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         "\\initshutdown",
  41         "\\spoolss",
  42         "\\netdfs",
  43         "\\rpcecho",
  44         "\\svcctl",
  45         "\\eventlog",
  46         "\\unixinfo",
  47         NULL
  48 };
  49
  50 static char *nttrans_realloc(char **ptr, size_t size)
  51 {
  52         if (ptr==NULL) {
  53                 smb_panic("nttrans_realloc() called with NULL ptr\n");
  54         }
  55
  56         *ptr = (char *)SMB_REALLOC(*ptr, size);
  57         if(*ptr == NULL) {
  58                 return NULL;
  59         }
  60         memset(*ptr,'\0',size);
  61         return *ptr;
  62 }
  63
  64 /****************************************************************************
  65  Send the required number of replies back.
  66  We assume all fields other than the data fields are
  67  set correctly for the type of call.
  68  HACK ! Always assumes smb_setup field is zero.
  69 ****************************************************************************/
  70
  71 int send_nt_replies(char *outbuf, int bufsize, NTSTATUS nt_error,
  72                     char *params, int paramsize, char *pdata, int datasize)
  73 {
  74         int data_to_send = datasize;
  75         int params_to_send = paramsize;
  76         int useable_space;
  77         char *pp = params;
  78         char *pd = pdata;
  79         int params_sent_thistime, data_sent_thistime, total_sent_thistime;
  80         int alignment_offset = 3;
  81         int data_alignment_offset = 0;
  82
  83         /*
  84          * Initially set the wcnt area to be 18 - this is true for all
  85          * transNT replies.
  86          */
  87
  88         set_message(outbuf,18,0,True);
  89
  90         if (NT_STATUS_V(nt_error)) {
  91                 ERROR_NT(nt_error);
  92         }
  93
  94         /*
  95          * If there genuinely are no parameters or data to send just send
  96          * the empty packet.
  97          */
  98
  99         if(params_to_send == 0 && data_to_send == 0) {
 100                 show_msg(outbuf);
 101                 if (!send_smb(smbd_server_fd(),outbuf)) {
 102                         exit_server_cleanly("send_nt_replies: send_smb failed.");
 103                 }
 104                 return 0;
 105         }
 106
 107         /*
 108          * When sending params and data ensure that both are nicely aligned.
 109          * Only do this alignment when there is also data to send - else
 110          * can cause NT redirector problems.
 111          */
 112
 113         if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
 114                 data_alignment_offset = 4 - (params_to_send % 4);
 115         }
 116
 117         /*
 118          * Space is bufsize minus Netbios over TCP header minus SMB header.
 119          * The alignment_offset is to align the param bytes on a four byte
 120          * boundary (2 bytes for data len, one byte pad).
 121          * NT needs this to work correctly.
 122          */
 123
 124         useable_space = bufsize - ((smb_buf(outbuf)+
 125                                 alignment_offset+data_alignment_offset) -
 126                                 outbuf);
 127
 128         /*
 129          * useable_space can never be more than max_send minus the
 130          * alignment offset.
 131          */
 132
 133         useable_space = MIN(useable_space,
 134                                 max_send - (alignment_offset+data_alignment_offset));
 135
 136
 137         while (params_to_send || data_to_send) {
 138
 139                 /*
 140                  * Calculate whether we will totally or partially fill this packet.
 141                  */
 142
 143                 total_sent_thistime = params_to_send + data_to_send +
 144                                         alignment_offset + data_alignment_offset;
 145
 146                 /*
 147                  * We can never send more than useable_space.
 148                  */
 149
 150                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
 151
 152                 set_message(outbuf, 18, total_sent_thistime, True);
 153
 154                 /*
 155                  * Set total params and data to be sent.
 156                  */
 157
 158                 SIVAL(outbuf,smb_ntr_TotalParameterCount,paramsize);
 159                 SIVAL(outbuf,smb_ntr_TotalDataCount,datasize);
 160
 161                 /*
 162                  * Calculate how many parameters and data we can fit into
 163                  * this packet. Parameters get precedence.
 164                  */
 165
 166                 params_sent_thistime = MIN(params_to_send,useable_space);
 167                 data_sent_thistime = useable_space - params_sent_thistime;
 168                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
 169
 170                 SIVAL(outbuf,smb_ntr_ParameterCount,params_sent_thistime);
 171
 172                 if(params_sent_thistime == 0) {
 173                         SIVAL(outbuf,smb_ntr_ParameterOffset,0);
 174                         SIVAL(outbuf,smb_ntr_ParameterDisplacement,0);
 175                 } else {
 176                         /*
 177                          * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
 178                          * parameter bytes, however the first 4 bytes of outbuf are
 179                          * the Netbios over TCP header. Thus use smb_base() to subtract
 180                          * them from the calculation.
 181                          */
 182
 183                         SIVAL(outbuf,smb_ntr_ParameterOffset,
 184                                 ((smb_buf(outbuf)+alignment_offset) - smb_base(outbuf)));
 185                         /*
 186                          * Absolute displacement of param bytes sent in this packet.
 187                          */
 188
 189                         SIVAL(outbuf,smb_ntr_ParameterDisplacement,pp - params);
 190                 }
 191
 192                 /*
 193                  * Deal with the data portion.
 194                  */
 195
 196                 SIVAL(outbuf,smb_ntr_DataCount, data_sent_thistime);
 197
 198                 if(data_sent_thistime == 0) {
 199                         SIVAL(outbuf,smb_ntr_DataOffset,0);
 200                         SIVAL(outbuf,smb_ntr_DataDisplacement, 0);
 201                 } else {
 202                         /*
 203                          * The offset of the data bytes is the offset of the
 204                          * parameter bytes plus the number of parameters being sent this time.
 205                          */
 206
 207                         SIVAL(outbuf,smb_ntr_DataOffset,((smb_buf(outbuf)+alignment_offset) -
 208                                 smb_base(outbuf)) + params_sent_thistime + data_alignment_offset);
 209                                 SIVAL(outbuf,smb_ntr_DataDisplacement, pd - pdata);
 210                 }
 211
 212                 /*
 213                  * Copy the param bytes into the packet.
 214                  */
 215
 216                 if(params_sent_thistime) {
 217                         memcpy((smb_buf(outbuf)+alignment_offset),pp,params_sent_thistime);
 218                 }
 219
 220                 /*
 221                  * Copy in the data bytes
 222                  */
 223
 224                 if(data_sent_thistime) {
 225                         memcpy(smb_buf(outbuf)+alignment_offset+params_sent_thistime+
 226                                 data_alignment_offset,pd,data_sent_thistime);
 227                 }
 228
 229                 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
 230                         params_sent_thistime, data_sent_thistime, useable_space));
 231                 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
 232                         params_to_send, data_to_send, paramsize, datasize));
 233
 234                 /* Send the packet */
 235                 show_msg(outbuf);
 236                 if (!send_smb(smbd_server_fd(),outbuf)) {
 237                         exit_server_cleanly("send_nt_replies: send_smb failed.");
 238                 }
 239
 240                 pp += params_sent_thistime;
 241                 pd += data_sent_thistime;
 242
 243                 params_to_send -= params_sent_thistime;
 244                 data_to_send -= data_sent_thistime;
 245
 246                 /*
 247                  * Sanity check
 248                  */
 249
 250                 if(params_to_send < 0 || data_to_send < 0) {
 251                         DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
 252                                 params_to_send, data_to_send));
 253                         return -1;
 254                 }
 255         }
 256
 257         return 0;
 258 }
 259
 260 /****************************************************************************
 261  Is it an NTFS stream name ?
 262 ****************************************************************************/
 263
 264 BOOL is_ntfs_stream_name(const char *fname)
 265 {
 266         if (lp_posix_pathnames()) {
 267                 return False;
 268         }
 269         return (strchr_m(fname, ':') != NULL) ? True : False;
 270 }
 271
 272 /****************************************************************************
 273  Save case statics.
 274 ****************************************************************************/
 275
 276 static BOOL saved_case_sensitive;
 277 static BOOL saved_case_preserve;
 278 static BOOL saved_short_case_preserve;
 279
 280 /****************************************************************************
 281  Save case semantics.
 282 ****************************************************************************/
 283
 284 static void set_posix_case_semantics(connection_struct *conn, uint32 file_attributes)
 285 {
 286         if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS)) {
 287                 return;
 288         }
 289
 290         saved_case_sensitive = conn->case_sensitive;
 291         saved_case_preserve = conn->case_preserve;
 292         saved_short_case_preserve = conn->short_case_preserve;
 293
 294         /* Set to POSIX. */
 295         conn->case_sensitive = True;
 296         conn->case_preserve = True;
 297         conn->short_case_preserve = True;
 298 }
 299
 300 /****************************************************************************
 301  Restore case semantics.
 302 ****************************************************************************/
 303
 304 static void restore_case_semantics(connection_struct *conn, uint32 file_attributes)
 305 {
 306         if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS)) {
 307                 return;
 308         }
 309
 310         conn->case_sensitive = saved_case_sensitive;
 311         conn->case_preserve = saved_case_preserve;
 312         conn->short_case_preserve = saved_short_case_preserve;
 313 }
 314
 315 /****************************************************************************
 316  Reply to an NT create and X call on a pipe.
 317 ****************************************************************************/
 318
 319 static int nt_open_pipe(char *fname, connection_struct *conn,
 320                         char *inbuf, char *outbuf, int *ppnum)
 321 {
 322         smb_np_struct *p = NULL;
 323         uint16 vuid = SVAL(inbuf, smb_uid);
 324         int i;
 325
 326         DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
 327
 328         /* See if it is one we want to handle. */
 329
 330         if (lp_disable_spoolss() && strequal(fname, "\\spoolss")) {
 331                 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
 332         }
 333
 334         for( i = 0; known_nt_pipes[i]; i++ ) {
 335                 if( strequal(fname,known_nt_pipes[i])) {
 336                         break;
 337                 }
 338         }
 339
 340         if ( known_nt_pipes[i] == NULL ) {
 341                 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
 342         }
 343
 344         /* Strip \\ off the name. */
 345         fname++;
 346
 347         DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
 348
 349         p = open_rpc_pipe_p(fname, conn, vuid);
 350         if (!p) {
 351                 return(ERROR_DOS(ERRSRV,ERRnofids));
 352         }
 353
 354         /* TODO: Add pipe to db */
 355
 356         if ( !store_pipe_opendb( p ) ) {
 357                 DEBUG(3,("nt_open_pipe: failed to store %s pipe open.\n", fname));
 358         }
 359
 360         *ppnum = p->pnum;
 361         return 0;
 362 }
 363
 364 /****************************************************************************
 365  Reply to an NT create and X call for pipes.
 366 ****************************************************************************/
 367
 368 static int do_ntcreate_pipe_open(connection_struct *conn,
 369                          char *inbuf,char *outbuf,int length,int bufsize)
 370 {
 371         pstring fname;
 372         int ret;
 373         int pnum = -1;
 374         char *p = NULL;
 375
 376         srvstr_pull_buf(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE);
 377
 378         if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0) {
 379                 return ret;
 380         }
 381
 382         /*
 383          * Deal with pipe return.
 384          */
 385
 386         set_message(outbuf,34,0,True);
 387
 388         p = outbuf + smb_vwv2;
 389         p++;
 390         SSVAL(p,0,pnum);
 391         p += 2;
 392         SIVAL(p,0,FILE_WAS_OPENED);
 393         p += 4;
 394         p += 32;
 395         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 396         p += 20;
 397         /* File type. */
 398         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 399         /* Device state. */
 400         SSVAL(p,2, 0x5FF); /* ? */
 401
 402         DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
 403
 404         return chain_reply(inbuf,outbuf,length,bufsize);
 405 }
 406
 407 /****************************************************************************
 408  Reply to an NT create and X call for a quota file.
 409 ****************************************************************************/
 410
 411 int reply_ntcreate_and_X_quota(connection_struct *conn,
 412                                 char *inbuf,
 413                                 char *outbuf,
 414                                 int length,
 415                                 int bufsize,
 416                                 enum FAKE_FILE_TYPE fake_file_type,
 417                                 const char *fname)
 418 {
 419         int result;
 420         char *p;
 421         uint32 desired_access = IVAL(inbuf,smb_ntcreate_DesiredAccess);
 422         files_struct *fsp;
 423         NTSTATUS status;
 424
 425         status = open_fake_file(conn, fake_file_type, fname, desired_access,
 426                                 &fsp);
 427
 428         if (!NT_STATUS_IS_OK(status)) {
 429                 return ERROR_NT(status);
 430         }
 431
 432         set_message(outbuf,34,0,True);
 433
 434         p = outbuf + smb_vwv2;
 435
 436         /* SCVAL(p,0,NO_OPLOCK_RETURN); */
 437         p++;
 438         SSVAL(p,0,fsp->fnum);
 439
 440         DEBUG(5,("reply_ntcreate_and_X_quota: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
 441
 442         result = chain_reply(inbuf,outbuf,length,bufsize);
 443         return result;
 444 }
 445
 446 /****************************************************************************
 447  Reply to an NT create and X call.
 448 ****************************************************************************/
 449
 450 int reply_ntcreate_and_X(connection_struct *conn,
 451                          char *inbuf,char *outbuf,int length,int bufsize)
 452 {
 453         int result;
 454         pstring fname;
 455         uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
 456         uint32 access_mask = IVAL(inbuf,smb_ntcreate_DesiredAccess);
 457         uint32 file_attributes = IVAL(inbuf,smb_ntcreate_FileAttributes);
 458         uint32 share_access = IVAL(inbuf,smb_ntcreate_ShareAccess);
 459         uint32 create_disposition = IVAL(inbuf,smb_ntcreate_CreateDisposition);
 460         uint32 create_options = IVAL(inbuf,smb_ntcreate_CreateOptions);
 461         uint16 root_dir_fid = (uint16)IVAL(inbuf,smb_ntcreate_RootDirectoryFid);
 462         /* Breakout the oplock request bits so we can set the
 463            reply bits separately. */
 464         int oplock_request = 0;
 465         uint32 fattr=0;
 466         SMB_OFF_T file_len = 0;
 467         SMB_STRUCT_STAT sbuf;
 468         int info = 0;
 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_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
 480                   "file_attributes = 0x%x, share_access = 0x%x, "
 481                   "create_disposition = 0x%x create_options = 0x%x "
 482                   "root_dir_fid = 0x%x\n",
 483                         (unsigned int)flags,
 484                         (unsigned int)access_mask,
 485                         (unsigned int)file_attributes,
 486                         (unsigned int)share_access,
 487                         (unsigned int)create_disposition,
 488                         (unsigned int)create_options,
 489                         (unsigned int)root_dir_fid ));
 490
 491         /* If it's an IPC, use the pipe handler. */
 492
 493         if (IS_IPC(conn)) {
 494                 if (lp_nt_pipe_support()) {
 495                         END_PROFILE(SMBntcreateX);
 496                         return do_ntcreate_pipe_open(conn,inbuf,outbuf,length,bufsize);
 497                 } else {
 498                         END_PROFILE(SMBntcreateX);
 499                         return(ERROR_DOS(ERRDOS,ERRnoaccess));
 500                 }
 501         }
 502
 503         if (create_options & FILE_OPEN_BY_FILE_ID) {
 504                 END_PROFILE(SMBntcreateX);
 505                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
 506         }
 507
 508         /*
 509          * Get the file name.
 510          */
 511
 512         if(root_dir_fid != 0) {
 513                 /*
 514                  * This filename is relative to a directory fid.
 515                  */
 516                 pstring rel_fname;
 517                 files_struct *dir_fsp = file_fsp(inbuf,smb_ntcreate_RootDirectoryFid);
 518                 size_t dir_name_len;
 519
 520                 if(!dir_fsp) {
 521                         END_PROFILE(SMBntcreateX);
 522                         return(ERROR_DOS(ERRDOS,ERRbadfid));
 523                 }
 524
 525                 if(!dir_fsp->is_directory) {
 526
 527                         srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status);
 528                         if (!NT_STATUS_IS_OK(status)) {
 529                                 END_PROFILE(SMBntcreateX);
 530                                 return ERROR_NT(status);
 531                         }
 532
 533                         /*
 534                          * Check to see if this is a mac fork of some kind.
 535                          */
 536
 537                         if( is_ntfs_stream_name(fname)) {
 538                                 END_PROFILE(SMBntcreateX);
 539                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 540                         }
 541
 542                         /*
 543                           we need to handle the case when we get a
 544                           relative open relative to a file and the
 545                           pathname is blank - this is a reopen!
 546                           (hint from demyn plantenberg)
 547                         */
 548
 549                         END_PROFILE(SMBntcreateX);
 550                         return(ERROR_DOS(ERRDOS,ERRbadfid));
 551                 }
 552
 553                 /*
 554                  * Copy in the base directory name.
 555                  */
 556
 557                 pstrcpy( fname, dir_fsp->fsp_name );
 558                 dir_name_len = strlen(fname);
 559
 560                 /*
 561                  * Ensure it ends in a '\'.
 562                  */
 563
 564                 if(fname[dir_name_len-1] != '\\' && fname[dir_name_len-1] != '/') {
 565                         pstrcat(fname, "/");
 566                         dir_name_len++;
 567                 }
 568
 569                 srvstr_get_path(inbuf, rel_fname, smb_buf(inbuf), sizeof(rel_fname), 0, STR_TERMINATE, &status);
 570                 if (!NT_STATUS_IS_OK(status)) {
 571                         END_PROFILE(SMBntcreateX);
 572                         return ERROR_NT(status);
 573                 }
 574                 pstrcat(fname, rel_fname);
 575         } else {
 576                 srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status);
 577                 if (!NT_STATUS_IS_OK(status)) {
 578                         END_PROFILE(SMBntcreateX);
 579                         return ERROR_NT(status);
 580                 }
 581
 582                 /*
 583                  * Check to see if this is a mac fork of some kind.
 584                  */
 585
 586                 if( is_ntfs_stream_name(fname)) {
 587                         enum FAKE_FILE_TYPE fake_file_type = is_fake_file(fname);
 588                         if (fake_file_type!=FAKE_FILE_TYPE_NONE) {
 589                                 /*
 590                                  * Here we go! support for changing the disk quotas --metze
 591                                  *
 592                                  * We need to fake up to open this MAGIC QUOTA file
 593                                  * and return a valid FID.
 594                                  *
 595                                  * w2k close this file directly after openening
 596                                  * xp also tries a QUERY_FILE_INFO on the file and then close it
 597                                  */
 598                                 result = reply_ntcreate_and_X_quota(conn, inbuf, outbuf, length, bufsize,
 599                                                                 fake_file_type, fname);
 600                                 END_PROFILE(SMBntcreateX);
 601                                 return result;
 602                         } else {
 603                                 END_PROFILE(SMBntcreateX);
 604                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 605                         }
 606                 }
 607         }
 608
 609         /*
 610          * Now contruct the smb_open_mode value from the filename,
 611          * desired access and the share access.
 612          */
 613         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
 614
 615         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 616         if (oplock_request) {
 617                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
 618         }
 619
 620         /*
 621          * Ordinary file or directory.
 622          */
 623
 624         /*
 625          * Check if POSIX semantics are wanted.
 626          */
 627
 628         set_posix_case_semantics(conn, file_attributes);
 629
 630         status = unix_convert(conn, fname, False, NULL, &sbuf);
 631         if (!NT_STATUS_IS_OK(status)) {
 632                 restore_case_semantics(conn, file_attributes);
 633                 END_PROFILE(SMBntcreateX);
 634                 return ERROR_NT(status);
 635         }
 636         /* All file access must go through check_name() */
 637         status = check_name(conn, fname);
 638         if (!NT_STATUS_IS_OK(status)) {
 639                 restore_case_semantics(conn, file_attributes);
 640                 END_PROFILE(SMBntcreateX);
 641                 return ERROR_NT(status);
 642         }
 643
 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. If the client is forcing FILE_CREATE
 648            let the filesystem take care of the permissions. */
 649
 650         /* Setting FILE_SHARE_DELETE is the hint. */
 651
 652         if (lp_acl_check_permissions(SNUM(conn))
 653             && (create_disposition != FILE_CREATE)
 654             && (share_access & FILE_SHARE_DELETE)
 655             && (access_mask & DELETE_ACCESS)
 656             && !can_delete_file_in_directory(conn, fname)) {
 657                 restore_case_semantics(conn, file_attributes);
 658                 END_PROFILE(SMBntcreateX);
 659                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
 660         }
 661
 662         /*
 663          * If it's a request for a directory open, deal with it separately.
 664          */
 665
 666         if(create_options & FILE_DIRECTORY_FILE) {
 667                 oplock_request = 0;
 668
 669                 /* Can't open a temp directory. IFS kit test. */
 670                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
 671                         END_PROFILE(SMBntcreateX);
 672                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
 673                 }
 674
 675                 status = open_directory(conn, fname, &sbuf,
 676                                         access_mask,
 677                                         share_access,
 678                                         create_disposition,
 679                                         create_options,
 680                                         &info, &fsp);
 681
 682                 restore_case_semantics(conn, file_attributes);
 683
 684                 if(!NT_STATUS_IS_OK(status)) {
 685                         if (!use_nt_status() && NT_STATUS_EQUAL(
 686                                     status, NT_STATUS_OBJECT_NAME_COLLISION)) {
 687                                 status = NT_STATUS_DOS(ERRDOS, ERRfilexists);
 688                         }
 689                         END_PROFILE(SMBntcreateX);
 690                         return ERROR_NT(status);
 691                 }
 692         } else {
 693                 /*
 694                  * Ordinary file case.
 695                  */
 696
 697                 /* NB. We have a potential bug here. If we
 698                  * cause an oplock break to ourselves, then we
 699                  * could end up processing filename related
 700                  * SMB requests whilst we await the oplock
 701                  * break response. As we may have changed the
 702                  * filename case semantics to be POSIX-like,
 703                  * this could mean a filename request could
 704                  * fail when it should succeed. This is a rare
 705                  * condition, but eventually we must arrange
 706                  * to restore the correct case semantics
 707                  * before issuing an oplock break request to
 708                  * our client. JRA.  */
 709
 710                 status = open_file_ntcreate(conn,fname,&sbuf,
 711                                         access_mask,
 712                                         share_access,
 713                                         create_disposition,
 714                                         create_options,
 715                                         file_attributes,
 716                                         oplock_request,
 717                                         &info, &fsp);
 718                 if (!NT_STATUS_IS_OK(status)) {
 719                         /* We cheat here. There are two cases we
 720                          * care about. One is a directory rename,
 721                          * where the NT client will attempt to
 722                          * open the source directory for
 723                          * DELETE access. Note that when the
 724                          * NT client does this it does *not*
 725                          * set the directory bit in the
 726                          * request packet. This is translated
 727                          * into a read/write open
 728                          * request. POSIX states that any open
 729                          * for write request on a directory
 730                          * will generate an EISDIR error, so
 731                          * we can catch this here and open a
 732                          * pseudo handle that is flagged as a
 733                          * directory. The second is an open
 734                          * for a permissions read only, which
 735                          * we handle in the open_file_stat case. JRA.
 736                          */
 737
 738                         if (NT_STATUS_EQUAL(status,
 739                                             NT_STATUS_FILE_IS_A_DIRECTORY)) {
 740
 741                                 /*
 742                                  * Fail the open if it was explicitly a non-directory file.
 743                                  */
 744
 745                                 if (create_options & FILE_NON_DIRECTORY_FILE) {
 746                                         restore_case_semantics(conn, file_attributes);
 747                                         END_PROFILE(SMBntcreateX);
 748                                         return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
 749                                 }
 750
 751                                 oplock_request = 0;
 752                                 status = open_directory(conn, fname, &sbuf,
 753                                                         access_mask,
 754                                                         share_access,
 755                                                         create_disposition,
 756                                                         create_options,
 757                                                         &info, &fsp);
 758
 759                                 if(!NT_STATUS_IS_OK(status)) {
 760                                         restore_case_semantics(conn, file_attributes);
 761                                         if (!use_nt_status() && NT_STATUS_EQUAL(
 762                                                     status, NT_STATUS_OBJECT_NAME_COLLISION)) {
 763                                                 status = NT_STATUS_DOS(ERRDOS, ERRfilexists);
 764                                         }
 765                                         END_PROFILE(SMBntcreateX);
 766                                         return ERROR_NT(status);
 767                                 }
 768                         } else {
 769
 770                                 restore_case_semantics(conn, file_attributes);
 771                                 END_PROFILE(SMBntcreateX);
 772                                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
 773                                         /* We have re-scheduled this call. */
 774                                         return -1;
 775                                 }
 776                                 return ERROR_NT(status);
 777                         }
 778                 }
 779         }
 780
 781         restore_case_semantics(conn, file_attributes);
 782
 783         file_len = sbuf.st_size;
 784         fattr = dos_mode(conn,fname,&sbuf);
 785         if(fattr == 0) {
 786                 fattr = FILE_ATTRIBUTE_NORMAL;
 787         }
 788         if (!fsp->is_directory && (fattr & aDIR)) {
 789                 close_file(fsp,ERROR_CLOSE);
 790                 END_PROFILE(SMBntcreateX);
 791                 return ERROR_DOS(ERRDOS,ERRnoaccess);
 792         }
 793
 794         /* Save the requested allocation size. */
 795         if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
 796                 SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize);
 797 #ifdef LARGE_SMB_OFF_T
 798                 allocation_size |= (((SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
 799 #endif
 800                 if (allocation_size && (allocation_size > (SMB_BIG_UINT)file_len)) {
 801                         fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
 802                         if (fsp->is_directory) {
 803                                 close_file(fsp,ERROR_CLOSE);
 804                                 END_PROFILE(SMBntcreateX);
 805                                 /* Can't set allocation size on a directory. */
 806                                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
 807                         }
 808                         if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
 809                                 close_file(fsp,ERROR_CLOSE);
 810                                 END_PROFILE(SMBntcreateX);
 811                                 return ERROR_NT(NT_STATUS_DISK_FULL);
 812                         }
 813                 } else {
 814                         fsp->initial_allocation_size = smb_roundup(fsp->conn,(SMB_BIG_UINT)file_len);
 815                 }
 816         }
 817
 818         /*
 819          * If the caller set the extended oplock request bit
 820          * and we granted one (by whatever means) - set the
 821          * correct bit for extended oplock reply.
 822          */
 823
 824         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
 825                 extended_oplock_granted = True;
 826         }
 827
 828         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
 829                 extended_oplock_granted = True;
 830         }
 831
 832 #if 0
 833         /* W2K sends back 42 words here ! If we do the same it breaks offline sync. Go figure... ? JRA. */
 834         set_message(outbuf,42,0,True);
 835 #else
 836         set_message(outbuf,34,0,True);
 837 #endif
 838
 839         p = outbuf + smb_vwv2;
 840
 841         /*
 842          * Currently as we don't support level II oplocks we just report
 843          * exclusive & batch here.
 844          */
 845
 846         if (extended_oplock_granted) {
 847                 if (flags & REQUEST_BATCH_OPLOCK) {
 848                         SCVAL(p,0, BATCH_OPLOCK_RETURN);
 849                 } else {
 850                         SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
 851                 }
 852         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
 853                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
 854         } else {
 855                 SCVAL(p,0,NO_OPLOCK_RETURN);
 856         }
 857
 858         p++;
 859         SSVAL(p,0,fsp->fnum);
 860         p += 2;
 861         if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
 862                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
 863         } else {
 864                 SIVAL(p,0,info);
 865         }
 866         p += 4;
 867
 868         /* Create time. */
 869         c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
 870         a_timespec = get_atimespec(&sbuf);
 871         m_timespec = get_mtimespec(&sbuf);
 872
 873         if (lp_dos_filetime_resolution(SNUM(conn))) {
 874                 dos_filetime_timespec(&c_timespec);
 875                 dos_filetime_timespec(&a_timespec);
 876                 dos_filetime_timespec(&m_timespec);
 877         }
 878
 879         put_long_date_timespec(p, c_timespec);
 880         p += 8;
 881         put_long_date_timespec(p, a_timespec); /* access time */
 882         p += 8;
 883         put_long_date_timespec(p, m_timespec); /* write time */
 884         p += 8;
 885         put_long_date_timespec(p, m_timespec); /* change time */
 886         p += 8;
 887         SIVAL(p,0,fattr); /* File Attributes. */
 888         p += 4;
 889         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
 890         p += 8;
 891         SOFF_T(p,0,file_len);
 892         p += 8;
 893         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 894                 SSVAL(p,2,0x7);
 895         }
 896         p += 4;
 897         SCVAL(p,0,fsp->is_directory ? 1 : 0);
 898
 899         DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
 900
 901         result = chain_reply(inbuf,outbuf,length,bufsize);
 902         END_PROFILE(SMBntcreateX);
 903         return result;
 904 }
 905
 906 /****************************************************************************
 907  Reply to a NT_TRANSACT_CREATE call to open a pipe.
 908 ****************************************************************************/
 909
 910 static int do_nt_transact_create_pipe( connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
 911                                   uint16 **ppsetup, uint32 setup_count,
 912                                   char **ppparams, uint32 parameter_count,
 913                                   char **ppdata, uint32 data_count)
 914 {
 915         pstring fname;
 916         char *params = *ppparams;
 917         int ret;
 918         int pnum = -1;
 919         char *p = NULL;
 920         NTSTATUS status;
 921
 922         /*
 923          * Ensure minimum number of parameters sent.
 924          */
 925
 926         if(parameter_count < 54) {
 927                 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
 928                 return ERROR_DOS(ERRDOS,ERRnoaccess);
 929         }
 930
 931         srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
 932         if (!NT_STATUS_IS_OK(status)) {
 933                 return ERROR_NT(status);
 934         }
 935
 936         if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0) {
 937                 return ret;
 938         }
 939
 940         /* Realloc the size of parameters and data we will return */
 941         params = nttrans_realloc(ppparams, 69);
 942         if(params == NULL) {
 943                 return ERROR_DOS(ERRDOS,ERRnomem);
 944         }
 945
 946         p = params;
 947         SCVAL(p,0,NO_OPLOCK_RETURN);
 948
 949         p += 2;
 950         SSVAL(p,0,pnum);
 951         p += 2;
 952         SIVAL(p,0,FILE_WAS_OPENED);
 953         p += 8;
 954
 955         p += 32;
 956         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 957         p += 20;
 958         /* File type. */
 959         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 960         /* Device state. */
 961         SSVAL(p,2, 0x5FF); /* ? */
 962
 963         DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
 964
 965         /* Send the required number of replies */
 966         send_nt_replies(outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
 967
 968         return -1;
 969 }
 970
 971 /****************************************************************************
 972  Internal fn to set security descriptors.
 973 ****************************************************************************/
 974
 975 static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent)
 976 {
 977         prs_struct pd;
 978         SEC_DESC *psd = NULL;
 979         TALLOC_CTX *mem_ctx;
 980         BOOL ret;
 981
 982         if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
 983                 return NT_STATUS_OK;
 984         }
 985
 986         /*
 987          * Init the parse struct we will unmarshall from.
 988          */
 989
 990         if ((mem_ctx = talloc_init("set_sd")) == NULL) {
 991                 DEBUG(0,("set_sd: talloc_init failed.\n"));
 992                 return NT_STATUS_NO_MEMORY;
 993         }
 994
 995         prs_init(&pd, 0, mem_ctx, UNMARSHALL);
 996
 997         /*
 998          * Setup the prs_struct to point at the memory we just
 999          * allocated.
1000          */
1001
1002         prs_give_memory( &pd, data, sd_len, False);
1003
1004         /*
1005          * Finally, unmarshall from the data buffer.
1006          */
1007
1008         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1009                 DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
1010                 /*
1011                  * Return access denied for want of a better error message..
1012                  */
1013                 talloc_destroy(mem_ctx);
1014                 return NT_STATUS_NO_MEMORY;
1015         }
1016
1017         if (psd->owner_sid==0) {
1018                 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
1019         }
1020         if (psd->group_sid==0) {
1021                 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
1022         }
1023         if (psd->sacl==0) {
1024                 security_info_sent &= ~SACL_SECURITY_INFORMATION;
1025         }
1026         if (psd->dacl==0) {
1027                 security_info_sent &= ~DACL_SECURITY_INFORMATION;
1028         }
1029
1030         ret = SMB_VFS_FSET_NT_ACL( fsp, fsp->fh->fd, security_info_sent, psd);
1031
1032         if (!ret) {
1033                 talloc_destroy(mem_ctx);
1034                 return NT_STATUS_ACCESS_DENIED;
1035         }
1036
1037         talloc_destroy(mem_ctx);
1038
1039         return NT_STATUS_OK;
1040 }
1041
1042 /****************************************************************************
1043  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
1044 ****************************************************************************/
1045
1046 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
1047 {
1048         struct ea_list *ea_list_head = NULL;
1049         size_t offset = 0;
1050
1051         if (data_size < 4) {
1052                 return NULL;
1053         }
1054
1055         while (offset + 4 <= data_size) {
1056                 size_t next_offset = IVAL(pdata,offset);
1057                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
1058
1059                 if (!eal) {
1060                         return NULL;
1061                 }
1062
1063                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
1064                 if (next_offset == 0) {
1065                         break;
1066                 }
1067                 offset += next_offset;
1068         }
1069
1070         return ea_list_head;
1071 }
1072
1073 /****************************************************************************
1074  Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1075 ****************************************************************************/
1076
1077 static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1078                                   uint16 **ppsetup, uint32 setup_count,
1079                                   char **ppparams, uint32 parameter_count,
1080                                   char **ppdata, uint32 data_count, uint32 max_data_count)
1081 {
1082         pstring fname;
1083         char *params = *ppparams;
1084         char *data = *ppdata;
1085         /* Breakout the oplock request bits so we can set the reply bits separately. */
1086         int oplock_request = 0;
1087         uint32 fattr=0;
1088         SMB_OFF_T file_len = 0;
1089         SMB_STRUCT_STAT sbuf;
1090         int info = 0;
1091         files_struct *fsp = NULL;
1092         char *p = NULL;
1093         BOOL extended_oplock_granted = False;
1094         uint32 flags;
1095         uint32 access_mask;
1096         uint32 file_attributes;
1097         uint32 share_access;
1098         uint32 create_disposition;
1099         uint32 create_options;
1100         uint32 sd_len;
1101         uint32 ea_len;
1102         uint16 root_dir_fid;
1103         struct timespec c_timespec;
1104         struct timespec a_timespec;
1105         struct timespec m_timespec;
1106         struct ea_list *ea_list = NULL;
1107         TALLOC_CTX *ctx = NULL;
1108         char *pdata = NULL;
1109         NTSTATUS status;
1110
1111         DEBUG(5,("call_nt_transact_create\n"));
1112
1113         /*
1114          * If it's an IPC, use the pipe handler.
1115          */
1116
1117         if (IS_IPC(conn)) {
1118                 if (lp_nt_pipe_support()) {
1119                         return do_nt_transact_create_pipe(conn, inbuf, outbuf, length,
1120                                         bufsize,
1121                                         ppsetup, setup_count,
1122                                         ppparams, parameter_count,
1123                                         ppdata, data_count);
1124                 } else {
1125                         return ERROR_DOS(ERRDOS,ERRnoaccess);
1126                 }
1127         }
1128
1129         /*
1130          * Ensure minimum number of parameters sent.
1131          */
1132
1133         if(parameter_count < 54) {
1134                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1135                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1136         }
1137
1138         flags = IVAL(params,0);
1139         access_mask = IVAL(params,8);
1140         file_attributes = IVAL(params,20);
1141         share_access = IVAL(params,24);
1142         create_disposition = IVAL(params,28);
1143         create_options = IVAL(params,32);
1144         sd_len = IVAL(params,36);
1145         ea_len = IVAL(params,40);
1146         root_dir_fid = (uint16)IVAL(params,4);
1147
1148         /* Ensure the data_len is correct for the sd and ea values given. */
1149         if ((ea_len + sd_len > data_count) ||
1150                         (ea_len > data_count) || (sd_len > data_count) ||
1151                         (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1152                 DEBUG(10,("call_nt_transact_create - ea_len = %u, sd_len = %u, data_count = %u\n",
1153                         (unsigned int)ea_len, (unsigned int)sd_len, (unsigned int)data_count ));
1154                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1155         }
1156
1157         if (ea_len) {
1158                 if (!lp_ea_support(SNUM(conn))) {
1159                         DEBUG(10,("call_nt_transact_create - ea_len = %u but EA's not supported.\n",
1160                                 (unsigned int)ea_len ));
1161                         return ERROR_NT(NT_STATUS_EAS_NOT_SUPPORTED);
1162                 }
1163
1164                 if (ea_len < 10) {
1165                         DEBUG(10,("call_nt_transact_create - ea_len = %u - too small (should be more than 10)\n",
1166                                 (unsigned int)ea_len ));
1167                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1168                 }
1169         }
1170
1171         if (create_options & FILE_OPEN_BY_FILE_ID) {
1172                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1173         }
1174
1175         /*
1176          * Get the file name.
1177          */
1178
1179         if(root_dir_fid != 0) {
1180                 /*
1181                  * This filename is relative to a directory fid.
1182                  */
1183                 files_struct *dir_fsp = file_fsp(params,4);
1184                 size_t dir_name_len;
1185
1186                 if(!dir_fsp) {
1187                         return ERROR_DOS(ERRDOS,ERRbadfid);
1188                 }
1189
1190                 if(!dir_fsp->is_directory) {
1191                         srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
1192                         if (!NT_STATUS_IS_OK(status)) {
1193                                 return ERROR_NT(status);
1194                         }
1195
1196                         /*
1197                          * Check to see if this is a mac fork of some kind.
1198                          */
1199
1200                         if( is_ntfs_stream_name(fname)) {
1201                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1202                         }
1203
1204                         return ERROR_DOS(ERRDOS,ERRbadfid);
1205                 }
1206
1207                 /*
1208                  * Copy in the base directory name.
1209                  */
1210
1211                 pstrcpy( fname, dir_fsp->fsp_name );
1212                 dir_name_len = strlen(fname);
1213
1214                 /*
1215                  * Ensure it ends in a '\'.
1216                  */
1217
1218                 if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
1219                         pstrcat(fname, "/");
1220                         dir_name_len++;
1221                 }
1222
1223                 {
1224                         pstring tmpname;
1225                         srvstr_get_path(inbuf, tmpname, params+53, sizeof(tmpname), parameter_count-53, STR_TERMINATE, &status);
1226                         if (!NT_STATUS_IS_OK(status)) {
1227                                 return ERROR_NT(status);
1228                         }
1229                         pstrcat(fname, tmpname);
1230                 }
1231         } else {
1232                 srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
1233                 if (!NT_STATUS_IS_OK(status)) {
1234                         return ERROR_NT(status);
1235                 }
1236
1237                 /*
1238                  * Check to see if this is a mac fork of some kind.
1239                  */
1240
1241                 if( is_ntfs_stream_name(fname)) {
1242                         return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1243                 }
1244         }
1245
1246         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1247         oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1248
1249         /*
1250          * Check if POSIX semantics are wanted.
1251          */
1252
1253         set_posix_case_semantics(conn, file_attributes);
1254
1255         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
1256
1257         status = unix_convert(conn, fname, False, NULL, &sbuf);
1258         if (!NT_STATUS_IS_OK(status)) {
1259                 restore_case_semantics(conn, file_attributes);
1260                 return ERROR_NT(status);
1261         }
1262         /* All file access must go through check_name() */
1263         status = check_name(conn, fname);
1264         if (!NT_STATUS_IS_OK(status)) {
1265                 restore_case_semantics(conn, file_attributes);
1266                 return ERROR_NT(status);
1267         }
1268
1269         /* This is the correct thing to do (check every time) but can_delete is
1270            expensive (it may have to read the parent directory permissions). So
1271            for now we're not doing it unless we have a strong hint the client
1272            is really going to delete this file. If the client is forcing FILE_CREATE
1273            let the filesystem take care of the permissions. */
1274
1275         /* Setting FILE_SHARE_DELETE is the hint. */
1276
1277         if (lp_acl_check_permissions(SNUM(conn))
1278             && (create_disposition != FILE_CREATE)
1279             && (share_access & FILE_SHARE_DELETE)
1280             && (access_mask & DELETE_ACCESS)
1281             && !can_delete_file_in_directory(conn, fname)) {
1282                 restore_case_semantics(conn, file_attributes);
1283                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1284         }
1285
1286         if (ea_len) {
1287                 pdata = data + sd_len;
1288
1289                 /* We have already checked that ea_len <= data_count here. */
1290                 ea_list = read_nttrans_ea_list(tmp_talloc_ctx(), pdata,
1291                                                ea_len);
1292                 if (!ea_list ) {
1293                         restore_case_semantics(conn, file_attributes);
1294                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1295                 }
1296         }
1297
1298         /*
1299          * If it's a request for a directory open, deal with it separately.
1300          */
1301
1302         if(create_options & FILE_DIRECTORY_FILE) {
1303
1304                 /* Can't open a temp directory. IFS kit test. */
1305                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
1306                         restore_case_semantics(conn, file_attributes);
1307                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1308                 }
1309
1310                 oplock_request = 0;
1311
1312                 /*
1313                  * We will get a create directory here if the Win32
1314                  * app specified a security descriptor in the
1315                  * CreateDirectory() call.
1316                  */
1317
1318                 status = open_directory(conn, fname, &sbuf,
1319                                         access_mask,
1320                                         share_access,
1321                                         create_disposition,
1322                                         create_options,
1323                                         &info, &fsp);
1324                 if(!NT_STATUS_IS_OK(status)) {
1325                         restore_case_semantics(conn, file_attributes);
1326                         return ERROR_NT(status);
1327                 }
1328
1329         } else {
1330
1331                 /*
1332                  * Ordinary file case.
1333                  */
1334
1335                 status = open_file_ntcreate(conn,fname,&sbuf,
1336                                         access_mask,
1337                                         share_access,
1338                                         create_disposition,
1339                                         create_options,
1340                                         file_attributes,
1341                                         oplock_request,
1342                                         &info, &fsp);
1343
1344                 if (!NT_STATUS_IS_OK(status)) {
1345                         if (NT_STATUS_EQUAL(status,
1346                                             NT_STATUS_FILE_IS_A_DIRECTORY)) {
1347
1348                                 /*
1349                                  * Fail the open if it was explicitly a non-directory file.
1350                                  */
1351
1352                                 if (create_options & FILE_NON_DIRECTORY_FILE) {
1353                                         restore_case_semantics(conn, file_attributes);
1354                                         return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
1355                                 }
1356
1357                                 oplock_request = 0;
1358                                 status = open_directory(conn, fname, &sbuf,
1359                                                         access_mask,
1360                                                         share_access,
1361                                                         create_disposition,
1362                                                         create_options,
1363                                                         &info, &fsp);
1364                                 if(!NT_STATUS_IS_OK(status)) {
1365                                         restore_case_semantics(conn, file_attributes);
1366                                         return ERROR_NT(status);
1367                                 }
1368                         } else {
1369                                 restore_case_semantics(conn, file_attributes);
1370                                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1371                                         /* We have re-scheduled this call. */
1372                                         return -1;
1373                                 }
1374                                 return ERROR_NT(status);
1375                         }
1376                 }
1377         }
1378
1379         /*
1380          * According to the MS documentation, the only time the security
1381          * descriptor is applied to the opened file is iff we *created* the
1382          * file; an existing file stays the same.
1383          *
1384          * Also, it seems (from observation) that you can open the file with
1385          * any access mask but you can still write the sd. We need to override
1386          * the granted access before we call set_sd
1387          * Patch for bug #2242 from Tom Lackemann <cessnatomny@yahoo.com>.
1388          */
1389
1390         if (lp_nt_acl_support(SNUM(conn)) && sd_len && info == FILE_WAS_CREATED) {
1391                 uint32 saved_access_mask = fsp->access_mask;
1392
1393                 /* We have already checked that sd_len <= data_count here. */
1394
1395                 fsp->access_mask = FILE_GENERIC_ALL;
1396
1397                 status = set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION);
1398                 if (!NT_STATUS_IS_OK(status)) {
1399                         talloc_destroy(ctx);
1400                         close_file(fsp,ERROR_CLOSE);
1401                         restore_case_semantics(conn, file_attributes);
1402                         return ERROR_NT(status);
1403                 }
1404                 fsp->access_mask = saved_access_mask;
1405         }
1406
1407         if (ea_len && (info == FILE_WAS_CREATED)) {
1408                 status = set_ea(conn, fsp, fname, ea_list);
1409                 if (!NT_STATUS_IS_OK(status)) {
1410                         close_file(fsp,ERROR_CLOSE);
1411                         restore_case_semantics(conn, file_attributes);
1412                         return ERROR_NT(status);
1413                 }
1414         }
1415
1416         restore_case_semantics(conn, file_attributes);
1417
1418         file_len = sbuf.st_size;
1419         fattr = dos_mode(conn,fname,&sbuf);
1420         if(fattr == 0) {
1421                 fattr = FILE_ATTRIBUTE_NORMAL;
1422         }
1423         if (!fsp->is_directory && (fattr & aDIR)) {
1424                 close_file(fsp,ERROR_CLOSE);
1425                 return ERROR_DOS(ERRDOS,ERRnoaccess);
1426         }
1427
1428         /* Save the requested allocation size. */
1429         if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
1430                 SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(params,12);
1431 #ifdef LARGE_SMB_OFF_T
1432                 allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
1433 #endif
1434                 if (allocation_size && (allocation_size > file_len)) {
1435                         fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
1436                         if (fsp->is_directory) {
1437                                 close_file(fsp,ERROR_CLOSE);
1438                                 /* Can't set allocation size on a directory. */
1439                                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1440                         }
1441                         if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1442                                 close_file(fsp,ERROR_CLOSE);
1443                                 return ERROR_NT(NT_STATUS_DISK_FULL);
1444                         }
1445                 } else {
1446                         fsp->initial_allocation_size = smb_roundup(fsp->conn, (SMB_BIG_UINT)file_len);
1447                 }
1448         }
1449
1450         /*
1451          * If the caller set the extended oplock request bit
1452          * and we granted one (by whatever means) - set the
1453          * correct bit for extended oplock reply.
1454          */
1455
1456         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1457                 extended_oplock_granted = True;
1458         }
1459
1460         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1461                 extended_oplock_granted = True;
1462         }
1463
1464         /* Realloc the size of parameters and data we will return */
1465         params = nttrans_realloc(ppparams, 69);
1466         if(params == NULL) {
1467                 return ERROR_DOS(ERRDOS,ERRnomem);
1468         }
1469
1470         p = params;
1471         if (extended_oplock_granted) {
1472                 if (flags & REQUEST_BATCH_OPLOCK) {
1473                         SCVAL(p,0, BATCH_OPLOCK_RETURN);
1474                 } else {
1475                         SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
1476                 }
1477         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1478                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
1479         } else {
1480                 SCVAL(p,0,NO_OPLOCK_RETURN);
1481         }
1482
1483         p += 2;
1484         SSVAL(p,0,fsp->fnum);
1485         p += 2;
1486         if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
1487                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1488         } else {
1489                 SIVAL(p,0,info);
1490         }
1491         p += 8;
1492
1493         /* Create time. */
1494         c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1495         a_timespec = get_atimespec(&sbuf);
1496         m_timespec = get_mtimespec(&sbuf);
1497
1498         if (lp_dos_filetime_resolution(SNUM(conn))) {
1499                 dos_filetime_timespec(&c_timespec);
1500                 dos_filetime_timespec(&a_timespec);
1501                 dos_filetime_timespec(&m_timespec);
1502         }
1503
1504         put_long_date_timespec(p, c_timespec); /* create time. */
1505         p += 8;
1506         put_long_date_timespec(p, a_timespec); /* access time */
1507         p += 8;
1508         put_long_date_timespec(p, m_timespec); /* write time */
1509         p += 8;
1510         put_long_date_timespec(p, m_timespec); /* change time */
1511         p += 8;
1512         SIVAL(p,0,fattr); /* File Attributes. */
1513         p += 4;
1514         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1515         p += 8;
1516         SOFF_T(p,0,file_len);
1517         p += 8;
1518         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1519                 SSVAL(p,2,0x7);
1520         }
1521         p += 4;
1522         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1523
1524         DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
1525
1526         /* Send the required number of replies */
1527         send_nt_replies(outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
1528
1529         return -1;
1530 }
1531
1532 /****************************************************************************
1533  Reply to a NT CANCEL request.
1534  conn POINTER CAN BE NULL HERE !
1535 ****************************************************************************/
1536
1537 int reply_ntcancel(connection_struct *conn,
1538                    char *inbuf,char *outbuf,int length,int bufsize)
1539 {
1540         /*
1541          * Go through and cancel any pending change notifies.
1542          */
1543
1544         int mid = SVAL(inbuf,smb_mid);
1545         START_PROFILE(SMBntcancel);
1546         remove_pending_change_notify_requests_by_mid(mid);
1547         remove_pending_lock_requests_by_mid(mid);
1548         srv_cancel_sign_response(mid);
1549
1550         DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", mid));
1551
1552         END_PROFILE(SMBntcancel);
1553         return(-1);
1554 }
1555
1556 /****************************************************************************
1557  Copy a file.
1558 ****************************************************************************/
1559
1560 static NTSTATUS copy_internals(connection_struct *conn, char *oldname, char *newname, uint32 attrs)
1561 {
1562         SMB_STRUCT_STAT sbuf1, sbuf2;
1563         pstring last_component_oldname;
1564         pstring last_component_newname;
1565         files_struct *fsp1,*fsp2;
1566         uint32 fattr;
1567         int info;
1568         SMB_OFF_T ret=-1;
1569         int close_ret;
1570         NTSTATUS status = NT_STATUS_OK;
1571
1572         ZERO_STRUCT(sbuf1);
1573         ZERO_STRUCT(sbuf2);
1574
1575         if (!CAN_WRITE(conn)) {
1576                 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1577         }
1578
1579         status = unix_convert(conn, oldname, False, last_component_oldname, &sbuf1);
1580         if (!NT_STATUS_IS_OK(status)) {
1581                 return status;
1582         }
1583
1584         /* Source must already exist. */
1585         if (!VALID_STAT(sbuf1)) {
1586                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1587         }
1588         status = check_name(conn, oldname);
1589         if (!NT_STATUS_IS_OK(status)) {
1590                 return status;
1591         }
1592
1593         /* Ensure attributes match. */
1594         fattr = dos_mode(conn,oldname,&sbuf1);
1595         if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1596                 return NT_STATUS_NO_SUCH_FILE;
1597         }
1598
1599         status = unix_convert(conn, newname, False, last_component_newname, &sbuf2);
1600         if (!NT_STATUS_IS_OK(status)) {
1601                 return status;
1602         }
1603
1604         /* Disallow if newname already exists. */
1605         if (VALID_STAT(sbuf2)) {
1606                 return NT_STATUS_OBJECT_NAME_COLLISION;
1607         }
1608
1609         status = check_name(conn, newname);
1610         if (!NT_STATUS_IS_OK(status)) {
1611                 return status;
1612         }
1613
1614         /* No links from a directory. */
1615         if (S_ISDIR(sbuf1.st_mode)) {
1616                 return NT_STATUS_FILE_IS_A_DIRECTORY;
1617         }
1618
1619         /* Ensure this is within the share. */
1620         status = reduce_name(conn, oldname);
1621         if (!NT_STATUS_IS_OK(status)) {
1622                 return status;
1623         }
1624
1625         DEBUG(10,("copy_internals: doing file copy %s to %s\n", oldname, newname));
1626
1627         status = open_file_ntcreate(conn,oldname,&sbuf1,
1628                         FILE_READ_DATA, /* Read-only. */
1629                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1630                         FILE_OPEN,
1631                         0, /* No create options. */
1632                         FILE_ATTRIBUTE_NORMAL,
1633                         NO_OPLOCK,
1634                         &info, &fsp1);
1635
1636         if (!NT_STATUS_IS_OK(status)) {
1637                 return status;
1638         }
1639
1640         status = open_file_ntcreate(conn,newname,&sbuf2,
1641                         FILE_WRITE_DATA, /* Read-only. */
1642                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1643                         FILE_CREATE,
1644                         0, /* No create options. */
1645                         fattr,
1646                         NO_OPLOCK,
1647                         &info, &fsp2);
1648
1649         if (!NT_STATUS_IS_OK(status)) {
1650                 close_file(fsp1,ERROR_CLOSE);
1651                 return status;
1652         }
1653
1654         if (sbuf1.st_size) {
1655                 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1656         }
1657
1658         /*
1659          * As we are opening fsp1 read-only we only expect
1660          * an error on close on fsp2 if we are out of space.
1661          * Thus we don't look at the error return from the
1662          * close of fsp1.
1663          */
1664         close_file(fsp1,NORMAL_CLOSE);
1665
1666         /* Ensure the modtime is set correctly on the destination file. */
1667         fsp_set_pending_modtime(fsp2, sbuf1.st_mtime);
1668
1669         close_ret = close_file(fsp2,NORMAL_CLOSE);
1670
1671         /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1672            creates the file. This isn't the correct thing to do in the copy
1673            case. JRA */
1674         file_set_dosmode(conn, newname, fattr, &sbuf2,
1675                          parent_dirname(newname));
1676
1677         if (ret < (SMB_OFF_T)sbuf1.st_size) {
1678                 return NT_STATUS_DISK_FULL;
1679         }
1680
1681         if (close_ret != 0) {
1682                 status = map_nt_error_from_unix(close_ret);
1683                 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1684                         nt_errstr(status), oldname, newname));
1685         }
1686         return status;
1687 }
1688
1689 /****************************************************************************
1690  Reply to a NT rename request.
1691 ****************************************************************************/
1692
1693 int reply_ntrename(connection_struct *conn,
1694                    char *inbuf,char *outbuf,int length,int bufsize)
1695 {
1696         int outsize = 0;
1697         pstring oldname;
1698         pstring newname;
1699         char *p;
1700         NTSTATUS status;
1701         BOOL path1_contains_wcard = False;
1702         BOOL path2_contains_wcard = False;
1703         uint32 attrs = SVAL(inbuf,smb_vwv0);
1704         uint16 rename_type = SVAL(inbuf,smb_vwv1);
1705
1706         START_PROFILE(SMBntrename);
1707
1708         p = smb_buf(inbuf) + 1;
1709         p += srvstr_get_path_wcard(inbuf, oldname, p, sizeof(oldname), 0, STR_TERMINATE, &status, &path1_contains_wcard);
1710         if (!NT_STATUS_IS_OK(status)) {
1711                 END_PROFILE(SMBntrename);
1712                 return ERROR_NT(status);
1713         }
1714
1715         if( is_ntfs_stream_name(oldname)) {
1716                 /* Can't rename a stream. */
1717                 END_PROFILE(SMBntrename);
1718                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1719         }
1720
1721         if (ms_has_wild(oldname)) {
1722                 END_PROFILE(SMBntrename);
1723                 return ERROR_NT(NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1724         }
1725
1726         p++;
1727         p += srvstr_get_path_wcard(inbuf, newname, p, sizeof(newname), 0, STR_TERMINATE, &status, &path2_contains_wcard);
1728         if (!NT_STATUS_IS_OK(status)) {
1729                 END_PROFILE(SMBntrename);
1730                 return ERROR_NT(status);
1731         }
1732
1733         RESOLVE_DFSPATH(oldname, conn, inbuf, outbuf);
1734         RESOLVE_DFSPATH(newname, conn, inbuf, outbuf);
1735
1736         DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1737
1738         switch(rename_type) {
1739                 case RENAME_FLAG_RENAME:
1740                         status = rename_internals(conn, oldname, newname, attrs, False, path1_contains_wcard);
1741                         break;
1742                 case RENAME_FLAG_HARD_LINK:
1743                         if (path1_contains_wcard || path2_contains_wcard) {
1744                                 /* No wildcards. */
1745                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1746                         } else {
1747                                 status = hardlink_internals(conn, oldname, newname);
1748                         }
1749                         break;
1750                 case RENAME_FLAG_COPY:
1751                         if (path1_contains_wcard || path2_contains_wcard) {
1752                                 /* No wildcards. */
1753                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1754                         } else {
1755                                 status = copy_internals(conn, oldname, newname, attrs);
1756                         }
1757                         break;
1758                 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1759                         status = NT_STATUS_INVALID_PARAMETER;
1760                         break;
1761                 default:
1762                         status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1763                         break;
1764         }
1765
1766         if (!NT_STATUS_IS_OK(status)) {
1767                 END_PROFILE(SMBntrename);
1768                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1769                         /* We have re-scheduled this call. */
1770                         return -1;
1771                 }
1772                 return ERROR_NT(status);
1773         }
1774
1775         /*
1776          * Win2k needs a changenotify request response before it will
1777          * update after a rename..
1778          */
1779         process_pending_change_notify_queue((time_t)0);
1780         outsize = set_message(outbuf,0,0,False);
1781
1782         END_PROFILE(SMBntrename);
1783         return(outsize);
1784 }
1785
1786 /****************************************************************************
1787  Reply to a notify change - queue the request and
1788  don't allow a directory to be opened.
1789 ****************************************************************************/
1790
1791 static int call_nt_transact_notify_change(connection_struct *conn, char *inbuf,
1792                                           char *outbuf, int length,
1793                                           int bufsize,
1794                                           uint16 **ppsetup, uint32 setup_count,
1795                                           char **ppparams,
1796                                           uint32 parameter_count,
1797                                           char **ppdata, uint32 data_count,
1798                                           uint32 max_data_count,
1799                                           uint32 max_param_count)
1800 {
1801         uint16 *setup = *ppsetup;
1802         files_struct *fsp;
1803         uint32 flags;
1804
1805         if(setup_count < 6) {
1806                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1807         }
1808
1809         fsp = file_fsp((char *)setup,4);
1810         flags = IVAL(setup, 0);
1811
1812         DEBUG(3,("call_nt_transact_notify_change\n"));
1813
1814         if(!fsp) {
1815                 return ERROR_DOS(ERRDOS,ERRbadfid);
1816         }
1817
1818         if((!fsp->is_directory) || (conn != fsp->conn)) {
1819                 return ERROR_DOS(ERRDOS,ERRbadfid);
1820         }
1821
1822         if (!change_notify_set(inbuf, fsp, conn, flags)) {
1823                 return(UNIXERROR(ERRDOS,ERRbadfid));
1824         }
1825
1826         DEBUG(3,("call_nt_transact_notify_change: notify change called on directory \
1827 name = %s\n", fsp->fsp_name ));
1828
1829         return -1;
1830 }
1831
1832 /****************************************************************************
1833  Reply to an NT transact rename command.
1834 ****************************************************************************/
1835
1836 static int call_nt_transact_rename(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1837                                   uint16 **ppsetup, uint32 setup_count,
1838                                   char **ppparams, uint32 parameter_count,
1839                                   char **ppdata, uint32 data_count, uint32 max_data_count)
1840 {
1841         char *params = *ppparams;
1842         pstring new_name;
1843         files_struct *fsp = NULL;
1844         BOOL replace_if_exists = False;
1845         BOOL path_contains_wcard = False;
1846         NTSTATUS status;
1847
1848         if(parameter_count < 5) {
1849                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1850         }
1851
1852         fsp = file_fsp(params, 0);
1853         replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
1854         CHECK_FSP(fsp, conn);
1855         srvstr_get_path_wcard(inbuf, new_name, params+4, sizeof(new_name), parameter_count - 4, STR_TERMINATE, &status, &path_contains_wcard);
1856         if (!NT_STATUS_IS_OK(status)) {
1857                 return ERROR_NT(status);
1858         }
1859
1860         status = rename_internals(conn, fsp->fsp_name,
1861                                   new_name, 0, replace_if_exists, path_contains_wcard);
1862
1863         if (!NT_STATUS_IS_OK(status)) {
1864                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1865                         /* We have re-scheduled this call. */
1866                         return -1;
1867                 }
1868                 return ERROR_NT(status);
1869         }
1870
1871         /*
1872          * Rename was successful.
1873          */
1874         send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1875
1876         DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
1877                  fsp->fsp_name, new_name));
1878
1879         /*
1880          * Win2k needs a changenotify request response before it will
1881          * update after a rename..
1882          */
1883
1884         process_pending_change_notify_queue((time_t)0);
1885
1886         return -1;
1887 }
1888
1889 /******************************************************************************
1890  Fake up a completely empty SD.
1891 *******************************************************************************/
1892
1893 static size_t get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1894 {
1895         size_t sd_size;
1896
1897         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1898         if(!*ppsd) {
1899                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1900                 sd_size = 0;
1901         }
1902
1903         return sd_size;
1904 }
1905
1906 /****************************************************************************
1907  Reply to query a security descriptor.
1908 ****************************************************************************/
1909
1910 static int call_nt_transact_query_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1911                                   uint16 **ppsetup, uint32 setup_count,
1912                                   char **ppparams, uint32 parameter_count,
1913                                   char **ppdata, uint32 data_count, uint32 max_data_count)
1914 {
1915         char *params = *ppparams;
1916         char *data = *ppdata;
1917         prs_struct pd;
1918         SEC_DESC *psd = NULL;
1919         size_t sd_size;
1920         uint32 security_info_wanted;
1921         TALLOC_CTX *mem_ctx;
1922         files_struct *fsp = NULL;
1923
1924         if(parameter_count < 8) {
1925                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1926         }
1927
1928         fsp = file_fsp(params,0);
1929         if(!fsp) {
1930                 return ERROR_DOS(ERRDOS,ERRbadfid);
1931         }
1932
1933         security_info_wanted = IVAL(params,4);
1934
1935         DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
1936                         (unsigned int)security_info_wanted ));
1937
1938         params = nttrans_realloc(ppparams, 4);
1939         if(params == NULL) {
1940                 return ERROR_DOS(ERRDOS,ERRnomem);
1941         }
1942
1943         if ((mem_ctx = talloc_init("call_nt_transact_query_security_desc")) == NULL) {
1944                 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
1945                 return ERROR_DOS(ERRDOS,ERRnomem);
1946         }
1947
1948         /*
1949          * Get the permissions to return.
1950          */
1951
1952         if (!lp_nt_acl_support(SNUM(conn))) {
1953                 sd_size = get_null_nt_acl(mem_ctx, &psd);
1954         } else {
1955                 sd_size = SMB_VFS_FGET_NT_ACL(fsp, fsp->fh->fd, security_info_wanted, &psd);
1956         }
1957
1958         if (sd_size == 0) {
1959                 talloc_destroy(mem_ctx);
1960                 return(UNIXERROR(ERRDOS,ERRnoaccess));
1961         }
1962
1963         DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1964
1965         SIVAL(params,0,(uint32)sd_size);
1966
1967         if(max_data_count < sd_size) {
1968
1969                 send_nt_replies(outbuf, bufsize, NT_STATUS_BUFFER_TOO_SMALL,
1970                                 params, 4, *ppdata, 0);
1971                 talloc_destroy(mem_ctx);
1972                 return -1;
1973         }
1974
1975         /*
1976          * Allocate the data we will point this at.
1977          */
1978
1979         data = nttrans_realloc(ppdata, sd_size);
1980         if(data == NULL) {
1981                 talloc_destroy(mem_ctx);
1982                 return ERROR_DOS(ERRDOS,ERRnomem);
1983         }
1984
1985         /*
1986          * Init the parse struct we will marshall into.
1987          */
1988
1989         prs_init(&pd, 0, mem_ctx, MARSHALL);
1990
1991         /*
1992          * Setup the prs_struct to point at the memory we just
1993          * allocated.
1994          */
1995
1996         prs_give_memory( &pd, data, (uint32)sd_size, False);
1997
1998         /*
1999          * Finally, linearize into the outgoing buffer.
2000          */
2001
2002         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
2003                 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
2004 security descriptor.\n"));
2005                 /*
2006                  * Return access denied for want of a better error message..
2007                  */
2008                 talloc_destroy(mem_ctx);
2009                 return(UNIXERROR(ERRDOS,ERRnoaccess));
2010         }
2011
2012         /*
2013          * Now we can delete the security descriptor.
2014          */
2015
2016         talloc_destroy(mem_ctx);
2017
2018         send_nt_replies(outbuf, bufsize, NT_STATUS_OK, params, 4, data,
2019                         (int)sd_size);
2020         return -1;
2021 }
2022
2023 /****************************************************************************
2024  Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2025 ****************************************************************************/
2026
2027 static int call_nt_transact_set_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2028                                   uint16 **ppsetup, uint32 setup_count,
2029                                   char **ppparams, uint32 parameter_count,
2030                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2031 {
2032         char *params= *ppparams;
2033         char *data = *ppdata;
2034         files_struct *fsp = NULL;
2035         uint32 security_info_sent = 0;
2036         NTSTATUS nt_status;
2037
2038         if(parameter_count < 8) {
2039                 return ERROR_DOS(ERRDOS,ERRbadfunc);
2040         }
2041
2042         if((fsp = file_fsp(params,0)) == NULL) {
2043                 return ERROR_DOS(ERRDOS,ERRbadfid);
2044         }
2045
2046         if(!lp_nt_acl_support(SNUM(conn))) {
2047                 goto done;
2048         }
2049
2050         security_info_sent = IVAL(params,4);
2051
2052         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
2053                 (unsigned int)security_info_sent ));
2054
2055         if (data_count == 0) {
2056                 return ERROR_DOS(ERRDOS, ERRnoaccess);
2057         }
2058
2059         if (!NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, data_count, security_info_sent))) {
2060                 return ERROR_NT(nt_status);
2061         }
2062
2063   done:
2064
2065         send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2066         return -1;
2067 }
2068
2069 /****************************************************************************
2070  Reply to NT IOCTL
2071 ****************************************************************************/
2072
2073 static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2074                                   uint16 **ppsetup, uint32 setup_count,
2075                                   char **ppparams, uint32 parameter_count,
2076                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2077 {
2078         uint32 function;
2079         uint16 fidnum;
2080         files_struct *fsp;
2081         uint8 isFSctl;
2082         uint8 compfilter;
2083         static BOOL logged_message;
2084         char *pdata = *ppdata;
2085
2086         if (setup_count != 8) {
2087                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2088                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2089         }
2090
2091         function = IVAL(*ppsetup, 0);
2092         fidnum = SVAL(*ppsetup, 4);
2093         isFSctl = CVAL(*ppsetup, 6);
2094         compfilter = CVAL(*ppsetup, 7);
2095
2096         DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2097                  function, fidnum, isFSctl, compfilter));
2098
2099         fsp=file_fsp((char *)*ppsetup, 4);
2100         /* this check is done in each implemented function case for now
2101            because I don't want to break anything... --metze
2102         FSP_BELONGS_CONN(fsp,conn);*/
2103
2104         switch (function) {
2105         case FSCTL_SET_SPARSE:
2106                 /* pretend this succeeded - tho strictly we should
2107                    mark the file sparse (if the local fs supports it)
2108                    so we can know if we need to pre-allocate or not */
2109
2110                 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2111                 send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL,
2112                                 0);
2113                 return -1;
2114
2115         case FSCTL_0x000900C0:
2116                 /* pretend this succeeded - don't know what this really is
2117                    but works ok like this --metze
2118                  */
2119
2120                 DEBUG(10,("FSCTL_0x000900C0: called on FID[0x%04X](but not implemented)\n",fidnum));
2121                 send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL,
2122                                 0);
2123                 return -1;
2124
2125         case FSCTL_GET_REPARSE_POINT:
2126                 /* pretend this fail - my winXP does it like this
2127                  * --metze
2128                  */
2129
2130                 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2131                 send_nt_replies(outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT,
2132                                 NULL, 0, NULL, 0);
2133                 return -1;
2134
2135         case FSCTL_SET_REPARSE_POINT:
2136                 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2137                  * --metze
2138                  */
2139
2140                 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2141                 send_nt_replies(outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT,
2142                                 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(outbuf, bufsize, NT_STATUS_OK, NULL, 0,
2256                                 pdata, data_count);
2257
2258                 return -1;
2259         }
2260
2261         case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2262         {
2263                 /* pretend this succeeded -
2264                  *
2265                  * we have to send back a list with all files owned by this SID
2266                  *
2267                  * but I have to check that --metze
2268                  */
2269                 DOM_SID sid;
2270                 uid_t uid;
2271                 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2272
2273                 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2274
2275                 FSP_BELONGS_CONN(fsp,conn);
2276
2277                 /* unknown 4 bytes: this is not the length of the sid :-(  */
2278                 /*unknown = IVAL(pdata,0);*/
2279
2280                 sid_parse(pdata+4,sid_len,&sid);
2281                 DEBUGADD(10,("for SID: %s\n",sid_string_static(&sid)));
2282
2283                 if (!sid_to_uid(&sid, &uid)) {
2284                         DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2285                                 sid_string_static(&sid),(unsigned long)sid_len));
2286                         uid = (-1);
2287                 }
2288
2289                 /* we can take a look at the find source :-)
2290                  *
2291                  * find ./ -uid $uid  -name '*'   is what we need here
2292                  *
2293                  *
2294                  * and send 4bytes len and then NULL terminated unicode strings
2295                  * for each file
2296                  *
2297                  * but I don't know how to deal with the paged results
2298                  * (maybe we can hang the result anywhere in the fsp struct)
2299                  *
2300                  * we don't send all files at once
2301                  * and at the next we should *not* start from the beginning,
2302                  * so we have to cache the result
2303                  *
2304                  * --metze
2305                  */
2306
2307                 /* this works for now... */
2308                 send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0,
2309                                 NULL, 0);
2310                 return -1;
2311         }
2312         default:
2313                 if (!logged_message) {
2314                         logged_message = True; /* Only print this once... */
2315                         DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2316                                  function));
2317                 }
2318         }
2319
2320         return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2321 }
2322
2323
2324 #ifdef HAVE_SYS_QUOTAS
2325 /****************************************************************************
2326  Reply to get user quota
2327 ****************************************************************************/
2328
2329 static int call_nt_transact_get_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2330                                   uint16 **ppsetup, uint32 setup_count,
2331                                   char **ppparams, uint32 parameter_count,
2332                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2333 {
2334         NTSTATUS nt_status = NT_STATUS_OK;
2335         char *params = *ppparams;
2336         char *pdata = *ppdata;
2337         char *entry;
2338         int data_len=0,param_len=0;
2339         int qt_len=0;
2340         int entry_len = 0;
2341         files_struct *fsp = NULL;
2342         uint16 level = 0;
2343         size_t sid_len;
2344         DOM_SID sid;
2345         BOOL start_enum = True;
2346         SMB_NTQUOTA_STRUCT qt;
2347         SMB_NTQUOTA_LIST *tmp_list;
2348         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2349
2350         ZERO_STRUCT(qt);
2351
2352         /* access check */
2353         if (current_user.ut.uid != 0) {
2354                 DEBUG(1,("get_user_quota: access_denied service [%s] user [%s]\n",
2355                         lp_servicename(SNUM(conn)),conn->user));
2356                 return ERROR_DOS(ERRDOS,ERRnoaccess);
2357         }
2358
2359         /*
2360          * Ensure minimum number of parameters sent.
2361          */
2362
2363         if (parameter_count < 4) {
2364                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2365                 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2366         }
2367
2368         /* maybe we can check the quota_fnum */
2369         fsp = file_fsp(params,0);
2370         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2371                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2372                 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2373         }
2374
2375         /* the NULL pointer checking for fsp->fake_file_handle->pd
2376          * is done by CHECK_NTQUOTA_HANDLE_OK()
2377          */
2378         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
2379
2380         level = SVAL(params,2);
2381
2382         /* unknown 12 bytes leading in params */
2383
2384         switch (level) {
2385                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2386                         /* seems that we should continue with the enum here --metze */
2387
2388                         if (qt_handle->quota_list!=NULL &&
2389                             qt_handle->tmp_list==NULL) {
2390
2391                                 /* free the list */
2392                                 free_ntquota_list(&(qt_handle->quota_list));
2393
2394                                 /* Realloc the size of parameters and data we will return */
2395                                 param_len = 4;
2396                                 params = nttrans_realloc(ppparams, param_len);
2397                                 if(params == NULL) {
2398                                         return ERROR_DOS(ERRDOS,ERRnomem);
2399                                 }
2400
2401                                 data_len = 0;
2402                                 SIVAL(params,0,data_len);
2403
2404                                 break;
2405                         }
2406
2407                         start_enum = False;
2408
2409                 case TRANSACT_GET_USER_QUOTA_LIST_START:
2410
2411                         if (qt_handle->quota_list==NULL &&
2412                                 qt_handle->tmp_list==NULL) {
2413                                 start_enum = True;
2414                         }
2415
2416                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0)
2417                                 return ERROR_DOS(ERRSRV,ERRerror);
2418
2419                         /* Realloc the size of parameters and data we will return */
2420                         param_len = 4;
2421                         params = nttrans_realloc(ppparams, param_len);
2422                         if(params == NULL) {
2423                                 return ERROR_DOS(ERRDOS,ERRnomem);
2424                         }
2425
2426                         /* we should not trust the value in max_data_count*/
2427                         max_data_count = MIN(max_data_count,2048);
2428
2429                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2430                         if(pdata == NULL) {
2431                                 return ERROR_DOS(ERRDOS,ERRnomem);
2432                         }
2433
2434                         entry = pdata;
2435
2436                         /* set params Size of returned Quota Data 4 bytes*/
2437                         /* but set it later when we know it */
2438
2439                         /* for each entry push the data */
2440
2441                         if (start_enum) {
2442                                 qt_handle->tmp_list = qt_handle->quota_list;
2443                         }
2444
2445                         tmp_list = qt_handle->tmp_list;
2446
2447                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2448                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2449
2450                                 sid_len = sid_size(&tmp_list->quotas->sid);
2451                                 entry_len = 40 + sid_len;
2452
2453                                 /* nextoffset entry 4 bytes */
2454                                 SIVAL(entry,0,entry_len);
2455
2456                                 /* then the len of the SID 4 bytes */
2457                                 SIVAL(entry,4,sid_len);
2458
2459                                 /* unknown data 8 bytes SMB_BIG_UINT */
2460                                 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2461
2462                                 /* the used disk space 8 bytes SMB_BIG_UINT */
2463                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2464
2465                                 /* the soft quotas 8 bytes SMB_BIG_UINT */
2466                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2467
2468                                 /* the hard quotas 8 bytes SMB_BIG_UINT */
2469                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2470
2471                                 /* and now the SID */
2472                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2473                         }
2474
2475                         qt_handle->tmp_list = tmp_list;
2476
2477                         /* overwrite the offset of the last entry */
2478                         SIVAL(entry-entry_len,0,0);
2479
2480                         data_len = 4+qt_len;
2481                         /* overwrite the params quota_data_len */
2482                         SIVAL(params,0,data_len);
2483
2484                         break;
2485
2486                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2487
2488                         /* unknown 4 bytes IVAL(pdata,0) */
2489
2490                         if (data_count < 8) {
2491                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2492                                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2493                         }
2494
2495                         sid_len = IVAL(pdata,4);
2496                         /* Ensure this is less than 1mb. */
2497                         if (sid_len > (1024*1024)) {
2498                                 return ERROR_DOS(ERRDOS,ERRnomem);
2499                         }
2500
2501                         if (data_count < 8+sid_len) {
2502                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2503                                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2504                         }
2505
2506                         data_len = 4+40+sid_len;
2507
2508                         if (max_data_count < data_len) {
2509                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2510                                         max_data_count, data_len));
2511                                 param_len = 4;
2512                                 SIVAL(params,0,data_len);
2513                                 data_len = 0;
2514                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2515                                 break;
2516                         }
2517
2518                         sid_parse(pdata+8,sid_len,&sid);
2519
2520                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2521                                 ZERO_STRUCT(qt);
2522                                 /*
2523                                  * we have to return zero's in all fields
2524                                  * instead of returning an error here
2525                                  * --metze
2526                                  */
2527                         }
2528
2529                         /* Realloc the size of parameters and data we will return */
2530                         param_len = 4;
2531                         params = nttrans_realloc(ppparams, param_len);
2532                         if(params == NULL) {
2533                                 return ERROR_DOS(ERRDOS,ERRnomem);
2534                         }
2535
2536                         pdata = nttrans_realloc(ppdata, data_len);
2537                         if(pdata == NULL) {
2538                                 return ERROR_DOS(ERRDOS,ERRnomem);
2539                         }
2540
2541                         entry = pdata;
2542
2543                         /* set params Size of returned Quota Data 4 bytes*/
2544                         SIVAL(params,0,data_len);
2545
2546                         /* nextoffset entry 4 bytes */
2547                         SIVAL(entry,0,0);
2548
2549                         /* then the len of the SID 4 bytes */
2550                         SIVAL(entry,4,sid_len);
2551
2552                         /* unknown data 8 bytes SMB_BIG_UINT */
2553                         SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
2554
2555                         /* the used disk space 8 bytes SMB_BIG_UINT */
2556                         SBIG_UINT(entry,16,qt.usedspace);
2557
2558                         /* the soft quotas 8 bytes SMB_BIG_UINT */
2559                         SBIG_UINT(entry,24,qt.softlim);
2560
2561                         /* the hard quotas 8 bytes SMB_BIG_UINT */
2562                         SBIG_UINT(entry,32,qt.hardlim);
2563
2564                         /* and now the SID */
2565                         sid_linearize(entry+40, sid_len, &sid);
2566
2567                         break;
2568
2569                 default:
2570                         DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2571                         return ERROR_DOS(ERRSRV,ERRerror);
2572                         break;
2573         }
2574
2575         send_nt_replies(outbuf, bufsize, nt_status, params, param_len,
2576                         pdata, data_len);
2577
2578         return -1;
2579 }
2580
2581 /****************************************************************************
2582  Reply to set user quota
2583 ****************************************************************************/
2584
2585 static int call_nt_transact_set_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2586                                   uint16 **ppsetup, uint32 setup_count,
2587                                   char **ppparams, uint32 parameter_count,
2588                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2589 {
2590         char *params = *ppparams;
2591         char *pdata = *ppdata;
2592         int data_len=0,param_len=0;
2593         SMB_NTQUOTA_STRUCT qt;
2594         size_t sid_len;
2595         DOM_SID sid;
2596         files_struct *fsp = NULL;
2597
2598         ZERO_STRUCT(qt);
2599
2600         /* access check */
2601         if (current_user.ut.uid != 0) {
2602                 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
2603                         lp_servicename(SNUM(conn)),conn->user));
2604                 return ERROR_DOS(ERRDOS,ERRnoaccess);
2605         }
2606
2607         /*
2608          * Ensure minimum number of parameters sent.
2609          */
2610
2611         if (parameter_count < 2) {
2612                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2613                 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2614         }
2615
2616         /* maybe we can check the quota_fnum */
2617         fsp = file_fsp(params,0);
2618         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2619                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2620                 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2621         }
2622
2623         if (data_count < 40) {
2624                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2625                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2626         }
2627
2628         /* offset to next quota record.
2629          * 4 bytes IVAL(pdata,0)
2630          * unused here...
2631          */
2632
2633         /* sid len */
2634         sid_len = IVAL(pdata,4);
2635
2636         if (data_count < 40+sid_len) {
2637                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2638                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2639         }
2640
2641         /* unknown 8 bytes in pdata
2642          * maybe its the change time in NTTIME
2643          */
2644
2645         /* the used space 8 bytes (SMB_BIG_UINT)*/
2646         qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
2647 #ifdef LARGE_SMB_OFF_T
2648         qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
2649 #else /* LARGE_SMB_OFF_T */
2650         if ((IVAL(pdata,20) != 0)&&
2651                 ((qt.usedspace != 0xFFFFFFFF)||
2652                 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2653                 /* more than 32 bits? */
2654                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2655         }
2656 #endif /* LARGE_SMB_OFF_T */
2657
2658         /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
2659         qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
2660 #ifdef LARGE_SMB_OFF_T
2661         qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
2662 #else /* LARGE_SMB_OFF_T */
2663         if ((IVAL(pdata,28) != 0)&&
2664                 ((qt.softlim != 0xFFFFFFFF)||
2665                 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2666                 /* more than 32 bits? */
2667                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2668         }
2669 #endif /* LARGE_SMB_OFF_T */
2670
2671         /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
2672         qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
2673 #ifdef LARGE_SMB_OFF_T
2674         qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
2675 #else /* LARGE_SMB_OFF_T */
2676         if ((IVAL(pdata,36) != 0)&&
2677                 ((qt.hardlim != 0xFFFFFFFF)||
2678                 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2679                 /* more than 32 bits? */
2680                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2681         }
2682 #endif /* LARGE_SMB_OFF_T */
2683
2684         sid_parse(pdata+40,sid_len,&sid);
2685         DEBUGADD(8,("SID: %s\n",sid_string_static(&sid)));
2686
2687         /* 44 unknown bytes left... */
2688
2689         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2690                 return ERROR_DOS(ERRSRV,ERRerror);
2691         }
2692
2693         send_nt_replies(outbuf, bufsize, NT_STATUS_OK, params, param_len,
2694                         pdata, data_len);
2695
2696         return -1;
2697 }
2698 #endif /* HAVE_SYS_QUOTAS */
2699
2700 static int handle_nttrans(connection_struct *conn,
2701                           struct trans_state *state,
2702                           char *inbuf, char *outbuf, int size, int bufsize)
2703 {
2704         int outsize;
2705
2706         if (Protocol >= PROTOCOL_NT1) {
2707                 SSVAL(outbuf,smb_flg2,SVAL(outbuf,smb_flg2) | 0x40); /* IS_LONG_NAME */
2708         }
2709
2710         /* Now we must call the relevant NT_TRANS function */
2711         switch(state->call) {
2712                 case NT_TRANSACT_CREATE:
2713                 {
2714                         START_PROFILE_NESTED(NT_transact_create);
2715                         outsize = call_nt_transact_create(conn, inbuf, outbuf,
2716                                                           size, bufsize,
2717                                                         &state->setup, state->setup_count,
2718                                                         &state->param, state->total_param,
2719                                                         &state->data, state->total_data,
2720                                                           state->max_data_return);
2721                         END_PROFILE_NESTED(NT_transact_create);
2722                         break;
2723                 }
2724
2725                 case NT_TRANSACT_IOCTL:
2726                 {
2727                         START_PROFILE_NESTED(NT_transact_ioctl);
2728                         outsize = call_nt_transact_ioctl(conn, inbuf, outbuf,
2729                                                          size, bufsize,
2730                                                          &state->setup, state->setup_count,
2731                                                          &state->param, state->total_param,
2732                                                          &state->data, state->total_data, state->max_data_return);
2733                         END_PROFILE_NESTED(NT_transact_ioctl);
2734                         break;
2735                 }
2736
2737                 case NT_TRANSACT_SET_SECURITY_DESC:
2738                 {
2739                         START_PROFILE_NESTED(NT_transact_set_security_desc);
2740                         outsize = call_nt_transact_set_security_desc(conn, inbuf, outbuf,
2741                                                          size, bufsize,
2742                                                          &state->setup, state->setup_count,
2743                                                          &state->param, state->total_param,
2744                                                          &state->data, state->total_data, state->max_data_return);
2745                         END_PROFILE_NESTED(NT_transact_set_security_desc);
2746                         break;
2747                 }
2748
2749                 case NT_TRANSACT_NOTIFY_CHANGE:
2750                 {
2751                         START_PROFILE_NESTED(NT_transact_notify_change);
2752                         outsize = call_nt_transact_notify_change(
2753                                 conn, inbuf, outbuf, size, bufsize,
2754                                 &state->setup, state->setup_count,
2755                                 &state->param, state->total_param,
2756                                 &state->data, state->total_data,
2757                                 state->max_data_return,
2758                                 state->max_param_return);
2759                         END_PROFILE_NESTED(NT_transact_notify_change);
2760                         break;
2761                 }
2762
2763                 case NT_TRANSACT_RENAME:
2764                 {
2765                         START_PROFILE_NESTED(NT_transact_rename);
2766                         outsize = call_nt_transact_rename(conn, inbuf, outbuf,
2767                                                          size, bufsize,
2768                                                          &state->setup, state->setup_count,
2769                                                          &state->param, state->total_param,
2770                                                          &state->data, state->total_data, state->max_data_return);
2771                         END_PROFILE_NESTED(NT_transact_rename);
2772                         break;
2773                 }
2774
2775                 case NT_TRANSACT_QUERY_SECURITY_DESC:
2776                 {
2777                         START_PROFILE_NESTED(NT_transact_query_security_desc);
2778                         outsize = call_nt_transact_query_security_desc(conn, inbuf, outbuf,
2779                                                          size, bufsize,
2780                                                          &state->setup, state->setup_count,
2781                                                          &state->param, state->total_param,
2782                                                          &state->data, state->total_data, state->max_data_return);
2783                         END_PROFILE_NESTED(NT_transact_query_security_desc);
2784                         break;
2785                 }
2786
2787 #ifdef HAVE_SYS_QUOTAS
2788                 case NT_TRANSACT_GET_USER_QUOTA:
2789                 {
2790                         START_PROFILE_NESTED(NT_transact_get_user_quota);
2791                         outsize = call_nt_transact_get_user_quota(conn, inbuf, outbuf,
2792                                                          size, bufsize,
2793                                                          &state->setup, state->setup_count,
2794                                                          &state->param, state->total_param,
2795                                                          &state->data, state->total_data, state->max_data_return);
2796                         END_PROFILE_NESTED(NT_transact_get_user_quota);
2797                         break;
2798                 }
2799
2800                 case NT_TRANSACT_SET_USER_QUOTA:
2801                 {
2802                         START_PROFILE_NESTED(NT_transact_set_user_quota);
2803                         outsize = call_nt_transact_set_user_quota(conn, inbuf, outbuf,
2804                                                          size, bufsize,
2805                                                          &state->setup, state->setup_count,
2806                                                          &state->param, state->total_param,
2807                                                          &state->data, state->total_data, state->max_data_return);
2808                         END_PROFILE_NESTED(NT_transact_set_user_quota);
2809                         break;
2810                 }
2811 #endif /* HAVE_SYS_QUOTAS */
2812
2813                 default:
2814                         /* Error in request */
2815                         DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n",
2816                                  state->call));
2817                         return ERROR_DOS(ERRSRV,ERRerror);
2818         }
2819         return outsize;
2820 }
2821
2822 /****************************************************************************
2823  Reply to a SMBNTtrans.
2824 ****************************************************************************/
2825
2826 int reply_nttrans(connection_struct *conn,
2827                         char *inbuf,char *outbuf,int size,int bufsize)
2828 {
2829         int  outsize = 0;
2830         uint32 pscnt = IVAL(inbuf,smb_nt_ParameterCount);
2831         uint32 psoff = IVAL(inbuf,smb_nt_ParameterOffset);
2832         uint32 dscnt = IVAL(inbuf,smb_nt_DataCount);
2833         uint32 dsoff = IVAL(inbuf,smb_nt_DataOffset);
2834
2835         uint16 function_code = SVAL( inbuf, smb_nt_Function);
2836         NTSTATUS result;
2837         struct trans_state *state;
2838
2839         START_PROFILE(SMBnttrans);
2840
2841         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2842                 END_PROFILE(SMBnttrans);
2843                 return ERROR_DOS(ERRSRV,ERRaccess);
2844         }
2845
2846         result = allow_new_trans(conn->pending_trans, SVAL(inbuf, smb_mid));
2847         if (!NT_STATUS_IS_OK(result)) {
2848                 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2849                 END_PROFILE(SMBnttrans);
2850                 return ERROR_NT(result);
2851         }
2852
2853         if ((state = TALLOC_P(conn->mem_ctx, struct trans_state)) == NULL) {
2854                 END_PROFILE(SMBnttrans);
2855                 return ERROR_DOS(ERRSRV,ERRaccess);
2856         }
2857
2858         state->cmd = SMBnttrans;
2859
2860         state->mid = SVAL(inbuf,smb_mid);
2861         state->vuid = SVAL(inbuf,smb_uid);
2862         state->total_data = IVAL(inbuf, smb_nt_TotalDataCount);
2863         state->data = NULL;
2864         state->total_param = IVAL(inbuf, smb_nt_TotalParameterCount);
2865         state->param = NULL;
2866         state->max_data_return = IVAL(inbuf,smb_nt_MaxDataCount);
2867         state->max_param_return = IVAL(inbuf,smb_nt_MaxParameterCount);
2868
2869         /* setup count is in *words* */
2870         state->setup_count = 2*CVAL(inbuf,smb_nt_SetupCount);
2871         state->setup = NULL;
2872         state->call = function_code;
2873
2874         /*
2875          * All nttrans messages we handle have smb_wct == 19 +
2876          * state->setup_count.  Ensure this is so as a sanity check.
2877          */
2878
2879         if(CVAL(inbuf, smb_wct) != 19 + (state->setup_count/2)) {
2880                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2881                         CVAL(inbuf, smb_wct), 19 + (state->setup_count/2)));
2882                 goto bad_param;
2883         }
2884
2885         /* Don't allow more than 128mb for each value. */
2886         if ((state->total_data > (1024*1024*128)) ||
2887             (state->total_param > (1024*1024*128))) {
2888                 END_PROFILE(SMBnttrans);
2889                 return ERROR_DOS(ERRDOS,ERRnomem);
2890         }
2891
2892         if ((dscnt > state->total_data) || (pscnt > state->total_param))
2893                 goto bad_param;
2894
2895         if (state->total_data)  {
2896                 /* Can't use talloc here, the core routines do realloc on the
2897                  * params and data. */
2898                 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2899                         DEBUG(0,("reply_nttrans: data malloc fail for %u "
2900                                  "bytes !\n", (unsigned int)state->total_data));
2901                         TALLOC_FREE(state);
2902                         END_PROFILE(SMBnttrans);
2903                         return(ERROR_DOS(ERRDOS,ERRnomem));
2904                 }
2905                 if ((dsoff+dscnt < dsoff) || (dsoff+dscnt < dscnt))
2906                         goto bad_param;
2907                 if ((smb_base(inbuf)+dsoff+dscnt > inbuf + size) ||
2908                     (smb_base(inbuf)+dsoff+dscnt < smb_base(inbuf)))
2909                         goto bad_param;
2910
2911                 memcpy(state->data,smb_base(inbuf)+dsoff,dscnt);
2912         }
2913
2914         if (state->total_param) {
2915                 /* Can't use talloc here, the core routines do realloc on the
2916                  * params and data. */
2917                 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2918                         DEBUG(0,("reply_nttrans: param malloc fail for %u "
2919                                  "bytes !\n", (unsigned int)state->total_param));
2920                         SAFE_FREE(state->data);
2921                         TALLOC_FREE(state);
2922                         END_PROFILE(SMBnttrans);
2923                         return(ERROR_DOS(ERRDOS,ERRnomem));
2924                 }
2925                 if ((psoff+pscnt < psoff) || (psoff+pscnt < pscnt))
2926                         goto bad_param;
2927                 if ((smb_base(inbuf)+psoff+pscnt > inbuf + size) ||
2928                     (smb_base(inbuf)+psoff+pscnt < smb_base(inbuf)))
2929                         goto bad_param;
2930
2931                 memcpy(state->param,smb_base(inbuf)+psoff,pscnt);
2932         }
2933
2934         state->received_data  = dscnt;
2935         state->received_param = pscnt;
2936
2937         if(state->setup_count > 0) {
2938                 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2939                           state->setup_count));
2940                 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2941                 if (state->setup == NULL) {
2942                         DEBUG(0,("reply_nttrans : Out of memory\n"));
2943                         SAFE_FREE(state->data);
2944                         SAFE_FREE(state->param);
2945                         TALLOC_FREE(state);
2946                         END_PROFILE(SMBnttrans);
2947                         return ERROR_DOS(ERRDOS,ERRnomem);
2948                 }
2949
2950                 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
2951                     (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
2952                         goto bad_param;
2953                 }
2954                 if (smb_nt_SetupStart + state->setup_count > size) {
2955                         goto bad_param;
2956                 }
2957
2958                 memcpy( state->setup, &inbuf[smb_nt_SetupStart], state->setup_count);
2959                 dump_data(10, (char *)state->setup, state->setup_count);
2960         }
2961
2962         if ((state->received_data == state->total_data) &&
2963             (state->received_param == state->total_param)) {
2964                 outsize = handle_nttrans(conn, state, inbuf, outbuf,
2965                                          size, bufsize);
2966                 SAFE_FREE(state->param);
2967                 SAFE_FREE(state->data);
2968                 TALLOC_FREE(state);
2969                 END_PROFILE(SMBnttrans);
2970                 return outsize;
2971         }
2972
2973         DLIST_ADD(conn->pending_trans, state);
2974
2975         /* We need to send an interim response then receive the rest
2976            of the parameter/data bytes */
2977         outsize = set_message(outbuf,0,0,False);
2978         show_msg(outbuf);
2979         END_PROFILE(SMBnttrans);
2980         return outsize;
2981
2982   bad_param:
2983
2984         DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2985         SAFE_FREE(state->data);
2986         SAFE_FREE(state->param);
2987         TALLOC_FREE(state);
2988         END_PROFILE(SMBnttrans);
2989         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2990 }
2991
2992 /****************************************************************************
2993  Reply to a SMBnttranss
2994  ****************************************************************************/
2995
2996 int reply_nttranss(connection_struct *conn,  char *inbuf,char *outbuf,
2997                    int size,int bufsize)
2998 {
2999         int outsize = 0;
3000         unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
3001         struct trans_state *state;
3002
3003         START_PROFILE(SMBnttranss);
3004
3005         show_msg(inbuf);
3006
3007         for (state = conn->pending_trans; state != NULL;
3008              state = state->next) {
3009                 if (state->mid == SVAL(inbuf,smb_mid)) {
3010                         break;
3011                 }
3012         }
3013
3014         if ((state == NULL) || (state->cmd != SMBnttrans)) {
3015                 END_PROFILE(SMBnttranss);
3016                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3017         }
3018
3019         /* Revise state->total_param and state->total_data in case they have
3020            changed downwards */
3021         if (IVAL(inbuf, smb_nts_TotalParameterCount) < state->total_param) {
3022                 state->total_param = IVAL(inbuf, smb_nts_TotalParameterCount);
3023         }
3024         if (IVAL(inbuf, smb_nts_TotalDataCount) < state->total_data) {
3025                 state->total_data = IVAL(inbuf, smb_nts_TotalDataCount);
3026         }
3027
3028         pcnt = IVAL(inbuf,smb_nts_ParameterCount);
3029         poff = IVAL(inbuf, smb_nts_ParameterOffset);
3030         pdisp = IVAL(inbuf, smb_nts_ParameterDisplacement);
3031
3032         dcnt = IVAL(inbuf, smb_nts_DataCount);
3033         ddisp = IVAL(inbuf, smb_nts_DataDisplacement);
3034         doff = IVAL(inbuf, smb_nts_DataOffset);
3035
3036         state->received_param += pcnt;
3037         state->received_data += dcnt;
3038
3039         if ((state->received_data > state->total_data) ||
3040             (state->received_param > state->total_param))
3041                 goto bad_param;
3042
3043         if (pcnt) {
3044                 if (pdisp+pcnt > state->total_param)
3045                         goto bad_param;
3046                 if ((pdisp+pcnt < pdisp) || (pdisp+pcnt < pcnt))
3047                         goto bad_param;
3048                 if (pdisp > state->total_param)
3049                         goto bad_param;
3050                 if ((smb_base(inbuf) + poff + pcnt > inbuf + size) ||
3051                     (smb_base(inbuf) + poff + pcnt < smb_base(inbuf)))
3052                         goto bad_param;
3053                 if (state->param + pdisp < state->param)
3054                         goto bad_param;
3055
3056                 memcpy(state->param+pdisp,smb_base(inbuf)+poff,
3057                        pcnt);
3058         }
3059
3060         if (dcnt) {
3061                 if (ddisp+dcnt > state->total_data)
3062                         goto bad_param;
3063                 if ((ddisp+dcnt < ddisp) || (ddisp+dcnt < dcnt))
3064                         goto bad_param;
3065                 if (ddisp > state->total_data)
3066                         goto bad_param;
3067                 if ((smb_base(inbuf) + doff + dcnt > inbuf + size) ||
3068                     (smb_base(inbuf) + doff + dcnt < smb_base(inbuf)))
3069                         goto bad_param;
3070                 if (state->data + ddisp < state->data)
3071                         goto bad_param;
3072
3073                 memcpy(state->data+ddisp, smb_base(inbuf)+doff,
3074                        dcnt);
3075         }
3076
3077         if ((state->received_param < state->total_param) ||
3078             (state->received_data < state->total_data)) {
3079                 END_PROFILE(SMBnttranss);
3080                 return -1;
3081         }
3082
3083         /* construct_reply_common has done us the favor to pre-fill the
3084          * command field with SMBnttranss which is wrong :-)
3085          */
3086         SCVAL(outbuf,smb_com,SMBnttrans);
3087
3088         outsize = handle_nttrans(conn, state, inbuf, outbuf,
3089                                  size, bufsize);
3090
3091         DLIST_REMOVE(conn->pending_trans, state);
3092         SAFE_FREE(state->data);
3093         SAFE_FREE(state->param);
3094         TALLOC_FREE(state);
3095
3096         if (outsize == 0) {
3097                 END_PROFILE(SMBnttranss);
3098                 return(ERROR_DOS(ERRSRV,ERRnosupport));
3099         }
3100
3101         END_PROFILE(SMBnttranss);
3102         return(outsize);
3103
3104   bad_param:
3105
3106         DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3107         DLIST_REMOVE(conn->pending_trans, state);
3108         SAFE_FREE(state->data);
3109         SAFE_FREE(state->param);
3110         TALLOC_FREE(state);
3111         END_PROFILE(SMBnttranss);
3112         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3113 }