source3/smbd/nttrans.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    SMB NT transaction handling
   4    Copyright (C) Jeremy Allison                 1994-1998
   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 2 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, write to the Free Software
  19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21
  22 #include "includes.h"
  23
  24 extern enum protocol_types Protocol;
  25 extern int smb_read_error;
  26 extern int global_oplock_break;
  27 extern struct current_user current_user;
  28
  29 static const char *known_nt_pipes[] = {
  30         "\\LANMAN",
  31         "\\srvsvc",
  32         "\\samr",
  33         "\\wkssvc",
  34         "\\NETLOGON",
  35         "\\ntlsa",
  36         "\\ntsvcs",
  37         "\\lsass",
  38         "\\lsarpc",
  39         "\\winreg",
  40         "\\spoolss",
  41         "\\netdfs",
  42         "\\rpcecho",
  43         "\\svcctl",
  44         "\\eventlog",
  45         NULL
  46 };
  47
  48 /* Map generic permissions to file object specific permissions */
  49
  50 struct generic_mapping file_generic_mapping = {
  51         FILE_GENERIC_READ,
  52         FILE_GENERIC_WRITE,
  53         FILE_GENERIC_EXECUTE,
  54         FILE_GENERIC_ALL
  55 };
  56
  57 static char *nttrans_realloc(char **ptr, size_t size)
  58 {
  59         char *tptr = NULL;
  60         if (ptr==NULL)
  61                 smb_panic("nttrans_realloc() called with NULL ptr\n");
  62
  63         tptr = SMB_REALLOC(*ptr, size);
  64         if(tptr == NULL) {
  65                 *ptr = NULL;
  66                 return NULL;
  67         }
  68         memset(tptr,'\0',size);
  69
  70         *ptr = tptr;
  71
  72         return tptr;
  73 }
  74
  75
  76 /****************************************************************************
  77  Send the required number of replies back.
  78  We assume all fields other than the data fields are
  79  set correctly for the type of call.
  80  HACK ! Always assumes smb_setup field is zero.
  81 ****************************************************************************/
  82
  83 static int send_nt_replies(char *inbuf, char *outbuf, int bufsize, NTSTATUS nt_error, char *params,
  84                            int paramsize, char *pdata, int datasize)
  85 {
  86         extern int max_send;
  87         int data_to_send = datasize;
  88         int params_to_send = paramsize;
  89         int useable_space;
  90         char *pp = params;
  91         char *pd = pdata;
  92         int params_sent_thistime, data_sent_thistime, total_sent_thistime;
  93         int alignment_offset = 3;
  94         int data_alignment_offset = 0;
  95
  96         /*
  97          * Initially set the wcnt area to be 18 - this is true for all
  98          * transNT replies.
  99          */
 100
 101         set_message(outbuf,18,0,True);
 102
 103         if (NT_STATUS_V(nt_error))
 104                 ERROR_NT(nt_error);
 105
 106         /*
 107          * If there genuinely are no parameters or data to send just send
 108          * the empty packet.
 109          */
 110
 111         if(params_to_send == 0 && data_to_send == 0) {
 112                 if (!send_smb(smbd_server_fd(),outbuf))
 113                         exit_server("send_nt_replies: send_smb failed.");
 114                 return 0;
 115         }
 116
 117         /*
 118          * When sending params and data ensure that both are nicely aligned.
 119          * Only do this alignment when there is also data to send - else
 120          * can cause NT redirector problems.
 121          */
 122
 123         if (((params_to_send % 4) != 0) && (data_to_send != 0))
 124                 data_alignment_offset = 4 - (params_to_send % 4);
 125
 126         /*
 127          * Space is bufsize minus Netbios over TCP header minus SMB header.
 128          * The alignment_offset is to align the param bytes on a four byte
 129          * boundary (2 bytes for data len, one byte pad).
 130          * NT needs this to work correctly.
 131          */
 132
 133         useable_space = bufsize - ((smb_buf(outbuf)+
 134                                 alignment_offset+data_alignment_offset) -
 135                                 outbuf);
 136
 137         /*
 138          * useable_space can never be more than max_send minus the
 139          * alignment offset.
 140          */
 141
 142         useable_space = MIN(useable_space,
 143                                 max_send - (alignment_offset+data_alignment_offset));
 144
 145
 146         while (params_to_send || data_to_send) {
 147
 148                 /*
 149                  * Calculate whether we will totally or partially fill this packet.
 150                  */
 151
 152                 total_sent_thistime = params_to_send + data_to_send +
 153                                         alignment_offset + data_alignment_offset;
 154
 155                 /*
 156                  * We can never send more than useable_space.
 157                  */
 158
 159                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
 160
 161                 set_message(outbuf, 18, total_sent_thistime, True);
 162
 163                 /*
 164                  * Set total params and data to be sent.
 165                  */
 166
 167                 SIVAL(outbuf,smb_ntr_TotalParameterCount,paramsize);
 168                 SIVAL(outbuf,smb_ntr_TotalDataCount,datasize);
 169
 170                 /*
 171                  * Calculate how many parameters and data we can fit into
 172                  * this packet. Parameters get precedence.
 173                  */
 174
 175                 params_sent_thistime = MIN(params_to_send,useable_space);
 176                 data_sent_thistime = useable_space - params_sent_thistime;
 177                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
 178
 179                 SIVAL(outbuf,smb_ntr_ParameterCount,params_sent_thistime);
 180
 181                 if(params_sent_thistime == 0) {
 182                         SIVAL(outbuf,smb_ntr_ParameterOffset,0);
 183                         SIVAL(outbuf,smb_ntr_ParameterDisplacement,0);
 184                 } else {
 185                         /*
 186                          * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
 187                          * parameter bytes, however the first 4 bytes of outbuf are
 188                          * the Netbios over TCP header. Thus use smb_base() to subtract
 189                          * them from the calculation.
 190                          */
 191
 192                         SIVAL(outbuf,smb_ntr_ParameterOffset,
 193                                 ((smb_buf(outbuf)+alignment_offset) - smb_base(outbuf)));
 194                         /*
 195                          * Absolute displacement of param bytes sent in this packet.
 196                          */
 197
 198                         SIVAL(outbuf,smb_ntr_ParameterDisplacement,pp - params);
 199                 }
 200
 201                 /*
 202                  * Deal with the data portion.
 203                  */
 204
 205                 SIVAL(outbuf,smb_ntr_DataCount, data_sent_thistime);
 206
 207                 if(data_sent_thistime == 0) {
 208                         SIVAL(outbuf,smb_ntr_DataOffset,0);
 209                         SIVAL(outbuf,smb_ntr_DataDisplacement, 0);
 210                 } else {
 211                         /*
 212                          * The offset of the data bytes is the offset of the
 213                          * parameter bytes plus the number of parameters being sent this time.
 214                          */
 215
 216                         SIVAL(outbuf,smb_ntr_DataOffset,((smb_buf(outbuf)+alignment_offset) -
 217                                 smb_base(outbuf)) + params_sent_thistime + data_alignment_offset);
 218                                 SIVAL(outbuf,smb_ntr_DataDisplacement, pd - pdata);
 219                 }
 220
 221                 /*
 222                  * Copy the param bytes into the packet.
 223                  */
 224
 225                 if(params_sent_thistime)
 226                         memcpy((smb_buf(outbuf)+alignment_offset),pp,params_sent_thistime);
 227
 228                 /*
 229                  * Copy in the data bytes
 230                  */
 231
 232                 if(data_sent_thistime)
 233                         memcpy(smb_buf(outbuf)+alignment_offset+params_sent_thistime+
 234                                 data_alignment_offset,pd,data_sent_thistime);
 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                 /* Send the packet */
 242                 if (!send_smb(smbd_server_fd(),outbuf))
 243                         exit_server("send_nt_replies: send_smb failed.");
 244
 245                 pp += params_sent_thistime;
 246                 pd += data_sent_thistime;
 247
 248                 params_to_send -= params_sent_thistime;
 249                 data_to_send -= data_sent_thistime;
 250
 251                 /*
 252                  * Sanity check
 253                  */
 254
 255                 if(params_to_send < 0 || data_to_send < 0) {
 256                         DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
 257                                 params_to_send, data_to_send));
 258                         return -1;
 259                 }
 260         }
 261
 262         return 0;
 263 }
 264
 265 /****************************************************************************
 266  Save case statics.
 267 ****************************************************************************/
 268
 269 static BOOL saved_case_sensitive;
 270 static BOOL saved_case_preserve;
 271 static BOOL saved_short_case_preserve;
 272
 273 /****************************************************************************
 274  Save case semantics.
 275 ****************************************************************************/
 276
 277 static void set_posix_case_semantics(connection_struct *conn, uint32 file_attributes)
 278 {
 279         if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS))
 280                 return;
 281
 282         saved_case_sensitive = conn->case_sensitive;
 283         saved_case_preserve = conn->case_preserve;
 284         saved_short_case_preserve = conn->short_case_preserve;
 285
 286         /* Set to POSIX. */
 287         conn->case_sensitive = True;
 288         conn->case_preserve = True;
 289         conn->short_case_preserve = True;
 290 }
 291
 292 /****************************************************************************
 293  Restore case semantics.
 294 ****************************************************************************/
 295
 296 static void restore_case_semantics(connection_struct *conn, uint32 file_attributes)
 297 {
 298         if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS))
 299                 return;
 300
 301         conn->case_sensitive = saved_case_sensitive;
 302         conn->case_preserve = saved_case_preserve;
 303         conn->short_case_preserve = saved_short_case_preserve;
 304 }
 305
 306 /****************************************************************************
 307  Utility function to map create disposition.
 308 ****************************************************************************/
 309
 310 static int map_create_disposition( uint32 create_disposition)
 311 {
 312         int ret;
 313
 314         switch( create_disposition ) {
 315                 case FILE_CREATE:
 316                         /* create if not exist, fail if exist */
 317                         ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_FAIL);
 318                         break;
 319                 case FILE_SUPERSEDE:
 320                 case FILE_OVERWRITE_IF:
 321                         /* create if not exist, trunc if exist */
 322                         ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE);
 323                         break;
 324                 case FILE_OPEN:
 325                         /* fail if not exist, open if exists */
 326                         ret = (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN);
 327                         break;
 328                 case FILE_OPEN_IF:
 329                         /* create if not exist, open if exists */
 330                         ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_OPEN);
 331                         break;
 332                 case FILE_OVERWRITE:
 333                         /* fail if not exist, truncate if exists */
 334                         ret = (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE);
 335                         break;
 336                 default:
 337                         DEBUG(0,("map_create_disposition: Incorrect value for create_disposition = %d\n",
 338                                 create_disposition ));
 339                         return -1;
 340         }
 341
 342         DEBUG(10,("map_create_disposition: Mapped create_disposition 0x%lx to 0x%x\n",
 343                         (unsigned long)create_disposition, ret ));
 344
 345         return ret;
 346 }
 347
 348 /****************************************************************************
 349  Utility function to map share modes.
 350 ****************************************************************************/
 351
 352 static int map_share_mode( char *fname, uint32 create_options,
 353                         uint32 *desired_access, uint32 share_access, uint32 file_attributes)
 354 {
 355         int smb_open_mode = -1;
 356         uint32 original_desired_access = *desired_access;
 357
 358         /* This is a nasty hack - must fix... JRA. */
 359         if (*desired_access == MAXIMUM_ALLOWED_ACCESS) {
 360                 *desired_access = FILE_GENERIC_ALL;
 361         }
 362
 363         /*
 364          * Convert GENERIC bits to specific bits.
 365          */
 366
 367         se_map_generic(desired_access, &file_generic_mapping);
 368
 369         switch( *desired_access & (FILE_READ_DATA|FILE_WRITE_DATA|FILE_APPEND_DATA) ) {
 370                 case FILE_READ_DATA:
 371                         smb_open_mode = DOS_OPEN_RDONLY;
 372                         break;
 373                 case FILE_WRITE_DATA:
 374                 case FILE_APPEND_DATA:
 375                 case FILE_WRITE_DATA|FILE_APPEND_DATA:
 376                         smb_open_mode = DOS_OPEN_WRONLY;
 377                         break;
 378                 case FILE_READ_DATA|FILE_WRITE_DATA:
 379                 case FILE_READ_DATA|FILE_WRITE_DATA|FILE_APPEND_DATA:
 380                 case FILE_READ_DATA|FILE_APPEND_DATA:
 381                         smb_open_mode = DOS_OPEN_RDWR;
 382                         break;
 383         }
 384
 385         /*
 386          * NB. For DELETE_ACCESS we should really check the
 387          * directory permissions, as that is what controls
 388          * delete, and for WRITE_DAC_ACCESS we should really
 389          * check the ownership, as that is what controls the
 390          * chmod. Note that this is *NOT* a security hole (this
 391          * note is for you, Andrew) as we are not *allowing*
 392          * the access at this point, the actual unlink or
 393          * chown or chmod call would do this. We are just helping
 394          * clients out by telling them if they have a hope
 395          * of any of this succeeding. POSIX acls may still
 396          * deny the real call. JRA.
 397          */
 398
 399         if (smb_open_mode == -1) {
 400
 401                 if(*desired_access & (DELETE_ACCESS|WRITE_DAC_ACCESS|WRITE_OWNER_ACCESS|SYNCHRONIZE_ACCESS|
 402                                         FILE_EXECUTE|FILE_READ_ATTRIBUTES|
 403                                         FILE_READ_EA|FILE_WRITE_EA|SYSTEM_SECURITY_ACCESS|
 404                                         FILE_WRITE_ATTRIBUTES|READ_CONTROL_ACCESS)) {
 405                         smb_open_mode = DOS_OPEN_RDONLY;
 406                 } else if(*desired_access == 0) {
 407
 408                         /*
 409                          * JRA - NT seems to sometimes send desired_access as zero. play it safe
 410                          * and map to a stat open.
 411                          */
 412
 413                         smb_open_mode = DOS_OPEN_RDONLY;
 414
 415                 } else {
 416                         DEBUG(0,("map_share_mode: Incorrect value 0x%lx for desired_access to file %s\n",
 417                                 (unsigned long)*desired_access, fname));
 418                         return -1;
 419                 }
 420         }
 421
 422         /*
 423          * Set the special bit that means allow share delete.
 424          * This is held outside the normal share mode bits at 1<<15.
 425          * JRA.
 426          */
 427
 428         if(share_access & FILE_SHARE_DELETE) {
 429                 smb_open_mode |= ALLOW_SHARE_DELETE;
 430                 DEBUG(10,("map_share_mode: FILE_SHARE_DELETE requested. open_mode = 0x%x\n", smb_open_mode));
 431         }
 432
 433         if(*desired_access & DELETE_ACCESS) {
 434                 DEBUG(10,("map_share_mode: DELETE_ACCESS requested. open_mode = 0x%x\n", smb_open_mode));
 435         }
 436
 437         /*
 438          * We need to store the intent to open for Delete. This
 439          * is what determines if a delete on close flag can be set.
 440          * This is the wrong way (and place) to store this, but for 2.2 this
 441          * is the only practical way. JRA.
 442          */
 443
 444         if (create_options & FILE_DELETE_ON_CLOSE) {
 445                 /*
 446                  * W2K3 bug compatibility mode... To set delete on close
 447                  * the redirector must have *specifically* set DELETE_ACCESS
 448                  * in the desired_access field. Just asking for GENERIC_ALL won't do. JRA.
 449                  */
 450
 451                 if (!(original_desired_access & DELETE_ACCESS)) {
 452                         DEBUG(5,("map_share_mode: FILE_DELETE_ON_CLOSE requested without \
 453 DELETE_ACCESS for file %s. (desired_access = 0x%lx)\n",
 454                                 fname, (unsigned long)*desired_access));
 455                         return -1;
 456                 }
 457                 /* Implicit delete access is *NOT* requested... */
 458                 smb_open_mode |= DELETE_ON_CLOSE_FLAG;
 459                 DEBUG(10,("map_share_mode: FILE_DELETE_ON_CLOSE requested. open_mode = 0x%x\n", smb_open_mode));
 460         }
 461
 462         /* Add in the requested share mode. */
 463         switch( share_access & (FILE_SHARE_READ|FILE_SHARE_WRITE)) {
 464                 case FILE_SHARE_READ:
 465                         smb_open_mode |= SET_DENY_MODE(DENY_WRITE);
 466                         break;
 467                 case FILE_SHARE_WRITE:
 468                         smb_open_mode |= SET_DENY_MODE(DENY_READ);
 469                         break;
 470                 case (FILE_SHARE_READ|FILE_SHARE_WRITE):
 471                         smb_open_mode |= SET_DENY_MODE(DENY_NONE);
 472                         break;
 473                 case FILE_SHARE_NONE:
 474                         smb_open_mode |= SET_DENY_MODE(DENY_ALL);
 475                         break;
 476         }
 477
 478         /*
 479          * Handle an O_SYNC request.
 480          */
 481
 482         if(file_attributes & FILE_FLAG_WRITE_THROUGH)
 483                 smb_open_mode |= FILE_SYNC_OPENMODE;
 484
 485         DEBUG(10,("map_share_mode: Mapped desired access 0x%lx, share access 0x%lx, file attributes 0x%lx \
 486 to open_mode 0x%x\n", (unsigned long)*desired_access, (unsigned long)share_access,
 487                 (unsigned long)file_attributes, smb_open_mode ));
 488
 489         return smb_open_mode;
 490 }
 491
 492 /****************************************************************************
 493  Reply to an NT create and X call on a pipe.
 494 ****************************************************************************/
 495
 496 static int nt_open_pipe(char *fname, connection_struct *conn,
 497                         char *inbuf, char *outbuf, int *ppnum)
 498 {
 499         smb_np_struct *p = NULL;
 500
 501         uint16 vuid = SVAL(inbuf, smb_uid);
 502         int i;
 503
 504         DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
 505
 506         /* See if it is one we want to handle. */
 507
 508         if (lp_disable_spoolss() && strequal(fname, "\\spoolss"))
 509                 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
 510
 511         for( i = 0; known_nt_pipes[i]; i++ )
 512                 if( strequal(fname,known_nt_pipes[i]))
 513                         break;
 514
 515         if ( known_nt_pipes[i] == NULL )
 516                 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
 517
 518         /* Strip \\ off the name. */
 519         fname++;
 520
 521         DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
 522
 523         p = open_rpc_pipe_p(fname, conn, vuid);
 524         if (!p)
 525                 return(ERROR_DOS(ERRSRV,ERRnofids));
 526
 527         *ppnum = p->pnum;
 528
 529         return 0;
 530 }
 531
 532 /****************************************************************************
 533  Reply to an NT create and X call for pipes.
 534 ****************************************************************************/
 535
 536 static int do_ntcreate_pipe_open(connection_struct *conn,
 537                          char *inbuf,char *outbuf,int length,int bufsize)
 538 {
 539         pstring fname;
 540         int ret;
 541         int pnum = -1;
 542         char *p = NULL;
 543
 544         srvstr_pull_buf(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE);
 545
 546         if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0)
 547                 return ret;
 548
 549         /*
 550          * Deal with pipe return.
 551          */
 552
 553         set_message(outbuf,34,0,True);
 554
 555         p = outbuf + smb_vwv2;
 556         p++;
 557         SSVAL(p,0,pnum);
 558         p += 2;
 559         SIVAL(p,0,FILE_WAS_OPENED);
 560         p += 4;
 561         p += 32;
 562         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 563         p += 20;
 564         /* File type. */
 565         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 566         /* Device state. */
 567         SSVAL(p,2, 0x5FF); /* ? */
 568
 569         DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
 570
 571         return chain_reply(inbuf,outbuf,length,bufsize);
 572 }
 573
 574 /****************************************************************************
 575  Reply to an NT create and X call.
 576 ****************************************************************************/
 577
 578 int reply_ntcreate_and_X(connection_struct *conn,
 579                          char *inbuf,char *outbuf,int length,int bufsize)
 580 {
 581         int result;
 582         pstring fname;
 583         enum FAKE_FILE_TYPE fake_file_type = FAKE_FILE_TYPE_NONE;
 584         uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
 585         uint32 desired_access = IVAL(inbuf,smb_ntcreate_DesiredAccess);
 586         uint32 file_attributes = IVAL(inbuf,smb_ntcreate_FileAttributes);
 587         uint32 share_access = IVAL(inbuf,smb_ntcreate_ShareAccess);
 588         uint32 create_disposition = IVAL(inbuf,smb_ntcreate_CreateDisposition);
 589         uint32 create_options = IVAL(inbuf,smb_ntcreate_CreateOptions);
 590         uint16 root_dir_fid = (uint16)IVAL(inbuf,smb_ntcreate_RootDirectoryFid);
 591         int smb_ofun;
 592         int smb_open_mode;
 593         /* Breakout the oplock request bits so we can set the
 594            reply bits separately. */
 595         int oplock_request = 0;
 596         int fmode=0,rmode=0;
 597         SMB_OFF_T file_len = 0;
 598         SMB_STRUCT_STAT sbuf;
 599         int smb_action = 0;
 600         BOOL bad_path = False;
 601         files_struct *fsp=NULL;
 602         char *p = NULL;
 603         time_t c_time;
 604         BOOL extended_oplock_granted = False;
 605         NTSTATUS status;
 606
 607         START_PROFILE(SMBntcreateX);
 608
 609         DEBUG(10,("reply_ntcreateX: flags = 0x%x, desired_access = 0x%x \
 610 file_attributes = 0x%x, share_access = 0x%x, create_disposition = 0x%x \
 611 create_options = 0x%x root_dir_fid = 0x%x\n", flags, desired_access, file_attributes,
 612                         share_access, create_disposition,
 613                         create_options, root_dir_fid ));
 614
 615         /* If it's an IPC, use the pipe handler. */
 616
 617         if (IS_IPC(conn)) {
 618                 if (lp_nt_pipe_support()) {
 619                         END_PROFILE(SMBntcreateX);
 620                         return do_ntcreate_pipe_open(conn,inbuf,outbuf,length,bufsize);
 621                 } else {
 622                         END_PROFILE(SMBntcreateX);
 623                         return(ERROR_DOS(ERRDOS,ERRnoaccess));
 624                 }
 625         }
 626
 627         if (create_options & FILE_OPEN_BY_FILE_ID) {
 628                 END_PROFILE(SMBntcreateX);
 629                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
 630         }
 631
 632         /*
 633          * We need to construct the open_and_X ofun value from the
 634          * NT values, as that's what our code is structured to accept.
 635          */
 636
 637         if((smb_ofun = map_create_disposition( create_disposition )) == -1) {
 638                 END_PROFILE(SMBntcreateX);
 639                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
 640         }
 641
 642         /*
 643          * Get the file name.
 644          */
 645
 646         if(root_dir_fid != 0) {
 647                 /*
 648                  * This filename is relative to a directory fid.
 649                  */
 650                 pstring rel_fname;
 651                 files_struct *dir_fsp = file_fsp(inbuf,smb_ntcreate_RootDirectoryFid);
 652                 size_t dir_name_len;
 653
 654                 if(!dir_fsp) {
 655                         END_PROFILE(SMBntcreateX);
 656                         return(ERROR_DOS(ERRDOS,ERRbadfid));
 657                 }
 658
 659                 if(!dir_fsp->is_directory) {
 660
 661                         srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status,False);
 662                         if (!NT_STATUS_IS_OK(status)) {
 663                                 END_PROFILE(SMBntcreateX);
 664                                 return ERROR_NT(status);
 665                         }
 666
 667                         /*
 668                          * Check to see if this is a mac fork of some kind.
 669                          */
 670
 671                         if( strchr_m(fname, ':')) {
 672                                 END_PROFILE(SMBntcreateX);
 673                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 674                         }
 675
 676                         /*
 677                           we need to handle the case when we get a
 678                           relative open relative to a file and the
 679                           pathname is blank - this is a reopen!
 680                           (hint from demyn plantenberg)
 681                         */
 682
 683                         END_PROFILE(SMBntcreateX);
 684                         return(ERROR_DOS(ERRDOS,ERRbadfid));
 685                 }
 686
 687                 /*
 688                  * Copy in the base directory name.
 689                  */
 690
 691                 pstrcpy( fname, dir_fsp->fsp_name );
 692                 dir_name_len = strlen(fname);
 693
 694                 /*
 695                  * Ensure it ends in a '\'.
 696                  */
 697
 698                 if(fname[dir_name_len-1] != '\\' && fname[dir_name_len-1] != '/') {
 699                         pstrcat(fname, "/");
 700                         dir_name_len++;
 701                 }
 702
 703                 srvstr_get_path(inbuf, rel_fname, smb_buf(inbuf), sizeof(rel_fname), 0, STR_TERMINATE, &status,False);
 704                 if (!NT_STATUS_IS_OK(status)) {
 705                         END_PROFILE(SMBntcreateX);
 706                         return ERROR_NT(status);
 707                 }
 708                 pstrcat(fname, rel_fname);
 709         } else {
 710                 srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status,False);
 711                 if (!NT_STATUS_IS_OK(status)) {
 712                         END_PROFILE(SMBntcreateX);
 713                         return ERROR_NT(status);
 714                 }
 715
 716                 /*
 717                  * Check to see if this is a mac fork of some kind.
 718                  */
 719
 720                 if( strchr_m(fname, ':')) {
 721
 722 #ifdef HAVE_SYS_QUOTAS
 723                         if ((fake_file_type=is_fake_file(fname))!=FAKE_FILE_TYPE_NONE) {
 724                                 /*
 725                                  * here we go! support for changing the disk quotas --metze
 726                                  *
 727                                  * we need to fake up to open this MAGIC QUOTA file
 728                                  * and return a valid FID
 729                                  *
 730                                  * w2k close this file directly after openening
 731                                  * xp also tries a QUERY_FILE_INFO on the file and then close it
 732                                  */
 733                         } else {
 734 #endif
 735                                 END_PROFILE(SMBntcreateX);
 736                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 737 #ifdef HAVE_SYS_QUOTAS
 738                         }
 739 #endif
 740                 }
 741         }
 742
 743         /*
 744          * Now contruct the smb_open_mode value from the filename,
 745          * desired access and the share access.
 746          */
 747         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
 748
 749         if((smb_open_mode = map_share_mode(fname, create_options, &desired_access,
 750                                            share_access,
 751                                            file_attributes)) == -1) {
 752                 END_PROFILE(SMBntcreateX);
 753                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
 754         }
 755
 756         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 757         if (oplock_request) {
 758                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
 759         }
 760
 761         /*
 762          * Ordinary file or directory.
 763          */
 764
 765         /*
 766          * Check if POSIX semantics are wanted.
 767          */
 768
 769         set_posix_case_semantics(conn, file_attributes);
 770
 771         unix_convert(fname,conn,0,&bad_path,&sbuf);
 772
 773         /* FAKE_FILE is a special case */
 774         if (fake_file_type == FAKE_FILE_TYPE_NONE) {
 775                 /* Normal file. */
 776                 if (bad_path) {
 777                         restore_case_semantics(conn, file_attributes);
 778                         END_PROFILE(SMBntcreateX);
 779                         return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 780                 }
 781                 /* All file access must go through check_name() */
 782                 if (!check_name(fname,conn)) {
 783                         restore_case_semantics(conn, file_attributes);
 784                         END_PROFILE(SMBntcreateX);
 785                         return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRbadpath);
 786                 }
 787         }
 788
 789 #if 0
 790         /* This is the correct thing to do (check every time) but can_delete is
 791            expensive (it may have to read the parent directory permissions). So
 792            for now we're not doing it unless we have a strong hint the client
 793            is really going to delete this file. */
 794         if (desired_access & DELETE_ACCESS) {
 795 #else
 796         /* Setting FILE_SHARE_DELETE is the hint. */
 797         if ((share_access & FILE_SHARE_DELETE) && (desired_access & DELETE_ACCESS)) {
 798 #endif
 799                 status = can_delete(conn, fname, file_attributes, bad_path, True);
 800                 /* We're only going to fail here if it's access denied, as that's the
 801                    only error we care about for "can we delete this ?" questions. */
 802                 if (!NT_STATUS_IS_OK(status) && (NT_STATUS_EQUAL(status,NT_STATUS_ACCESS_DENIED) ||
 803                                                  NT_STATUS_EQUAL(status,NT_STATUS_CANNOT_DELETE))) {
 804                         restore_case_semantics(conn, file_attributes);
 805                         END_PROFILE(SMBntcreateX);
 806                         return ERROR_NT(status);
 807                 }
 808         }
 809
 810         /*
 811          * If it's a request for a directory open, deal with it separately.
 812          */
 813
 814         if(create_options & FILE_DIRECTORY_FILE) {
 815                 oplock_request = 0;
 816
 817                 /* Can't open a temp directory. IFS kit test. */
 818                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
 819                         END_PROFILE(SMBntcreateX);
 820                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
 821                 }
 822
 823                 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, &smb_action);
 824
 825                 restore_case_semantics(conn, file_attributes);
 826
 827                 if(!fsp) {
 828                         END_PROFILE(SMBntcreateX);
 829                         return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
 830                 }
 831         } else {
 832                 /*
 833                  * Ordinary file case.
 834                  */
 835
 836                 /* NB. We have a potential bug here. If we
 837                  * cause an oplock break to ourselves, then we
 838                  * could end up processing filename related
 839                  * SMB requests whilst we await the oplock
 840                  * break response. As we may have changed the
 841                  * filename case semantics to be POSIX-like,
 842                  * this could mean a filename request could
 843                  * fail when it should succeed. This is a rare
 844                  * condition, but eventually we must arrange
 845                  * to restore the correct case semantics
 846                  * before issuing an oplock break request to
 847                  * our client. JRA.  */
 848
 849                 if (fake_file_type==FAKE_FILE_TYPE_NONE) {
 850                         fsp = open_file_shared1(conn,fname,&sbuf,
 851                                         desired_access,
 852                                         smb_open_mode,
 853                                         smb_ofun,file_attributes,oplock_request,
 854                                         &rmode,&smb_action);
 855                 } else {
 856                         /* to open a fake_file --metze */
 857                         fsp = open_fake_file_shared1(fake_file_type,conn,fname,&sbuf,
 858                                         desired_access,
 859                                         smb_open_mode,
 860                                         smb_ofun,file_attributes, oplock_request,
 861                                         &rmode,&smb_action);
 862                 }
 863
 864                 if (!fsp) {
 865                         /* We cheat here. There are two cases we
 866                          * care about. One is a directory rename,
 867                          * where the NT client will attempt to
 868                          * open the source directory for
 869                          * DELETE access. Note that when the
 870                          * NT client does this it does *not*
 871                          * set the directory bit in the
 872                          * request packet. This is translated
 873                          * into a read/write open
 874                          * request. POSIX states that any open
 875                          * for write request on a directory
 876                          * will generate an EISDIR error, so
 877                          * we can catch this here and open a
 878                          * pseudo handle that is flagged as a
 879                          * directory. The second is an open
 880                          * for a permissions read only, which
 881                          * we handle in the open_file_stat case. JRA.
 882                          */
 883
 884                         if(errno == EISDIR) {
 885
 886                                 /*
 887                                  * Fail the open if it was explicitly a non-directory file.
 888                                  */
 889
 890                                 if (create_options & FILE_NON_DIRECTORY_FILE) {
 891                                         restore_case_semantics(conn, file_attributes);
 892                                         END_PROFILE(SMBntcreateX);
 893                                         return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
 894                                 }
 895
 896                                 oplock_request = 0;
 897                                 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, &smb_action);
 898
 899                                 if(!fsp) {
 900                                         restore_case_semantics(conn, file_attributes);
 901                                         END_PROFILE(SMBntcreateX);
 902                                         return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
 903                                 }
 904                         } else {
 905
 906                                 restore_case_semantics(conn, file_attributes);
 907                                 END_PROFILE(SMBntcreateX);
 908                                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
 909                                         /* We have re-scheduled this call. */
 910                                         return -1;
 911                                 }
 912                                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
 913                         }
 914                 }
 915         }
 916
 917         restore_case_semantics(conn, file_attributes);
 918
 919         file_len = sbuf.st_size;
 920         fmode = dos_mode(conn,fname,&sbuf);
 921         if(fmode == 0) {
 922                 fmode = FILE_ATTRIBUTE_NORMAL;
 923         }
 924         if (!fsp->is_directory && (fmode & aDIR)) {
 925                 close_file(fsp,False);
 926                 END_PROFILE(SMBntcreateX);
 927                 return ERROR_DOS(ERRDOS,ERRnoaccess);
 928         }
 929
 930         /* Save the requested allocation size. */
 931         if ((smb_action == FILE_WAS_CREATED) || (smb_action == FILE_WAS_OVERWRITTEN)) {
 932                 SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize);
 933 #ifdef LARGE_SMB_OFF_T
 934                 allocation_size |= (((SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
 935 #endif
 936                 if (allocation_size && (allocation_size > (SMB_BIG_UINT)file_len)) {
 937                         fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
 938                         if (fsp->is_directory) {
 939                                 close_file(fsp,False);
 940                                 END_PROFILE(SMBntcreateX);
 941                                 /* Can't set allocation size on a directory. */
 942                                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
 943                         }
 944                         if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
 945                                 close_file(fsp,False);
 946                                 END_PROFILE(SMBntcreateX);
 947                                 return ERROR_NT(NT_STATUS_DISK_FULL);
 948                         }
 949                 } else {
 950                         fsp->initial_allocation_size = smb_roundup(fsp->conn,(SMB_BIG_UINT)file_len);
 951                 }
 952         }
 953
 954         /*
 955          * If the caller set the extended oplock request bit
 956          * and we granted one (by whatever means) - set the
 957          * correct bit for extended oplock reply.
 958          */
 959
 960         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
 961                 extended_oplock_granted = True;
 962         }
 963
 964         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
 965                 extended_oplock_granted = True;
 966         }
 967
 968 #if 0
 969         /* W2K sends back 42 words here ! If we do the same it breaks offline sync. Go figure... ? JRA. */
 970         set_message(outbuf,42,0,True);
 971 #else
 972         set_message(outbuf,34,0,True);
 973 #endif
 974
 975         p = outbuf + smb_vwv2;
 976
 977         /*
 978          * Currently as we don't support level II oplocks we just report
 979          * exclusive & batch here.
 980          */
 981
 982         if (extended_oplock_granted) {
 983                 if (flags & REQUEST_BATCH_OPLOCK) {
 984                         SCVAL(p,0, BATCH_OPLOCK_RETURN);
 985                 } else {
 986                         SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
 987                 }
 988         } else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type)) {
 989                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
 990         } else {
 991                 SCVAL(p,0,NO_OPLOCK_RETURN);
 992         }
 993
 994         p++;
 995         SSVAL(p,0,fsp->fnum);
 996         p += 2;
 997         if ((create_disposition == FILE_SUPERSEDE) && (smb_action == FILE_WAS_OVERWRITTEN))
 998                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
 999         else
1000                 SIVAL(p,0,smb_action);
1001         p += 4;
1002
1003         /* Create time. */
1004         c_time = get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1005
1006         if (lp_dos_filetime_resolution(SNUM(conn))) {
1007                 c_time &= ~1;
1008                 sbuf.st_atime &= ~1;
1009                 sbuf.st_mtime &= ~1;
1010                 sbuf.st_mtime &= ~1;
1011         }
1012
1013         put_long_date(p,c_time);
1014         p += 8;
1015         put_long_date(p,sbuf.st_atime); /* access time */
1016         p += 8;
1017         put_long_date(p,sbuf.st_mtime); /* write time */
1018         p += 8;
1019         put_long_date(p,sbuf.st_mtime); /* change time */
1020         p += 8;
1021         SIVAL(p,0,fmode); /* File Attributes. */
1022         p += 4;
1023         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1024         p += 8;
1025         SOFF_T(p,0,file_len);
1026         p += 8;
1027         if (flags & EXTENDED_RESPONSE_REQUIRED)
1028                 SSVAL(p,2,0x7);
1029         p += 4;
1030         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1031
1032         DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
1033
1034         result = chain_reply(inbuf,outbuf,length,bufsize);
1035         END_PROFILE(SMBntcreateX);
1036         return result;
1037 }
1038
1039 /****************************************************************************
1040  Reply to a NT_TRANSACT_CREATE call to open a pipe.
1041 ****************************************************************************/
1042
1043 static int do_nt_transact_create_pipe( connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1044                                   char **ppsetup, uint32 setup_count,
1045                                   char **ppparams, uint32 parameter_count,
1046                                   char **ppdata, uint32 data_count)
1047 {
1048         pstring fname;
1049         char *params = *ppparams;
1050         int ret;
1051         int pnum = -1;
1052         char *p = NULL;
1053         NTSTATUS status;
1054
1055         /*
1056          * Ensure minimum number of parameters sent.
1057          */
1058
1059         if(parameter_count < 54) {
1060                 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1061                 return ERROR_DOS(ERRDOS,ERRnoaccess);
1062         }
1063
1064         srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status, False);
1065         if (!NT_STATUS_IS_OK(status)) {
1066                 return ERROR_NT(status);
1067         }
1068
1069         if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0)
1070                 return ret;
1071
1072         /* Realloc the size of parameters and data we will return */
1073         params = nttrans_realloc(ppparams, 69);
1074         if(params == NULL)
1075                 return ERROR_DOS(ERRDOS,ERRnomem);
1076
1077         p = params;
1078         SCVAL(p,0,NO_OPLOCK_RETURN);
1079
1080         p += 2;
1081         SSVAL(p,0,pnum);
1082         p += 2;
1083         SIVAL(p,0,FILE_WAS_OPENED);
1084         p += 8;
1085
1086         p += 32;
1087         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
1088         p += 20;
1089         /* File type. */
1090         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
1091         /* Device state. */
1092         SSVAL(p,2, 0x5FF); /* ? */
1093
1094         DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
1095
1096         /* Send the required number of replies */
1097         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
1098
1099         return -1;
1100 }
1101
1102 /****************************************************************************
1103  Internal fn to set security descriptors.
1104 ****************************************************************************/
1105
1106 static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent)
1107 {
1108         prs_struct pd;
1109         SEC_DESC *psd = NULL;
1110         TALLOC_CTX *mem_ctx;
1111         BOOL ret;
1112
1113         if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
1114                 return NT_STATUS_OK;
1115         }
1116
1117         /*
1118          * Init the parse struct we will unmarshall from.
1119          */
1120
1121         if ((mem_ctx = talloc_init("set_sd")) == NULL) {
1122                 DEBUG(0,("set_sd: talloc_init failed.\n"));
1123                 return NT_STATUS_NO_MEMORY;
1124         }
1125
1126         prs_init(&pd, 0, mem_ctx, UNMARSHALL);
1127
1128         /*
1129          * Setup the prs_struct to point at the memory we just
1130          * allocated.
1131          */
1132
1133         prs_give_memory( &pd, data, sd_len, False);
1134
1135         /*
1136          * Finally, unmarshall from the data buffer.
1137          */
1138
1139         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1140                 DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
1141                 /*
1142                  * Return access denied for want of a better error message..
1143                  */
1144                 talloc_destroy(mem_ctx);
1145                 return NT_STATUS_NO_MEMORY;
1146         }
1147
1148         if (psd->off_owner_sid==0)
1149                 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
1150         if (psd->off_grp_sid==0)
1151                 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
1152         if (psd->off_sacl==0)
1153                 security_info_sent &= ~SACL_SECURITY_INFORMATION;
1154         if (psd->off_dacl==0)
1155                 security_info_sent &= ~DACL_SECURITY_INFORMATION;
1156
1157         ret = SMB_VFS_FSET_NT_ACL( fsp, fsp->fd, security_info_sent, psd);
1158
1159         if (!ret) {
1160                 talloc_destroy(mem_ctx);
1161                 return NT_STATUS_ACCESS_DENIED;
1162         }
1163
1164         talloc_destroy(mem_ctx);
1165
1166         return NT_STATUS_OK;
1167 }
1168
1169 /****************************************************************************
1170  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
1171 ****************************************************************************/
1172
1173 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
1174 {
1175         struct ea_list *ea_list_head = NULL;
1176         size_t offset = 0;
1177
1178         if (data_size < 4) {
1179                 return NULL;
1180         }
1181
1182         while (offset + 4 <= data_size) {
1183                 size_t next_offset = IVAL(pdata,offset);
1184                 struct ea_list *tmp;
1185                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
1186
1187                 DLIST_ADD_END(ea_list_head, eal, tmp);
1188                 if (next_offset == 0) {
1189                         break;
1190                 }
1191                 offset += next_offset;
1192         }
1193
1194         return ea_list_head;
1195 }
1196
1197 /****************************************************************************
1198  Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1199 ****************************************************************************/
1200
1201 static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1202                                   char **ppsetup, uint32 setup_count,
1203                                   char **ppparams, uint32 parameter_count,
1204                                   char **ppdata, uint32 data_count, uint32 max_data_count)
1205 {
1206         pstring fname;
1207         char *params = *ppparams;
1208         char *data = *ppdata;
1209         /* Breakout the oplock request bits so we can set the reply bits separately. */
1210         int oplock_request = 0;
1211         int fmode=0,rmode=0;
1212         SMB_OFF_T file_len = 0;
1213         SMB_STRUCT_STAT sbuf;
1214         int smb_action = 0;
1215         BOOL bad_path = False;
1216         files_struct *fsp = NULL;
1217         char *p = NULL;
1218         BOOL extended_oplock_granted = False;
1219         uint32 flags;
1220         uint32 desired_access;
1221         uint32 file_attributes;
1222         uint32 share_access;
1223         uint32 create_disposition;
1224         uint32 create_options;
1225         uint32 sd_len;
1226         uint32 ea_len;
1227         uint16 root_dir_fid;
1228         int smb_ofun;
1229         int smb_open_mode;
1230         time_t c_time;
1231         struct ea_list *ea_list = NULL;
1232         TALLOC_CTX *ctx = NULL;
1233         char *pdata = NULL;
1234         NTSTATUS status;
1235
1236         DEBUG(5,("call_nt_transact_create\n"));
1237
1238         /*
1239          * If it's an IPC, use the pipe handler.
1240          */
1241
1242         if (IS_IPC(conn)) {
1243                 if (lp_nt_pipe_support())
1244                         return do_nt_transact_create_pipe(conn, inbuf, outbuf, length,
1245                                         bufsize,
1246                                         ppsetup, setup_count,
1247                                         ppparams, parameter_count,
1248                                         ppdata, data_count);
1249                 else
1250                         return ERROR_DOS(ERRDOS,ERRnoaccess);
1251         }
1252
1253         /*
1254          * Ensure minimum number of parameters sent.
1255          */
1256
1257         if(parameter_count < 54) {
1258                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1259                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1260         }
1261
1262         flags = IVAL(params,0);
1263         desired_access = IVAL(params,8);
1264         file_attributes = IVAL(params,20);
1265         share_access = IVAL(params,24);
1266         create_disposition = IVAL(params,28);
1267         create_options = IVAL(params,32);
1268         sd_len = IVAL(params,36);
1269         ea_len = IVAL(params,40);
1270         root_dir_fid = (uint16)IVAL(params,4);
1271
1272         /* Ensure the data_len is correct for the sd and ea values given. */
1273         if ((ea_len + sd_len > data_count) ||
1274                         (ea_len > data_count) || (sd_len > data_count) ||
1275                         (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1276                 DEBUG(10,("call_nt_transact_create - ea_len = %u, sd_len = %u, data_count = %u\n",
1277                         (unsigned int)ea_len, (unsigned int)sd_len, (unsigned int)data_count ));
1278                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1279         }
1280
1281         if (ea_len) {
1282                 if (!lp_ea_support(SNUM(conn))) {
1283                         DEBUG(10,("call_nt_transact_create - ea_len = %u but EA's not supported.\n",
1284                                 (unsigned int)ea_len ));
1285                         return ERROR_NT(NT_STATUS_EAS_NOT_SUPPORTED);
1286                 }
1287
1288                 if (ea_len < 10) {
1289                         DEBUG(10,("call_nt_transact_create - ea_len = %u - too small (should be more than 10)\n",
1290                                 (unsigned int)ea_len ));
1291                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1292                 }
1293         }
1294
1295         if (create_options & FILE_OPEN_BY_FILE_ID) {
1296                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1297         }
1298
1299         /*
1300          * We need to construct the open_and_X ofun value from the
1301          * NT values, as that's what our code is structured to accept.
1302          */
1303
1304         if((smb_ofun = map_create_disposition( create_disposition )) == -1) {
1305                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1306         }
1307
1308         /*
1309          * Get the file name.
1310          */
1311
1312         if(root_dir_fid != 0) {
1313                 /*
1314                  * This filename is relative to a directory fid.
1315                  */
1316                 files_struct *dir_fsp = file_fsp(params,4);
1317                 size_t dir_name_len;
1318
1319                 if(!dir_fsp)
1320                         return ERROR_DOS(ERRDOS,ERRbadfid);
1321
1322                 if(!dir_fsp->is_directory) {
1323                         srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status, False);
1324                         if (!NT_STATUS_IS_OK(status)) {
1325                                 return ERROR_NT(status);
1326                         }
1327
1328                         /*
1329                          * Check to see if this is a mac fork of some kind.
1330                          */
1331
1332                         if( strchr_m(fname, ':'))
1333                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1334
1335                         return ERROR_DOS(ERRDOS,ERRbadfid);
1336                 }
1337
1338                 /*
1339                  * Copy in the base directory name.
1340                  */
1341
1342                 pstrcpy( fname, dir_fsp->fsp_name );
1343                 dir_name_len = strlen(fname);
1344
1345                 /*
1346                  * Ensure it ends in a '\'.
1347                  */
1348
1349                 if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
1350                         pstrcat(fname, "/");
1351                         dir_name_len++;
1352                 }
1353
1354                 {
1355                         pstring tmpname;
1356                         srvstr_get_path(inbuf, tmpname, params+53, sizeof(tmpname), parameter_count-53, STR_TERMINATE, &status, False);
1357                         if (!NT_STATUS_IS_OK(status)) {
1358                                 return ERROR_NT(status);
1359                         }
1360                         pstrcat(fname, tmpname);
1361                 }
1362         } else {
1363                 srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status, False);
1364                 if (!NT_STATUS_IS_OK(status)) {
1365                         return ERROR_NT(status);
1366                 }
1367
1368                 /*
1369                  * Check to see if this is a mac fork of some kind.
1370                  */
1371
1372                 if( strchr_m(fname, ':'))
1373                         return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1374         }
1375
1376         /*
1377          * Now contruct the smb_open_mode value from the desired access
1378          * and the share access.
1379          */
1380
1381         if((smb_open_mode = map_share_mode( fname, create_options, &desired_access,
1382                                                 share_access, file_attributes)) == -1)
1383                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1384
1385         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1386         oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1387
1388         /*
1389          * Check if POSIX semantics are wanted.
1390          */
1391
1392         set_posix_case_semantics(conn, file_attributes);
1393
1394         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
1395
1396         unix_convert(fname,conn,0,&bad_path,&sbuf);
1397         if (bad_path) {
1398                 restore_case_semantics(conn, file_attributes);
1399                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1400         }
1401         /* All file access must go through check_name() */
1402         if (!check_name(fname,conn)) {
1403                 restore_case_semantics(conn, file_attributes);
1404                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRbadpath);
1405         }
1406
1407 #if 0
1408         /* This is the correct thing to do (check every time) but can_delete is
1409            expensive (it may have to read the parent directory permissions). So
1410            for now we're not doing it unless we have a strong hint the client
1411            is really going to delete this file. */
1412         if (desired_access & DELETE_ACCESS) {
1413 #else
1414         /* Setting FILE_SHARE_DELETE is the hint. */
1415         if ((share_access & FILE_SHARE_DELETE) && (desired_access & DELETE_ACCESS)) {
1416 #endif
1417                 status = can_delete(conn, fname, file_attributes, bad_path, True);
1418                 /* We're only going to fail here if it's access denied, as that's the
1419                    only error we care about for "can we delete this ?" questions. */
1420                 if (!NT_STATUS_IS_OK(status) && (NT_STATUS_EQUAL(status,NT_STATUS_ACCESS_DENIED) ||
1421                                                  NT_STATUS_EQUAL(status,NT_STATUS_CANNOT_DELETE))) {
1422                         restore_case_semantics(conn, file_attributes);
1423                         END_PROFILE(SMBntcreateX);
1424                         return ERROR_NT(status);
1425                 }
1426         }
1427
1428         if (ea_len) {
1429                 ctx = talloc_init("NTTRANS_CREATE_EA");
1430                 if (!ctx) {
1431                         talloc_destroy(ctx);
1432                         restore_case_semantics(conn, file_attributes);
1433                         return ERROR_NT(NT_STATUS_NO_MEMORY);
1434                 }
1435
1436                 pdata = data + sd_len;
1437
1438                 /* We have already checked that ea_len <= data_count here. */
1439                 ea_list = read_nttrans_ea_list(ctx, pdata, ea_len);
1440                 if (!ea_list ) {
1441                         talloc_destroy(ctx);
1442                         restore_case_semantics(conn, file_attributes);
1443                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1444                 }
1445         }
1446
1447         /*
1448          * If it's a request for a directory open, deal with it separately.
1449          */
1450
1451         if(create_options & FILE_DIRECTORY_FILE) {
1452
1453                 /* Can't open a temp directory. IFS kit test. */
1454                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
1455                         talloc_destroy(ctx);
1456                         restore_case_semantics(conn, file_attributes);
1457                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1458                 }
1459
1460                 oplock_request = 0;
1461
1462                 /*
1463                  * We will get a create directory here if the Win32
1464                  * app specified a security descriptor in the
1465                  * CreateDirectory() call.
1466                  */
1467
1468                 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, &smb_action);
1469
1470                 if(!fsp) {
1471                         talloc_destroy(ctx);
1472                         restore_case_semantics(conn, file_attributes);
1473                         return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
1474                 }
1475
1476         } else {
1477
1478                 /*
1479                  * Ordinary file case.
1480                  */
1481
1482                 fsp = open_file_shared1(conn,fname,&sbuf,desired_access,
1483                                                 smb_open_mode,smb_ofun,file_attributes,
1484                                                 oplock_request,&rmode,&smb_action);
1485
1486                 if (!fsp) {
1487                         if(errno == EISDIR) {
1488
1489                                 /*
1490                                  * Fail the open if it was explicitly a non-directory file.
1491                                  */
1492
1493                                 if (create_options & FILE_NON_DIRECTORY_FILE) {
1494                                         restore_case_semantics(conn, file_attributes);
1495                                         return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
1496                                 }
1497
1498                                 oplock_request = 0;
1499                                 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, &smb_action);
1500
1501                                 if(!fsp) {
1502                                         talloc_destroy(ctx);
1503                                         restore_case_semantics(conn, file_attributes);
1504                                         return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
1505                                 }
1506                         } else {
1507                                 talloc_destroy(ctx);
1508                                 restore_case_semantics(conn, file_attributes);
1509                                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1510                                         /* We have re-scheduled this call. */
1511                                         return -1;
1512                                 }
1513                                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
1514                         }
1515                 }
1516         }
1517
1518         /*
1519          * According to the MS documentation, the only time the security
1520          * descriptor is applied to the opened file is iff we *created* the
1521          * file; an existing file stays the same.
1522          *
1523          * Also, it seems (from observation) that you can open the file with
1524          * any access mask but you can still write the sd. We need to override
1525          * the granted access before we call set_sd
1526          * Patch for bug #2242 from Tom Lackemann <cessnatomny@yahoo.com>.
1527          */
1528
1529         if (lp_nt_acl_support(SNUM(conn)) && sd_len && smb_action == FILE_WAS_CREATED) {
1530                 uint32 saved_access = fsp->desired_access;
1531
1532                 /* We have already checked that sd_len <= data_count here. */
1533
1534                 fsp->desired_access = FILE_GENERIC_ALL;
1535
1536                 status = set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION);
1537                 if (!NT_STATUS_IS_OK(status)) {
1538                         talloc_destroy(ctx);
1539                         close_file(fsp,False);
1540                         restore_case_semantics(conn, file_attributes);
1541                         return ERROR_NT(status);
1542                 }
1543                 fsp->desired_access = saved_access;
1544         }
1545
1546         if (ea_len && (smb_action == FILE_WAS_CREATED)) {
1547                 status = set_ea(conn, fsp, fname, ea_list);
1548                 talloc_destroy(ctx);
1549                 if (!NT_STATUS_IS_OK(status)) {
1550                         close_file(fsp,False);
1551                         restore_case_semantics(conn, file_attributes);
1552                         return ERROR_NT(status);
1553                 }
1554         }
1555
1556         restore_case_semantics(conn, file_attributes);
1557
1558         file_len = sbuf.st_size;
1559         fmode = dos_mode(conn,fname,&sbuf);
1560         if(fmode == 0) {
1561                 fmode = FILE_ATTRIBUTE_NORMAL;
1562         }
1563         if (!fsp->is_directory && (fmode & aDIR)) {
1564                 close_file(fsp,False);
1565                 return ERROR_DOS(ERRDOS,ERRnoaccess);
1566         }
1567
1568         /* Save the requested allocation size. */
1569         if ((smb_action == FILE_WAS_CREATED) || (smb_action == FILE_WAS_OVERWRITTEN)) {
1570                 SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(params,12);
1571 #ifdef LARGE_SMB_OFF_T
1572                 allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
1573 #endif
1574                 if (allocation_size && (allocation_size > file_len)) {
1575                         fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
1576                         if (fsp->is_directory) {
1577                                 close_file(fsp,False);
1578                                 /* Can't set allocation size on a directory. */
1579                                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1580                         }
1581                         if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1582                                 close_file(fsp,False);
1583                                 return ERROR_NT(NT_STATUS_DISK_FULL);
1584                         }
1585                 } else {
1586                         fsp->initial_allocation_size = smb_roundup(fsp->conn, (SMB_BIG_UINT)file_len);
1587                 }
1588         }
1589
1590         /*
1591          * If the caller set the extended oplock request bit
1592          * and we granted one (by whatever means) - set the
1593          * correct bit for extended oplock reply.
1594          */
1595
1596         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1597                 extended_oplock_granted = True;
1598         }
1599
1600         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1601                 extended_oplock_granted = True;
1602         }
1603
1604         /* Realloc the size of parameters and data we will return */
1605         params = nttrans_realloc(ppparams, 69);
1606         if(params == NULL)
1607                 return ERROR_DOS(ERRDOS,ERRnomem);
1608
1609         p = params;
1610         if (extended_oplock_granted)
1611                 SCVAL(p,0, BATCH_OPLOCK_RETURN);
1612         else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type))
1613                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
1614         else
1615                 SCVAL(p,0,NO_OPLOCK_RETURN);
1616
1617         p += 2;
1618         SSVAL(p,0,fsp->fnum);
1619         p += 2;
1620         if ((create_disposition == FILE_SUPERSEDE) && (smb_action == FILE_WAS_OVERWRITTEN))
1621                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1622         else
1623                 SIVAL(p,0,smb_action);
1624         p += 8;
1625
1626         /* Create time. */
1627         c_time = get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1628
1629         if (lp_dos_filetime_resolution(SNUM(conn))) {
1630                 c_time &= ~1;
1631                 sbuf.st_atime &= ~1;
1632                 sbuf.st_mtime &= ~1;
1633                 sbuf.st_mtime &= ~1;
1634         }
1635
1636         put_long_date(p,c_time);
1637         p += 8;
1638         put_long_date(p,sbuf.st_atime); /* access time */
1639         p += 8;
1640         put_long_date(p,sbuf.st_mtime); /* write time */
1641         p += 8;
1642         put_long_date(p,sbuf.st_mtime); /* change time */
1643         p += 8;
1644         SIVAL(p,0,fmode); /* File Attributes. */
1645         p += 4;
1646         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1647         p += 8;
1648         SOFF_T(p,0,file_len);
1649         p += 8;
1650         if (flags & EXTENDED_RESPONSE_REQUIRED)
1651                 SSVAL(p,2,0x7);
1652         p += 4;
1653         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1654
1655         DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
1656
1657         /* Send the required number of replies */
1658         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
1659
1660         return -1;
1661 }
1662
1663 /****************************************************************************
1664  Reply to a NT CANCEL request.
1665 ****************************************************************************/
1666
1667 int reply_ntcancel(connection_struct *conn,
1668                    char *inbuf,char *outbuf,int length,int bufsize)
1669 {
1670         /*
1671          * Go through and cancel any pending change notifies.
1672          */
1673
1674         int mid = SVAL(inbuf,smb_mid);
1675         START_PROFILE(SMBntcancel);
1676         remove_pending_change_notify_requests_by_mid(mid);
1677         remove_pending_lock_requests_by_mid(mid);
1678         srv_cancel_sign_response(mid);
1679
1680         DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", mid));
1681
1682         END_PROFILE(SMBntcancel);
1683         return(-1);
1684 }
1685
1686 /****************************************************************************
1687  Copy a file.
1688 ****************************************************************************/
1689
1690 static NTSTATUS copy_internals(connection_struct *conn, char *oldname, char *newname, uint16 attrs)
1691 {
1692         BOOL bad_path_oldname = False;
1693         BOOL bad_path_newname = False;
1694         SMB_STRUCT_STAT sbuf1, sbuf2;
1695         pstring last_component_oldname;
1696         pstring last_component_newname;
1697         files_struct *fsp1,*fsp2;
1698         uint16 fmode;
1699         int access_mode;
1700         int smb_action;
1701         SMB_OFF_T ret=-1;
1702         int close_ret;
1703         NTSTATUS status = NT_STATUS_OK;
1704
1705         ZERO_STRUCT(sbuf1);
1706         ZERO_STRUCT(sbuf2);
1707
1708         /* No wildcards. */
1709         if (ms_has_wild(newname) || ms_has_wild(oldname)) {
1710                 return NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1711         }
1712
1713         if (!CAN_WRITE(conn))
1714                 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1715
1716         unix_convert(oldname,conn,last_component_oldname,&bad_path_oldname,&sbuf1);
1717         if (bad_path_oldname) {
1718                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
1719         }
1720
1721         /* Quick check for "." and ".." */
1722         if (last_component_oldname[0] == '.') {
1723                 if (!last_component_oldname[1] || (last_component_oldname[1] == '.' && !last_component_oldname[2])) {
1724                         return NT_STATUS_OBJECT_NAME_INVALID;
1725                 }
1726         }
1727
1728         /* Source must already exist. */
1729         if (!VALID_STAT(sbuf1)) {
1730                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1731         }
1732         if (!check_name(oldname,conn)) {
1733                 return NT_STATUS_ACCESS_DENIED;
1734         }
1735
1736         /* Ensure attributes match. */
1737         fmode = dos_mode(conn,oldname,&sbuf1);
1738         if ((fmode & ~attrs) & (aHIDDEN | aSYSTEM))
1739                 return NT_STATUS_NO_SUCH_FILE;
1740
1741         unix_convert(newname,conn,last_component_newname,&bad_path_newname,&sbuf2);
1742         if (bad_path_newname) {
1743                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
1744         }
1745
1746         /* Quick check for "." and ".." */
1747         if (last_component_newname[0] == '.') {
1748                 if (!last_component_newname[1] || (last_component_newname[1] == '.' && !last_component_newname[2])) {
1749                         return NT_STATUS_OBJECT_NAME_INVALID;
1750                 }
1751         }
1752
1753         /* Disallow if newname already exists. */
1754         if (VALID_STAT(sbuf2)) {
1755                 return NT_STATUS_OBJECT_NAME_COLLISION;
1756         }
1757
1758         if (!check_name(newname,conn)) {
1759                 return NT_STATUS_ACCESS_DENIED;
1760         }
1761
1762         /* No links from a directory. */
1763         if (S_ISDIR(sbuf1.st_mode)) {
1764                 return NT_STATUS_FILE_IS_A_DIRECTORY;
1765         }
1766
1767         /* Ensure this is within the share. */
1768         if (!reduce_name(conn, oldname) != 0) {
1769                 return NT_STATUS_ACCESS_DENIED;
1770         }
1771
1772         DEBUG(10,("copy_internals: doing file copy %s to %s\n", oldname, newname));
1773
1774         fsp1 = open_file_shared1(conn,oldname,&sbuf1,FILE_READ_DATA,SET_DENY_MODE(DENY_ALL)|SET_OPEN_MODE(DOS_OPEN_RDONLY),
1775                         (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN),FILE_ATTRIBUTE_NORMAL,0,
1776                         &access_mode,&smb_action);
1777
1778         if (!fsp1) {
1779                 get_saved_error_triple(NULL, NULL, &status);
1780                 if (NT_STATUS_IS_OK(status)) {
1781                         status = NT_STATUS_ACCESS_DENIED;
1782                 }
1783                 set_saved_error_triple(0, 0, NT_STATUS_OK);
1784                 return status;
1785         }
1786
1787         fsp2 = open_file_shared1(conn,newname,&sbuf2,FILE_WRITE_DATA,SET_DENY_MODE(DENY_ALL)|SET_OPEN_MODE(DOS_OPEN_WRONLY),
1788                         (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_FAIL),fmode,INTERNAL_OPEN_ONLY,
1789                         &access_mode,&smb_action);
1790
1791         if (!fsp2) {
1792                 get_saved_error_triple(NULL, NULL, &status);
1793                 if (NT_STATUS_IS_OK(status)) {
1794                         status = NT_STATUS_ACCESS_DENIED;
1795                 }
1796                 set_saved_error_triple(0, 0, NT_STATUS_OK);
1797                 close_file(fsp1,False);
1798                 return status;
1799         }
1800
1801         if (sbuf1.st_size)
1802                 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1803
1804         /*
1805          * As we are opening fsp1 read-only we only expect
1806          * an error on close on fsp2 if we are out of space.
1807          * Thus we don't look at the error return from the
1808          * close of fsp1.
1809          */
1810         close_file(fsp1,False);
1811
1812         /* Ensure the modtime is set correctly on the destination file. */
1813         fsp_set_pending_modtime(fsp2, sbuf1.st_mtime);
1814
1815         close_ret = close_file(fsp2,False);
1816
1817         /* Grrr. We have to do this as open_file_shared1 adds aARCH when it
1818            creates the file. This isn't the correct thing to do in the copy case. JRA */
1819         file_set_dosmode(conn, newname, fmode, &sbuf2, True);
1820
1821         if (ret < (SMB_OFF_T)sbuf1.st_size) {
1822                 return NT_STATUS_DISK_FULL;
1823         }
1824
1825         if (close_ret != 0) {
1826                 status = map_nt_error_from_unix(close_ret);
1827                 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1828                         nt_errstr(status), oldname, newname));
1829         }
1830         return status;
1831 }
1832
1833 /****************************************************************************
1834  Reply to a NT rename request.
1835 ****************************************************************************/
1836
1837 int reply_ntrename(connection_struct *conn,
1838                    char *inbuf,char *outbuf,int length,int bufsize)
1839 {
1840         int outsize = 0;
1841         pstring oldname;
1842         pstring newname;
1843         char *p;
1844         NTSTATUS status;
1845         uint16 attrs = SVAL(inbuf,smb_vwv0);
1846         uint16 rename_type = SVAL(inbuf,smb_vwv1);
1847
1848         START_PROFILE(SMBntrename);
1849
1850         p = smb_buf(inbuf) + 1;
1851         p += srvstr_get_path(inbuf, oldname, p, sizeof(oldname), 0, STR_TERMINATE, &status, True);
1852         if (!NT_STATUS_IS_OK(status)) {
1853                 END_PROFILE(SMBntrename);
1854                 return ERROR_NT(status);
1855         }
1856
1857         if( strchr_m(oldname, ':')) {
1858                 /* Can't rename a stream. */
1859                 END_PROFILE(SMBntrename);
1860                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1861         }
1862
1863         if (ms_has_wild(oldname)) {
1864                 END_PROFILE(SMBntrename);
1865                 return ERROR_NT(NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1866         }
1867
1868         p++;
1869         p += srvstr_get_path(inbuf, newname, p, sizeof(newname), 0, STR_TERMINATE, &status, False);
1870         if (!NT_STATUS_IS_OK(status)) {
1871                 END_PROFILE(SMBntrename);
1872                 return ERROR_NT(status);
1873         }
1874
1875         RESOLVE_DFSPATH(oldname, conn, inbuf, outbuf);
1876         RESOLVE_DFSPATH(newname, conn, inbuf, outbuf);
1877
1878         DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1879
1880         switch(rename_type) {
1881                 case RENAME_FLAG_RENAME:
1882                         status = rename_internals(conn, oldname, newname, attrs, False);
1883                         break;
1884                 case RENAME_FLAG_HARD_LINK:
1885                         status = hardlink_internals(conn, oldname, newname);
1886                         break;
1887                 case RENAME_FLAG_COPY:
1888                         status = copy_internals(conn, oldname, newname, attrs);
1889                         break;
1890                 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1891                         status = NT_STATUS_INVALID_PARAMETER;
1892                         break;
1893                 default:
1894                         status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1895                         break;
1896         }
1897
1898         if (!NT_STATUS_IS_OK(status)) {
1899                 END_PROFILE(SMBntrename);
1900                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1901                         /* We have re-scheduled this call. */
1902                         return -1;
1903                 }
1904                 return ERROR_NT(status);
1905         }
1906
1907         /*
1908          * Win2k needs a changenotify request response before it will
1909          * update after a rename..
1910          */
1911         process_pending_change_notify_queue((time_t)0);
1912         outsize = set_message(outbuf,0,0,True);
1913
1914         END_PROFILE(SMBntrename);
1915         return(outsize);
1916 }
1917
1918 /****************************************************************************
1919  Reply to an unsolicited SMBNTtranss - just ignore it!
1920 ****************************************************************************/
1921
1922 int reply_nttranss(connection_struct *conn,
1923                    char *inbuf,char *outbuf,int length,int bufsize)
1924 {
1925         START_PROFILE(SMBnttranss);
1926         DEBUG(4,("Ignoring nttranss of length %d\n",length));
1927         END_PROFILE(SMBnttranss);
1928         return(-1);
1929 }
1930
1931 /****************************************************************************
1932  Reply to a notify change - queue the request and
1933  don't allow a directory to be opened.
1934 ****************************************************************************/
1935
1936 static int call_nt_transact_notify_change(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1937                                   char **ppsetup, uint32 setup_count,
1938                                   char **ppparams, uint32 parameter_count,
1939                                   char **ppdata, uint32 data_count, uint32 max_data_count)
1940 {
1941         char *setup = *ppsetup;
1942         files_struct *fsp;
1943         uint32 flags;
1944
1945         if(setup_count < 6)
1946                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1947
1948         fsp = file_fsp(setup,4);
1949         flags = IVAL(setup, 0);
1950
1951         DEBUG(3,("call_nt_transact_notify_change\n"));
1952
1953         if(!fsp)
1954                 return ERROR_DOS(ERRDOS,ERRbadfid);
1955
1956         if((!fsp->is_directory) || (conn != fsp->conn))
1957                 return ERROR_DOS(ERRDOS,ERRbadfid);
1958
1959         if (!change_notify_set(inbuf, fsp, conn, flags))
1960                 return(UNIXERROR(ERRDOS,ERRbadfid));
1961
1962         DEBUG(3,("call_nt_transact_notify_change: notify change called on directory \
1963 name = %s\n", fsp->fsp_name ));
1964
1965         return -1;
1966 }
1967
1968 /****************************************************************************
1969  Reply to an NT transact rename command.
1970 ****************************************************************************/
1971
1972 static int call_nt_transact_rename(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1973                                   char **ppsetup, uint32 setup_count,
1974                                   char **ppparams, uint32 parameter_count,
1975                                   char **ppdata, uint32 data_count, uint32 max_data_count)
1976 {
1977         char *params = *ppparams;
1978         pstring new_name;
1979         files_struct *fsp = NULL;
1980         BOOL replace_if_exists = False;
1981         NTSTATUS status;
1982
1983         if(parameter_count < 4)
1984                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1985
1986         fsp = file_fsp(params, 0);
1987         replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
1988         CHECK_FSP(fsp, conn);
1989         srvstr_get_path(inbuf, new_name, params+4, sizeof(new_name), -1, STR_TERMINATE, &status, True);
1990         if (!NT_STATUS_IS_OK(status)) {
1991                 return ERROR_NT(status);
1992         }
1993
1994         status = rename_internals(conn, fsp->fsp_name,
1995                                   new_name, 0, replace_if_exists);
1996         if (!NT_STATUS_IS_OK(status))
1997                 return ERROR_NT(status);
1998
1999         /*
2000          * Rename was successful.
2001          */
2002         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2003
2004         DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
2005                  fsp->fsp_name, new_name));
2006
2007         /*
2008          * Win2k needs a changenotify request response before it will
2009          * update after a rename..
2010          */
2011
2012         process_pending_change_notify_queue((time_t)0);
2013
2014         return -1;
2015 }
2016
2017 /******************************************************************************
2018  Fake up a completely empty SD.
2019 *******************************************************************************/
2020
2021 static size_t get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
2022 {
2023         extern DOM_SID global_sid_World;
2024         size_t sd_size;
2025
2026         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
2027         if(!*ppsd) {
2028                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
2029                 sd_size = 0;
2030         }
2031
2032         return sd_size;
2033 }
2034
2035 /****************************************************************************
2036  Reply to query a security descriptor.
2037 ****************************************************************************/
2038
2039 static int call_nt_transact_query_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2040                                   char **ppsetup, uint32 setup_count,
2041                                   char **ppparams, uint32 parameter_count,
2042                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2043 {
2044         char *params = *ppparams;
2045         char *data = *ppdata;
2046         prs_struct pd;
2047         SEC_DESC *psd = NULL;
2048         size_t sd_size;
2049         uint32 security_info_wanted;
2050         TALLOC_CTX *mem_ctx;
2051         files_struct *fsp = NULL;
2052
2053         if(parameter_count < 8)
2054                 return ERROR_DOS(ERRDOS,ERRbadfunc);
2055
2056         fsp = file_fsp(params,0);
2057         if(!fsp)
2058                 return ERROR_DOS(ERRDOS,ERRbadfid);
2059
2060         security_info_wanted = IVAL(params,4);
2061
2062         DEBUG(3,("call_nt_transact_query_security_desc: file = %s\n", fsp->fsp_name ));
2063
2064         params = nttrans_realloc(ppparams, 4);
2065         if(params == NULL)
2066                 return ERROR_DOS(ERRDOS,ERRnomem);
2067
2068         if ((mem_ctx = talloc_init("call_nt_transact_query_security_desc")) == NULL) {
2069                 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
2070                 return ERROR_DOS(ERRDOS,ERRnomem);
2071         }
2072
2073         /*
2074          * Get the permissions to return.
2075          */
2076
2077         if (!lp_nt_acl_support(SNUM(conn)))
2078                 sd_size = get_null_nt_acl(mem_ctx, &psd);
2079         else
2080                 sd_size = SMB_VFS_FGET_NT_ACL(fsp, fsp->fd, security_info_wanted, &psd);
2081
2082         if (sd_size == 0) {
2083                 talloc_destroy(mem_ctx);
2084                 return(UNIXERROR(ERRDOS,ERRnoaccess));
2085         }
2086
2087         DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %d.\n",(int)sd_size));
2088
2089         SIVAL(params,0,(uint32)sd_size);
2090
2091         if(max_data_count < sd_size) {
2092
2093                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_BUFFER_TOO_SMALL,
2094                         params, 4, *ppdata, 0);
2095                 talloc_destroy(mem_ctx);
2096                 return -1;
2097         }
2098
2099         /*
2100          * Allocate the data we will point this at.
2101          */
2102
2103         data = nttrans_realloc(ppdata, sd_size);
2104         if(data == NULL) {
2105                 talloc_destroy(mem_ctx);
2106                 return ERROR_DOS(ERRDOS,ERRnomem);
2107         }
2108
2109         /*
2110          * Init the parse struct we will marshall into.
2111          */
2112
2113         prs_init(&pd, 0, mem_ctx, MARSHALL);
2114
2115         /*
2116          * Setup the prs_struct to point at the memory we just
2117          * allocated.
2118          */
2119
2120         prs_give_memory( &pd, data, (uint32)sd_size, False);
2121
2122         /*
2123          * Finally, linearize into the outgoing buffer.
2124          */
2125
2126         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
2127                 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
2128 security descriptor.\n"));
2129                 /*
2130                  * Return access denied for want of a better error message..
2131                  */
2132                 talloc_destroy(mem_ctx);
2133                 return(UNIXERROR(ERRDOS,ERRnoaccess));
2134         }
2135
2136         /*
2137          * Now we can delete the security descriptor.
2138          */
2139
2140         talloc_destroy(mem_ctx);
2141
2142         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 4, data, (int)sd_size);
2143         return -1;
2144 }
2145
2146 /****************************************************************************
2147  Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2148 ****************************************************************************/
2149
2150 static int call_nt_transact_set_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2151                                   char **ppsetup, uint32 setup_count,
2152                                   char **ppparams, uint32 parameter_count,
2153                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2154 {
2155         char *params= *ppparams;
2156         char *data = *ppdata;
2157         files_struct *fsp = NULL;
2158         uint32 security_info_sent = 0;
2159         NTSTATUS nt_status;
2160
2161         if(parameter_count < 8)
2162                 return ERROR_DOS(ERRDOS,ERRbadfunc);
2163
2164         if((fsp = file_fsp(params,0)) == NULL)
2165                 return ERROR_DOS(ERRDOS,ERRbadfid);
2166
2167         if(!lp_nt_acl_support(SNUM(conn)))
2168                 goto done;
2169
2170         security_info_sent = IVAL(params,4);
2171
2172         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
2173                 (unsigned int)security_info_sent ));
2174
2175         if (data_count == 0)
2176                 return ERROR_DOS(ERRDOS, ERRnoaccess);
2177
2178         if (!NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, data_count, security_info_sent)))
2179                 return ERROR_NT(nt_status);
2180
2181   done:
2182
2183         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2184         return -1;
2185 }
2186
2187 /****************************************************************************
2188  Reply to NT IOCTL
2189 ****************************************************************************/
2190
2191 static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2192                                   char **ppsetup, uint32 setup_count,
2193                                   char **ppparams, uint32 parameter_count,
2194                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2195 {
2196         uint32 function;
2197         uint16 fidnum;
2198         files_struct *fsp;
2199         uint8 isFSctl;
2200         uint8 compfilter;
2201         static BOOL logged_message;
2202         char *pdata = *ppdata;
2203
2204         if (setup_count != 8) {
2205                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2206                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2207         }
2208
2209         function = IVAL(*ppsetup, 0);
2210         fidnum = SVAL(*ppsetup, 4);
2211         isFSctl = CVAL(*ppsetup, 6);
2212         compfilter = CVAL(*ppsetup, 7);
2213
2214         DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2215                  function, fidnum, isFSctl, compfilter));
2216
2217         fsp=file_fsp(*ppsetup, 4);
2218         /* this check is done in each implemented function case for now
2219            because I don't want to break anything... --metze
2220         FSP_BELONGS_CONN(fsp,conn);*/
2221
2222         switch (function) {
2223         case FSCTL_SET_SPARSE:
2224                 /* pretend this succeeded - tho strictly we should
2225                    mark the file sparse (if the local fs supports it)
2226                    so we can know if we need to pre-allocate or not */
2227
2228                 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2229                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2230                 return -1;
2231
2232         case FSCTL_0x000900C0:
2233                 /* pretend this succeeded - don't know what this really is
2234                    but works ok like this --metze
2235                  */
2236
2237                 DEBUG(10,("FSCTL_0x000900C0: called on FID[0x%04X](but not implemented)\n",fidnum));
2238                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2239                 return -1;
2240
2241         case FSCTL_GET_REPARSE_POINT:
2242                 /* pretend this fail - my winXP does it like this
2243                  * --metze
2244                  */
2245
2246                 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2247                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT, NULL, 0, NULL, 0);
2248                 return -1;
2249
2250         case FSCTL_SET_REPARSE_POINT:
2251                 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2252                  * --metze
2253                  */
2254
2255                 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2256                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT, NULL, 0, NULL, 0);
2257                 return -1;
2258
2259         case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2260         {
2261                 /*
2262                  * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2263                  * and return their volume names.  If max_data_count is 16, then it is just
2264                  * asking for the number of volumes and length of the combined names.
2265                  *
2266                  * pdata is the data allocated by our caller, but that uses
2267                  * total_data_count (which is 0 in our case) rather than max_data_count.
2268                  * Allocate the correct amount and return the pointer to let
2269                  * it be deallocated when we return.
2270                  */
2271                 SHADOW_COPY_DATA *shadow_data = NULL;
2272                 TALLOC_CTX *shadow_mem_ctx = NULL;
2273                 BOOL labels = False;
2274                 uint32 labels_data_count = 0;
2275                 uint32 i;
2276                 char *cur_pdata;
2277
2278                 FSP_BELONGS_CONN(fsp,conn);
2279
2280                 if (max_data_count < 16) {
2281                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2282                                 max_data_count));
2283                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2284                 }
2285
2286                 if (max_data_count > 16) {
2287                         labels = True;
2288                 }
2289
2290                 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2291                 if (shadow_mem_ctx == NULL) {
2292                         DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2293                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2294                 }
2295
2296                 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2297                 if (shadow_data == NULL) {
2298                         DEBUG(0,("talloc_zero() failed!\n"));
2299                         talloc_destroy(shadow_mem_ctx);
2300                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2301                 }
2302
2303                 shadow_data->mem_ctx = shadow_mem_ctx;
2304
2305                 /*
2306                  * Call the VFS routine to actually do the work.
2307                  */
2308                 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2309                         talloc_destroy(shadow_data->mem_ctx);
2310                         if (errno == ENOSYS) {
2311                                 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2312                                         conn->connectpath));
2313                                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2314                         } else {
2315                                 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2316                                         conn->connectpath));
2317                                 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
2318                         }
2319                 }
2320
2321                 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2322
2323                 if (!labels) {
2324                         data_count = 16;
2325                 } else {
2326                         data_count = 12+labels_data_count+4;
2327                 }
2328
2329                 if (max_data_count<data_count) {
2330                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2331                                 max_data_count,data_count));
2332                         talloc_destroy(shadow_data->mem_ctx);
2333                         return ERROR_NT(NT_STATUS_BUFFER_TOO_SMALL);
2334                 }
2335
2336                 pdata = nttrans_realloc(ppdata, data_count);
2337                 if (pdata == NULL) {
2338                         talloc_destroy(shadow_data->mem_ctx);
2339                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2340                 }
2341
2342                 cur_pdata = pdata;
2343
2344                 /* num_volumes 4 bytes */
2345                 SIVAL(pdata,0,shadow_data->num_volumes);
2346
2347                 if (labels) {
2348                         /* num_labels 4 bytes */
2349                         SIVAL(pdata,4,shadow_data->num_volumes);
2350                 }
2351
2352                 /* needed_data_count 4 bytes */
2353                 SIVAL(pdata,8,labels_data_count);
2354
2355                 cur_pdata+=12;
2356
2357                 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2358                         shadow_data->num_volumes,fsp->fsp_name));
2359                 if (labels && shadow_data->labels) {
2360                         for (i=0;i<shadow_data->num_volumes;i++) {
2361                                 srvstr_push(outbuf, cur_pdata, shadow_data->labels[i], 2*sizeof(SHADOW_COPY_LABEL), STR_UNICODE|STR_TERMINATE);
2362                                 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2363                                 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2364                         }
2365                 }
2366
2367                 talloc_destroy(shadow_data->mem_ctx);
2368
2369                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, pdata, data_count);
2370
2371                 return -1;
2372         }
2373
2374         case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2375         {
2376                 /* pretend this succeeded -
2377                  *
2378                  * we have to send back a list with all files owned by this SID
2379                  *
2380                  * but I have to check that --metze
2381                  */
2382                 DOM_SID sid;
2383                 uid_t uid;
2384                 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2385
2386                 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2387
2388                 FSP_BELONGS_CONN(fsp,conn);
2389
2390                 /* unknown 4 bytes: this is not the length of the sid :-(  */
2391                 /*unknown = IVAL(pdata,0);*/
2392
2393                 sid_parse(pdata+4,sid_len,&sid);
2394                 DEBUGADD(10,("for SID: %s\n",sid_string_static(&sid)));
2395
2396                 if (!NT_STATUS_IS_OK(sid_to_uid(&sid, &uid))) {
2397                         DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2398                                 sid_string_static(&sid),(unsigned long)sid_len));
2399                         uid = (-1);
2400                 }
2401
2402                 /* we can take a look at the find source :-)
2403                  *
2404                  * find ./ -uid $uid  -name '*'   is what we need here
2405                  *
2406                  *
2407                  * and send 4bytes len and then NULL terminated unicode strings
2408                  * for each file
2409                  *
2410                  * but I don't know how to deal with the paged results
2411                  * (maybe we can hang the result anywhere in the fsp struct)
2412                  *
2413                  * we don't send all files at once
2414                  * and at the next we should *not* start from the beginning,
2415                  * so we have to cache the result
2416                  *
2417                  * --metze
2418                  */
2419
2420                 /* this works for now... */
2421                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2422                 return -1;
2423         }
2424         default:
2425                 if (!logged_message) {
2426                         logged_message = True; /* Only print this once... */
2427                         DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2428                                  function));
2429                 }
2430         }
2431
2432         return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2433 }
2434
2435
2436 #ifdef HAVE_SYS_QUOTAS
2437 /****************************************************************************
2438  Reply to get user quota
2439 ****************************************************************************/
2440
2441 static int call_nt_transact_get_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2442                                   char **ppsetup, uint32 setup_count,
2443                                   char **ppparams, uint32 parameter_count,
2444                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2445 {
2446         NTSTATUS nt_status = NT_STATUS_OK;
2447         char *params = *ppparams;
2448         char *pdata = *ppdata;
2449         char *entry;
2450         int data_len=0,param_len=0;
2451         int qt_len=0;
2452         int entry_len = 0;
2453         files_struct *fsp = NULL;
2454         uint16 level = 0;
2455         size_t sid_len;
2456         DOM_SID sid;
2457         BOOL start_enum = True;
2458         SMB_NTQUOTA_STRUCT qt;
2459         SMB_NTQUOTA_LIST *tmp_list;
2460         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2461         extern struct current_user current_user;
2462
2463         ZERO_STRUCT(qt);
2464
2465         /* access check */
2466         if (current_user.uid != 0) {
2467                 DEBUG(1,("get_user_quota: access_denied service [%s] user [%s]\n",
2468                         lp_servicename(SNUM(conn)),conn->user));
2469                 return ERROR_DOS(ERRDOS,ERRnoaccess);
2470         }
2471
2472         /*
2473          * Ensure minimum number of parameters sent.
2474          */
2475
2476         if (parameter_count < 4) {
2477                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2478                 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2479         }
2480
2481         /* maybe we can check the quota_fnum */
2482         fsp = file_fsp(params,0);
2483         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2484                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2485                 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2486         }
2487
2488         /* the NULL pointer cheking for fsp->fake_file_handle->pd
2489          * is done by CHECK_NTQUOTA_HANDLE_OK()
2490          */
2491         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
2492
2493         level = SVAL(params,2);
2494
2495         /* unknown 12 bytes leading in params */
2496
2497         switch (level) {
2498                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2499                         /* seems that we should continue with the enum here --metze */
2500
2501                         if (qt_handle->quota_list!=NULL &&
2502                             qt_handle->tmp_list==NULL) {
2503
2504                                 /* free the list */
2505                                 free_ntquota_list(&(qt_handle->quota_list));
2506
2507                                 /* Realloc the size of parameters and data we will return */
2508                                 param_len = 4;
2509                                 params = nttrans_realloc(ppparams, param_len);
2510                                 if(params == NULL)
2511                                         return ERROR_DOS(ERRDOS,ERRnomem);
2512
2513                                 data_len = 0;
2514                                 SIVAL(params,0,data_len);
2515
2516                                 break;
2517                         }
2518
2519                         start_enum = False;
2520
2521                 case TRANSACT_GET_USER_QUOTA_LIST_START:
2522
2523                         if (qt_handle->quota_list==NULL &&
2524                                 qt_handle->tmp_list==NULL) {
2525                                 start_enum = True;
2526                         }
2527
2528                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0)
2529                                 return ERROR_DOS(ERRSRV,ERRerror);
2530
2531                         /* Realloc the size of parameters and data we will return */
2532                         param_len = 4;
2533                         params = nttrans_realloc(ppparams, param_len);
2534                         if(params == NULL)
2535                                 return ERROR_DOS(ERRDOS,ERRnomem);
2536
2537                         /* we should not trust the value in max_data_count*/
2538                         max_data_count = MIN(max_data_count,2048);
2539
2540                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2541                         if(pdata == NULL)
2542                                 return ERROR_DOS(ERRDOS,ERRnomem);
2543
2544                         entry = pdata;
2545
2546
2547                         /* set params Size of returned Quota Data 4 bytes*/
2548                         /* but set it later when we know it */
2549
2550                         /* for each entry push the data */
2551
2552                         if (start_enum) {
2553                                 qt_handle->tmp_list = qt_handle->quota_list;
2554                         }
2555
2556                         tmp_list = qt_handle->tmp_list;
2557
2558                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2559                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2560
2561                                 sid_len = sid_size(&tmp_list->quotas->sid);
2562                                 entry_len = 40 + sid_len;
2563
2564                                 /* nextoffset entry 4 bytes */
2565                                 SIVAL(entry,0,entry_len);
2566
2567                                 /* then the len of the SID 4 bytes */
2568                                 SIVAL(entry,4,sid_len);
2569
2570                                 /* unknown data 8 bytes SMB_BIG_UINT */
2571                                 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2572
2573                                 /* the used disk space 8 bytes SMB_BIG_UINT */
2574                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2575
2576                                 /* the soft quotas 8 bytes SMB_BIG_UINT */
2577                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2578
2579                                 /* the hard quotas 8 bytes SMB_BIG_UINT */
2580                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2581
2582                                 /* and now the SID */
2583                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2584                         }
2585
2586                         qt_handle->tmp_list = tmp_list;
2587
2588                         /* overwrite the offset of the last entry */
2589                         SIVAL(entry-entry_len,0,0);
2590
2591                         data_len = 4+qt_len;
2592                         /* overwrite the params quota_data_len */
2593                         SIVAL(params,0,data_len);
2594
2595                         break;
2596
2597                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2598
2599                         /* unknown 4 bytes IVAL(pdata,0) */
2600
2601                         if (data_count < 8) {
2602                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2603                                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2604                         }
2605
2606                         sid_len = IVAL(pdata,4);
2607                         /* Ensure this is less than 1mb. */
2608                         if (sid_len > (1024*1024)) {
2609                                 return ERROR_DOS(ERRDOS,ERRnomem);
2610                         }
2611
2612                         if (data_count < 8+sid_len) {
2613                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2614                                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2615                         }
2616
2617                         data_len = 4+40+sid_len;
2618
2619                         if (max_data_count < data_len) {
2620                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2621                                         max_data_count, data_len));
2622                                 param_len = 4;
2623                                 SIVAL(params,0,data_len);
2624                                 data_len = 0;
2625                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2626                                 break;
2627                         }
2628
2629                         sid_parse(pdata+8,sid_len,&sid);
2630
2631
2632                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2633                                 ZERO_STRUCT(qt);
2634                                 /*
2635                                  * we have to return zero's in all fields
2636                                  * instead of returning an error here
2637                                  * --metze
2638                                  */
2639                         }
2640
2641                         /* Realloc the size of parameters and data we will return */
2642                         param_len = 4;
2643                         params = nttrans_realloc(ppparams, param_len);
2644                         if(params == NULL)
2645                                 return ERROR_DOS(ERRDOS,ERRnomem);
2646
2647                         pdata = nttrans_realloc(ppdata, data_len);
2648                         if(pdata == NULL)
2649                                 return ERROR_DOS(ERRDOS,ERRnomem);
2650
2651                         entry = pdata;
2652
2653                         /* set params Size of returned Quota Data 4 bytes*/
2654                         SIVAL(params,0,data_len);
2655
2656                         /* nextoffset entry 4 bytes */
2657                         SIVAL(entry,0,0);
2658
2659                         /* then the len of the SID 4 bytes */
2660                         SIVAL(entry,4,sid_len);
2661
2662                         /* unknown data 8 bytes SMB_BIG_UINT */
2663                         SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
2664
2665                         /* the used disk space 8 bytes SMB_BIG_UINT */
2666                         SBIG_UINT(entry,16,qt.usedspace);
2667
2668                         /* the soft quotas 8 bytes SMB_BIG_UINT */
2669                         SBIG_UINT(entry,24,qt.softlim);
2670
2671                         /* the hard quotas 8 bytes SMB_BIG_UINT */
2672                         SBIG_UINT(entry,32,qt.hardlim);
2673
2674                         /* and now the SID */
2675                         sid_linearize(entry+40, sid_len, &sid);
2676
2677                         break;
2678
2679                 default:
2680                         DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2681                         return ERROR_DOS(ERRSRV,ERRerror);
2682                         break;
2683         }
2684
2685         send_nt_replies(inbuf, outbuf, bufsize, nt_status, params, param_len, pdata, data_len);
2686
2687         return -1;
2688 }
2689
2690 /****************************************************************************
2691  Reply to set user quota
2692 ****************************************************************************/
2693
2694 static int call_nt_transact_set_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2695                                   char **ppsetup, uint32 setup_count,
2696                                   char **ppparams, uint32 parameter_count,
2697                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2698 {
2699         char *params = *ppparams;
2700         char *pdata = *ppdata;
2701         int data_len=0,param_len=0;
2702         SMB_NTQUOTA_STRUCT qt;
2703         size_t sid_len;
2704         DOM_SID sid;
2705         files_struct *fsp = NULL;
2706
2707         ZERO_STRUCT(qt);
2708
2709         /* access check */
2710         if (current_user.uid != 0) {
2711                 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
2712                         lp_servicename(SNUM(conn)),conn->user));
2713                 return ERROR_DOS(ERRDOS,ERRnoaccess);
2714         }
2715
2716         /*
2717          * Ensure minimum number of parameters sent.
2718          */
2719
2720         if (parameter_count < 2) {
2721                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2722                 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2723         }
2724
2725         /* maybe we can check the quota_fnum */
2726         fsp = file_fsp(params,0);
2727         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2728                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2729                 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2730         }
2731
2732         if (data_count < 40) {
2733                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2734                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2735         }
2736
2737         /* offset to next quota record.
2738          * 4 bytes IVAL(pdata,0)
2739          * unused here...
2740          */
2741
2742         /* sid len */
2743         sid_len = IVAL(pdata,4);
2744
2745         if (data_count < 40+sid_len) {
2746                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2747                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2748         }
2749
2750         /* unknown 8 bytes in pdata
2751          * maybe its the change time in NTTIME
2752          */
2753
2754         /* the used space 8 bytes (SMB_BIG_UINT)*/
2755         qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
2756 #ifdef LARGE_SMB_OFF_T
2757         qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
2758 #else /* LARGE_SMB_OFF_T */
2759         if ((IVAL(pdata,20) != 0)&&
2760                 ((qt.usedspace != 0xFFFFFFFF)||
2761                 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2762                 /* more than 32 bits? */
2763                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2764         }
2765 #endif /* LARGE_SMB_OFF_T */
2766
2767         /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
2768         qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
2769 #ifdef LARGE_SMB_OFF_T
2770         qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
2771 #else /* LARGE_SMB_OFF_T */
2772         if ((IVAL(pdata,28) != 0)&&
2773                 ((qt.softlim != 0xFFFFFFFF)||
2774                 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2775                 /* more than 32 bits? */
2776                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2777         }
2778 #endif /* LARGE_SMB_OFF_T */
2779
2780         /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
2781         qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
2782 #ifdef LARGE_SMB_OFF_T
2783         qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
2784 #else /* LARGE_SMB_OFF_T */
2785         if ((IVAL(pdata,36) != 0)&&
2786                 ((qt.hardlim != 0xFFFFFFFF)||
2787                 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2788                 /* more than 32 bits? */
2789                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2790         }
2791 #endif /* LARGE_SMB_OFF_T */
2792
2793         sid_parse(pdata+40,sid_len,&sid);
2794         DEBUGADD(8,("SID: %s\n",sid_string_static(&sid)));
2795
2796         /* 44 unknown bytes left... */
2797
2798         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2799                 return ERROR_DOS(ERRSRV,ERRerror);
2800         }
2801
2802         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, param_len, pdata, data_len);
2803
2804         return -1;
2805 }
2806 #endif /* HAVE_SYS_QUOTAS */
2807
2808 /****************************************************************************
2809  Reply to a SMBNTtrans.
2810 ****************************************************************************/
2811
2812 int reply_nttrans(connection_struct *conn,
2813                         char *inbuf,char *outbuf,int length,int bufsize)
2814 {
2815         int  outsize = 0;
2816         uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
2817 #if 0 /* Not used. */
2818         uint16 max_setup_count = CVAL(inbuf, smb_nt_MaxSetupCount);
2819         uint32 max_parameter_count = IVAL(inbuf, smb_nt_MaxParameterCount);
2820 #endif /* Not used. */
2821         uint32 total_parameter_count = IVAL(inbuf, smb_nt_TotalParameterCount);
2822         uint32 total_data_count = IVAL(inbuf, smb_nt_TotalDataCount);
2823         uint32 parameter_count = IVAL(inbuf,smb_nt_ParameterCount);
2824         uint32 parameter_offset = IVAL(inbuf,smb_nt_ParameterOffset);
2825         uint32 data_count = IVAL(inbuf,smb_nt_DataCount);
2826         uint32 data_offset = IVAL(inbuf,smb_nt_DataOffset);
2827         uint16 setup_count = 2*CVAL(inbuf,smb_nt_SetupCount); /* setup count is in *words* */
2828         uint16 function_code = SVAL( inbuf, smb_nt_Function);
2829         char *params = NULL, *data = NULL, *setup = NULL;
2830         uint32 num_params_sofar, num_data_sofar;
2831         START_PROFILE(SMBnttrans);
2832
2833         if(global_oplock_break &&
2834                         ((function_code == NT_TRANSACT_CREATE) ||
2835                          (function_code == NT_TRANSACT_RENAME))) {
2836                 /*
2837                  * Queue this open message as we are the process of an oplock break.
2838                  */
2839
2840                 DEBUG(2,("reply_nttrans: queueing message code 0x%x \
2841 due to being in oplock break state.\n", (unsigned int)function_code ));
2842
2843                 push_oplock_pending_smb_message( inbuf, length);
2844                 END_PROFILE(SMBnttrans);
2845                 return -1;
2846         }
2847
2848         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2849                 END_PROFILE(SMBnttrans);
2850                 return ERROR_DOS(ERRSRV,ERRaccess);
2851         }
2852
2853         outsize = set_message(outbuf,0,0,True);
2854
2855         /*
2856          * All nttrans messages we handle have smb_wct == 19 + setup_count.
2857          * Ensure this is so as a sanity check.
2858          */
2859
2860         if(CVAL(inbuf, smb_wct) != 19 + (setup_count/2)) {
2861                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2862                         CVAL(inbuf, smb_wct), 19 + (setup_count/2)));
2863                 goto bad_param;
2864         }
2865
2866         /* Don't allow more than 128mb for each value. */
2867         if ((total_parameter_count > (1024*1024*128)) || (total_data_count > (1024*1024*128))) {
2868                 END_PROFILE(SMBnttrans);
2869                 return ERROR_DOS(ERRDOS,ERRnomem);
2870         }
2871
2872         /* Allocate the space for the setup, the maximum needed parameters and data */
2873
2874         if(setup_count > 0)
2875                 setup = (char *)SMB_MALLOC(setup_count);
2876         if (total_parameter_count > 0)
2877                 params = (char *)SMB_MALLOC(total_parameter_count);
2878         if (total_data_count > 0)
2879                 data = (char *)SMB_MALLOC(total_data_count);
2880
2881         if ((total_parameter_count && !params)  || (total_data_count && !data) ||
2882                                 (setup_count && !setup)) {
2883                 SAFE_FREE(setup);
2884                 SAFE_FREE(params);
2885                 SAFE_FREE(data);
2886                 DEBUG(0,("reply_nttrans : Out of memory\n"));
2887                 END_PROFILE(SMBnttrans);
2888                 return ERROR_DOS(ERRDOS,ERRnomem);
2889         }
2890
2891         /* Copy the param and data bytes sent with this request into the params buffer */
2892         num_params_sofar = parameter_count;
2893         num_data_sofar = data_count;
2894
2895         if (parameter_count > total_parameter_count || data_count > total_data_count)
2896                 goto bad_param;
2897
2898         if(setup) {
2899                 DEBUG(10,("reply_nttrans: setup_count = %d\n", setup_count));
2900                 if ((smb_nt_SetupStart + setup_count < smb_nt_SetupStart) ||
2901                                 (smb_nt_SetupStart + setup_count < setup_count))
2902                         goto bad_param;
2903                 if (smb_nt_SetupStart + setup_count > length)
2904                         goto bad_param;
2905
2906                 memcpy( setup, &inbuf[smb_nt_SetupStart], setup_count);
2907                 dump_data(10, setup, setup_count);
2908         }
2909         if(params) {
2910                 DEBUG(10,("reply_nttrans: parameter_count = %d\n", parameter_count));
2911                 if ((parameter_offset + parameter_count < parameter_offset) ||
2912                                 (parameter_offset + parameter_count < parameter_count))
2913                         goto bad_param;
2914                 if ((smb_base(inbuf) + parameter_offset + parameter_count > inbuf + length)||
2915                                 (smb_base(inbuf) + parameter_offset + parameter_count < smb_base(inbuf)))
2916                         goto bad_param;
2917
2918                 memcpy( params, smb_base(inbuf) + parameter_offset, parameter_count);
2919                 dump_data(10, params, parameter_count);
2920         }
2921         if(data) {
2922                 DEBUG(10,("reply_nttrans: data_count = %d\n",data_count));
2923                 if ((data_offset + data_count < data_offset) || (data_offset + data_count < data_count))
2924                         goto bad_param;
2925                 if ((smb_base(inbuf) + data_offset + data_count > inbuf + length) ||
2926                                 (smb_base(inbuf) + data_offset + data_count < smb_base(inbuf)))
2927                         goto bad_param;
2928
2929                 memcpy( data, smb_base(inbuf) + data_offset, data_count);
2930                 dump_data(10, data, data_count);
2931         }
2932
2933         srv_signing_trans_start(SVAL(inbuf,smb_mid));
2934
2935         if(num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
2936                 /* We need to send an interim response then receive the rest
2937                         of the parameter/data bytes */
2938                 outsize = set_message(outbuf,0,0,True);
2939                 srv_signing_trans_stop();
2940                 if (!send_smb(smbd_server_fd(),outbuf))
2941                         exit_server("reply_nttrans: send_smb failed.");
2942
2943                 while( num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
2944                         BOOL ret;
2945                         uint32 parameter_displacement;
2946                         uint32 data_displacement;
2947
2948                         ret = receive_next_smb(inbuf,bufsize,SMB_SECONDARY_WAIT);
2949
2950                         /*
2951                          * The sequence number for the trans reply is always
2952                          * based on the last secondary received.
2953                          */
2954
2955                         srv_signing_trans_start(SVAL(inbuf,smb_mid));
2956
2957                         if((ret && (CVAL(inbuf, smb_com) != SMBnttranss)) || !ret) {
2958                                 outsize = set_message(outbuf,0,0,True);
2959                                 if(ret) {
2960                                         DEBUG(0,("reply_nttrans: Invalid secondary nttrans packet\n"));
2961                                 } else {
2962                                         DEBUG(0,("reply_nttrans: %s in getting secondary nttrans response.\n",
2963                                                 (smb_read_error == READ_ERROR) ? "error" : "timeout" ));
2964                                 }
2965                                 goto bad_param;
2966                         }
2967
2968                         /* Revise total_params and total_data in case they have changed downwards */
2969                         if (IVAL(inbuf, smb_nts_TotalParameterCount) < total_parameter_count)
2970                                 total_parameter_count = IVAL(inbuf, smb_nts_TotalParameterCount);
2971                         if (IVAL(inbuf, smb_nts_TotalDataCount) < total_data_count)
2972                                 total_data_count = IVAL(inbuf, smb_nts_TotalDataCount);
2973
2974                         parameter_count = IVAL(inbuf,smb_nts_ParameterCount);
2975                         parameter_offset = IVAL(inbuf, smb_nts_ParameterOffset);
2976                         parameter_displacement = IVAL(inbuf, smb_nts_ParameterDisplacement);
2977                         num_params_sofar += parameter_count;
2978
2979                         data_count = IVAL(inbuf, smb_nts_DataCount);
2980                         data_displacement = IVAL(inbuf, smb_nts_DataDisplacement);
2981                         data_offset = IVAL(inbuf, smb_nts_DataOffset);
2982                         num_data_sofar += data_count;
2983
2984                         if (num_params_sofar > total_parameter_count || num_data_sofar > total_data_count) {
2985                                 DEBUG(0,("reply_nttrans2: data overflow in secondary nttrans packet"));
2986                                 goto bad_param;
2987                         }
2988
2989                         if (parameter_count) {
2990                                 if (parameter_displacement + parameter_count > total_parameter_count)
2991                                         goto bad_param;
2992                                 if ((parameter_displacement + parameter_count < parameter_displacement) ||
2993                                                 (parameter_displacement + parameter_count < parameter_count))
2994                                         goto bad_param;
2995                                 if (parameter_displacement > total_parameter_count)
2996                                         goto bad_param;
2997                                 if ((smb_base(inbuf) + parameter_offset + parameter_count >= inbuf + bufsize) ||
2998                                                 (smb_base(inbuf) + parameter_offset + parameter_count < smb_base(inbuf)))
2999                                         goto bad_param;
3000                                 if (parameter_displacement + params < params)
3001                                         goto bad_param;
3002
3003                                 memcpy( &params[parameter_displacement], smb_base(inbuf) + parameter_offset, parameter_count);
3004                         }
3005
3006                         if (data_count) {
3007                                 if (data_displacement + data_count > total_data_count)
3008                                         goto bad_param;
3009                                 if ((data_displacement + data_count < data_displacement) ||
3010                                                 (data_displacement + data_count < data_count))
3011                                         goto bad_param;
3012                                 if (data_displacement > total_data_count)
3013                                         goto bad_param;
3014                                 if ((smb_base(inbuf) + data_offset + data_count >= inbuf + bufsize) ||
3015                                                 (smb_base(inbuf) + data_offset + data_count < smb_base(inbuf)))
3016                                         goto bad_param;
3017                                 if (data_displacement + data < data)
3018                                         goto bad_param;
3019
3020                                 memcpy( &data[data_displacement], smb_base(inbuf)+ data_offset, data_count);
3021                         }
3022                 }
3023         }
3024
3025         if (Protocol >= PROTOCOL_NT1)
3026                 SSVAL(outbuf,smb_flg2,SVAL(outbuf,smb_flg2) | FLAGS2_IS_LONG_NAME);
3027
3028         /* Now we must call the relevant NT_TRANS function */
3029         switch(function_code) {
3030                 case NT_TRANSACT_CREATE:
3031                         START_PROFILE_NESTED(NT_transact_create);
3032                         outsize = call_nt_transact_create(conn, inbuf, outbuf,
3033                                                         length, bufsize,
3034                                                         &setup, setup_count,
3035                                                         &params, total_parameter_count,
3036                                                         &data, total_data_count, max_data_count);
3037                         END_PROFILE_NESTED(NT_transact_create);
3038                         break;
3039                 case NT_TRANSACT_IOCTL:
3040                         START_PROFILE_NESTED(NT_transact_ioctl);
3041                         outsize = call_nt_transact_ioctl(conn, inbuf, outbuf,
3042                                                          length, bufsize,
3043                                                          &setup, setup_count,
3044                                                          &params, total_parameter_count,
3045                                                          &data, total_data_count, max_data_count);
3046                         END_PROFILE_NESTED(NT_transact_ioctl);
3047                         break;
3048                 case NT_TRANSACT_SET_SECURITY_DESC:
3049                         START_PROFILE_NESTED(NT_transact_set_security_desc);
3050                         outsize = call_nt_transact_set_security_desc(conn, inbuf, outbuf,
3051                                                          length, bufsize,
3052                                                          &setup, setup_count,
3053                                                          &params, total_parameter_count,
3054                                                          &data, total_data_count, max_data_count);
3055                         END_PROFILE_NESTED(NT_transact_set_security_desc);
3056                         break;
3057                 case NT_TRANSACT_NOTIFY_CHANGE:
3058                         START_PROFILE_NESTED(NT_transact_notify_change);
3059                         outsize = call_nt_transact_notify_change(conn, inbuf, outbuf,
3060                                                          length, bufsize,
3061                                                          &setup, setup_count,
3062                                                          &params, total_parameter_count,
3063                                                          &data, total_data_count, max_data_count);
3064                         END_PROFILE_NESTED(NT_transact_notify_change);
3065                         break;
3066                 case NT_TRANSACT_RENAME:
3067                         START_PROFILE_NESTED(NT_transact_rename);
3068                         outsize = call_nt_transact_rename(conn, inbuf, outbuf,
3069                                                          length, bufsize,
3070                                                          &setup, setup_count,
3071                                                          &params, total_parameter_count,
3072                                                          &data, total_data_count, max_data_count);
3073                         END_PROFILE_NESTED(NT_transact_rename);
3074                         break;
3075
3076                 case NT_TRANSACT_QUERY_SECURITY_DESC:
3077                         START_PROFILE_NESTED(NT_transact_query_security_desc);
3078                         outsize = call_nt_transact_query_security_desc(conn, inbuf, outbuf,
3079                                                          length, bufsize,
3080                                                          &setup, setup_count,
3081                                                          &params, total_parameter_count,
3082                                                          &data, total_data_count, max_data_count);
3083                         END_PROFILE_NESTED(NT_transact_query_security_desc);
3084                         break;
3085 #ifdef HAVE_SYS_QUOTAS
3086                 case NT_TRANSACT_GET_USER_QUOTA:
3087                         START_PROFILE_NESTED(NT_transact_get_user_quota);
3088                         outsize = call_nt_transact_get_user_quota(conn, inbuf, outbuf,
3089                                                          length, bufsize,
3090                                                          &setup, setup_count,
3091                                                          &params, total_parameter_count,
3092                                                          &data, total_data_count, max_data_count);
3093                         END_PROFILE_NESTED(NT_transact_get_user_quota);
3094                         break;
3095                 case NT_TRANSACT_SET_USER_QUOTA:
3096                         START_PROFILE_NESTED(NT_transact_set_user_quota);
3097                         outsize = call_nt_transact_set_user_quota(conn, inbuf, outbuf,
3098                                                          length, bufsize,
3099                                                          &setup, setup_count,
3100                                                          &params, total_parameter_count,
3101                                                          &data, total_data_count, max_data_count);
3102                         END_PROFILE_NESTED(NT_transact_set_user_quota);
3103                         break;
3104 #endif /* HAVE_SYS_QUOTAS */
3105                 default:
3106                         /* Error in request */
3107                         DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n", function_code));
3108                         SAFE_FREE(setup);
3109                         SAFE_FREE(params);
3110                         SAFE_FREE(data);
3111                         END_PROFILE(SMBnttrans);
3112                         srv_signing_trans_stop();
3113                         return ERROR_DOS(ERRSRV,ERRerror);
3114         }
3115
3116         /* As we do not know how many data packets will need to be
3117                 returned here the various call_nt_transact_xxxx calls
3118                 must send their own. Thus a call_nt_transact_xxxx routine only
3119                 returns a value other than -1 when it wants to send
3120                 an error packet.
3121         */
3122
3123         srv_signing_trans_stop();
3124
3125         SAFE_FREE(setup);
3126         SAFE_FREE(params);
3127         SAFE_FREE(data);
3128         END_PROFILE(SMBnttrans);
3129         return outsize; /* If a correct response was needed the call_nt_transact_xxxx
3130                                 calls have already sent it. If outsize != -1 then it is
3131                                 returning an error packet. */
3132
3133  bad_param:
3134
3135         srv_signing_trans_stop();
3136         SAFE_FREE(params);
3137         SAFE_FREE(data);
3138         SAFE_FREE(setup);
3139         END_PROFILE(SMBnttrans);
3140         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3141 }