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 "system/filesys.h"
  23 #include "smbd/smbd.h"
  24 #include "smbd/globals.h"
  25 #include "fake_file.h"
  26 #include "../libcli/security/security.h"
  27 #include "../librpc/gen_ndr/ndr_security.h"
  28 #include "passdb/lookup_sid.h"
  29 #include "auth.h"
  30 #include "smbprofile.h"
  31 #include "libsmb/libsmb.h"
  32
  33 extern const struct generic_mapping file_generic_mapping;
  34
  35 static char *nttrans_realloc(char **ptr, size_t size)
  36 {
  37         if (ptr==NULL) {
  38                 smb_panic("nttrans_realloc() called with NULL ptr");
  39         }
  40
  41         *ptr = (char *)SMB_REALLOC(*ptr, size);
  42         if(*ptr == NULL) {
  43                 return NULL;
  44         }
  45         memset(*ptr,'\0',size);
  46         return *ptr;
  47 }
  48
  49 /****************************************************************************
  50  Send the required number of replies back.
  51  We assume all fields other than the data fields are
  52  set correctly for the type of call.
  53  HACK ! Always assumes smb_setup field is zero.
  54 ****************************************************************************/
  55
  56 static void send_nt_replies(connection_struct *conn,
  57                             struct smb_request *req, NTSTATUS nt_error,
  58                             char *params, int paramsize,
  59                             char *pdata, int datasize)
  60 {
  61         int data_to_send = datasize;
  62         int params_to_send = paramsize;
  63         int useable_space;
  64         char *pp = params;
  65         char *pd = pdata;
  66         int params_sent_thistime, data_sent_thistime, total_sent_thistime;
  67         int alignment_offset = 1;
  68         int data_alignment_offset = 0;
  69         struct smbd_server_connection *sconn = req->sconn;
  70         int max_send = sconn->smb1.sessions.max_send;
  71
  72         /*
  73          * If there genuinely are no parameters or data to send just send
  74          * the empty packet.
  75          */
  76
  77         if(params_to_send == 0 && data_to_send == 0) {
  78                 reply_outbuf(req, 18, 0);
  79                 if (NT_STATUS_V(nt_error)) {
  80                         error_packet_set((char *)req->outbuf,
  81                                          0, 0, nt_error,
  82                                          __LINE__,__FILE__);
  83                 }
  84                 show_msg((char *)req->outbuf);
  85                 if (!srv_send_smb(sconn,
  86                                 (char *)req->outbuf,
  87                                 true, req->seqnum+1,
  88                                 IS_CONN_ENCRYPTED(conn),
  89                                 &req->pcd)) {
  90                         exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
  91                 }
  92                 TALLOC_FREE(req->outbuf);
  93                 return;
  94         }
  95
  96         /*
  97          * When sending params and data ensure that both are nicely aligned.
  98          * Only do this alignment when there is also data to send - else
  99          * can cause NT redirector problems.
 100          */
 101
 102         if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
 103                 data_alignment_offset = 4 - (params_to_send % 4);
 104         }
 105
 106         /*
 107          * Space is bufsize minus Netbios over TCP header minus SMB header.
 108          * The alignment_offset is to align the param bytes on a four byte
 109          * boundary (2 bytes for data len, one byte pad).
 110          * NT needs this to work correctly.
 111          */
 112
 113         useable_space = max_send - (smb_size
 114                                     + 2 * 18 /* wct */
 115                                     + alignment_offset
 116                                     + data_alignment_offset);
 117
 118         if (useable_space < 0) {
 119                 char *msg = talloc_asprintf(
 120                         talloc_tos(),
 121                         "send_nt_replies failed sanity useable_space = %d!!!",
 122                         useable_space);
 123                 DEBUG(0, ("%s\n", msg));
 124                 exit_server_cleanly(msg);
 125         }
 126
 127         while (params_to_send || data_to_send) {
 128
 129                 /*
 130                  * Calculate whether we will totally or partially fill this packet.
 131                  */
 132
 133                 total_sent_thistime = params_to_send + data_to_send;
 134
 135                 /*
 136                  * We can never send more than useable_space.
 137                  */
 138
 139                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
 140
 141                 reply_outbuf(req, 18,
 142                              total_sent_thistime + alignment_offset
 143                              + data_alignment_offset);
 144
 145                 /*
 146                  * Set total params and data to be sent.
 147                  */
 148
 149                 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
 150                 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
 151
 152                 /*
 153                  * Calculate how many parameters and data we can fit into
 154                  * this packet. Parameters get precedence.
 155                  */
 156
 157                 params_sent_thistime = MIN(params_to_send,useable_space);
 158                 data_sent_thistime = useable_space - params_sent_thistime;
 159                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
 160
 161                 SIVAL(req->outbuf, smb_ntr_ParameterCount,
 162                       params_sent_thistime);
 163
 164                 if(params_sent_thistime == 0) {
 165                         SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
 166                         SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
 167                 } else {
 168                         /*
 169                          * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
 170                          * parameter bytes, however the first 4 bytes of outbuf are
 171                          * the Netbios over TCP header. Thus use smb_base() to subtract
 172                          * them from the calculation.
 173                          */
 174
 175                         SIVAL(req->outbuf,smb_ntr_ParameterOffset,
 176                               ((smb_buf(req->outbuf)+alignment_offset)
 177                                - smb_base(req->outbuf)));
 178                         /*
 179                          * Absolute displacement of param bytes sent in this packet.
 180                          */
 181
 182                         SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
 183                               pp - params);
 184                 }
 185
 186                 /*
 187                  * Deal with the data portion.
 188                  */
 189
 190                 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
 191
 192                 if(data_sent_thistime == 0) {
 193                         SIVAL(req->outbuf,smb_ntr_DataOffset,0);
 194                         SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
 195                 } else {
 196                         /*
 197                          * The offset of the data bytes is the offset of the
 198                          * parameter bytes plus the number of parameters being sent this time.
 199                          */
 200
 201                         SIVAL(req->outbuf, smb_ntr_DataOffset,
 202                               ((smb_buf(req->outbuf)+alignment_offset) -
 203                                smb_base(req->outbuf))
 204                               + params_sent_thistime + data_alignment_offset);
 205                         SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
 206                 }
 207
 208                 /*
 209                  * Copy the param bytes into the packet.
 210                  */
 211
 212                 if(params_sent_thistime) {
 213                         if (alignment_offset != 0) {
 214                                 memset(smb_buf(req->outbuf), 0,
 215                                        alignment_offset);
 216                         }
 217                         memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
 218                                params_sent_thistime);
 219                 }
 220
 221                 /*
 222                  * Copy in the data bytes
 223                  */
 224
 225                 if(data_sent_thistime) {
 226                         if (data_alignment_offset != 0) {
 227                                 memset((smb_buf(req->outbuf)+alignment_offset+
 228                                         params_sent_thistime), 0,
 229                                        data_alignment_offset);
 230                         }
 231                         memcpy(smb_buf(req->outbuf)+alignment_offset
 232                                +params_sent_thistime+data_alignment_offset,
 233                                pd,data_sent_thistime);
 234                 }
 235
 236                 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
 237                         params_sent_thistime, data_sent_thistime, useable_space));
 238                 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
 239                         params_to_send, data_to_send, paramsize, datasize));
 240
 241                 if (NT_STATUS_V(nt_error)) {
 242                         error_packet_set((char *)req->outbuf,
 243                                          0, 0, nt_error,
 244                                          __LINE__,__FILE__);
 245                 }
 246
 247                 /* Send the packet */
 248                 show_msg((char *)req->outbuf);
 249                 if (!srv_send_smb(sconn,
 250                                 (char *)req->outbuf,
 251                                 true, req->seqnum+1,
 252                                 IS_CONN_ENCRYPTED(conn),
 253                                 &req->pcd)) {
 254                         exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
 255                 }
 256
 257                 TALLOC_FREE(req->outbuf);
 258
 259                 pp += params_sent_thistime;
 260                 pd += data_sent_thistime;
 261
 262                 params_to_send -= params_sent_thistime;
 263                 data_to_send -= data_sent_thistime;
 264
 265                 /*
 266                  * Sanity check
 267                  */
 268
 269                 if(params_to_send < 0 || data_to_send < 0) {
 270                         DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
 271                                 params_to_send, data_to_send));
 272                         exit_server_cleanly("send_nt_replies: internal error");
 273                 }
 274         }
 275 }
 276
 277 /****************************************************************************
 278  Reply to an NT create and X call on a pipe
 279 ****************************************************************************/
 280
 281 static void nt_open_pipe(char *fname, connection_struct *conn,
 282                          struct smb_request *req, uint16_t *ppnum)
 283 {
 284         files_struct *fsp;
 285         NTSTATUS status;
 286
 287         DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
 288
 289         /* Strip \\ off the name if present. */
 290         while (fname[0] == '\\') {
 291                 fname++;
 292         }
 293
 294         status = open_np_file(req, fname, &fsp);
 295         if (!NT_STATUS_IS_OK(status)) {
 296                 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
 297                         reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
 298                                         ERRDOS, ERRbadpipe);
 299                         return;
 300                 }
 301                 reply_nterror(req, status);
 302                 return;
 303         }
 304
 305         *ppnum = fsp->fnum;
 306         return;
 307 }
 308
 309 /****************************************************************************
 310  Reply to an NT create and X call for pipes.
 311 ****************************************************************************/
 312
 313 static void do_ntcreate_pipe_open(connection_struct *conn,
 314                                   struct smb_request *req)
 315 {
 316         char *fname = NULL;
 317         uint16_t pnum = FNUM_FIELD_INVALID;
 318         char *p = NULL;
 319         uint32 flags = IVAL(req->vwv+3, 1);
 320         TALLOC_CTX *ctx = talloc_tos();
 321
 322         srvstr_pull_req_talloc(ctx, req, &fname, req->buf, STR_TERMINATE);
 323
 324         if (!fname) {
 325                 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
 326                                 ERRDOS, ERRbadpipe);
 327                 return;
 328         }
 329         nt_open_pipe(fname, conn, req, &pnum);
 330
 331         if (req->outbuf) {
 332                 /* error reply */
 333                 return;
 334         }
 335
 336         /*
 337          * Deal with pipe return.
 338          */
 339
 340         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 341                 /* This is very strange. We
 342                  * return 50 words, but only set
 343                  * the wcnt to 42 ? It's definitely
 344                  * what happens on the wire....
 345                  */
 346                 reply_outbuf(req, 50, 0);
 347                 SCVAL(req->outbuf,smb_wct,42);
 348         } else {
 349                 reply_outbuf(req, 34, 0);
 350         }
 351
 352         SSVAL(req->outbuf, smb_vwv0, 0xff); /* andx chain ends */
 353         SSVAL(req->outbuf, smb_vwv1, 0);    /* no andx offset */
 354
 355         p = (char *)req->outbuf + smb_vwv2;
 356         p++;
 357         SSVAL(p,0,pnum);
 358         p += 2;
 359         SIVAL(p,0,FILE_WAS_OPENED);
 360         p += 4;
 361         p += 32;
 362         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 363         p += 20;
 364         /* File type. */
 365         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 366         /* Device state. */
 367         SSVAL(p,2, 0x5FF); /* ? */
 368         p += 4;
 369
 370         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 371                 p += 25;
 372                 SIVAL(p,0,FILE_GENERIC_ALL);
 373                 /*
 374                  * For pipes W2K3 seems to return
 375                  * 0x12019B next.
 376                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
 377                  */
 378                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
 379         }
 380
 381         DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
 382 }
 383
 384 struct case_semantics_state {
 385         connection_struct *conn;
 386         bool case_sensitive;
 387         bool case_preserve;
 388         bool short_case_preserve;
 389 };
 390
 391 /****************************************************************************
 392  Restore case semantics.
 393 ****************************************************************************/
 394
 395 static int restore_case_semantics(struct case_semantics_state *state)
 396 {
 397         state->conn->case_sensitive = state->case_sensitive;
 398         state->conn->case_preserve = state->case_preserve;
 399         state->conn->short_case_preserve = state->short_case_preserve;
 400         return 0;
 401 }
 402
 403 /****************************************************************************
 404  Save case semantics.
 405 ****************************************************************************/
 406
 407 static struct case_semantics_state *set_posix_case_semantics(TALLOC_CTX *mem_ctx,
 408                                                 connection_struct *conn)
 409 {
 410         struct case_semantics_state *result;
 411
 412         if (!(result = talloc(mem_ctx, struct case_semantics_state))) {
 413                 return NULL;
 414         }
 415
 416         result->conn = conn;
 417         result->case_sensitive = conn->case_sensitive;
 418         result->case_preserve = conn->case_preserve;
 419         result->short_case_preserve = conn->short_case_preserve;
 420
 421         /* Set to POSIX. */
 422         conn->case_sensitive = True;
 423         conn->case_preserve = True;
 424         conn->short_case_preserve = True;
 425
 426         talloc_set_destructor(result, restore_case_semantics);
 427
 428         return result;
 429 }
 430
 431 /****************************************************************************
 432  Reply to an NT create and X call.
 433 ****************************************************************************/
 434
 435 void reply_ntcreate_and_X(struct smb_request *req)
 436 {
 437         connection_struct *conn = req->conn;
 438         struct smb_filename *smb_fname = NULL;
 439         char *fname = NULL;
 440         uint32 flags;
 441         uint32 access_mask;
 442         uint32 file_attributes;
 443         uint32 share_access;
 444         uint32 create_disposition;
 445         uint32 create_options;
 446         uint16 root_dir_fid;
 447         uint64_t allocation_size;
 448         /* Breakout the oplock request bits so we can set the
 449            reply bits separately. */
 450         uint32 fattr=0;
 451         off_t file_len = 0;
 452         int info = 0;
 453         files_struct *fsp = NULL;
 454         char *p = NULL;
 455         struct timespec create_timespec;
 456         struct timespec c_timespec;
 457         struct timespec a_timespec;
 458         struct timespec m_timespec;
 459         struct timespec write_time_ts;
 460         NTSTATUS status;
 461         int oplock_request;
 462         uint8_t oplock_granted = NO_OPLOCK_RETURN;
 463         struct case_semantics_state *case_state = NULL;
 464         TALLOC_CTX *ctx = talloc_tos();
 465
 466         START_PROFILE(SMBntcreateX);
 467
 468         if (req->wct < 24) {
 469                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 470                 goto out;
 471         }
 472
 473         flags = IVAL(req->vwv+3, 1);
 474         access_mask = IVAL(req->vwv+7, 1);
 475         file_attributes = IVAL(req->vwv+13, 1);
 476         share_access = IVAL(req->vwv+15, 1);
 477         create_disposition = IVAL(req->vwv+17, 1);
 478         create_options = IVAL(req->vwv+19, 1);
 479         root_dir_fid = (uint16)IVAL(req->vwv+5, 1);
 480
 481         allocation_size = BVAL(req->vwv+9, 1);
 482
 483         srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
 484                             STR_TERMINATE, &status);
 485
 486         if (!NT_STATUS_IS_OK(status)) {
 487                 reply_nterror(req, status);
 488                 goto out;
 489         }
 490
 491         DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
 492                   "file_attributes = 0x%x, share_access = 0x%x, "
 493                   "create_disposition = 0x%x create_options = 0x%x "
 494                   "root_dir_fid = 0x%x, fname = %s\n",
 495                         (unsigned int)flags,
 496                         (unsigned int)access_mask,
 497                         (unsigned int)file_attributes,
 498                         (unsigned int)share_access,
 499                         (unsigned int)create_disposition,
 500                         (unsigned int)create_options,
 501                         (unsigned int)root_dir_fid,
 502                         fname));
 503
 504         /*
 505          * we need to remove ignored bits when they come directly from the client
 506          * because we reuse some of them for internal stuff
 507          */
 508         create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
 509
 510         /*
 511          * If it's an IPC, use the pipe handler.
 512          */
 513
 514         if (IS_IPC(conn)) {
 515                 if (lp_nt_pipe_support()) {
 516                         do_ntcreate_pipe_open(conn, req);
 517                         goto out;
 518                 }
 519                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
 520                 goto out;
 521         }
 522
 523         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 524         if (oplock_request) {
 525                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
 526                         ? BATCH_OPLOCK : 0;
 527         }
 528
 529         if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
 530                 case_state = set_posix_case_semantics(ctx, conn);
 531                 if (!case_state) {
 532                         reply_nterror(req, NT_STATUS_NO_MEMORY);
 533                         goto out;
 534                 }
 535         }
 536
 537         status = filename_convert(ctx,
 538                                 conn,
 539                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
 540                                 fname,
 541                                 0,
 542                                 NULL,
 543                                 &smb_fname);
 544
 545         TALLOC_FREE(case_state);
 546
 547         if (!NT_STATUS_IS_OK(status)) {
 548                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
 549                         reply_botherror(req,
 550                                 NT_STATUS_PATH_NOT_COVERED,
 551                                 ERRSRV, ERRbadpath);
 552                         goto out;
 553                 }
 554                 reply_nterror(req, status);
 555                 goto out;
 556         }
 557
 558         /*
 559          * Bug #6898 - clients using Windows opens should
 560          * never be able to set this attribute into the
 561          * VFS.
 562          */
 563         file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
 564
 565         status = SMB_VFS_CREATE_FILE(
 566                 conn,                                   /* conn */
 567                 req,                                    /* req */
 568                 root_dir_fid,                           /* root_dir_fid */
 569                 smb_fname,                              /* fname */
 570                 access_mask,                            /* access_mask */
 571                 share_access,                           /* share_access */
 572                 create_disposition,                     /* create_disposition*/
 573                 create_options,                         /* create_options */
 574                 file_attributes,                        /* file_attributes */
 575                 oplock_request,                         /* oplock_request */
 576                 allocation_size,                        /* allocation_size */
 577                 0,                                      /* private_flags */
 578                 NULL,                                   /* sd */
 579                 NULL,                                   /* ea_list */
 580                 &fsp,                                   /* result */
 581                 &info);                                 /* pinfo */
 582
 583         if (!NT_STATUS_IS_OK(status)) {
 584                 if (open_was_deferred(req->sconn, req->mid)) {
 585                         /* We have re-scheduled this call, no error. */
 586                         goto out;
 587                 }
 588                 reply_openerror(req, status);
 589                 goto out;
 590         }
 591
 592         /* Ensure we're pointing at the correct stat struct. */
 593         TALLOC_FREE(smb_fname);
 594         smb_fname = fsp->fsp_name;
 595
 596         /*
 597          * If the caller set the extended oplock request bit
 598          * and we granted one (by whatever means) - set the
 599          * correct bit for extended oplock reply.
 600          */
 601
 602         if (oplock_request &&
 603             (lp_fake_oplocks(SNUM(conn))
 604              || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
 605
 606                 /*
 607                  * Exclusive oplock granted
 608                  */
 609
 610                 if (flags & REQUEST_BATCH_OPLOCK) {
 611                         oplock_granted = BATCH_OPLOCK_RETURN;
 612                 } else {
 613                         oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
 614                 }
 615         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
 616                 oplock_granted = LEVEL_II_OPLOCK_RETURN;
 617         } else {
 618                 oplock_granted = NO_OPLOCK_RETURN;
 619         }
 620
 621         file_len = smb_fname->st.st_ex_size;
 622
 623         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 624                 /* This is very strange. We
 625                  * return 50 words, but only set
 626                  * the wcnt to 42 ? It's definitely
 627                  * what happens on the wire....
 628                  */
 629                 reply_outbuf(req, 50, 0);
 630                 SCVAL(req->outbuf,smb_wct,42);
 631         } else {
 632                 reply_outbuf(req, 34, 0);
 633         }
 634
 635         SSVAL(req->outbuf, smb_vwv0, 0xff); /* andx chain ends */
 636         SSVAL(req->outbuf, smb_vwv1, 0);    /* no andx offset */
 637
 638         p = (char *)req->outbuf + smb_vwv2;
 639
 640         SCVAL(p, 0, oplock_granted);
 641
 642         p++;
 643         SSVAL(p,0,fsp->fnum);
 644         p += 2;
 645         if ((create_disposition == FILE_SUPERSEDE)
 646             && (info == FILE_WAS_OVERWRITTEN)) {
 647                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
 648         } else {
 649                 SIVAL(p,0,info);
 650         }
 651         p += 4;
 652
 653         fattr = dos_mode(conn, smb_fname);
 654         if (fattr == 0) {
 655                 fattr = FILE_ATTRIBUTE_NORMAL;
 656         }
 657
 658         /* Deal with other possible opens having a modified
 659            write time. JRA. */
 660         ZERO_STRUCT(write_time_ts);
 661         get_file_infos(fsp->file_id, 0, NULL, &write_time_ts);
 662         if (!null_timespec(write_time_ts)) {
 663                 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
 664         }
 665
 666         /* Create time. */
 667         create_timespec = get_create_timespec(conn, fsp, smb_fname);
 668         a_timespec = smb_fname->st.st_ex_atime;
 669         m_timespec = smb_fname->st.st_ex_mtime;
 670         c_timespec = get_change_timespec(conn, fsp, smb_fname);
 671
 672         if (lp_dos_filetime_resolution(SNUM(conn))) {
 673                 dos_filetime_timespec(&create_timespec);
 674                 dos_filetime_timespec(&a_timespec);
 675                 dos_filetime_timespec(&m_timespec);
 676                 dos_filetime_timespec(&c_timespec);
 677         }
 678
 679         put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
 680         p += 8;
 681         put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
 682         p += 8;
 683         put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
 684         p += 8;
 685         put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
 686         p += 8;
 687         SIVAL(p,0,fattr); /* File Attributes. */
 688         p += 4;
 689         SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&smb_fname->st));
 690         p += 8;
 691         SOFF_T(p,0,file_len);
 692         p += 8;
 693         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 694                 uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
 695                 size_t num_names = 0;
 696                 unsigned int num_streams = 0;
 697                 struct stream_struct *streams = NULL;
 698
 699                 /* Do we have any EA's ? */
 700                 status = get_ea_names_from_file(ctx, conn, fsp,
 701                                 smb_fname->base_name, NULL, &num_names);
 702                 if (NT_STATUS_IS_OK(status) && num_names) {
 703                         file_status &= ~NO_EAS;
 704                 }
 705                 status = vfs_streaminfo(conn, NULL, smb_fname->base_name, ctx,
 706                         &num_streams, &streams);
 707                 /* There is always one stream, ::$DATA. */
 708                 if (NT_STATUS_IS_OK(status) && num_streams > 1) {
 709                         file_status &= ~NO_SUBSTREAMS;
 710                 }
 711                 TALLOC_FREE(streams);
 712                 SSVAL(p,2,file_status);
 713         }
 714         p += 4;
 715         SCVAL(p,0,fsp->is_directory ? 1 : 0);
 716
 717         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 718                 uint32 perms = 0;
 719                 p += 25;
 720                 if (fsp->is_directory ||
 721                     fsp->can_write ||
 722                     can_write_to_file(conn, smb_fname)) {
 723                         perms = FILE_GENERIC_ALL;
 724                 } else {
 725                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
 726                 }
 727                 SIVAL(p,0,perms);
 728         }
 729
 730         DEBUG(5,("reply_ntcreate_and_X: %s, open name = %s\n",
 731                 fsp_fnum_dbg(fsp), smb_fname_str_dbg(smb_fname)));
 732
 733  out:
 734         END_PROFILE(SMBntcreateX);
 735         return;
 736 }
 737
 738 /****************************************************************************
 739  Reply to a NT_TRANSACT_CREATE call to open a pipe.
 740 ****************************************************************************/
 741
 742 static void do_nt_transact_create_pipe(connection_struct *conn,
 743                                        struct smb_request *req,
 744                                        uint16 **ppsetup, uint32 setup_count,
 745                                        char **ppparams, uint32 parameter_count,
 746                                        char **ppdata, uint32 data_count)
 747 {
 748         char *fname = NULL;
 749         char *params = *ppparams;
 750         uint16_t pnum = FNUM_FIELD_INVALID;
 751         char *p = NULL;
 752         NTSTATUS status;
 753         size_t param_len;
 754         uint32 flags;
 755         TALLOC_CTX *ctx = talloc_tos();
 756
 757         /*
 758          * Ensure minimum number of parameters sent.
 759          */
 760
 761         if(parameter_count < 54) {
 762                 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
 763                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 764                 return;
 765         }
 766
 767         flags = IVAL(params,0);
 768
 769         srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
 770                         parameter_count-53, STR_TERMINATE,
 771                         &status);
 772         if (!NT_STATUS_IS_OK(status)) {
 773                 reply_nterror(req, status);
 774                 return;
 775         }
 776
 777         nt_open_pipe(fname, conn, req, &pnum);
 778
 779         if (req->outbuf) {
 780                 /* Error return */
 781                 return;
 782         }
 783
 784         /* Realloc the size of parameters and data we will return */
 785         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 786                 /* Extended response is 32 more byyes. */
 787                 param_len = 101;
 788         } else {
 789                 param_len = 69;
 790         }
 791         params = nttrans_realloc(ppparams, param_len);
 792         if(params == NULL) {
 793                 reply_nterror(req, NT_STATUS_NO_MEMORY);
 794                 return;
 795         }
 796
 797         p = params;
 798         SCVAL(p,0,NO_OPLOCK_RETURN);
 799
 800         p += 2;
 801         SSVAL(p,0,pnum);
 802         p += 2;
 803         SIVAL(p,0,FILE_WAS_OPENED);
 804         p += 8;
 805
 806         p += 32;
 807         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 808         p += 20;
 809         /* File type. */
 810         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 811         /* Device state. */
 812         SSVAL(p,2, 0x5FF); /* ? */
 813         p += 4;
 814
 815         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 816                 p += 25;
 817                 SIVAL(p,0,FILE_GENERIC_ALL);
 818                 /*
 819                  * For pipes W2K3 seems to return
 820                  * 0x12019B next.
 821                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
 822                  */
 823                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
 824         }
 825
 826         DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
 827
 828         /* Send the required number of replies */
 829         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
 830
 831         return;
 832 }
 833
 834 /*********************************************************************
 835  Windows seems to do canonicalization of inheritance bits. Do the
 836  same.
 837 *********************************************************************/
 838
 839 static void canonicalize_inheritance_bits(struct security_descriptor *psd)
 840 {
 841         bool set_auto_inherited = false;
 842
 843         /*
 844          * We need to filter out the
 845          * SEC_DESC_DACL_AUTO_INHERITED|SEC_DESC_DACL_AUTO_INHERIT_REQ
 846          * bits. If both are set we store SEC_DESC_DACL_AUTO_INHERITED
 847          * as this alters whether SEC_ACE_FLAG_INHERITED_ACE is set
 848          * when an ACE is inherited. Otherwise we zero these bits out.
 849          * See:
 850          *
 851          * http://social.msdn.microsoft.com/Forums/eu/os_fileservices/thread/11f77b68-731e-407d-b1b3-064750716531
 852          *
 853          * for details.
 854          */
 855
 856         if ((psd->type & (SEC_DESC_DACL_AUTO_INHERITED|SEC_DESC_DACL_AUTO_INHERIT_REQ))
 857                         == (SEC_DESC_DACL_AUTO_INHERITED|SEC_DESC_DACL_AUTO_INHERIT_REQ)) {
 858                 set_auto_inherited = true;
 859         }
 860
 861         psd->type &= ~(SEC_DESC_DACL_AUTO_INHERITED|SEC_DESC_DACL_AUTO_INHERIT_REQ);
 862         if (set_auto_inherited) {
 863                 psd->type |= SEC_DESC_DACL_AUTO_INHERITED;
 864         }
 865 }
 866
 867 /****************************************************************************
 868  Internal fn to set security descriptors.
 869 ****************************************************************************/
 870
 871 NTSTATUS set_sd(files_struct *fsp, struct security_descriptor *psd,
 872                        uint32_t security_info_sent)
 873 {
 874         NTSTATUS status;
 875
 876         if (!CAN_WRITE(fsp->conn)) {
 877                 return NT_STATUS_ACCESS_DENIED;
 878         }
 879
 880         if (!lp_nt_acl_support(SNUM(fsp->conn))) {
 881                 return NT_STATUS_OK;
 882         }
 883
 884         if (psd->owner_sid == NULL) {
 885                 security_info_sent &= ~SECINFO_OWNER;
 886         }
 887         if (psd->group_sid == NULL) {
 888                 security_info_sent &= ~SECINFO_GROUP;
 889         }
 890
 891         /* Ensure we have at least one thing set. */
 892         if ((security_info_sent & (SECINFO_OWNER|SECINFO_GROUP|SECINFO_DACL|SECINFO_SACL)) == 0) {
 893                 if (security_info_sent & SECINFO_LABEL) {
 894                         /* Only consider SECINFO_LABEL if no other
 895                            bits are set. Just like W2K3 we don't
 896                            store this. */
 897                         return NT_STATUS_OK;
 898                 }
 899                 return NT_STATUS_INVALID_PARAMETER;
 900         }
 901
 902         /* Ensure we have the rights to do this. */
 903         if (security_info_sent & SECINFO_OWNER) {
 904                 if (!(fsp->access_mask & SEC_STD_WRITE_OWNER)) {
 905                         return NT_STATUS_ACCESS_DENIED;
 906                 }
 907         }
 908
 909         if (security_info_sent & SECINFO_GROUP) {
 910                 if (!(fsp->access_mask & SEC_STD_WRITE_OWNER)) {
 911                         return NT_STATUS_ACCESS_DENIED;
 912                 }
 913         }
 914
 915         if (security_info_sent & SECINFO_DACL) {
 916                 if (!(fsp->access_mask & SEC_STD_WRITE_DAC)) {
 917                         return NT_STATUS_ACCESS_DENIED;
 918                 }
 919                 /* Convert all the generic bits. */
 920                 if (psd->dacl) {
 921                         security_acl_map_generic(psd->dacl, &file_generic_mapping);
 922                 }
 923         }
 924
 925         if (security_info_sent & SECINFO_SACL) {
 926                 if (!(fsp->access_mask & SEC_FLAG_SYSTEM_SECURITY)) {
 927                         return NT_STATUS_ACCESS_DENIED;
 928                 }
 929                 /* Convert all the generic bits. */
 930                 if (psd->sacl) {
 931                         security_acl_map_generic(psd->sacl, &file_generic_mapping);
 932                 }
 933         }
 934
 935         canonicalize_inheritance_bits(psd);
 936
 937         if (DEBUGLEVEL >= 10) {
 938                 DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp)));
 939                 NDR_PRINT_DEBUG(security_descriptor, psd);
 940         }
 941
 942         status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
 943
 944         TALLOC_FREE(psd);
 945
 946         return status;
 947 }
 948
 949 /****************************************************************************
 950  Internal fn to set security descriptors from a data blob.
 951 ****************************************************************************/
 952
 953 NTSTATUS set_sd_blob(files_struct *fsp, uint8_t *data, uint32_t sd_len,
 954                        uint32_t security_info_sent)
 955 {
 956         struct security_descriptor *psd = NULL;
 957         NTSTATUS status;
 958
 959         if (sd_len == 0) {
 960                 return NT_STATUS_INVALID_PARAMETER;
 961         }
 962
 963         status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
 964
 965         if (!NT_STATUS_IS_OK(status)) {
 966                 return status;
 967         }
 968
 969         return set_sd(fsp, psd, security_info_sent);
 970 }
 971
 972 /****************************************************************************
 973  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
 974 ****************************************************************************/
 975
 976 struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
 977 {
 978         struct ea_list *ea_list_head = NULL;
 979         size_t offset = 0;
 980
 981         if (data_size < 4) {
 982                 return NULL;
 983         }
 984
 985         while (offset + 4 <= data_size) {
 986                 size_t next_offset = IVAL(pdata,offset);
 987                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
 988
 989                 if (!eal) {
 990                         return NULL;
 991                 }
 992
 993                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
 994                 if (next_offset == 0) {
 995                         break;
 996                 }
 997                 offset += next_offset;
 998         }
 999
1000         return ea_list_head;
1001 }
1002
1003 /****************************************************************************
1004  Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1005 ****************************************************************************/
1006
1007 static void call_nt_transact_create(connection_struct *conn,
1008                                     struct smb_request *req,
1009                                     uint16 **ppsetup, uint32 setup_count,
1010                                     char **ppparams, uint32 parameter_count,
1011                                     char **ppdata, uint32 data_count,
1012                                     uint32 max_data_count)
1013 {
1014         struct smb_filename *smb_fname = NULL;
1015         char *fname = NULL;
1016         char *params = *ppparams;
1017         char *data = *ppdata;
1018         /* Breakout the oplock request bits so we can set the reply bits separately. */
1019         uint32 fattr=0;
1020         off_t file_len = 0;
1021         int info = 0;
1022         files_struct *fsp = NULL;
1023         char *p = NULL;
1024         uint32 flags;
1025         uint32 access_mask;
1026         uint32 file_attributes;
1027         uint32 share_access;
1028         uint32 create_disposition;
1029         uint32 create_options;
1030         uint32 sd_len;
1031         struct security_descriptor *sd = NULL;
1032         uint32 ea_len;
1033         uint16 root_dir_fid;
1034         struct timespec create_timespec;
1035         struct timespec c_timespec;
1036         struct timespec a_timespec;
1037         struct timespec m_timespec;
1038         struct timespec write_time_ts;
1039         struct ea_list *ea_list = NULL;
1040         NTSTATUS status;
1041         size_t param_len;
1042         uint64_t allocation_size;
1043         int oplock_request;
1044         uint8_t oplock_granted;
1045         struct case_semantics_state *case_state = NULL;
1046         TALLOC_CTX *ctx = talloc_tos();
1047
1048         DEBUG(5,("call_nt_transact_create\n"));
1049
1050         /*
1051          * If it's an IPC, use the pipe handler.
1052          */
1053
1054         if (IS_IPC(conn)) {
1055                 if (lp_nt_pipe_support()) {
1056                         do_nt_transact_create_pipe(
1057                                 conn, req,
1058                                 ppsetup, setup_count,
1059                                 ppparams, parameter_count,
1060                                 ppdata, data_count);
1061                         goto out;
1062                 }
1063                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1064                 goto out;
1065         }
1066
1067         /*
1068          * Ensure minimum number of parameters sent.
1069          */
1070
1071         if(parameter_count < 54) {
1072                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1073                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1074                 goto out;
1075         }
1076
1077         flags = IVAL(params,0);
1078         access_mask = IVAL(params,8);
1079         file_attributes = IVAL(params,20);
1080         share_access = IVAL(params,24);
1081         create_disposition = IVAL(params,28);
1082         create_options = IVAL(params,32);
1083         sd_len = IVAL(params,36);
1084         ea_len = IVAL(params,40);
1085         root_dir_fid = (uint16)IVAL(params,4);
1086         allocation_size = BVAL(params,12);
1087
1088         /*
1089          * we need to remove ignored bits when they come directly from the client
1090          * because we reuse some of them for internal stuff
1091          */
1092         create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
1093
1094         /* Ensure the data_len is correct for the sd and ea values given. */
1095         if ((ea_len + sd_len > data_count)
1096             || (ea_len > data_count) || (sd_len > data_count)
1097             || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1098                 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
1099                            "%u, data_count = %u\n", (unsigned int)ea_len,
1100                            (unsigned int)sd_len, (unsigned int)data_count));
1101                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1102                 goto out;
1103         }
1104
1105         if (sd_len) {
1106                 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
1107                            sd_len));
1108
1109                 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
1110                                              &sd);
1111                 if (!NT_STATUS_IS_OK(status)) {
1112                         DEBUG(10, ("call_nt_transact_create: "
1113                                    "unmarshall_sec_desc failed: %s\n",
1114                                    nt_errstr(status)));
1115                         reply_nterror(req, status);
1116                         goto out;
1117                 }
1118         }
1119
1120         if (ea_len) {
1121                 if (!lp_ea_support(SNUM(conn))) {
1122                         DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
1123                                    "EA's not supported.\n",
1124                                    (unsigned int)ea_len));
1125                         reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1126                         goto out;
1127                 }
1128
1129                 if (ea_len < 10) {
1130                         DEBUG(10,("call_nt_transact_create - ea_len = %u - "
1131                                   "too small (should be more than 10)\n",
1132                                   (unsigned int)ea_len ));
1133                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1134                         goto out;
1135                 }
1136
1137                 /* We have already checked that ea_len <= data_count here. */
1138                 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
1139                                                ea_len);
1140                 if (ea_list == NULL) {
1141                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1142                         goto out;
1143                 }
1144         }
1145
1146         srvstr_get_path(ctx, params, req->flags2, &fname,
1147                         params+53, parameter_count-53,
1148                         STR_TERMINATE, &status);
1149         if (!NT_STATUS_IS_OK(status)) {
1150                 reply_nterror(req, status);
1151                 goto out;
1152         }
1153
1154         if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
1155                 case_state = set_posix_case_semantics(ctx, conn);
1156                 if (!case_state) {
1157                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1158                         goto out;
1159                 }
1160         }
1161
1162         status = filename_convert(ctx,
1163                                 conn,
1164                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
1165                                 fname,
1166                                 0,
1167                                 NULL,
1168                                 &smb_fname);
1169
1170         TALLOC_FREE(case_state);
1171
1172         if (!NT_STATUS_IS_OK(status)) {
1173                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1174                         reply_botherror(req,
1175                                 NT_STATUS_PATH_NOT_COVERED,
1176                                 ERRSRV, ERRbadpath);
1177                         goto out;
1178                 }
1179                 reply_nterror(req, status);
1180                 goto out;
1181         }
1182
1183         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1184         if (oplock_request) {
1185                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
1186                         ? BATCH_OPLOCK : 0;
1187         }
1188
1189         /*
1190          * Bug #6898 - clients using Windows opens should
1191          * never be able to set this attribute into the
1192          * VFS.
1193          */
1194         file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
1195
1196         status = SMB_VFS_CREATE_FILE(
1197                 conn,                                   /* conn */
1198                 req,                                    /* req */
1199                 root_dir_fid,                           /* root_dir_fid */
1200                 smb_fname,                              /* fname */
1201                 access_mask,                            /* access_mask */
1202                 share_access,                           /* share_access */
1203                 create_disposition,                     /* create_disposition*/
1204                 create_options,                         /* create_options */
1205                 file_attributes,                        /* file_attributes */
1206                 oplock_request,                         /* oplock_request */
1207                 allocation_size,                        /* allocation_size */
1208                 0,                                      /* private_flags */
1209                 sd,                                     /* sd */
1210                 ea_list,                                /* ea_list */
1211                 &fsp,                                   /* result */
1212                 &info);                                 /* pinfo */
1213
1214         if(!NT_STATUS_IS_OK(status)) {
1215                 if (open_was_deferred(req->sconn, req->mid)) {
1216                         /* We have re-scheduled this call, no error. */
1217                         return;
1218                 }
1219                 reply_openerror(req, status);
1220                 goto out;
1221         }
1222
1223         /* Ensure we're pointing at the correct stat struct. */
1224         TALLOC_FREE(smb_fname);
1225         smb_fname = fsp->fsp_name;
1226
1227         /*
1228          * If the caller set the extended oplock request bit
1229          * and we granted one (by whatever means) - set the
1230          * correct bit for extended oplock reply.
1231          */
1232
1233         if (oplock_request &&
1234             (lp_fake_oplocks(SNUM(conn))
1235              || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
1236
1237                 /*
1238                  * Exclusive oplock granted
1239                  */
1240
1241                 if (flags & REQUEST_BATCH_OPLOCK) {
1242                         oplock_granted = BATCH_OPLOCK_RETURN;
1243                 } else {
1244                         oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1245                 }
1246         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1247                 oplock_granted = LEVEL_II_OPLOCK_RETURN;
1248         } else {
1249                 oplock_granted = NO_OPLOCK_RETURN;
1250         }
1251
1252         file_len = smb_fname->st.st_ex_size;
1253
1254         /* Realloc the size of parameters and data we will return */
1255         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1256                 /* Extended response is 32 more byyes. */
1257                 param_len = 101;
1258         } else {
1259                 param_len = 69;
1260         }
1261         params = nttrans_realloc(ppparams, param_len);
1262         if(params == NULL) {
1263                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1264                 goto out;
1265         }
1266
1267         p = params;
1268         SCVAL(p, 0, oplock_granted);
1269
1270         p += 2;
1271         SSVAL(p,0,fsp->fnum);
1272         p += 2;
1273         if ((create_disposition == FILE_SUPERSEDE)
1274             && (info == FILE_WAS_OVERWRITTEN)) {
1275                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1276         } else {
1277                 SIVAL(p,0,info);
1278         }
1279         p += 8;
1280
1281         fattr = dos_mode(conn, smb_fname);
1282         if (fattr == 0) {
1283                 fattr = FILE_ATTRIBUTE_NORMAL;
1284         }
1285
1286         /* Deal with other possible opens having a modified
1287            write time. JRA. */
1288         ZERO_STRUCT(write_time_ts);
1289         get_file_infos(fsp->file_id, 0, NULL, &write_time_ts);
1290         if (!null_timespec(write_time_ts)) {
1291                 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
1292         }
1293
1294         /* Create time. */
1295         create_timespec = get_create_timespec(conn, fsp, smb_fname);
1296         a_timespec = smb_fname->st.st_ex_atime;
1297         m_timespec = smb_fname->st.st_ex_mtime;
1298         c_timespec = get_change_timespec(conn, fsp, smb_fname);
1299
1300         if (lp_dos_filetime_resolution(SNUM(conn))) {
1301                 dos_filetime_timespec(&create_timespec);
1302                 dos_filetime_timespec(&a_timespec);
1303                 dos_filetime_timespec(&m_timespec);
1304                 dos_filetime_timespec(&c_timespec);
1305         }
1306
1307         put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
1308         p += 8;
1309         put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
1310         p += 8;
1311         put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
1312         p += 8;
1313         put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
1314         p += 8;
1315         SIVAL(p,0,fattr); /* File Attributes. */
1316         p += 4;
1317         SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn, fsp, &smb_fname->st));
1318         p += 8;
1319         SOFF_T(p,0,file_len);
1320         p += 8;
1321         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1322                 uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
1323                 size_t num_names = 0;
1324                 unsigned int num_streams = 0;
1325                 struct stream_struct *streams = NULL;
1326
1327                 /* Do we have any EA's ? */
1328                 status = get_ea_names_from_file(ctx, conn, fsp,
1329                                 smb_fname->base_name, NULL, &num_names);
1330                 if (NT_STATUS_IS_OK(status) && num_names) {
1331                         file_status &= ~NO_EAS;
1332                 }
1333                 status = vfs_streaminfo(conn, NULL, smb_fname->base_name, ctx,
1334                         &num_streams, &streams);
1335                 /* There is always one stream, ::$DATA. */
1336                 if (NT_STATUS_IS_OK(status) && num_streams > 1) {
1337                         file_status &= ~NO_SUBSTREAMS;
1338                 }
1339                 TALLOC_FREE(streams);
1340                 SSVAL(p,2,file_status);
1341         }
1342         p += 4;
1343         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1344
1345         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1346                 uint32 perms = 0;
1347                 p += 25;
1348                 if (fsp->is_directory ||
1349                     fsp->can_write ||
1350                     can_write_to_file(conn, smb_fname)) {
1351                         perms = FILE_GENERIC_ALL;
1352                 } else {
1353                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
1354                 }
1355                 SIVAL(p,0,perms);
1356         }
1357
1358         DEBUG(5,("call_nt_transact_create: open name = %s\n",
1359                  smb_fname_str_dbg(smb_fname)));
1360
1361         /* Send the required number of replies */
1362         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1363  out:
1364         return;
1365 }
1366
1367 /****************************************************************************
1368  Reply to a NT CANCEL request.
1369  conn POINTER CAN BE NULL HERE !
1370 ****************************************************************************/
1371
1372 void reply_ntcancel(struct smb_request *req)
1373 {
1374         /*
1375          * Go through and cancel any pending change notifies.
1376          */
1377
1378         START_PROFILE(SMBntcancel);
1379         srv_cancel_sign_response(req->sconn);
1380         remove_pending_change_notify_requests_by_mid(req->sconn, req->mid);
1381         remove_pending_lock_requests_by_mid_smb1(req->sconn, req->mid);
1382
1383         DEBUG(3,("reply_ntcancel: cancel called on mid = %llu.\n",
1384                 (unsigned long long)req->mid));
1385
1386         END_PROFILE(SMBntcancel);
1387         return;
1388 }
1389
1390 /****************************************************************************
1391  Copy a file.
1392 ****************************************************************************/
1393
1394 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1395                                 connection_struct *conn,
1396                                 struct smb_request *req,
1397                                 struct smb_filename *smb_fname_src,
1398                                 struct smb_filename *smb_fname_dst,
1399                                 uint32 attrs)
1400 {
1401         files_struct *fsp1,*fsp2;
1402         uint32 fattr;
1403         int info;
1404         off_t ret=-1;
1405         NTSTATUS status = NT_STATUS_OK;
1406         char *parent;
1407
1408         if (!CAN_WRITE(conn)) {
1409                 status = NT_STATUS_MEDIA_WRITE_PROTECTED;
1410                 goto out;
1411         }
1412
1413         /* Source must already exist. */
1414         if (!VALID_STAT(smb_fname_src->st)) {
1415                 status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
1416                 goto out;
1417         }
1418
1419         /* Ensure attributes match. */
1420         fattr = dos_mode(conn, smb_fname_src);
1421         if ((fattr & ~attrs) & (FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM)) {
1422                 status = NT_STATUS_NO_SUCH_FILE;
1423                 goto out;
1424         }
1425
1426         /* Disallow if dst file already exists. */
1427         if (VALID_STAT(smb_fname_dst->st)) {
1428                 status = NT_STATUS_OBJECT_NAME_COLLISION;
1429                 goto out;
1430         }
1431
1432         /* No links from a directory. */
1433         if (S_ISDIR(smb_fname_src->st.st_ex_mode)) {
1434                 status = NT_STATUS_FILE_IS_A_DIRECTORY;
1435                 goto out;
1436         }
1437
1438         DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1439                   smb_fname_str_dbg(smb_fname_src),
1440                   smb_fname_str_dbg(smb_fname_dst)));
1441
1442         status = SMB_VFS_CREATE_FILE(
1443                 conn,                                   /* conn */
1444                 req,                                    /* req */
1445                 0,                                      /* root_dir_fid */
1446                 smb_fname_src,                          /* fname */
1447                 FILE_READ_DATA|FILE_READ_ATTRIBUTES|
1448                         FILE_READ_EA,                   /* access_mask */
1449                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
1450                     FILE_SHARE_DELETE),
1451                 FILE_OPEN,                              /* create_disposition*/
1452                 0,                                      /* create_options */
1453                 FILE_ATTRIBUTE_NORMAL,                  /* file_attributes */
1454                 NO_OPLOCK,                              /* oplock_request */
1455                 0,                                      /* allocation_size */
1456                 0,                                      /* private_flags */
1457                 NULL,                                   /* sd */
1458                 NULL,                                   /* ea_list */
1459                 &fsp1,                                  /* result */
1460                 &info);                                 /* pinfo */
1461
1462         if (!NT_STATUS_IS_OK(status)) {
1463                 goto out;
1464         }
1465
1466         status = SMB_VFS_CREATE_FILE(
1467                 conn,                                   /* conn */
1468                 req,                                    /* req */
1469                 0,                                      /* root_dir_fid */
1470                 smb_fname_dst,                          /* fname */
1471                 FILE_WRITE_DATA|FILE_WRITE_ATTRIBUTES|
1472                         FILE_WRITE_EA,                  /* access_mask */
1473                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
1474                     FILE_SHARE_DELETE),
1475                 FILE_CREATE,                            /* create_disposition*/
1476                 0,                                      /* create_options */
1477                 fattr,                                  /* file_attributes */
1478                 NO_OPLOCK,                              /* oplock_request */
1479                 0,                                      /* allocation_size */
1480                 0,                                      /* private_flags */
1481                 NULL,                                   /* sd */
1482                 NULL,                                   /* ea_list */
1483                 &fsp2,                                  /* result */
1484                 &info);                                 /* pinfo */
1485
1486         if (!NT_STATUS_IS_OK(status)) {
1487                 close_file(NULL, fsp1, ERROR_CLOSE);
1488                 goto out;
1489         }
1490
1491         if (smb_fname_src->st.st_ex_size) {
1492                 ret = vfs_transfer_file(fsp1, fsp2, smb_fname_src->st.st_ex_size);
1493         }
1494
1495         /*
1496          * As we are opening fsp1 read-only we only expect
1497          * an error on close on fsp2 if we are out of space.
1498          * Thus we don't look at the error return from the
1499          * close of fsp1.
1500          */
1501         close_file(NULL, fsp1, NORMAL_CLOSE);
1502
1503         /* Ensure the modtime is set correctly on the destination file. */
1504         set_close_write_time(fsp2, smb_fname_src->st.st_ex_mtime);
1505
1506         status = close_file(NULL, fsp2, NORMAL_CLOSE);
1507
1508         /* Grrr. We have to do this as open_file_ntcreate adds FILE_ATTRIBUTE_ARCHIVE when it
1509            creates the file. This isn't the correct thing to do in the copy
1510            case. JRA */
1511         if (!parent_dirname(talloc_tos(), smb_fname_dst->base_name, &parent,
1512                             NULL)) {
1513                 status = NT_STATUS_NO_MEMORY;
1514                 goto out;
1515         }
1516         file_set_dosmode(conn, smb_fname_dst, fattr, parent, false);
1517         TALLOC_FREE(parent);
1518
1519         if (ret < (off_t)smb_fname_src->st.st_ex_size) {
1520                 status = NT_STATUS_DISK_FULL;
1521                 goto out;
1522         }
1523  out:
1524         if (!NT_STATUS_IS_OK(status)) {
1525                 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1526                         nt_errstr(status), smb_fname_str_dbg(smb_fname_src),
1527                         smb_fname_str_dbg(smb_fname_dst)));
1528         }
1529
1530         return status;
1531 }
1532
1533 /****************************************************************************
1534  Reply to a NT rename request.
1535 ****************************************************************************/
1536
1537 void reply_ntrename(struct smb_request *req)
1538 {
1539         connection_struct *conn = req->conn;
1540         struct smb_filename *smb_fname_old = NULL;
1541         struct smb_filename *smb_fname_new = NULL;
1542         char *oldname = NULL;
1543         char *newname = NULL;
1544         const char *p;
1545         NTSTATUS status;
1546         bool src_has_wcard = False;
1547         bool dest_has_wcard = False;
1548         uint32 attrs;
1549         uint32_t ucf_flags_src = 0;
1550         uint32_t ucf_flags_dst = 0;
1551         uint16 rename_type;
1552         TALLOC_CTX *ctx = talloc_tos();
1553         bool stream_rename = false;
1554
1555         START_PROFILE(SMBntrename);
1556
1557         if (req->wct < 4) {
1558                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1559                 goto out;
1560         }
1561
1562         attrs = SVAL(req->vwv+0, 0);
1563         rename_type = SVAL(req->vwv+1, 0);
1564
1565         p = (const char *)req->buf + 1;
1566         p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1567                                        &status, &src_has_wcard);
1568         if (!NT_STATUS_IS_OK(status)) {
1569                 reply_nterror(req, status);
1570                 goto out;
1571         }
1572
1573         if (ms_has_wild(oldname)) {
1574                 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1575                 goto out;
1576         }
1577
1578         p++;
1579         p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1580                                        &status, &dest_has_wcard);
1581         if (!NT_STATUS_IS_OK(status)) {
1582                 reply_nterror(req, status);
1583                 goto out;
1584         }
1585
1586         if (!lp_posix_pathnames()) {
1587                 /* The newname must begin with a ':' if the
1588                    oldname contains a ':'. */
1589                 if (strchr_m(oldname, ':')) {
1590                         if (newname[0] != ':') {
1591                                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1592                                 goto out;
1593                         }
1594                         stream_rename = true;
1595                 }
1596         }
1597
1598         /*
1599          * If this is a rename operation, allow wildcards and save the
1600          * destination's last component.
1601          */
1602         if (rename_type == RENAME_FLAG_RENAME) {
1603                 ucf_flags_src = UCF_COND_ALLOW_WCARD_LCOMP;
1604                 ucf_flags_dst = UCF_COND_ALLOW_WCARD_LCOMP | UCF_SAVE_LCOMP;
1605         }
1606
1607         /* rename_internals() calls unix_convert(), so don't call it here. */
1608         status = filename_convert(ctx, conn,
1609                                   req->flags2 & FLAGS2_DFS_PATHNAMES,
1610                                   oldname,
1611                                   ucf_flags_src,
1612                                   NULL,
1613                                   &smb_fname_old);
1614         if (!NT_STATUS_IS_OK(status)) {
1615                 if (NT_STATUS_EQUAL(status,
1616                                     NT_STATUS_PATH_NOT_COVERED)) {
1617                         reply_botherror(req,
1618                                         NT_STATUS_PATH_NOT_COVERED,
1619                                         ERRSRV, ERRbadpath);
1620                         goto out;
1621                 }
1622                 reply_nterror(req, status);
1623                 goto out;
1624         }
1625
1626         status = filename_convert(ctx, conn,
1627                                   req->flags2 & FLAGS2_DFS_PATHNAMES,
1628                                   newname,
1629                                   ucf_flags_dst,
1630                                   &dest_has_wcard,
1631                                   &smb_fname_new);
1632         if (!NT_STATUS_IS_OK(status)) {
1633                 if (NT_STATUS_EQUAL(status,
1634                                     NT_STATUS_PATH_NOT_COVERED)) {
1635                         reply_botherror(req,
1636                                         NT_STATUS_PATH_NOT_COVERED,
1637                                         ERRSRV, ERRbadpath);
1638                         goto out;
1639                 }
1640                 reply_nterror(req, status);
1641                 goto out;
1642         }
1643
1644         if (stream_rename) {
1645                 /* smb_fname_new must be the same as smb_fname_old. */
1646                 TALLOC_FREE(smb_fname_new->base_name);
1647                 smb_fname_new->base_name = talloc_strdup(smb_fname_new,
1648                                                 smb_fname_old->base_name);
1649                 if (!smb_fname_new->base_name) {
1650                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1651                         goto out;
1652                 }
1653         }
1654
1655         DEBUG(3,("reply_ntrename: %s -> %s\n",
1656                  smb_fname_str_dbg(smb_fname_old),
1657                  smb_fname_str_dbg(smb_fname_new)));
1658
1659         switch(rename_type) {
1660                 case RENAME_FLAG_RENAME:
1661                         status = rename_internals(ctx, conn, req,
1662                                                   smb_fname_old, smb_fname_new,
1663                                                   attrs, False, src_has_wcard,
1664                                                   dest_has_wcard,
1665                                                   DELETE_ACCESS);
1666                         break;
1667                 case RENAME_FLAG_HARD_LINK:
1668                         if (src_has_wcard || dest_has_wcard) {
1669                                 /* No wildcards. */
1670                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1671                         } else {
1672                                 status = hardlink_internals(ctx, conn,
1673                                                             req,
1674                                                             false,
1675                                                             smb_fname_old,
1676                                                             smb_fname_new);
1677                         }
1678                         break;
1679                 case RENAME_FLAG_COPY:
1680                         if (src_has_wcard || dest_has_wcard) {
1681                                 /* No wildcards. */
1682                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1683                         } else {
1684                                 status = copy_internals(ctx, conn, req,
1685                                                         smb_fname_old,
1686                                                         smb_fname_new,
1687                                                         attrs);
1688                         }
1689                         break;
1690                 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1691                         status = NT_STATUS_INVALID_PARAMETER;
1692                         break;
1693                 default:
1694                         status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1695                         break;
1696         }
1697
1698         if (!NT_STATUS_IS_OK(status)) {
1699                 if (open_was_deferred(req->sconn, req->mid)) {
1700                         /* We have re-scheduled this call. */
1701                         goto out;
1702                 }
1703
1704                 reply_nterror(req, status);
1705                 goto out;
1706         }
1707
1708         reply_outbuf(req, 0, 0);
1709  out:
1710         END_PROFILE(SMBntrename);
1711         return;
1712 }
1713
1714 /****************************************************************************
1715  Reply to a notify change - queue the request and
1716  don't allow a directory to be opened.
1717 ****************************************************************************/
1718
1719 static void smbd_smb1_notify_reply(struct smb_request *req,
1720                                    NTSTATUS error_code,
1721                                    uint8_t *buf, size_t len)
1722 {
1723         send_nt_replies(req->conn, req, error_code, (char *)buf, len, NULL, 0);
1724 }
1725
1726 static void call_nt_transact_notify_change(connection_struct *conn,
1727                                            struct smb_request *req,
1728                                            uint16 **ppsetup,
1729                                            uint32 setup_count,
1730                                            char **ppparams,
1731                                            uint32 parameter_count,
1732                                            char **ppdata, uint32 data_count,
1733                                            uint32 max_data_count,
1734                                            uint32 max_param_count)
1735 {
1736         uint16 *setup = *ppsetup;
1737         files_struct *fsp;
1738         uint32 filter;
1739         NTSTATUS status;
1740         bool recursive;
1741
1742         if(setup_count < 6) {
1743                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1744                 return;
1745         }
1746
1747         fsp = file_fsp(req, SVAL(setup,4));
1748         filter = IVAL(setup, 0);
1749         recursive = (SVAL(setup, 6) != 0) ? True : False;
1750
1751         DEBUG(3,("call_nt_transact_notify_change\n"));
1752
1753         if(!fsp) {
1754                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1755                 return;
1756         }
1757
1758         {
1759                 char *filter_string;
1760
1761                 if (!(filter_string = notify_filter_string(NULL, filter))) {
1762                         reply_nterror(req,NT_STATUS_NO_MEMORY);
1763                         return;
1764                 }
1765
1766                 DEBUG(3,("call_nt_transact_notify_change: notify change "
1767                          "called on %s, filter = %s, recursive = %d\n",
1768                          fsp_str_dbg(fsp), filter_string, recursive));
1769
1770                 TALLOC_FREE(filter_string);
1771         }
1772
1773         if((!fsp->is_directory) || (conn != fsp->conn)) {
1774                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1775                 return;
1776         }
1777
1778         if (fsp->notify == NULL) {
1779
1780                 status = change_notify_create(fsp, filter, recursive);
1781
1782                 if (!NT_STATUS_IS_OK(status)) {
1783                         DEBUG(10, ("change_notify_create returned %s\n",
1784                                    nt_errstr(status)));
1785                         reply_nterror(req, status);
1786                         return;
1787                 }
1788         }
1789
1790         if (change_notify_fsp_has_changes(fsp)) {
1791
1792                 /*
1793                  * We've got changes pending, respond immediately
1794                  */
1795
1796                 /*
1797                  * TODO: write a torture test to check the filtering behaviour
1798                  * here.
1799                  */
1800
1801                 change_notify_reply(req,
1802                                     NT_STATUS_OK,
1803                                     max_param_count,
1804                                     fsp->notify,
1805                                     smbd_smb1_notify_reply);
1806
1807                 /*
1808                  * change_notify_reply() above has independently sent its
1809                  * results
1810                  */
1811                 return;
1812         }
1813
1814         /*
1815          * No changes pending, queue the request
1816          */
1817
1818         status = change_notify_add_request(req,
1819                         max_param_count,
1820                         filter,
1821                         recursive, fsp,
1822                         smbd_smb1_notify_reply);
1823         if (!NT_STATUS_IS_OK(status)) {
1824                 reply_nterror(req, status);
1825         }
1826         return;
1827 }
1828
1829 /****************************************************************************
1830  Reply to an NT transact rename command.
1831 ****************************************************************************/
1832
1833 static void call_nt_transact_rename(connection_struct *conn,
1834                                     struct smb_request *req,
1835                                     uint16 **ppsetup, uint32 setup_count,
1836                                     char **ppparams, uint32 parameter_count,
1837                                     char **ppdata, uint32 data_count,
1838                                     uint32 max_data_count)
1839 {
1840         char *params = *ppparams;
1841         char *new_name = NULL;
1842         files_struct *fsp = NULL;
1843         bool dest_has_wcard = False;
1844         NTSTATUS status;
1845         TALLOC_CTX *ctx = talloc_tos();
1846
1847         if(parameter_count < 5) {
1848                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1849                 return;
1850         }
1851
1852         fsp = file_fsp(req, SVAL(params, 0));
1853         if (!check_fsp(conn, req, fsp)) {
1854                 return;
1855         }
1856         srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1857                               parameter_count - 4,
1858                               STR_TERMINATE, &status, &dest_has_wcard);
1859         if (!NT_STATUS_IS_OK(status)) {
1860                 reply_nterror(req, status);
1861                 return;
1862         }
1863
1864         /*
1865          * W2K3 ignores this request as the RAW-RENAME test
1866          * demonstrates, so we do.
1867          */
1868         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1869
1870         DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1871                  fsp_str_dbg(fsp), new_name));
1872
1873         return;
1874 }
1875
1876 /******************************************************************************
1877  Fake up a completely empty SD.
1878 *******************************************************************************/
1879
1880 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, struct security_descriptor **ppsd)
1881 {
1882         size_t sd_size;
1883
1884         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1885         if(!*ppsd) {
1886                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1887                 return NT_STATUS_NO_MEMORY;
1888         }
1889
1890         return NT_STATUS_OK;
1891 }
1892
1893 /****************************************************************************
1894  Reply to query a security descriptor.
1895  Callable from SMB2 and SMB2.
1896  If it returns NT_STATUS_BUFFER_TOO_SMALL, pdata_size is initialized with
1897  the required size.
1898 ****************************************************************************/
1899
1900 NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
1901                                         TALLOC_CTX *mem_ctx,
1902                                         files_struct *fsp,
1903                                         uint32_t security_info_wanted,
1904                                         uint32_t max_data_count,
1905                                         uint8_t **ppmarshalled_sd,
1906                                         size_t *psd_size)
1907 {
1908         NTSTATUS status;
1909         struct security_descriptor *psd = NULL;
1910         TALLOC_CTX *frame = talloc_stackframe();
1911
1912         /*
1913          * Get the permissions to return.
1914          */
1915
1916         if ((security_info_wanted & SECINFO_SACL) &&
1917                         !(fsp->access_mask & SEC_FLAG_SYSTEM_SECURITY)) {
1918                 DEBUG(10, ("Access to SACL denied.\n"));
1919                 TALLOC_FREE(frame);
1920                 return NT_STATUS_ACCESS_DENIED;
1921         }
1922
1923         if ((security_info_wanted & (SECINFO_DACL|SECINFO_OWNER|SECINFO_GROUP)) &&
1924                         !(fsp->access_mask & SEC_STD_READ_CONTROL)) {
1925                 DEBUG(10, ("Access to DACL, OWNER, or GROUP denied.\n"));
1926                 TALLOC_FREE(frame);
1927                 return NT_STATUS_ACCESS_DENIED;
1928         }
1929
1930         if (security_info_wanted & (SECINFO_DACL|SECINFO_OWNER|
1931                         SECINFO_GROUP|SECINFO_SACL)) {
1932                 /* Don't return SECINFO_LABEL if anything else was
1933                    requested. See bug #8458. */
1934                 security_info_wanted &= ~SECINFO_LABEL;
1935         }
1936
1937         if (!lp_nt_acl_support(SNUM(conn))) {
1938                 status = get_null_nt_acl(frame, &psd);
1939         } else if (security_info_wanted & SECINFO_LABEL) {
1940                 /* Like W2K3 return a null object. */
1941                 status = get_null_nt_acl(frame, &psd);
1942         } else {
1943                 status = SMB_VFS_FGET_NT_ACL(
1944                         fsp, security_info_wanted, frame, &psd);
1945         }
1946         if (!NT_STATUS_IS_OK(status)) {
1947                 TALLOC_FREE(frame);
1948                 return status;
1949         }
1950
1951         if (!(security_info_wanted & SECINFO_OWNER)) {
1952                 psd->owner_sid = NULL;
1953         }
1954         if (!(security_info_wanted & SECINFO_GROUP)) {
1955                 psd->group_sid = NULL;
1956         }
1957         if (!(security_info_wanted & SECINFO_DACL)) {
1958                 psd->type &= ~SEC_DESC_DACL_PRESENT;
1959                 psd->dacl = NULL;
1960         }
1961         if (!(security_info_wanted & SECINFO_SACL)) {
1962                 psd->type &= ~SEC_DESC_SACL_PRESENT;
1963                 psd->sacl = NULL;
1964         }
1965
1966         /* If the SACL/DACL is NULL, but was requested, we mark that it is
1967          * present in the reply to match Windows behavior */
1968         if (psd->sacl == NULL &&
1969             security_info_wanted & SECINFO_SACL)
1970                 psd->type |= SEC_DESC_SACL_PRESENT;
1971         if (psd->dacl == NULL &&
1972             security_info_wanted & SECINFO_DACL)
1973                 psd->type |= SEC_DESC_DACL_PRESENT;
1974
1975         if (security_info_wanted & SECINFO_LABEL) {
1976                 /* Like W2K3 return a null object. */
1977                 psd->owner_sid = NULL;
1978                 psd->group_sid = NULL;
1979                 psd->dacl = NULL;
1980                 psd->sacl = NULL;
1981                 psd->type &= ~(SEC_DESC_DACL_PRESENT|SEC_DESC_SACL_PRESENT);
1982         }
1983
1984         *psd_size = ndr_size_security_descriptor(psd, 0);
1985
1986         DEBUG(3,("smbd_do_query_security_desc: sd_size = %lu.\n",
1987                 (unsigned long)*psd_size));
1988
1989         if (DEBUGLEVEL >= 10) {
1990                 DEBUG(10,("smbd_do_query_security_desc for file %s\n",
1991                           fsp_str_dbg(fsp)));
1992                 NDR_PRINT_DEBUG(security_descriptor, psd);
1993         }
1994
1995         if (max_data_count < *psd_size) {
1996                 TALLOC_FREE(frame);
1997                 return NT_STATUS_BUFFER_TOO_SMALL;
1998         }
1999
2000         status = marshall_sec_desc(mem_ctx, psd,
2001                                    ppmarshalled_sd, psd_size);
2002
2003         if (!NT_STATUS_IS_OK(status)) {
2004                 TALLOC_FREE(frame);
2005                 return status;
2006         }
2007
2008         TALLOC_FREE(frame);
2009         return NT_STATUS_OK;
2010 }
2011
2012 /****************************************************************************
2013  SMB1 reply to query a security descriptor.
2014 ****************************************************************************/
2015
2016 static void call_nt_transact_query_security_desc(connection_struct *conn,
2017                                                  struct smb_request *req,
2018                                                  uint16 **ppsetup,
2019                                                  uint32 setup_count,
2020                                                  char **ppparams,
2021                                                  uint32 parameter_count,
2022                                                  char **ppdata,
2023                                                  uint32 data_count,
2024                                                  uint32 max_data_count)
2025 {
2026         char *params = *ppparams;
2027         char *data = *ppdata;
2028         size_t sd_size = 0;
2029         uint32 security_info_wanted;
2030         files_struct *fsp = NULL;
2031         NTSTATUS status;
2032         uint8_t *marshalled_sd = NULL;
2033
2034         if(parameter_count < 8) {
2035                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2036                 return;
2037         }
2038
2039         fsp = file_fsp(req, SVAL(params,0));
2040         if(!fsp) {
2041                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2042                 return;
2043         }
2044
2045         security_info_wanted = IVAL(params,4);
2046
2047         DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
2048                  "info_wanted = 0x%x\n", fsp_str_dbg(fsp),
2049                  (unsigned int)security_info_wanted));
2050
2051         params = nttrans_realloc(ppparams, 4);
2052         if(params == NULL) {
2053                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2054                 return;
2055         }
2056
2057         /*
2058          * Get the permissions to return.
2059          */
2060
2061         status = smbd_do_query_security_desc(conn,
2062                                         talloc_tos(),
2063                                         fsp,
2064                                         security_info_wanted,
2065                                         max_data_count,
2066                                         &marshalled_sd,
2067                                         &sd_size);
2068
2069         if (NT_STATUS_EQUAL(status, NT_STATUS_BUFFER_TOO_SMALL)) {
2070                 SIVAL(params,0,(uint32_t)sd_size);
2071                 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
2072                         params, 4, NULL, 0);
2073                 return;
2074         }
2075
2076         if (!NT_STATUS_IS_OK(status)) {
2077                 reply_nterror(req, status);
2078                 return;
2079         }
2080
2081         SMB_ASSERT(sd_size > 0);
2082
2083         SIVAL(params,0,(uint32_t)sd_size);
2084
2085         if (max_data_count < sd_size) {
2086                 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
2087                                 params, 4, NULL, 0);
2088                 return;
2089         }
2090
2091         /*
2092          * Allocate the data we will return.
2093          */
2094
2095         data = nttrans_realloc(ppdata, sd_size);
2096         if(data == NULL) {
2097                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2098                 return;
2099         }
2100
2101         memcpy(data, marshalled_sd, sd_size);
2102
2103         send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
2104
2105         return;
2106 }
2107
2108 /****************************************************************************
2109  Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2110 ****************************************************************************/
2111
2112 static void call_nt_transact_set_security_desc(connection_struct *conn,
2113                                                struct smb_request *req,
2114                                                uint16 **ppsetup,
2115                                                uint32 setup_count,
2116                                                char **ppparams,
2117                                                uint32 parameter_count,
2118                                                char **ppdata,
2119                                                uint32 data_count,
2120                                                uint32 max_data_count)
2121 {
2122         char *params= *ppparams;
2123         char *data = *ppdata;
2124         files_struct *fsp = NULL;
2125         uint32 security_info_sent = 0;
2126         NTSTATUS status;
2127
2128         if(parameter_count < 8) {
2129                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2130                 return;
2131         }
2132
2133         if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
2134                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2135                 return;
2136         }
2137
2138         if (!CAN_WRITE(fsp->conn)) {
2139                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2140                 return;
2141         }
2142
2143         if(!lp_nt_acl_support(SNUM(conn))) {
2144                 goto done;
2145         }
2146
2147         security_info_sent = IVAL(params,4);
2148
2149         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
2150                  fsp_str_dbg(fsp), (unsigned int)security_info_sent));
2151
2152         if (data_count == 0) {
2153                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2154                 return;
2155         }
2156
2157         status = set_sd_blob(fsp, (uint8 *)data, data_count, security_info_sent);
2158
2159         if (!NT_STATUS_IS_OK(status)) {
2160                 reply_nterror(req, status);
2161                 return;
2162         }
2163
2164   done:
2165         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2166         return;
2167 }
2168
2169 /****************************************************************************
2170  Reply to NT IOCTL
2171 ****************************************************************************/
2172
2173 static void call_nt_transact_ioctl(connection_struct *conn,
2174                                    struct smb_request *req,
2175                                    uint16 **ppsetup, uint32 setup_count,
2176                                    char **ppparams, uint32 parameter_count,
2177                                    char **ppdata, uint32 data_count,
2178                                    uint32 max_data_count)
2179 {
2180         NTSTATUS status;
2181         uint32 function;
2182         uint16 fidnum;
2183         files_struct *fsp;
2184         uint8 isFSctl;
2185         uint8 compfilter;
2186         char *out_data = NULL;
2187         uint32 out_data_len = 0;
2188         char *pdata = *ppdata;
2189         TALLOC_CTX *ctx = talloc_tos();
2190
2191         if (setup_count != 8) {
2192                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2193                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2194                 return;
2195         }
2196
2197         function = IVAL(*ppsetup, 0);
2198         fidnum = SVAL(*ppsetup, 4);
2199         isFSctl = CVAL(*ppsetup, 6);
2200         compfilter = CVAL(*ppsetup, 7);
2201
2202         DEBUG(10, ("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2203                  function, fidnum, isFSctl, compfilter));
2204
2205         fsp=file_fsp(req, fidnum);
2206
2207         /*
2208          * We don't really implement IOCTLs, especially on files.
2209          */
2210         if (!isFSctl) {
2211                 DEBUG(10, ("isFSctl: 0x%02X indicates IOCTL, not FSCTL!\n",
2212                         isFSctl));
2213                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2214                 return;
2215         }
2216
2217         /* Has to be for an open file! */
2218         if (!check_fsp_open(conn, req, fsp)) {
2219                 return;
2220         }
2221
2222         SMB_PERFCOUNT_SET_IOCTL(&req->pcd, function);
2223
2224         /*
2225          * out_data might be allocated by the VFS module, but talloc should be
2226          * used, and should be cleaned up when the request ends.
2227          */
2228         status = SMB_VFS_FSCTL(fsp,
2229                                ctx,
2230                                function,
2231                                req->flags2,
2232                                (uint8_t *)pdata,
2233                                data_count,
2234                                (uint8_t **)&out_data,
2235                                max_data_count,
2236                                &out_data_len);
2237         if (!NT_STATUS_IS_OK(status)) {
2238                 reply_nterror(req, status);
2239         } else {
2240                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, out_data, out_data_len);
2241         }
2242 }
2243
2244
2245 #ifdef HAVE_SYS_QUOTAS
2246 /****************************************************************************
2247  Reply to get user quota
2248 ****************************************************************************/
2249
2250 static void call_nt_transact_get_user_quota(connection_struct *conn,
2251                                             struct smb_request *req,
2252                                             uint16 **ppsetup,
2253                                             uint32 setup_count,
2254                                             char **ppparams,
2255                                             uint32 parameter_count,
2256                                             char **ppdata,
2257                                             uint32 data_count,
2258                                             uint32 max_data_count)
2259 {
2260         NTSTATUS nt_status = NT_STATUS_OK;
2261         char *params = *ppparams;
2262         char *pdata = *ppdata;
2263         char *entry;
2264         int data_len=0,param_len=0;
2265         int qt_len=0;
2266         int entry_len = 0;
2267         files_struct *fsp = NULL;
2268         uint16 level = 0;
2269         size_t sid_len;
2270         struct dom_sid sid;
2271         bool start_enum = True;
2272         SMB_NTQUOTA_STRUCT qt;
2273         SMB_NTQUOTA_LIST *tmp_list;
2274         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2275
2276         ZERO_STRUCT(qt);
2277
2278         /* access check */
2279         if (get_current_uid(conn) != 0) {
2280                 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2281                          "[%s]\n", lp_servicename(talloc_tos(), SNUM(conn)),
2282                          conn->session_info->unix_info->unix_name));
2283                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2284                 return;
2285         }
2286
2287         /*
2288          * Ensure minimum number of parameters sent.
2289          */
2290
2291         if (parameter_count < 4) {
2292                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2293                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2294                 return;
2295         }
2296
2297         /* maybe we can check the quota_fnum */
2298         fsp = file_fsp(req, SVAL(params,0));
2299         if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2300                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2301                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2302                 return;
2303         }
2304
2305         /* the NULL pointer checking for fsp->fake_file_handle->pd
2306          * is done by CHECK_NTQUOTA_HANDLE_OK()
2307          */
2308         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2309
2310         level = SVAL(params,2);
2311
2312         /* unknown 12 bytes leading in params */
2313
2314         switch (level) {
2315                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2316                         /* seems that we should continue with the enum here --metze */
2317
2318                         if (qt_handle->quota_list!=NULL &&
2319                             qt_handle->tmp_list==NULL) {
2320
2321                                 /* free the list */
2322                                 free_ntquota_list(&(qt_handle->quota_list));
2323
2324                                 /* Realloc the size of parameters and data we will return */
2325                                 param_len = 4;
2326                                 params = nttrans_realloc(ppparams, param_len);
2327                                 if(params == NULL) {
2328                                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2329                                         return;
2330                                 }
2331
2332                                 data_len = 0;
2333                                 SIVAL(params,0,data_len);
2334
2335                                 break;
2336                         }
2337
2338                         start_enum = False;
2339
2340                 case TRANSACT_GET_USER_QUOTA_LIST_START:
2341
2342                         if (qt_handle->quota_list==NULL &&
2343                                 qt_handle->tmp_list==NULL) {
2344                                 start_enum = True;
2345                         }
2346
2347                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2348                                 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2349                                 return;
2350                         }
2351
2352                         /* Realloc the size of parameters and data we will return */
2353                         param_len = 4;
2354                         params = nttrans_realloc(ppparams, param_len);
2355                         if(params == NULL) {
2356                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2357                                 return;
2358                         }
2359
2360                         /* we should not trust the value in max_data_count*/
2361                         max_data_count = MIN(max_data_count,2048);
2362
2363                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2364                         if(pdata == NULL) {
2365                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2366                                 return;
2367                         }
2368
2369                         entry = pdata;
2370
2371                         /* set params Size of returned Quota Data 4 bytes*/
2372                         /* but set it later when we know it */
2373
2374                         /* for each entry push the data */
2375
2376                         if (start_enum) {
2377                                 qt_handle->tmp_list = qt_handle->quota_list;
2378                         }
2379
2380                         tmp_list = qt_handle->tmp_list;
2381
2382                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2383                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2384
2385                                 sid_len = ndr_size_dom_sid(
2386                                         &tmp_list->quotas->sid, 0);
2387                                 entry_len = 40 + sid_len;
2388
2389                                 /* nextoffset entry 4 bytes */
2390                                 SIVAL(entry,0,entry_len);
2391
2392                                 /* then the len of the SID 4 bytes */
2393                                 SIVAL(entry,4,sid_len);
2394
2395                                 /* unknown data 8 bytes uint64_t */
2396                                 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2397
2398                                 /* the used disk space 8 bytes uint64_t */
2399                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2400
2401                                 /* the soft quotas 8 bytes uint64_t */
2402                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2403
2404                                 /* the hard quotas 8 bytes uint64_t */
2405                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2406
2407                                 /* and now the SID */
2408                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2409                         }
2410
2411                         qt_handle->tmp_list = tmp_list;
2412
2413                         /* overwrite the offset of the last entry */
2414                         SIVAL(entry-entry_len,0,0);
2415
2416                         data_len = 4+qt_len;
2417                         /* overwrite the params quota_data_len */
2418                         SIVAL(params,0,data_len);
2419
2420                         break;
2421
2422                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2423
2424                         /* unknown 4 bytes IVAL(pdata,0) */
2425
2426                         if (data_count < 8) {
2427                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2428                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2429                                 return;
2430                         }
2431
2432                         sid_len = IVAL(pdata,4);
2433                         /* Ensure this is less than 1mb. */
2434                         if (sid_len > (1024*1024)) {
2435                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2436                                 return;
2437                         }
2438
2439                         if (data_count < 8+sid_len) {
2440                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2441                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2442                                 return;
2443                         }
2444
2445                         data_len = 4+40+sid_len;
2446
2447                         if (max_data_count < data_len) {
2448                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2449                                         max_data_count, data_len));
2450                                 param_len = 4;
2451                                 SIVAL(params,0,data_len);
2452                                 data_len = 0;
2453                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2454                                 break;
2455                         }
2456
2457                         if (!sid_parse(pdata+8,sid_len,&sid)) {
2458                                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2459                                 return;
2460                         }
2461
2462                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2463                                 ZERO_STRUCT(qt);
2464                                 /*
2465                                  * we have to return zero's in all fields
2466                                  * instead of returning an error here
2467                                  * --metze
2468                                  */
2469                         }
2470
2471                         /* Realloc the size of parameters and data we will return */
2472                         param_len = 4;
2473                         params = nttrans_realloc(ppparams, param_len);
2474                         if(params == NULL) {
2475                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2476                                 return;
2477                         }
2478
2479                         pdata = nttrans_realloc(ppdata, data_len);
2480                         if(pdata == NULL) {
2481                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2482                                 return;
2483                         }
2484
2485                         entry = pdata;
2486
2487                         /* set params Size of returned Quota Data 4 bytes*/
2488                         SIVAL(params,0,data_len);
2489
2490                         /* nextoffset entry 4 bytes */
2491                         SIVAL(entry,0,0);
2492
2493                         /* then the len of the SID 4 bytes */
2494                         SIVAL(entry,4,sid_len);
2495
2496                         /* unknown data 8 bytes uint64_t */
2497                         SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2498
2499                         /* the used disk space 8 bytes uint64_t */
2500                         SBIG_UINT(entry,16,qt.usedspace);
2501
2502                         /* the soft quotas 8 bytes uint64_t */
2503                         SBIG_UINT(entry,24,qt.softlim);
2504
2505                         /* the hard quotas 8 bytes uint64_t */
2506                         SBIG_UINT(entry,32,qt.hardlim);
2507
2508                         /* and now the SID */
2509                         sid_linearize(entry+40, sid_len, &sid);
2510
2511                         break;
2512
2513                 default:
2514                         DEBUG(0, ("do_nt_transact_get_user_quota: %s: unknown "
2515                                   "level 0x%04hX\n",
2516                                   fsp_fnum_dbg(fsp), level));
2517                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2518                         return;
2519                         break;
2520         }
2521
2522         send_nt_replies(conn, req, nt_status, params, param_len,
2523                         pdata, data_len);
2524 }
2525
2526 /****************************************************************************
2527  Reply to set user quota
2528 ****************************************************************************/
2529
2530 static void call_nt_transact_set_user_quota(connection_struct *conn,
2531                                             struct smb_request *req,
2532                                             uint16 **ppsetup,
2533                                             uint32 setup_count,
2534                                             char **ppparams,
2535                                             uint32 parameter_count,
2536                                             char **ppdata,
2537                                             uint32 data_count,
2538                                             uint32 max_data_count)
2539 {
2540         char *params = *ppparams;
2541         char *pdata = *ppdata;
2542         int data_len=0,param_len=0;
2543         SMB_NTQUOTA_STRUCT qt;
2544         size_t sid_len;
2545         struct dom_sid sid;
2546         files_struct *fsp = NULL;
2547
2548         ZERO_STRUCT(qt);
2549
2550         /* access check */
2551         if (get_current_uid(conn) != 0) {
2552                 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2553                          "[%s]\n", lp_servicename(talloc_tos(), SNUM(conn)),
2554                          conn->session_info->unix_info->unix_name));
2555                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2556                 return;
2557         }
2558
2559         /*
2560          * Ensure minimum number of parameters sent.
2561          */
2562
2563         if (parameter_count < 2) {
2564                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2565                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2566                 return;
2567         }
2568
2569         /* maybe we can check the quota_fnum */
2570         fsp = file_fsp(req, SVAL(params,0));
2571         if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2572                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2573                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2574                 return;
2575         }
2576
2577         if (data_count < 40) {
2578                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2579                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2580                 return;
2581         }
2582
2583         /* offset to next quota record.
2584          * 4 bytes IVAL(pdata,0)
2585          * unused here...
2586          */
2587
2588         /* sid len */
2589         sid_len = IVAL(pdata,4);
2590
2591         if (data_count < 40+sid_len || (40+sid_len < sid_len)) {
2592                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2593                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2594                 return;
2595         }
2596
2597         /* unknown 8 bytes in pdata
2598          * maybe its the change time in NTTIME
2599          */
2600
2601         /* the used space 8 bytes (uint64_t)*/
2602         qt.usedspace = BVAL(pdata,16);
2603
2604         /* the soft quotas 8 bytes (uint64_t)*/
2605         qt.softlim = BVAL(pdata,24);
2606
2607         /* the hard quotas 8 bytes (uint64_t)*/
2608         qt.hardlim = BVAL(pdata,32);
2609
2610         if (!sid_parse(pdata+40,sid_len,&sid)) {
2611                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2612                 return;
2613         }
2614
2615         DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2616
2617         /* 44 unknown bytes left... */
2618
2619         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2620                 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2621                 return;
2622         }
2623
2624         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2625                         pdata, data_len);
2626 }
2627 #endif /* HAVE_SYS_QUOTAS */
2628
2629 static void handle_nttrans(connection_struct *conn,
2630                            struct trans_state *state,
2631                            struct smb_request *req)
2632 {
2633         if (get_Protocol() >= PROTOCOL_NT1) {
2634                 req->flags2 |= 0x40; /* IS_LONG_NAME */
2635                 SSVAL(discard_const_p(uint8_t, req->inbuf),smb_flg2,req->flags2);
2636         }
2637
2638
2639         SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
2640
2641         /* Now we must call the relevant NT_TRANS function */
2642         switch(state->call) {
2643                 case NT_TRANSACT_CREATE:
2644                 {
2645                         START_PROFILE(NT_transact_create);
2646                         call_nt_transact_create(
2647                                 conn, req,
2648                                 &state->setup, state->setup_count,
2649                                 &state->param, state->total_param,
2650                                 &state->data, state->total_data,
2651                                 state->max_data_return);
2652                         END_PROFILE(NT_transact_create);
2653                         break;
2654                 }
2655
2656                 case NT_TRANSACT_IOCTL:
2657                 {
2658                         START_PROFILE(NT_transact_ioctl);
2659                         call_nt_transact_ioctl(
2660                                 conn, req,
2661                                 &state->setup, state->setup_count,
2662                                 &state->param, state->total_param,
2663                                 &state->data, state->total_data,
2664                                 state->max_data_return);
2665                         END_PROFILE(NT_transact_ioctl);
2666                         break;
2667                 }
2668
2669                 case NT_TRANSACT_SET_SECURITY_DESC:
2670                 {
2671                         START_PROFILE(NT_transact_set_security_desc);
2672                         call_nt_transact_set_security_desc(
2673                                 conn, req,
2674                                 &state->setup, state->setup_count,
2675                                 &state->param, state->total_param,
2676                                 &state->data, state->total_data,
2677                                 state->max_data_return);
2678                         END_PROFILE(NT_transact_set_security_desc);
2679                         break;
2680                 }
2681
2682                 case NT_TRANSACT_NOTIFY_CHANGE:
2683                 {
2684                         START_PROFILE(NT_transact_notify_change);
2685                         call_nt_transact_notify_change(
2686                                 conn, req,
2687                                 &state->setup, state->setup_count,
2688                                 &state->param, state->total_param,
2689                                 &state->data, state->total_data,
2690                                 state->max_data_return,
2691                                 state->max_param_return);
2692                         END_PROFILE(NT_transact_notify_change);
2693                         break;
2694                 }
2695
2696                 case NT_TRANSACT_RENAME:
2697                 {
2698                         START_PROFILE(NT_transact_rename);
2699                         call_nt_transact_rename(
2700                                 conn, req,
2701                                 &state->setup, state->setup_count,
2702                                 &state->param, state->total_param,
2703                                 &state->data, state->total_data,
2704                                 state->max_data_return);
2705                         END_PROFILE(NT_transact_rename);
2706                         break;
2707                 }
2708
2709                 case NT_TRANSACT_QUERY_SECURITY_DESC:
2710                 {
2711                         START_PROFILE(NT_transact_query_security_desc);
2712                         call_nt_transact_query_security_desc(
2713                                 conn, req,
2714                                 &state->setup, state->setup_count,
2715                                 &state->param, state->total_param,
2716                                 &state->data, state->total_data,
2717                                 state->max_data_return);
2718                         END_PROFILE(NT_transact_query_security_desc);
2719                         break;
2720                 }
2721
2722 #ifdef HAVE_SYS_QUOTAS
2723                 case NT_TRANSACT_GET_USER_QUOTA:
2724                 {
2725                         START_PROFILE(NT_transact_get_user_quota);
2726                         call_nt_transact_get_user_quota(
2727                                 conn, req,
2728                                 &state->setup, state->setup_count,
2729                                 &state->param, state->total_param,
2730                                 &state->data, state->total_data,
2731                                 state->max_data_return);
2732                         END_PROFILE(NT_transact_get_user_quota);
2733                         break;
2734                 }
2735
2736                 case NT_TRANSACT_SET_USER_QUOTA:
2737                 {
2738                         START_PROFILE(NT_transact_set_user_quota);
2739                         call_nt_transact_set_user_quota(
2740                                 conn, req,
2741                                 &state->setup, state->setup_count,
2742                                 &state->param, state->total_param,
2743                                 &state->data, state->total_data,
2744                                 state->max_data_return);
2745                         END_PROFILE(NT_transact_set_user_quota);
2746                         break;
2747                 }
2748 #endif /* HAVE_SYS_QUOTAS */
2749
2750                 default:
2751                         /* Error in request */
2752                         DEBUG(0,("handle_nttrans: Unknown request %d in "
2753                                  "nttrans call\n", state->call));
2754                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2755                         return;
2756         }
2757         return;
2758 }
2759
2760 /****************************************************************************
2761  Reply to a SMBNTtrans.
2762 ****************************************************************************/
2763
2764 void reply_nttrans(struct smb_request *req)
2765 {
2766         connection_struct *conn = req->conn;
2767         uint32_t pscnt;
2768         uint32_t psoff;
2769         uint32_t dscnt;
2770         uint32_t dsoff;
2771         uint16 function_code;
2772         NTSTATUS result;
2773         struct trans_state *state;
2774
2775         START_PROFILE(SMBnttrans);
2776
2777         if (req->wct < 19) {
2778                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2779                 END_PROFILE(SMBnttrans);
2780                 return;
2781         }
2782
2783         pscnt = IVAL(req->vwv+9, 1);
2784         psoff = IVAL(req->vwv+11, 1);
2785         dscnt = IVAL(req->vwv+13, 1);
2786         dsoff = IVAL(req->vwv+15, 1);
2787         function_code = SVAL(req->vwv+18, 0);
2788
2789         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2790                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2791                 END_PROFILE(SMBnttrans);
2792                 return;
2793         }
2794
2795         result = allow_new_trans(conn->pending_trans, req->mid);
2796         if (!NT_STATUS_IS_OK(result)) {
2797                 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2798                 reply_nterror(req, result);
2799                 END_PROFILE(SMBnttrans);
2800                 return;
2801         }
2802
2803         if ((state = talloc(conn, struct trans_state)) == NULL) {
2804                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2805                 END_PROFILE(SMBnttrans);
2806                 return;
2807         }
2808
2809         state->cmd = SMBnttrans;
2810
2811         state->mid = req->mid;
2812         state->vuid = req->vuid;
2813         state->total_data = IVAL(req->vwv+3, 1);
2814         state->data = NULL;
2815         state->total_param = IVAL(req->vwv+1, 1);
2816         state->param = NULL;
2817         state->max_data_return = IVAL(req->vwv+7, 1);
2818         state->max_param_return = IVAL(req->vwv+5, 1);
2819
2820         /* setup count is in *words* */
2821         state->setup_count = 2*CVAL(req->vwv+17, 1);
2822         state->setup = NULL;
2823         state->call = function_code;
2824
2825         DEBUG(10, ("num_setup=%u, "
2826                    "param_total=%u, this_param=%u, max_param=%u, "
2827                    "data_total=%u, this_data=%u, max_data=%u, "
2828                    "param_offset=%u, data_offset=%u\n",
2829                    (unsigned)state->setup_count,
2830                    (unsigned)state->total_param, (unsigned)pscnt,
2831                    (unsigned)state->max_param_return,
2832                    (unsigned)state->total_data, (unsigned)dscnt,
2833                    (unsigned)state->max_data_return,
2834                    (unsigned)psoff, (unsigned)dsoff));
2835
2836         /*
2837          * All nttrans messages we handle have smb_wct == 19 +
2838          * state->setup_count.  Ensure this is so as a sanity check.
2839          */
2840
2841         if(req->wct != 19 + (state->setup_count/2)) {
2842                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2843                          req->wct, 19 + (state->setup_count/2)));
2844                 goto bad_param;
2845         }
2846
2847         /* Don't allow more than 128mb for each value. */
2848         if ((state->total_data > (1024*1024*128)) ||
2849             (state->total_param > (1024*1024*128))) {
2850                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2851                 END_PROFILE(SMBnttrans);
2852                 return;
2853         }
2854
2855         if ((dscnt > state->total_data) || (pscnt > state->total_param))
2856                 goto bad_param;
2857
2858         if (state->total_data)  {
2859
2860                 if (trans_oob(state->total_data, 0, dscnt)
2861                     || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
2862                         goto bad_param;
2863                 }
2864
2865                 /* Can't use talloc here, the core routines do realloc on the
2866                  * params and data. */
2867                 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2868                         DEBUG(0,("reply_nttrans: data malloc fail for %u "
2869                                  "bytes !\n", (unsigned int)state->total_data));
2870                         TALLOC_FREE(state);
2871                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2872                         END_PROFILE(SMBnttrans);
2873                         return;
2874                 }
2875
2876                 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2877         }
2878
2879         if (state->total_param) {
2880
2881                 if (trans_oob(state->total_param, 0, pscnt)
2882                     || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
2883                         goto bad_param;
2884                 }
2885
2886                 /* Can't use talloc here, the core routines do realloc on the
2887                  * params and data. */
2888                 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2889                         DEBUG(0,("reply_nttrans: param malloc fail for %u "
2890                                  "bytes !\n", (unsigned int)state->total_param));
2891                         SAFE_FREE(state->data);
2892                         TALLOC_FREE(state);
2893                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2894                         END_PROFILE(SMBnttrans);
2895                         return;
2896                 }
2897
2898                 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2899         }
2900
2901         state->received_data  = dscnt;
2902         state->received_param = pscnt;
2903
2904         if(state->setup_count > 0) {
2905                 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2906                           state->setup_count));
2907
2908                 /*
2909                  * No overflow possible here, state->setup_count is an
2910                  * unsigned int, being filled by a single byte from
2911                  * CVAL(req->vwv+13, 0) above. The cast in the comparison
2912                  * below is not necessary, it's here to clarify things. The
2913                  * validity of req->vwv and req->wct has been checked in
2914                  * init_smb_request already.
2915                  */
2916                 if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
2917                         goto bad_param;
2918                 }
2919
2920                 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2921                 if (state->setup == NULL) {
2922                         DEBUG(0,("reply_nttrans : Out of memory\n"));
2923                         SAFE_FREE(state->data);
2924                         SAFE_FREE(state->param);
2925                         TALLOC_FREE(state);
2926                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2927                         END_PROFILE(SMBnttrans);
2928                         return;
2929                 }
2930
2931                 memcpy(state->setup, req->vwv+19, state->setup_count);
2932                 dump_data(10, (uint8 *)state->setup, state->setup_count);
2933         }
2934
2935         if ((state->received_data == state->total_data) &&
2936             (state->received_param == state->total_param)) {
2937                 handle_nttrans(conn, state, req);
2938                 SAFE_FREE(state->param);
2939                 SAFE_FREE(state->data);
2940                 TALLOC_FREE(state);
2941                 END_PROFILE(SMBnttrans);
2942                 return;
2943         }
2944
2945         DLIST_ADD(conn->pending_trans, state);
2946
2947         /* We need to send an interim response then receive the rest
2948            of the parameter/data bytes */
2949         reply_outbuf(req, 0, 0);
2950         show_msg((char *)req->outbuf);
2951         END_PROFILE(SMBnttrans);
2952         return;
2953
2954   bad_param:
2955
2956         DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2957         SAFE_FREE(state->data);
2958         SAFE_FREE(state->param);
2959         TALLOC_FREE(state);
2960         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2961         END_PROFILE(SMBnttrans);
2962         return;
2963 }
2964
2965 /****************************************************************************
2966  Reply to a SMBnttranss
2967  ****************************************************************************/
2968
2969 void reply_nttranss(struct smb_request *req)
2970 {
2971         connection_struct *conn = req->conn;
2972         uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
2973         struct trans_state *state;
2974
2975         START_PROFILE(SMBnttranss);
2976
2977         show_msg((const char *)req->inbuf);
2978
2979         /* Windows clients expect all replies to
2980            an NT transact secondary (SMBnttranss 0xA1)
2981            to have a command code of NT transact
2982            (SMBnttrans 0xA0). See bug #8989 for details. */
2983         req->cmd = SMBnttrans;
2984
2985         if (req->wct < 18) {
2986                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2987                 END_PROFILE(SMBnttranss);
2988                 return;
2989         }
2990
2991         for (state = conn->pending_trans; state != NULL;
2992              state = state->next) {
2993                 if (state->mid == req->mid) {
2994                         break;
2995                 }
2996         }
2997
2998         if ((state == NULL) || (state->cmd != SMBnttrans)) {
2999                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3000                 END_PROFILE(SMBnttranss);
3001                 return;
3002         }
3003
3004         /* Revise state->total_param and state->total_data in case they have
3005            changed downwards */
3006         if (IVAL(req->vwv+1, 1) < state->total_param) {
3007                 state->total_param = IVAL(req->vwv+1, 1);
3008         }
3009         if (IVAL(req->vwv+3, 1) < state->total_data) {
3010                 state->total_data = IVAL(req->vwv+3, 1);
3011         }
3012
3013         pcnt = IVAL(req->vwv+5, 1);
3014         poff = IVAL(req->vwv+7, 1);
3015         pdisp = IVAL(req->vwv+9, 1);
3016
3017         dcnt = IVAL(req->vwv+11, 1);
3018         doff = IVAL(req->vwv+13, 1);
3019         ddisp = IVAL(req->vwv+15, 1);
3020
3021         state->received_param += pcnt;
3022         state->received_data += dcnt;
3023
3024         if ((state->received_data > state->total_data) ||
3025             (state->received_param > state->total_param))
3026                 goto bad_param;
3027
3028         if (pcnt) {
3029                 if (trans_oob(state->total_param, pdisp, pcnt)
3030                     || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
3031                         goto bad_param;
3032                 }
3033                 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
3034         }
3035
3036         if (dcnt) {
3037                 if (trans_oob(state->total_data, ddisp, dcnt)
3038                     || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
3039                         goto bad_param;
3040                 }
3041                 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
3042         }
3043
3044         if ((state->received_param < state->total_param) ||
3045             (state->received_data < state->total_data)) {
3046                 END_PROFILE(SMBnttranss);
3047                 return;
3048         }
3049
3050         handle_nttrans(conn, state, req);
3051
3052         DLIST_REMOVE(conn->pending_trans, state);
3053         SAFE_FREE(state->data);
3054         SAFE_FREE(state->param);
3055         TALLOC_FREE(state);
3056         END_PROFILE(SMBnttranss);
3057         return;
3058
3059   bad_param:
3060
3061         DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3062         DLIST_REMOVE(conn->pending_trans, state);
3063         SAFE_FREE(state->data);
3064         SAFE_FREE(state->param);
3065         TALLOC_FREE(state);
3066         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3067         END_PROFILE(SMBnttranss);
3068         return;
3069 }