "
2819                    "param_offset=%u, data_offset=%u\n",
2820                    (unsigned)state->setup_count,
2821                    (unsigned)state->total_param, (unsigned)pscnt,
2822                    (unsigned)state->max_param_return,
2823                    (unsigned)state->total_data, (unsigned)dscnt,
2824                    (unsigned)state->max_data_return,
2825                    (unsigned)psoff, (unsigned)dsoff));
2826
2827         /*
2828          * All nttrans messages we handle have smb_wct == 19 +
2829          * state->setup_count.  Ensure this is so as a sanity check.
2830          */
2831
2832         if(req->wct != 19 + (state->setup_count/2)) {
2833                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2834                          req->wct, 19 + (state->setup_count/2)));
2835                 goto bad_param;
2836         }
2837
2838         /* Don't allow more than 128mb for each value. */
2839         if ((state->total_data > (1024*1024*128)) ||
2840             (state->total_param > (1024*1024*128))) {
2841                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2842                 END_PROFILE(SMBnttrans);
2843                 return;
2844         }
2845
2846         if ((dscnt > state->total_data) || (pscnt > state->total_param))
2847                 goto bad_param;
2848
2849         if (state->total_data)  {
2850
2851                 if (trans_oob(state->total_data, 0, dscnt)
2852                     || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
2853                         goto bad_param;
2854                 }
2855
2856                 /* Can't use talloc here, the core routines do realloc on the
2857                  * params and data. */
2858                 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2859                         DEBUG(0,("reply_nttrans: data malloc fail for %u "
2860                                  "bytes !\n", (unsigned int)state->total_data));
2861                         TALLOC_FREE(state);
2862                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2863                         END_PROFILE(SMBnttrans);
2864                         return;
2865                 }
2866
2867                 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2868         }
2869
2870         if (state->total_param) {
2871
2872                 if (trans_oob(state->total_param, 0, pscnt)
2873                     || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
2874                         goto bad_param;
2875                 }
2876
2877                 /* Can't use talloc here, the core routines do realloc on the
2878                  * params and data. */
2879                 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2880                         DEBUG(0,("reply_nttrans: param malloc fail for %u "
2881                                  "bytes !\n", (unsigned int)state->total_param));
2882                         SAFE_FREE(state->data);
2883                         TALLOC_FREE(state);
2884                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2885                         END_PROFILE(SMBnttrans);
2886                         return;
2887                 }
2888
2889                 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2890         }
2891
2892         state->received_data  = dscnt;
2893         state->received_param = pscnt;
2894
2895         if(state->setup_count > 0) {
2896                 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2897                           state->setup_count));
2898
2899                 /*
2900                  * No overflow possible here, state->setup_count is an
2901                  * unsigned int, being filled by a single byte from
2902                  * CVAL(req->vwv+13, 0) above. The cast in the comparison
2903                  * below is not necessary, it's here to clarify things. The
2904                  * validity of req->vwv and req->wct has been checked in
2905                  * init_smb_request already.
2906                  */
2907                 if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
2908                         goto bad_param;
2909                 }
2910
2911                 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2912                 if (state->setup == NULL) {
2913                         DEBUG(0,("reply_nttrans : Out of memory\n"));
2914                         SAFE_FREE(state->data);
2915                         SAFE_FREE(state->param);
2916                         TALLOC_FREE(state);
2917                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2918                         END_PROFILE(SMBnttrans);
2919                         return;
2920                 }
2921
2922                 memcpy(state->setup, req->vwv+19, state->setup_count);
2923                 dump_data(10, (uint8 *)state->setup, state->setup_count);
2924         }
2925
2926         if ((state->received_data == state->total_data) &&
2927             (state->received_param == state->total_param)) {
2928                 handle_nttrans(conn, state, req);
2929                 SAFE_FREE(state->param);
2930                 SAFE_FREE(state->data);
2931                 TALLOC_FREE(state);
2932                 END_PROFILE(SMBnttrans);
2933                 return;
2934         }
2935
2936         DLIST_ADD(conn->pending_trans, state);
2937
2938         /* We need to send an interim response then receive the rest
2939            of the parameter/data bytes */
2940         reply_outbuf(req, 0, 0);
2941         show_msg((char *)req->outbuf);
2942         END_PROFILE(SMBnttrans);
2943         return;
2944
2945   bad_param:
2946
2947         DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2948         SAFE_FREE(state->data);
2949         SAFE_FREE(state->param);
2950         TALLOC_FREE(state);
2951         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2952         END_PROFILE(SMBnttrans);
2953         return;
2954 }
2955
2956 /****************************************************************************
2957  Reply to a SMBnttranss
2958  ****************************************************************************/
2959
2960 void reply_nttranss(struct smb_request *req)
2961 {
2962         connection_struct *conn = req->conn;
2963         uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
2964         struct trans_state *state;
2965
2966         START_PROFILE(SMBnttranss);
2967
2968         show_msg((char *)req->inbuf);
2969
2970         if (req->wct < 18) {
2971                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2972                 END_PROFILE(SMBnttranss);
2973                 return;
2974         }
2975
2976         for (state = conn->pending_trans; state != NULL;
2977              state = state->next) {
2978                 if (state->mid == req->mid) {
2979                         break;
2980                 }
2981         }
2982
2983         if ((state == NULL) || (state->cmd != SMBnttrans)) {
2984                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2985                 END_PROFILE(SMBnttranss);
2986                 return;
2987         }
2988
2989         /* Revise state->total_param and state->total_data in case they have
2990            changed downwards */
2991         if (IVAL(req->vwv+1, 1) < state->total_param) {
2992                 state->total_param = IVAL(req->vwv+1, 1);
2993         }
2994         if (IVAL(req->vwv+3, 1) < state->total_data) {
2995                 state->total_data = IVAL(req->vwv+3, 1);
2996         }
2997
2998         pcnt = IVAL(req->vwv+5, 1);
2999         poff = IVAL(req->vwv+7, 1);
3000         pdisp = IVAL(req->vwv+9, 1);
3001
3002         dcnt = IVAL(req->vwv+11, 1);
3003         doff = IVAL(req->vwv+13, 1);
3004         ddisp = IVAL(req->vwv+15, 1);
3005
3006         state->received_param += pcnt;
3007         state->received_data += dcnt;
3008
3009         if ((state->received_data > state->total_data) ||
3010             (state->received_param > state->total_param))
3011                 goto bad_param;
3012
3013         if (pcnt) {
3014                 if (trans_oob(state->total_param, pdisp, pcnt)
3015                     || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
3016                         goto bad_param;
3017                 }
3018                 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
3019         }
3020
3021         if (dcnt) {
3022                 if (trans_oob(state->total_data, ddisp, dcnt)
3023                     || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
3024                         goto bad_param;
3025                 }
3026                 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
3027         }
3028
3029         if ((state->received_param < state->total_param) ||
3030             (state->received_data < state->total_data)) {
3031                 END_PROFILE(SMBnttranss);
3032                 return;
3033         }
3034
3035         handle_nttrans(conn, state, req);
3036
3037         DLIST_REMOVE(conn->pending_trans, state);
3038         SAFE_FREE(state->data);
3039         SAFE_FREE(state->param);
3040         TALLOC_FREE(state);
3041         END_PROFILE(SMBnttranss);
3042         return;
3043
3044   bad_param:
3045
3046         DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3047         DLIST_REMOVE(conn->pending_trans, state);
3048         SAFE_FREE(state->data);
3049         SAFE_FREE(state->param);
3050         TALLOC_FREE(state);
3051         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3052         END_PROFILE(SMBnttranss);
3053         return;
3054 }