source3/smbd/nttrans.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    SMB NT transaction handling
   4    Copyright (C) Jeremy Allison 1994-1998
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #include "includes.h"
  22
  23 extern int Protocol;
  24 extern int smb_read_error;
  25 extern int global_oplock_break;
  26 extern BOOL case_sensitive;
  27 extern BOOL case_preserve;
  28 extern BOOL short_case_preserve;
  29
  30 static char *known_nt_pipes[] = {
  31         "\\LANMAN",
  32         "\\srvsvc",
  33         "\\samr",
  34         "\\wkssvc",
  35         "\\NETLOGON",
  36         "\\ntlsa",
  37         "\\ntsvcs",
  38         "\\lsass",
  39         "\\lsarpc",
  40         "\\winreg",
  41         "\\spoolss",
  42         "\\netdfs",
  43         NULL
  44 };
  45
  46 /* Map generic permissions to file object specific permissions */
  47
  48 struct generic_mapping file_generic_mapping = {
  49         FILE_GENERIC_READ,
  50         FILE_GENERIC_WRITE,
  51         FILE_GENERIC_EXECUTE,
  52         FILE_GENERIC_ALL
  53 };
  54
  55 /****************************************************************************
  56  Send the required number of replies back.
  57  We assume all fields other than the data fields are
  58  set correctly for the type of call.
  59  HACK ! Always assumes smb_setup field is zero.
  60 ****************************************************************************/
  61
  62 static int send_nt_replies(char *inbuf, char *outbuf, int bufsize, NTSTATUS nt_error, char *params,
  63                            int paramsize, char *pdata, int datasize)
  64 {
  65         extern int max_send;
  66         int data_to_send = datasize;
  67         int params_to_send = paramsize;
  68         int useable_space;
  69         char *pp = params;
  70         char *pd = pdata;
  71         int params_sent_thistime, data_sent_thistime, total_sent_thistime;
  72         int alignment_offset = 3;
  73         int data_alignment_offset = 0;
  74
  75         /*
  76          * Initially set the wcnt area to be 18 - this is true for all
  77          * transNT replies.
  78          */
  79
  80         set_message(outbuf,18,0,True);
  81
  82         if (NT_STATUS_V(nt_error))
  83                 ERROR_NT(nt_error);
  84
  85         /*
  86          * If there genuinely are no parameters or data to send just send
  87          * the empty packet.
  88          */
  89
  90         if(params_to_send == 0 && data_to_send == 0) {
  91                 if (!send_smb(smbd_server_fd(),outbuf))
  92                         exit_server("send_nt_replies: send_smb failed.");
  93                 return 0;
  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          * Space is bufsize minus Netbios over TCP header minus SMB header.
 107          * The alignment_offset is to align the param bytes on a four byte
 108          * boundary (2 bytes for data len, one byte pad).
 109          * NT needs this to work correctly.
 110          */
 111
 112         useable_space = bufsize - ((smb_buf(outbuf)+
 113                                 alignment_offset+data_alignment_offset) -
 114                                 outbuf);
 115
 116         /*
 117          * useable_space can never be more than max_send minus the
 118          * alignment offset.
 119          */
 120
 121         useable_space = MIN(useable_space,
 122                                 max_send - (alignment_offset+data_alignment_offset));
 123
 124
 125         while (params_to_send || data_to_send) {
 126
 127                 /*
 128                  * Calculate whether we will totally or partially fill this packet.
 129                  */
 130
 131                 total_sent_thistime = params_to_send + data_to_send +
 132                                         alignment_offset + data_alignment_offset;
 133
 134                 /*
 135                  * We can never send more than useable_space.
 136                  */
 137
 138                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
 139
 140                 set_message(outbuf, 18, total_sent_thistime, True);
 141
 142                 /*
 143                  * Set total params and data to be sent.
 144                  */
 145
 146                 SIVAL(outbuf,smb_ntr_TotalParameterCount,paramsize);
 147                 SIVAL(outbuf,smb_ntr_TotalDataCount,datasize);
 148
 149                 /*
 150                  * Calculate how many parameters and data we can fit into
 151                  * this packet. Parameters get precedence.
 152                  */
 153
 154                 params_sent_thistime = MIN(params_to_send,useable_space);
 155                 data_sent_thistime = useable_space - params_sent_thistime;
 156                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
 157
 158                 SIVAL(outbuf,smb_ntr_ParameterCount,params_sent_thistime);
 159
 160                 if(params_sent_thistime == 0) {
 161                         SIVAL(outbuf,smb_ntr_ParameterOffset,0);
 162                         SIVAL(outbuf,smb_ntr_ParameterDisplacement,0);
 163                 } else {
 164                         /*
 165                          * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
 166                          * parameter bytes, however the first 4 bytes of outbuf are
 167                          * the Netbios over TCP header. Thus use smb_base() to subtract
 168                          * them from the calculation.
 169                          */
 170
 171                         SIVAL(outbuf,smb_ntr_ParameterOffset,
 172                                 ((smb_buf(outbuf)+alignment_offset) - smb_base(outbuf)));
 173                         /*
 174                          * Absolute displacement of param bytes sent in this packet.
 175                          */
 176
 177                         SIVAL(outbuf,smb_ntr_ParameterDisplacement,pp - params);
 178                 }
 179
 180                 /*
 181                  * Deal with the data portion.
 182                  */
 183
 184                 SIVAL(outbuf,smb_ntr_DataCount, data_sent_thistime);
 185
 186                 if(data_sent_thistime == 0) {
 187                         SIVAL(outbuf,smb_ntr_DataOffset,0);
 188                         SIVAL(outbuf,smb_ntr_DataDisplacement, 0);
 189                 } else {
 190                         /*
 191                          * The offset of the data bytes is the offset of the
 192                          * parameter bytes plus the number of parameters being sent this time.
 193                          */
 194
 195                         SIVAL(outbuf,smb_ntr_DataOffset,((smb_buf(outbuf)+alignment_offset) -
 196                                 smb_base(outbuf)) + params_sent_thistime + data_alignment_offset);
 197                                 SIVAL(outbuf,smb_ntr_DataDisplacement, pd - pdata);
 198                 }
 199
 200                 /*
 201                  * Copy the param bytes into the packet.
 202                  */
 203
 204                 if(params_sent_thistime)
 205                         memcpy((smb_buf(outbuf)+alignment_offset),pp,params_sent_thistime);
 206
 207                 /*
 208                  * Copy in the data bytes
 209                  */
 210
 211                 if(data_sent_thistime)
 212                         memcpy(smb_buf(outbuf)+alignment_offset+params_sent_thistime+
 213                                 data_alignment_offset,pd,data_sent_thistime);
 214
 215                 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
 216                         params_sent_thistime, data_sent_thistime, useable_space));
 217                 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
 218                         params_to_send, data_to_send, paramsize, datasize));
 219
 220                 /* Send the packet */
 221                 if (!send_smb(smbd_server_fd(),outbuf))
 222                         exit_server("send_nt_replies: send_smb failed.");
 223
 224                 pp += params_sent_thistime;
 225                 pd += data_sent_thistime;
 226
 227                 params_to_send -= params_sent_thistime;
 228                 data_to_send -= data_sent_thistime;
 229
 230                 /*
 231                  * Sanity check
 232                  */
 233
 234                 if(params_to_send < 0 || data_to_send < 0) {
 235                         DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
 236                                 params_to_send, data_to_send));
 237                         return -1;
 238                 }
 239         }
 240
 241         return 0;
 242 }
 243
 244 /****************************************************************************
 245  Save case statics.
 246 ****************************************************************************/
 247
 248 static BOOL saved_case_sensitive;
 249 static BOOL saved_case_preserve;
 250 static BOOL saved_short_case_preserve;
 251
 252 /****************************************************************************
 253  Save case semantics.
 254 ****************************************************************************/
 255
 256 static void set_posix_case_semantics(uint32 file_attributes)
 257 {
 258         if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS))
 259                 return;
 260
 261         saved_case_sensitive = case_sensitive;
 262         saved_case_preserve = case_preserve;
 263         saved_short_case_preserve = short_case_preserve;
 264
 265         /* Set to POSIX. */
 266         case_sensitive = True;
 267         case_preserve = True;
 268         short_case_preserve = True;
 269 }
 270
 271 /****************************************************************************
 272  Restore case semantics.
 273 ****************************************************************************/
 274
 275 static void restore_case_semantics(uint32 file_attributes)
 276 {
 277         if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS))
 278                 return;
 279
 280         case_sensitive = saved_case_sensitive;
 281         case_preserve = saved_case_preserve;
 282         short_case_preserve = saved_short_case_preserve;
 283 }
 284
 285 /****************************************************************************
 286  Utility function to map create disposition.
 287 ****************************************************************************/
 288
 289 static int map_create_disposition( uint32 create_disposition)
 290 {
 291         int ret;
 292
 293         switch( create_disposition ) {
 294                 case FILE_CREATE:
 295                         /* create if not exist, fail if exist */
 296                         ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_FAIL);
 297                         break;
 298                 case FILE_SUPERSEDE:
 299                 case FILE_OVERWRITE_IF:
 300                         /* create if not exist, trunc if exist */
 301                         ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE);
 302                         break;
 303                 case FILE_OPEN:
 304                         /* fail if not exist, open if exists */
 305                         ret = (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN);
 306                         break;
 307                 case FILE_OPEN_IF:
 308                         /* create if not exist, open if exists */
 309                         ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_OPEN);
 310                         break;
 311                 case FILE_OVERWRITE:
 312                         /* fail if not exist, truncate if exists */
 313                         ret = (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE);
 314                         break;
 315                 default:
 316                         DEBUG(0,("map_create_disposition: Incorrect value for create_disposition = %d\n",
 317                                 create_disposition ));
 318                         return -1;
 319         }
 320
 321         DEBUG(10,("map_create_disposition: Mapped create_disposition 0x%lx to 0x%x\n",
 322                         (unsigned long)create_disposition, ret ));
 323
 324         return ret;
 325 }
 326
 327 /****************************************************************************
 328  Utility function to map share modes.
 329 ****************************************************************************/
 330
 331 static int map_share_mode( char *fname, uint32 create_options,
 332                         uint32 *desired_access, uint32 share_access, uint32 file_attributes)
 333 {
 334         int smb_open_mode = -1;
 335
 336         /*
 337          * Convert GENERIC bits to specific bits.
 338          */
 339
 340         se_map_generic(desired_access, &file_generic_mapping);
 341
 342         switch( *desired_access & (FILE_READ_DATA|FILE_WRITE_DATA|FILE_APPEND_DATA) ) {
 343                 case FILE_READ_DATA:
 344                         smb_open_mode = DOS_OPEN_RDONLY;
 345                         break;
 346                 case FILE_WRITE_DATA:
 347                 case FILE_APPEND_DATA:
 348                 case FILE_WRITE_DATA|FILE_APPEND_DATA:
 349                         smb_open_mode = DOS_OPEN_WRONLY;
 350                         break;
 351                 case FILE_READ_DATA|FILE_WRITE_DATA:
 352                 case FILE_READ_DATA|FILE_WRITE_DATA|FILE_APPEND_DATA:
 353                 case FILE_READ_DATA|FILE_APPEND_DATA:
 354                         smb_open_mode = DOS_OPEN_RDWR;
 355                         break;
 356         }
 357
 358         /*
 359          * NB. For DELETE_ACCESS we should really check the
 360          * directory permissions, as that is what controls
 361          * delete, and for WRITE_DAC_ACCESS we should really
 362          * check the ownership, as that is what controls the
 363          * chmod. Note that this is *NOT* a security hole (this
 364          * note is for you, Andrew) as we are not *allowing*
 365          * the access at this point, the actual unlink or
 366          * chown or chmod call would do this. We are just helping
 367          * clients out by telling them if they have a hope
 368          * of any of this succeeding. POSIX acls may still
 369          * deny the real call. JRA.
 370          */
 371
 372         if (smb_open_mode == -1) {
 373
 374                 if(*desired_access & (DELETE_ACCESS|WRITE_DAC_ACCESS|WRITE_OWNER_ACCESS|SYNCHRONIZE_ACCESS|
 375                                         FILE_EXECUTE|FILE_READ_ATTRIBUTES|
 376                                         FILE_READ_EA|FILE_WRITE_EA|SYSTEM_SECURITY_ACCESS|
 377                                         FILE_WRITE_ATTRIBUTES|READ_CONTROL_ACCESS)) {
 378                         smb_open_mode = DOS_OPEN_RDONLY;
 379                 } else if(*desired_access == 0) {
 380
 381                         /*
 382                          * JRA - NT seems to sometimes send desired_access as zero. play it safe
 383                          * and map to a stat open.
 384                          */
 385
 386                         smb_open_mode = DOS_OPEN_RDONLY;
 387
 388                 } else {
 389                         DEBUG(0,("map_share_mode: Incorrect value 0x%lx for desired_access to file %s\n",
 390                                 (unsigned long)*desired_access, fname));
 391                         return -1;
 392                 }
 393         }
 394
 395         /*
 396          * Set the special bit that means allow share delete.
 397          * This is held outside the normal share mode bits at 1<<15.
 398          * JRA.
 399          */
 400
 401         if(share_access & FILE_SHARE_DELETE) {
 402                 smb_open_mode |= ALLOW_SHARE_DELETE;
 403                 DEBUG(10,("map_share_mode: FILE_SHARE_DELETE requested. open_mode = 0x%x\n", smb_open_mode));
 404         }
 405
 406         /*
 407          * We need to store the intent to open for Delete. This
 408          * is what determines if a delete on close flag can be set.
 409          * This is the wrong way (and place) to store this, but for 2.2 this
 410          * is the only practical way. JRA.
 411          */
 412
 413         if(*desired_access & DELETE_ACCESS) {
 414                 DEBUG(10,("map_share_mode: DELETE_ACCESS requested. open_mode = 0x%x\n", smb_open_mode));
 415         }
 416
 417         if (create_options & FILE_DELETE_ON_CLOSE) {
 418                 /* Implicit delete access is *NOT* requested... */
 419                 smb_open_mode |= DELETE_ON_CLOSE_FLAG;
 420                 DEBUG(10,("map_share_mode: FILE_DELETE_ON_CLOSE requested. open_mode = 0x%x\n", smb_open_mode));
 421         }
 422
 423         /* Add in the requested share mode. */
 424         switch( share_access & (FILE_SHARE_READ|FILE_SHARE_WRITE)) {
 425                 case FILE_SHARE_READ:
 426                         smb_open_mode |= SET_DENY_MODE(DENY_WRITE);
 427                         break;
 428                 case FILE_SHARE_WRITE:
 429                         smb_open_mode |= SET_DENY_MODE(DENY_READ);
 430                         break;
 431                 case (FILE_SHARE_READ|FILE_SHARE_WRITE):
 432                         smb_open_mode |= SET_DENY_MODE(DENY_NONE);
 433                         break;
 434                 case FILE_SHARE_NONE:
 435                         smb_open_mode |= SET_DENY_MODE(DENY_ALL);
 436                         break;
 437         }
 438
 439         /*
 440          * Handle an O_SYNC request.
 441          */
 442
 443         if(file_attributes & FILE_FLAG_WRITE_THROUGH)
 444                 smb_open_mode |= FILE_SYNC_OPENMODE;
 445
 446         DEBUG(10,("map_share_mode: Mapped desired access 0x%lx, share access 0x%lx, file attributes 0x%lx \
 447 to open_mode 0x%x\n", (unsigned long)*desired_access, (unsigned long)share_access,
 448                 (unsigned long)file_attributes, smb_open_mode ));
 449
 450         return smb_open_mode;
 451 }
 452
 453 /****************************************************************************
 454  Reply to an NT create and X call on a pipe.
 455 ****************************************************************************/
 456
 457 static int nt_open_pipe(char *fname, connection_struct *conn,
 458                         char *inbuf, char *outbuf, int *ppnum)
 459 {
 460         smb_np_struct *p = NULL;
 461
 462         uint16 vuid = SVAL(inbuf, smb_uid);
 463         int i;
 464
 465         DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
 466
 467         /* See if it is one we want to handle. */
 468
 469         if (lp_disable_spoolss() && strequal(fname, "\\spoolss"))
 470                 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
 471
 472         for( i = 0; known_nt_pipes[i]; i++ )
 473                 if( strequal(fname,known_nt_pipes[i]))
 474                         break;
 475
 476         if ( known_nt_pipes[i] == NULL )
 477                 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
 478
 479         /* Strip \\ off the name. */
 480         fname++;
 481
 482         DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
 483
 484         p = open_rpc_pipe_p(fname, conn, vuid);
 485         if (!p)
 486                 return(ERROR_DOS(ERRSRV,ERRnofids));
 487
 488         *ppnum = p->pnum;
 489
 490         return 0;
 491 }
 492
 493 /****************************************************************************
 494  Reply to an NT create and X call for pipes.
 495 ****************************************************************************/
 496
 497 static int do_ntcreate_pipe_open(connection_struct *conn,
 498                          char *inbuf,char *outbuf,int length,int bufsize)
 499 {
 500         pstring fname;
 501         int ret;
 502         int pnum = -1;
 503         char *p = NULL;
 504
 505         srvstr_pull_buf(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE);
 506
 507         if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0)
 508                 return ret;
 509
 510         /*
 511          * Deal with pipe return.
 512          */
 513
 514         set_message(outbuf,34,0,True);
 515
 516         p = outbuf + smb_vwv2;
 517         p++;
 518         SSVAL(p,0,pnum);
 519         p += 2;
 520         SIVAL(p,0,FILE_WAS_OPENED);
 521         p += 4;
 522         p += 32;
 523         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 524         p += 20;
 525         /* File type. */
 526         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 527         /* Device state. */
 528         SSVAL(p,2, 0x5FF); /* ? */
 529
 530         DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
 531
 532         return chain_reply(inbuf,outbuf,length,bufsize);
 533 }
 534
 535 /****************************************************************************
 536  Reply to an NT create and X call.
 537 ****************************************************************************/
 538
 539 int reply_ntcreate_and_X(connection_struct *conn,
 540                          char *inbuf,char *outbuf,int length,int bufsize)
 541 {
 542         int result;
 543         pstring fname;
 544         uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
 545         uint32 desired_access = IVAL(inbuf,smb_ntcreate_DesiredAccess);
 546         uint32 file_attributes = IVAL(inbuf,smb_ntcreate_FileAttributes);
 547         uint32 share_access = IVAL(inbuf,smb_ntcreate_ShareAccess);
 548         uint32 create_disposition = IVAL(inbuf,smb_ntcreate_CreateDisposition);
 549         uint32 create_options = IVAL(inbuf,smb_ntcreate_CreateOptions);
 550         uint16 root_dir_fid = (uint16)IVAL(inbuf,smb_ntcreate_RootDirectoryFid);
 551         SMB_BIG_UINT allocation_size = 0;
 552         int smb_ofun;
 553         int smb_open_mode;
 554         int smb_attr = (file_attributes & SAMBA_ATTRIBUTES_MASK);
 555         /* Breakout the oplock request bits so we can set the
 556            reply bits separately. */
 557         int oplock_request = 0;
 558         mode_t unixmode;
 559         int fmode=0,rmode=0;
 560         SMB_OFF_T file_len = 0;
 561         SMB_STRUCT_STAT sbuf;
 562         int smb_action = 0;
 563         BOOL bad_path = False;
 564         files_struct *fsp=NULL;
 565         char *p = NULL;
 566         time_t c_time;
 567         BOOL extended_oplock_granted = False;
 568
 569         START_PROFILE(SMBntcreateX);
 570
 571         DEBUG(10,("reply_ntcreateX: flags = 0x%x, desired_access = 0x%x \
 572 file_attributes = 0x%x, share_access = 0x%x, create_disposition = 0x%x \
 573 create_options = 0x%x root_dir_fid = 0x%x\n", flags, desired_access, file_attributes,
 574                         share_access, create_disposition,
 575                         create_options, root_dir_fid ));
 576
 577         /* If it's an IPC, use the pipe handler. */
 578
 579         if (IS_IPC(conn)) {
 580                 if (lp_nt_pipe_support()) {
 581                         END_PROFILE(SMBntcreateX);
 582                         return do_ntcreate_pipe_open(conn,inbuf,outbuf,length,bufsize);
 583                 } else {
 584                         END_PROFILE(SMBntcreateX);
 585                         return(ERROR_DOS(ERRDOS,ERRnoaccess));
 586                 }
 587         }
 588
 589         if (create_options & FILE_OPEN_BY_FILE_ID) {
 590                 END_PROFILE(SMBntcreateX);
 591                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
 592         }
 593
 594         /*
 595          * We need to construct the open_and_X ofun value from the
 596          * NT values, as that's what our code is structured to accept.
 597          */
 598
 599         if((smb_ofun = map_create_disposition( create_disposition )) == -1) {
 600                 END_PROFILE(SMBntcreateX);
 601                 return(ERROR_DOS(ERRDOS,ERRnoaccess));
 602         }
 603
 604         /*
 605          * Get the file name.
 606          */
 607
 608         if(root_dir_fid != 0) {
 609                 /*
 610                  * This filename is relative to a directory fid.
 611                  */
 612                 files_struct *dir_fsp = file_fsp(inbuf,smb_ntcreate_RootDirectoryFid);
 613                 size_t dir_name_len;
 614
 615                 if(!dir_fsp) {
 616                         END_PROFILE(SMBntcreateX);
 617                         return(ERROR_DOS(ERRDOS,ERRbadfid));
 618                 }
 619
 620                 if(!dir_fsp->is_directory) {
 621
 622                         srvstr_pull_buf(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE);
 623
 624                         /*
 625                          * Check to see if this is a mac fork of some kind.
 626                          */
 627
 628                         if( strchr_m(fname, ':')) {
 629                                 END_PROFILE(SMBntcreateX);
 630                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 631                         }
 632                         END_PROFILE(SMBntcreateX);
 633                         return(ERROR_DOS(ERRDOS,ERRbadfid));
 634                 }
 635
 636                 /*
 637                  * Copy in the base directory name.
 638                  */
 639
 640                 pstrcpy( fname, dir_fsp->fsp_name );
 641                 dir_name_len = strlen(fname);
 642
 643                 /*
 644                  * Ensure it ends in a '\'.
 645                  */
 646
 647                 if(fname[dir_name_len-1] != '\\' && fname[dir_name_len-1] != '/') {
 648                         pstrcat(fname, "\\");
 649                         dir_name_len++;
 650                 }
 651
 652                 srvstr_pull_buf(inbuf, &fname[dir_name_len], smb_buf(inbuf), sizeof(fname)-dir_name_len, STR_TERMINATE);
 653         } else {
 654                 srvstr_pull_buf(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE);
 655
 656                 /*
 657                  * Check to see if this is a mac fork of some kind.
 658                  */
 659
 660                 if( strchr_m(fname, ':')) {
 661                         END_PROFILE(SMBntcreateX);
 662                         return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 663                 }
 664         }
 665
 666         /*
 667          * Now contruct the smb_open_mode value from the filename,
 668          * desired access and the share access.
 669          */
 670         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
 671
 672         if((smb_open_mode = map_share_mode(fname, create_options, &desired_access,
 673                                            share_access,
 674                                            file_attributes)) == -1) {
 675                 END_PROFILE(SMBntcreateX);
 676                 return ERROR_DOS(ERRDOS,ERRnoaccess);
 677         }
 678
 679         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 680         if (oplock_request) {
 681                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
 682         }
 683
 684         /*
 685          * Ordinary file or directory.
 686          */
 687
 688         /*
 689          * Check if POSIX semantics are wanted.
 690          */
 691
 692         set_posix_case_semantics(file_attributes);
 693
 694         unix_convert(fname,conn,0,&bad_path,&sbuf);
 695
 696         unixmode = unix_mode(conn,smb_attr | aARCH, fname);
 697
 698         /*
 699          * If it's a request for a directory open, deal with it separately.
 700          */
 701
 702         if(create_options & FILE_DIRECTORY_FILE) {
 703                 oplock_request = 0;
 704
 705                 /* Can't open a temp directory. IFS kit test. */
 706                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
 707                         END_PROFILE(SMBntcreateX);
 708                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
 709                 }
 710
 711                 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, unixmode, &smb_action);
 712
 713                 restore_case_semantics(file_attributes);
 714
 715                 if(!fsp) {
 716                         set_bad_path_error(errno, bad_path);
 717                         END_PROFILE(SMBntcreateX);
 718                         return(UNIXERROR(ERRDOS,ERRnoaccess));
 719                 }
 720         } else {
 721                 /*
 722                  * Ordinary file case.
 723                  */
 724
 725                 /* NB. We have a potential bug here. If we
 726                  * cause an oplock break to ourselves, then we
 727                  * could end up processing filename related
 728                  * SMB requests whilst we await the oplock
 729                  * break response. As we may have changed the
 730                  * filename case semantics to be POSIX-like,
 731                  * this could mean a filename request could
 732                  * fail when it should succeed. This is a rare
 733                  * condition, but eventually we must arrange
 734                  * to restore the correct case semantics
 735                  * before issuing an oplock break request to
 736                  * our client. JRA.  */
 737
 738                 fsp = open_file_shared1(conn,fname,&sbuf,
 739                                         desired_access,
 740                                         smb_open_mode,
 741                                         smb_ofun,unixmode, oplock_request,
 742                                         &rmode,&smb_action);
 743
 744                 if (!fsp) {
 745                         /* We cheat here. There are two cases we
 746                          * care about. One is a directory rename,
 747                          * where the NT client will attempt to
 748                          * open the source directory for
 749                          * DELETE access. Note that when the
 750                          * NT client does this it does *not*
 751                          * set the directory bit in the
 752                          * request packet. This is translated
 753                          * into a read/write open
 754                          * request. POSIX states that any open
 755                          * for write request on a directory
 756                          * will generate an EISDIR error, so
 757                          * we can catch this here and open a
 758                          * pseudo handle that is flagged as a
 759                          * directory. The second is an open
 760                          * for a permissions read only, which
 761                          * we handle in the open_file_stat case. JRA.
 762                          */
 763
 764                         if(errno == EISDIR) {
 765
 766                                 /*
 767                                  * Fail the open if it was explicitly a non-directory file.
 768                                  */
 769
 770                                 if (create_options & FILE_NON_DIRECTORY_FILE) {
 771                                         restore_case_semantics(file_attributes);
 772                                         SSVAL(outbuf, smb_flg2,
 773                                               SVAL(outbuf,smb_flg2) | FLAGS2_32_BIT_ERROR_CODES);
 774                                         END_PROFILE(SMBntcreateX);
 775                                         return ERROR_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
 776                                 }
 777
 778                                 oplock_request = 0;
 779                                 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, unixmode, &smb_action);
 780
 781                                 if(!fsp) {
 782                                         restore_case_semantics(file_attributes);
 783                                         set_bad_path_error(errno, bad_path);
 784                                         END_PROFILE(SMBntcreateX);
 785                                         return(UNIXERROR(ERRDOS,ERRnoaccess));
 786                                 }
 787                         } else {
 788
 789                                 restore_case_semantics(file_attributes);
 790                                 set_bad_path_error(errno, bad_path);
 791                                 END_PROFILE(SMBntcreateX);
 792                                 return(UNIXERROR(ERRDOS,ERRnoaccess));
 793                         }
 794                 }
 795         }
 796
 797         restore_case_semantics(file_attributes);
 798
 799         file_len = sbuf.st_size;
 800         fmode = dos_mode(conn,fname,&sbuf);
 801         if(fmode == 0)
 802                 fmode = FILE_ATTRIBUTE_NORMAL;
 803         if (!fsp->is_directory && (fmode & aDIR)) {
 804                 close_file(fsp,False);
 805                 END_PROFILE(SMBntcreateX);
 806                 return ERROR_DOS(ERRDOS,ERRnoaccess);
 807         }
 808
 809         /* Save the requested allocation size. */
 810         allocation_size = (SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize);
 811 #ifdef LARGE_SMB_OFF_T
 812         allocation_size |= (((SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
 813 #endif
 814         if (allocation_size && (allocation_size > (SMB_BIG_UINT)file_len)) {
 815                 fsp->initial_allocation_size = SMB_ROUNDUP(allocation_size,SMB_ROUNDUP_ALLOCATION_SIZE);
 816                 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
 817                         close_file(fsp,False);
 818                         END_PROFILE(SMBntcreateX);
 819                         return ERROR_NT(NT_STATUS_DISK_FULL);
 820                 }
 821         } else {
 822                 fsp->initial_allocation_size = SMB_ROUNDUP(((SMB_BIG_UINT)file_len),SMB_ROUNDUP_ALLOCATION_SIZE);
 823         }
 824
 825         /*
 826          * If the caller set the extended oplock request bit
 827          * and we granted one (by whatever means) - set the
 828          * correct bit for extended oplock reply.
 829          */
 830
 831         if (oplock_request && lp_fake_oplocks(SNUM(conn)))
 832                 extended_oplock_granted = True;
 833
 834         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
 835                 extended_oplock_granted = True;
 836
 837 #if 0
 838         /* W2K sends back 42 words here ! If we do the same it breaks offline sync. Go figure... ? JRA. */
 839         set_message(outbuf,42,0,True);
 840 #else
 841         set_message(outbuf,34,0,True);
 842 #endif
 843
 844         p = outbuf + smb_vwv2;
 845
 846         /*
 847          * Currently as we don't support level II oplocks we just report
 848          * exclusive & batch here.
 849          */
 850
 851         if (extended_oplock_granted) {
 852                 if (flags & REQUEST_BATCH_OPLOCK) {
 853                         SCVAL(p,0, BATCH_OPLOCK_RETURN);
 854                 } else {
 855                         SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
 856                 }
 857         } else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type)) {
 858                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
 859         } else {
 860                 SCVAL(p,0,NO_OPLOCK_RETURN);
 861         }
 862
 863         p++;
 864         SSVAL(p,0,fsp->fnum);
 865         p += 2;
 866         if ((create_disposition == FILE_SUPERSEDE) && (smb_action == FILE_WAS_OVERWRITTEN))
 867                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
 868         else
 869                 SIVAL(p,0,smb_action);
 870         p += 4;
 871
 872         /* Create time. */
 873         c_time = get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
 874
 875         if (lp_dos_filetime_resolution(SNUM(conn))) {
 876                 c_time &= ~1;
 877                 sbuf.st_atime &= ~1;
 878                 sbuf.st_mtime &= ~1;
 879                 sbuf.st_mtime &= ~1;
 880         }
 881
 882         put_long_date(p,c_time);
 883         p += 8;
 884         put_long_date(p,sbuf.st_atime); /* access time */
 885         p += 8;
 886         put_long_date(p,sbuf.st_mtime); /* write time */
 887         p += 8;
 888         put_long_date(p,sbuf.st_mtime); /* change time */
 889         p += 8;
 890         SIVAL(p,0,fmode); /* File Attributes. */
 891         p += 4;
 892         SOFF_T(p, 0, get_allocation_size(fsp,&sbuf));
 893         p += 8;
 894         SOFF_T(p,0,file_len);
 895         p += 12;
 896         SCVAL(p,0,fsp->is_directory ? 1 : 0);
 897
 898         DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
 899
 900         result = chain_reply(inbuf,outbuf,length,bufsize);
 901         END_PROFILE(SMBntcreateX);
 902         return result;
 903 }
 904
 905 /****************************************************************************
 906  Reply to a NT_TRANSACT_CREATE call to open a pipe.
 907 ****************************************************************************/
 908
 909 static int do_nt_transact_create_pipe( connection_struct *conn,
 910                                         char *inbuf, char *outbuf, int length,
 911                                         int bufsize, char **ppsetup, char **ppparams,
 912                                         char **ppdata)
 913 {
 914         pstring fname;
 915         int total_parameter_count = (int)IVAL(inbuf, smb_nt_TotalParameterCount);
 916         char *params = *ppparams;
 917         int ret;
 918         int pnum = -1;
 919         char *p = NULL;
 920
 921         /*
 922          * Ensure minimum number of parameters sent.
 923          */
 924
 925         if(total_parameter_count < 54) {
 926                 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)total_parameter_count));
 927                 return ERROR_DOS(ERRDOS,ERRnoaccess);
 928         }
 929
 930         srvstr_pull(inbuf, fname, params+53, sizeof(fname), total_parameter_count-53, STR_TERMINATE);
 931
 932         if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0)
 933                 return ret;
 934
 935         /* Realloc the size of parameters and data we will return */
 936         params = Realloc(*ppparams, 69);
 937         if(params == NULL)
 938                 return ERROR_DOS(ERRDOS,ERRnomem);
 939
 940         *ppparams = params;
 941
 942         memset((char *)params,'\0',69);
 943
 944         p = params;
 945         SCVAL(p,0,NO_OPLOCK_RETURN);
 946
 947         p += 2;
 948         SSVAL(p,0,pnum);
 949         p += 2;
 950         SIVAL(p,0,FILE_WAS_OPENED);
 951         p += 8;
 952
 953         p += 32;
 954         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 955         p += 20;
 956         /* File type. */
 957         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 958         /* Device state. */
 959         SSVAL(p,2, 0x5FF); /* ? */
 960
 961         DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
 962
 963         /* Send the required number of replies */
 964         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
 965
 966         return -1;
 967 }
 968
 969 /****************************************************************************
 970  Internal fn to set security descriptors.
 971 ****************************************************************************/
 972
 973 static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent)
 974 {
 975         prs_struct pd;
 976         SEC_DESC *psd = NULL;
 977         TALLOC_CTX *mem_ctx;
 978         BOOL ret;
 979
 980         if (sd_len == 0) {
 981                 return NT_STATUS_OK;
 982         }
 983
 984         /*
 985          * Init the parse struct we will unmarshall from.
 986          */
 987
 988         if ((mem_ctx = talloc_init("set_sd")) == NULL) {
 989                 DEBUG(0,("set_sd: talloc_init failed.\n"));
 990                 return NT_STATUS_NO_MEMORY;
 991         }
 992
 993         prs_init(&pd, 0, mem_ctx, UNMARSHALL);
 994
 995         /*
 996          * Setup the prs_struct to point at the memory we just
 997          * allocated.
 998          */
 999
1000         prs_give_memory( &pd, data, sd_len, False);
1001
1002         /*
1003          * Finally, unmarshall from the data buffer.
1004          */
1005
1006         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1007                 DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
1008                 /*
1009                  * Return access denied for want of a better error message..
1010                  */
1011                 talloc_destroy(mem_ctx);
1012                 return NT_STATUS_NO_MEMORY;
1013         }
1014
1015         if (psd->off_owner_sid==0)
1016                 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
1017         if (psd->off_grp_sid==0)
1018                 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
1019         if (psd->off_sacl==0)
1020                 security_info_sent &= ~SACL_SECURITY_INFORMATION;
1021         if (psd->off_dacl==0)
1022                 security_info_sent &= ~DACL_SECURITY_INFORMATION;
1023
1024         ret = fsp->conn->vfs_ops.fset_nt_acl( fsp, fsp->fd, security_info_sent, psd);
1025
1026         if (!ret) {
1027                 talloc_destroy(mem_ctx);
1028                 return NT_STATUS_ACCESS_DENIED;
1029         }
1030
1031         talloc_destroy(mem_ctx);
1032
1033         return NT_STATUS_OK;
1034 }
1035
1036 /****************************************************************************
1037  Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1038 ****************************************************************************/
1039
1040 static int call_nt_transact_create(connection_struct *conn,
1041                                         char *inbuf, char *outbuf, int length,
1042                                         int bufsize, char **ppsetup, char **ppparams,
1043                                         char **ppdata)
1044 {
1045         pstring fname;
1046         char *params = *ppparams;
1047         char *data = *ppdata;
1048         int total_parameter_count = (int)IVAL(inbuf, smb_nt_TotalParameterCount);
1049         /* Breakout the oplock request bits so we can set the reply bits separately. */
1050         int oplock_request = 0;
1051         mode_t unixmode;
1052         int fmode=0,rmode=0;
1053         SMB_OFF_T file_len = 0;
1054         SMB_STRUCT_STAT sbuf;
1055         int smb_action = 0;
1056         BOOL bad_path = False;
1057         files_struct *fsp = NULL;
1058         char *p = NULL;
1059         BOOL extended_oplock_granted = False;
1060         uint32 flags;
1061         uint32 desired_access;
1062         uint32 file_attributes;
1063         uint32 share_access;
1064         uint32 create_disposition;
1065         uint32 create_options;
1066         uint32 sd_len;
1067         uint16 root_dir_fid;
1068         SMB_BIG_UINT allocation_size = 0;
1069         int smb_ofun;
1070         int smb_open_mode;
1071         int smb_attr;
1072         time_t c_time;
1073         NTSTATUS nt_status;
1074
1075         DEBUG(5,("call_nt_transact_create\n"));
1076
1077         /*
1078          * If it's an IPC, use the pipe handler.
1079          */
1080
1081         if (IS_IPC(conn)) {
1082                 if (lp_nt_pipe_support())
1083                         return do_nt_transact_create_pipe(conn, inbuf, outbuf, length,
1084                                         bufsize, ppsetup, ppparams, ppdata);
1085                 else
1086                         return ERROR_DOS(ERRDOS,ERRnoaccess);
1087         }
1088
1089         /*
1090          * Ensure minimum number of parameters sent.
1091          */
1092
1093         if(total_parameter_count < 54) {
1094                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)total_parameter_count));
1095                 return ERROR_DOS(ERRDOS,ERRnoaccess);
1096         }
1097
1098         flags = IVAL(params,0);
1099         desired_access = IVAL(params,8);
1100         file_attributes = IVAL(params,20);
1101         share_access = IVAL(params,24);
1102         create_disposition = IVAL(params,28);
1103         create_options = IVAL(params,32);
1104         sd_len = IVAL(params,36);
1105         root_dir_fid = (uint16)IVAL(params,4);
1106         smb_attr = (file_attributes & SAMBA_ATTRIBUTES_MASK);
1107
1108         if (create_options & FILE_OPEN_BY_FILE_ID) {
1109                 END_PROFILE(SMBntcreateX);
1110                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1111         }
1112
1113         /*
1114          * We need to construct the open_and_X ofun value from the
1115          * NT values, as that's what our code is structured to accept.
1116          */
1117
1118         if((smb_ofun = map_create_disposition( create_disposition )) == -1)
1119                 return ERROR_DOS(ERRDOS,ERRbadmem);
1120
1121         /*
1122          * Get the file name.
1123          */
1124
1125         if(root_dir_fid != 0) {
1126                 /*
1127                  * This filename is relative to a directory fid.
1128                  */
1129
1130                 files_struct *dir_fsp = file_fsp(params,4);
1131                 size_t dir_name_len;
1132
1133                 if(!dir_fsp)
1134                         return ERROR_DOS(ERRDOS,ERRbadfid);
1135
1136                 if(!dir_fsp->is_directory) {
1137
1138                         srvstr_pull(inbuf, fname, params+53, sizeof(fname), total_parameter_count-53, STR_TERMINATE);
1139
1140                         /*
1141                          * Check to see if this is a mac fork of some kind.
1142                          */
1143
1144                         if( strchr_m(fname, ':'))
1145                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1146
1147                         return ERROR_DOS(ERRDOS,ERRbadfid);
1148                 }
1149
1150                 /*
1151                  * Copy in the base directory name.
1152                  */
1153
1154                 pstrcpy( fname, dir_fsp->fsp_name );
1155                 dir_name_len = strlen(fname);
1156
1157                 /*
1158                  * Ensure it ends in a '\'.
1159                  */
1160
1161                 if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
1162                         pstrcat(fname, "\\");
1163                         dir_name_len++;
1164                 }
1165
1166                 srvstr_pull(inbuf, &fname[dir_name_len], params+53, sizeof(fname)-dir_name_len,
1167                                 total_parameter_count-53, STR_TERMINATE);
1168         } else {
1169                 srvstr_pull(inbuf, fname, params+53, sizeof(fname), total_parameter_count-53, STR_TERMINATE);
1170
1171                 /*
1172                  * Check to see if this is a mac fork of some kind.
1173                  */
1174
1175                 if( strchr_m(fname, ':'))
1176                         return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1177         }
1178
1179         /*
1180          * Now contruct the smb_open_mode value from the desired access
1181          * and the share access.
1182          */
1183
1184         if((smb_open_mode = map_share_mode( fname, create_options, &desired_access,
1185                                                 share_access, file_attributes)) == -1)
1186                 return ERROR_DOS(ERRDOS,ERRnoaccess);
1187
1188         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1189         oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1190
1191         /*
1192          * Check if POSIX semantics are wanted.
1193          */
1194
1195         set_posix_case_semantics(file_attributes);
1196
1197         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
1198
1199         unix_convert(fname,conn,0,&bad_path,&sbuf);
1200
1201         unixmode = unix_mode(conn,smb_attr | aARCH, fname);
1202
1203         /*
1204          * If it's a request for a directory open, deal with it separately.
1205          */
1206
1207         if(create_options & FILE_DIRECTORY_FILE) {
1208
1209                 /* Can't open a temp directory. IFS kit test. */
1210                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
1211                         END_PROFILE(SMBntcreateX);
1212                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1213                 }
1214
1215                 oplock_request = 0;
1216
1217                 /*
1218                  * We will get a create directory here if the Win32
1219                  * app specified a security descriptor in the
1220                  * CreateDirectory() call.
1221                  */
1222
1223                 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, unixmode, &smb_action);
1224
1225                 if(!fsp) {
1226                         restore_case_semantics(file_attributes);
1227                         set_bad_path_error(errno, bad_path);
1228                         return(UNIXERROR(ERRDOS,ERRnoaccess));
1229                 }
1230
1231         } else {
1232
1233                 /*
1234                  * Ordinary file case.
1235                  */
1236
1237                 fsp = open_file_shared1(conn,fname,&sbuf,desired_access,
1238                                                 smb_open_mode,smb_ofun,unixmode,
1239                                                 oplock_request,&rmode,&smb_action);
1240
1241                 if (!fsp) {
1242
1243                         if(errno == EISDIR) {
1244
1245                                 /*
1246                                  * Fail the open if it was explicitly a non-directory file.
1247                                  */
1248
1249                                 if (create_options & FILE_NON_DIRECTORY_FILE) {
1250                                         restore_case_semantics(file_attributes);
1251                                         SSVAL(outbuf, smb_flg2, SVAL(outbuf,smb_flg2) | FLAGS2_32_BIT_ERROR_CODES);
1252                                         return ERROR_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
1253                                 }
1254
1255                                 oplock_request = 0;
1256                                 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, unixmode, &smb_action);
1257
1258                                 if(!fsp) {
1259                                         restore_case_semantics(file_attributes);
1260                                         set_bad_path_error(errno, bad_path);
1261                                         return(UNIXERROR(ERRDOS,ERRnoaccess));
1262                                 }
1263                         } else {
1264                                 restore_case_semantics(file_attributes);
1265                                 set_bad_path_error(errno, bad_path);
1266                                 return(UNIXERROR(ERRDOS,ERRnoaccess));
1267                         }
1268                 }
1269
1270                 file_len = sbuf.st_size;
1271                 fmode = dos_mode(conn,fname,&sbuf);
1272                 if(fmode == 0)
1273                         fmode = FILE_ATTRIBUTE_NORMAL;
1274
1275                 if (fmode & aDIR) {
1276                         close_file(fsp,False);
1277                         restore_case_semantics(file_attributes);
1278                         return ERROR_DOS(ERRDOS,ERRnoaccess);
1279                 }
1280
1281                 /*
1282                  * If the caller set the extended oplock request bit
1283                  * and we granted one (by whatever means) - set the
1284                  * correct bit for extended oplock reply.
1285                  */
1286
1287                 if (oplock_request && lp_fake_oplocks(SNUM(conn)))
1288                         extended_oplock_granted = True;
1289
1290                 if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
1291                         extended_oplock_granted = True;
1292         }
1293
1294         /*
1295          * Now try and apply the desired SD.
1296          */
1297
1298         if (sd_len && !NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION))) {
1299                 close_file(fsp,False);
1300                 restore_case_semantics(file_attributes);
1301                 return ERROR_NT(nt_status);
1302         }
1303
1304         restore_case_semantics(file_attributes);
1305
1306         /* Save the requested allocation size. */
1307         allocation_size = (SMB_BIG_UINT)IVAL(params,12);
1308 #ifdef LARGE_SMB_OFF_T
1309         allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
1310 #endif
1311         if (allocation_size && (allocation_size > file_len)) {
1312                 fsp->initial_allocation_size = SMB_ROUNDUP(allocation_size,SMB_ROUNDUP_ALLOCATION_SIZE);
1313                 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1314                         close_file(fsp,False);
1315                         END_PROFILE(SMBntcreateX);
1316                         return ERROR_NT(NT_STATUS_DISK_FULL);
1317                 }
1318         } else {
1319                 fsp->initial_allocation_size = SMB_ROUNDUP(((SMB_BIG_UINT)file_len),SMB_ROUNDUP_ALLOCATION_SIZE);
1320         }
1321
1322         /* Realloc the size of parameters and data we will return */
1323         params = Realloc(*ppparams, 69);
1324         if(params == NULL)
1325                 return ERROR_DOS(ERRDOS,ERRnomem);
1326
1327         *ppparams = params;
1328
1329         memset((char *)params,'\0',69);
1330
1331         p = params;
1332         if (extended_oplock_granted)
1333                 SCVAL(p,0, BATCH_OPLOCK_RETURN);
1334         else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type))
1335                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
1336         else
1337                 SCVAL(p,0,NO_OPLOCK_RETURN);
1338
1339         p += 2;
1340         SSVAL(p,0,fsp->fnum);
1341         p += 2;
1342         if ((create_disposition == FILE_SUPERSEDE) && (smb_action == FILE_WAS_OVERWRITTEN))
1343                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1344         else
1345                 SIVAL(p,0,smb_action);
1346         p += 8;
1347
1348         /* Create time. */
1349         c_time = get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1350
1351         if (lp_dos_filetime_resolution(SNUM(conn))) {
1352                 c_time &= ~1;
1353                 sbuf.st_atime &= ~1;
1354                 sbuf.st_mtime &= ~1;
1355                 sbuf.st_mtime &= ~1;
1356         }
1357
1358         put_long_date(p,c_time);
1359         p += 8;
1360         put_long_date(p,sbuf.st_atime); /* access time */
1361         p += 8;
1362         put_long_date(p,sbuf.st_mtime); /* write time */
1363         p += 8;
1364         put_long_date(p,sbuf.st_mtime); /* change time */
1365         p += 8;
1366         SIVAL(p,0,fmode); /* File Attributes. */
1367         p += 4;
1368         SOFF_T(p, 0, get_allocation_size(fsp,&sbuf));
1369         p += 8;
1370         SOFF_T(p,0,file_len);
1371
1372         DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
1373
1374         /* Send the required number of replies */
1375         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
1376
1377         return -1;
1378 }
1379
1380 /****************************************************************************
1381  Reply to a NT CANCEL request.
1382 ****************************************************************************/
1383
1384 int reply_ntcancel(connection_struct *conn,
1385                    char *inbuf,char *outbuf,int length,int bufsize)
1386 {
1387         /*
1388          * Go through and cancel any pending change notifies.
1389          */
1390
1391         int mid = SVAL(inbuf,smb_mid);
1392         START_PROFILE(SMBntcancel);
1393         remove_pending_change_notify_requests_by_mid(mid);
1394         remove_pending_lock_requests_by_mid(mid);
1395
1396         DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", mid));
1397
1398         END_PROFILE(SMBntcancel);
1399         return(-1);
1400 }
1401
1402 /****************************************************************************
1403  Reply to an unsolicited SMBNTtranss - just ignore it!
1404 ****************************************************************************/
1405
1406 int reply_nttranss(connection_struct *conn,
1407                    char *inbuf,char *outbuf,int length,int bufsize)
1408 {
1409         START_PROFILE(SMBnttranss);
1410         DEBUG(4,("Ignoring nttranss of length %d\n",length));
1411         END_PROFILE(SMBnttranss);
1412         return(-1);
1413 }
1414
1415 /****************************************************************************
1416  Reply to a notify change - queue the request and
1417  don't allow a directory to be opened.
1418 ****************************************************************************/
1419
1420 static int call_nt_transact_notify_change(connection_struct *conn,
1421                                    char *inbuf, char *outbuf, int length,
1422                                    int bufsize,
1423                                    char **ppsetup,
1424                                    char **ppparams, char **ppdata)
1425 {
1426         char *setup = *ppsetup;
1427         files_struct *fsp;
1428         uint32 flags;
1429
1430         fsp = file_fsp(setup,4);
1431         flags = IVAL(setup, 0);
1432
1433         DEBUG(3,("call_nt_transact_notify_change\n"));
1434
1435         if(!fsp)
1436                 return ERROR_DOS(ERRDOS,ERRbadfid);
1437
1438         if((!fsp->is_directory) || (conn != fsp->conn))
1439                 return ERROR_DOS(ERRDOS,ERRbadfid);
1440
1441         if (!change_notify_set(inbuf, fsp, conn, flags))
1442                 return(UNIXERROR(ERRDOS,ERRbadfid));
1443
1444         DEBUG(3,("call_nt_transact_notify_change: notify change called on directory \
1445 name = %s\n", fsp->fsp_name ));
1446
1447         return -1;
1448 }
1449
1450 /****************************************************************************
1451  Reply to an NT transact rename command.
1452 ****************************************************************************/
1453
1454 static int call_nt_transact_rename(connection_struct *conn,
1455                                    char *inbuf, char *outbuf, int length,
1456                                    int bufsize,
1457                                    char **ppsetup, char **ppparams, char **ppdata)
1458 {
1459         char *params = *ppparams;
1460         pstring new_name;
1461         files_struct *fsp = file_fsp(params, 0);
1462         BOOL replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
1463         NTSTATUS status;
1464
1465         CHECK_FSP(fsp, conn);
1466         srvstr_pull(inbuf, new_name, params+4, sizeof(new_name), -1, STR_TERMINATE);
1467
1468         status = rename_internals(conn, fsp->fsp_name,
1469                                   new_name, replace_if_exists);
1470         if (!NT_STATUS_IS_OK(status))
1471                 return ERROR_NT(status);
1472
1473         /*
1474          * Rename was successful.
1475          */
1476         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1477
1478         DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
1479                  fsp->fsp_name, new_name));
1480
1481         /*
1482          * Win2k needs a changenotify request response before it will
1483          * update after a rename..
1484          */
1485
1486         process_pending_change_notify_queue((time_t)0);
1487
1488         return -1;
1489 }
1490
1491 /******************************************************************************
1492  Fake up a completely empty SD.
1493 *******************************************************************************/
1494
1495 static size_t get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1496 {
1497         extern DOM_SID global_sid_World;
1498         size_t sd_size;
1499
1500         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1501         if(!*ppsd) {
1502                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1503                 sd_size = 0;
1504         }
1505
1506         return sd_size;
1507 }
1508
1509 /****************************************************************************
1510  Reply to query a security descriptor - currently this is not implemented (it
1511  is planned to be though). Right now it just returns the same thing NT would
1512  when queried on a FAT filesystem. JRA.
1513 ****************************************************************************/
1514
1515 static int call_nt_transact_query_security_desc(connection_struct *conn,
1516                                                 char *inbuf, char *outbuf,
1517                                                 int length, int bufsize,
1518                                                 char **ppsetup, char **ppparams, char **ppdata)
1519 {
1520         uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
1521         char *params = *ppparams;
1522         char *data = *ppdata;
1523         prs_struct pd;
1524         SEC_DESC *psd = NULL;
1525         size_t sd_size;
1526         TALLOC_CTX *mem_ctx;
1527
1528         files_struct *fsp = file_fsp(params,0);
1529
1530         if(!fsp)
1531                 return ERROR_DOS(ERRDOS,ERRbadfid);
1532
1533         DEBUG(3,("call_nt_transact_query_security_desc: file = %s\n", fsp->fsp_name ));
1534
1535         params = Realloc(*ppparams, 4);
1536         if(params == NULL)
1537                 return ERROR_DOS(ERRDOS,ERRnomem);
1538
1539         *ppparams = params;
1540
1541         if ((mem_ctx = talloc_init("call_nt_transact_query_security_desc")) == NULL) {
1542                 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
1543                 return ERROR_DOS(ERRDOS,ERRnomem);
1544         }
1545
1546         /*
1547          * Get the permissions to return.
1548          */
1549
1550         if (!lp_nt_acl_support(SNUM(conn)))
1551                 sd_size = get_null_nt_acl(mem_ctx, &psd);
1552         else
1553                 sd_size = conn->vfs_ops.fget_nt_acl(fsp, fsp->fd, &psd);
1554
1555         if (sd_size == 0) {
1556                 talloc_destroy(mem_ctx);
1557                 return(UNIXERROR(ERRDOS,ERRnoaccess));
1558         }
1559
1560         DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %d.\n",(int)sd_size));
1561
1562         SIVAL(params,0,(uint32)sd_size);
1563
1564         if(max_data_count < sd_size) {
1565
1566                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_BUFFER_TOO_SMALL,
1567                         params, 4, *ppdata, 0);
1568                 talloc_destroy(mem_ctx);
1569                 return -1;
1570         }
1571
1572         /*
1573          * Allocate the data we will point this at.
1574          */
1575
1576         data = Realloc(*ppdata, sd_size);
1577         if(data == NULL) {
1578                 talloc_destroy(mem_ctx);
1579                 return ERROR_DOS(ERRDOS,ERRnomem);
1580         }
1581
1582         *ppdata = data;
1583
1584         memset(data, '\0', sd_size);
1585
1586         /*
1587          * Init the parse struct we will marshall into.
1588          */
1589
1590         prs_init(&pd, 0, mem_ctx, MARSHALL);
1591
1592         /*
1593          * Setup the prs_struct to point at the memory we just
1594          * allocated.
1595          */
1596
1597         prs_give_memory( &pd, data, (uint32)sd_size, False);
1598
1599         /*
1600          * Finally, linearize into the outgoing buffer.
1601          */
1602
1603         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1604                 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
1605 security descriptor.\n"));
1606                 /*
1607                  * Return access denied for want of a better error message..
1608                  */
1609                 talloc_destroy(mem_ctx);
1610                 return(UNIXERROR(ERRDOS,ERRnoaccess));
1611         }
1612
1613         /*
1614          * Now we can delete the security descriptor.
1615          */
1616
1617         talloc_destroy(mem_ctx);
1618
1619         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 4, data, (int)sd_size);
1620         return -1;
1621 }
1622
1623 /****************************************************************************
1624  Reply to set a security descriptor. Map to UNIX perms.
1625 ****************************************************************************/
1626
1627 static int call_nt_transact_set_security_desc(connection_struct *conn,
1628                                                                         char *inbuf, char *outbuf, int length,
1629                                                                         int bufsize, char **ppsetup,
1630                                                                         char **ppparams, char **ppdata)
1631 {
1632         uint32 total_parameter_count = IVAL(inbuf, smb_nts_TotalParameterCount);
1633         char *params= *ppparams;
1634         char *data = *ppdata;
1635         uint32 total_data_count = (uint32)IVAL(inbuf, smb_nts_TotalDataCount);
1636         files_struct *fsp = NULL;
1637         uint32 security_info_sent = 0;
1638         NTSTATUS nt_status;
1639
1640         if(total_parameter_count < 8)
1641                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1642
1643         if((fsp = file_fsp(params,0)) == NULL)
1644                 return ERROR_DOS(ERRDOS,ERRbadfid);
1645
1646         if(!lp_nt_acl_support(SNUM(conn)))
1647                 goto done;
1648
1649         security_info_sent = IVAL(params,4);
1650
1651         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
1652                 (unsigned int)security_info_sent ));
1653
1654         if (total_data_count == 0)
1655                 return ERROR_DOS(ERRDOS, ERRnoaccess);
1656
1657         if (!NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, total_data_count, security_info_sent)))
1658                 return ERROR_NT(nt_status);
1659
1660   done:
1661
1662         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1663         return -1;
1664 }
1665
1666 /****************************************************************************
1667  Reply to NT IOCTL
1668 ****************************************************************************/
1669 static int call_nt_transact_ioctl(connection_struct *conn,
1670                                   char *inbuf, char *outbuf, int length,
1671                                   int bufsize,
1672                                   char **ppsetup, int setup_count,
1673                                   char **ppparams, int parameter_count,
1674                                   char **ppdata, int data_count)
1675 {
1676         unsigned fnum, control;
1677         static BOOL logged_message;
1678
1679         if (setup_count != 8) {
1680                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1681                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1682         }
1683
1684         fnum = SVAL(*ppsetup, 4);
1685         control = IVAL(*ppsetup, 0);
1686
1687         DEBUG(6,("call_nt_transact_ioctl: fnum=%d control=0x%x\n",
1688                  fnum, control));
1689
1690         switch (control) {
1691         case NTIOCTL_SET_SPARSE:
1692                 /* pretend this succeeded - tho strictly we should
1693                    mark the file sparse (if the local fs supports it)
1694                    so we can know if we need to pre-allocate or not */
1695                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1696                 return -1;
1697
1698         default:
1699                 if (!logged_message) {
1700                         logged_message = True; /* Only print this once... */
1701                         DEBUG(3,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
1702                                  control));
1703                 }
1704         }
1705
1706         return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1707 }
1708
1709 /****************************************************************************
1710  Reply to a SMBNTtrans.
1711 ****************************************************************************/
1712
1713 int reply_nttrans(connection_struct *conn,
1714                         char *inbuf,char *outbuf,int length,int bufsize)
1715 {
1716         int  outsize = 0;
1717 #if 0 /* Not used. */
1718         uint16 max_setup_count = CVAL(inbuf, smb_nt_MaxSetupCount);
1719         uint32 max_parameter_count = IVAL(inbuf, smb_nt_MaxParameterCount);
1720         uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
1721 #endif /* Not used. */
1722         uint32 total_parameter_count = IVAL(inbuf, smb_nt_TotalParameterCount);
1723         uint32 total_data_count = IVAL(inbuf, smb_nt_TotalDataCount);
1724         uint32 parameter_count = IVAL(inbuf,smb_nt_ParameterCount);
1725         uint32 parameter_offset = IVAL(inbuf,smb_nt_ParameterOffset);
1726         uint32 data_count = IVAL(inbuf,smb_nt_DataCount);
1727         uint32 data_offset = IVAL(inbuf,smb_nt_DataOffset);
1728         uint16 setup_count = 2*CVAL(inbuf,smb_nt_SetupCount); /* setup count is in *words* */
1729         uint16 function_code = SVAL( inbuf, smb_nt_Function);
1730         char *params = NULL, *data = NULL, *setup = NULL;
1731         uint32 num_params_sofar, num_data_sofar;
1732         START_PROFILE(SMBnttrans);
1733
1734         if(global_oplock_break &&
1735                         ((function_code == NT_TRANSACT_CREATE) ||
1736                          (function_code == NT_TRANSACT_RENAME))) {
1737                 /*
1738                  * Queue this open message as we are the process of an oplock break.
1739                  */
1740
1741                 DEBUG(2,("reply_nttrans: queueing message code 0x%x \
1742 due to being in oplock break state.\n", (unsigned int)function_code ));
1743
1744                 push_oplock_pending_smb_message( inbuf, length);
1745                 END_PROFILE(SMBnttrans);
1746                 return -1;
1747         }
1748
1749         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
1750                 END_PROFILE(SMBnttrans);
1751                 return ERROR_DOS(ERRSRV,ERRaccess);
1752         }
1753
1754         outsize = set_message(outbuf,0,0,True);
1755
1756         /*
1757          * All nttrans messages we handle have smb_wct == 19 + setup_count.
1758          * Ensure this is so as a sanity check.
1759          */
1760
1761         if(CVAL(inbuf, smb_wct) != 19 + (setup_count/2)) {
1762                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
1763                         CVAL(inbuf, smb_wct), 19 + (setup_count/2)));
1764                 END_PROFILE(SMBnttrans);
1765                 return ERROR_DOS(ERRSRV,ERRerror);
1766         }
1767
1768         /* Allocate the space for the setup, the maximum needed parameters and data */
1769
1770         if(setup_count > 0)
1771                 setup = (char *)malloc(setup_count);
1772         if (total_parameter_count > 0)
1773                 params = (char *)malloc(total_parameter_count);
1774         if (total_data_count > 0)
1775                 data = (char *)malloc(total_data_count);
1776
1777         if ((total_parameter_count && !params)  || (total_data_count && !data) ||
1778                                 (setup_count && !setup)) {
1779                 SAFE_FREE(setup);
1780                 SAFE_FREE(params);
1781                 SAFE_FREE(data);
1782                 DEBUG(0,("reply_nttrans : Out of memory\n"));
1783                 END_PROFILE(SMBnttrans);
1784                 return ERROR_DOS(ERRDOS,ERRnomem);
1785         }
1786
1787         /* Copy the param and data bytes sent with this request into the params buffer */
1788         num_params_sofar = parameter_count;
1789         num_data_sofar = data_count;
1790
1791         if (parameter_count > total_parameter_count || data_count > total_data_count)
1792                 exit_server("reply_nttrans: invalid sizes in packet.");
1793
1794         if(setup) {
1795                 memcpy( setup, &inbuf[smb_nt_SetupStart], setup_count);
1796                 DEBUG(10,("reply_nttrans: setup_count = %d\n", setup_count));
1797                 dump_data(10, setup, setup_count);
1798         }
1799         if(params) {
1800                 memcpy( params, smb_base(inbuf) + parameter_offset, parameter_count);
1801                 DEBUG(10,("reply_nttrans: parameter_count = %d\n", parameter_count));
1802                 dump_data(10, params, parameter_count);
1803         }
1804         if(data) {
1805                 memcpy( data, smb_base(inbuf) + data_offset, data_count);
1806                 DEBUG(10,("reply_nttrans: data_count = %d\n",data_count));
1807                 dump_data(10, data, data_count);
1808         }
1809
1810         if(num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
1811                 /* We need to send an interim response then receive the rest
1812                         of the parameter/data bytes */
1813                 outsize = set_message(outbuf,0,0,True);
1814                 if (!send_smb(smbd_server_fd(),outbuf))
1815                         exit_server("reply_nttrans: send_smb failed.");
1816
1817                 while( num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
1818                         BOOL ret;
1819
1820                         ret = receive_next_smb(inbuf,bufsize,SMB_SECONDARY_WAIT);
1821
1822                         if((ret && (CVAL(inbuf, smb_com) != SMBnttranss)) || !ret) {
1823                                 outsize = set_message(outbuf,0,0,True);
1824                                 if(ret) {
1825                                         DEBUG(0,("reply_nttrans: Invalid secondary nttrans packet\n"));
1826                                 } else {
1827                                         DEBUG(0,("reply_nttrans: %s in getting secondary nttrans response.\n",
1828                                                 (smb_read_error == READ_ERROR) ? "error" : "timeout" ));
1829                                 }
1830                                 SAFE_FREE(params);
1831                                 SAFE_FREE(data);
1832                                 SAFE_FREE(setup);
1833                                 END_PROFILE(SMBnttrans);
1834                                 return ERROR_DOS(ERRSRV,ERRerror);
1835                         }
1836
1837                         /* Revise total_params and total_data in case they have changed downwards */
1838                         total_parameter_count = IVAL(inbuf, smb_nts_TotalParameterCount);
1839                         total_data_count = IVAL(inbuf, smb_nts_TotalDataCount);
1840                         num_params_sofar += (parameter_count = IVAL(inbuf,smb_nts_ParameterCount));
1841                         num_data_sofar += ( data_count = IVAL(inbuf, smb_nts_DataCount));
1842                         if (num_params_sofar > total_parameter_count || num_data_sofar > total_data_count)
1843                                 exit_server("reply_nttrans2: data overflow in secondary nttrans packet");
1844
1845                         memcpy( &params[ IVAL(inbuf, smb_nts_ParameterDisplacement)],
1846                                 smb_base(inbuf) + IVAL(inbuf, smb_nts_ParameterOffset), parameter_count);
1847                         memcpy( &data[IVAL(inbuf, smb_nts_DataDisplacement)],
1848                                 smb_base(inbuf)+ IVAL(inbuf, smb_nts_DataOffset), data_count);
1849                 }
1850         }
1851
1852         if (Protocol >= PROTOCOL_NT1)
1853                 SSVAL(outbuf,smb_flg2,SVAL(outbuf,smb_flg2) | FLAGS2_IS_LONG_NAME);
1854
1855         /* Now we must call the relevant NT_TRANS function */
1856         switch(function_code) {
1857                 case NT_TRANSACT_CREATE:
1858                         START_PROFILE_NESTED(NT_transact_create);
1859                         outsize = call_nt_transact_create(conn, inbuf, outbuf,
1860                                         length, bufsize,
1861                                         &setup, &params, &data);
1862                         END_PROFILE_NESTED(NT_transact_create);
1863                         break;
1864                 case NT_TRANSACT_IOCTL:
1865                         START_PROFILE_NESTED(NT_transact_ioctl);
1866                         outsize = call_nt_transact_ioctl(conn, inbuf, outbuf,
1867                                                          length, bufsize,
1868                                                          &setup, setup_count,
1869                                                          &params, parameter_count,
1870                                                          &data, data_count);
1871                         END_PROFILE_NESTED(NT_transact_ioctl);
1872                         break;
1873                 case NT_TRANSACT_SET_SECURITY_DESC:
1874                         START_PROFILE_NESTED(NT_transact_set_security_desc);
1875                         outsize = call_nt_transact_set_security_desc(conn, inbuf, outbuf,
1876                                         length, bufsize,
1877                                         &setup, &params, &data);
1878                         END_PROFILE_NESTED(NT_transact_set_security_desc);
1879                         break;
1880                 case NT_TRANSACT_NOTIFY_CHANGE:
1881                         START_PROFILE_NESTED(NT_transact_notify_change);
1882                         outsize = call_nt_transact_notify_change(conn, inbuf, outbuf,
1883                                         length, bufsize,
1884                                         &setup, &params, &data);
1885                         END_PROFILE_NESTED(NT_transact_notify_change);
1886                         break;
1887                 case NT_TRANSACT_RENAME:
1888                         START_PROFILE_NESTED(NT_transact_rename);
1889                         outsize = call_nt_transact_rename(conn, inbuf, outbuf,
1890                                         length, bufsize,
1891                                         &setup, &params, &data);
1892                         END_PROFILE_NESTED(NT_transact_rename);
1893                         break;
1894
1895                 case NT_TRANSACT_QUERY_SECURITY_DESC:
1896                         START_PROFILE_NESTED(NT_transact_query_security_desc);
1897                         outsize = call_nt_transact_query_security_desc(conn, inbuf, outbuf,
1898                                         length, bufsize,
1899                                         &setup, &params, &data);
1900                         END_PROFILE_NESTED(NT_transact_query_security_desc);
1901                         break;
1902                 default:
1903                         /* Error in request */
1904                         DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n", function_code));
1905                         SAFE_FREE(setup);
1906                         SAFE_FREE(params);
1907                         SAFE_FREE(data);
1908                         END_PROFILE(SMBnttrans);
1909                         return ERROR_DOS(ERRSRV,ERRerror);
1910         }
1911
1912         /* As we do not know how many data packets will need to be
1913                 returned here the various call_nt_transact_xxxx calls
1914                 must send their own. Thus a call_nt_transact_xxxx routine only
1915                 returns a value other than -1 when it wants to send
1916                 an error packet.
1917         */
1918
1919         SAFE_FREE(setup);
1920         SAFE_FREE(params);
1921         SAFE_FREE(data);
1922         END_PROFILE(SMBnttrans);
1923         return outsize; /* If a correct response was needed the call_nt_transact_xxxx
1924                                 calls have already sent it. If outsize != -1 then it is
1925                                 returning an error packet. */
1926 }