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 int 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         NULL
  44 };
  45
  46 /* Map generic permissions to file object specific permissions */
  47
  48 struct generic_mapping file_generic_mapping = {
  49         FILE_GENERIC_READ,
  50         FILE_GENERIC_WRITE,
  51         FILE_GENERIC_EXECUTE,
  52         FILE_GENERIC_ALL
  53 };
  54
  55 static char *nttrans_realloc(char **ptr, size_t size)
  56 {
  57         char *tptr = NULL;
  58         if (ptr==NULL)
  59                 smb_panic("nttrans_realloc() called with NULL ptr\n");
  60
  61         tptr = Realloc_zero(*ptr, size);
  62         if(tptr == NULL) {
  63                 *ptr = NULL;
  64                 return NULL;
  65         }
  66
  67         *ptr = tptr;
  68
  69         return tptr;
  70 }
  71
  72
  73 /****************************************************************************
  74  Send the required number of replies back.
  75  We assume all fields other than the data fields are
  76  set correctly for the type of call.
  77  HACK ! Always assumes smb_setup field is zero.
  78 ****************************************************************************/
  79
  80 static int send_nt_replies(char *inbuf, char *outbuf, int bufsize, NTSTATUS nt_error, char *params,
  81                            int paramsize, char *pdata, int datasize)
  82 {
  83         extern int max_send;
  84         int data_to_send = datasize;
  85         int params_to_send = paramsize;
  86         int useable_space;
  87         char *pp = params;
  88         char *pd = pdata;
  89         int params_sent_thistime, data_sent_thistime, total_sent_thistime;
  90         int alignment_offset = 3;
  91         int data_alignment_offset = 0;
  92
  93         /*
  94          * Initially set the wcnt area to be 18 - this is true for all
  95          * transNT replies.
  96          */
  97
  98         set_message(outbuf,18,0,True);
  99
 100         if (NT_STATUS_V(nt_error))
 101                 ERROR_NT(nt_error);
 102
 103         /*
 104          * If there genuinely are no parameters or data to send just send
 105          * the empty packet.
 106          */
 107
 108         if(params_to_send == 0 && data_to_send == 0) {
 109                 if (!send_smb(smbd_server_fd(),outbuf))
 110                         exit_server("send_nt_replies: send_smb failed.");
 111                 return 0;
 112         }
 113
 114         /*
 115          * When sending params and data ensure that both are nicely aligned.
 116          * Only do this alignment when there is also data to send - else
 117          * can cause NT redirector problems.
 118          */
 119
 120         if (((params_to_send % 4) != 0) && (data_to_send != 0))
 121                 data_alignment_offset = 4 - (params_to_send % 4);
 122
 123         /*
 124          * Space is bufsize minus Netbios over TCP header minus SMB header.
 125          * The alignment_offset is to align the param bytes on a four byte
 126          * boundary (2 bytes for data len, one byte pad).
 127          * NT needs this to work correctly.
 128          */
 129
 130         useable_space = bufsize - ((smb_buf(outbuf)+
 131                                 alignment_offset+data_alignment_offset) -
 132                                 outbuf);
 133
 134         /*
 135          * useable_space can never be more than max_send minus the
 136          * alignment offset.
 137          */
 138
 139         useable_space = MIN(useable_space,
 140                                 max_send - (alignment_offset+data_alignment_offset));
 141
 142
 143         while (params_to_send || data_to_send) {
 144
 145                 /*
 146                  * Calculate whether we will totally or partially fill this packet.
 147                  */
 148
 149                 total_sent_thistime = params_to_send + data_to_send +
 150                                         alignment_offset + data_alignment_offset;
 151
 152                 /*
 153                  * We can never send more than useable_space.
 154                  */
 155
 156                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
 157
 158                 set_message(outbuf, 18, total_sent_thistime, True);
 159
 160                 /*
 161                  * Set total params and data to be sent.
 162                  */
 163
 164                 SIVAL(outbuf,smb_ntr_TotalParameterCount,paramsize);
 165                 SIVAL(outbuf,smb_ntr_TotalDataCount,datasize);
 166
 167                 /*
 168                  * Calculate how many parameters and data we can fit into
 169                  * this packet. Parameters get precedence.
 170                  */
 171
 172                 params_sent_thistime = MIN(params_to_send,useable_space);
 173                 data_sent_thistime = useable_space - params_sent_thistime;
 174                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
 175
 176                 SIVAL(outbuf,smb_ntr_ParameterCount,params_sent_thistime);
 177
 178                 if(params_sent_thistime == 0) {
 179                         SIVAL(outbuf,smb_ntr_ParameterOffset,0);
 180                         SIVAL(outbuf,smb_ntr_ParameterDisplacement,0);
 181                 } else {
 182                         /*
 183                          * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
 184                          * parameter bytes, however the first 4 bytes of outbuf are
 185                          * the Netbios over TCP header. Thus use smb_base() to subtract
 186                          * them from the calculation.
 187                          */
 188
 189                         SIVAL(outbuf,smb_ntr_ParameterOffset,
 190                                 ((smb_buf(outbuf)+alignment_offset) - smb_base(outbuf)));
 191                         /*
 192                          * Absolute displacement of param bytes sent in this packet.
 193                          */
 194
 195                         SIVAL(outbuf,smb_ntr_ParameterDisplacement,pp - params);
 196                 }
 197
 198                 /*
 199                  * Deal with the data portion.
 200                  */
 201
 202                 SIVAL(outbuf,smb_ntr_DataCount, data_sent_thistime);
 203
 204                 if(data_sent_thistime == 0) {
 205                         SIVAL(outbuf,smb_ntr_DataOffset,0);
 206                         SIVAL(outbuf,smb_ntr_DataDisplacement, 0);
 207                 } else {
 208                         /*
 209                          * The offset of the data bytes is the offset of the
 210                          * parameter bytes plus the number of parameters being sent this time.
 211                          */
 212
 213                         SIVAL(outbuf,smb_ntr_DataOffset,((smb_buf(outbuf)+alignment_offset) -
 214                                 smb_base(outbuf)) + params_sent_thistime + data_alignment_offset);
 215                                 SIVAL(outbuf,smb_ntr_DataDisplacement, pd - pdata);
 216                 }
 217
 218                 /*
 219                  * Copy the param bytes into the packet.
 220                  */
 221
 222                 if(params_sent_thistime)
 223                         memcpy((smb_buf(outbuf)+alignment_offset),pp,params_sent_thistime);
 224
 225                 /*
 226                  * Copy in the data bytes
 227                  */
 228
 229                 if(data_sent_thistime)
 230                         memcpy(smb_buf(outbuf)+alignment_offset+params_sent_thistime+
 231                                 data_alignment_offset,pd,data_sent_thistime);
 232
 233                 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
 234                         params_sent_thistime, data_sent_thistime, useable_space));
 235                 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
 236                         params_to_send, data_to_send, paramsize, datasize));
 237
 238                 /* Send the packet */
 239                 if (!send_smb(smbd_server_fd(),outbuf))
 240                         exit_server("send_nt_replies: send_smb failed.");
 241
 242                 pp += params_sent_thistime;
 243                 pd += data_sent_thistime;
 244
 245                 params_to_send -= params_sent_thistime;
 246                 data_to_send -= data_sent_thistime;
 247
 248                 /*
 249                  * Sanity check
 250                  */
 251
 252                 if(params_to_send < 0 || data_to_send < 0) {
 253                         DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
 254                                 params_to_send, data_to_send));
 255                         return -1;
 256                 }
 257         }
 258
 259         return 0;
 260 }
 261
 262 /****************************************************************************
 263  Save case statics.
 264 ****************************************************************************/
 265
 266 static BOOL saved_case_sensitive;
 267 static BOOL saved_case_preserve;
 268 static BOOL saved_short_case_preserve;
 269
 270 /****************************************************************************
 271  Save case semantics.
 272 ****************************************************************************/
 273
 274 static void set_posix_case_semantics(connection_struct *conn, uint32 file_attributes)
 275 {
 276         if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS))
 277                 return;
 278
 279         saved_case_sensitive = conn->case_sensitive;
 280         saved_case_preserve = conn->case_preserve;
 281         saved_short_case_preserve = conn->short_case_preserve;
 282
 283         /* Set to POSIX. */
 284         conn->case_sensitive = True;
 285         conn->case_preserve = True;
 286         conn->short_case_preserve = True;
 287 }
 288
 289 /****************************************************************************
 290  Restore case semantics.
 291 ****************************************************************************/
 292
 293 static void restore_case_semantics(connection_struct *conn, uint32 file_attributes)
 294 {
 295         if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS))
 296                 return;
 297
 298         conn->case_sensitive = saved_case_sensitive;
 299         conn->case_preserve = saved_case_preserve;
 300         conn->short_case_preserve = saved_short_case_preserve;
 301 }
 302
 303 /****************************************************************************
 304  Utility function to map create disposition.
 305 ****************************************************************************/
 306
 307 static int map_create_disposition( uint32 create_disposition)
 308 {
 309         int ret;
 310
 311         switch( create_disposition ) {
 312                 case FILE_CREATE:
 313                         /* create if not exist, fail if exist */
 314                         ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_FAIL);
 315                         break;
 316                 case FILE_SUPERSEDE:
 317                 case FILE_OVERWRITE_IF:
 318                         /* create if not exist, trunc if exist */
 319                         ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE);
 320                         break;
 321                 case FILE_OPEN:
 322                         /* fail if not exist, open if exists */
 323                         ret = (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN);
 324                         break;
 325                 case FILE_OPEN_IF:
 326                         /* create if not exist, open if exists */
 327                         ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_OPEN);
 328                         break;
 329                 case FILE_OVERWRITE:
 330                         /* fail if not exist, truncate if exists */
 331                         ret = (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE);
 332                         break;
 333                 default:
 334                         DEBUG(0,("map_create_disposition: Incorrect value for create_disposition = %d\n",
 335                                 create_disposition ));
 336                         return -1;
 337         }
 338
 339         DEBUG(10,("map_create_disposition: Mapped create_disposition 0x%lx to 0x%x\n",
 340                         (unsigned long)create_disposition, ret ));
 341
 342         return ret;
 343 }
 344
 345 /****************************************************************************
 346  Utility function to map share modes.
 347 ****************************************************************************/
 348
 349 static int map_share_mode( char *fname, uint32 create_options,
 350                         uint32 *desired_access, uint32 share_access, uint32 file_attributes)
 351 {
 352         int smb_open_mode = -1;
 353         uint32 original_desired_access = *desired_access;
 354
 355         /*
 356          * Convert GENERIC bits to specific bits.
 357          */
 358
 359         se_map_generic(desired_access, &file_generic_mapping);
 360
 361         switch( *desired_access & (FILE_READ_DATA|FILE_WRITE_DATA|FILE_APPEND_DATA) ) {
 362                 case FILE_READ_DATA:
 363                         smb_open_mode = DOS_OPEN_RDONLY;
 364                         break;
 365                 case FILE_WRITE_DATA:
 366                 case FILE_APPEND_DATA:
 367                 case FILE_WRITE_DATA|FILE_APPEND_DATA:
 368                         smb_open_mode = DOS_OPEN_WRONLY;
 369                         break;
 370                 case FILE_READ_DATA|FILE_WRITE_DATA:
 371                 case FILE_READ_DATA|FILE_WRITE_DATA|FILE_APPEND_DATA:
 372                 case FILE_READ_DATA|FILE_APPEND_DATA:
 373                         smb_open_mode = DOS_OPEN_RDWR;
 374                         break;
 375         }
 376
 377         /*
 378          * NB. For DELETE_ACCESS we should really check the
 379          * directory permissions, as that is what controls
 380          * delete, and for WRITE_DAC_ACCESS we should really
 381          * check the ownership, as that is what controls the
 382          * chmod. Note that this is *NOT* a security hole (this
 383          * note is for you, Andrew) as we are not *allowing*
 384          * the access at this point, the actual unlink or
 385          * chown or chmod call would do this. We are just helping
 386          * clients out by telling them if they have a hope
 387          * of any of this succeeding. POSIX acls may still
 388          * deny the real call. JRA.
 389          */
 390
 391         if (smb_open_mode == -1) {
 392
 393                 if(*desired_access & (DELETE_ACCESS|WRITE_DAC_ACCESS|WRITE_OWNER_ACCESS|SYNCHRONIZE_ACCESS|
 394                                         FILE_EXECUTE|FILE_READ_ATTRIBUTES|
 395                                         FILE_READ_EA|FILE_WRITE_EA|SYSTEM_SECURITY_ACCESS|
 396                                         FILE_WRITE_ATTRIBUTES|READ_CONTROL_ACCESS)) {
 397                         smb_open_mode = DOS_OPEN_RDONLY;
 398                 } else if(*desired_access == 0) {
 399
 400                         /*
 401                          * JRA - NT seems to sometimes send desired_access as zero. play it safe
 402                          * and map to a stat open.
 403                          */
 404
 405                         smb_open_mode = DOS_OPEN_RDONLY;
 406
 407                 } else {
 408                         DEBUG(0,("map_share_mode: Incorrect value 0x%lx for desired_access to file %s\n",
 409                                 (unsigned long)*desired_access, fname));
 410                         return -1;
 411                 }
 412         }
 413
 414         /*
 415          * Set the special bit that means allow share delete.
 416          * This is held outside the normal share mode bits at 1<<15.
 417          * JRA.
 418          */
 419
 420         if(share_access & FILE_SHARE_DELETE) {
 421                 smb_open_mode |= ALLOW_SHARE_DELETE;
 422                 DEBUG(10,("map_share_mode: FILE_SHARE_DELETE requested. open_mode = 0x%x\n", smb_open_mode));
 423         }
 424
 425         if(*desired_access & DELETE_ACCESS) {
 426                 DEBUG(10,("map_share_mode: DELETE_ACCESS requested. open_mode = 0x%x\n", smb_open_mode));
 427         }
 428
 429         /*
 430          * We need to store the intent to open for Delete. This
 431          * is what determines if a delete on close flag can be set.
 432          * This is the wrong way (and place) to store this, but for 2.2 this
 433          * is the only practical way. JRA.
 434          */
 435
 436         if (create_options & FILE_DELETE_ON_CLOSE) {
 437                 /*
 438                  * W2K3 bug compatibility mode... To set delete on close
 439                  * the redirector must have *specifically* set DELETE_ACCESS
 440                  * in the desired_access field. Just asking for GENERIC_ALL won't do. JRA.
 441                  */
 442
 443                 if (!(original_desired_access & DELETE_ACCESS)) {
 444                         DEBUG(5,("map_share_mode: FILE_DELETE_ON_CLOSE requested without \
 445 DELETE_ACCESS for file %s. (desired_access = 0x%lx)\n",
 446                                 fname, (unsigned long)*desired_access));
 447                         return -1;
 448                 }
 449                 /* Implicit delete access is *NOT* requested... */
 450                 smb_open_mode |= DELETE_ON_CLOSE_FLAG;
 451                 DEBUG(10,("map_share_mode: FILE_DELETE_ON_CLOSE requested. open_mode = 0x%x\n", smb_open_mode));
 452         }
 453
 454         /* Add in the requested share mode. */
 455         switch( share_access & (FILE_SHARE_READ|FILE_SHARE_WRITE)) {
 456                 case FILE_SHARE_READ:
 457                         smb_open_mode |= SET_DENY_MODE(DENY_WRITE);
 458                         break;
 459                 case FILE_SHARE_WRITE:
 460                         smb_open_mode |= SET_DENY_MODE(DENY_READ);
 461                         break;
 462                 case (FILE_SHARE_READ|FILE_SHARE_WRITE):
 463                         smb_open_mode |= SET_DENY_MODE(DENY_NONE);
 464                         break;
 465                 case FILE_SHARE_NONE:
 466                         smb_open_mode |= SET_DENY_MODE(DENY_ALL);
 467                         break;
 468         }
 469
 470         /*
 471          * Handle an O_SYNC request.
 472          */
 473
 474         if(file_attributes & FILE_FLAG_WRITE_THROUGH)
 475                 smb_open_mode |= FILE_SYNC_OPENMODE;
 476
 477         DEBUG(10,("map_share_mode: Mapped desired access 0x%lx, share access 0x%lx, file attributes 0x%lx \
 478 to open_mode 0x%x\n", (unsigned long)*desired_access, (unsigned long)share_access,
 479                 (unsigned long)file_attributes, smb_open_mode ));
 480
 481         return smb_open_mode;
 482 }
 483
 484 /****************************************************************************
 485  Reply to an NT create and X call on a pipe.
 486 ****************************************************************************/
 487
 488 static int nt_open_pipe(char *fname, connection_struct *conn,
 489                         char *inbuf, char *outbuf, int *ppnum)
 490 {
 491         smb_np_struct *p = NULL;
 492
 493         uint16 vuid = SVAL(inbuf, smb_uid);
 494         int i;
 495
 496         DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
 497
 498         /* See if it is one we want to handle. */
 499
 500         if (lp_disable_spoolss() && strequal(fname, "\\spoolss"))
 501                 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
 502
 503         for( i = 0; known_nt_pipes[i]; i++ )
 504                 if( strequal(fname,known_nt_pipes[i]))
 505                         break;
 506
 507         if ( known_nt_pipes[i] == NULL )
 508                 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
 509
 510         /* Strip \\ off the name. */
 511         fname++;
 512
 513         DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
 514
 515         p = open_rpc_pipe_p(fname, conn, vuid);
 516         if (!p)
 517                 return(ERROR_DOS(ERRSRV,ERRnofids));
 518
 519         *ppnum = p->pnum;
 520
 521         return 0;
 522 }
 523
 524 /****************************************************************************
 525  Reply to an NT create and X call for pipes.
 526 ****************************************************************************/
 527
 528 static int do_ntcreate_pipe_open(connection_struct *conn,
 529                          char *inbuf,char *outbuf,int length,int bufsize)
 530 {
 531         pstring fname;
 532         int ret;
 533         int pnum = -1;
 534         char *p = NULL;
 535
 536         srvstr_pull_buf(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE);
 537
 538         if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0)
 539                 return ret;
 540
 541         /*
 542          * Deal with pipe return.
 543          */
 544
 545         set_message(outbuf,34,0,True);
 546
 547         p = outbuf + smb_vwv2;
 548         p++;
 549         SSVAL(p,0,pnum);
 550         p += 2;
 551         SIVAL(p,0,FILE_WAS_OPENED);
 552         p += 4;
 553         p += 32;
 554         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 555         p += 20;
 556         /* File type. */
 557         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 558         /* Device state. */
 559         SSVAL(p,2, 0x5FF); /* ? */
 560
 561         DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
 562
 563         return chain_reply(inbuf,outbuf,length,bufsize);
 564 }
 565
 566 /****************************************************************************
 567  Reply to an NT create and X call.
 568 ****************************************************************************/
 569
 570 int reply_ntcreate_and_X(connection_struct *conn,
 571                          char *inbuf,char *outbuf,int length,int bufsize)
 572 {
 573         int result;
 574         pstring fname;
 575         enum FAKE_FILE_TYPE fake_file_type = FAKE_FILE_TYPE_NONE;
 576         uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
 577         uint32 desired_access = IVAL(inbuf,smb_ntcreate_DesiredAccess);
 578         uint32 file_attributes = IVAL(inbuf,smb_ntcreate_FileAttributes);
 579         uint32 share_access = IVAL(inbuf,smb_ntcreate_ShareAccess);
 580         uint32 create_disposition = IVAL(inbuf,smb_ntcreate_CreateDisposition);
 581         uint32 create_options = IVAL(inbuf,smb_ntcreate_CreateOptions);
 582         uint16 root_dir_fid = (uint16)IVAL(inbuf,smb_ntcreate_RootDirectoryFid);
 583         SMB_BIG_UINT allocation_size = 0;
 584         int smb_ofun;
 585         int smb_open_mode;
 586         /* Breakout the oplock request bits so we can set the
 587            reply bits separately. */
 588         int oplock_request = 0;
 589         int fmode=0,rmode=0;
 590         SMB_OFF_T file_len = 0;
 591         SMB_STRUCT_STAT sbuf;
 592         int smb_action = 0;
 593         BOOL bad_path = False;
 594         files_struct *fsp=NULL;
 595         char *p = NULL;
 596         time_t c_time;
 597         BOOL extended_oplock_granted = False;
 598         NTSTATUS status;
 599
 600         START_PROFILE(SMBntcreateX);
 601
 602         DEBUG(10,("reply_ntcreateX: flags = 0x%x, desired_access = 0x%x \
 603 file_attributes = 0x%x, share_access = 0x%x, create_disposition = 0x%x \
 604 create_options = 0x%x root_dir_fid = 0x%x\n", flags, desired_access, file_attributes,
 605                         share_access, create_disposition,
 606                         create_options, root_dir_fid ));
 607
 608         /* If it's an IPC, use the pipe handler. */
 609
 610         if (IS_IPC(conn)) {
 611                 if (lp_nt_pipe_support()) {
 612                         END_PROFILE(SMBntcreateX);
 613                         return do_ntcreate_pipe_open(conn,inbuf,outbuf,length,bufsize);
 614                 } else {
 615                         END_PROFILE(SMBntcreateX);
 616                         return(ERROR_DOS(ERRDOS,ERRnoaccess));
 617                 }
 618         }
 619
 620         if (create_options & FILE_OPEN_BY_FILE_ID) {
 621                 END_PROFILE(SMBntcreateX);
 622                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
 623         }
 624
 625         /*
 626          * We need to construct the open_and_X ofun value from the
 627          * NT values, as that's what our code is structured to accept.
 628          */
 629
 630         if((smb_ofun = map_create_disposition( create_disposition )) == -1) {
 631                 END_PROFILE(SMBntcreateX);
 632                 return(ERROR_DOS(ERRDOS,ERRnoaccess));
 633         }
 634
 635         /*
 636          * Get the file name.
 637          */
 638
 639         if(root_dir_fid != 0) {
 640                 /*
 641                  * This filename is relative to a directory fid.
 642                  */
 643                 pstring rel_fname;
 644                 files_struct *dir_fsp = file_fsp(inbuf,smb_ntcreate_RootDirectoryFid);
 645                 size_t dir_name_len;
 646
 647                 if(!dir_fsp) {
 648                         END_PROFILE(SMBntcreateX);
 649                         return(ERROR_DOS(ERRDOS,ERRbadfid));
 650                 }
 651
 652                 if(!dir_fsp->is_directory) {
 653
 654                         srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status,False);
 655                         if (!NT_STATUS_IS_OK(status)) {
 656                                 END_PROFILE(SMBntcreateX);
 657                                 return ERROR_NT(status);
 658                         }
 659
 660                         /*
 661                          * Check to see if this is a mac fork of some kind.
 662                          */
 663
 664                         if( strchr_m(fname, ':')) {
 665                                 END_PROFILE(SMBntcreateX);
 666                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 667                         }
 668
 669                         /*
 670                           we need to handle the case when we get a
 671                           relative open relative to a file and the
 672                           pathname is blank - this is a reopen!
 673                           (hint from demyn plantenberg)
 674                         */
 675
 676                         END_PROFILE(SMBntcreateX);
 677                         return(ERROR_DOS(ERRDOS,ERRbadfid));
 678                 }
 679
 680                 /*
 681                  * Copy in the base directory name.
 682                  */
 683
 684                 pstrcpy( fname, dir_fsp->fsp_name );
 685                 dir_name_len = strlen(fname);
 686
 687                 /*
 688                  * Ensure it ends in a '\'.
 689                  */
 690
 691                 if(fname[dir_name_len-1] != '\\' && fname[dir_name_len-1] != '/') {
 692                         pstrcat(fname, "/");
 693                         dir_name_len++;
 694                 }
 695
 696                 srvstr_get_path(inbuf, rel_fname, smb_buf(inbuf), sizeof(rel_fname), 0, STR_TERMINATE, &status,False);
 697                 if (!NT_STATUS_IS_OK(status)) {
 698                         END_PROFILE(SMBntcreateX);
 699                         return ERROR_NT(status);
 700                 }
 701                 pstrcat(fname, rel_fname);
 702         } else {
 703                 srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status,False);
 704                 if (!NT_STATUS_IS_OK(status)) {
 705                         END_PROFILE(SMBntcreateX);
 706                         return ERROR_NT(status);
 707                 }
 708
 709                 /*
 710                  * Check to see if this is a mac fork of some kind.
 711                  */
 712
 713                 if( strchr_m(fname, ':')) {
 714
 715 #ifdef HAVE_SYS_QUOTAS
 716                         if ((fake_file_type=is_fake_file(fname))!=FAKE_FILE_TYPE_NONE) {
 717                                 /*
 718                                  * here we go! support for changing the disk quotas --metze
 719                                  *
 720                                  * we need to fake up to open this MAGIC QUOTA file
 721                                  * and return a valid FID
 722                                  *
 723                                  * w2k close this file directly after openening
 724                                  * xp also tries a QUERY_FILE_INFO on the file and then close it
 725                                  */
 726                         } else {
 727 #endif
 728                                 END_PROFILE(SMBntcreateX);
 729                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 730 #ifdef HAVE_SYS_QUOTAS
 731                         }
 732 #endif
 733                 }
 734         }
 735
 736         /*
 737          * Now contruct the smb_open_mode value from the filename,
 738          * desired access and the share access.
 739          */
 740         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
 741
 742         if((smb_open_mode = map_share_mode(fname, create_options, &desired_access,
 743                                            share_access,
 744                                            file_attributes)) == -1) {
 745                 END_PROFILE(SMBntcreateX);
 746                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
 747         }
 748
 749         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 750         if (oplock_request) {
 751                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
 752         }
 753
 754         /*
 755          * Ordinary file or directory.
 756          */
 757
 758         /*
 759          * Check if POSIX semantics are wanted.
 760          */
 761
 762         set_posix_case_semantics(conn, file_attributes);
 763
 764         unix_convert(fname,conn,0,&bad_path,&sbuf);
 765         if (bad_path) {
 766                 restore_case_semantics(conn, file_attributes);
 767                 END_PROFILE(SMBntcreateX);
 768                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 769         }
 770         /* All file access must go through check_name() */
 771         if (!check_name(fname,conn)) {
 772                 restore_case_semantics(conn, file_attributes);
 773                 END_PROFILE(SMBntcreateX);
 774                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRbadpath);
 775         }
 776
 777         /*
 778          * If it's a request for a directory open, deal with it separately.
 779          */
 780
 781         if(create_options & FILE_DIRECTORY_FILE) {
 782                 oplock_request = 0;
 783
 784                 /* Can't open a temp directory. IFS kit test. */
 785                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
 786                         END_PROFILE(SMBntcreateX);
 787                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
 788                 }
 789
 790                 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, &smb_action);
 791
 792                 restore_case_semantics(conn, file_attributes);
 793
 794                 if(!fsp) {
 795                         END_PROFILE(SMBntcreateX);
 796                         return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
 797                 }
 798         } else {
 799                 /*
 800                  * Ordinary file case.
 801                  */
 802
 803                 /* NB. We have a potential bug here. If we
 804                  * cause an oplock break to ourselves, then we
 805                  * could end up processing filename related
 806                  * SMB requests whilst we await the oplock
 807                  * break response. As we may have changed the
 808                  * filename case semantics to be POSIX-like,
 809                  * this could mean a filename request could
 810                  * fail when it should succeed. This is a rare
 811                  * condition, but eventually we must arrange
 812                  * to restore the correct case semantics
 813                  * before issuing an oplock break request to
 814                  * our client. JRA.  */
 815
 816                 if (fake_file_type==FAKE_FILE_TYPE_NONE) {
 817                         fsp = open_file_shared1(conn,fname,&sbuf,
 818                                         desired_access,
 819                                         smb_open_mode,
 820                                         smb_ofun,file_attributes,oplock_request,
 821                                         &rmode,&smb_action);
 822                 } else {
 823                         /* to open a fake_file --metze */
 824                         fsp = open_fake_file_shared1(fake_file_type,conn,fname,&sbuf,
 825                                         desired_access,
 826                                         smb_open_mode,
 827                                         smb_ofun,file_attributes, oplock_request,
 828                                         &rmode,&smb_action);
 829                 }
 830
 831                 if (!fsp) {
 832                         /* We cheat here. There are two cases we
 833                          * care about. One is a directory rename,
 834                          * where the NT client will attempt to
 835                          * open the source directory for
 836                          * DELETE access. Note that when the
 837                          * NT client does this it does *not*
 838                          * set the directory bit in the
 839                          * request packet. This is translated
 840                          * into a read/write open
 841                          * request. POSIX states that any open
 842                          * for write request on a directory
 843                          * will generate an EISDIR error, so
 844                          * we can catch this here and open a
 845                          * pseudo handle that is flagged as a
 846                          * directory. The second is an open
 847                          * for a permissions read only, which
 848                          * we handle in the open_file_stat case. JRA.
 849                          */
 850
 851                         if(errno == EISDIR) {
 852
 853                                 /*
 854                                  * Fail the open if it was explicitly a non-directory file.
 855                                  */
 856
 857                                 if (create_options & FILE_NON_DIRECTORY_FILE) {
 858                                         restore_case_semantics(conn, file_attributes);
 859                                         SSVAL(outbuf, smb_flg2,
 860                                               SVAL(outbuf,smb_flg2) | FLAGS2_32_BIT_ERROR_CODES);
 861                                         END_PROFILE(SMBntcreateX);
 862                                         return ERROR_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
 863                                 }
 864
 865                                 oplock_request = 0;
 866                                 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, &smb_action);
 867
 868                                 if(!fsp) {
 869                                         restore_case_semantics(conn, file_attributes);
 870                                         END_PROFILE(SMBntcreateX);
 871                                         return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
 872                                 }
 873                         } else {
 874
 875                                 restore_case_semantics(conn, file_attributes);
 876                                 END_PROFILE(SMBntcreateX);
 877                                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
 878                                         /* We have re-scheduled this call. */
 879                                         clear_cached_errors();
 880                                         return -1;
 881                                 }
 882                                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
 883                         }
 884                 }
 885         }
 886
 887         restore_case_semantics(conn, file_attributes);
 888
 889         file_len = sbuf.st_size;
 890         fmode = dos_mode(conn,fname,&sbuf);
 891         if(fmode == 0)
 892                 fmode = FILE_ATTRIBUTE_NORMAL;
 893         if (!fsp->is_directory && (fmode & aDIR)) {
 894                 close_file(fsp,False);
 895                 END_PROFILE(SMBntcreateX);
 896                 return ERROR_DOS(ERRDOS,ERRnoaccess);
 897         }
 898
 899         /* Save the requested allocation size. */
 900         allocation_size = (SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize);
 901 #ifdef LARGE_SMB_OFF_T
 902         allocation_size |= (((SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
 903 #endif
 904         if (allocation_size && (allocation_size > (SMB_BIG_UINT)file_len)) {
 905                 fsp->initial_allocation_size = SMB_ROUNDUP(allocation_size,SMB_ROUNDUP_ALLOCATION_SIZE);
 906                 if (fsp->is_directory) {
 907                         close_file(fsp,False);
 908                         END_PROFILE(SMBntcreateX);
 909                         /* Can't set allocation size on a directory. */
 910                         return ERROR_NT(NT_STATUS_ACCESS_DENIED);
 911                 }
 912                 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
 913                         close_file(fsp,False);
 914                         END_PROFILE(SMBntcreateX);
 915                         return ERROR_NT(NT_STATUS_DISK_FULL);
 916                 }
 917         } else {
 918                 fsp->initial_allocation_size = SMB_ROUNDUP(((SMB_BIG_UINT)file_len),SMB_ROUNDUP_ALLOCATION_SIZE);
 919         }
 920
 921         /*
 922          * If the caller set the extended oplock request bit
 923          * and we granted one (by whatever means) - set the
 924          * correct bit for extended oplock reply.
 925          */
 926
 927         if (oplock_request && lp_fake_oplocks(SNUM(conn)))
 928                 extended_oplock_granted = True;
 929
 930         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
 931                 extended_oplock_granted = True;
 932
 933 #if 0
 934         /* W2K sends back 42 words here ! If we do the same it breaks offline sync. Go figure... ? JRA. */
 935         set_message(outbuf,42,0,True);
 936 #else
 937         set_message(outbuf,34,0,True);
 938 #endif
 939
 940         p = outbuf + smb_vwv2;
 941
 942         /*
 943          * Currently as we don't support level II oplocks we just report
 944          * exclusive & batch here.
 945          */
 946
 947         if (extended_oplock_granted) {
 948                 if (flags & REQUEST_BATCH_OPLOCK) {
 949                         SCVAL(p,0, BATCH_OPLOCK_RETURN);
 950                 } else {
 951                         SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
 952                 }
 953         } else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type)) {
 954                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
 955         } else {
 956                 SCVAL(p,0,NO_OPLOCK_RETURN);
 957         }
 958
 959         p++;
 960         SSVAL(p,0,fsp->fnum);
 961         p += 2;
 962         if ((create_disposition == FILE_SUPERSEDE) && (smb_action == FILE_WAS_OVERWRITTEN))
 963                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
 964         else
 965                 SIVAL(p,0,smb_action);
 966         p += 4;
 967
 968         /* Create time. */
 969         c_time = get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
 970
 971         if (lp_dos_filetime_resolution(SNUM(conn))) {
 972                 c_time &= ~1;
 973                 sbuf.st_atime &= ~1;
 974                 sbuf.st_mtime &= ~1;
 975                 sbuf.st_mtime &= ~1;
 976         }
 977
 978         put_long_date(p,c_time);
 979         p += 8;
 980         put_long_date(p,sbuf.st_atime); /* access time */
 981         p += 8;
 982         put_long_date(p,sbuf.st_mtime); /* write time */
 983         p += 8;
 984         put_long_date(p,sbuf.st_mtime); /* change time */
 985         p += 8;
 986         SIVAL(p,0,fmode); /* File Attributes. */
 987         p += 4;
 988         SOFF_T(p, 0, get_allocation_size(fsp,&sbuf));
 989         p += 8;
 990         SOFF_T(p,0,file_len);
 991         p += 8;
 992         if (flags & EXTENDED_RESPONSE_REQUIRED)
 993                 SSVAL(p,2,0x7);
 994         p += 4;
 995         SCVAL(p,0,fsp->is_directory ? 1 : 0);
 996
 997         DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
 998
 999         result = chain_reply(inbuf,outbuf,length,bufsize);
1000         END_PROFILE(SMBntcreateX);
1001         return result;
1002 }
1003
1004 /****************************************************************************
1005  Reply to a NT_TRANSACT_CREATE call to open a pipe.
1006 ****************************************************************************/
1007
1008 static int do_nt_transact_create_pipe( connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1009                                   char **ppsetup, uint32 setup_count,
1010                                   char **ppparams, uint32 parameter_count,
1011                                   char **ppdata, uint32 data_count)
1012 {
1013         pstring fname;
1014         char *params = *ppparams;
1015         int ret;
1016         int pnum = -1;
1017         char *p = NULL;
1018         NTSTATUS status;
1019
1020         /*
1021          * Ensure minimum number of parameters sent.
1022          */
1023
1024         if(parameter_count < 54) {
1025                 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1026                 return ERROR_DOS(ERRDOS,ERRnoaccess);
1027         }
1028
1029         srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status, False);
1030         if (!NT_STATUS_IS_OK(status)) {
1031                 return ERROR_NT(status);
1032         }
1033
1034         if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0)
1035                 return ret;
1036
1037         /* Realloc the size of parameters and data we will return */
1038         params = nttrans_realloc(ppparams, 69);
1039         if(params == NULL)
1040                 return ERROR_DOS(ERRDOS,ERRnomem);
1041
1042         p = params;
1043         SCVAL(p,0,NO_OPLOCK_RETURN);
1044
1045         p += 2;
1046         SSVAL(p,0,pnum);
1047         p += 2;
1048         SIVAL(p,0,FILE_WAS_OPENED);
1049         p += 8;
1050
1051         p += 32;
1052         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
1053         p += 20;
1054         /* File type. */
1055         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
1056         /* Device state. */
1057         SSVAL(p,2, 0x5FF); /* ? */
1058
1059         DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
1060
1061         /* Send the required number of replies */
1062         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
1063
1064         return -1;
1065 }
1066
1067 /****************************************************************************
1068  Internal fn to set security descriptors.
1069 ****************************************************************************/
1070
1071 static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent)
1072 {
1073         prs_struct pd;
1074         SEC_DESC *psd = NULL;
1075         TALLOC_CTX *mem_ctx;
1076         BOOL ret;
1077
1078         if (sd_len == 0) {
1079                 return NT_STATUS_OK;
1080         }
1081
1082         /*
1083          * Init the parse struct we will unmarshall from.
1084          */
1085
1086         if ((mem_ctx = talloc_init("set_sd")) == NULL) {
1087                 DEBUG(0,("set_sd: talloc_init failed.\n"));
1088                 return NT_STATUS_NO_MEMORY;
1089         }
1090
1091         prs_init(&pd, 0, mem_ctx, UNMARSHALL);
1092
1093         /*
1094          * Setup the prs_struct to point at the memory we just
1095          * allocated.
1096          */
1097
1098         prs_give_memory( &pd, data, sd_len, False);
1099
1100         /*
1101          * Finally, unmarshall from the data buffer.
1102          */
1103
1104         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1105                 DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
1106                 /*
1107                  * Return access denied for want of a better error message..
1108                  */
1109                 talloc_destroy(mem_ctx);
1110                 return NT_STATUS_NO_MEMORY;
1111         }
1112
1113         if (psd->off_owner_sid==0)
1114                 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
1115         if (psd->off_grp_sid==0)
1116                 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
1117         if (psd->off_sacl==0)
1118                 security_info_sent &= ~SACL_SECURITY_INFORMATION;
1119         if (psd->off_dacl==0)
1120                 security_info_sent &= ~DACL_SECURITY_INFORMATION;
1121
1122         ret = SMB_VFS_FSET_NT_ACL( fsp, fsp->fd, security_info_sent, psd);
1123
1124         if (!ret) {
1125                 talloc_destroy(mem_ctx);
1126                 return NT_STATUS_ACCESS_DENIED;
1127         }
1128
1129         talloc_destroy(mem_ctx);
1130
1131         return NT_STATUS_OK;
1132 }
1133
1134 /****************************************************************************
1135  Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1136 ****************************************************************************/
1137
1138 static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1139                                   char **ppsetup, uint32 setup_count,
1140                                   char **ppparams, uint32 parameter_count,
1141                                   char **ppdata, uint32 data_count)
1142 {
1143         pstring fname;
1144         char *params = *ppparams;
1145         char *data = *ppdata;
1146         /* Breakout the oplock request bits so we can set the reply bits separately. */
1147         int oplock_request = 0;
1148         int fmode=0,rmode=0;
1149         SMB_OFF_T file_len = 0;
1150         SMB_STRUCT_STAT sbuf;
1151         int smb_action = 0;
1152         BOOL bad_path = False;
1153         files_struct *fsp = NULL;
1154         char *p = NULL;
1155         BOOL extended_oplock_granted = False;
1156         uint32 flags;
1157         uint32 desired_access;
1158         uint32 file_attributes;
1159         uint32 share_access;
1160         uint32 create_disposition;
1161         uint32 create_options;
1162         uint32 sd_len;
1163         uint16 root_dir_fid;
1164         SMB_BIG_UINT allocation_size = 0;
1165         int smb_ofun;
1166         int smb_open_mode;
1167         time_t c_time;
1168         NTSTATUS status;
1169
1170         DEBUG(5,("call_nt_transact_create\n"));
1171
1172         /*
1173          * If it's an IPC, use the pipe handler.
1174          */
1175
1176         if (IS_IPC(conn)) {
1177                 if (lp_nt_pipe_support())
1178                         return do_nt_transact_create_pipe(conn, inbuf, outbuf, length,
1179                                         bufsize,
1180                                         ppsetup, setup_count,
1181                                         ppparams, parameter_count,
1182                                         ppdata, data_count);
1183                 else
1184                         return ERROR_DOS(ERRDOS,ERRnoaccess);
1185         }
1186
1187         /*
1188          * Ensure minimum number of parameters sent.
1189          */
1190
1191         if(parameter_count < 54) {
1192                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1193                 return ERROR_DOS(ERRDOS,ERRnoaccess);
1194         }
1195
1196         flags = IVAL(params,0);
1197         desired_access = IVAL(params,8);
1198         file_attributes = IVAL(params,20);
1199         share_access = IVAL(params,24);
1200         create_disposition = IVAL(params,28);
1201         create_options = IVAL(params,32);
1202         sd_len = IVAL(params,36);
1203         root_dir_fid = (uint16)IVAL(params,4);
1204
1205         if (create_options & FILE_OPEN_BY_FILE_ID) {
1206                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1207         }
1208
1209         /*
1210          * We need to construct the open_and_X ofun value from the
1211          * NT values, as that's what our code is structured to accept.
1212          */
1213
1214         if((smb_ofun = map_create_disposition( create_disposition )) == -1)
1215                 return ERROR_DOS(ERRDOS,ERRbadmem);
1216
1217         /*
1218          * Get the file name.
1219          */
1220
1221         if(root_dir_fid != 0) {
1222                 /*
1223                  * This filename is relative to a directory fid.
1224                  */
1225                 files_struct *dir_fsp = file_fsp(params,4);
1226                 size_t dir_name_len;
1227
1228                 if(!dir_fsp)
1229                         return ERROR_DOS(ERRDOS,ERRbadfid);
1230
1231                 if(!dir_fsp->is_directory) {
1232                         srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status, False);
1233                         if (!NT_STATUS_IS_OK(status)) {
1234                                 return ERROR_NT(status);
1235                         }
1236
1237                         /*
1238                          * Check to see if this is a mac fork of some kind.
1239                          */
1240
1241                         if( strchr_m(fname, ':'))
1242                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1243
1244                         return ERROR_DOS(ERRDOS,ERRbadfid);
1245                 }
1246
1247                 /*
1248                  * Copy in the base directory name.
1249                  */
1250
1251                 pstrcpy( fname, dir_fsp->fsp_name );
1252                 dir_name_len = strlen(fname);
1253
1254                 /*
1255                  * Ensure it ends in a '\'.
1256                  */
1257
1258                 if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
1259                         pstrcat(fname, "/");
1260                         dir_name_len++;
1261                 }
1262
1263                 {
1264                         pstring tmpname;
1265                         srvstr_get_path(inbuf, tmpname, params+53, sizeof(tmpname), parameter_count-53, STR_TERMINATE, &status, False);
1266                         if (!NT_STATUS_IS_OK(status)) {
1267                                 return ERROR_NT(status);
1268                         }
1269                         pstrcat(fname, tmpname);
1270                 }
1271         } else {
1272                 srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status, False);
1273                 if (!NT_STATUS_IS_OK(status)) {
1274                         return ERROR_NT(status);
1275                 }
1276
1277                 /*
1278                  * Check to see if this is a mac fork of some kind.
1279                  */
1280
1281                 if( strchr_m(fname, ':'))
1282                         return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1283         }
1284
1285         /*
1286          * Now contruct the smb_open_mode value from the desired access
1287          * and the share access.
1288          */
1289
1290         if((smb_open_mode = map_share_mode( fname, create_options, &desired_access,
1291                                                 share_access, file_attributes)) == -1)
1292                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1293
1294         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1295         oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1296
1297         /*
1298          * Check if POSIX semantics are wanted.
1299          */
1300
1301         set_posix_case_semantics(conn, file_attributes);
1302
1303         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
1304
1305         unix_convert(fname,conn,0,&bad_path,&sbuf);
1306         if (bad_path) {
1307                 restore_case_semantics(conn, file_attributes);
1308                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1309         }
1310         /* All file access must go through check_name() */
1311         if (!check_name(fname,conn)) {
1312                 restore_case_semantics(conn, file_attributes);
1313                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRbadpath);
1314         }
1315
1316         /*
1317          * If it's a request for a directory open, deal with it separately.
1318          */
1319
1320         if(create_options & FILE_DIRECTORY_FILE) {
1321
1322                 /* Can't open a temp directory. IFS kit test. */
1323                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
1324                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1325                 }
1326
1327                 oplock_request = 0;
1328
1329                 /*
1330                  * We will get a create directory here if the Win32
1331                  * app specified a security descriptor in the
1332                  * CreateDirectory() call.
1333                  */
1334
1335                 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, &smb_action);
1336
1337                 if(!fsp) {
1338                         restore_case_semantics(conn, file_attributes);
1339                         return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
1340                 }
1341
1342         } else {
1343
1344                 /*
1345                  * Ordinary file case.
1346                  */
1347
1348                 fsp = open_file_shared1(conn,fname,&sbuf,desired_access,
1349                                                 smb_open_mode,smb_ofun,file_attributes,
1350                                                 oplock_request,&rmode,&smb_action);
1351
1352                 if (!fsp) {
1353
1354                         if(errno == EISDIR) {
1355
1356                                 /*
1357                                  * Fail the open if it was explicitly a non-directory file.
1358                                  */
1359
1360                                 if (create_options & FILE_NON_DIRECTORY_FILE) {
1361                                         restore_case_semantics(conn, file_attributes);
1362                                         SSVAL(outbuf, smb_flg2, SVAL(outbuf,smb_flg2) | FLAGS2_32_BIT_ERROR_CODES);
1363                                         return ERROR_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
1364                                 }
1365
1366                                 oplock_request = 0;
1367                                 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, &smb_action);
1368
1369                                 if(!fsp) {
1370                                         restore_case_semantics(conn, file_attributes);
1371                                         return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
1372                                 }
1373                         } else {
1374                                 restore_case_semantics(conn, file_attributes);
1375                                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1376                                         /* We have re-scheduled this call. */
1377                                         clear_cached_errors();
1378                                         return -1;
1379                                 }
1380                                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
1381                         }
1382                 }
1383
1384                 file_len = sbuf.st_size;
1385                 fmode = dos_mode(conn,fname,&sbuf);
1386                 if(fmode == 0)
1387                         fmode = FILE_ATTRIBUTE_NORMAL;
1388
1389                 if (fmode & aDIR) {
1390                         close_file(fsp,False);
1391                         restore_case_semantics(conn, file_attributes);
1392                         return ERROR_DOS(ERRDOS,ERRnoaccess);
1393                 }
1394
1395                 /*
1396                  * If the caller set the extended oplock request bit
1397                  * and we granted one (by whatever means) - set the
1398                  * correct bit for extended oplock reply.
1399                  */
1400
1401                 if (oplock_request && lp_fake_oplocks(SNUM(conn)))
1402                         extended_oplock_granted = True;
1403
1404                 if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
1405                         extended_oplock_granted = True;
1406         }
1407
1408         /*
1409          * Now try and apply the desired SD.
1410          */
1411
1412         if (sd_len && !NT_STATUS_IS_OK(status = set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION))) {
1413                 close_file(fsp,False);
1414                 restore_case_semantics(conn, file_attributes);
1415                 return ERROR_NT(status);
1416         }
1417
1418         restore_case_semantics(conn, file_attributes);
1419
1420         /* Save the requested allocation size. */
1421         allocation_size = (SMB_BIG_UINT)IVAL(params,12);
1422 #ifdef LARGE_SMB_OFF_T
1423         allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
1424 #endif
1425         if (allocation_size && (allocation_size > file_len)) {
1426                 fsp->initial_allocation_size = SMB_ROUNDUP(allocation_size,SMB_ROUNDUP_ALLOCATION_SIZE);
1427                 if (fsp->is_directory) {
1428                         close_file(fsp,False);
1429                         END_PROFILE(SMBntcreateX);
1430                         /* Can't set allocation size on a directory. */
1431                         return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1432                 }
1433                 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1434                         close_file(fsp,False);
1435                         return ERROR_NT(NT_STATUS_DISK_FULL);
1436                 }
1437         } else {
1438                 fsp->initial_allocation_size = SMB_ROUNDUP(((SMB_BIG_UINT)file_len),SMB_ROUNDUP_ALLOCATION_SIZE);
1439         }
1440
1441         /* Realloc the size of parameters and data we will return */
1442         params = nttrans_realloc(ppparams, 69);
1443         if(params == NULL)
1444                 return ERROR_DOS(ERRDOS,ERRnomem);
1445
1446         p = params;
1447         if (extended_oplock_granted)
1448                 SCVAL(p,0, BATCH_OPLOCK_RETURN);
1449         else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type))
1450                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
1451         else
1452                 SCVAL(p,0,NO_OPLOCK_RETURN);
1453
1454         p += 2;
1455         SSVAL(p,0,fsp->fnum);
1456         p += 2;
1457         if ((create_disposition == FILE_SUPERSEDE) && (smb_action == FILE_WAS_OVERWRITTEN))
1458                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1459         else
1460                 SIVAL(p,0,smb_action);
1461         p += 8;
1462
1463         /* Create time. */
1464         c_time = get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1465
1466         if (lp_dos_filetime_resolution(SNUM(conn))) {
1467                 c_time &= ~1;
1468                 sbuf.st_atime &= ~1;
1469                 sbuf.st_mtime &= ~1;
1470                 sbuf.st_mtime &= ~1;
1471         }
1472
1473         put_long_date(p,c_time);
1474         p += 8;
1475         put_long_date(p,sbuf.st_atime); /* access time */
1476         p += 8;
1477         put_long_date(p,sbuf.st_mtime); /* write time */
1478         p += 8;
1479         put_long_date(p,sbuf.st_mtime); /* change time */
1480         p += 8;
1481         SIVAL(p,0,fmode); /* File Attributes. */
1482         p += 4;
1483         SOFF_T(p, 0, get_allocation_size(fsp,&sbuf));
1484         p += 8;
1485         SOFF_T(p,0,file_len);
1486         p += 8;
1487         if (flags & EXTENDED_RESPONSE_REQUIRED)
1488                 SSVAL(p,2,0x7);
1489         p += 4;
1490         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1491
1492         DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
1493
1494         /* Send the required number of replies */
1495         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
1496
1497         return -1;
1498 }
1499
1500 /****************************************************************************
1501  Reply to a NT CANCEL request.
1502 ****************************************************************************/
1503
1504 int reply_ntcancel(connection_struct *conn,
1505                    char *inbuf,char *outbuf,int length,int bufsize)
1506 {
1507         /*
1508          * Go through and cancel any pending change notifies.
1509          */
1510
1511         int mid = SVAL(inbuf,smb_mid);
1512         START_PROFILE(SMBntcancel);
1513         remove_pending_change_notify_requests_by_mid(mid);
1514         remove_pending_lock_requests_by_mid(mid);
1515         srv_cancel_sign_response(mid);
1516
1517         DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", mid));
1518
1519         END_PROFILE(SMBntcancel);
1520         return(-1);
1521 }
1522
1523 /****************************************************************************
1524  Reply to a NT rename request.
1525 ****************************************************************************/
1526
1527 int reply_ntrename(connection_struct *conn,
1528                    char *inbuf,char *outbuf,int length,int bufsize)
1529 {
1530         int outsize = 0;
1531         pstring oldname;
1532         pstring newname;
1533         char *p;
1534         NTSTATUS status;
1535         uint16 attrs = SVAL(inbuf,smb_vwv0);
1536         uint16 rename_type = SVAL(inbuf,smb_vwv1);
1537
1538         START_PROFILE(SMBntrename);
1539
1540         if ((rename_type != RENAME_FLAG_RENAME) && (rename_type != RENAME_FLAG_HARD_LINK)) {
1541                 END_PROFILE(SMBntrename);
1542                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1543         }
1544
1545         p = smb_buf(inbuf) + 1;
1546         p += srvstr_get_path(inbuf, oldname, p, sizeof(oldname), 0, STR_TERMINATE, &status, True);
1547         if (!NT_STATUS_IS_OK(status)) {
1548                 END_PROFILE(SMBntrename);
1549                 return ERROR_NT(status);
1550         }
1551
1552         if( strchr_m(oldname, ':')) {
1553                 /* Can't rename a stream. */
1554                 END_PROFILE(SMBntrename);
1555                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1556         }
1557
1558         p++;
1559         p += srvstr_get_path(inbuf, newname, p, sizeof(newname), 0, STR_TERMINATE, &status, True);
1560         if (!NT_STATUS_IS_OK(status)) {
1561                 END_PROFILE(SMBntrename);
1562                 return ERROR_NT(status);
1563         }
1564
1565         RESOLVE_DFSPATH(oldname, conn, inbuf, outbuf);
1566         RESOLVE_DFSPATH(newname, conn, inbuf, outbuf);
1567
1568         DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1569
1570         if (rename_type == RENAME_FLAG_RENAME) {
1571                 status = rename_internals(conn, oldname, newname, attrs, False);
1572         } else {
1573                 status = hardlink_internals(conn, oldname, newname);
1574         }
1575
1576         if (!NT_STATUS_IS_OK(status)) {
1577                 END_PROFILE(SMBntrename);
1578                 return ERROR_NT(status);
1579         }
1580
1581         /*
1582          * Win2k needs a changenotify request response before it will
1583          * update after a rename..
1584          */
1585         process_pending_change_notify_queue((time_t)0);
1586         outsize = set_message(outbuf,0,0,True);
1587
1588         END_PROFILE(SMBntrename);
1589         return(outsize);
1590 }
1591
1592 /****************************************************************************
1593  Reply to an unsolicited SMBNTtranss - just ignore it!
1594 ****************************************************************************/
1595
1596 int reply_nttranss(connection_struct *conn,
1597                    char *inbuf,char *outbuf,int length,int bufsize)
1598 {
1599         START_PROFILE(SMBnttranss);
1600         DEBUG(4,("Ignoring nttranss of length %d\n",length));
1601         END_PROFILE(SMBnttranss);
1602         return(-1);
1603 }
1604
1605 /****************************************************************************
1606  Reply to a notify change - queue the request and
1607  don't allow a directory to be opened.
1608 ****************************************************************************/
1609
1610 static int call_nt_transact_notify_change(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1611                                   char **ppsetup, uint32 setup_count,
1612                                   char **ppparams, uint32 parameter_count,
1613                                   char **ppdata, uint32 data_count)
1614 {
1615         char *setup = *ppsetup;
1616         files_struct *fsp;
1617         uint32 flags;
1618
1619         if(setup_count < 6)
1620                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1621
1622         fsp = file_fsp(setup,4);
1623         flags = IVAL(setup, 0);
1624
1625         DEBUG(3,("call_nt_transact_notify_change\n"));
1626
1627         if(!fsp)
1628                 return ERROR_DOS(ERRDOS,ERRbadfid);
1629
1630         if((!fsp->is_directory) || (conn != fsp->conn))
1631                 return ERROR_DOS(ERRDOS,ERRbadfid);
1632
1633         if (!change_notify_set(inbuf, fsp, conn, flags))
1634                 return(UNIXERROR(ERRDOS,ERRbadfid));
1635
1636         DEBUG(3,("call_nt_transact_notify_change: notify change called on directory \
1637 name = %s\n", fsp->fsp_name ));
1638
1639         return -1;
1640 }
1641
1642 /****************************************************************************
1643  Reply to an NT transact rename command.
1644 ****************************************************************************/
1645
1646 static int call_nt_transact_rename(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1647                                   char **ppsetup, uint32 setup_count,
1648                                   char **ppparams, uint32 parameter_count,
1649                                   char **ppdata, uint32 data_count)
1650 {
1651         char *params = *ppparams;
1652         pstring new_name;
1653         files_struct *fsp = NULL;
1654         BOOL replace_if_exists = False;
1655         NTSTATUS status;
1656
1657         if(parameter_count < 4)
1658                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1659
1660         fsp = file_fsp(params, 0);
1661         replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
1662         CHECK_FSP(fsp, conn);
1663         srvstr_get_path(inbuf, new_name, params+4, sizeof(new_name), -1, STR_TERMINATE, &status, True);
1664         if (!NT_STATUS_IS_OK(status)) {
1665                 return ERROR_NT(status);
1666         }
1667
1668         status = rename_internals(conn, fsp->fsp_name,
1669                                   new_name, 0, replace_if_exists);
1670         if (!NT_STATUS_IS_OK(status))
1671                 return ERROR_NT(status);
1672
1673         /*
1674          * Rename was successful.
1675          */
1676         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1677
1678         DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
1679                  fsp->fsp_name, new_name));
1680
1681         /*
1682          * Win2k needs a changenotify request response before it will
1683          * update after a rename..
1684          */
1685
1686         process_pending_change_notify_queue((time_t)0);
1687
1688         return -1;
1689 }
1690
1691 /******************************************************************************
1692  Fake up a completely empty SD.
1693 *******************************************************************************/
1694
1695 static size_t get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1696 {
1697         extern DOM_SID global_sid_World;
1698         size_t sd_size;
1699
1700         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1701         if(!*ppsd) {
1702                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1703                 sd_size = 0;
1704         }
1705
1706         return sd_size;
1707 }
1708
1709 /****************************************************************************
1710  Reply to query a security descriptor.
1711 ****************************************************************************/
1712
1713 static int call_nt_transact_query_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1714                                   char **ppsetup, uint32 setup_count,
1715                                   char **ppparams, uint32 parameter_count,
1716                                   char **ppdata, uint32 data_count)
1717 {
1718         uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
1719         char *params = *ppparams;
1720         char *data = *ppdata;
1721         prs_struct pd;
1722         SEC_DESC *psd = NULL;
1723         size_t sd_size;
1724         uint32 security_info_wanted;
1725         TALLOC_CTX *mem_ctx;
1726         files_struct *fsp = NULL;
1727
1728         if(parameter_count < 8)
1729                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1730
1731         fsp = file_fsp(params,0);
1732         if(!fsp)
1733                 return ERROR_DOS(ERRDOS,ERRbadfid);
1734
1735         security_info_wanted = IVAL(params,4);
1736
1737         DEBUG(3,("call_nt_transact_query_security_desc: file = %s\n", fsp->fsp_name ));
1738
1739         params = nttrans_realloc(ppparams, 4);
1740         if(params == NULL)
1741                 return ERROR_DOS(ERRDOS,ERRnomem);
1742
1743         if ((mem_ctx = talloc_init("call_nt_transact_query_security_desc")) == NULL) {
1744                 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
1745                 return ERROR_DOS(ERRDOS,ERRnomem);
1746         }
1747
1748         /*
1749          * Get the permissions to return.
1750          */
1751
1752         if (!lp_nt_acl_support(SNUM(conn)))
1753                 sd_size = get_null_nt_acl(mem_ctx, &psd);
1754         else
1755                 sd_size = SMB_VFS_FGET_NT_ACL(fsp, fsp->fd, security_info_wanted, &psd);
1756
1757         if (sd_size == 0) {
1758                 talloc_destroy(mem_ctx);
1759                 return(UNIXERROR(ERRDOS,ERRnoaccess));
1760         }
1761
1762         DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %d.\n",(int)sd_size));
1763
1764         SIVAL(params,0,(uint32)sd_size);
1765
1766         if(max_data_count < sd_size) {
1767
1768                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_BUFFER_TOO_SMALL,
1769                         params, 4, *ppdata, 0);
1770                 talloc_destroy(mem_ctx);
1771                 return -1;
1772         }
1773
1774         /*
1775          * Allocate the data we will point this at.
1776          */
1777
1778         data = nttrans_realloc(ppdata, sd_size);
1779         if(data == NULL) {
1780                 talloc_destroy(mem_ctx);
1781                 return ERROR_DOS(ERRDOS,ERRnomem);
1782         }
1783
1784         /*
1785          * Init the parse struct we will marshall into.
1786          */
1787
1788         prs_init(&pd, 0, mem_ctx, MARSHALL);
1789
1790         /*
1791          * Setup the prs_struct to point at the memory we just
1792          * allocated.
1793          */
1794
1795         prs_give_memory( &pd, data, (uint32)sd_size, False);
1796
1797         /*
1798          * Finally, linearize into the outgoing buffer.
1799          */
1800
1801         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1802                 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
1803 security descriptor.\n"));
1804                 /*
1805                  * Return access denied for want of a better error message..
1806                  */
1807                 talloc_destroy(mem_ctx);
1808                 return(UNIXERROR(ERRDOS,ERRnoaccess));
1809         }
1810
1811         /*
1812          * Now we can delete the security descriptor.
1813          */
1814
1815         talloc_destroy(mem_ctx);
1816
1817         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 4, data, (int)sd_size);
1818         return -1;
1819 }
1820
1821 /****************************************************************************
1822  Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1823 ****************************************************************************/
1824
1825 static int call_nt_transact_set_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1826                                   char **ppsetup, uint32 setup_count,
1827                                   char **ppparams, uint32 parameter_count,
1828                                   char **ppdata, uint32 data_count)
1829 {
1830         char *params= *ppparams;
1831         char *data = *ppdata;
1832         files_struct *fsp = NULL;
1833         uint32 security_info_sent = 0;
1834         NTSTATUS nt_status;
1835
1836         if(parameter_count < 8)
1837                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1838
1839         if((fsp = file_fsp(params,0)) == NULL)
1840                 return ERROR_DOS(ERRDOS,ERRbadfid);
1841
1842         if(!lp_nt_acl_support(SNUM(conn)))
1843                 goto done;
1844
1845         security_info_sent = IVAL(params,4);
1846
1847         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
1848                 (unsigned int)security_info_sent ));
1849
1850         if (data_count == 0)
1851                 return ERROR_DOS(ERRDOS, ERRnoaccess);
1852
1853         if (!NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, data_count, security_info_sent)))
1854                 return ERROR_NT(nt_status);
1855
1856   done:
1857
1858         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1859         return -1;
1860 }
1861
1862 /****************************************************************************
1863  Reply to NT IOCTL
1864 ****************************************************************************/
1865
1866 static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1867                                   char **ppsetup, uint32 setup_count,
1868                                   char **ppparams, uint32 parameter_count,
1869                                   char **ppdata, uint32 data_count)
1870 {
1871         uint32 function;
1872         uint16 fidnum;
1873         files_struct *fsp;
1874         uint8 isFSctl;
1875         uint8 compfilter;
1876         static BOOL logged_message;
1877         char *pdata = *ppdata;
1878
1879         if (setup_count != 8) {
1880                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1881                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1882         }
1883
1884         function = IVAL(*ppsetup, 0);
1885         fidnum = SVAL(*ppsetup, 4);
1886         isFSctl = CVAL(*ppsetup, 6);
1887         compfilter = CVAL(*ppsetup, 7);
1888
1889         DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
1890                  function, fidnum, isFSctl, compfilter));
1891
1892         fsp=file_fsp(*ppsetup, 4);
1893         /* this check is done in each implemented function case for now
1894            because I don't want to break anything... --metze
1895         FSP_BELONGS_CONN(fsp,conn);*/
1896
1897         switch (function) {
1898         case FSCTL_SET_SPARSE:
1899                 /* pretend this succeeded - tho strictly we should
1900                    mark the file sparse (if the local fs supports it)
1901                    so we can know if we need to pre-allocate or not */
1902
1903                 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
1904                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1905                 return -1;
1906
1907         case FSCTL_0x000900C0:
1908                 /* pretend this succeeded - don't know what this really is
1909                    but works ok like this --metze
1910                  */
1911
1912                 DEBUG(10,("FSCTL_0x000900C0: called on FID[0x%04X](but not implemented)\n",fidnum));
1913                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1914                 return -1;
1915
1916         case FSCTL_GET_REPARSE_POINT:
1917                 /* pretend this fail - my winXP does it like this
1918                  * --metze
1919                  */
1920
1921                 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1922                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT, NULL, 0, NULL, 0);
1923                 return -1;
1924
1925         case FSCTL_SET_REPARSE_POINT:
1926                 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
1927                  * --metze
1928                  */
1929
1930                 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1931                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT, NULL, 0, NULL, 0);
1932                 return -1;
1933
1934         case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
1935         {
1936                 /*
1937                  * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
1938                  * and return their volume names.  If max_data_count is 16, then it is just
1939                  * asking for the number of volumes and length of the combined names.
1940                  *
1941                  * pdata is the data allocated by our caller, but that uses
1942                  * total_data_count (which is 0 in our case) rather than max_data_count.
1943                  * Allocate the correct amount and return the pointer to let
1944                  * it be deallocated when we return.
1945                  */
1946                 uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
1947                 SHADOW_COPY_DATA *shadow_data = NULL;
1948                 TALLOC_CTX *shadow_mem_ctx = NULL;
1949                 BOOL labels = False;
1950                 uint32 labels_data_count = 0;
1951                 uint32 i;
1952                 char *cur_pdata;
1953
1954                 FSP_BELONGS_CONN(fsp,conn);
1955
1956                 if (max_data_count < 16) {
1957                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
1958                                 max_data_count));
1959                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1960                 }
1961
1962                 if (max_data_count > 16) {
1963                         labels = True;
1964                 }
1965
1966                 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
1967                 if (shadow_mem_ctx == NULL) {
1968                         DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
1969                         return ERROR_NT(NT_STATUS_NO_MEMORY);
1970                 }
1971
1972                 shadow_data = (SHADOW_COPY_DATA *)talloc_zero(shadow_mem_ctx,sizeof(SHADOW_COPY_DATA));
1973                 if (shadow_data == NULL) {
1974                         DEBUG(0,("talloc_zero() failed!\n"));
1975                         return ERROR_NT(NT_STATUS_NO_MEMORY);
1976                 }
1977
1978                 shadow_data->mem_ctx = shadow_mem_ctx;
1979
1980                 /*
1981                  * Call the VFS routine to actually do the work.
1982                  */
1983                 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
1984                         talloc_destroy(shadow_data->mem_ctx);
1985                         if (errno == ENOSYS) {
1986                                 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
1987                                         conn->connectpath));
1988                                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1989                         } else {
1990                                 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
1991                                         conn->connectpath));
1992                                 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
1993                         }
1994                 }
1995
1996                 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
1997
1998                 if (!labels) {
1999                         data_count = 16;
2000                 } else {
2001                         data_count = 12+labels_data_count+4;
2002                 }
2003
2004                 if (max_data_count<data_count) {
2005                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2006                                 max_data_count,data_count));
2007                         talloc_destroy(shadow_data->mem_ctx);
2008                         return ERROR_NT(NT_STATUS_BUFFER_TOO_SMALL);
2009                 }
2010
2011                 pdata = nttrans_realloc(ppdata, data_count);
2012                 if (pdata == NULL) {
2013                         talloc_destroy(shadow_data->mem_ctx);
2014                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2015                 }
2016
2017                 cur_pdata = pdata;
2018
2019                 /* num_volumes 4 bytes */
2020                 SIVAL(pdata,0,shadow_data->num_volumes);
2021
2022                 if (labels) {
2023                         /* num_labels 4 bytes */
2024                         SIVAL(pdata,4,shadow_data->num_volumes);
2025                 }
2026
2027                 /* needed_data_count 4 bytes */
2028                 SIVAL(pdata,8,labels_data_count);
2029
2030                 cur_pdata+=12;
2031
2032                 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2033                         shadow_data->num_volumes,fsp->fsp_name));
2034                 if (labels && shadow_data->labels) {
2035                         for (i=0;i<shadow_data->num_volumes;i++) {
2036                                 srvstr_push(outbuf, cur_pdata, shadow_data->labels[i], 2*sizeof(SHADOW_COPY_LABEL), STR_UNICODE|STR_TERMINATE);
2037                                 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2038                                 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2039                         }
2040                 }
2041
2042                 talloc_destroy(shadow_data->mem_ctx);
2043
2044                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, pdata, data_count);
2045
2046                 return -1;
2047         }
2048
2049         case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2050         {
2051                 /* pretend this succeeded -
2052                  *
2053                  * we have to send back a list with all files owned by this SID
2054                  *
2055                  * but I have to check that --metze
2056                  */
2057                 DOM_SID sid;
2058                 uid_t uid;
2059                 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2060
2061                 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2062
2063                 FSP_BELONGS_CONN(fsp,conn);
2064
2065                 /* unknown 4 bytes: this is not the length of the sid :-(  */
2066                 /*unknown = IVAL(pdata,0);*/
2067
2068                 sid_parse(pdata+4,sid_len,&sid);
2069                 DEBUGADD(10,("for SID: %s\n",sid_string_static(&sid)));
2070
2071                 if (!NT_STATUS_IS_OK(sid_to_uid(&sid, &uid))) {
2072                         DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2073                                 sid_string_static(&sid),(unsigned long)sid_len));
2074                         uid = (-1);
2075                 }
2076
2077                 /* we can take a look at the find source :-)
2078                  *
2079                  * find ./ -uid $uid  -name '*'   is what we need here
2080                  *
2081                  *
2082                  * and send 4bytes len and then NULL terminated unicode strings
2083                  * for each file
2084                  *
2085                  * but I don't know how to deal with the paged results
2086                  * (maybe we can hang the result anywhere in the fsp struct)
2087                  *
2088                  * we don't send all files at once
2089                  * and at the next we should *not* start from the beginning,
2090                  * so we have to cache the result
2091                  *
2092                  * --metze
2093                  */
2094
2095                 /* this works for now... */
2096                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2097                 return -1;
2098         }
2099         default:
2100                 if (!logged_message) {
2101                         logged_message = True; /* Only print this once... */
2102                         DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2103                                  function));
2104                 }
2105         }
2106
2107         return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2108 }
2109
2110
2111 #ifdef HAVE_SYS_QUOTAS
2112 /****************************************************************************
2113  Reply to get user quota
2114 ****************************************************************************/
2115
2116 static int call_nt_transact_get_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2117                                   char **ppsetup, uint32 setup_count,
2118                                   char **ppparams, uint32 parameter_count,
2119                                   char **ppdata, uint32 data_count)
2120 {
2121         NTSTATUS nt_status = NT_STATUS_OK;
2122         uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
2123         char *params = *ppparams;
2124         char *pdata = *ppdata;
2125         char *entry;
2126         int data_len=0,param_len=0;
2127         int qt_len=0;
2128         int entry_len = 0;
2129         files_struct *fsp = NULL;
2130         uint16 level = 0;
2131         size_t sid_len;
2132         DOM_SID sid;
2133         BOOL start_enum = True;
2134         SMB_NTQUOTA_STRUCT qt;
2135         SMB_NTQUOTA_LIST *tmp_list;
2136         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2137         extern struct current_user current_user;
2138
2139         ZERO_STRUCT(qt);
2140
2141         /* access check */
2142         if (current_user.uid != 0) {
2143                 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
2144                         lp_servicename(SNUM(conn)),conn->user));
2145                 return ERROR_DOS(ERRDOS,ERRnoaccess);
2146         }
2147
2148         /*
2149          * Ensure minimum number of parameters sent.
2150          */
2151
2152         if (parameter_count < 4) {
2153                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2154                 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2155         }
2156
2157         /* maybe we can check the quota_fnum */
2158         fsp = file_fsp(params,0);
2159         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2160                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2161                 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2162         }
2163
2164         /* the NULL pointer cheking for fsp->fake_file_handle->pd
2165          * is done by CHECK_NTQUOTA_HANDLE_OK()
2166          */
2167         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
2168
2169         level = SVAL(params,2);
2170
2171         /* unknown 12 bytes leading in params */
2172
2173         switch (level) {
2174                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2175                         /* seems that we should continue with the enum here --metze */
2176
2177                         if (qt_handle->quota_list!=NULL &&
2178                             qt_handle->tmp_list==NULL) {
2179
2180                                 /* free the list */
2181                                 free_ntquota_list(&(qt_handle->quota_list));
2182
2183                                 /* Realloc the size of parameters and data we will return */
2184                                 param_len = 4;
2185                                 params = nttrans_realloc(ppparams, param_len);
2186                                 if(params == NULL)
2187                                         return ERROR_DOS(ERRDOS,ERRnomem);
2188
2189                                 data_len = 0;
2190                                 SIVAL(params,0,data_len);
2191
2192                                 break;
2193                         }
2194
2195                         start_enum = False;
2196
2197                 case TRANSACT_GET_USER_QUOTA_LIST_START:
2198
2199                         if (qt_handle->quota_list==NULL &&
2200                                 qt_handle->tmp_list==NULL) {
2201                                 start_enum = True;
2202                         }
2203
2204                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0)
2205                                 return ERROR_DOS(ERRSRV,ERRerror);
2206
2207                         /* Realloc the size of parameters and data we will return */
2208                         param_len = 4;
2209                         params = nttrans_realloc(ppparams, param_len);
2210                         if(params == NULL)
2211                                 return ERROR_DOS(ERRDOS,ERRnomem);
2212
2213                         /* we should not trust the value in max_data_count*/
2214                         max_data_count = MIN(max_data_count,2048);
2215
2216                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2217                         if(pdata == NULL)
2218                                 return ERROR_DOS(ERRDOS,ERRnomem);
2219
2220                         entry = pdata;
2221
2222
2223                         /* set params Size of returned Quota Data 4 bytes*/
2224                         /* but set it later when we know it */
2225
2226                         /* for each entry push the data */
2227
2228                         if (start_enum) {
2229                                 qt_handle->tmp_list = qt_handle->quota_list;
2230                         }
2231
2232                         tmp_list = qt_handle->tmp_list;
2233
2234                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2235                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2236
2237                                 sid_len = sid_size(&tmp_list->quotas->sid);
2238                                 entry_len = 40 + sid_len;
2239
2240                                 /* nextoffset entry 4 bytes */
2241                                 SIVAL(entry,0,entry_len);
2242
2243                                 /* then the len of the SID 4 bytes */
2244                                 SIVAL(entry,4,sid_len);
2245
2246                                 /* unknown data 8 bytes SMB_BIG_UINT */
2247                                 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2248
2249                                 /* the used disk space 8 bytes SMB_BIG_UINT */
2250                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2251
2252                                 /* the soft quotas 8 bytes SMB_BIG_UINT */
2253                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2254
2255                                 /* the hard quotas 8 bytes SMB_BIG_UINT */
2256                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2257
2258                                 /* and now the SID */
2259                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2260                         }
2261
2262                         qt_handle->tmp_list = tmp_list;
2263
2264                         /* overwrite the offset of the last entry */
2265                         SIVAL(entry-entry_len,0,0);
2266
2267                         data_len = 4+qt_len;
2268                         /* overwrite the params quota_data_len */
2269                         SIVAL(params,0,data_len);
2270
2271                         break;
2272
2273                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2274
2275                         /* unknown 4 bytes IVAL(pdata,0) */
2276
2277                         if (data_count < 8) {
2278                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2279                                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2280                         }
2281
2282                         sid_len = IVAL(pdata,4);
2283
2284                         if (data_count < 8+sid_len) {
2285                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2286                                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2287                         }
2288
2289                         data_len = 4+40+sid_len;
2290
2291                         if (max_data_count < data_len) {
2292                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2293                                         max_data_count, data_len));
2294                                 param_len = 4;
2295                                 SIVAL(params,0,data_len);
2296                                 data_len = 0;
2297                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2298                                 break;
2299                         }
2300
2301                         sid_parse(pdata+8,sid_len,&sid);
2302
2303
2304                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2305                                 ZERO_STRUCT(qt);
2306                                 /*
2307                                  * we have to return zero's in all fields
2308                                  * instead of returning an error here
2309                                  * --metze
2310                                  */
2311                         }
2312
2313                         /* Realloc the size of parameters and data we will return */
2314                         param_len = 4;
2315                         params = nttrans_realloc(ppparams, param_len);
2316                         if(params == NULL)
2317                                 return ERROR_DOS(ERRDOS,ERRnomem);
2318
2319                         pdata = nttrans_realloc(ppdata, data_len);
2320                         if(pdata == NULL)
2321                                 return ERROR_DOS(ERRDOS,ERRnomem);
2322
2323                         entry = pdata;
2324
2325                         /* set params Size of returned Quota Data 4 bytes*/
2326                         SIVAL(params,0,data_len);
2327
2328                         /* nextoffset entry 4 bytes */
2329                         SIVAL(entry,0,0);
2330
2331                         /* then the len of the SID 4 bytes */
2332                         SIVAL(entry,4,sid_len);
2333
2334                         /* unknown data 8 bytes SMB_BIG_UINT */
2335                         SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
2336
2337                         /* the used disk space 8 bytes SMB_BIG_UINT */
2338                         SBIG_UINT(entry,16,qt.usedspace);
2339
2340                         /* the soft quotas 8 bytes SMB_BIG_UINT */
2341                         SBIG_UINT(entry,24,qt.softlim);
2342
2343                         /* the hard quotas 8 bytes SMB_BIG_UINT */
2344                         SBIG_UINT(entry,32,qt.hardlim);
2345
2346                         /* and now the SID */
2347                         sid_linearize(entry+40, sid_len, &sid);
2348
2349                         break;
2350
2351                 default:
2352                         DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2353                         return ERROR_DOS(ERRSRV,ERRerror);
2354                         break;
2355         }
2356
2357         send_nt_replies(inbuf, outbuf, bufsize, nt_status, params, param_len, pdata, data_len);
2358
2359         return -1;
2360 }
2361
2362 /****************************************************************************
2363  Reply to set user quota
2364 ****************************************************************************/
2365
2366 static int call_nt_transact_set_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2367                                   char **ppsetup, uint32 setup_count,
2368                                   char **ppparams, uint32 parameter_count,
2369                                   char **ppdata, uint32 data_count)
2370 {
2371         char *params = *ppparams;
2372         char *pdata = *ppdata;
2373         int data_len=0,param_len=0;
2374         SMB_NTQUOTA_STRUCT qt;
2375         size_t sid_len;
2376         DOM_SID sid;
2377         files_struct *fsp = NULL;
2378
2379         ZERO_STRUCT(qt);
2380
2381         /* access check */
2382         if (current_user.uid != 0) {
2383                 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
2384                         lp_servicename(SNUM(conn)),conn->user));
2385                 return ERROR_DOS(ERRDOS,ERRnoaccess);
2386         }
2387
2388         /*
2389          * Ensure minimum number of parameters sent.
2390          */
2391
2392         if (parameter_count < 2) {
2393                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2394                 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2395         }
2396
2397         /* maybe we can check the quota_fnum */
2398         fsp = file_fsp(params,0);
2399         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2400                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2401                 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2402         }
2403
2404         if (data_count < 40) {
2405                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2406                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2407         }
2408
2409         /* offset to next quota record.
2410          * 4 bytes IVAL(pdata,0)
2411          * unused here...
2412          */
2413
2414         /* sid len */
2415         sid_len = IVAL(pdata,4);
2416
2417         if (data_count < 40+sid_len) {
2418                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2419                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2420         }
2421
2422         /* unknown 8 bytes in pdata
2423          * maybe its the change time in NTTIME
2424          */
2425
2426         /* the used space 8 bytes (SMB_BIG_UINT)*/
2427         qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
2428 #ifdef LARGE_SMB_OFF_T
2429         qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
2430 #else /* LARGE_SMB_OFF_T */
2431         if ((IVAL(pdata,20) != 0)&&
2432                 ((qt.usedspace != 0xFFFFFFFF)||
2433                 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2434                 /* more than 32 bits? */
2435                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2436         }
2437 #endif /* LARGE_SMB_OFF_T */
2438
2439         /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
2440         qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
2441 #ifdef LARGE_SMB_OFF_T
2442         qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
2443 #else /* LARGE_SMB_OFF_T */
2444         if ((IVAL(pdata,28) != 0)&&
2445                 ((qt.softlim != 0xFFFFFFFF)||
2446                 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2447                 /* more than 32 bits? */
2448                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2449         }
2450 #endif /* LARGE_SMB_OFF_T */
2451
2452         /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
2453         qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
2454 #ifdef LARGE_SMB_OFF_T
2455         qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
2456 #else /* LARGE_SMB_OFF_T */
2457         if ((IVAL(pdata,36) != 0)&&
2458                 ((qt.hardlim != 0xFFFFFFFF)||
2459                 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2460                 /* more than 32 bits? */
2461                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2462         }
2463 #endif /* LARGE_SMB_OFF_T */
2464
2465         sid_parse(pdata+40,sid_len,&sid);
2466         DEBUGADD(8,("SID: %s\n",sid_string_static(&sid)));
2467
2468         /* 44 unknown bytes left... */
2469
2470         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2471                 return ERROR_DOS(ERRSRV,ERRerror);
2472         }
2473
2474         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, param_len, pdata, data_len);
2475
2476         return -1;
2477 }
2478 #endif /* HAVE_SYS_QUOTAS */
2479
2480 /****************************************************************************
2481  Reply to a SMBNTtrans.
2482 ****************************************************************************/
2483
2484 int reply_nttrans(connection_struct *conn,
2485                         char *inbuf,char *outbuf,int length,int bufsize)
2486 {
2487         int  outsize = 0;
2488 #if 0 /* Not used. */
2489         uint16 max_setup_count = CVAL(inbuf, smb_nt_MaxSetupCount);
2490         uint32 max_parameter_count = IVAL(inbuf, smb_nt_MaxParameterCount);
2491         uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
2492 #endif /* Not used. */
2493         uint32 total_parameter_count = IVAL(inbuf, smb_nt_TotalParameterCount);
2494         uint32 total_data_count = IVAL(inbuf, smb_nt_TotalDataCount);
2495         uint32 parameter_count = IVAL(inbuf,smb_nt_ParameterCount);
2496         uint32 parameter_offset = IVAL(inbuf,smb_nt_ParameterOffset);
2497         uint32 data_count = IVAL(inbuf,smb_nt_DataCount);
2498         uint32 data_offset = IVAL(inbuf,smb_nt_DataOffset);
2499         uint16 setup_count = 2*CVAL(inbuf,smb_nt_SetupCount); /* setup count is in *words* */
2500         uint16 function_code = SVAL( inbuf, smb_nt_Function);
2501         char *params = NULL, *data = NULL, *setup = NULL;
2502         uint32 num_params_sofar, num_data_sofar;
2503         START_PROFILE(SMBnttrans);
2504
2505         if(global_oplock_break &&
2506                         ((function_code == NT_TRANSACT_CREATE) ||
2507                          (function_code == NT_TRANSACT_RENAME))) {
2508                 /*
2509                  * Queue this open message as we are the process of an oplock break.
2510                  */
2511
2512                 DEBUG(2,("reply_nttrans: queueing message code 0x%x \
2513 due to being in oplock break state.\n", (unsigned int)function_code ));
2514
2515                 push_oplock_pending_smb_message( inbuf, length);
2516                 END_PROFILE(SMBnttrans);
2517                 return -1;
2518         }
2519
2520         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2521                 END_PROFILE(SMBnttrans);
2522                 return ERROR_DOS(ERRSRV,ERRaccess);
2523         }
2524
2525         outsize = set_message(outbuf,0,0,True);
2526
2527         /*
2528          * All nttrans messages we handle have smb_wct == 19 + setup_count.
2529          * Ensure this is so as a sanity check.
2530          */
2531
2532         if(CVAL(inbuf, smb_wct) != 19 + (setup_count/2)) {
2533                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2534                         CVAL(inbuf, smb_wct), 19 + (setup_count/2)));
2535                 goto bad_param;
2536         }
2537
2538         /* Allocate the space for the setup, the maximum needed parameters and data */
2539
2540         if(setup_count > 0)
2541                 setup = (char *)malloc(setup_count);
2542         if (total_parameter_count > 0)
2543                 params = (char *)malloc(total_parameter_count);
2544         if (total_data_count > 0)
2545                 data = (char *)malloc(total_data_count);
2546
2547         if ((total_parameter_count && !params)  || (total_data_count && !data) ||
2548                                 (setup_count && !setup)) {
2549                 SAFE_FREE(setup);
2550                 SAFE_FREE(params);
2551                 SAFE_FREE(data);
2552                 DEBUG(0,("reply_nttrans : Out of memory\n"));
2553                 END_PROFILE(SMBnttrans);
2554                 return ERROR_DOS(ERRDOS,ERRnomem);
2555         }
2556
2557         /* Copy the param and data bytes sent with this request into the params buffer */
2558         num_params_sofar = parameter_count;
2559         num_data_sofar = data_count;
2560
2561         if (parameter_count > total_parameter_count || data_count > total_data_count)
2562                 goto bad_param;
2563
2564         if(setup) {
2565                 DEBUG(10,("reply_nttrans: setup_count = %d\n", setup_count));
2566                 if ((smb_nt_SetupStart + setup_count < smb_nt_SetupStart) ||
2567                                 (smb_nt_SetupStart + setup_count < setup_count))
2568                         goto bad_param;
2569                 if (smb_nt_SetupStart + setup_count > length)
2570                         goto bad_param;
2571
2572                 memcpy( setup, &inbuf[smb_nt_SetupStart], setup_count);
2573                 dump_data(10, setup, setup_count);
2574         }
2575         if(params) {
2576                 DEBUG(10,("reply_nttrans: parameter_count = %d\n", parameter_count));
2577                 if ((parameter_offset + parameter_count < parameter_offset) ||
2578                                 (parameter_offset + parameter_count < parameter_count))
2579                         goto bad_param;
2580                 if ((smb_base(inbuf) + parameter_offset + parameter_count > inbuf + length)||
2581                                 (smb_base(inbuf) + parameter_offset + parameter_count < smb_base(inbuf)))
2582                         goto bad_param;
2583
2584                 memcpy( params, smb_base(inbuf) + parameter_offset, parameter_count);
2585                 dump_data(10, params, parameter_count);
2586         }
2587         if(data) {
2588                 DEBUG(10,("reply_nttrans: data_count = %d\n",data_count));
2589                 if ((data_offset + data_count < data_offset) || (data_offset + data_count < data_count))
2590                         goto bad_param;
2591                 if ((smb_base(inbuf) + data_offset + data_count > inbuf + length) ||
2592                                 (smb_base(inbuf) + data_offset + data_count < smb_base(inbuf)))
2593                         goto bad_param;
2594
2595                 memcpy( data, smb_base(inbuf) + data_offset, data_count);
2596                 dump_data(10, data, data_count);
2597         }
2598
2599         srv_signing_trans_start(SVAL(inbuf,smb_mid));
2600
2601         if(num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
2602                 /* We need to send an interim response then receive the rest
2603                         of the parameter/data bytes */
2604                 outsize = set_message(outbuf,0,0,True);
2605                 srv_signing_trans_stop();
2606                 if (!send_smb(smbd_server_fd(),outbuf))
2607                         exit_server("reply_nttrans: send_smb failed.");
2608
2609                 while( num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
2610                         BOOL ret;
2611                         uint32 parameter_displacement;
2612                         uint32 data_displacement;
2613
2614                         ret = receive_next_smb(inbuf,bufsize,SMB_SECONDARY_WAIT);
2615
2616                         /*
2617                          * The sequence number for the trans reply is always
2618                          * based on the last secondary received.
2619                          */
2620
2621                         srv_signing_trans_start(SVAL(inbuf,smb_mid));
2622
2623                         if((ret && (CVAL(inbuf, smb_com) != SMBnttranss)) || !ret) {
2624                                 outsize = set_message(outbuf,0,0,True);
2625                                 if(ret) {
2626                                         DEBUG(0,("reply_nttrans: Invalid secondary nttrans packet\n"));
2627                                 } else {
2628                                         DEBUG(0,("reply_nttrans: %s in getting secondary nttrans response.\n",
2629                                                 (smb_read_error == READ_ERROR) ? "error" : "timeout" ));
2630                                 }
2631                                 goto bad_param;
2632                         }
2633
2634                         /* Revise total_params and total_data in case they have changed downwards */
2635                         if (IVAL(inbuf, smb_nts_TotalParameterCount) < total_parameter_count)
2636                                 total_parameter_count = IVAL(inbuf, smb_nts_TotalParameterCount);
2637                         if (IVAL(inbuf, smb_nts_TotalDataCount) < total_data_count)
2638                                 total_data_count = IVAL(inbuf, smb_nts_TotalDataCount);
2639
2640                         parameter_count = IVAL(inbuf,smb_nts_ParameterCount);
2641                         parameter_offset = IVAL(inbuf, smb_nts_ParameterOffset);
2642                         parameter_displacement = IVAL(inbuf, smb_nts_ParameterDisplacement);
2643                         num_params_sofar += parameter_count;
2644
2645                         data_count = IVAL(inbuf, smb_nts_DataCount);
2646                         data_displacement = IVAL(inbuf, smb_nts_DataDisplacement);
2647                         data_offset = IVAL(inbuf, smb_nts_DataOffset);
2648                         num_data_sofar += data_count;
2649
2650                         if (num_params_sofar > total_parameter_count || num_data_sofar > total_data_count) {
2651                                 DEBUG(0,("reply_nttrans2: data overflow in secondary nttrans packet"));
2652                                 goto bad_param;
2653                         }
2654
2655                         if (parameter_count) {
2656                                 if (parameter_displacement + parameter_count >= total_parameter_count)
2657                                         goto bad_param;
2658                                 if ((parameter_displacement + parameter_count < parameter_displacement) ||
2659                                                 (parameter_displacement + parameter_count < parameter_count))
2660                                         goto bad_param;
2661                                 if (parameter_displacement > total_parameter_count)
2662                                         goto bad_param;
2663                                 if ((smb_base(inbuf) + parameter_offset + parameter_count >= inbuf + bufsize) ||
2664                                                 (smb_base(inbuf) + parameter_offset + parameter_count < smb_base(inbuf)))
2665                                         goto bad_param;
2666                                 if (parameter_displacement + params < params)
2667                                         goto bad_param;
2668
2669                                 memcpy( &params[parameter_displacement], smb_base(inbuf) + parameter_offset, parameter_count);
2670                         }
2671
2672                         if (data_count) {
2673                                 if (data_displacement + data_count >= total_data_count)
2674                                         goto bad_param;
2675                                 if ((data_displacement + data_count < data_displacement) ||
2676                                                 (data_displacement + data_count < data_count))
2677                                         goto bad_param;
2678                                 if (data_displacement > total_data_count)
2679                                         goto bad_param;
2680                                 if ((smb_base(inbuf) + data_offset + data_count >= inbuf + bufsize) ||
2681                                                 (smb_base(inbuf) + data_offset + data_count < smb_base(inbuf)))
2682                                         goto bad_param;
2683                                 if (data_displacement + data < data)
2684                                         goto bad_param;
2685
2686                                 memcpy( &data[data_displacement], smb_base(inbuf)+ data_offset, data_count);
2687                         }
2688                 }
2689         }
2690
2691         if (Protocol >= PROTOCOL_NT1)
2692                 SSVAL(outbuf,smb_flg2,SVAL(outbuf,smb_flg2) | FLAGS2_IS_LONG_NAME);
2693
2694         /* Now we must call the relevant NT_TRANS function */
2695         switch(function_code) {
2696                 case NT_TRANSACT_CREATE:
2697                         START_PROFILE_NESTED(NT_transact_create);
2698                         outsize = call_nt_transact_create(conn, inbuf, outbuf,
2699                                                         length, bufsize,
2700                                                         &setup, setup_count,
2701                                                         &params, total_parameter_count,
2702                                                         &data, total_data_count);
2703                         END_PROFILE_NESTED(NT_transact_create);
2704                         break;
2705                 case NT_TRANSACT_IOCTL:
2706                         START_PROFILE_NESTED(NT_transact_ioctl);
2707                         outsize = call_nt_transact_ioctl(conn, inbuf, outbuf,
2708                                                          length, bufsize,
2709                                                          &setup, setup_count,
2710                                                          &params, total_parameter_count,
2711                                                          &data, total_data_count);
2712                         END_PROFILE_NESTED(NT_transact_ioctl);
2713                         break;
2714                 case NT_TRANSACT_SET_SECURITY_DESC:
2715                         START_PROFILE_NESTED(NT_transact_set_security_desc);
2716                         outsize = call_nt_transact_set_security_desc(conn, inbuf, outbuf,
2717                                                          length, bufsize,
2718                                                          &setup, setup_count,
2719                                                          &params, total_parameter_count,
2720                                                          &data, total_data_count);
2721                         END_PROFILE_NESTED(NT_transact_set_security_desc);
2722                         break;
2723                 case NT_TRANSACT_NOTIFY_CHANGE:
2724                         START_PROFILE_NESTED(NT_transact_notify_change);
2725                         outsize = call_nt_transact_notify_change(conn, inbuf, outbuf,
2726                                                          length, bufsize,
2727                                                          &setup, setup_count,
2728                                                          &params, total_parameter_count,
2729                                                          &data, total_data_count);
2730                         END_PROFILE_NESTED(NT_transact_notify_change);
2731                         break;
2732                 case NT_TRANSACT_RENAME:
2733                         START_PROFILE_NESTED(NT_transact_rename);
2734                         outsize = call_nt_transact_rename(conn, inbuf, outbuf,
2735                                                          length, bufsize,
2736                                                          &setup, setup_count,
2737                                                          &params, total_parameter_count,
2738                                                          &data, total_data_count);
2739                         END_PROFILE_NESTED(NT_transact_rename);
2740                         break;
2741
2742                 case NT_TRANSACT_QUERY_SECURITY_DESC:
2743                         START_PROFILE_NESTED(NT_transact_query_security_desc);
2744                         outsize = call_nt_transact_query_security_desc(conn, inbuf, outbuf,
2745                                                          length, bufsize,
2746                                                          &setup, setup_count,
2747                                                          &params, total_parameter_count,
2748                                                          &data, total_data_count);
2749                         END_PROFILE_NESTED(NT_transact_query_security_desc);
2750                         break;
2751 #ifdef HAVE_SYS_QUOTAS
2752                 case NT_TRANSACT_GET_USER_QUOTA:
2753                         START_PROFILE_NESTED(NT_transact_get_user_quota);
2754                         outsize = call_nt_transact_get_user_quota(conn, inbuf, outbuf,
2755                                                          length, bufsize,
2756                                                          &setup, setup_count,
2757                                                          &params, total_parameter_count,
2758                                                          &data, total_data_count);
2759                         END_PROFILE_NESTED(NT_transact_get_user_quota);
2760                         break;
2761                 case NT_TRANSACT_SET_USER_QUOTA:
2762                         START_PROFILE_NESTED(NT_transact_set_user_quota);
2763                         outsize = call_nt_transact_set_user_quota(conn, inbuf, outbuf,
2764                                                          length, bufsize,
2765                                                          &setup, setup_count,
2766                                                          &params, total_parameter_count,
2767                                                          &data, total_data_count);
2768                         END_PROFILE_NESTED(NT_transact_set_user_quota);
2769                         break;
2770 #endif /* HAVE_SYS_QUOTAS */
2771                 default:
2772                         /* Error in request */
2773                         DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n", function_code));
2774                         SAFE_FREE(setup);
2775                         SAFE_FREE(params);
2776                         SAFE_FREE(data);
2777                         END_PROFILE(SMBnttrans);
2778                         srv_signing_trans_stop();
2779                         return ERROR_DOS(ERRSRV,ERRerror);
2780         }
2781
2782         /* As we do not know how many data packets will need to be
2783                 returned here the various call_nt_transact_xxxx calls
2784                 must send their own. Thus a call_nt_transact_xxxx routine only
2785                 returns a value other than -1 when it wants to send
2786                 an error packet.
2787         */
2788
2789         srv_signing_trans_stop();
2790
2791         SAFE_FREE(setup);
2792         SAFE_FREE(params);
2793         SAFE_FREE(data);
2794         END_PROFILE(SMBnttrans);
2795         return outsize; /* If a correct response was needed the call_nt_transact_xxxx
2796                                 calls have already sent it. If outsize != -1 then it is
2797                                 returning an error packet. */
2798
2799  bad_param:
2800
2801         srv_signing_trans_stop();
2802         SAFE_FREE(params);
2803         SAFE_FREE(data);
2804         SAFE_FREE(setup);
2805         END_PROFILE(SMBnttrans);
2806         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2807 }