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         BOOL bad_path = False;
 470         files_struct *fsp=NULL;
 471         char *p = NULL;
 472         struct timespec c_timespec;
 473         struct timespec a_timespec;
 474         struct timespec m_timespec;
 475         BOOL extended_oplock_granted = False;
 476         NTSTATUS status;
 477
 478         START_PROFILE(SMBntcreateX);
 479
 480         DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
 481                   "file_attributes = 0x%x, share_access = 0x%x, "
 482                   "create_disposition = 0x%x create_options = 0x%x "
 483                   "root_dir_fid = 0x%x\n",
 484                         (unsigned int)flags,
 485                         (unsigned int)access_mask,
 486                         (unsigned int)file_attributes,
 487                         (unsigned int)share_access,
 488                         (unsigned int)create_disposition,
 489                         (unsigned int)create_options,
 490                         (unsigned int)root_dir_fid ));
 491
 492         /* If it's an IPC, use the pipe handler. */
 493
 494         if (IS_IPC(conn)) {
 495                 if (lp_nt_pipe_support()) {
 496                         END_PROFILE(SMBntcreateX);
 497                         return do_ntcreate_pipe_open(conn,inbuf,outbuf,length,bufsize);
 498                 } else {
 499                         END_PROFILE(SMBntcreateX);
 500                         return(ERROR_DOS(ERRDOS,ERRnoaccess));
 501                 }
 502         }
 503
 504         if (create_options & FILE_OPEN_BY_FILE_ID) {
 505                 END_PROFILE(SMBntcreateX);
 506                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
 507         }
 508
 509         /*
 510          * Get the file name.
 511          */
 512
 513         if(root_dir_fid != 0) {
 514                 /*
 515                  * This filename is relative to a directory fid.
 516                  */
 517                 pstring rel_fname;
 518                 files_struct *dir_fsp = file_fsp(inbuf,smb_ntcreate_RootDirectoryFid);
 519                 size_t dir_name_len;
 520
 521                 if(!dir_fsp) {
 522                         END_PROFILE(SMBntcreateX);
 523                         return(ERROR_DOS(ERRDOS,ERRbadfid));
 524                 }
 525
 526                 if(!dir_fsp->is_directory) {
 527
 528                         srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status);
 529                         if (!NT_STATUS_IS_OK(status)) {
 530                                 END_PROFILE(SMBntcreateX);
 531                                 return ERROR_NT(status);
 532                         }
 533
 534                         /*
 535                          * Check to see if this is a mac fork of some kind.
 536                          */
 537
 538                         if( is_ntfs_stream_name(fname)) {
 539                                 END_PROFILE(SMBntcreateX);
 540                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 541                         }
 542
 543                         /*
 544                           we need to handle the case when we get a
 545                           relative open relative to a file and the
 546                           pathname is blank - this is a reopen!
 547                           (hint from demyn plantenberg)
 548                         */
 549
 550                         END_PROFILE(SMBntcreateX);
 551                         return(ERROR_DOS(ERRDOS,ERRbadfid));
 552                 }
 553
 554                 /*
 555                  * Copy in the base directory name.
 556                  */
 557
 558                 pstrcpy( fname, dir_fsp->fsp_name );
 559                 dir_name_len = strlen(fname);
 560
 561                 /*
 562                  * Ensure it ends in a '\'.
 563                  */
 564
 565                 if(fname[dir_name_len-1] != '\\' && fname[dir_name_len-1] != '/') {
 566                         pstrcat(fname, "/");
 567                         dir_name_len++;
 568                 }
 569
 570                 srvstr_get_path(inbuf, rel_fname, smb_buf(inbuf), sizeof(rel_fname), 0, STR_TERMINATE, &status);
 571                 if (!NT_STATUS_IS_OK(status)) {
 572                         END_PROFILE(SMBntcreateX);
 573                         return ERROR_NT(status);
 574                 }
 575                 pstrcat(fname, rel_fname);
 576         } else {
 577                 srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status);
 578                 if (!NT_STATUS_IS_OK(status)) {
 579                         END_PROFILE(SMBntcreateX);
 580                         return ERROR_NT(status);
 581                 }
 582
 583                 /*
 584                  * Check to see if this is a mac fork of some kind.
 585                  */
 586
 587                 if( is_ntfs_stream_name(fname)) {
 588                         enum FAKE_FILE_TYPE fake_file_type = is_fake_file(fname);
 589                         if (fake_file_type!=FAKE_FILE_TYPE_NONE) {
 590                                 /*
 591                                  * Here we go! support for changing the disk quotas --metze
 592                                  *
 593                                  * We need to fake up to open this MAGIC QUOTA file
 594                                  * and return a valid FID.
 595                                  *
 596                                  * w2k close this file directly after openening
 597                                  * xp also tries a QUERY_FILE_INFO on the file and then close it
 598                                  */
 599                                 result = reply_ntcreate_and_X_quota(conn, inbuf, outbuf, length, bufsize,
 600                                                                 fake_file_type, fname);
 601                                 END_PROFILE(SMBntcreateX);
 602                                 return result;
 603                         } else {
 604                                 END_PROFILE(SMBntcreateX);
 605                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 606                         }
 607                 }
 608         }
 609
 610         /*
 611          * Now contruct the smb_open_mode value from the filename,
 612          * desired access and the share access.
 613          */
 614         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
 615
 616         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 617         if (oplock_request) {
 618                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
 619         }
 620
 621         /*
 622          * Ordinary file or directory.
 623          */
 624
 625         /*
 626          * Check if POSIX semantics are wanted.
 627          */
 628
 629         set_posix_case_semantics(conn, file_attributes);
 630
 631         unix_convert(fname,conn,0,&bad_path,&sbuf);
 632
 633         if (bad_path) {
 634                 restore_case_semantics(conn, file_attributes);
 635                 END_PROFILE(SMBntcreateX);
 636                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 637         }
 638         /* All file access must go through check_name() */
 639         if (!check_name(fname,conn)) {
 640                 restore_case_semantics(conn, file_attributes);
 641                 END_PROFILE(SMBntcreateX);
 642                 return UNIXERROR(ERRDOS, ERRbadpath);
 643         }
 644
 645 #if 0
 646         /* This is the correct thing to do (check every time) but can_delete is
 647            expensive (it may have to read the parent directory permissions). So
 648            for now we're not doing it unless we have a strong hint the client
 649            is really going to delete this file. */
 650         if ((desired_access & DELETE_ACCESS)
 651             && !can_delete_file_in_directory(conn, fname)) {
 652 #else
 653         /* Setting FILE_SHARE_DELETE is the hint. */
 654         if (lp_acl_check_permissions(SNUM(conn))
 655             && (share_access & FILE_SHARE_DELETE)
 656             && (access_mask & DELETE_ACCESS)
 657             && !can_delete_file_in_directory(conn, fname)) {
 658 #endif
 659                 restore_case_semantics(conn, file_attributes);
 660                 END_PROFILE(SMBntcreateX);
 661                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
 662         }
 663
 664         /*
 665          * If it's a request for a directory open, deal with it separately.
 666          */
 667
 668         if(create_options & FILE_DIRECTORY_FILE) {
 669                 oplock_request = 0;
 670
 671                 /* Can't open a temp directory. IFS kit test. */
 672                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
 673                         END_PROFILE(SMBntcreateX);
 674                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
 675                 }
 676
 677                 status = open_directory(conn, fname, &sbuf,
 678                                         access_mask,
 679                                         share_access,
 680                                         create_disposition,
 681                                         create_options,
 682                                         &info, &fsp);
 683
 684                 restore_case_semantics(conn, file_attributes);
 685
 686                 if(!NT_STATUS_IS_OK(status)) {
 687                         if (!use_nt_status() && NT_STATUS_EQUAL(
 688                                     status, NT_STATUS_OBJECT_NAME_COLLISION)) {
 689                                 status = NT_STATUS_DOS(ERRDOS, ERRfilexists);
 690                         }
 691                         END_PROFILE(SMBntcreateX);
 692                         return ERROR_NT(status);
 693                 }
 694         } else {
 695                 /*
 696                  * Ordinary file case.
 697                  */
 698
 699                 /* NB. We have a potential bug here. If we
 700                  * cause an oplock break to ourselves, then we
 701                  * could end up processing filename related
 702                  * SMB requests whilst we await the oplock
 703                  * break response. As we may have changed the
 704                  * filename case semantics to be POSIX-like,
 705                  * this could mean a filename request could
 706                  * fail when it should succeed. This is a rare
 707                  * condition, but eventually we must arrange
 708                  * to restore the correct case semantics
 709                  * before issuing an oplock break request to
 710                  * our client. JRA.  */
 711
 712                 status = open_file_ntcreate(conn,fname,&sbuf,
 713                                         access_mask,
 714                                         share_access,
 715                                         create_disposition,
 716                                         create_options,
 717                                         file_attributes,
 718                                         oplock_request,
 719                                         &info, &fsp);
 720                 if (!NT_STATUS_IS_OK(status)) {
 721                         /* We cheat here. There are two cases we
 722                          * care about. One is a directory rename,
 723                          * where the NT client will attempt to
 724                          * open the source directory for
 725                          * DELETE access. Note that when the
 726                          * NT client does this it does *not*
 727                          * set the directory bit in the
 728                          * request packet. This is translated
 729                          * into a read/write open
 730                          * request. POSIX states that any open
 731                          * for write request on a directory
 732                          * will generate an EISDIR error, so
 733                          * we can catch this here and open a
 734                          * pseudo handle that is flagged as a
 735                          * directory. The second is an open
 736                          * for a permissions read only, which
 737                          * we handle in the open_file_stat case. JRA.
 738                          */
 739
 740                         if (NT_STATUS_EQUAL(status,
 741                                             NT_STATUS_FILE_IS_A_DIRECTORY)) {
 742
 743                                 /*
 744                                  * Fail the open if it was explicitly a non-directory file.
 745                                  */
 746
 747                                 if (create_options & FILE_NON_DIRECTORY_FILE) {
 748                                         restore_case_semantics(conn, file_attributes);
 749                                         END_PROFILE(SMBntcreateX);
 750                                         return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
 751                                 }
 752
 753                                 oplock_request = 0;
 754                                 status = open_directory(conn, fname, &sbuf,
 755                                                         access_mask,
 756                                                         share_access,
 757                                                         create_disposition,
 758                                                         create_options,
 759                                                         &info, &fsp);
 760
 761                                 if(!NT_STATUS_IS_OK(status)) {
 762                                         restore_case_semantics(conn, file_attributes);
 763                                         if (!use_nt_status() && NT_STATUS_EQUAL(
 764                                                     status, NT_STATUS_OBJECT_NAME_COLLISION)) {
 765                                                 status = NT_STATUS_DOS(ERRDOS, ERRfilexists);
 766                                         }
 767                                         END_PROFILE(SMBntcreateX);
 768                                         return ERROR_NT(status);
 769                                 }
 770                         } else {
 771
 772                                 restore_case_semantics(conn, file_attributes);
 773                                 END_PROFILE(SMBntcreateX);
 774                                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
 775                                         /* We have re-scheduled this call. */
 776                                         return -1;
 777                                 }
 778                                 return ERROR_NT(status);
 779                         }
 780                 }
 781         }
 782
 783         restore_case_semantics(conn, file_attributes);
 784
 785         file_len = sbuf.st_size;
 786         fattr = dos_mode(conn,fname,&sbuf);
 787         if(fattr == 0) {
 788                 fattr = FILE_ATTRIBUTE_NORMAL;
 789         }
 790         if (!fsp->is_directory && (fattr & aDIR)) {
 791                 close_file(fsp,ERROR_CLOSE);
 792                 END_PROFILE(SMBntcreateX);
 793                 return ERROR_DOS(ERRDOS,ERRnoaccess);
 794         }
 795
 796         /* Save the requested allocation size. */
 797         if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
 798                 SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize);
 799 #ifdef LARGE_SMB_OFF_T
 800                 allocation_size |= (((SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
 801 #endif
 802                 if (allocation_size && (allocation_size > (SMB_BIG_UINT)file_len)) {
 803                         fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
 804                         if (fsp->is_directory) {
 805                                 close_file(fsp,ERROR_CLOSE);
 806                                 END_PROFILE(SMBntcreateX);
 807                                 /* Can't set allocation size on a directory. */
 808                                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
 809                         }
 810                         if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
 811                                 close_file(fsp,ERROR_CLOSE);
 812                                 END_PROFILE(SMBntcreateX);
 813                                 return ERROR_NT(NT_STATUS_DISK_FULL);
 814                         }
 815                 } else {
 816                         fsp->initial_allocation_size = smb_roundup(fsp->conn,(SMB_BIG_UINT)file_len);
 817                 }
 818         }
 819
 820         /*
 821          * If the caller set the extended oplock request bit
 822          * and we granted one (by whatever means) - set the
 823          * correct bit for extended oplock reply.
 824          */
 825
 826         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
 827                 extended_oplock_granted = True;
 828         }
 829
 830         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
 831                 extended_oplock_granted = True;
 832         }
 833
 834 #if 0
 835         /* W2K sends back 42 words here ! If we do the same it breaks offline sync. Go figure... ? JRA. */
 836         set_message(outbuf,42,0,True);
 837 #else
 838         set_message(outbuf,34,0,True);
 839 #endif
 840
 841         p = outbuf + smb_vwv2;
 842
 843         /*
 844          * Currently as we don't support level II oplocks we just report
 845          * exclusive & batch here.
 846          */
 847
 848         if (extended_oplock_granted) {
 849                 if (flags & REQUEST_BATCH_OPLOCK) {
 850                         SCVAL(p,0, BATCH_OPLOCK_RETURN);
 851                 } else {
 852                         SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
 853                 }
 854         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
 855                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
 856         } else {
 857                 SCVAL(p,0,NO_OPLOCK_RETURN);
 858         }
 859
 860         p++;
 861         SSVAL(p,0,fsp->fnum);
 862         p += 2;
 863         if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
 864                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
 865         } else {
 866                 SIVAL(p,0,info);
 867         }
 868         p += 4;
 869
 870         /* Create time. */
 871         c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
 872         a_timespec = get_atimespec(&sbuf);
 873         m_timespec = get_mtimespec(&sbuf);
 874
 875         if (lp_dos_filetime_resolution(SNUM(conn))) {
 876                 dos_filetime_timespec(&c_timespec);
 877                 dos_filetime_timespec(&a_timespec);
 878                 dos_filetime_timespec(&m_timespec);
 879         }
 880
 881         put_long_date_timespec(p, c_timespec);
 882         p += 8;
 883         put_long_date_timespec(p, a_timespec); /* access time */
 884         p += 8;
 885         put_long_date_timespec(p, m_timespec); /* write time */
 886         p += 8;
 887         put_long_date_timespec(p, m_timespec); /* change time */
 888         p += 8;
 889         SIVAL(p,0,fattr); /* File Attributes. */
 890         p += 4;
 891         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
 892         p += 8;
 893         SOFF_T(p,0,file_len);
 894         p += 8;
 895         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 896                 SSVAL(p,2,0x7);
 897         }
 898         p += 4;
 899         SCVAL(p,0,fsp->is_directory ? 1 : 0);
 900
 901         DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
 902
 903         result = chain_reply(inbuf,outbuf,length,bufsize);
 904         END_PROFILE(SMBntcreateX);
 905         return result;
 906 }
 907
 908 /****************************************************************************
 909  Reply to a NT_TRANSACT_CREATE call to open a pipe.
 910 ****************************************************************************/
 911
 912 static int do_nt_transact_create_pipe( connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
 913                                   uint16 **ppsetup, uint32 setup_count,
 914                                   char **ppparams, uint32 parameter_count,
 915                                   char **ppdata, uint32 data_count)
 916 {
 917         pstring fname;
 918         char *params = *ppparams;
 919         int ret;
 920         int pnum = -1;
 921         char *p = NULL;
 922         NTSTATUS status;
 923
 924         /*
 925          * Ensure minimum number of parameters sent.
 926          */
 927
 928         if(parameter_count < 54) {
 929                 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
 930                 return ERROR_DOS(ERRDOS,ERRnoaccess);
 931         }
 932
 933         srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
 934         if (!NT_STATUS_IS_OK(status)) {
 935                 return ERROR_NT(status);
 936         }
 937
 938         if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0) {
 939                 return ret;
 940         }
 941
 942         /* Realloc the size of parameters and data we will return */
 943         params = nttrans_realloc(ppparams, 69);
 944         if(params == NULL) {
 945                 return ERROR_DOS(ERRDOS,ERRnomem);
 946         }
 947
 948         p = params;
 949         SCVAL(p,0,NO_OPLOCK_RETURN);
 950
 951         p += 2;
 952         SSVAL(p,0,pnum);
 953         p += 2;
 954         SIVAL(p,0,FILE_WAS_OPENED);
 955         p += 8;
 956
 957         p += 32;
 958         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 959         p += 20;
 960         /* File type. */
 961         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 962         /* Device state. */
 963         SSVAL(p,2, 0x5FF); /* ? */
 964
 965         DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
 966
 967         /* Send the required number of replies */
 968         send_nt_replies(outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
 969
 970         return -1;
 971 }
 972
 973 /****************************************************************************
 974  Internal fn to set security descriptors.
 975 ****************************************************************************/
 976
 977 static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent)
 978 {
 979         prs_struct pd;
 980         SEC_DESC *psd = NULL;
 981         TALLOC_CTX *mem_ctx;
 982         BOOL ret;
 983
 984         if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
 985                 return NT_STATUS_OK;
 986         }
 987
 988         /*
 989          * Init the parse struct we will unmarshall from.
 990          */
 991
 992         if ((mem_ctx = talloc_init("set_sd")) == NULL) {
 993                 DEBUG(0,("set_sd: talloc_init failed.\n"));
 994                 return NT_STATUS_NO_MEMORY;
 995         }
 996
 997         prs_init(&pd, 0, mem_ctx, UNMARSHALL);
 998
 999         /*
1000          * Setup the prs_struct to point at the memory we just
1001          * allocated.
1002          */
1003
1004         prs_give_memory( &pd, data, sd_len, False);
1005
1006         /*
1007          * Finally, unmarshall from the data buffer.
1008          */
1009
1010         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1011                 DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
1012                 /*
1013                  * Return access denied for want of a better error message..
1014                  */
1015                 talloc_destroy(mem_ctx);
1016                 return NT_STATUS_NO_MEMORY;
1017         }
1018
1019         if (psd->owner_sid==0) {
1020                 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
1021         }
1022         if (psd->group_sid==0) {
1023                 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
1024         }
1025         if (psd->sacl==0) {
1026                 security_info_sent &= ~SACL_SECURITY_INFORMATION;
1027         }
1028         if (psd->dacl==0) {
1029                 security_info_sent &= ~DACL_SECURITY_INFORMATION;
1030         }
1031
1032         ret = SMB_VFS_FSET_NT_ACL( fsp, fsp->fh->fd, security_info_sent, psd);
1033
1034         if (!ret) {
1035                 talloc_destroy(mem_ctx);
1036                 return NT_STATUS_ACCESS_DENIED;
1037         }
1038
1039         talloc_destroy(mem_ctx);
1040
1041         return NT_STATUS_OK;
1042 }
1043
1044 /****************************************************************************
1045  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
1046 ****************************************************************************/
1047
1048 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
1049 {
1050         struct ea_list *ea_list_head = NULL;
1051         size_t offset = 0;
1052
1053         if (data_size < 4) {
1054                 return NULL;
1055         }
1056
1057         while (offset + 4 <= data_size) {
1058                 size_t next_offset = IVAL(pdata,offset);
1059                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
1060
1061                 if (!eal) {
1062                         return NULL;
1063                 }
1064
1065                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
1066                 if (next_offset == 0) {
1067                         break;
1068                 }
1069                 offset += next_offset;
1070         }
1071
1072         return ea_list_head;
1073 }
1074
1075 /****************************************************************************
1076  Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1077 ****************************************************************************/
1078
1079 static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1080                                   uint16 **ppsetup, uint32 setup_count,
1081                                   char **ppparams, uint32 parameter_count,
1082                                   char **ppdata, uint32 data_count, uint32 max_data_count)
1083 {
1084         pstring fname;
1085         char *params = *ppparams;
1086         char *data = *ppdata;
1087         /* Breakout the oplock request bits so we can set the reply bits separately. */
1088         int oplock_request = 0;
1089         uint32 fattr=0;
1090         SMB_OFF_T file_len = 0;
1091         SMB_STRUCT_STAT sbuf;
1092         int info = 0;
1093         BOOL bad_path = False;
1094         files_struct *fsp = NULL;
1095         char *p = NULL;
1096         BOOL extended_oplock_granted = False;
1097         uint32 flags;
1098         uint32 access_mask;
1099         uint32 file_attributes;
1100         uint32 share_access;
1101         uint32 create_disposition;
1102         uint32 create_options;
1103         uint32 sd_len;
1104         uint32 ea_len;
1105         uint16 root_dir_fid;
1106         struct timespec c_timespec;
1107         struct timespec a_timespec;
1108         struct timespec m_timespec;
1109         struct ea_list *ea_list = NULL;
1110         TALLOC_CTX *ctx = NULL;
1111         char *pdata = NULL;
1112         NTSTATUS status;
1113
1114         DEBUG(5,("call_nt_transact_create\n"));
1115
1116         /*
1117          * If it's an IPC, use the pipe handler.
1118          */
1119
1120         if (IS_IPC(conn)) {
1121                 if (lp_nt_pipe_support()) {
1122                         return do_nt_transact_create_pipe(conn, inbuf, outbuf, length,
1123                                         bufsize,
1124                                         ppsetup, setup_count,
1125                                         ppparams, parameter_count,
1126                                         ppdata, data_count);
1127                 } else {
1128                         return ERROR_DOS(ERRDOS,ERRnoaccess);
1129                 }
1130         }
1131
1132         /*
1133          * Ensure minimum number of parameters sent.
1134          */
1135
1136         if(parameter_count < 54) {
1137                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1138                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1139         }
1140
1141         flags = IVAL(params,0);
1142         access_mask = IVAL(params,8);
1143         file_attributes = IVAL(params,20);
1144         share_access = IVAL(params,24);
1145         create_disposition = IVAL(params,28);
1146         create_options = IVAL(params,32);
1147         sd_len = IVAL(params,36);
1148         ea_len = IVAL(params,40);
1149         root_dir_fid = (uint16)IVAL(params,4);
1150
1151         /* Ensure the data_len is correct for the sd and ea values given. */
1152         if ((ea_len + sd_len > data_count) ||
1153                         (ea_len > data_count) || (sd_len > data_count) ||
1154                         (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1155                 DEBUG(10,("call_nt_transact_create - ea_len = %u, sd_len = %u, data_count = %u\n",
1156                         (unsigned int)ea_len, (unsigned int)sd_len, (unsigned int)data_count ));
1157                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1158         }
1159
1160         if (ea_len) {
1161                 if (!lp_ea_support(SNUM(conn))) {
1162                         DEBUG(10,("call_nt_transact_create - ea_len = %u but EA's not supported.\n",
1163                                 (unsigned int)ea_len ));
1164                         return ERROR_NT(NT_STATUS_EAS_NOT_SUPPORTED);
1165                 }
1166
1167                 if (ea_len < 10) {
1168                         DEBUG(10,("call_nt_transact_create - ea_len = %u - too small (should be more than 10)\n",
1169                                 (unsigned int)ea_len ));
1170                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1171                 }
1172         }
1173
1174         if (create_options & FILE_OPEN_BY_FILE_ID) {
1175                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1176         }
1177
1178         /*
1179          * Get the file name.
1180          */
1181
1182         if(root_dir_fid != 0) {
1183                 /*
1184                  * This filename is relative to a directory fid.
1185                  */
1186                 files_struct *dir_fsp = file_fsp(params,4);
1187                 size_t dir_name_len;
1188
1189                 if(!dir_fsp) {
1190                         return ERROR_DOS(ERRDOS,ERRbadfid);
1191                 }
1192
1193                 if(!dir_fsp->is_directory) {
1194                         srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
1195                         if (!NT_STATUS_IS_OK(status)) {
1196                                 return ERROR_NT(status);
1197                         }
1198
1199                         /*
1200                          * Check to see if this is a mac fork of some kind.
1201                          */
1202
1203                         if( is_ntfs_stream_name(fname)) {
1204                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1205                         }
1206
1207                         return ERROR_DOS(ERRDOS,ERRbadfid);
1208                 }
1209
1210                 /*
1211                  * Copy in the base directory name.
1212                  */
1213
1214                 pstrcpy( fname, dir_fsp->fsp_name );
1215                 dir_name_len = strlen(fname);
1216
1217                 /*
1218                  * Ensure it ends in a '\'.
1219                  */
1220
1221                 if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
1222                         pstrcat(fname, "/");
1223                         dir_name_len++;
1224                 }
1225
1226                 {
1227                         pstring tmpname;
1228                         srvstr_get_path(inbuf, tmpname, params+53, sizeof(tmpname), parameter_count-53, STR_TERMINATE, &status);
1229                         if (!NT_STATUS_IS_OK(status)) {
1230                                 return ERROR_NT(status);
1231                         }
1232                         pstrcat(fname, tmpname);
1233                 }
1234         } else {
1235                 srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
1236                 if (!NT_STATUS_IS_OK(status)) {
1237                         return ERROR_NT(status);
1238                 }
1239
1240                 /*
1241                  * Check to see if this is a mac fork of some kind.
1242                  */
1243
1244                 if( is_ntfs_stream_name(fname)) {
1245                         return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1246                 }
1247         }
1248
1249         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1250         oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1251
1252         /*
1253          * Check if POSIX semantics are wanted.
1254          */
1255
1256         set_posix_case_semantics(conn, file_attributes);
1257
1258         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
1259
1260         unix_convert(fname,conn,0,&bad_path,&sbuf);
1261         if (bad_path) {
1262                 restore_case_semantics(conn, file_attributes);
1263                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1264         }
1265         /* All file access must go through check_name() */
1266         if (!check_name(fname,conn)) {
1267                 restore_case_semantics(conn, file_attributes);
1268                 return UNIXERROR(ERRDOS, ERRbadpath);
1269         }
1270
1271 #if 0
1272         /* This is the correct thing to do (check every time) but can_delete is
1273            expensive (it may have to read the parent directory permissions). So
1274            for now we're not doing it unless we have a strong hint the client
1275            is really going to delete this file. */
1276         if ((desired_access & DELETE_ACCESS)
1277             && !can_delete_file_in_directory(conn, fname)) {
1278 #else
1279         /* Setting FILE_SHARE_DELETE is the hint. */
1280         if (lp_acl_check_permissions(SNUM(conn))
1281             && (share_access & FILE_SHARE_DELETE)
1282             && (access_mask & DELETE_ACCESS)
1283             && !can_delete_file_in_directory(conn, fname)) {
1284 #endif
1285                 restore_case_semantics(conn, file_attributes);
1286                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1287         }
1288
1289         if (ea_len) {
1290                 pdata = data + sd_len;
1291
1292                 /* We have already checked that ea_len <= data_count here. */
1293                 ea_list = read_nttrans_ea_list(tmp_talloc_ctx(), pdata,
1294                                                ea_len);
1295                 if (!ea_list ) {
1296                         restore_case_semantics(conn, file_attributes);
1297                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1298                 }
1299         }
1300
1301         /*
1302          * If it's a request for a directory open, deal with it separately.
1303          */
1304
1305         if(create_options & FILE_DIRECTORY_FILE) {
1306
1307                 /* Can't open a temp directory. IFS kit test. */
1308                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
1309                         restore_case_semantics(conn, file_attributes);
1310                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1311                 }
1312
1313                 oplock_request = 0;
1314
1315                 /*
1316                  * We will get a create directory here if the Win32
1317                  * app specified a security descriptor in the
1318                  * CreateDirectory() call.
1319                  */
1320
1321                 status = open_directory(conn, fname, &sbuf,
1322                                         access_mask,
1323                                         share_access,
1324                                         create_disposition,
1325                                         create_options,
1326                                         &info, &fsp);
1327                 if(!NT_STATUS_IS_OK(status)) {
1328                         restore_case_semantics(conn, file_attributes);
1329                         return ERROR_NT(status);
1330                 }
1331
1332         } else {
1333
1334                 /*
1335                  * Ordinary file case.
1336                  */
1337
1338                 status = open_file_ntcreate(conn,fname,&sbuf,
1339                                         access_mask,
1340                                         share_access,
1341                                         create_disposition,
1342                                         create_options,
1343                                         file_attributes,
1344                                         oplock_request,
1345                                         &info, &fsp);
1346
1347                 if (!NT_STATUS_IS_OK(status)) {
1348                         if (NT_STATUS_EQUAL(status,
1349                                             NT_STATUS_FILE_IS_A_DIRECTORY)) {
1350
1351                                 /*
1352                                  * Fail the open if it was explicitly a non-directory file.
1353                                  */
1354
1355                                 if (create_options & FILE_NON_DIRECTORY_FILE) {
1356                                         restore_case_semantics(conn, file_attributes);
1357                                         return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
1358                                 }
1359
1360                                 oplock_request = 0;
1361                                 status = open_directory(conn, fname, &sbuf,
1362                                                         access_mask,
1363                                                         share_access,
1364                                                         create_disposition,
1365                                                         create_options,
1366                                                         &info, &fsp);
1367                                 if(!NT_STATUS_IS_OK(status)) {
1368                                         restore_case_semantics(conn, file_attributes);
1369                                         return ERROR_NT(status);
1370                                 }
1371                         } else {
1372                                 restore_case_semantics(conn, file_attributes);
1373                                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1374                                         /* We have re-scheduled this call. */
1375                                         return -1;
1376                                 }
1377                                 return ERROR_NT(status);
1378                         }
1379                 }
1380         }
1381
1382         /*
1383          * According to the MS documentation, the only time the security
1384          * descriptor is applied to the opened file is iff we *created* the
1385          * file; an existing file stays the same.
1386          *
1387          * Also, it seems (from observation) that you can open the file with
1388          * any access mask but you can still write the sd. We need to override
1389          * the granted access before we call set_sd
1390          * Patch for bug #2242 from Tom Lackemann <cessnatomny@yahoo.com>.
1391          */
1392
1393         if (lp_nt_acl_support(SNUM(conn)) && sd_len && info == FILE_WAS_CREATED) {
1394                 uint32 saved_access_mask = fsp->access_mask;
1395
1396                 /* We have already checked that sd_len <= data_count here. */
1397
1398                 fsp->access_mask = FILE_GENERIC_ALL;
1399
1400                 status = set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION);
1401                 if (!NT_STATUS_IS_OK(status)) {
1402                         talloc_destroy(ctx);
1403                         close_file(fsp,ERROR_CLOSE);
1404                         restore_case_semantics(conn, file_attributes);
1405                         return ERROR_NT(status);
1406                 }
1407                 fsp->access_mask = saved_access_mask;
1408         }
1409
1410         if (ea_len && (info == FILE_WAS_CREATED)) {
1411                 status = set_ea(conn, fsp, fname, ea_list);
1412                 if (!NT_STATUS_IS_OK(status)) {
1413                         close_file(fsp,ERROR_CLOSE);
1414                         restore_case_semantics(conn, file_attributes);
1415                         return ERROR_NT(status);
1416                 }
1417         }
1418
1419         restore_case_semantics(conn, file_attributes);
1420
1421         file_len = sbuf.st_size;
1422         fattr = dos_mode(conn,fname,&sbuf);
1423         if(fattr == 0) {
1424                 fattr = FILE_ATTRIBUTE_NORMAL;
1425         }
1426         if (!fsp->is_directory && (fattr & aDIR)) {
1427                 close_file(fsp,ERROR_CLOSE);
1428                 return ERROR_DOS(ERRDOS,ERRnoaccess);
1429         }
1430
1431         /* Save the requested allocation size. */
1432         if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
1433                 SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(params,12);
1434 #ifdef LARGE_SMB_OFF_T
1435                 allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
1436 #endif
1437                 if (allocation_size && (allocation_size > file_len)) {
1438                         fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
1439                         if (fsp->is_directory) {
1440                                 close_file(fsp,ERROR_CLOSE);
1441                                 /* Can't set allocation size on a directory. */
1442                                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1443                         }
1444                         if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1445                                 close_file(fsp,ERROR_CLOSE);
1446                                 return ERROR_NT(NT_STATUS_DISK_FULL);
1447                         }
1448                 } else {
1449                         fsp->initial_allocation_size = smb_roundup(fsp->conn, (SMB_BIG_UINT)file_len);
1450                 }
1451         }
1452
1453         /*
1454          * If the caller set the extended oplock request bit
1455          * and we granted one (by whatever means) - set the
1456          * correct bit for extended oplock reply.
1457          */
1458
1459         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1460                 extended_oplock_granted = True;
1461         }
1462
1463         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1464                 extended_oplock_granted = True;
1465         }
1466
1467         /* Realloc the size of parameters and data we will return */
1468         params = nttrans_realloc(ppparams, 69);
1469         if(params == NULL) {
1470                 return ERROR_DOS(ERRDOS,ERRnomem);
1471         }
1472
1473         p = params;
1474         if (extended_oplock_granted) {
1475                 if (flags & REQUEST_BATCH_OPLOCK) {
1476                         SCVAL(p,0, BATCH_OPLOCK_RETURN);
1477                 } else {
1478                         SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
1479                 }
1480         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1481                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
1482         } else {
1483                 SCVAL(p,0,NO_OPLOCK_RETURN);
1484         }
1485
1486         p += 2;
1487         SSVAL(p,0,fsp->fnum);
1488         p += 2;
1489         if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
1490                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1491         } else {
1492                 SIVAL(p,0,info);
1493         }
1494         p += 8;
1495
1496         /* Create time. */
1497         c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1498         a_timespec = get_atimespec(&sbuf);
1499         m_timespec = get_mtimespec(&sbuf);
1500
1501         if (lp_dos_filetime_resolution(SNUM(conn))) {
1502                 dos_filetime_timespec(&c_timespec);
1503                 dos_filetime_timespec(&a_timespec);
1504                 dos_filetime_timespec(&m_timespec);
1505         }
1506
1507         put_long_date_timespec(p, c_timespec); /* create time. */
1508         p += 8;
1509         put_long_date_timespec(p, a_timespec); /* access time */
1510         p += 8;
1511         put_long_date_timespec(p, m_timespec); /* write time */
1512         p += 8;
1513         put_long_date_timespec(p, m_timespec); /* change time */
1514         p += 8;
1515         SIVAL(p,0,fattr); /* File Attributes. */
1516         p += 4;
1517         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1518         p += 8;
1519         SOFF_T(p,0,file_len);
1520         p += 8;
1521         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1522                 SSVAL(p,2,0x7);
1523         }
1524         p += 4;
1525         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1526
1527         DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
1528
1529         /* Send the required number of replies */
1530         send_nt_replies(outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
1531
1532         return -1;
1533 }
1534
1535 /****************************************************************************
1536  Reply to a NT CANCEL request.
1537  conn POINTER CAN BE NULL HERE !
1538 ****************************************************************************/
1539
1540 int reply_ntcancel(connection_struct *conn,
1541                    char *inbuf,char *outbuf,int length,int bufsize)
1542 {
1543         /*
1544          * Go through and cancel any pending change notifies.
1545          */
1546
1547         int mid = SVAL(inbuf,smb_mid);
1548         START_PROFILE(SMBntcancel);
1549         remove_pending_change_notify_requests_by_mid(mid);
1550         remove_pending_lock_requests_by_mid(mid);
1551         srv_cancel_sign_response(mid);
1552
1553         DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", mid));
1554
1555         END_PROFILE(SMBntcancel);
1556         return(-1);
1557 }
1558
1559 /****************************************************************************
1560  Copy a file.
1561 ****************************************************************************/
1562
1563 static NTSTATUS copy_internals(connection_struct *conn, char *oldname, char *newname, uint32 attrs)
1564 {
1565         BOOL bad_path_oldname = False;
1566         BOOL bad_path_newname = False;
1567         SMB_STRUCT_STAT sbuf1, sbuf2;
1568         pstring last_component_oldname;
1569         pstring last_component_newname;
1570         files_struct *fsp1,*fsp2;
1571         uint32 fattr;
1572         int info;
1573         SMB_OFF_T ret=-1;
1574         int close_ret;
1575         NTSTATUS status = NT_STATUS_OK;
1576
1577         ZERO_STRUCT(sbuf1);
1578         ZERO_STRUCT(sbuf2);
1579
1580         /* No wildcards. */
1581         if (ms_has_wild(newname) || ms_has_wild(oldname)) {
1582                 return NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1583         }
1584
1585         if (!CAN_WRITE(conn))
1586                 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1587
1588         unix_convert(oldname,conn,last_component_oldname,&bad_path_oldname,&sbuf1);
1589         if (bad_path_oldname) {
1590                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
1591         }
1592
1593         /* Quick check for "." and ".." */
1594         if (last_component_oldname[0] == '.') {
1595                 if (!last_component_oldname[1] || (last_component_oldname[1] == '.' && !last_component_oldname[2])) {
1596                         return NT_STATUS_OBJECT_NAME_INVALID;
1597                 }
1598         }
1599
1600         /* Source must already exist. */
1601         if (!VALID_STAT(sbuf1)) {
1602                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1603         }
1604         if (!check_name(oldname,conn)) {
1605                 return NT_STATUS_ACCESS_DENIED;
1606         }
1607
1608         /* Ensure attributes match. */
1609         fattr = dos_mode(conn,oldname,&sbuf1);
1610         if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1611                 return NT_STATUS_NO_SUCH_FILE;
1612         }
1613
1614         unix_convert(newname,conn,last_component_newname,&bad_path_newname,&sbuf2);
1615         if (bad_path_newname) {
1616                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
1617         }
1618
1619         /* Quick check for "." and ".." */
1620         if (last_component_newname[0] == '.') {
1621                 if (!last_component_newname[1] || (last_component_newname[1] == '.' && !last_component_newname[2])) {
1622                         return NT_STATUS_OBJECT_NAME_INVALID;
1623                 }
1624         }
1625
1626         /* Disallow if newname already exists. */
1627         if (VALID_STAT(sbuf2)) {
1628                 return NT_STATUS_OBJECT_NAME_COLLISION;
1629         }
1630
1631         if (!check_name(newname,conn)) {
1632                 return NT_STATUS_ACCESS_DENIED;
1633         }
1634
1635         /* No links from a directory. */
1636         if (S_ISDIR(sbuf1.st_mode)) {
1637                 return NT_STATUS_FILE_IS_A_DIRECTORY;
1638         }
1639
1640         /* Ensure this is within the share. */
1641         if (!reduce_name(conn, oldname) != 0) {
1642                 return NT_STATUS_ACCESS_DENIED;
1643         }
1644
1645         DEBUG(10,("copy_internals: doing file copy %s to %s\n", oldname, newname));
1646
1647         status = open_file_ntcreate(conn,oldname,&sbuf1,
1648                         FILE_READ_DATA, /* Read-only. */
1649                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1650                         FILE_OPEN,
1651                         0, /* No create options. */
1652                         FILE_ATTRIBUTE_NORMAL,
1653                         NO_OPLOCK,
1654                         &info, &fsp1);
1655
1656         if (!NT_STATUS_IS_OK(status)) {
1657                 return status;
1658         }
1659
1660         status = open_file_ntcreate(conn,newname,&sbuf2,
1661                         FILE_WRITE_DATA, /* Read-only. */
1662                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1663                         FILE_CREATE,
1664                         0, /* No create options. */
1665                         fattr,
1666                         NO_OPLOCK,
1667                         &info, &fsp2);
1668
1669         if (!NT_STATUS_IS_OK(status)) {
1670                 close_file(fsp1,ERROR_CLOSE);
1671                 return status;
1672         }
1673
1674         if (sbuf1.st_size) {
1675                 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1676         }
1677
1678         /*
1679          * As we are opening fsp1 read-only we only expect
1680          * an error on close on fsp2 if we are out of space.
1681          * Thus we don't look at the error return from the
1682          * close of fsp1.
1683          */
1684         close_file(fsp1,NORMAL_CLOSE);
1685
1686         /* Ensure the modtime is set correctly on the destination file. */
1687         fsp_set_pending_modtime(fsp2, sbuf1.st_mtime);
1688
1689         close_ret = close_file(fsp2,NORMAL_CLOSE);
1690
1691         /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1692            creates the file. This isn't the correct thing to do in the copy
1693            case. JRA */
1694         file_set_dosmode(conn, newname, fattr, &sbuf2,
1695                          parent_dirname(newname));
1696
1697         if (ret < (SMB_OFF_T)sbuf1.st_size) {
1698                 return NT_STATUS_DISK_FULL;
1699         }
1700
1701         if (close_ret != 0) {
1702                 status = map_nt_error_from_unix(close_ret);
1703                 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1704                         nt_errstr(status), oldname, newname));
1705         }
1706         return status;
1707 }
1708
1709 /****************************************************************************
1710  Reply to a NT rename request.
1711 ****************************************************************************/
1712
1713 int reply_ntrename(connection_struct *conn,
1714                    char *inbuf,char *outbuf,int length,int bufsize)
1715 {
1716         int outsize = 0;
1717         pstring oldname;
1718         pstring newname;
1719         char *p;
1720         NTSTATUS status;
1721         BOOL path1_contains_wcard = False;
1722         BOOL path2_contains_wcard = False;
1723         uint32 attrs = SVAL(inbuf,smb_vwv0);
1724         uint16 rename_type = SVAL(inbuf,smb_vwv1);
1725
1726         START_PROFILE(SMBntrename);
1727
1728         p = smb_buf(inbuf) + 1;
1729         p += srvstr_get_path_wcard(inbuf, oldname, p, sizeof(oldname), 0, STR_TERMINATE, &status, &path1_contains_wcard);
1730         if (!NT_STATUS_IS_OK(status)) {
1731                 END_PROFILE(SMBntrename);
1732                 return ERROR_NT(status);
1733         }
1734
1735         if( is_ntfs_stream_name(oldname)) {
1736                 /* Can't rename a stream. */
1737                 END_PROFILE(SMBntrename);
1738                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1739         }
1740
1741         if (ms_has_wild(oldname)) {
1742                 END_PROFILE(SMBntrename);
1743                 return ERROR_NT(NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1744         }
1745
1746         p++;
1747         p += srvstr_get_path_wcard(inbuf, newname, p, sizeof(newname), 0, STR_TERMINATE, &status, &path2_contains_wcard);
1748         if (!NT_STATUS_IS_OK(status)) {
1749                 END_PROFILE(SMBntrename);
1750                 return ERROR_NT(status);
1751         }
1752
1753         RESOLVE_DFSPATH(oldname, conn, inbuf, outbuf);
1754         RESOLVE_DFSPATH(newname, conn, inbuf, outbuf);
1755
1756         DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1757
1758         switch(rename_type) {
1759                 case RENAME_FLAG_RENAME:
1760                         status = rename_internals(conn, oldname, newname, attrs, False, path1_contains_wcard);
1761                         break;
1762                 case RENAME_FLAG_HARD_LINK:
1763                         if (path1_contains_wcard || path2_contains_wcard) {
1764                                 /* No wildcards. */
1765                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1766                         } else {
1767                                 status = hardlink_internals(conn, oldname, newname);
1768                         }
1769                         break;
1770                 case RENAME_FLAG_COPY:
1771                         if (path1_contains_wcard || path2_contains_wcard) {
1772                                 /* No wildcards. */
1773                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1774                         } else {
1775                                 status = copy_internals(conn, oldname, newname, attrs);
1776                         }
1777                         break;
1778                 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1779                         status = NT_STATUS_INVALID_PARAMETER;
1780                         break;
1781                 default:
1782                         status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1783                         break;
1784         }
1785
1786         if (!NT_STATUS_IS_OK(status)) {
1787                 END_PROFILE(SMBntrename);
1788                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1789                         /* We have re-scheduled this call. */
1790                         return -1;
1791                 }
1792                 return ERROR_NT(status);
1793         }
1794
1795         /*
1796          * Win2k needs a changenotify request response before it will
1797          * update after a rename..
1798          */
1799         process_pending_change_notify_queue((time_t)0);
1800         outsize = set_message(outbuf,0,0,False);
1801
1802         END_PROFILE(SMBntrename);
1803         return(outsize);
1804 }
1805
1806 /****************************************************************************
1807  Reply to a notify change - queue the request and
1808  don't allow a directory to be opened.
1809 ****************************************************************************/
1810
1811 static int call_nt_transact_notify_change(connection_struct *conn, char *inbuf,
1812                                           char *outbuf, int length,
1813                                           int bufsize,
1814                                           uint16 **ppsetup, uint32 setup_count,
1815                                           char **ppparams,
1816                                           uint32 parameter_count,
1817                                           char **ppdata, uint32 data_count,
1818                                           uint32 max_data_count,
1819                                           uint32 max_param_count)
1820 {
1821         uint16 *setup = *ppsetup;
1822         files_struct *fsp;
1823         uint32 filter;
1824         NTSTATUS status;
1825
1826         if(setup_count < 6) {
1827                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1828         }
1829
1830         fsp = file_fsp((char *)setup,4);
1831         filter = IVAL(setup, 0);
1832
1833         DEBUG(3,("call_nt_transact_notify_change\n"));
1834
1835         if(!fsp) {
1836                 return ERROR_DOS(ERRDOS,ERRbadfid);
1837         }
1838
1839         DEBUG(3,("call_nt_transact_notify_change: notify change called on "
1840                  "directory name = %s\n", fsp->fsp_name ));
1841
1842         if((!fsp->is_directory) || (conn != fsp->conn)) {
1843                 return ERROR_DOS(ERRDOS,ERRbadfid);
1844         }
1845
1846         if (fsp->notify == NULL) {
1847                 if (!(fsp->notify = TALLOC_ZERO_P(
1848                               NULL, struct notify_change_buf))) {
1849                         return ERROR_NT(NT_STATUS_NO_MEMORY);
1850                 }
1851         }
1852
1853         if (fsp->notify->num_changes > 0) {
1854
1855                 /*
1856                  * We've got changes pending, respond immediately
1857                  */
1858
1859                 /*
1860                  * TODO: write a torture test to check the filtering behaviour
1861                  * here.
1862                  */
1863
1864                 SMB_ASSERT(fsp->notify->requests == NULL);
1865
1866                 change_notify_reply(inbuf, max_param_count,
1867                                     fsp->notify->num_changes,
1868                                     fsp->notify->changes);
1869
1870                 TALLOC_FREE(fsp->notify->changes);
1871                 fsp->notify->num_changes = 0;
1872
1873                 /*
1874                  * change_notify_reply() above has independently sent its
1875                  * results
1876                  */
1877                 return -1;
1878         }
1879
1880         /*
1881          * No changes pending, queue the request
1882          */
1883
1884         status = change_notify_add_request(inbuf, max_param_count, filter,
1885                                            fsp);
1886         if (!NT_STATUS_IS_OK(status)) {
1887                 return ERROR_NT(status);
1888         }
1889
1890         return -1;
1891 }
1892
1893 /****************************************************************************
1894  Reply to an NT transact rename command.
1895 ****************************************************************************/
1896
1897 static int call_nt_transact_rename(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1898                                   uint16 **ppsetup, uint32 setup_count,
1899                                   char **ppparams, uint32 parameter_count,
1900                                   char **ppdata, uint32 data_count, uint32 max_data_count)
1901 {
1902         char *params = *ppparams;
1903         pstring new_name;
1904         files_struct *fsp = NULL;
1905         BOOL replace_if_exists = False;
1906         BOOL path_contains_wcard = False;
1907         NTSTATUS status;
1908
1909         if(parameter_count < 5) {
1910                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1911         }
1912
1913         fsp = file_fsp(params, 0);
1914         replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
1915         CHECK_FSP(fsp, conn);
1916         srvstr_get_path_wcard(inbuf, new_name, params+4, sizeof(new_name), parameter_count - 4, STR_TERMINATE, &status, &path_contains_wcard);
1917         if (!NT_STATUS_IS_OK(status)) {
1918                 return ERROR_NT(status);
1919         }
1920
1921         status = rename_internals(conn, fsp->fsp_name,
1922                                   new_name, 0, replace_if_exists, path_contains_wcard);
1923         if (!NT_STATUS_IS_OK(status))
1924                 return ERROR_NT(status);
1925
1926         /*
1927          * Rename was successful.
1928          */
1929         send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1930
1931         DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
1932                  fsp->fsp_name, new_name));
1933
1934         /*
1935          * Win2k needs a changenotify request response before it will
1936          * update after a rename..
1937          */
1938
1939         process_pending_change_notify_queue((time_t)0);
1940
1941         return -1;
1942 }
1943
1944 /******************************************************************************
1945  Fake up a completely empty SD.
1946 *******************************************************************************/
1947
1948 static size_t get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1949 {
1950         size_t sd_size;
1951
1952         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1953         if(!*ppsd) {
1954                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1955                 sd_size = 0;
1956         }
1957
1958         return sd_size;
1959 }
1960
1961 /****************************************************************************
1962  Reply to query a security descriptor.
1963 ****************************************************************************/
1964
1965 static int call_nt_transact_query_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1966                                   uint16 **ppsetup, uint32 setup_count,
1967                                   char **ppparams, uint32 parameter_count,
1968                                   char **ppdata, uint32 data_count, uint32 max_data_count)
1969 {
1970         char *params = *ppparams;
1971         char *data = *ppdata;
1972         prs_struct pd;
1973         SEC_DESC *psd = NULL;
1974         size_t sd_size;
1975         uint32 security_info_wanted;
1976         TALLOC_CTX *mem_ctx;
1977         files_struct *fsp = NULL;
1978
1979         if(parameter_count < 8) {
1980                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1981         }
1982
1983         fsp = file_fsp(params,0);
1984         if(!fsp) {
1985                 return ERROR_DOS(ERRDOS,ERRbadfid);
1986         }
1987
1988         security_info_wanted = IVAL(params,4);
1989
1990         DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
1991                         (unsigned int)security_info_wanted ));
1992
1993         params = nttrans_realloc(ppparams, 4);
1994         if(params == NULL) {
1995                 return ERROR_DOS(ERRDOS,ERRnomem);
1996         }
1997
1998         if ((mem_ctx = talloc_init("call_nt_transact_query_security_desc")) == NULL) {
1999                 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
2000                 return ERROR_DOS(ERRDOS,ERRnomem);
2001         }
2002
2003         /*
2004          * Get the permissions to return.
2005          */
2006
2007         if (!lp_nt_acl_support(SNUM(conn))) {
2008                 sd_size = get_null_nt_acl(mem_ctx, &psd);
2009         } else {
2010                 sd_size = SMB_VFS_FGET_NT_ACL(fsp, fsp->fh->fd, security_info_wanted, &psd);
2011         }
2012
2013         if (sd_size == 0) {
2014                 talloc_destroy(mem_ctx);
2015                 return(UNIXERROR(ERRDOS,ERRnoaccess));
2016         }
2017
2018         DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
2019
2020         SIVAL(params,0,(uint32)sd_size);
2021
2022         if(max_data_count < sd_size) {
2023
2024                 send_nt_replies(outbuf, bufsize, NT_STATUS_BUFFER_TOO_SMALL,
2025                                 params, 4, *ppdata, 0);
2026                 talloc_destroy(mem_ctx);
2027                 return -1;
2028         }
2029
2030         /*
2031          * Allocate the data we will point this at.
2032          */
2033
2034         data = nttrans_realloc(ppdata, sd_size);
2035         if(data == NULL) {
2036                 talloc_destroy(mem_ctx);
2037                 return ERROR_DOS(ERRDOS,ERRnomem);
2038         }
2039
2040         /*
2041          * Init the parse struct we will marshall into.
2042          */
2043
2044         prs_init(&pd, 0, mem_ctx, MARSHALL);
2045
2046         /*
2047          * Setup the prs_struct to point at the memory we just
2048          * allocated.
2049          */
2050
2051         prs_give_memory( &pd, data, (uint32)sd_size, False);
2052
2053         /*
2054          * Finally, linearize into the outgoing buffer.
2055          */
2056
2057         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
2058                 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
2059 security descriptor.\n"));
2060                 /*
2061                  * Return access denied for want of a better error message..
2062                  */
2063                 talloc_destroy(mem_ctx);
2064                 return(UNIXERROR(ERRDOS,ERRnoaccess));
2065         }
2066
2067         /*
2068          * Now we can delete the security descriptor.
2069          */
2070
2071         talloc_destroy(mem_ctx);
2072
2073         send_nt_replies(outbuf, bufsize, NT_STATUS_OK, params, 4, data,
2074                         (int)sd_size);
2075         return -1;
2076 }
2077
2078 /****************************************************************************
2079  Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2080 ****************************************************************************/
2081
2082 static int call_nt_transact_set_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2083                                   uint16 **ppsetup, uint32 setup_count,
2084                                   char **ppparams, uint32 parameter_count,
2085                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2086 {
2087         char *params= *ppparams;
2088         char *data = *ppdata;
2089         files_struct *fsp = NULL;
2090         uint32 security_info_sent = 0;
2091         NTSTATUS nt_status;
2092
2093         if(parameter_count < 8) {
2094                 return ERROR_DOS(ERRDOS,ERRbadfunc);
2095         }
2096
2097         if((fsp = file_fsp(params,0)) == NULL) {
2098                 return ERROR_DOS(ERRDOS,ERRbadfid);
2099         }
2100
2101         if(!lp_nt_acl_support(SNUM(conn))) {
2102                 goto done;
2103         }
2104
2105         security_info_sent = IVAL(params,4);
2106
2107         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
2108                 (unsigned int)security_info_sent ));
2109
2110         if (data_count == 0) {
2111                 return ERROR_DOS(ERRDOS, ERRnoaccess);
2112         }
2113
2114         if (!NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, data_count, security_info_sent))) {
2115                 return ERROR_NT(nt_status);
2116         }
2117
2118   done:
2119
2120         send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2121         return -1;
2122 }
2123
2124 /****************************************************************************
2125  Reply to NT IOCTL
2126 ****************************************************************************/
2127
2128 static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2129                                   uint16 **ppsetup, uint32 setup_count,
2130                                   char **ppparams, uint32 parameter_count,
2131                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2132 {
2133         uint32 function;
2134         uint16 fidnum;
2135         files_struct *fsp;
2136         uint8 isFSctl;
2137         uint8 compfilter;
2138         static BOOL logged_message;
2139         char *pdata = *ppdata;
2140
2141         if (setup_count != 8) {
2142                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2143                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2144         }
2145
2146         function = IVAL(*ppsetup, 0);
2147         fidnum = SVAL(*ppsetup, 4);
2148         isFSctl = CVAL(*ppsetup, 6);
2149         compfilter = CVAL(*ppsetup, 7);
2150
2151         DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2152                  function, fidnum, isFSctl, compfilter));
2153
2154         fsp=file_fsp((char *)*ppsetup, 4);
2155         /* this check is done in each implemented function case for now
2156            because I don't want to break anything... --metze
2157         FSP_BELONGS_CONN(fsp,conn);*/
2158
2159         switch (function) {
2160         case FSCTL_SET_SPARSE:
2161                 /* pretend this succeeded - tho strictly we should
2162                    mark the file sparse (if the local fs supports it)
2163                    so we can know if we need to pre-allocate or not */
2164
2165                 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2166                 send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL,
2167                                 0);
2168                 return -1;
2169
2170         case FSCTL_0x000900C0:
2171                 /* pretend this succeeded - don't know what this really is
2172                    but works ok like this --metze
2173                  */
2174
2175                 DEBUG(10,("FSCTL_0x000900C0: called on FID[0x%04X](but not implemented)\n",fidnum));
2176                 send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL,
2177                                 0);
2178                 return -1;
2179
2180         case FSCTL_GET_REPARSE_POINT:
2181                 /* pretend this fail - my winXP does it like this
2182                  * --metze
2183                  */
2184
2185                 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2186                 send_nt_replies(outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT,
2187                                 NULL, 0, NULL, 0);
2188                 return -1;
2189
2190         case FSCTL_SET_REPARSE_POINT:
2191                 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2192                  * --metze
2193                  */
2194
2195                 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2196                 send_nt_replies(outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT,
2197                                 NULL, 0, NULL, 0);
2198                 return -1;
2199
2200         case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2201         {
2202                 /*
2203                  * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2204                  * and return their volume names.  If max_data_count is 16, then it is just
2205                  * asking for the number of volumes and length of the combined names.
2206                  *
2207                  * pdata is the data allocated by our caller, but that uses
2208                  * total_data_count (which is 0 in our case) rather than max_data_count.
2209                  * Allocate the correct amount and return the pointer to let
2210                  * it be deallocated when we return.
2211                  */
2212                 SHADOW_COPY_DATA *shadow_data = NULL;
2213                 TALLOC_CTX *shadow_mem_ctx = NULL;
2214                 BOOL labels = False;
2215                 uint32 labels_data_count = 0;
2216                 uint32 i;
2217                 char *cur_pdata;
2218
2219                 FSP_BELONGS_CONN(fsp,conn);
2220
2221                 if (max_data_count < 16) {
2222                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2223                                 max_data_count));
2224                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2225                 }
2226
2227                 if (max_data_count > 16) {
2228                         labels = True;
2229                 }
2230
2231                 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2232                 if (shadow_mem_ctx == NULL) {
2233                         DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2234                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2235                 }
2236
2237                 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2238                 if (shadow_data == NULL) {
2239                         DEBUG(0,("talloc_zero() failed!\n"));
2240                         talloc_destroy(shadow_mem_ctx);
2241                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2242                 }
2243
2244                 shadow_data->mem_ctx = shadow_mem_ctx;
2245
2246                 /*
2247                  * Call the VFS routine to actually do the work.
2248                  */
2249                 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2250                         talloc_destroy(shadow_data->mem_ctx);
2251                         if (errno == ENOSYS) {
2252                                 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2253                                         conn->connectpath));
2254                                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2255                         } else {
2256                                 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2257                                         conn->connectpath));
2258                                 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
2259                         }
2260                 }
2261
2262                 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2263
2264                 if (!labels) {
2265                         data_count = 16;
2266                 } else {
2267                         data_count = 12+labels_data_count+4;
2268                 }
2269
2270                 if (max_data_count<data_count) {
2271                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2272                                 max_data_count,data_count));
2273                         talloc_destroy(shadow_data->mem_ctx);
2274                         return ERROR_NT(NT_STATUS_BUFFER_TOO_SMALL);
2275                 }
2276
2277                 pdata = nttrans_realloc(ppdata, data_count);
2278                 if (pdata == NULL) {
2279                         talloc_destroy(shadow_data->mem_ctx);
2280                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2281                 }
2282
2283                 cur_pdata = pdata;
2284
2285                 /* num_volumes 4 bytes */
2286                 SIVAL(pdata,0,shadow_data->num_volumes);
2287
2288                 if (labels) {
2289                         /* num_labels 4 bytes */
2290                         SIVAL(pdata,4,shadow_data->num_volumes);
2291                 }
2292
2293                 /* needed_data_count 4 bytes */
2294                 SIVAL(pdata,8,labels_data_count);
2295
2296                 cur_pdata+=12;
2297
2298                 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2299                         shadow_data->num_volumes,fsp->fsp_name));
2300                 if (labels && shadow_data->labels) {
2301                         for (i=0;i<shadow_data->num_volumes;i++) {
2302                                 srvstr_push(outbuf, cur_pdata, shadow_data->labels[i], 2*sizeof(SHADOW_COPY_LABEL), STR_UNICODE|STR_TERMINATE);
2303                                 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2304                                 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2305                         }
2306                 }
2307
2308                 talloc_destroy(shadow_data->mem_ctx);
2309
2310                 send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0,
2311                                 pdata, data_count);
2312
2313                 return -1;
2314         }
2315
2316         case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2317         {
2318                 /* pretend this succeeded -
2319                  *
2320                  * we have to send back a list with all files owned by this SID
2321                  *
2322                  * but I have to check that --metze
2323                  */
2324                 DOM_SID sid;
2325                 uid_t uid;
2326                 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2327
2328                 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2329
2330                 FSP_BELONGS_CONN(fsp,conn);
2331
2332                 /* unknown 4 bytes: this is not the length of the sid :-(  */
2333                 /*unknown = IVAL(pdata,0);*/
2334
2335                 sid_parse(pdata+4,sid_len,&sid);
2336                 DEBUGADD(10,("for SID: %s\n",sid_string_static(&sid)));
2337
2338                 if (!sid_to_uid(&sid, &uid)) {
2339                         DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2340                                 sid_string_static(&sid),(unsigned long)sid_len));
2341                         uid = (-1);
2342                 }
2343
2344                 /* we can take a look at the find source :-)
2345                  *
2346                  * find ./ -uid $uid  -name '*'   is what we need here
2347                  *
2348                  *
2349                  * and send 4bytes len and then NULL terminated unicode strings
2350                  * for each file
2351                  *
2352                  * but I don't know how to deal with the paged results
2353                  * (maybe we can hang the result anywhere in the fsp struct)
2354                  *
2355                  * we don't send all files at once
2356                  * and at the next we should *not* start from the beginning,
2357                  * so we have to cache the result
2358                  *
2359                  * --metze
2360                  */
2361
2362                 /* this works for now... */
2363                 send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0,
2364                                 NULL, 0);
2365                 return -1;
2366         }
2367         default:
2368                 if (!logged_message) {
2369                         logged_message = True; /* Only print this once... */
2370                         DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2371                                  function));
2372                 }
2373         }
2374
2375         return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2376 }
2377
2378
2379 #ifdef HAVE_SYS_QUOTAS
2380 /****************************************************************************
2381  Reply to get user quota
2382 ****************************************************************************/
2383
2384 static int call_nt_transact_get_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2385                                   uint16 **ppsetup, uint32 setup_count,
2386                                   char **ppparams, uint32 parameter_count,
2387                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2388 {
2389         NTSTATUS nt_status = NT_STATUS_OK;
2390         char *params = *ppparams;
2391         char *pdata = *ppdata;
2392         char *entry;
2393         int data_len=0,param_len=0;
2394         int qt_len=0;
2395         int entry_len = 0;
2396         files_struct *fsp = NULL;
2397         uint16 level = 0;
2398         size_t sid_len;
2399         DOM_SID sid;
2400         BOOL start_enum = True;
2401         SMB_NTQUOTA_STRUCT qt;
2402         SMB_NTQUOTA_LIST *tmp_list;
2403         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2404
2405         ZERO_STRUCT(qt);
2406
2407         /* access check */
2408         if (current_user.ut.uid != 0) {
2409                 DEBUG(1,("get_user_quota: access_denied service [%s] user [%s]\n",
2410                         lp_servicename(SNUM(conn)),conn->user));
2411                 return ERROR_DOS(ERRDOS,ERRnoaccess);
2412         }
2413
2414         /*
2415          * Ensure minimum number of parameters sent.
2416          */
2417
2418         if (parameter_count < 4) {
2419                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2420                 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2421         }
2422
2423         /* maybe we can check the quota_fnum */
2424         fsp = file_fsp(params,0);
2425         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2426                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2427                 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2428         }
2429
2430         /* the NULL pointer checking for fsp->fake_file_handle->pd
2431          * is done by CHECK_NTQUOTA_HANDLE_OK()
2432          */
2433         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
2434
2435         level = SVAL(params,2);
2436
2437         /* unknown 12 bytes leading in params */
2438
2439         switch (level) {
2440                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2441                         /* seems that we should continue with the enum here --metze */
2442
2443                         if (qt_handle->quota_list!=NULL &&
2444                             qt_handle->tmp_list==NULL) {
2445
2446                                 /* free the list */
2447                                 free_ntquota_list(&(qt_handle->quota_list));
2448
2449                                 /* Realloc the size of parameters and data we will return */
2450                                 param_len = 4;
2451                                 params = nttrans_realloc(ppparams, param_len);
2452                                 if(params == NULL) {
2453                                         return ERROR_DOS(ERRDOS,ERRnomem);
2454                                 }
2455
2456                                 data_len = 0;
2457                                 SIVAL(params,0,data_len);
2458
2459                                 break;
2460                         }
2461
2462                         start_enum = False;
2463
2464                 case TRANSACT_GET_USER_QUOTA_LIST_START:
2465
2466                         if (qt_handle->quota_list==NULL &&
2467                                 qt_handle->tmp_list==NULL) {
2468                                 start_enum = True;
2469                         }
2470
2471                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0)
2472                                 return ERROR_DOS(ERRSRV,ERRerror);
2473
2474                         /* Realloc the size of parameters and data we will return */
2475                         param_len = 4;
2476                         params = nttrans_realloc(ppparams, param_len);
2477                         if(params == NULL) {
2478                                 return ERROR_DOS(ERRDOS,ERRnomem);
2479                         }
2480
2481                         /* we should not trust the value in max_data_count*/
2482                         max_data_count = MIN(max_data_count,2048);
2483
2484                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2485                         if(pdata == NULL) {
2486                                 return ERROR_DOS(ERRDOS,ERRnomem);
2487                         }
2488
2489                         entry = pdata;
2490
2491                         /* set params Size of returned Quota Data 4 bytes*/
2492                         /* but set it later when we know it */
2493
2494                         /* for each entry push the data */
2495
2496                         if (start_enum) {
2497                                 qt_handle->tmp_list = qt_handle->quota_list;
2498                         }
2499
2500                         tmp_list = qt_handle->tmp_list;
2501
2502                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2503                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2504
2505                                 sid_len = sid_size(&tmp_list->quotas->sid);
2506                                 entry_len = 40 + sid_len;
2507
2508                                 /* nextoffset entry 4 bytes */
2509                                 SIVAL(entry,0,entry_len);
2510
2511                                 /* then the len of the SID 4 bytes */
2512                                 SIVAL(entry,4,sid_len);
2513
2514                                 /* unknown data 8 bytes SMB_BIG_UINT */
2515                                 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2516
2517                                 /* the used disk space 8 bytes SMB_BIG_UINT */
2518                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2519
2520                                 /* the soft quotas 8 bytes SMB_BIG_UINT */
2521                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2522
2523                                 /* the hard quotas 8 bytes SMB_BIG_UINT */
2524                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2525
2526                                 /* and now the SID */
2527                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2528                         }
2529
2530                         qt_handle->tmp_list = tmp_list;
2531
2532                         /* overwrite the offset of the last entry */
2533                         SIVAL(entry-entry_len,0,0);
2534
2535                         data_len = 4+qt_len;
2536                         /* overwrite the params quota_data_len */
2537                         SIVAL(params,0,data_len);
2538
2539                         break;
2540
2541                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2542
2543                         /* unknown 4 bytes IVAL(pdata,0) */
2544
2545                         if (data_count < 8) {
2546                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2547                                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2548                         }
2549
2550                         sid_len = IVAL(pdata,4);
2551                         /* Ensure this is less than 1mb. */
2552                         if (sid_len > (1024*1024)) {
2553                                 return ERROR_DOS(ERRDOS,ERRnomem);
2554                         }
2555
2556                         if (data_count < 8+sid_len) {
2557                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2558                                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2559                         }
2560
2561                         data_len = 4+40+sid_len;
2562
2563                         if (max_data_count < data_len) {
2564                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2565                                         max_data_count, data_len));
2566                                 param_len = 4;
2567                                 SIVAL(params,0,data_len);
2568                                 data_len = 0;
2569                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2570                                 break;
2571                         }
2572
2573                         sid_parse(pdata+8,sid_len,&sid);
2574
2575                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2576                                 ZERO_STRUCT(qt);
2577                                 /*
2578                                  * we have to return zero's in all fields
2579                                  * instead of returning an error here
2580                                  * --metze
2581                                  */
2582                         }
2583
2584                         /* Realloc the size of parameters and data we will return */
2585                         param_len = 4;
2586                         params = nttrans_realloc(ppparams, param_len);
2587                         if(params == NULL) {
2588                                 return ERROR_DOS(ERRDOS,ERRnomem);
2589                         }
2590
2591                         pdata = nttrans_realloc(ppdata, data_len);
2592                         if(pdata == NULL) {
2593                                 return ERROR_DOS(ERRDOS,ERRnomem);
2594                         }
2595
2596                         entry = pdata;
2597
2598                         /* set params Size of returned Quota Data 4 bytes*/
2599                         SIVAL(params,0,data_len);
2600
2601                         /* nextoffset entry 4 bytes */
2602                         SIVAL(entry,0,0);
2603
2604                         /* then the len of the SID 4 bytes */
2605                         SIVAL(entry,4,sid_len);
2606
2607                         /* unknown data 8 bytes SMB_BIG_UINT */
2608                         SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
2609
2610                         /* the used disk space 8 bytes SMB_BIG_UINT */
2611                         SBIG_UINT(entry,16,qt.usedspace);
2612
2613                         /* the soft quotas 8 bytes SMB_BIG_UINT */
2614                         SBIG_UINT(entry,24,qt.softlim);
2615
2616                         /* the hard quotas 8 bytes SMB_BIG_UINT */
2617                         SBIG_UINT(entry,32,qt.hardlim);
2618
2619                         /* and now the SID */
2620                         sid_linearize(entry+40, sid_len, &sid);
2621
2622                         break;
2623
2624                 default:
2625                         DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2626                         return ERROR_DOS(ERRSRV,ERRerror);
2627                         break;
2628         }
2629
2630         send_nt_replies(outbuf, bufsize, nt_status, params, param_len,
2631                         pdata, data_len);
2632
2633         return -1;
2634 }
2635
2636 /****************************************************************************
2637  Reply to set user quota
2638 ****************************************************************************/
2639
2640 static int call_nt_transact_set_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2641                                   uint16 **ppsetup, uint32 setup_count,
2642                                   char **ppparams, uint32 parameter_count,
2643                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2644 {
2645         char *params = *ppparams;
2646         char *pdata = *ppdata;
2647         int data_len=0,param_len=0;
2648         SMB_NTQUOTA_STRUCT qt;
2649         size_t sid_len;
2650         DOM_SID sid;
2651         files_struct *fsp = NULL;
2652
2653         ZERO_STRUCT(qt);
2654
2655         /* access check */
2656         if (current_user.ut.uid != 0) {
2657                 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
2658                         lp_servicename(SNUM(conn)),conn->user));
2659                 return ERROR_DOS(ERRDOS,ERRnoaccess);
2660         }
2661
2662         /*
2663          * Ensure minimum number of parameters sent.
2664          */
2665
2666         if (parameter_count < 2) {
2667                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2668                 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2669         }
2670
2671         /* maybe we can check the quota_fnum */
2672         fsp = file_fsp(params,0);
2673         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2674                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2675                 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2676         }
2677
2678         if (data_count < 40) {
2679                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2680                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2681         }
2682
2683         /* offset to next quota record.
2684          * 4 bytes IVAL(pdata,0)
2685          * unused here...
2686          */
2687
2688         /* sid len */
2689         sid_len = IVAL(pdata,4);
2690
2691         if (data_count < 40+sid_len) {
2692                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2693                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2694         }
2695
2696         /* unknown 8 bytes in pdata
2697          * maybe its the change time in NTTIME
2698          */
2699
2700         /* the used space 8 bytes (SMB_BIG_UINT)*/
2701         qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
2702 #ifdef LARGE_SMB_OFF_T
2703         qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
2704 #else /* LARGE_SMB_OFF_T */
2705         if ((IVAL(pdata,20) != 0)&&
2706                 ((qt.usedspace != 0xFFFFFFFF)||
2707                 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2708                 /* more than 32 bits? */
2709                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2710         }
2711 #endif /* LARGE_SMB_OFF_T */
2712
2713         /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
2714         qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
2715 #ifdef LARGE_SMB_OFF_T
2716         qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
2717 #else /* LARGE_SMB_OFF_T */
2718         if ((IVAL(pdata,28) != 0)&&
2719                 ((qt.softlim != 0xFFFFFFFF)||
2720                 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2721                 /* more than 32 bits? */
2722                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2723         }
2724 #endif /* LARGE_SMB_OFF_T */
2725
2726         /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
2727         qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
2728 #ifdef LARGE_SMB_OFF_T
2729         qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
2730 #else /* LARGE_SMB_OFF_T */
2731         if ((IVAL(pdata,36) != 0)&&
2732                 ((qt.hardlim != 0xFFFFFFFF)||
2733                 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2734                 /* more than 32 bits? */
2735                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2736         }
2737 #endif /* LARGE_SMB_OFF_T */
2738
2739         sid_parse(pdata+40,sid_len,&sid);
2740         DEBUGADD(8,("SID: %s\n",sid_string_static(&sid)));
2741
2742         /* 44 unknown bytes left... */
2743
2744         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2745                 return ERROR_DOS(ERRSRV,ERRerror);
2746         }
2747
2748         send_nt_replies(outbuf, bufsize, NT_STATUS_OK, params, param_len,
2749                         pdata, data_len);
2750
2751         return -1;
2752 }
2753 #endif /* HAVE_SYS_QUOTAS */
2754
2755 static int handle_nttrans(connection_struct *conn,
2756                           struct trans_state *state,
2757                           char *inbuf, char *outbuf, int size, int bufsize)
2758 {
2759         int outsize;
2760
2761         if (Protocol >= PROTOCOL_NT1) {
2762                 SSVAL(outbuf,smb_flg2,SVAL(outbuf,smb_flg2) | 0x40); /* IS_LONG_NAME */
2763         }
2764
2765         /* Now we must call the relevant NT_TRANS function */
2766         switch(state->call) {
2767                 case NT_TRANSACT_CREATE:
2768                 {
2769                         START_PROFILE_NESTED(NT_transact_create);
2770                         outsize = call_nt_transact_create(conn, inbuf, outbuf,
2771                                                           size, bufsize,
2772                                                         &state->setup, state->setup_count,
2773                                                         &state->param, state->total_param,
2774                                                         &state->data, state->total_data,
2775                                                           state->max_data_return);
2776                         END_PROFILE_NESTED(NT_transact_create);
2777                         break;
2778                 }
2779
2780                 case NT_TRANSACT_IOCTL:
2781                 {
2782                         START_PROFILE_NESTED(NT_transact_ioctl);
2783                         outsize = call_nt_transact_ioctl(conn, inbuf, outbuf,
2784                                                          size, bufsize,
2785                                                          &state->setup, state->setup_count,
2786                                                          &state->param, state->total_param,
2787                                                          &state->data, state->total_data, state->max_data_return);
2788                         END_PROFILE_NESTED(NT_transact_ioctl);
2789                         break;
2790                 }
2791
2792                 case NT_TRANSACT_SET_SECURITY_DESC:
2793                 {
2794                         START_PROFILE_NESTED(NT_transact_set_security_desc);
2795                         outsize = call_nt_transact_set_security_desc(conn, inbuf, outbuf,
2796                                                          size, bufsize,
2797                                                          &state->setup, state->setup_count,
2798                                                          &state->param, state->total_param,
2799                                                          &state->data, state->total_data, state->max_data_return);
2800                         END_PROFILE_NESTED(NT_transact_set_security_desc);
2801                         break;
2802                 }
2803
2804                 case NT_TRANSACT_NOTIFY_CHANGE:
2805                 {
2806                         START_PROFILE_NESTED(NT_transact_notify_change);
2807                         outsize = call_nt_transact_notify_change(
2808                                 conn, inbuf, outbuf, size, bufsize,
2809                                 &state->setup, state->setup_count,
2810                                 &state->param, state->total_param,
2811                                 &state->data, state->total_data,
2812                                 state->max_data_return,
2813                                 state->max_param_return);
2814                         END_PROFILE_NESTED(NT_transact_notify_change);
2815                         break;
2816                 }
2817
2818                 case NT_TRANSACT_RENAME:
2819                 {
2820                         START_PROFILE_NESTED(NT_transact_rename);
2821                         outsize = call_nt_transact_rename(conn, inbuf, outbuf,
2822                                                          size, bufsize,
2823                                                          &state->setup, state->setup_count,
2824                                                          &state->param, state->total_param,
2825                                                          &state->data, state->total_data, state->max_data_return);
2826                         END_PROFILE_NESTED(NT_transact_rename);
2827                         break;
2828                 }
2829
2830                 case NT_TRANSACT_QUERY_SECURITY_DESC:
2831                 {
2832                         START_PROFILE_NESTED(NT_transact_query_security_desc);
2833                         outsize = call_nt_transact_query_security_desc(conn, inbuf, outbuf,
2834                                                          size, bufsize,
2835                                                          &state->setup, state->setup_count,
2836                                                          &state->param, state->total_param,
2837                                                          &state->data, state->total_data, state->max_data_return);
2838                         END_PROFILE_NESTED(NT_transact_query_security_desc);
2839                         break;
2840                 }
2841
2842 #ifdef HAVE_SYS_QUOTAS
2843                 case NT_TRANSACT_GET_USER_QUOTA:
2844                 {
2845                         START_PROFILE_NESTED(NT_transact_get_user_quota);
2846                         outsize = call_nt_transact_get_user_quota(conn, inbuf, outbuf,
2847                                                          size, bufsize,
2848                                                          &state->setup, state->setup_count,
2849                                                          &state->param, state->total_param,
2850                                                          &state->data, state->total_data, state->max_data_return);
2851                         END_PROFILE_NESTED(NT_transact_get_user_quota);
2852                         break;
2853                 }
2854
2855                 case NT_TRANSACT_SET_USER_QUOTA:
2856                 {
2857                         START_PROFILE_NESTED(NT_transact_set_user_quota);
2858                         outsize = call_nt_transact_set_user_quota(conn, inbuf, outbuf,
2859                                                          size, bufsize,
2860                                                          &state->setup, state->setup_count,
2861                                                          &state->param, state->total_param,
2862                                                          &state->data, state->total_data, state->max_data_return);
2863                         END_PROFILE_NESTED(NT_transact_set_user_quota);
2864                         break;
2865                 }
2866 #endif /* HAVE_SYS_QUOTAS */
2867
2868                 default:
2869                         /* Error in request */
2870                         DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n",
2871                                  state->call));
2872                         return ERROR_DOS(ERRSRV,ERRerror);
2873         }
2874         return outsize;
2875 }
2876
2877 /****************************************************************************
2878  Reply to a SMBNTtrans.
2879 ****************************************************************************/
2880
2881 int reply_nttrans(connection_struct *conn,
2882                         char *inbuf,char *outbuf,int size,int bufsize)
2883 {
2884         int  outsize = 0;
2885         uint32 pscnt = IVAL(inbuf,smb_nt_ParameterCount);
2886         uint32 psoff = IVAL(inbuf,smb_nt_ParameterOffset);
2887         uint32 dscnt = IVAL(inbuf,smb_nt_DataCount);
2888         uint32 dsoff = IVAL(inbuf,smb_nt_DataOffset);
2889
2890         uint16 function_code = SVAL( inbuf, smb_nt_Function);
2891         NTSTATUS result;
2892         struct trans_state *state;
2893
2894         START_PROFILE(SMBnttrans);
2895
2896         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2897                 END_PROFILE(SMBnttrans);
2898                 return ERROR_DOS(ERRSRV,ERRaccess);
2899         }
2900
2901         result = allow_new_trans(conn->pending_trans, SVAL(inbuf, smb_mid));
2902         if (!NT_STATUS_IS_OK(result)) {
2903                 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2904                 END_PROFILE(SMBnttrans);
2905                 return ERROR_NT(result);
2906         }
2907
2908         if ((state = TALLOC_P(conn->mem_ctx, struct trans_state)) == NULL) {
2909                 END_PROFILE(SMBnttrans);
2910                 return ERROR_DOS(ERRSRV,ERRaccess);
2911         }
2912
2913         state->cmd = SMBnttrans;
2914
2915         state->mid = SVAL(inbuf,smb_mid);
2916         state->vuid = SVAL(inbuf,smb_uid);
2917         state->total_data = IVAL(inbuf, smb_nt_TotalDataCount);
2918         state->data = NULL;
2919         state->total_param = IVAL(inbuf, smb_nt_TotalParameterCount);
2920         state->param = NULL;
2921         state->max_data_return = IVAL(inbuf,smb_nt_MaxDataCount);
2922         state->max_param_return = IVAL(inbuf,smb_nt_MaxParameterCount);
2923
2924         /* setup count is in *words* */
2925         state->setup_count = 2*CVAL(inbuf,smb_nt_SetupCount);
2926         state->setup = NULL;
2927         state->call = function_code;
2928
2929         /*
2930          * All nttrans messages we handle have smb_wct == 19 +
2931          * state->setup_count.  Ensure this is so as a sanity check.
2932          */
2933
2934         if(CVAL(inbuf, smb_wct) != 19 + (state->setup_count/2)) {
2935                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2936                         CVAL(inbuf, smb_wct), 19 + (state->setup_count/2)));
2937                 goto bad_param;
2938         }
2939
2940         /* Don't allow more than 128mb for each value. */
2941         if ((state->total_data > (1024*1024*128)) ||
2942             (state->total_param > (1024*1024*128))) {
2943                 END_PROFILE(SMBnttrans);
2944                 return ERROR_DOS(ERRDOS,ERRnomem);
2945         }
2946
2947         if ((dscnt > state->total_data) || (pscnt > state->total_param))
2948                 goto bad_param;
2949
2950         if (state->total_data)  {
2951                 /* Can't use talloc here, the core routines do realloc on the
2952                  * params and data. */
2953                 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2954                         DEBUG(0,("reply_nttrans: data malloc fail for %u "
2955                                  "bytes !\n", (unsigned int)state->total_data));
2956                         TALLOC_FREE(state);
2957                         END_PROFILE(SMBnttrans);
2958                         return(ERROR_DOS(ERRDOS,ERRnomem));
2959                 }
2960                 if ((dsoff+dscnt < dsoff) || (dsoff+dscnt < dscnt))
2961                         goto bad_param;
2962                 if ((smb_base(inbuf)+dsoff+dscnt > inbuf + size) ||
2963                     (smb_base(inbuf)+dsoff+dscnt < smb_base(inbuf)))
2964                         goto bad_param;
2965
2966                 memcpy(state->data,smb_base(inbuf)+dsoff,dscnt);
2967         }
2968
2969         if (state->total_param) {
2970                 /* Can't use talloc here, the core routines do realloc on the
2971                  * params and data. */
2972                 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2973                         DEBUG(0,("reply_nttrans: param malloc fail for %u "
2974                                  "bytes !\n", (unsigned int)state->total_param));
2975                         SAFE_FREE(state->data);
2976                         TALLOC_FREE(state);
2977                         END_PROFILE(SMBnttrans);
2978                         return(ERROR_DOS(ERRDOS,ERRnomem));
2979                 }
2980                 if ((psoff+pscnt < psoff) || (psoff+pscnt < pscnt))
2981                         goto bad_param;
2982                 if ((smb_base(inbuf)+psoff+pscnt > inbuf + size) ||
2983                     (smb_base(inbuf)+psoff+pscnt < smb_base(inbuf)))
2984                         goto bad_param;
2985
2986                 memcpy(state->param,smb_base(inbuf)+psoff,pscnt);
2987         }
2988
2989         state->received_data  = dscnt;
2990         state->received_param = pscnt;
2991
2992         if(state->setup_count > 0) {
2993                 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2994                           state->setup_count));
2995                 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2996                 if (state->setup == NULL) {
2997                         DEBUG(0,("reply_nttrans : Out of memory\n"));
2998                         SAFE_FREE(state->data);
2999                         SAFE_FREE(state->param);
3000                         TALLOC_FREE(state);
3001                         END_PROFILE(SMBnttrans);
3002                         return ERROR_DOS(ERRDOS,ERRnomem);
3003                 }
3004
3005                 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
3006                     (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
3007                         goto bad_param;
3008                 }
3009                 if (smb_nt_SetupStart + state->setup_count > size) {
3010                         goto bad_param;
3011                 }
3012
3013                 memcpy( state->setup, &inbuf[smb_nt_SetupStart], state->setup_count);
3014                 dump_data(10, (char *)state->setup, state->setup_count);
3015         }
3016
3017         if ((state->received_data == state->total_data) &&
3018             (state->received_param == state->total_param)) {
3019                 outsize = handle_nttrans(conn, state, inbuf, outbuf,
3020                                          size, bufsize);
3021                 SAFE_FREE(state->param);
3022                 SAFE_FREE(state->data);
3023                 TALLOC_FREE(state);
3024                 END_PROFILE(SMBnttrans);
3025                 return outsize;
3026         }
3027
3028         DLIST_ADD(conn->pending_trans, state);
3029
3030         /* We need to send an interim response then receive the rest
3031            of the parameter/data bytes */
3032         outsize = set_message(outbuf,0,0,False);
3033         show_msg(outbuf);
3034         END_PROFILE(SMBnttrans);
3035         return outsize;
3036
3037   bad_param:
3038
3039         DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3040         SAFE_FREE(state->data);
3041         SAFE_FREE(state->param);
3042         TALLOC_FREE(state);
3043         END_PROFILE(SMBnttrans);
3044         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3045 }
3046
3047 /****************************************************************************
3048  Reply to a SMBnttranss
3049  ****************************************************************************/
3050
3051 int reply_nttranss(connection_struct *conn,  char *inbuf,char *outbuf,
3052                    int size,int bufsize)
3053 {
3054         int outsize = 0;
3055         unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
3056         struct trans_state *state;
3057
3058         START_PROFILE(SMBnttranss);
3059
3060         show_msg(inbuf);
3061
3062         for (state = conn->pending_trans; state != NULL;
3063              state = state->next) {
3064                 if (state->mid == SVAL(inbuf,smb_mid)) {
3065                         break;
3066                 }
3067         }
3068
3069         if ((state == NULL) || (state->cmd != SMBnttrans)) {
3070                 END_PROFILE(SMBnttranss);
3071                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3072         }
3073
3074         /* Revise state->total_param and state->total_data in case they have
3075            changed downwards */
3076         if (IVAL(inbuf, smb_nts_TotalParameterCount) < state->total_param) {
3077                 state->total_param = IVAL(inbuf, smb_nts_TotalParameterCount);
3078         }
3079         if (IVAL(inbuf, smb_nts_TotalDataCount) < state->total_data) {
3080                 state->total_data = IVAL(inbuf, smb_nts_TotalDataCount);
3081         }
3082
3083         pcnt = IVAL(inbuf,smb_nts_ParameterCount);
3084         poff = IVAL(inbuf, smb_nts_ParameterOffset);
3085         pdisp = IVAL(inbuf, smb_nts_ParameterDisplacement);
3086
3087         dcnt = IVAL(inbuf, smb_nts_DataCount);
3088         ddisp = IVAL(inbuf, smb_nts_DataDisplacement);
3089         doff = IVAL(inbuf, smb_nts_DataOffset);
3090
3091         state->received_param += pcnt;
3092         state->received_data += dcnt;
3093
3094         if ((state->received_data > state->total_data) ||
3095             (state->received_param > state->total_param))
3096                 goto bad_param;
3097
3098         if (pcnt) {
3099                 if (pdisp+pcnt > state->total_param)
3100                         goto bad_param;
3101                 if ((pdisp+pcnt < pdisp) || (pdisp+pcnt < pcnt))
3102                         goto bad_param;
3103                 if (pdisp > state->total_param)
3104                         goto bad_param;
3105                 if ((smb_base(inbuf) + poff + pcnt > inbuf + size) ||
3106                     (smb_base(inbuf) + poff + pcnt < smb_base(inbuf)))
3107                         goto bad_param;
3108                 if (state->param + pdisp < state->param)
3109                         goto bad_param;
3110
3111                 memcpy(state->param+pdisp,smb_base(inbuf)+poff,
3112                        pcnt);
3113         }
3114
3115         if (dcnt) {
3116                 if (ddisp+dcnt > state->total_data)
3117                         goto bad_param;
3118                 if ((ddisp+dcnt < ddisp) || (ddisp+dcnt < dcnt))
3119                         goto bad_param;
3120                 if (ddisp > state->total_data)
3121                         goto bad_param;
3122                 if ((smb_base(inbuf) + doff + dcnt > inbuf + size) ||
3123                     (smb_base(inbuf) + doff + dcnt < smb_base(inbuf)))
3124                         goto bad_param;
3125                 if (state->data + ddisp < state->data)
3126                         goto bad_param;
3127
3128                 memcpy(state->data+ddisp, smb_base(inbuf)+doff,
3129                        dcnt);
3130         }
3131
3132         if ((state->received_param < state->total_param) ||
3133             (state->received_data < state->total_data)) {
3134                 END_PROFILE(SMBnttranss);
3135                 return -1;
3136         }
3137
3138         /* construct_reply_common has done us the favor to pre-fill the
3139          * command field with SMBnttranss which is wrong :-)
3140          */
3141         SCVAL(outbuf,smb_com,SMBnttrans);
3142
3143         outsize = handle_nttrans(conn, state, inbuf, outbuf,
3144                                  size, bufsize);
3145
3146         DLIST_REMOVE(conn->pending_trans, state);
3147         SAFE_FREE(state->data);
3148         SAFE_FREE(state->param);
3149         TALLOC_FREE(state);
3150
3151         if (outsize == 0) {
3152                 END_PROFILE(SMBnttranss);
3153                 return(ERROR_DOS(ERRSRV,ERRnosupport));
3154         }
3155
3156         END_PROFILE(SMBnttranss);
3157         return(outsize);
3158
3159   bad_param:
3160
3161         DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3162         DLIST_REMOVE(conn->pending_trans, state);
3163         SAFE_FREE(state->data);
3164         SAFE_FREE(state->param);
3165         TALLOC_FREE(state);
3166         END_PROFILE(SMBnttranss);
3167         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3168 }