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 max_send;
  25 extern enum protocol_types Protocol;
  26 extern int smb_read_error;
  27 extern struct current_user current_user;
  28
  29 static const char *known_nt_pipes[] = {
  30         "\\LANMAN",
  31         "\\srvsvc",
  32         "\\samr",
  33         "\\wkssvc",
  34         "\\NETLOGON",
  35         "\\ntlsa",
  36         "\\ntsvcs",
  37         "\\lsass",
  38         "\\lsarpc",
  39         "\\winreg",
  40         "\\spoolss",
  41         "\\netdfs",
  42         "\\rpcecho",
  43         "\\svcctl",
  44         "\\eventlog",
  45         "\\unixinfo",
  46         NULL
  47 };
  48
  49 static char *nttrans_realloc(char **ptr, size_t size)
  50 {
  51         if (ptr==NULL) {
  52                 smb_panic("nttrans_realloc() called with NULL ptr\n");
  53         }
  54
  55         *ptr = (char *)SMB_REALLOC(*ptr, size);
  56         if(*ptr == NULL) {
  57                 return NULL;
  58         }
  59         memset(*ptr,'\0',size);
  60         return *ptr;
  61 }
  62
  63 /****************************************************************************
  64  Send the required number of replies back.
  65  We assume all fields other than the data fields are
  66  set correctly for the type of call.
  67  HACK ! Always assumes smb_setup field is zero.
  68 ****************************************************************************/
  69
  70 static int send_nt_replies(char *inbuf, char *outbuf, int bufsize, NTSTATUS nt_error, char *params,
  71                            int paramsize, char *pdata, int datasize)
  72 {
  73         int data_to_send = datasize;
  74         int params_to_send = paramsize;
  75         int useable_space;
  76         char *pp = params;
  77         char *pd = pdata;
  78         int params_sent_thistime, data_sent_thistime, total_sent_thistime;
  79         int alignment_offset = 3;
  80         int data_alignment_offset = 0;
  81
  82         /*
  83          * Initially set the wcnt area to be 18 - this is true for all
  84          * transNT replies.
  85          */
  86
  87         set_message(outbuf,18,0,True);
  88
  89         if (NT_STATUS_V(nt_error)) {
  90                 ERROR_NT(nt_error);
  91         }
  92
  93         /*
  94          * If there genuinely are no parameters or data to send just send
  95          * the empty packet.
  96          */
  97
  98         if(params_to_send == 0 && data_to_send == 0) {
  99                 show_msg(outbuf);
 100                 if (!send_smb(smbd_server_fd(),outbuf)) {
 101                         exit_server("send_nt_replies: send_smb failed.");
 102                 }
 103                 return 0;
 104         }
 105
 106         /*
 107          * When sending params and data ensure that both are nicely aligned.
 108          * Only do this alignment when there is also data to send - else
 109          * can cause NT redirector problems.
 110          */
 111
 112         if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
 113                 data_alignment_offset = 4 - (params_to_send % 4);
 114         }
 115
 116         /*
 117          * Space is bufsize minus Netbios over TCP header minus SMB header.
 118          * The alignment_offset is to align the param bytes on a four byte
 119          * boundary (2 bytes for data len, one byte pad).
 120          * NT needs this to work correctly.
 121          */
 122
 123         useable_space = bufsize - ((smb_buf(outbuf)+
 124                                 alignment_offset+data_alignment_offset) -
 125                                 outbuf);
 126
 127         /*
 128          * useable_space can never be more than max_send minus the
 129          * alignment offset.
 130          */
 131
 132         useable_space = MIN(useable_space,
 133                                 max_send - (alignment_offset+data_alignment_offset));
 134
 135
 136         while (params_to_send || data_to_send) {
 137
 138                 /*
 139                  * Calculate whether we will totally or partially fill this packet.
 140                  */
 141
 142                 total_sent_thistime = params_to_send + data_to_send +
 143                                         alignment_offset + data_alignment_offset;
 144
 145                 /*
 146                  * We can never send more than useable_space.
 147                  */
 148
 149                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
 150
 151                 set_message(outbuf, 18, total_sent_thistime, True);
 152
 153                 /*
 154                  * Set total params and data to be sent.
 155                  */
 156
 157                 SIVAL(outbuf,smb_ntr_TotalParameterCount,paramsize);
 158                 SIVAL(outbuf,smb_ntr_TotalDataCount,datasize);
 159
 160                 /*
 161                  * Calculate how many parameters and data we can fit into
 162                  * this packet. Parameters get precedence.
 163                  */
 164
 165                 params_sent_thistime = MIN(params_to_send,useable_space);
 166                 data_sent_thistime = useable_space - params_sent_thistime;
 167                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
 168
 169                 SIVAL(outbuf,smb_ntr_ParameterCount,params_sent_thistime);
 170
 171                 if(params_sent_thistime == 0) {
 172                         SIVAL(outbuf,smb_ntr_ParameterOffset,0);
 173                         SIVAL(outbuf,smb_ntr_ParameterDisplacement,0);
 174                 } else {
 175                         /*
 176                          * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
 177                          * parameter bytes, however the first 4 bytes of outbuf are
 178                          * the Netbios over TCP header. Thus use smb_base() to subtract
 179                          * them from the calculation.
 180                          */
 181
 182                         SIVAL(outbuf,smb_ntr_ParameterOffset,
 183                                 ((smb_buf(outbuf)+alignment_offset) - smb_base(outbuf)));
 184                         /*
 185                          * Absolute displacement of param bytes sent in this packet.
 186                          */
 187
 188                         SIVAL(outbuf,smb_ntr_ParameterDisplacement,pp - params);
 189                 }
 190
 191                 /*
 192                  * Deal with the data portion.
 193                  */
 194
 195                 SIVAL(outbuf,smb_ntr_DataCount, data_sent_thistime);
 196
 197                 if(data_sent_thistime == 0) {
 198                         SIVAL(outbuf,smb_ntr_DataOffset,0);
 199                         SIVAL(outbuf,smb_ntr_DataDisplacement, 0);
 200                 } else {
 201                         /*
 202                          * The offset of the data bytes is the offset of the
 203                          * parameter bytes plus the number of parameters being sent this time.
 204                          */
 205
 206                         SIVAL(outbuf,smb_ntr_DataOffset,((smb_buf(outbuf)+alignment_offset) -
 207                                 smb_base(outbuf)) + params_sent_thistime + data_alignment_offset);
 208                                 SIVAL(outbuf,smb_ntr_DataDisplacement, pd - pdata);
 209                 }
 210
 211                 /*
 212                  * Copy the param bytes into the packet.
 213                  */
 214
 215                 if(params_sent_thistime) {
 216                         memcpy((smb_buf(outbuf)+alignment_offset),pp,params_sent_thistime);
 217                 }
 218
 219                 /*
 220                  * Copy in the data bytes
 221                  */
 222
 223                 if(data_sent_thistime) {
 224                         memcpy(smb_buf(outbuf)+alignment_offset+params_sent_thistime+
 225                                 data_alignment_offset,pd,data_sent_thistime);
 226                 }
 227
 228                 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
 229                         params_sent_thistime, data_sent_thistime, useable_space));
 230                 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
 231                         params_to_send, data_to_send, paramsize, datasize));
 232
 233                 /* Send the packet */
 234                 show_msg(outbuf);
 235                 if (!send_smb(smbd_server_fd(),outbuf)) {
 236                         exit_server("send_nt_replies: send_smb failed.");
 237                 }
 238
 239                 pp += params_sent_thistime;
 240                 pd += data_sent_thistime;
 241
 242                 params_to_send -= params_sent_thistime;
 243                 data_to_send -= data_sent_thistime;
 244
 245                 /*
 246                  * Sanity check
 247                  */
 248
 249                 if(params_to_send < 0 || data_to_send < 0) {
 250                         DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
 251                                 params_to_send, data_to_send));
 252                         return -1;
 253                 }
 254         }
 255
 256         return 0;
 257 }
 258
 259 /****************************************************************************
 260  Is it an NTFS stream name ?
 261 ****************************************************************************/
 262
 263 BOOL is_ntfs_stream_name(const char *fname)
 264 {
 265         if (lp_posix_pathnames()) {
 266                 return False;
 267         }
 268         return (strchr_m(fname, ':') != NULL) ? True : False;
 269 }
 270
 271 /****************************************************************************
 272  Save case statics.
 273 ****************************************************************************/
 274
 275 static BOOL saved_case_sensitive;
 276 static BOOL saved_case_preserve;
 277 static BOOL saved_short_case_preserve;
 278
 279 /****************************************************************************
 280  Save case semantics.
 281 ****************************************************************************/
 282
 283 static void set_posix_case_semantics(connection_struct *conn, uint32 file_attributes)
 284 {
 285         if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS)) {
 286                 return;
 287         }
 288
 289         saved_case_sensitive = conn->case_sensitive;
 290         saved_case_preserve = conn->case_preserve;
 291         saved_short_case_preserve = conn->short_case_preserve;
 292
 293         /* Set to POSIX. */
 294         conn->case_sensitive = True;
 295         conn->case_preserve = True;
 296         conn->short_case_preserve = True;
 297 }
 298
 299 /****************************************************************************
 300  Restore case semantics.
 301 ****************************************************************************/
 302
 303 static void restore_case_semantics(connection_struct *conn, uint32 file_attributes)
 304 {
 305         if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS)) {
 306                 return;
 307         }
 308
 309         conn->case_sensitive = saved_case_sensitive;
 310         conn->case_preserve = saved_case_preserve;
 311         conn->short_case_preserve = saved_short_case_preserve;
 312 }
 313
 314 /****************************************************************************
 315  Reply to an NT create and X call on a pipe.
 316 ****************************************************************************/
 317
 318 static int nt_open_pipe(char *fname, connection_struct *conn,
 319                         char *inbuf, char *outbuf, int *ppnum)
 320 {
 321         smb_np_struct *p = NULL;
 322         uint16 vuid = SVAL(inbuf, smb_uid);
 323         int i;
 324
 325         DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
 326
 327         /* See if it is one we want to handle. */
 328
 329         if (lp_disable_spoolss() && strequal(fname, "\\spoolss")) {
 330                 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
 331         }
 332
 333         for( i = 0; known_nt_pipes[i]; i++ ) {
 334                 if( strequal(fname,known_nt_pipes[i])) {
 335                         break;
 336                 }
 337         }
 338
 339         if ( known_nt_pipes[i] == NULL ) {
 340                 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
 341         }
 342
 343         /* Strip \\ off the name. */
 344         fname++;
 345
 346         DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
 347
 348         p = open_rpc_pipe_p(fname, conn, vuid);
 349         if (!p) {
 350                 return(ERROR_DOS(ERRSRV,ERRnofids));
 351         }
 352
 353         /* TODO: Add pipe to db */
 354
 355         if ( !store_pipe_opendb( p ) ) {
 356                 DEBUG(3,("nt_open_pipe: failed to store %s pipe open.\n", fname));
 357         }
 358
 359         *ppnum = p->pnum;
 360         return 0;
 361 }
 362
 363 /****************************************************************************
 364  Reply to an NT create and X call for pipes.
 365 ****************************************************************************/
 366
 367 static int do_ntcreate_pipe_open(connection_struct *conn,
 368                          char *inbuf,char *outbuf,int length,int bufsize)
 369 {
 370         pstring fname;
 371         int ret;
 372         int pnum = -1;
 373         char *p = NULL;
 374
 375         srvstr_pull_buf(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE);
 376
 377         if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0) {
 378                 return ret;
 379         }
 380
 381         /*
 382          * Deal with pipe return.
 383          */
 384
 385         set_message(outbuf,34,0,True);
 386
 387         p = outbuf + smb_vwv2;
 388         p++;
 389         SSVAL(p,0,pnum);
 390         p += 2;
 391         SIVAL(p,0,FILE_WAS_OPENED);
 392         p += 4;
 393         p += 32;
 394         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 395         p += 20;
 396         /* File type. */
 397         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 398         /* Device state. */
 399         SSVAL(p,2, 0x5FF); /* ? */
 400
 401         DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
 402
 403         return chain_reply(inbuf,outbuf,length,bufsize);
 404 }
 405
 406 /****************************************************************************
 407  Reply to an NT create and X call for a quota file.
 408 ****************************************************************************/
 409
 410 int reply_ntcreate_and_X_quota(connection_struct *conn,
 411                                 char *inbuf,
 412                                 char *outbuf,
 413                                 int length,
 414                                 int bufsize,
 415                                 enum FAKE_FILE_TYPE fake_file_type,
 416                                 const char *fname)
 417 {
 418         int result;
 419         char *p;
 420         uint32 desired_access = IVAL(inbuf,smb_ntcreate_DesiredAccess);
 421         files_struct *fsp;
 422         NTSTATUS status;
 423
 424         status = open_fake_file(conn, fake_file_type, fname, desired_access,
 425                                 &fsp);
 426
 427         if (!NT_STATUS_IS_OK(status)) {
 428                 return ERROR_NT(status);
 429         }
 430
 431         set_message(outbuf,34,0,True);
 432
 433         p = outbuf + smb_vwv2;
 434
 435         /* SCVAL(p,0,NO_OPLOCK_RETURN); */
 436         p++;
 437         SSVAL(p,0,fsp->fnum);
 438
 439         DEBUG(5,("reply_ntcreate_and_X_quota: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
 440
 441         result = chain_reply(inbuf,outbuf,length,bufsize);
 442         return result;
 443 }
 444
 445 /****************************************************************************
 446  Reply to an NT create and X call.
 447 ****************************************************************************/
 448
 449 int reply_ntcreate_and_X(connection_struct *conn,
 450                          char *inbuf,char *outbuf,int length,int bufsize)
 451 {
 452         int result;
 453         pstring fname;
 454         uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
 455         uint32 access_mask = IVAL(inbuf,smb_ntcreate_DesiredAccess);
 456         uint32 file_attributes = IVAL(inbuf,smb_ntcreate_FileAttributes);
 457         uint32 share_access = IVAL(inbuf,smb_ntcreate_ShareAccess);
 458         uint32 create_disposition = IVAL(inbuf,smb_ntcreate_CreateDisposition);
 459         uint32 create_options = IVAL(inbuf,smb_ntcreate_CreateOptions);
 460         uint16 root_dir_fid = (uint16)IVAL(inbuf,smb_ntcreate_RootDirectoryFid);
 461         /* Breakout the oplock request bits so we can set the
 462            reply bits separately. */
 463         int oplock_request = 0;
 464         uint32 fattr=0;
 465         SMB_OFF_T file_len = 0;
 466         SMB_STRUCT_STAT sbuf;
 467         int info = 0;
 468         BOOL bad_path = False;
 469         files_struct *fsp=NULL;
 470         char *p = NULL;
 471         struct timespec c_timespec;
 472         struct timespec a_timespec;
 473         struct timespec m_timespec;
 474         BOOL extended_oplock_granted = False;
 475         NTSTATUS status;
 476
 477         START_PROFILE(SMBntcreateX);
 478
 479         DEBUG(10,("reply_ntcreateX: flags = 0x%x, access_mask = 0x%x \
 480 file_attributes = 0x%x, share_access = 0x%x, create_disposition = 0x%x \
 481 create_options = 0x%x root_dir_fid = 0x%x\n",
 482                         (unsigned int)flags,
 483                         (unsigned int)access_mask,
 484                         (unsigned int)file_attributes,
 485                         (unsigned int)share_access,
 486                         (unsigned int)create_disposition,
 487                         (unsigned int)create_options,
 488                         (unsigned int)root_dir_fid ));
 489
 490         /* If it's an IPC, use the pipe handler. */
 491
 492         if (IS_IPC(conn)) {
 493                 if (lp_nt_pipe_support()) {
 494                         END_PROFILE(SMBntcreateX);
 495                         return do_ntcreate_pipe_open(conn,inbuf,outbuf,length,bufsize);
 496                 } else {
 497                         END_PROFILE(SMBntcreateX);
 498                         return(ERROR_DOS(ERRDOS,ERRnoaccess));
 499                 }
 500         }
 501
 502         if (create_options & FILE_OPEN_BY_FILE_ID) {
 503                 END_PROFILE(SMBntcreateX);
 504                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
 505         }
 506
 507         /*
 508          * Get the file name.
 509          */
 510
 511         if(root_dir_fid != 0) {
 512                 /*
 513                  * This filename is relative to a directory fid.
 514                  */
 515                 pstring rel_fname;
 516                 files_struct *dir_fsp = file_fsp(inbuf,smb_ntcreate_RootDirectoryFid);
 517                 size_t dir_name_len;
 518
 519                 if(!dir_fsp) {
 520                         END_PROFILE(SMBntcreateX);
 521                         return(ERROR_DOS(ERRDOS,ERRbadfid));
 522                 }
 523
 524                 if(!dir_fsp->is_directory) {
 525
 526                         srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status);
 527                         if (!NT_STATUS_IS_OK(status)) {
 528                                 END_PROFILE(SMBntcreateX);
 529                                 return ERROR_NT(status);
 530                         }
 531
 532                         /*
 533                          * Check to see if this is a mac fork of some kind.
 534                          */
 535
 536                         if( is_ntfs_stream_name(fname)) {
 537                                 END_PROFILE(SMBntcreateX);
 538                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 539                         }
 540
 541                         /*
 542                           we need to handle the case when we get a
 543                           relative open relative to a file and the
 544                           pathname is blank - this is a reopen!
 545                           (hint from demyn plantenberg)
 546                         */
 547
 548                         END_PROFILE(SMBntcreateX);
 549                         return(ERROR_DOS(ERRDOS,ERRbadfid));
 550                 }
 551
 552                 /*
 553                  * Copy in the base directory name.
 554                  */
 555
 556                 pstrcpy( fname, dir_fsp->fsp_name );
 557                 dir_name_len = strlen(fname);
 558
 559                 /*
 560                  * Ensure it ends in a '\'.
 561                  */
 562
 563                 if(fname[dir_name_len-1] != '\\' && fname[dir_name_len-1] != '/') {
 564                         pstrcat(fname, "/");
 565                         dir_name_len++;
 566                 }
 567
 568                 srvstr_get_path(inbuf, rel_fname, smb_buf(inbuf), sizeof(rel_fname), 0, STR_TERMINATE, &status);
 569                 if (!NT_STATUS_IS_OK(status)) {
 570                         END_PROFILE(SMBntcreateX);
 571                         return ERROR_NT(status);
 572                 }
 573                 pstrcat(fname, rel_fname);
 574         } else {
 575                 srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status);
 576                 if (!NT_STATUS_IS_OK(status)) {
 577                         END_PROFILE(SMBntcreateX);
 578                         return ERROR_NT(status);
 579                 }
 580
 581                 /*
 582                  * Check to see if this is a mac fork of some kind.
 583                  */
 584
 585                 if( is_ntfs_stream_name(fname)) {
 586                         enum FAKE_FILE_TYPE fake_file_type = is_fake_file(fname);
 587                         if (fake_file_type!=FAKE_FILE_TYPE_NONE) {
 588                                 /*
 589                                  * Here we go! support for changing the disk quotas --metze
 590                                  *
 591                                  * We need to fake up to open this MAGIC QUOTA file
 592                                  * and return a valid FID.
 593                                  *
 594                                  * w2k close this file directly after openening
 595                                  * xp also tries a QUERY_FILE_INFO on the file and then close it
 596                                  */
 597                                 result = reply_ntcreate_and_X_quota(conn, inbuf, outbuf, length, bufsize,
 598                                                                 fake_file_type, fname);
 599                                 END_PROFILE(SMBntcreateX);
 600                                 return result;
 601                         } else {
 602                                 END_PROFILE(SMBntcreateX);
 603                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 604                         }
 605                 }
 606         }
 607
 608         /*
 609          * Now contruct the smb_open_mode value from the filename,
 610          * desired access and the share access.
 611          */
 612         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
 613
 614         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 615         if (oplock_request) {
 616                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
 617         }
 618
 619         /*
 620          * Ordinary file or directory.
 621          */
 622
 623         /*
 624          * Check if POSIX semantics are wanted.
 625          */
 626
 627         set_posix_case_semantics(conn, file_attributes);
 628
 629         unix_convert(fname,conn,0,&bad_path,&sbuf);
 630
 631         if (bad_path) {
 632                 restore_case_semantics(conn, file_attributes);
 633                 END_PROFILE(SMBntcreateX);
 634                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 635         }
 636         /* All file access must go through check_name() */
 637         if (!check_name(fname,conn)) {
 638                 restore_case_semantics(conn, file_attributes);
 639                 END_PROFILE(SMBntcreateX);
 640                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRbadpath);
 641         }
 642
 643 #if 0
 644         /* This is the correct thing to do (check every time) but can_delete is
 645            expensive (it may have to read the parent directory permissions). So
 646            for now we're not doing it unless we have a strong hint the client
 647            is really going to delete this file. */
 648         if (desired_access & DELETE_ACCESS) {
 649 #else
 650         /* Setting FILE_SHARE_DELETE is the hint. */
 651         if (lp_acl_check_permissions(SNUM(conn)) && (share_access & FILE_SHARE_DELETE)
 652                                 && (access_mask & DELETE_ACCESS)) {
 653 #endif
 654                 status = can_delete(conn, fname, file_attributes, bad_path, True);
 655                 /* We're only going to fail here if it's access denied, as that's the
 656                    only error we care about for "can we delete this ?" questions. */
 657                 if (!NT_STATUS_IS_OK(status) && (NT_STATUS_EQUAL(status,NT_STATUS_ACCESS_DENIED) ||
 658                                                  NT_STATUS_EQUAL(status,NT_STATUS_CANNOT_DELETE))) {
 659                         restore_case_semantics(conn, file_attributes);
 660                         END_PROFILE(SMBntcreateX);
 661                         return ERROR_NT(NT_STATUS_ACCESS_DENIED);
 662                 }
 663         }
 664
 665         /*
 666          * If it's a request for a directory open, deal with it separately.
 667          */
 668
 669         if(create_options & FILE_DIRECTORY_FILE) {
 670                 oplock_request = 0;
 671
 672                 /* Can't open a temp directory. IFS kit test. */
 673                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
 674                         END_PROFILE(SMBntcreateX);
 675                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
 676                 }
 677
 678                 status = open_directory(conn, fname, &sbuf,
 679                                         access_mask,
 680                                         share_access,
 681                                         create_disposition,
 682                                         create_options,
 683                                         &info, &fsp);
 684
 685                 restore_case_semantics(conn, file_attributes);
 686
 687                 if(!NT_STATUS_IS_OK(status)) {
 688                         END_PROFILE(SMBntcreateX);
 689                         return ERROR_NT(status);
 690                 }
 691         } else {
 692                 /*
 693                  * Ordinary file case.
 694                  */
 695
 696                 /* NB. We have a potential bug here. If we
 697                  * cause an oplock break to ourselves, then we
 698                  * could end up processing filename related
 699                  * SMB requests whilst we await the oplock
 700                  * break response. As we may have changed the
 701                  * filename case semantics to be POSIX-like,
 702                  * this could mean a filename request could
 703                  * fail when it should succeed. This is a rare
 704                  * condition, but eventually we must arrange
 705                  * to restore the correct case semantics
 706                  * before issuing an oplock break request to
 707                  * our client. JRA.  */
 708
 709                 status = open_file_ntcreate(conn,fname,&sbuf,
 710                                         access_mask,
 711                                         share_access,
 712                                         create_disposition,
 713                                         create_options,
 714                                         file_attributes,
 715                                         oplock_request,
 716                                         &info, &fsp);
 717                 if (!NT_STATUS_IS_OK(status)) {
 718                         /* We cheat here. There are two cases we
 719                          * care about. One is a directory rename,
 720                          * where the NT client will attempt to
 721                          * open the source directory for
 722                          * DELETE access. Note that when the
 723                          * NT client does this it does *not*
 724                          * set the directory bit in the
 725                          * request packet. This is translated
 726                          * into a read/write open
 727                          * request. POSIX states that any open
 728                          * for write request on a directory
 729                          * will generate an EISDIR error, so
 730                          * we can catch this here and open a
 731                          * pseudo handle that is flagged as a
 732                          * directory. The second is an open
 733                          * for a permissions read only, which
 734                          * we handle in the open_file_stat case. JRA.
 735                          */
 736
 737                         if (NT_STATUS_EQUAL(status,
 738                                             NT_STATUS_FILE_IS_A_DIRECTORY)) {
 739
 740                                 /*
 741                                  * Fail the open if it was explicitly a non-directory file.
 742                                  */
 743
 744                                 if (create_options & FILE_NON_DIRECTORY_FILE) {
 745                                         restore_case_semantics(conn, file_attributes);
 746                                         END_PROFILE(SMBntcreateX);
 747                                         return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
 748                                 }
 749
 750                                 oplock_request = 0;
 751                                 status = open_directory(conn, fname, &sbuf,
 752                                                         access_mask,
 753                                                         share_access,
 754                                                         create_disposition,
 755                                                         create_options,
 756                                                         &info, &fsp);
 757
 758                                 if(!NT_STATUS_IS_OK(status)) {
 759                                         restore_case_semantics(conn, file_attributes);
 760                                         END_PROFILE(SMBntcreateX);
 761                                         return ERROR_NT(status);
 762                                 }
 763                         } else {
 764
 765                                 restore_case_semantics(conn, file_attributes);
 766                                 END_PROFILE(SMBntcreateX);
 767                                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
 768                                         /* We have re-scheduled this call. */
 769                                         return -1;
 770                                 }
 771                                 return ERROR_NT(status);
 772                         }
 773                 }
 774         }
 775
 776         restore_case_semantics(conn, file_attributes);
 777
 778         file_len = sbuf.st_size;
 779         fattr = dos_mode(conn,fname,&sbuf);
 780         if(fattr == 0) {
 781                 fattr = FILE_ATTRIBUTE_NORMAL;
 782         }
 783         if (!fsp->is_directory && (fattr & aDIR)) {
 784                 close_file(fsp,ERROR_CLOSE);
 785                 END_PROFILE(SMBntcreateX);
 786                 return ERROR_DOS(ERRDOS,ERRnoaccess);
 787         }
 788
 789         /* Save the requested allocation size. */
 790         if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
 791                 SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize);
 792 #ifdef LARGE_SMB_OFF_T
 793                 allocation_size |= (((SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
 794 #endif
 795                 if (allocation_size && (allocation_size > (SMB_BIG_UINT)file_len)) {
 796                         fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
 797                         if (fsp->is_directory) {
 798                                 close_file(fsp,ERROR_CLOSE);
 799                                 END_PROFILE(SMBntcreateX);
 800                                 /* Can't set allocation size on a directory. */
 801                                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
 802                         }
 803                         if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
 804                                 close_file(fsp,ERROR_CLOSE);
 805                                 END_PROFILE(SMBntcreateX);
 806                                 return ERROR_NT(NT_STATUS_DISK_FULL);
 807                         }
 808                 } else {
 809                         fsp->initial_allocation_size = smb_roundup(fsp->conn,(SMB_BIG_UINT)file_len);
 810                 }
 811         }
 812
 813         /*
 814          * If the caller set the extended oplock request bit
 815          * and we granted one (by whatever means) - set the
 816          * correct bit for extended oplock reply.
 817          */
 818
 819         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
 820                 extended_oplock_granted = True;
 821         }
 822
 823         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
 824                 extended_oplock_granted = True;
 825         }
 826
 827 #if 0
 828         /* W2K sends back 42 words here ! If we do the same it breaks offline sync. Go figure... ? JRA. */
 829         set_message(outbuf,42,0,True);
 830 #else
 831         set_message(outbuf,34,0,True);
 832 #endif
 833
 834         p = outbuf + smb_vwv2;
 835
 836         /*
 837          * Currently as we don't support level II oplocks we just report
 838          * exclusive & batch here.
 839          */
 840
 841         if (extended_oplock_granted) {
 842                 if (flags & REQUEST_BATCH_OPLOCK) {
 843                         SCVAL(p,0, BATCH_OPLOCK_RETURN);
 844                 } else {
 845                         SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
 846                 }
 847         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
 848                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
 849         } else {
 850                 SCVAL(p,0,NO_OPLOCK_RETURN);
 851         }
 852
 853         p++;
 854         SSVAL(p,0,fsp->fnum);
 855         p += 2;
 856         if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
 857                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
 858         } else {
 859                 SIVAL(p,0,info);
 860         }
 861         p += 4;
 862
 863         /* Create time. */
 864         c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
 865         a_timespec = get_atimespec(&sbuf);
 866         m_timespec = get_mtimespec(&sbuf);
 867
 868         if (lp_dos_filetime_resolution(SNUM(conn))) {
 869                 dos_filetime_timespec(&c_timespec);
 870                 dos_filetime_timespec(&a_timespec);
 871                 dos_filetime_timespec(&m_timespec);
 872         }
 873
 874         put_long_date_timespec(p, c_timespec);
 875         p += 8;
 876         put_long_date_timespec(p, a_timespec); /* access time */
 877         p += 8;
 878         put_long_date_timespec(p, m_timespec); /* write time */
 879         p += 8;
 880         put_long_date_timespec(p, m_timespec); /* change time */
 881         p += 8;
 882         SIVAL(p,0,fattr); /* File Attributes. */
 883         p += 4;
 884         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
 885         p += 8;
 886         SOFF_T(p,0,file_len);
 887         p += 8;
 888         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 889                 SSVAL(p,2,0x7);
 890         }
 891         p += 4;
 892         SCVAL(p,0,fsp->is_directory ? 1 : 0);
 893
 894         DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
 895
 896         result = chain_reply(inbuf,outbuf,length,bufsize);
 897         END_PROFILE(SMBntcreateX);
 898         return result;
 899 }
 900
 901 /****************************************************************************
 902  Reply to a NT_TRANSACT_CREATE call to open a pipe.
 903 ****************************************************************************/
 904
 905 static int do_nt_transact_create_pipe( connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
 906                                   uint16 **ppsetup, uint32 setup_count,
 907                                   char **ppparams, uint32 parameter_count,
 908                                   char **ppdata, uint32 data_count)
 909 {
 910         pstring fname;
 911         char *params = *ppparams;
 912         int ret;
 913         int pnum = -1;
 914         char *p = NULL;
 915         NTSTATUS status;
 916
 917         /*
 918          * Ensure minimum number of parameters sent.
 919          */
 920
 921         if(parameter_count < 54) {
 922                 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
 923                 return ERROR_DOS(ERRDOS,ERRnoaccess);
 924         }
 925
 926         srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
 927         if (!NT_STATUS_IS_OK(status)) {
 928                 return ERROR_NT(status);
 929         }
 930
 931         if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0) {
 932                 return ret;
 933         }
 934
 935         /* Realloc the size of parameters and data we will return */
 936         params = nttrans_realloc(ppparams, 69);
 937         if(params == NULL) {
 938                 return ERROR_DOS(ERRDOS,ERRnomem);
 939         }
 940
 941         p = params;
 942         SCVAL(p,0,NO_OPLOCK_RETURN);
 943
 944         p += 2;
 945         SSVAL(p,0,pnum);
 946         p += 2;
 947         SIVAL(p,0,FILE_WAS_OPENED);
 948         p += 8;
 949
 950         p += 32;
 951         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 952         p += 20;
 953         /* File type. */
 954         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 955         /* Device state. */
 956         SSVAL(p,2, 0x5FF); /* ? */
 957
 958         DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
 959
 960         /* Send the required number of replies */
 961         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
 962
 963         return -1;
 964 }
 965
 966 /****************************************************************************
 967  Internal fn to set security descriptors.
 968 ****************************************************************************/
 969
 970 static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent)
 971 {
 972         prs_struct pd;
 973         SEC_DESC *psd = NULL;
 974         TALLOC_CTX *mem_ctx;
 975         BOOL ret;
 976
 977         if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
 978                 return NT_STATUS_OK;
 979         }
 980
 981         /*
 982          * Init the parse struct we will unmarshall from.
 983          */
 984
 985         if ((mem_ctx = talloc_init("set_sd")) == NULL) {
 986                 DEBUG(0,("set_sd: talloc_init failed.\n"));
 987                 return NT_STATUS_NO_MEMORY;
 988         }
 989
 990         prs_init(&pd, 0, mem_ctx, UNMARSHALL);
 991
 992         /*
 993          * Setup the prs_struct to point at the memory we just
 994          * allocated.
 995          */
 996
 997         prs_give_memory( &pd, data, sd_len, False);
 998
 999         /*
1000          * Finally, unmarshall from the data buffer.
1001          */
1002
1003         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1004                 DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
1005                 /*
1006                  * Return access denied for want of a better error message..
1007                  */
1008                 talloc_destroy(mem_ctx);
1009                 return NT_STATUS_NO_MEMORY;
1010         }
1011
1012         if (psd->off_owner_sid==0) {
1013                 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
1014         }
1015         if (psd->off_grp_sid==0) {
1016                 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
1017         }
1018         if (psd->off_sacl==0) {
1019                 security_info_sent &= ~SACL_SECURITY_INFORMATION;
1020         }
1021         if (psd->off_dacl==0) {
1022                 security_info_sent &= ~DACL_SECURITY_INFORMATION;
1023         }
1024
1025         ret = SMB_VFS_FSET_NT_ACL( fsp, fsp->fh->fd, security_info_sent, psd);
1026
1027         if (!ret) {
1028                 talloc_destroy(mem_ctx);
1029                 return NT_STATUS_ACCESS_DENIED;
1030         }
1031
1032         talloc_destroy(mem_ctx);
1033
1034         return NT_STATUS_OK;
1035 }
1036
1037 /****************************************************************************
1038  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
1039 ****************************************************************************/
1040
1041 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
1042 {
1043         struct ea_list *ea_list_head = NULL;
1044         size_t offset = 0;
1045
1046         if (data_size < 4) {
1047                 return NULL;
1048         }
1049
1050         while (offset + 4 <= data_size) {
1051                 size_t next_offset = IVAL(pdata,offset);
1052                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
1053
1054                 if (!eal) {
1055                         return NULL;
1056                 }
1057
1058                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
1059                 if (next_offset == 0) {
1060                         break;
1061                 }
1062                 offset += next_offset;
1063         }
1064
1065         return ea_list_head;
1066 }
1067
1068 /****************************************************************************
1069  Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1070 ****************************************************************************/
1071
1072 static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1073                                   uint16 **ppsetup, uint32 setup_count,
1074                                   char **ppparams, uint32 parameter_count,
1075                                   char **ppdata, uint32 data_count, uint32 max_data_count)
1076 {
1077         pstring fname;
1078         char *params = *ppparams;
1079         char *data = *ppdata;
1080         /* Breakout the oplock request bits so we can set the reply bits separately. */
1081         int oplock_request = 0;
1082         uint32 fattr=0;
1083         SMB_OFF_T file_len = 0;
1084         SMB_STRUCT_STAT sbuf;
1085         int info = 0;
1086         BOOL bad_path = False;
1087         files_struct *fsp = NULL;
1088         char *p = NULL;
1089         BOOL extended_oplock_granted = False;
1090         uint32 flags;
1091         uint32 access_mask;
1092         uint32 file_attributes;
1093         uint32 share_access;
1094         uint32 create_disposition;
1095         uint32 create_options;
1096         uint32 sd_len;
1097         uint32 ea_len;
1098         uint16 root_dir_fid;
1099         struct timespec c_timespec;
1100         struct timespec a_timespec;
1101         struct timespec m_timespec;
1102         struct ea_list *ea_list = NULL;
1103         TALLOC_CTX *ctx = NULL;
1104         char *pdata = NULL;
1105         NTSTATUS status;
1106
1107         DEBUG(5,("call_nt_transact_create\n"));
1108
1109         /*
1110          * If it's an IPC, use the pipe handler.
1111          */
1112
1113         if (IS_IPC(conn)) {
1114                 if (lp_nt_pipe_support()) {
1115                         return do_nt_transact_create_pipe(conn, inbuf, outbuf, length,
1116                                         bufsize,
1117                                         ppsetup, setup_count,
1118                                         ppparams, parameter_count,
1119                                         ppdata, data_count);
1120                 } else {
1121                         return ERROR_DOS(ERRDOS,ERRnoaccess);
1122                 }
1123         }
1124
1125         /*
1126          * Ensure minimum number of parameters sent.
1127          */
1128
1129         if(parameter_count < 54) {
1130                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1131                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1132         }
1133
1134         flags = IVAL(params,0);
1135         access_mask = IVAL(params,8);
1136         file_attributes = IVAL(params,20);
1137         share_access = IVAL(params,24);
1138         create_disposition = IVAL(params,28);
1139         create_options = IVAL(params,32);
1140         sd_len = IVAL(params,36);
1141         ea_len = IVAL(params,40);
1142         root_dir_fid = (uint16)IVAL(params,4);
1143
1144         /* Ensure the data_len is correct for the sd and ea values given. */
1145         if ((ea_len + sd_len > data_count) ||
1146                         (ea_len > data_count) || (sd_len > data_count) ||
1147                         (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1148                 DEBUG(10,("call_nt_transact_create - ea_len = %u, sd_len = %u, data_count = %u\n",
1149                         (unsigned int)ea_len, (unsigned int)sd_len, (unsigned int)data_count ));
1150                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1151         }
1152
1153         if (ea_len) {
1154                 if (!lp_ea_support(SNUM(conn))) {
1155                         DEBUG(10,("call_nt_transact_create - ea_len = %u but EA's not supported.\n",
1156                                 (unsigned int)ea_len ));
1157                         return ERROR_NT(NT_STATUS_EAS_NOT_SUPPORTED);
1158                 }
1159
1160                 if (ea_len < 10) {
1161                         DEBUG(10,("call_nt_transact_create - ea_len = %u - too small (should be more than 10)\n",
1162                                 (unsigned int)ea_len ));
1163                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1164                 }
1165         }
1166
1167         if (create_options & FILE_OPEN_BY_FILE_ID) {
1168                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1169         }
1170
1171         /*
1172          * Get the file name.
1173          */
1174
1175         if(root_dir_fid != 0) {
1176                 /*
1177                  * This filename is relative to a directory fid.
1178                  */
1179                 files_struct *dir_fsp = file_fsp(params,4);
1180                 size_t dir_name_len;
1181
1182                 if(!dir_fsp) {
1183                         return ERROR_DOS(ERRDOS,ERRbadfid);
1184                 }
1185
1186                 if(!dir_fsp->is_directory) {
1187                         srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
1188                         if (!NT_STATUS_IS_OK(status)) {
1189                                 return ERROR_NT(status);
1190                         }
1191
1192                         /*
1193                          * Check to see if this is a mac fork of some kind.
1194                          */
1195
1196                         if( is_ntfs_stream_name(fname)) {
1197                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1198                         }
1199
1200                         return ERROR_DOS(ERRDOS,ERRbadfid);
1201                 }
1202
1203                 /*
1204                  * Copy in the base directory name.
1205                  */
1206
1207                 pstrcpy( fname, dir_fsp->fsp_name );
1208                 dir_name_len = strlen(fname);
1209
1210                 /*
1211                  * Ensure it ends in a '\'.
1212                  */
1213
1214                 if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
1215                         pstrcat(fname, "/");
1216                         dir_name_len++;
1217                 }
1218
1219                 {
1220                         pstring tmpname;
1221                         srvstr_get_path(inbuf, tmpname, params+53, sizeof(tmpname), parameter_count-53, STR_TERMINATE, &status);
1222                         if (!NT_STATUS_IS_OK(status)) {
1223                                 return ERROR_NT(status);
1224                         }
1225                         pstrcat(fname, tmpname);
1226                 }
1227         } else {
1228                 srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
1229                 if (!NT_STATUS_IS_OK(status)) {
1230                         return ERROR_NT(status);
1231                 }
1232
1233                 /*
1234                  * Check to see if this is a mac fork of some kind.
1235                  */
1236
1237                 if( is_ntfs_stream_name(fname)) {
1238                         return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1239                 }
1240         }
1241
1242         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1243         oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1244
1245         /*
1246          * Check if POSIX semantics are wanted.
1247          */
1248
1249         set_posix_case_semantics(conn, file_attributes);
1250
1251         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
1252
1253         unix_convert(fname,conn,0,&bad_path,&sbuf);
1254         if (bad_path) {
1255                 restore_case_semantics(conn, file_attributes);
1256                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1257         }
1258         /* All file access must go through check_name() */
1259         if (!check_name(fname,conn)) {
1260                 restore_case_semantics(conn, file_attributes);
1261                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRbadpath);
1262         }
1263
1264 #if 0
1265         /* This is the correct thing to do (check every time) but can_delete is
1266            expensive (it may have to read the parent directory permissions). So
1267            for now we're not doing it unless we have a strong hint the client
1268            is really going to delete this file. */
1269         if (desired_access & DELETE_ACCESS) {
1270 #else
1271         /* Setting FILE_SHARE_DELETE is the hint. */
1272         if (lp_acl_check_permissions(SNUM(conn)) && (share_access & FILE_SHARE_DELETE) && (access_mask & DELETE_ACCESS)) {
1273 #endif
1274                 status = can_delete(conn, fname, file_attributes, bad_path, True);
1275                 /* We're only going to fail here if it's access denied, as that's the
1276                    only error we care about for "can we delete this ?" questions. */
1277                 if (!NT_STATUS_IS_OK(status) && (NT_STATUS_EQUAL(status,NT_STATUS_ACCESS_DENIED) ||
1278                                                  NT_STATUS_EQUAL(status,NT_STATUS_CANNOT_DELETE))) {
1279                         restore_case_semantics(conn, file_attributes);
1280                         return ERROR_NT(status);
1281                 }
1282         }
1283
1284         if (ea_len) {
1285                 ctx = talloc_init("NTTRANS_CREATE_EA");
1286                 if (!ctx) {
1287                         talloc_destroy(ctx);
1288                         restore_case_semantics(conn, file_attributes);
1289                         return ERROR_NT(NT_STATUS_NO_MEMORY);
1290                 }
1291
1292                 pdata = data + sd_len;
1293
1294                 /* We have already checked that ea_len <= data_count here. */
1295                 ea_list = read_nttrans_ea_list(ctx, pdata, ea_len);
1296                 if (!ea_list ) {
1297                         talloc_destroy(ctx);
1298                         restore_case_semantics(conn, file_attributes);
1299                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1300                 }
1301         }
1302
1303         /*
1304          * If it's a request for a directory open, deal with it separately.
1305          */
1306
1307         if(create_options & FILE_DIRECTORY_FILE) {
1308
1309                 /* Can't open a temp directory. IFS kit test. */
1310                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
1311                         talloc_destroy(ctx);
1312                         restore_case_semantics(conn, file_attributes);
1313                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1314                 }
1315
1316                 oplock_request = 0;
1317
1318                 /*
1319                  * We will get a create directory here if the Win32
1320                  * app specified a security descriptor in the
1321                  * CreateDirectory() call.
1322                  */
1323
1324                 status = open_directory(conn, fname, &sbuf,
1325                                         access_mask,
1326                                         share_access,
1327                                         create_disposition,
1328                                         create_options,
1329                                         &info, &fsp);
1330                 if(!NT_STATUS_IS_OK(status)) {
1331                         talloc_destroy(ctx);
1332                         restore_case_semantics(conn, file_attributes);
1333                         return ERROR_NT(status);
1334                 }
1335
1336         } else {
1337
1338                 /*
1339                  * Ordinary file case.
1340                  */
1341
1342                 status = open_file_ntcreate(conn,fname,&sbuf,
1343                                         access_mask,
1344                                         share_access,
1345                                         create_disposition,
1346                                         create_options,
1347                                         file_attributes,
1348                                         oplock_request,
1349                                         &info, &fsp);
1350
1351                 if (!NT_STATUS_IS_OK(status)) {
1352                         if (NT_STATUS_EQUAL(status,
1353                                             NT_STATUS_FILE_IS_A_DIRECTORY)) {
1354
1355                                 /*
1356                                  * Fail the open if it was explicitly a non-directory file.
1357                                  */
1358
1359                                 if (create_options & FILE_NON_DIRECTORY_FILE) {
1360                                         restore_case_semantics(conn, file_attributes);
1361                                         return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
1362                                 }
1363
1364                                 oplock_request = 0;
1365                                 status = open_directory(conn, fname, &sbuf,
1366                                                         access_mask,
1367                                                         share_access,
1368                                                         create_disposition,
1369                                                         create_options,
1370                                                         &info, &fsp);
1371                                 if(!NT_STATUS_IS_OK(status)) {
1372                                         talloc_destroy(ctx);
1373                                         restore_case_semantics(conn, file_attributes);
1374                                         return ERROR_NT(status);
1375                                 }
1376                         } else {
1377                                 talloc_destroy(ctx);
1378                                 restore_case_semantics(conn, file_attributes);
1379                                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1380                                         /* We have re-scheduled this call. */
1381                                         return -1;
1382                                 }
1383                                 return ERROR_NT(status);
1384                         }
1385                 }
1386         }
1387
1388         /*
1389          * According to the MS documentation, the only time the security
1390          * descriptor is applied to the opened file is iff we *created* the
1391          * file; an existing file stays the same.
1392          *
1393          * Also, it seems (from observation) that you can open the file with
1394          * any access mask but you can still write the sd. We need to override
1395          * the granted access before we call set_sd
1396          * Patch for bug #2242 from Tom Lackemann <cessnatomny@yahoo.com>.
1397          */
1398
1399         if (lp_nt_acl_support(SNUM(conn)) && sd_len && info == FILE_WAS_CREATED) {
1400                 uint32 saved_access_mask = fsp->access_mask;
1401
1402                 /* We have already checked that sd_len <= data_count here. */
1403
1404                 fsp->access_mask = FILE_GENERIC_ALL;
1405
1406                 status = set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION);
1407                 if (!NT_STATUS_IS_OK(status)) {
1408                         talloc_destroy(ctx);
1409                         close_file(fsp,ERROR_CLOSE);
1410                         restore_case_semantics(conn, file_attributes);
1411                         return ERROR_NT(status);
1412                 }
1413                 fsp->access_mask = saved_access_mask;
1414         }
1415
1416         if (ea_len && (info == FILE_WAS_CREATED)) {
1417                 status = set_ea(conn, fsp, fname, ea_list);
1418                 talloc_destroy(ctx);
1419                 if (!NT_STATUS_IS_OK(status)) {
1420                         close_file(fsp,ERROR_CLOSE);
1421                         restore_case_semantics(conn, file_attributes);
1422                         return ERROR_NT(status);
1423                 }
1424         }
1425
1426         restore_case_semantics(conn, file_attributes);
1427
1428         file_len = sbuf.st_size;
1429         fattr = dos_mode(conn,fname,&sbuf);
1430         if(fattr == 0) {
1431                 fattr = FILE_ATTRIBUTE_NORMAL;
1432         }
1433         if (!fsp->is_directory && (fattr & aDIR)) {
1434                 close_file(fsp,ERROR_CLOSE);
1435                 return ERROR_DOS(ERRDOS,ERRnoaccess);
1436         }
1437
1438         /* Save the requested allocation size. */
1439         if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
1440                 SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(params,12);
1441 #ifdef LARGE_SMB_OFF_T
1442                 allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
1443 #endif
1444                 if (allocation_size && (allocation_size > file_len)) {
1445                         fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
1446                         if (fsp->is_directory) {
1447                                 close_file(fsp,ERROR_CLOSE);
1448                                 /* Can't set allocation size on a directory. */
1449                                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1450                         }
1451                         if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1452                                 close_file(fsp,ERROR_CLOSE);
1453                                 return ERROR_NT(NT_STATUS_DISK_FULL);
1454                         }
1455                 } else {
1456                         fsp->initial_allocation_size = smb_roundup(fsp->conn, (SMB_BIG_UINT)file_len);
1457                 }
1458         }
1459
1460         /*
1461          * If the caller set the extended oplock request bit
1462          * and we granted one (by whatever means) - set the
1463          * correct bit for extended oplock reply.
1464          */
1465
1466         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1467                 extended_oplock_granted = True;
1468         }
1469
1470         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1471                 extended_oplock_granted = True;
1472         }
1473
1474         /* Realloc the size of parameters and data we will return */
1475         params = nttrans_realloc(ppparams, 69);
1476         if(params == NULL) {
1477                 return ERROR_DOS(ERRDOS,ERRnomem);
1478         }
1479
1480         p = params;
1481         if (extended_oplock_granted) {
1482                 SCVAL(p,0, BATCH_OPLOCK_RETURN);
1483         } else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type)) {
1484                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
1485         } else {
1486                 SCVAL(p,0,NO_OPLOCK_RETURN);
1487         }
1488
1489         p += 2;
1490         SSVAL(p,0,fsp->fnum);
1491         p += 2;
1492         if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
1493                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1494         } else {
1495                 SIVAL(p,0,info);
1496         }
1497         p += 8;
1498
1499         /* Create time. */
1500         c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1501         a_timespec = get_atimespec(&sbuf);
1502         m_timespec = get_mtimespec(&sbuf);
1503
1504         if (lp_dos_filetime_resolution(SNUM(conn))) {
1505                 dos_filetime_timespec(&c_timespec);
1506                 dos_filetime_timespec(&a_timespec);
1507                 dos_filetime_timespec(&m_timespec);
1508         }
1509
1510         put_long_date_timespec(p, c_timespec); /* create time. */
1511         p += 8;
1512         put_long_date_timespec(p, a_timespec); /* access time */
1513         p += 8;
1514         put_long_date_timespec(p, m_timespec); /* write time */
1515         p += 8;
1516         put_long_date_timespec(p, m_timespec); /* change time */
1517         p += 8;
1518         SIVAL(p,0,fattr); /* File Attributes. */
1519         p += 4;
1520         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1521         p += 8;
1522         SOFF_T(p,0,file_len);
1523         p += 8;
1524         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1525                 SSVAL(p,2,0x7);
1526         }
1527         p += 4;
1528         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1529
1530         DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
1531
1532         /* Send the required number of replies */
1533         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
1534
1535         return -1;
1536 }
1537
1538 /****************************************************************************
1539  Reply to a NT CANCEL request.
1540  conn POINTER CAN BE NULL HERE !
1541 ****************************************************************************/
1542
1543 int reply_ntcancel(connection_struct *conn,
1544                    char *inbuf,char *outbuf,int length,int bufsize)
1545 {
1546         /*
1547          * Go through and cancel any pending change notifies.
1548          */
1549
1550         int mid = SVAL(inbuf,smb_mid);
1551         START_PROFILE(SMBntcancel);
1552         remove_pending_change_notify_requests_by_mid(mid);
1553         remove_pending_lock_requests_by_mid(mid);
1554         srv_cancel_sign_response(mid);
1555
1556         DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", mid));
1557
1558         END_PROFILE(SMBntcancel);
1559         return(-1);
1560 }
1561
1562 /****************************************************************************
1563  Copy a file.
1564 ****************************************************************************/
1565
1566 static NTSTATUS copy_internals(connection_struct *conn, char *oldname, char *newname, uint32 attrs)
1567 {
1568         BOOL bad_path_oldname = False;
1569         BOOL bad_path_newname = False;
1570         SMB_STRUCT_STAT sbuf1, sbuf2;
1571         pstring last_component_oldname;
1572         pstring last_component_newname;
1573         files_struct *fsp1,*fsp2;
1574         uint32 fattr;
1575         int info;
1576         SMB_OFF_T ret=-1;
1577         int close_ret;
1578         NTSTATUS status = NT_STATUS_OK;
1579
1580         ZERO_STRUCT(sbuf1);
1581         ZERO_STRUCT(sbuf2);
1582
1583         /* No wildcards. */
1584         if (ms_has_wild(newname) || ms_has_wild(oldname)) {
1585                 return NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1586         }
1587
1588         if (!CAN_WRITE(conn))
1589                 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1590
1591         unix_convert(oldname,conn,last_component_oldname,&bad_path_oldname,&sbuf1);
1592         if (bad_path_oldname) {
1593                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
1594         }
1595
1596         /* Quick check for "." and ".." */
1597         if (last_component_oldname[0] == '.') {
1598                 if (!last_component_oldname[1] || (last_component_oldname[1] == '.' && !last_component_oldname[2])) {
1599                         return NT_STATUS_OBJECT_NAME_INVALID;
1600                 }
1601         }
1602
1603         /* Source must already exist. */
1604         if (!VALID_STAT(sbuf1)) {
1605                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1606         }
1607         if (!check_name(oldname,conn)) {
1608                 return NT_STATUS_ACCESS_DENIED;
1609         }
1610
1611         /* Ensure attributes match. */
1612         fattr = dos_mode(conn,oldname,&sbuf1);
1613         if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1614                 return NT_STATUS_NO_SUCH_FILE;
1615         }
1616
1617         unix_convert(newname,conn,last_component_newname,&bad_path_newname,&sbuf2);
1618         if (bad_path_newname) {
1619                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
1620         }
1621
1622         /* Quick check for "." and ".." */
1623         if (last_component_newname[0] == '.') {
1624                 if (!last_component_newname[1] || (last_component_newname[1] == '.' && !last_component_newname[2])) {
1625                         return NT_STATUS_OBJECT_NAME_INVALID;
1626                 }
1627         }
1628
1629         /* Disallow if newname already exists. */
1630         if (VALID_STAT(sbuf2)) {
1631                 return NT_STATUS_OBJECT_NAME_COLLISION;
1632         }
1633
1634         if (!check_name(newname,conn)) {
1635                 return NT_STATUS_ACCESS_DENIED;
1636         }
1637
1638         /* No links from a directory. */
1639         if (S_ISDIR(sbuf1.st_mode)) {
1640                 return NT_STATUS_FILE_IS_A_DIRECTORY;
1641         }
1642
1643         /* Ensure this is within the share. */
1644         if (!reduce_name(conn, oldname) != 0) {
1645                 return NT_STATUS_ACCESS_DENIED;
1646         }
1647
1648         DEBUG(10,("copy_internals: doing file copy %s to %s\n", oldname, newname));
1649
1650         status = open_file_ntcreate(conn,oldname,&sbuf1,
1651                         FILE_READ_DATA, /* Read-only. */
1652                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1653                         FILE_OPEN,
1654                         0, /* No create options. */
1655                         FILE_ATTRIBUTE_NORMAL,
1656                         NO_OPLOCK,
1657                         &info, &fsp1);
1658
1659         if (!NT_STATUS_IS_OK(status)) {
1660                 return status;
1661         }
1662
1663         status = open_file_ntcreate(conn,newname,&sbuf2,
1664                         FILE_WRITE_DATA, /* Read-only. */
1665                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1666                         FILE_CREATE,
1667                         0, /* No create options. */
1668                         fattr,
1669                         NO_OPLOCK,
1670                         &info, &fsp2);
1671
1672         if (!NT_STATUS_IS_OK(status)) {
1673                 close_file(fsp1,ERROR_CLOSE);
1674                 return status;
1675         }
1676
1677         if (sbuf1.st_size) {
1678                 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1679         }
1680
1681         /*
1682          * As we are opening fsp1 read-only we only expect
1683          * an error on close on fsp2 if we are out of space.
1684          * Thus we don't look at the error return from the
1685          * close of fsp1.
1686          */
1687         close_file(fsp1,NORMAL_CLOSE);
1688
1689         /* Ensure the modtime is set correctly on the destination file. */
1690         fsp_set_pending_modtime(fsp2, sbuf1.st_mtime);
1691
1692         close_ret = close_file(fsp2,NORMAL_CLOSE);
1693
1694         /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1695            creates the file. This isn't the correct thing to do in the copy
1696            case. JRA */
1697         file_set_dosmode(conn, newname, fattr, &sbuf2, True);
1698
1699         if (ret < (SMB_OFF_T)sbuf1.st_size) {
1700                 return NT_STATUS_DISK_FULL;
1701         }
1702
1703         if (close_ret != 0) {
1704                 status = map_nt_error_from_unix(close_ret);
1705                 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1706                         nt_errstr(status), oldname, newname));
1707         }
1708         return status;
1709 }
1710
1711 /****************************************************************************
1712  Reply to a NT rename request.
1713 ****************************************************************************/
1714
1715 int reply_ntrename(connection_struct *conn,
1716                    char *inbuf,char *outbuf,int length,int bufsize)
1717 {
1718         int outsize = 0;
1719         pstring oldname;
1720         pstring newname;
1721         char *p;
1722         NTSTATUS status;
1723         BOOL path_contains_wcard = False;
1724         uint32 attrs = SVAL(inbuf,smb_vwv0);
1725         uint16 rename_type = SVAL(inbuf,smb_vwv1);
1726
1727         START_PROFILE(SMBntrename);
1728
1729         p = smb_buf(inbuf) + 1;
1730         p += srvstr_get_path_wcard(inbuf, oldname, p, sizeof(oldname), 0, STR_TERMINATE, &status, &path_contains_wcard);
1731         if (!NT_STATUS_IS_OK(status)) {
1732                 END_PROFILE(SMBntrename);
1733                 return ERROR_NT(status);
1734         }
1735
1736         if( is_ntfs_stream_name(oldname)) {
1737                 /* Can't rename a stream. */
1738                 END_PROFILE(SMBntrename);
1739                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1740         }
1741
1742         if (ms_has_wild(oldname)) {
1743                 END_PROFILE(SMBntrename);
1744                 return ERROR_NT(NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1745         }
1746
1747         p++;
1748         p += srvstr_get_path(inbuf, newname, p, sizeof(newname), 0, STR_TERMINATE, &status);
1749         if (!NT_STATUS_IS_OK(status)) {
1750                 END_PROFILE(SMBntrename);
1751                 return ERROR_NT(status);
1752         }
1753
1754         RESOLVE_DFSPATH(oldname, conn, inbuf, outbuf);
1755         RESOLVE_DFSPATH(newname, conn, inbuf, outbuf);
1756
1757         DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1758
1759         switch(rename_type) {
1760                 case RENAME_FLAG_RENAME:
1761                         status = rename_internals(conn, oldname, newname, attrs, False, path_contains_wcard);
1762                         break;
1763                 case RENAME_FLAG_HARD_LINK:
1764                         status = hardlink_internals(conn, oldname, newname);
1765                         break;
1766                 case RENAME_FLAG_COPY:
1767                         if (path_contains_wcard) {
1768                                 /* No wildcards. */
1769                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1770                         } else {
1771                                 status = copy_internals(conn, oldname, newname, attrs);
1772                         }
1773                         break;
1774                 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1775                         status = NT_STATUS_INVALID_PARAMETER;
1776                         break;
1777                 default:
1778                         status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1779                         break;
1780         }
1781
1782         if (!NT_STATUS_IS_OK(status)) {
1783                 END_PROFILE(SMBntrename);
1784                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1785                         /* We have re-scheduled this call. */
1786                         return -1;
1787                 }
1788                 return ERROR_NT(status);
1789         }
1790
1791         /*
1792          * Win2k needs a changenotify request response before it will
1793          * update after a rename..
1794          */
1795         process_pending_change_notify_queue((time_t)0);
1796         outsize = set_message(outbuf,0,0,False);
1797
1798         END_PROFILE(SMBntrename);
1799         return(outsize);
1800 }
1801
1802 /****************************************************************************
1803  Reply to a notify change - queue the request and
1804  don't allow a directory to be opened.
1805 ****************************************************************************/
1806
1807 static int call_nt_transact_notify_change(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1808                                   uint16 **ppsetup, uint32 setup_count,
1809                                   char **ppparams, uint32 parameter_count,
1810                                   char **ppdata, uint32 data_count, uint32 max_data_count)
1811 {
1812         uint16 *setup = *ppsetup;
1813         files_struct *fsp;
1814         uint32 flags;
1815
1816         if(setup_count < 6) {
1817                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1818         }
1819
1820         fsp = file_fsp((char *)setup,4);
1821         flags = IVAL(setup, 0);
1822
1823         DEBUG(3,("call_nt_transact_notify_change\n"));
1824
1825         if(!fsp) {
1826                 return ERROR_DOS(ERRDOS,ERRbadfid);
1827         }
1828
1829         if((!fsp->is_directory) || (conn != fsp->conn)) {
1830                 return ERROR_DOS(ERRDOS,ERRbadfid);
1831         }
1832
1833         if (!change_notify_set(inbuf, fsp, conn, flags)) {
1834                 return(UNIXERROR(ERRDOS,ERRbadfid));
1835         }
1836
1837         DEBUG(3,("call_nt_transact_notify_change: notify change called on directory \
1838 name = %s\n", fsp->fsp_name ));
1839
1840         return -1;
1841 }
1842
1843 /****************************************************************************
1844  Reply to an NT transact rename command.
1845 ****************************************************************************/
1846
1847 static int call_nt_transact_rename(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1848                                   uint16 **ppsetup, uint32 setup_count,
1849                                   char **ppparams, uint32 parameter_count,
1850                                   char **ppdata, uint32 data_count, uint32 max_data_count)
1851 {
1852         char *params = *ppparams;
1853         pstring new_name;
1854         files_struct *fsp = NULL;
1855         BOOL replace_if_exists = False;
1856         BOOL path_contains_wcard = False;
1857         NTSTATUS status;
1858
1859         if(parameter_count < 4) {
1860                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1861         }
1862
1863         fsp = file_fsp(params, 0);
1864         replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
1865         CHECK_FSP(fsp, conn);
1866         srvstr_get_path_wcard(inbuf, new_name, params+4, sizeof(new_name), -1, STR_TERMINATE, &status, &path_contains_wcard);
1867         if (!NT_STATUS_IS_OK(status)) {
1868                 return ERROR_NT(status);
1869         }
1870
1871         status = rename_internals(conn, fsp->fsp_name,
1872                                   new_name, 0, replace_if_exists, path_contains_wcard);
1873         if (!NT_STATUS_IS_OK(status))
1874                 return ERROR_NT(status);
1875
1876         /*
1877          * Rename was successful.
1878          */
1879         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1880
1881         DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
1882                  fsp->fsp_name, new_name));
1883
1884         /*
1885          * Win2k needs a changenotify request response before it will
1886          * update after a rename..
1887          */
1888
1889         process_pending_change_notify_queue((time_t)0);
1890
1891         return -1;
1892 }
1893
1894 /******************************************************************************
1895  Fake up a completely empty SD.
1896 *******************************************************************************/
1897
1898 static size_t get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1899 {
1900         size_t sd_size;
1901
1902         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1903         if(!*ppsd) {
1904                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1905                 sd_size = 0;
1906         }
1907
1908         return sd_size;
1909 }
1910
1911 /****************************************************************************
1912  Reply to query a security descriptor.
1913 ****************************************************************************/
1914
1915 static int call_nt_transact_query_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1916                                   uint16 **ppsetup, uint32 setup_count,
1917                                   char **ppparams, uint32 parameter_count,
1918                                   char **ppdata, uint32 data_count, uint32 max_data_count)
1919 {
1920         char *params = *ppparams;
1921         char *data = *ppdata;
1922         prs_struct pd;
1923         SEC_DESC *psd = NULL;
1924         size_t sd_size;
1925         uint32 security_info_wanted;
1926         TALLOC_CTX *mem_ctx;
1927         files_struct *fsp = NULL;
1928
1929         if(parameter_count < 8) {
1930                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1931         }
1932
1933         fsp = file_fsp(params,0);
1934         if(!fsp) {
1935                 return ERROR_DOS(ERRDOS,ERRbadfid);
1936         }
1937
1938         security_info_wanted = IVAL(params,4);
1939
1940         DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
1941                         (unsigned int)security_info_wanted ));
1942
1943         params = nttrans_realloc(ppparams, 4);
1944         if(params == NULL) {
1945                 return ERROR_DOS(ERRDOS,ERRnomem);
1946         }
1947
1948         if ((mem_ctx = talloc_init("call_nt_transact_query_security_desc")) == NULL) {
1949                 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
1950                 return ERROR_DOS(ERRDOS,ERRnomem);
1951         }
1952
1953         /*
1954          * Get the permissions to return.
1955          */
1956
1957         if (!lp_nt_acl_support(SNUM(conn))) {
1958                 sd_size = get_null_nt_acl(mem_ctx, &psd);
1959         } else {
1960                 sd_size = SMB_VFS_FGET_NT_ACL(fsp, fsp->fh->fd, security_info_wanted, &psd);
1961         }
1962
1963         if (sd_size == 0) {
1964                 talloc_destroy(mem_ctx);
1965                 return(UNIXERROR(ERRDOS,ERRnoaccess));
1966         }
1967
1968         DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1969
1970         SIVAL(params,0,(uint32)sd_size);
1971
1972         if(max_data_count < sd_size) {
1973
1974                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_BUFFER_TOO_SMALL,
1975                         params, 4, *ppdata, 0);
1976                 talloc_destroy(mem_ctx);
1977                 return -1;
1978         }
1979
1980         /*
1981          * Allocate the data we will point this at.
1982          */
1983
1984         data = nttrans_realloc(ppdata, sd_size);
1985         if(data == NULL) {
1986                 talloc_destroy(mem_ctx);
1987                 return ERROR_DOS(ERRDOS,ERRnomem);
1988         }
1989
1990         /*
1991          * Init the parse struct we will marshall into.
1992          */
1993
1994         prs_init(&pd, 0, mem_ctx, MARSHALL);
1995
1996         /*
1997          * Setup the prs_struct to point at the memory we just
1998          * allocated.
1999          */
2000
2001         prs_give_memory( &pd, data, (uint32)sd_size, False);
2002
2003         /*
2004          * Finally, linearize into the outgoing buffer.
2005          */
2006
2007         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
2008                 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
2009 security descriptor.\n"));
2010                 /*
2011                  * Return access denied for want of a better error message..
2012                  */
2013                 talloc_destroy(mem_ctx);
2014                 return(UNIXERROR(ERRDOS,ERRnoaccess));
2015         }
2016
2017         /*
2018          * Now we can delete the security descriptor.
2019          */
2020
2021         talloc_destroy(mem_ctx);
2022
2023         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 4, data, (int)sd_size);
2024         return -1;
2025 }
2026
2027 /****************************************************************************
2028  Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2029 ****************************************************************************/
2030
2031 static int call_nt_transact_set_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2032                                   uint16 **ppsetup, uint32 setup_count,
2033                                   char **ppparams, uint32 parameter_count,
2034                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2035 {
2036         char *params= *ppparams;
2037         char *data = *ppdata;
2038         files_struct *fsp = NULL;
2039         uint32 security_info_sent = 0;
2040         NTSTATUS nt_status;
2041
2042         if(parameter_count < 8) {
2043                 return ERROR_DOS(ERRDOS,ERRbadfunc);
2044         }
2045
2046         if((fsp = file_fsp(params,0)) == NULL) {
2047                 return ERROR_DOS(ERRDOS,ERRbadfid);
2048         }
2049
2050         if(!lp_nt_acl_support(SNUM(conn))) {
2051                 goto done;
2052         }
2053
2054         security_info_sent = IVAL(params,4);
2055
2056         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
2057                 (unsigned int)security_info_sent ));
2058
2059         if (data_count == 0) {
2060                 return ERROR_DOS(ERRDOS, ERRnoaccess);
2061         }
2062
2063         if (!NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, data_count, security_info_sent))) {
2064                 return ERROR_NT(nt_status);
2065         }
2066
2067   done:
2068
2069         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2070         return -1;
2071 }
2072
2073 /****************************************************************************
2074  Reply to NT IOCTL
2075 ****************************************************************************/
2076
2077 static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2078                                   uint16 **ppsetup, uint32 setup_count,
2079                                   char **ppparams, uint32 parameter_count,
2080                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2081 {
2082         uint32 function;
2083         uint16 fidnum;
2084         files_struct *fsp;
2085         uint8 isFSctl;
2086         uint8 compfilter;
2087         static BOOL logged_message;
2088         char *pdata = *ppdata;
2089
2090         if (setup_count != 8) {
2091                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2092                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2093         }
2094
2095         function = IVAL(*ppsetup, 0);
2096         fidnum = SVAL(*ppsetup, 4);
2097         isFSctl = CVAL(*ppsetup, 6);
2098         compfilter = CVAL(*ppsetup, 7);
2099
2100         DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2101                  function, fidnum, isFSctl, compfilter));
2102
2103         fsp=file_fsp((char *)*ppsetup, 4);
2104         /* this check is done in each implemented function case for now
2105            because I don't want to break anything... --metze
2106         FSP_BELONGS_CONN(fsp,conn);*/
2107
2108         switch (function) {
2109         case FSCTL_SET_SPARSE:
2110                 /* pretend this succeeded - tho strictly we should
2111                    mark the file sparse (if the local fs supports it)
2112                    so we can know if we need to pre-allocate or not */
2113
2114                 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2115                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2116                 return -1;
2117
2118         case FSCTL_0x000900C0:
2119                 /* pretend this succeeded - don't know what this really is
2120                    but works ok like this --metze
2121                  */
2122
2123                 DEBUG(10,("FSCTL_0x000900C0: called on FID[0x%04X](but not implemented)\n",fidnum));
2124                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2125                 return -1;
2126
2127         case FSCTL_GET_REPARSE_POINT:
2128                 /* pretend this fail - my winXP does it like this
2129                  * --metze
2130                  */
2131
2132                 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2133                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT, NULL, 0, NULL, 0);
2134                 return -1;
2135
2136         case FSCTL_SET_REPARSE_POINT:
2137                 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2138                  * --metze
2139                  */
2140
2141                 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2142                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT, NULL, 0, NULL, 0);
2143                 return -1;
2144
2145         case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2146         {
2147                 /*
2148                  * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2149                  * and return their volume names.  If max_data_count is 16, then it is just
2150                  * asking for the number of volumes and length of the combined names.
2151                  *
2152                  * pdata is the data allocated by our caller, but that uses
2153                  * total_data_count (which is 0 in our case) rather than max_data_count.
2154                  * Allocate the correct amount and return the pointer to let
2155                  * it be deallocated when we return.
2156                  */
2157                 SHADOW_COPY_DATA *shadow_data = NULL;
2158                 TALLOC_CTX *shadow_mem_ctx = NULL;
2159                 BOOL labels = False;
2160                 uint32 labels_data_count = 0;
2161                 uint32 i;
2162                 char *cur_pdata;
2163
2164                 FSP_BELONGS_CONN(fsp,conn);
2165
2166                 if (max_data_count < 16) {
2167                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2168                                 max_data_count));
2169                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2170                 }
2171
2172                 if (max_data_count > 16) {
2173                         labels = True;
2174                 }
2175
2176                 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2177                 if (shadow_mem_ctx == NULL) {
2178                         DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2179                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2180                 }
2181
2182                 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2183                 if (shadow_data == NULL) {
2184                         DEBUG(0,("talloc_zero() failed!\n"));
2185                         talloc_destroy(shadow_mem_ctx);
2186                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2187                 }
2188
2189                 shadow_data->mem_ctx = shadow_mem_ctx;
2190
2191                 /*
2192                  * Call the VFS routine to actually do the work.
2193                  */
2194                 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2195                         talloc_destroy(shadow_data->mem_ctx);
2196                         if (errno == ENOSYS) {
2197                                 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2198                                         conn->connectpath));
2199                                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2200                         } else {
2201                                 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2202                                         conn->connectpath));
2203                                 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
2204                         }
2205                 }
2206
2207                 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2208
2209                 if (!labels) {
2210                         data_count = 16;
2211                 } else {
2212                         data_count = 12+labels_data_count+4;
2213                 }
2214
2215                 if (max_data_count<data_count) {
2216                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2217                                 max_data_count,data_count));
2218                         talloc_destroy(shadow_data->mem_ctx);
2219                         return ERROR_NT(NT_STATUS_BUFFER_TOO_SMALL);
2220                 }
2221
2222                 pdata = nttrans_realloc(ppdata, data_count);
2223                 if (pdata == NULL) {
2224                         talloc_destroy(shadow_data->mem_ctx);
2225                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2226                 }
2227
2228                 cur_pdata = pdata;
2229
2230                 /* num_volumes 4 bytes */
2231                 SIVAL(pdata,0,shadow_data->num_volumes);
2232
2233                 if (labels) {
2234                         /* num_labels 4 bytes */
2235                         SIVAL(pdata,4,shadow_data->num_volumes);
2236                 }
2237
2238                 /* needed_data_count 4 bytes */
2239                 SIVAL(pdata,8,labels_data_count);
2240
2241                 cur_pdata+=12;
2242
2243                 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2244                         shadow_data->num_volumes,fsp->fsp_name));
2245                 if (labels && shadow_data->labels) {
2246                         for (i=0;i<shadow_data->num_volumes;i++) {
2247                                 srvstr_push(outbuf, cur_pdata, shadow_data->labels[i], 2*sizeof(SHADOW_COPY_LABEL), STR_UNICODE|STR_TERMINATE);
2248                                 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2249                                 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2250                         }
2251                 }
2252
2253                 talloc_destroy(shadow_data->mem_ctx);
2254
2255                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, pdata, data_count);
2256
2257                 return -1;
2258         }
2259
2260         case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2261         {
2262                 /* pretend this succeeded -
2263                  *
2264                  * we have to send back a list with all files owned by this SID
2265                  *
2266                  * but I have to check that --metze
2267                  */
2268                 DOM_SID sid;
2269                 uid_t uid;
2270                 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2271
2272                 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2273
2274                 FSP_BELONGS_CONN(fsp,conn);
2275
2276                 /* unknown 4 bytes: this is not the length of the sid :-(  */
2277                 /*unknown = IVAL(pdata,0);*/
2278
2279                 sid_parse(pdata+4,sid_len,&sid);
2280                 DEBUGADD(10,("for SID: %s\n",sid_string_static(&sid)));
2281
2282                 if (!sid_to_uid(&sid, &uid)) {
2283                         DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2284                                 sid_string_static(&sid),(unsigned long)sid_len));
2285                         uid = (-1);
2286                 }
2287
2288                 /* we can take a look at the find source :-)
2289                  *
2290                  * find ./ -uid $uid  -name '*'   is what we need here
2291                  *
2292                  *
2293                  * and send 4bytes len and then NULL terminated unicode strings
2294                  * for each file
2295                  *
2296                  * but I don't know how to deal with the paged results
2297                  * (maybe we can hang the result anywhere in the fsp struct)
2298                  *
2299                  * we don't send all files at once
2300                  * and at the next we should *not* start from the beginning,
2301                  * so we have to cache the result
2302                  *
2303                  * --metze
2304                  */
2305
2306                 /* this works for now... */
2307                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2308                 return -1;
2309         }
2310         default:
2311                 if (!logged_message) {
2312                         logged_message = True; /* Only print this once... */
2313                         DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2314                                  function));
2315                 }
2316         }
2317
2318         return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2319 }
2320
2321
2322 #ifdef HAVE_SYS_QUOTAS
2323 /****************************************************************************
2324  Reply to get user quota
2325 ****************************************************************************/
2326
2327 static int call_nt_transact_get_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2328                                   uint16 **ppsetup, uint32 setup_count,
2329                                   char **ppparams, uint32 parameter_count,
2330                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2331 {
2332         NTSTATUS nt_status = NT_STATUS_OK;
2333         char *params = *ppparams;
2334         char *pdata = *ppdata;
2335         char *entry;
2336         int data_len=0,param_len=0;
2337         int qt_len=0;
2338         int entry_len = 0;
2339         files_struct *fsp = NULL;
2340         uint16 level = 0;
2341         size_t sid_len;
2342         DOM_SID sid;
2343         BOOL start_enum = True;
2344         SMB_NTQUOTA_STRUCT qt;
2345         SMB_NTQUOTA_LIST *tmp_list;
2346         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2347         extern struct current_user current_user;
2348
2349         ZERO_STRUCT(qt);
2350
2351         /* access check */
2352         if (current_user.ut.uid != 0) {
2353                 DEBUG(1,("get_user_quota: access_denied service [%s] user [%s]\n",
2354                         lp_servicename(SNUM(conn)),conn->user));
2355                 return ERROR_DOS(ERRDOS,ERRnoaccess);
2356         }
2357
2358         /*
2359          * Ensure minimum number of parameters sent.
2360          */
2361
2362         if (parameter_count < 4) {
2363                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2364                 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2365         }
2366
2367         /* maybe we can check the quota_fnum */
2368         fsp = file_fsp(params,0);
2369         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2370                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2371                 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2372         }
2373
2374         /* the NULL pointer checking for fsp->fake_file_handle->pd
2375          * is done by CHECK_NTQUOTA_HANDLE_OK()
2376          */
2377         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
2378
2379         level = SVAL(params,2);
2380
2381         /* unknown 12 bytes leading in params */
2382
2383         switch (level) {
2384                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2385                         /* seems that we should continue with the enum here --metze */
2386
2387                         if (qt_handle->quota_list!=NULL &&
2388                             qt_handle->tmp_list==NULL) {
2389
2390                                 /* free the list */
2391                                 free_ntquota_list(&(qt_handle->quota_list));
2392
2393                                 /* Realloc the size of parameters and data we will return */
2394                                 param_len = 4;
2395                                 params = nttrans_realloc(ppparams, param_len);
2396                                 if(params == NULL) {
2397                                         return ERROR_DOS(ERRDOS,ERRnomem);
2398                                 }
2399
2400                                 data_len = 0;
2401                                 SIVAL(params,0,data_len);
2402
2403                                 break;
2404                         }
2405
2406                         start_enum = False;
2407
2408                 case TRANSACT_GET_USER_QUOTA_LIST_START:
2409
2410                         if (qt_handle->quota_list==NULL &&
2411                                 qt_handle->tmp_list==NULL) {
2412                                 start_enum = True;
2413                         }
2414
2415                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0)
2416                                 return ERROR_DOS(ERRSRV,ERRerror);
2417
2418                         /* Realloc the size of parameters and data we will return */
2419                         param_len = 4;
2420                         params = nttrans_realloc(ppparams, param_len);
2421                         if(params == NULL) {
2422                                 return ERROR_DOS(ERRDOS,ERRnomem);
2423                         }
2424
2425                         /* we should not trust the value in max_data_count*/
2426                         max_data_count = MIN(max_data_count,2048);
2427
2428                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2429                         if(pdata == NULL) {
2430                                 return ERROR_DOS(ERRDOS,ERRnomem);
2431                         }
2432
2433                         entry = pdata;
2434
2435                         /* set params Size of returned Quota Data 4 bytes*/
2436                         /* but set it later when we know it */
2437
2438                         /* for each entry push the data */
2439
2440                         if (start_enum) {
2441                                 qt_handle->tmp_list = qt_handle->quota_list;
2442                         }
2443
2444                         tmp_list = qt_handle->tmp_list;
2445
2446                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2447                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2448
2449                                 sid_len = sid_size(&tmp_list->quotas->sid);
2450                                 entry_len = 40 + sid_len;
2451
2452                                 /* nextoffset entry 4 bytes */
2453                                 SIVAL(entry,0,entry_len);
2454
2455                                 /* then the len of the SID 4 bytes */
2456                                 SIVAL(entry,4,sid_len);
2457
2458                                 /* unknown data 8 bytes SMB_BIG_UINT */
2459                                 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2460
2461                                 /* the used disk space 8 bytes SMB_BIG_UINT */
2462                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2463
2464                                 /* the soft quotas 8 bytes SMB_BIG_UINT */
2465                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2466
2467                                 /* the hard quotas 8 bytes SMB_BIG_UINT */
2468                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2469
2470                                 /* and now the SID */
2471                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2472                         }
2473
2474                         qt_handle->tmp_list = tmp_list;
2475
2476                         /* overwrite the offset of the last entry */
2477                         SIVAL(entry-entry_len,0,0);
2478
2479                         data_len = 4+qt_len;
2480                         /* overwrite the params quota_data_len */
2481                         SIVAL(params,0,data_len);
2482
2483                         break;
2484
2485                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2486
2487                         /* unknown 4 bytes IVAL(pdata,0) */
2488
2489                         if (data_count < 8) {
2490                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2491                                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2492                         }
2493
2494                         sid_len = IVAL(pdata,4);
2495                         /* Ensure this is less than 1mb. */
2496                         if (sid_len > (1024*1024)) {
2497                                 return ERROR_DOS(ERRDOS,ERRnomem);
2498                         }
2499
2500                         if (data_count < 8+sid_len) {
2501                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2502                                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2503                         }
2504
2505                         data_len = 4+40+sid_len;
2506
2507                         if (max_data_count < data_len) {
2508                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2509                                         max_data_count, data_len));
2510                                 param_len = 4;
2511                                 SIVAL(params,0,data_len);
2512                                 data_len = 0;
2513                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2514                                 break;
2515                         }
2516
2517                         sid_parse(pdata+8,sid_len,&sid);
2518
2519                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2520                                 ZERO_STRUCT(qt);
2521                                 /*
2522                                  * we have to return zero's in all fields
2523                                  * instead of returning an error here
2524                                  * --metze
2525                                  */
2526                         }
2527
2528                         /* Realloc the size of parameters and data we will return */
2529                         param_len = 4;
2530                         params = nttrans_realloc(ppparams, param_len);
2531                         if(params == NULL) {
2532                                 return ERROR_DOS(ERRDOS,ERRnomem);
2533                         }
2534
2535                         pdata = nttrans_realloc(ppdata, data_len);
2536                         if(pdata == NULL) {
2537                                 return ERROR_DOS(ERRDOS,ERRnomem);
2538                         }
2539
2540                         entry = pdata;
2541
2542                         /* set params Size of returned Quota Data 4 bytes*/
2543                         SIVAL(params,0,data_len);
2544
2545                         /* nextoffset entry 4 bytes */
2546                         SIVAL(entry,0,0);
2547
2548                         /* then the len of the SID 4 bytes */
2549                         SIVAL(entry,4,sid_len);
2550
2551                         /* unknown data 8 bytes SMB_BIG_UINT */
2552                         SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
2553
2554                         /* the used disk space 8 bytes SMB_BIG_UINT */
2555                         SBIG_UINT(entry,16,qt.usedspace);
2556
2557                         /* the soft quotas 8 bytes SMB_BIG_UINT */
2558                         SBIG_UINT(entry,24,qt.softlim);
2559
2560                         /* the hard quotas 8 bytes SMB_BIG_UINT */
2561                         SBIG_UINT(entry,32,qt.hardlim);
2562
2563                         /* and now the SID */
2564                         sid_linearize(entry+40, sid_len, &sid);
2565
2566                         break;
2567
2568                 default:
2569                         DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2570                         return ERROR_DOS(ERRSRV,ERRerror);
2571                         break;
2572         }
2573
2574         send_nt_replies(inbuf, outbuf, bufsize, nt_status, params, param_len, pdata, data_len);
2575
2576         return -1;
2577 }
2578
2579 /****************************************************************************
2580  Reply to set user quota
2581 ****************************************************************************/
2582
2583 static int call_nt_transact_set_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2584                                   uint16 **ppsetup, uint32 setup_count,
2585                                   char **ppparams, uint32 parameter_count,
2586                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2587 {
2588         char *params = *ppparams;
2589         char *pdata = *ppdata;
2590         int data_len=0,param_len=0;
2591         SMB_NTQUOTA_STRUCT qt;
2592         size_t sid_len;
2593         DOM_SID sid;
2594         files_struct *fsp = NULL;
2595
2596         ZERO_STRUCT(qt);
2597
2598         /* access check */
2599         if (current_user.ut.uid != 0) {
2600                 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
2601                         lp_servicename(SNUM(conn)),conn->user));
2602                 return ERROR_DOS(ERRDOS,ERRnoaccess);
2603         }
2604
2605         /*
2606          * Ensure minimum number of parameters sent.
2607          */
2608
2609         if (parameter_count < 2) {
2610                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2611                 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2612         }
2613
2614         /* maybe we can check the quota_fnum */
2615         fsp = file_fsp(params,0);
2616         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2617                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2618                 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2619         }
2620
2621         if (data_count < 40) {
2622                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2623                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2624         }
2625
2626         /* offset to next quota record.
2627          * 4 bytes IVAL(pdata,0)
2628          * unused here...
2629          */
2630
2631         /* sid len */
2632         sid_len = IVAL(pdata,4);
2633
2634         if (data_count < 40+sid_len) {
2635                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2636                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2637         }
2638
2639         /* unknown 8 bytes in pdata
2640          * maybe its the change time in NTTIME
2641          */
2642
2643         /* the used space 8 bytes (SMB_BIG_UINT)*/
2644         qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
2645 #ifdef LARGE_SMB_OFF_T
2646         qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
2647 #else /* LARGE_SMB_OFF_T */
2648         if ((IVAL(pdata,20) != 0)&&
2649                 ((qt.usedspace != 0xFFFFFFFF)||
2650                 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2651                 /* more than 32 bits? */
2652                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2653         }
2654 #endif /* LARGE_SMB_OFF_T */
2655
2656         /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
2657         qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
2658 #ifdef LARGE_SMB_OFF_T
2659         qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
2660 #else /* LARGE_SMB_OFF_T */
2661         if ((IVAL(pdata,28) != 0)&&
2662                 ((qt.softlim != 0xFFFFFFFF)||
2663                 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2664                 /* more than 32 bits? */
2665                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2666         }
2667 #endif /* LARGE_SMB_OFF_T */
2668
2669         /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
2670         qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
2671 #ifdef LARGE_SMB_OFF_T
2672         qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
2673 #else /* LARGE_SMB_OFF_T */
2674         if ((IVAL(pdata,36) != 0)&&
2675                 ((qt.hardlim != 0xFFFFFFFF)||
2676                 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2677                 /* more than 32 bits? */
2678                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2679         }
2680 #endif /* LARGE_SMB_OFF_T */
2681
2682         sid_parse(pdata+40,sid_len,&sid);
2683         DEBUGADD(8,("SID: %s\n",sid_string_static(&sid)));
2684
2685         /* 44 unknown bytes left... */
2686
2687         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2688                 return ERROR_DOS(ERRSRV,ERRerror);
2689         }
2690
2691         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, param_len, pdata, data_len);
2692
2693         return -1;
2694 }
2695 #endif /* HAVE_SYS_QUOTAS */
2696
2697 static int handle_nttrans(connection_struct *conn,
2698                           struct trans_state *state,
2699                           char *inbuf, char *outbuf, int size, int bufsize)
2700 {
2701         int outsize;
2702
2703         if (Protocol >= PROTOCOL_NT1) {
2704                 SSVAL(outbuf,smb_flg2,SVAL(outbuf,smb_flg2) | 0x40); /* IS_LONG_NAME */
2705         }
2706
2707         /* Now we must call the relevant NT_TRANS function */
2708         switch(state->call) {
2709                 case NT_TRANSACT_CREATE:
2710                 {
2711                         START_PROFILE_NESTED(NT_transact_create);
2712                         outsize = call_nt_transact_create(conn, inbuf, outbuf,
2713                                                           size, bufsize,
2714                                                         &state->setup, state->setup_count,
2715                                                         &state->param, state->total_param,
2716                                                         &state->data, state->total_data,
2717                                                           state->max_data_return);
2718                         END_PROFILE_NESTED(NT_transact_create);
2719                         break;
2720                 }
2721
2722                 case NT_TRANSACT_IOCTL:
2723                 {
2724                         START_PROFILE_NESTED(NT_transact_ioctl);
2725                         outsize = call_nt_transact_ioctl(conn, inbuf, outbuf,
2726                                                          size, bufsize,
2727                                                          &state->setup, state->setup_count,
2728                                                          &state->param, state->total_param,
2729                                                          &state->data, state->total_data, state->max_data_return);
2730                         END_PROFILE_NESTED(NT_transact_ioctl);
2731                         break;
2732                 }
2733
2734                 case NT_TRANSACT_SET_SECURITY_DESC:
2735                 {
2736                         START_PROFILE_NESTED(NT_transact_set_security_desc);
2737                         outsize = call_nt_transact_set_security_desc(conn, inbuf, outbuf,
2738                                                          size, bufsize,
2739                                                          &state->setup, state->setup_count,
2740                                                          &state->param, state->total_param,
2741                                                          &state->data, state->total_data, state->max_data_return);
2742                         END_PROFILE_NESTED(NT_transact_set_security_desc);
2743                         break;
2744                 }
2745
2746                 case NT_TRANSACT_NOTIFY_CHANGE:
2747                 {
2748                         START_PROFILE_NESTED(NT_transact_notify_change);
2749                         outsize = call_nt_transact_notify_change(conn, inbuf, outbuf,
2750                                                          size, bufsize,
2751                                                          &state->setup, state->setup_count,
2752                                                          &state->param, state->total_param,
2753                                                          &state->data, state->total_data, state->max_data_return);
2754                         END_PROFILE_NESTED(NT_transact_notify_change);
2755                         break;
2756                 }
2757
2758                 case NT_TRANSACT_RENAME:
2759                 {
2760                         START_PROFILE_NESTED(NT_transact_rename);
2761                         outsize = call_nt_transact_rename(conn, inbuf, outbuf,
2762                                                          size, bufsize,
2763                                                          &state->setup, state->setup_count,
2764                                                          &state->param, state->total_param,
2765                                                          &state->data, state->total_data, state->max_data_return);
2766                         END_PROFILE_NESTED(NT_transact_rename);
2767                         break;
2768                 }
2769
2770                 case NT_TRANSACT_QUERY_SECURITY_DESC:
2771                 {
2772                         START_PROFILE_NESTED(NT_transact_query_security_desc);
2773                         outsize = call_nt_transact_query_security_desc(conn, inbuf, outbuf,
2774                                                          size, bufsize,
2775                                                          &state->setup, state->setup_count,
2776                                                          &state->param, state->total_param,
2777                                                          &state->data, state->total_data, state->max_data_return);
2778                         END_PROFILE_NESTED(NT_transact_query_security_desc);
2779                         break;
2780                 }
2781
2782 #ifdef HAVE_SYS_QUOTAS
2783                 case NT_TRANSACT_GET_USER_QUOTA:
2784                 {
2785                         START_PROFILE_NESTED(NT_transact_get_user_quota);
2786                         outsize = call_nt_transact_get_user_quota(conn, inbuf, outbuf,
2787                                                          size, bufsize,
2788                                                          &state->setup, state->setup_count,
2789                                                          &state->param, state->total_param,
2790                                                          &state->data, state->total_data, state->max_data_return);
2791                         END_PROFILE_NESTED(NT_transact_get_user_quota);
2792                         break;
2793                 }
2794
2795                 case NT_TRANSACT_SET_USER_QUOTA:
2796                 {
2797                         START_PROFILE_NESTED(NT_transact_set_user_quota);
2798                         outsize = call_nt_transact_set_user_quota(conn, inbuf, outbuf,
2799                                                          size, bufsize,
2800                                                          &state->setup, state->setup_count,
2801                                                          &state->param, state->total_param,
2802                                                          &state->data, state->total_data, state->max_data_return);
2803                         END_PROFILE_NESTED(NT_transact_set_user_quota);
2804                         break;
2805                 }
2806 #endif /* HAVE_SYS_QUOTAS */
2807
2808                 default:
2809                         /* Error in request */
2810                         DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n",
2811                                  state->call));
2812                         return ERROR_DOS(ERRSRV,ERRerror);
2813         }
2814         return outsize;
2815 }
2816
2817 /****************************************************************************
2818  Reply to a SMBNTtrans.
2819 ****************************************************************************/
2820
2821 int reply_nttrans(connection_struct *conn,
2822                         char *inbuf,char *outbuf,int size,int bufsize)
2823 {
2824         int  outsize = 0;
2825         uint32 pscnt = IVAL(inbuf,smb_nt_ParameterCount);
2826         uint32 psoff = IVAL(inbuf,smb_nt_ParameterOffset);
2827         uint32 dscnt = IVAL(inbuf,smb_nt_DataCount);
2828         uint32 dsoff = IVAL(inbuf,smb_nt_DataOffset);
2829
2830         uint16 function_code = SVAL( inbuf, smb_nt_Function);
2831         NTSTATUS result;
2832         struct trans_state *state;
2833
2834         START_PROFILE(SMBnttrans);
2835
2836         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2837                 END_PROFILE(SMBnttrans);
2838                 return ERROR_DOS(ERRSRV,ERRaccess);
2839         }
2840
2841         result = allow_new_trans(conn->pending_trans, SVAL(inbuf, smb_mid));
2842         if (!NT_STATUS_IS_OK(result)) {
2843                 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2844                 END_PROFILE(SMBnttrans);
2845                 return ERROR_NT(result);
2846         }
2847
2848         if ((state = TALLOC_P(NULL, struct trans_state)) == NULL) {
2849                 END_PROFILE(SMBnttrans);
2850                 return ERROR_DOS(ERRSRV,ERRaccess);
2851         }
2852
2853         state->cmd = SMBnttrans;
2854
2855         state->mid = SVAL(inbuf,smb_mid);
2856         state->vuid = SVAL(inbuf,smb_uid);
2857         state->total_data = IVAL(inbuf, smb_nt_TotalDataCount);
2858         state->data = NULL;
2859         state->total_param = IVAL(inbuf, smb_nt_TotalParameterCount);
2860         state->param = NULL;
2861         state->max_data_return = IVAL(inbuf,smb_nt_MaxDataCount);
2862
2863         /* setup count is in *words* */
2864         state->setup_count = 2*CVAL(inbuf,smb_nt_SetupCount);
2865         state->call = function_code;
2866
2867         /*
2868          * All nttrans messages we handle have smb_wct == 19 +
2869          * state->setup_count.  Ensure this is so as a sanity check.
2870          */
2871
2872         if(CVAL(inbuf, smb_wct) != 19 + (state->setup_count/2)) {
2873                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2874                         CVAL(inbuf, smb_wct), 19 + (state->setup_count/2)));
2875                 goto bad_param;
2876         }
2877
2878         /* Don't allow more than 128mb for each value. */
2879         if ((state->total_data > (1024*1024*128)) ||
2880             (state->total_param > (1024*1024*128))) {
2881                 END_PROFILE(SMBnttrans);
2882                 return ERROR_DOS(ERRDOS,ERRnomem);
2883         }
2884
2885         if ((dscnt > state->total_data) || (pscnt > state->total_param))
2886                 goto bad_param;
2887
2888         if (state->total_data)  {
2889                 /* Can't use talloc here, the core routines do realloc on the
2890                  * params and data. */
2891                 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2892                         DEBUG(0,("reply_nttrans: data malloc fail for %u "
2893                                  "bytes !\n", (unsigned int)state->total_data));
2894                         TALLOC_FREE(state);
2895                         END_PROFILE(SMBnttrans);
2896                         return(ERROR_DOS(ERRDOS,ERRnomem));
2897                 }
2898                 if ((dsoff+dscnt < dsoff) || (dsoff+dscnt < dscnt))
2899                         goto bad_param;
2900                 if ((smb_base(inbuf)+dsoff+dscnt > inbuf + size) ||
2901                     (smb_base(inbuf)+dsoff+dscnt < smb_base(inbuf)))
2902                         goto bad_param;
2903
2904                 memcpy(state->data,smb_base(inbuf)+dsoff,dscnt);
2905         }
2906
2907         if (state->total_param) {
2908                 /* Can't use talloc here, the core routines do realloc on the
2909                  * params and data. */
2910                 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2911                         DEBUG(0,("reply_nttrans: param malloc fail for %u "
2912                                  "bytes !\n", (unsigned int)state->total_param));
2913                         SAFE_FREE(state->data);
2914                         TALLOC_FREE(state);
2915                         END_PROFILE(SMBnttrans);
2916                         return(ERROR_DOS(ERRDOS,ERRnomem));
2917                 }
2918                 if ((psoff+pscnt < psoff) || (psoff+pscnt < pscnt))
2919                         goto bad_param;
2920                 if ((smb_base(inbuf)+psoff+pscnt > inbuf + size) ||
2921                     (smb_base(inbuf)+psoff+pscnt < smb_base(inbuf)))
2922                         goto bad_param;
2923
2924                 memcpy(state->param,smb_base(inbuf)+psoff,pscnt);
2925         }
2926
2927         state->received_data  = dscnt;
2928         state->received_param = pscnt;
2929
2930         if(state->setup_count > 0) {
2931                 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2932                           state->setup_count));
2933                 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2934                 if (state->setup == NULL) {
2935                         DEBUG(0,("reply_nttrans : Out of memory\n"));
2936                         SAFE_FREE(state->data);
2937                         SAFE_FREE(state->param);
2938                         TALLOC_FREE(state);
2939                         END_PROFILE(SMBnttrans);
2940                         return ERROR_DOS(ERRDOS,ERRnomem);
2941                 }
2942
2943                 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
2944                     (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
2945                         goto bad_param;
2946                 }
2947                 if (smb_nt_SetupStart + state->setup_count > size) {
2948                         goto bad_param;
2949                 }
2950
2951                 memcpy( state->setup, &inbuf[smb_nt_SetupStart], state->setup_count);
2952                 dump_data(10, (char *)state->setup, state->setup_count);
2953         }
2954
2955         if ((state->received_data == state->total_data) &&
2956             (state->received_param == state->total_param)) {
2957                 outsize = handle_nttrans(conn, state, inbuf, outbuf,
2958                                          size, bufsize);
2959                 SAFE_FREE(state->param);
2960                 SAFE_FREE(state->data);
2961                 TALLOC_FREE(state);
2962                 END_PROFILE(SMBnttrans);
2963                 return outsize;
2964         }
2965
2966         DLIST_ADD(conn->pending_trans, state);
2967
2968         /* We need to send an interim response then receive the rest
2969            of the parameter/data bytes */
2970         outsize = set_message(outbuf,0,0,False);
2971         show_msg(outbuf);
2972         END_PROFILE(SMBnttrans);
2973         return outsize;
2974
2975   bad_param:
2976
2977         DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2978         SAFE_FREE(state->data);
2979         SAFE_FREE(state->param);
2980         TALLOC_FREE(state);
2981         END_PROFILE(SMBnttrans);
2982         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2983 }
2984
2985 /****************************************************************************
2986  Reply to a SMBnttranss
2987  ****************************************************************************/
2988
2989 int reply_nttranss(connection_struct *conn,  char *inbuf,char *outbuf,
2990                    int size,int bufsize)
2991 {
2992         int outsize = 0;
2993         unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
2994         struct trans_state *state;
2995
2996         START_PROFILE(SMBnttranss);
2997
2998         show_msg(inbuf);
2999
3000         for (state = conn->pending_trans; state != NULL;
3001              state = state->next) {
3002                 if (state->mid == SVAL(inbuf,smb_mid)) {
3003                         break;
3004                 }
3005         }
3006
3007         if ((state == NULL) || (state->cmd != SMBnttrans)) {
3008                 END_PROFILE(SMBnttranss);
3009                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3010         }
3011
3012         /* Revise state->total_param and state->total_data in case they have
3013            changed downwards */
3014         if (IVAL(inbuf, smb_nts_TotalParameterCount) < state->total_param) {
3015                 state->total_param = IVAL(inbuf, smb_nts_TotalParameterCount);
3016         }
3017         if (IVAL(inbuf, smb_nts_TotalDataCount) < state->total_data) {
3018                 state->total_data = IVAL(inbuf, smb_nts_TotalDataCount);
3019         }
3020
3021         pcnt = IVAL(inbuf,smb_nts_ParameterCount);
3022         poff = IVAL(inbuf, smb_nts_ParameterOffset);
3023         pdisp = IVAL(inbuf, smb_nts_ParameterDisplacement);
3024
3025         dcnt = IVAL(inbuf, smb_nts_DataCount);
3026         ddisp = IVAL(inbuf, smb_nts_DataDisplacement);
3027         doff = IVAL(inbuf, smb_nts_DataOffset);
3028
3029         state->received_param += pcnt;
3030         state->received_data += dcnt;
3031
3032         if ((state->received_data > state->total_data) ||
3033             (state->received_param > state->total_param))
3034                 goto bad_param;
3035
3036         if (pcnt) {
3037                 if (pdisp+pcnt > state->total_param)
3038                         goto bad_param;
3039                 if ((pdisp+pcnt < pdisp) || (pdisp+pcnt < pcnt))
3040                         goto bad_param;
3041                 if (pdisp > state->total_param)
3042                         goto bad_param;
3043                 if ((smb_base(inbuf) + poff + pcnt > inbuf + size) ||
3044                     (smb_base(inbuf) + poff + pcnt < smb_base(inbuf)))
3045                         goto bad_param;
3046                 if (state->param + pdisp < state->param)
3047                         goto bad_param;
3048
3049                 memcpy(state->param+pdisp,smb_base(inbuf)+poff,
3050                        pcnt);
3051         }
3052
3053         if (dcnt) {
3054                 if (ddisp+dcnt > state->total_data)
3055                         goto bad_param;
3056                 if ((ddisp+dcnt < ddisp) || (ddisp+dcnt < dcnt))
3057                         goto bad_param;
3058                 if (ddisp > state->total_data)
3059                         goto bad_param;
3060                 if ((smb_base(inbuf) + doff + dcnt > inbuf + size) ||
3061                     (smb_base(inbuf) + doff + dcnt < smb_base(inbuf)))
3062                         goto bad_param;
3063                 if (state->data + ddisp < state->data)
3064                         goto bad_param;
3065
3066                 memcpy(state->data+ddisp, smb_base(inbuf)+doff,
3067                        dcnt);
3068         }
3069
3070         if ((state->received_param < state->total_param) ||
3071             (state->received_data < state->total_data)) {
3072                 END_PROFILE(SMBnttranss);
3073                 return -1;
3074         }
3075
3076         /* construct_reply_common has done us the favor to pre-fill the
3077          * command field with SMBnttranss which is wrong :-)
3078          */
3079         SCVAL(outbuf,smb_com,SMBnttrans);
3080
3081         outsize = handle_nttrans(conn, state, inbuf, outbuf,
3082                                  size, bufsize);
3083
3084         DLIST_REMOVE(conn->pending_trans, state);
3085         SAFE_FREE(state->data);
3086         SAFE_FREE(state->param);
3087         TALLOC_FREE(state);
3088
3089         if (outsize == 0) {
3090                 END_PROFILE(SMBnttranss);
3091                 return(ERROR_DOS(ERRSRV,ERRnosupport));
3092         }
3093
3094         END_PROFILE(SMBnttranss);
3095         return(outsize);
3096
3097   bad_param:
3098
3099         DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3100         DLIST_REMOVE(conn->pending_trans, state);
3101         SAFE_FREE(state->data);
3102         SAFE_FREE(state->param);
3103         TALLOC_FREE(state);
3104         END_PROFILE(SMBnttranss);
3105         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3106 }