source3/smbd/nttrans.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    SMB NT transaction handling
   4    Copyright (C) Jeremy Allison                 1994-1998
   5    Copyright (C) Stefan (metze) Metzmacher      2003
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21
  22 #include "includes.h"
  23
  24 extern int max_send;
  25 extern enum protocol_types Protocol;
  26 extern int smb_read_error;
  27 extern struct current_user current_user;
  28
  29 static const char *known_nt_pipes[] = {
  30         "\\LANMAN",
  31         "\\srvsvc",
  32         "\\samr",
  33         "\\wkssvc",
  34         "\\NETLOGON",
  35         "\\ntlsa",
  36         "\\ntsvcs",
  37         "\\lsass",
  38         "\\lsarpc",
  39         "\\winreg",
  40         "\\initshutdown",
  41         "\\spoolss",
  42         "\\netdfs",
  43         "\\rpcecho",
  44         "\\svcctl",
  45         "\\eventlog",
  46         "\\unixinfo",
  47         NULL
  48 };
  49
  50 static char *nttrans_realloc(char **ptr, size_t size)
  51 {
  52         if (ptr==NULL) {
  53                 smb_panic("nttrans_realloc() called with NULL ptr\n");
  54         }
  55
  56         *ptr = (char *)SMB_REALLOC(*ptr, size);
  57         if(*ptr == NULL) {
  58                 return NULL;
  59         }
  60         memset(*ptr,'\0',size);
  61         return *ptr;
  62 }
  63
  64 /****************************************************************************
  65  Send the required number of replies back.
  66  We assume all fields other than the data fields are
  67  set correctly for the type of call.
  68  HACK ! Always assumes smb_setup field is zero.
  69 ****************************************************************************/
  70
  71 int send_nt_replies(char *outbuf, int bufsize, NTSTATUS nt_error,
  72                     char *params, int paramsize, char *pdata, int datasize)
  73 {
  74         int data_to_send = datasize;
  75         int params_to_send = paramsize;
  76         int useable_space;
  77         char *pp = params;
  78         char *pd = pdata;
  79         int params_sent_thistime, data_sent_thistime, total_sent_thistime;
  80         int alignment_offset = 3;
  81         int data_alignment_offset = 0;
  82
  83         /*
  84          * Initially set the wcnt area to be 18 - this is true for all
  85          * transNT replies.
  86          */
  87
  88         set_message(outbuf,18,0,True);
  89
  90         if (NT_STATUS_V(nt_error)) {
  91                 ERROR_NT(nt_error);
  92         }
  93
  94         /*
  95          * If there genuinely are no parameters or data to send just send
  96          * the empty packet.
  97          */
  98
  99         if(params_to_send == 0 && data_to_send == 0) {
 100                 show_msg(outbuf);
 101                 if (!send_smb(smbd_server_fd(),outbuf)) {
 102                         exit_server_cleanly("send_nt_replies: send_smb failed.");
 103                 }
 104                 return 0;
 105         }
 106
 107         /*
 108          * When sending params and data ensure that both are nicely aligned.
 109          * Only do this alignment when there is also data to send - else
 110          * can cause NT redirector problems.
 111          */
 112
 113         if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
 114                 data_alignment_offset = 4 - (params_to_send % 4);
 115         }
 116
 117         /*
 118          * Space is bufsize minus Netbios over TCP header minus SMB header.
 119          * The alignment_offset is to align the param bytes on a four byte
 120          * boundary (2 bytes for data len, one byte pad).
 121          * NT needs this to work correctly.
 122          */
 123
 124         useable_space = bufsize - ((smb_buf(outbuf)+
 125                                 alignment_offset+data_alignment_offset) -
 126                                 outbuf);
 127
 128         /*
 129          * useable_space can never be more than max_send minus the
 130          * alignment offset.
 131          */
 132
 133         useable_space = MIN(useable_space,
 134                                 max_send - (alignment_offset+data_alignment_offset));
 135
 136
 137         while (params_to_send || data_to_send) {
 138
 139                 /*
 140                  * Calculate whether we will totally or partially fill this packet.
 141                  */
 142
 143                 total_sent_thistime = params_to_send + data_to_send +
 144                                         alignment_offset + data_alignment_offset;
 145
 146                 /*
 147                  * We can never send more than useable_space.
 148                  */
 149
 150                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
 151
 152                 set_message(outbuf, 18, total_sent_thistime, True);
 153
 154                 /*
 155                  * Set total params and data to be sent.
 156                  */
 157
 158                 SIVAL(outbuf,smb_ntr_TotalParameterCount,paramsize);
 159                 SIVAL(outbuf,smb_ntr_TotalDataCount,datasize);
 160
 161                 /*
 162                  * Calculate how many parameters and data we can fit into
 163                  * this packet. Parameters get precedence.
 164                  */
 165
 166                 params_sent_thistime = MIN(params_to_send,useable_space);
 167                 data_sent_thistime = useable_space - params_sent_thistime;
 168                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
 169
 170                 SIVAL(outbuf,smb_ntr_ParameterCount,params_sent_thistime);
 171
 172                 if(params_sent_thistime == 0) {
 173                         SIVAL(outbuf,smb_ntr_ParameterOffset,0);
 174                         SIVAL(outbuf,smb_ntr_ParameterDisplacement,0);
 175                 } else {
 176                         /*
 177                          * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
 178                          * parameter bytes, however the first 4 bytes of outbuf are
 179                          * the Netbios over TCP header. Thus use smb_base() to subtract
 180                          * them from the calculation.
 181                          */
 182
 183                         SIVAL(outbuf,smb_ntr_ParameterOffset,
 184                                 ((smb_buf(outbuf)+alignment_offset) - smb_base(outbuf)));
 185                         /*
 186                          * Absolute displacement of param bytes sent in this packet.
 187                          */
 188
 189                         SIVAL(outbuf,smb_ntr_ParameterDisplacement,pp - params);
 190                 }
 191
 192                 /*
 193                  * Deal with the data portion.
 194                  */
 195
 196                 SIVAL(outbuf,smb_ntr_DataCount, data_sent_thistime);
 197
 198                 if(data_sent_thistime == 0) {
 199                         SIVAL(outbuf,smb_ntr_DataOffset,0);
 200                         SIVAL(outbuf,smb_ntr_DataDisplacement, 0);
 201                 } else {
 202                         /*
 203                          * The offset of the data bytes is the offset of the
 204                          * parameter bytes plus the number of parameters being sent this time.
 205                          */
 206
 207                         SIVAL(outbuf,smb_ntr_DataOffset,((smb_buf(outbuf)+alignment_offset) -
 208                                 smb_base(outbuf)) + params_sent_thistime + data_alignment_offset);
 209                                 SIVAL(outbuf,smb_ntr_DataDisplacement, pd - pdata);
 210                 }
 211
 212                 /*
 213                  * Copy the param bytes into the packet.
 214                  */
 215
 216                 if(params_sent_thistime) {
 217                         memcpy((smb_buf(outbuf)+alignment_offset),pp,params_sent_thistime);
 218                 }
 219
 220                 /*
 221                  * Copy in the data bytes
 222                  */
 223
 224                 if(data_sent_thistime) {
 225                         memcpy(smb_buf(outbuf)+alignment_offset+params_sent_thistime+
 226                                 data_alignment_offset,pd,data_sent_thistime);
 227                 }
 228
 229                 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
 230                         params_sent_thistime, data_sent_thistime, useable_space));
 231                 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
 232                         params_to_send, data_to_send, paramsize, datasize));
 233
 234                 /* Send the packet */
 235                 show_msg(outbuf);
 236                 if (!send_smb(smbd_server_fd(),outbuf)) {
 237                         exit_server_cleanly("send_nt_replies: send_smb failed.");
 238                 }
 239
 240                 pp += params_sent_thistime;
 241                 pd += data_sent_thistime;
 242
 243                 params_to_send -= params_sent_thistime;
 244                 data_to_send -= data_sent_thistime;
 245
 246                 /*
 247                  * Sanity check
 248                  */
 249
 250                 if(params_to_send < 0 || data_to_send < 0) {
 251                         DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
 252                                 params_to_send, data_to_send));
 253                         return -1;
 254                 }
 255         }
 256
 257         return 0;
 258 }
 259
 260 /****************************************************************************
 261  Is it an NTFS stream name ?
 262 ****************************************************************************/
 263
 264 BOOL is_ntfs_stream_name(const char *fname)
 265 {
 266         if (lp_posix_pathnames()) {
 267                 return False;
 268         }
 269         return (strchr_m(fname, ':') != NULL) ? True : False;
 270 }
 271
 272 /****************************************************************************
 273  Save case statics.
 274 ****************************************************************************/
 275
 276 static BOOL saved_case_sensitive;
 277 static BOOL saved_case_preserve;
 278 static BOOL saved_short_case_preserve;
 279
 280 /****************************************************************************
 281  Save case semantics.
 282 ****************************************************************************/
 283
 284 static void set_posix_case_semantics(connection_struct *conn, uint32 file_attributes)
 285 {
 286         if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS)) {
 287                 return;
 288         }
 289
 290         saved_case_sensitive = conn->case_sensitive;
 291         saved_case_preserve = conn->case_preserve;
 292         saved_short_case_preserve = conn->short_case_preserve;
 293
 294         /* Set to POSIX. */
 295         conn->case_sensitive = True;
 296         conn->case_preserve = True;
 297         conn->short_case_preserve = True;
 298 }
 299
 300 /****************************************************************************
 301  Restore case semantics.
 302 ****************************************************************************/
 303
 304 static void restore_case_semantics(connection_struct *conn, uint32 file_attributes)
 305 {
 306         if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS)) {
 307                 return;
 308         }
 309
 310         conn->case_sensitive = saved_case_sensitive;
 311         conn->case_preserve = saved_case_preserve;
 312         conn->short_case_preserve = saved_short_case_preserve;
 313 }
 314
 315 /****************************************************************************
 316  Reply to an NT create and X call on a pipe.
 317 ****************************************************************************/
 318
 319 static int nt_open_pipe(char *fname, connection_struct *conn,
 320                         char *inbuf, char *outbuf, int *ppnum)
 321 {
 322         smb_np_struct *p = NULL;
 323         uint16 vuid = SVAL(inbuf, smb_uid);
 324         int i;
 325
 326         DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
 327
 328         /* See if it is one we want to handle. */
 329
 330         if (lp_disable_spoolss() && strequal(fname, "\\spoolss")) {
 331                 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
 332         }
 333
 334         for( i = 0; known_nt_pipes[i]; i++ ) {
 335                 if( strequal(fname,known_nt_pipes[i])) {
 336                         break;
 337                 }
 338         }
 339
 340         if ( known_nt_pipes[i] == NULL ) {
 341                 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
 342         }
 343
 344         /* Strip \\ off the name. */
 345         fname++;
 346
 347         DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
 348
 349         p = open_rpc_pipe_p(fname, conn, vuid);
 350         if (!p) {
 351                 return(ERROR_DOS(ERRSRV,ERRnofids));
 352         }
 353
 354         /* TODO: Add pipe to db */
 355
 356         if ( !store_pipe_opendb( p ) ) {
 357                 DEBUG(3,("nt_open_pipe: failed to store %s pipe open.\n", fname));
 358         }
 359
 360         *ppnum = p->pnum;
 361         return 0;
 362 }
 363
 364 /****************************************************************************
 365  Reply to an NT create and X call for pipes.
 366 ****************************************************************************/
 367
 368 static int do_ntcreate_pipe_open(connection_struct *conn,
 369                          char *inbuf,char *outbuf,int length,int bufsize)
 370 {
 371         pstring fname;
 372         int ret;
 373         int pnum = -1;
 374         char *p = NULL;
 375
 376         srvstr_pull_buf(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE);
 377
 378         if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0) {
 379                 return ret;
 380         }
 381
 382         /*
 383          * Deal with pipe return.
 384          */
 385
 386         set_message(outbuf,34,0,True);
 387
 388         p = outbuf + smb_vwv2;
 389         p++;
 390         SSVAL(p,0,pnum);
 391         p += 2;
 392         SIVAL(p,0,FILE_WAS_OPENED);
 393         p += 4;
 394         p += 32;
 395         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 396         p += 20;
 397         /* File type. */
 398         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 399         /* Device state. */
 400         SSVAL(p,2, 0x5FF); /* ? */
 401
 402         DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
 403
 404         return chain_reply(inbuf,outbuf,length,bufsize);
 405 }
 406
 407 /****************************************************************************
 408  Reply to an NT create and X call for a quota file.
 409 ****************************************************************************/
 410
 411 int reply_ntcreate_and_X_quota(connection_struct *conn,
 412                                 char *inbuf,
 413                                 char *outbuf,
 414                                 int length,
 415                                 int bufsize,
 416                                 enum FAKE_FILE_TYPE fake_file_type,
 417                                 const char *fname)
 418 {
 419         int result;
 420         char *p;
 421         uint32 desired_access = IVAL(inbuf,smb_ntcreate_DesiredAccess);
 422         files_struct *fsp;
 423         NTSTATUS status;
 424
 425         status = open_fake_file(conn, fake_file_type, fname, desired_access,
 426                                 &fsp);
 427
 428         if (!NT_STATUS_IS_OK(status)) {
 429                 return ERROR_NT(status);
 430         }
 431
 432         set_message(outbuf,34,0,True);
 433
 434         p = outbuf + smb_vwv2;
 435
 436         /* SCVAL(p,0,NO_OPLOCK_RETURN); */
 437         p++;
 438         SSVAL(p,0,fsp->fnum);
 439
 440         DEBUG(5,("reply_ntcreate_and_X_quota: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
 441
 442         result = chain_reply(inbuf,outbuf,length,bufsize);
 443         return result;
 444 }
 445
 446 /****************************************************************************
 447  Reply to an NT create and X call.
 448 ****************************************************************************/
 449
 450 int reply_ntcreate_and_X(connection_struct *conn,
 451                          char *inbuf,char *outbuf,int length,int bufsize)
 452 {
 453         int result;
 454         pstring fname;
 455         uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
 456         uint32 access_mask = IVAL(inbuf,smb_ntcreate_DesiredAccess);
 457         uint32 file_attributes = IVAL(inbuf,smb_ntcreate_FileAttributes);
 458         uint32 share_access = IVAL(inbuf,smb_ntcreate_ShareAccess);
 459         uint32 create_disposition = IVAL(inbuf,smb_ntcreate_CreateDisposition);
 460         uint32 create_options = IVAL(inbuf,smb_ntcreate_CreateOptions);
 461         uint16 root_dir_fid = (uint16)IVAL(inbuf,smb_ntcreate_RootDirectoryFid);
 462         /* Breakout the oplock request bits so we can set the
 463            reply bits separately. */
 464         int oplock_request = 0;
 465         uint32 fattr=0;
 466         SMB_OFF_T file_len = 0;
 467         SMB_STRUCT_STAT sbuf;
 468         int info = 0;
 469         files_struct *fsp=NULL;
 470         char *p = NULL;
 471         struct timespec c_timespec;
 472         struct timespec a_timespec;
 473         struct timespec m_timespec;
 474         BOOL extended_oplock_granted = False;
 475         NTSTATUS status;
 476
 477         START_PROFILE(SMBntcreateX);
 478
 479         DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
 480                   "file_attributes = 0x%x, share_access = 0x%x, "
 481                   "create_disposition = 0x%x create_options = 0x%x "
 482                   "root_dir_fid = 0x%x\n",
 483                         (unsigned int)flags,
 484                         (unsigned int)access_mask,
 485                         (unsigned int)file_attributes,
 486                         (unsigned int)share_access,
 487                         (unsigned int)create_disposition,
 488                         (unsigned int)create_options,
 489                         (unsigned int)root_dir_fid ));
 490
 491         /* If it's an IPC, use the pipe handler. */
 492
 493         if (IS_IPC(conn)) {
 494                 if (lp_nt_pipe_support()) {
 495                         END_PROFILE(SMBntcreateX);
 496                         return do_ntcreate_pipe_open(conn,inbuf,outbuf,length,bufsize);
 497                 } else {
 498                         END_PROFILE(SMBntcreateX);
 499                         return(ERROR_DOS(ERRDOS,ERRnoaccess));
 500                 }
 501         }
 502
 503         if (create_options & FILE_OPEN_BY_FILE_ID) {
 504                 END_PROFILE(SMBntcreateX);
 505                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
 506         }
 507
 508         /*
 509          * Get the file name.
 510          */
 511
 512         if(root_dir_fid != 0) {
 513                 /*
 514                  * This filename is relative to a directory fid.
 515                  */
 516                 pstring rel_fname;
 517                 files_struct *dir_fsp = file_fsp(inbuf,smb_ntcreate_RootDirectoryFid);
 518                 size_t dir_name_len;
 519
 520                 if(!dir_fsp) {
 521                         END_PROFILE(SMBntcreateX);
 522                         return(ERROR_DOS(ERRDOS,ERRbadfid));
 523                 }
 524
 525                 if(!dir_fsp->is_directory) {
 526
 527                         srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status);
 528                         if (!NT_STATUS_IS_OK(status)) {
 529                                 END_PROFILE(SMBntcreateX);
 530                                 return ERROR_NT(status);
 531                         }
 532
 533                         /*
 534                          * Check to see if this is a mac fork of some kind.
 535                          */
 536
 537                         if( is_ntfs_stream_name(fname)) {
 538                                 END_PROFILE(SMBntcreateX);
 539                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 540                         }
 541
 542                         /*
 543                           we need to handle the case when we get a
 544                           relative open relative to a file and the
 545                           pathname is blank - this is a reopen!
 546                           (hint from demyn plantenberg)
 547                         */
 548
 549                         END_PROFILE(SMBntcreateX);
 550                         return(ERROR_DOS(ERRDOS,ERRbadfid));
 551                 }
 552
 553                 /*
 554                  * Copy in the base directory name.
 555                  */
 556
 557                 pstrcpy( fname, dir_fsp->fsp_name );
 558                 dir_name_len = strlen(fname);
 559
 560                 /*
 561                  * Ensure it ends in a '\'.
 562                  */
 563
 564                 if(fname[dir_name_len-1] != '\\' && fname[dir_name_len-1] != '/') {
 565                         pstrcat(fname, "/");
 566                         dir_name_len++;
 567                 }
 568
 569                 srvstr_get_path(inbuf, rel_fname, smb_buf(inbuf), sizeof(rel_fname), 0, STR_TERMINATE, &status);
 570                 if (!NT_STATUS_IS_OK(status)) {
 571                         END_PROFILE(SMBntcreateX);
 572                         return ERROR_NT(status);
 573                 }
 574                 pstrcat(fname, rel_fname);
 575         } else {
 576                 srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status);
 577                 if (!NT_STATUS_IS_OK(status)) {
 578                         END_PROFILE(SMBntcreateX);
 579                         return ERROR_NT(status);
 580                 }
 581
 582                 /*
 583                  * Check to see if this is a mac fork of some kind.
 584                  */
 585
 586                 if( is_ntfs_stream_name(fname)) {
 587                         enum FAKE_FILE_TYPE fake_file_type = is_fake_file(fname);
 588                         if (fake_file_type!=FAKE_FILE_TYPE_NONE) {
 589                                 /*
 590                                  * Here we go! support for changing the disk quotas --metze
 591                                  *
 592                                  * We need to fake up to open this MAGIC QUOTA file
 593                                  * and return a valid FID.
 594                                  *
 595                                  * w2k close this file directly after openening
 596                                  * xp also tries a QUERY_FILE_INFO on the file and then close it
 597                                  */
 598                                 result = reply_ntcreate_and_X_quota(conn, inbuf, outbuf, length, bufsize,
 599                                                                 fake_file_type, fname);
 600                                 END_PROFILE(SMBntcreateX);
 601                                 return result;
 602                         } else {
 603                                 END_PROFILE(SMBntcreateX);
 604                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 605                         }
 606                 }
 607         }
 608
 609         /*
 610          * Now contruct the smb_open_mode value from the filename,
 611          * desired access and the share access.
 612          */
 613         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
 614
 615         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 616         if (oplock_request) {
 617                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
 618         }
 619
 620         /*
 621          * Ordinary file or directory.
 622          */
 623
 624         /*
 625          * Check if POSIX semantics are wanted.
 626          */
 627
 628         set_posix_case_semantics(conn, file_attributes);
 629
 630         status = unix_convert(conn, fname, False, NULL, &sbuf);
 631         if (!NT_STATUS_IS_OK(status)) {
 632                 restore_case_semantics(conn, file_attributes);
 633                 END_PROFILE(SMBntcreateX);
 634                 return ERROR_NT(status);
 635         }
 636         /* All file access must go through check_name() */
 637         status = check_name(conn, fname);
 638         if (!NT_STATUS_IS_OK(status)) {
 639                 restore_case_semantics(conn, file_attributes);
 640                 END_PROFILE(SMBntcreateX);
 641                 return ERROR_NT(status);
 642         }
 643
 644         /* This is the correct thing to do (check every time) but can_delete is
 645            expensive (it may have to read the parent directory permissions). So
 646            for now we're not doing it unless we have a strong hint the client
 647            is really going to delete this file. If the client is forcing FILE_CREATE
 648            let the filesystem take care of the permissions. */
 649
 650         /* Setting FILE_SHARE_DELETE is the hint. */
 651
 652         if (lp_acl_check_permissions(SNUM(conn))
 653             && (create_disposition != FILE_CREATE)
 654             && (share_access & FILE_SHARE_DELETE)
 655             && (access_mask & DELETE_ACCESS)) {
 656                 if ((dos_mode(conn, fname, &sbuf) & FILE_ATTRIBUTE_READONLY) ||
 657                                 !can_delete_file_in_directory(conn, fname)) {
 658                         restore_case_semantics(conn, file_attributes);
 659                         END_PROFILE(SMBntcreateX);
 660                         return ERROR_NT(NT_STATUS_ACCESS_DENIED);
 661                 }
 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         files_struct *fsp = NULL;
1094         char *p = NULL;
1095         BOOL extended_oplock_granted = False;
1096         uint32 flags;
1097         uint32 access_mask;
1098         uint32 file_attributes;
1099         uint32 share_access;
1100         uint32 create_disposition;
1101         uint32 create_options;
1102         uint32 sd_len;
1103         uint32 ea_len;
1104         uint16 root_dir_fid;
1105         struct timespec c_timespec;
1106         struct timespec a_timespec;
1107         struct timespec m_timespec;
1108         struct ea_list *ea_list = NULL;
1109         TALLOC_CTX *ctx = NULL;
1110         char *pdata = NULL;
1111         NTSTATUS status;
1112
1113         DEBUG(5,("call_nt_transact_create\n"));
1114
1115         /*
1116          * If it's an IPC, use the pipe handler.
1117          */
1118
1119         if (IS_IPC(conn)) {
1120                 if (lp_nt_pipe_support()) {
1121                         return do_nt_transact_create_pipe(conn, inbuf, outbuf, length,
1122                                         bufsize,
1123                                         ppsetup, setup_count,
1124                                         ppparams, parameter_count,
1125                                         ppdata, data_count);
1126                 } else {
1127                         return ERROR_DOS(ERRDOS,ERRnoaccess);
1128                 }
1129         }
1130
1131         /*
1132          * Ensure minimum number of parameters sent.
1133          */
1134
1135         if(parameter_count < 54) {
1136                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1137                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1138         }
1139
1140         flags = IVAL(params,0);
1141         access_mask = IVAL(params,8);
1142         file_attributes = IVAL(params,20);
1143         share_access = IVAL(params,24);
1144         create_disposition = IVAL(params,28);
1145         create_options = IVAL(params,32);
1146         sd_len = IVAL(params,36);
1147         ea_len = IVAL(params,40);
1148         root_dir_fid = (uint16)IVAL(params,4);
1149
1150         /* Ensure the data_len is correct for the sd and ea values given. */
1151         if ((ea_len + sd_len > data_count) ||
1152                         (ea_len > data_count) || (sd_len > data_count) ||
1153                         (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1154                 DEBUG(10,("call_nt_transact_create - ea_len = %u, sd_len = %u, data_count = %u\n",
1155                         (unsigned int)ea_len, (unsigned int)sd_len, (unsigned int)data_count ));
1156                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1157         }
1158
1159         if (ea_len) {
1160                 if (!lp_ea_support(SNUM(conn))) {
1161                         DEBUG(10,("call_nt_transact_create - ea_len = %u but EA's not supported.\n",
1162                                 (unsigned int)ea_len ));
1163                         return ERROR_NT(NT_STATUS_EAS_NOT_SUPPORTED);
1164                 }
1165
1166                 if (ea_len < 10) {
1167                         DEBUG(10,("call_nt_transact_create - ea_len = %u - too small (should be more than 10)\n",
1168                                 (unsigned int)ea_len ));
1169                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1170                 }
1171         }
1172
1173         if (create_options & FILE_OPEN_BY_FILE_ID) {
1174                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1175         }
1176
1177         /*
1178          * Get the file name.
1179          */
1180
1181         if(root_dir_fid != 0) {
1182                 /*
1183                  * This filename is relative to a directory fid.
1184                  */
1185                 files_struct *dir_fsp = file_fsp(params,4);
1186                 size_t dir_name_len;
1187
1188                 if(!dir_fsp) {
1189                         return ERROR_DOS(ERRDOS,ERRbadfid);
1190                 }
1191
1192                 if(!dir_fsp->is_directory) {
1193                         srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
1194                         if (!NT_STATUS_IS_OK(status)) {
1195                                 return ERROR_NT(status);
1196                         }
1197
1198                         /*
1199                          * Check to see if this is a mac fork of some kind.
1200                          */
1201
1202                         if( is_ntfs_stream_name(fname)) {
1203                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1204                         }
1205
1206                         return ERROR_DOS(ERRDOS,ERRbadfid);
1207                 }
1208
1209                 /*
1210                  * Copy in the base directory name.
1211                  */
1212
1213                 pstrcpy( fname, dir_fsp->fsp_name );
1214                 dir_name_len = strlen(fname);
1215
1216                 /*
1217                  * Ensure it ends in a '\'.
1218                  */
1219
1220                 if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
1221                         pstrcat(fname, "/");
1222                         dir_name_len++;
1223                 }
1224
1225                 {
1226                         pstring tmpname;
1227                         srvstr_get_path(inbuf, tmpname, params+53, sizeof(tmpname), parameter_count-53, STR_TERMINATE, &status);
1228                         if (!NT_STATUS_IS_OK(status)) {
1229                                 return ERROR_NT(status);
1230                         }
1231                         pstrcat(fname, tmpname);
1232                 }
1233         } else {
1234                 srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
1235                 if (!NT_STATUS_IS_OK(status)) {
1236                         return ERROR_NT(status);
1237                 }
1238
1239                 /*
1240                  * Check to see if this is a mac fork of some kind.
1241                  */
1242
1243                 if( is_ntfs_stream_name(fname)) {
1244                         return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1245                 }
1246         }
1247
1248         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1249         oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1250
1251         /*
1252          * Check if POSIX semantics are wanted.
1253          */
1254
1255         set_posix_case_semantics(conn, file_attributes);
1256
1257         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
1258
1259         status = unix_convert(conn, fname, False, NULL, &sbuf);
1260         if (!NT_STATUS_IS_OK(status)) {
1261                 restore_case_semantics(conn, file_attributes);
1262                 return ERROR_NT(status);
1263         }
1264         /* All file access must go through check_name() */
1265         status = check_name(conn, fname);
1266         if (!NT_STATUS_IS_OK(status)) {
1267                 restore_case_semantics(conn, file_attributes);
1268                 return ERROR_NT(status);
1269         }
1270
1271         /* This is the correct thing to do (check every time) but can_delete is
1272            expensive (it may have to read the parent directory permissions). So
1273            for now we're not doing it unless we have a strong hint the client
1274            is really going to delete this file. If the client is forcing FILE_CREATE
1275            let the filesystem take care of the permissions. */
1276
1277         /* Setting FILE_SHARE_DELETE is the hint. */
1278
1279         if (lp_acl_check_permissions(SNUM(conn))
1280             && (create_disposition != FILE_CREATE)
1281             && (share_access & FILE_SHARE_DELETE)
1282             && (access_mask & DELETE_ACCESS)) {
1283                 if ((dos_mode(conn, fname, &sbuf) & FILE_ATTRIBUTE_READONLY) ||
1284                                 !can_delete_file_in_directory(conn, fname)) {
1285                         restore_case_semantics(conn, file_attributes);
1286                         return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1287                 }
1288         }
1289
1290         if (ea_len) {
1291                 pdata = data + sd_len;
1292
1293                 /* We have already checked that ea_len <= data_count here. */
1294                 ea_list = read_nttrans_ea_list(tmp_talloc_ctx(), pdata,
1295                                                ea_len);
1296                 if (!ea_list ) {
1297                         restore_case_semantics(conn, file_attributes);
1298                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1299                 }
1300         }
1301
1302         /*
1303          * If it's a request for a directory open, deal with it separately.
1304          */
1305
1306         if(create_options & FILE_DIRECTORY_FILE) {
1307
1308                 /* Can't open a temp directory. IFS kit test. */
1309                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
1310                         restore_case_semantics(conn, file_attributes);
1311                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1312                 }
1313
1314                 oplock_request = 0;
1315
1316                 /*
1317                  * We will get a create directory here if the Win32
1318                  * app specified a security descriptor in the
1319                  * CreateDirectory() call.
1320                  */
1321
1322                 status = open_directory(conn, fname, &sbuf,
1323                                         access_mask,
1324                                         share_access,
1325                                         create_disposition,
1326                                         create_options,
1327                                         &info, &fsp);
1328                 if(!NT_STATUS_IS_OK(status)) {
1329                         restore_case_semantics(conn, file_attributes);
1330                         return ERROR_NT(status);
1331                 }
1332
1333         } else {
1334
1335                 /*
1336                  * Ordinary file case.
1337                  */
1338
1339                 status = open_file_ntcreate(conn,fname,&sbuf,
1340                                         access_mask,
1341                                         share_access,
1342                                         create_disposition,
1343                                         create_options,
1344                                         file_attributes,
1345                                         oplock_request,
1346                                         &info, &fsp);
1347
1348                 if (!NT_STATUS_IS_OK(status)) {
1349                         if (NT_STATUS_EQUAL(status,
1350                                             NT_STATUS_FILE_IS_A_DIRECTORY)) {
1351
1352                                 /*
1353                                  * Fail the open if it was explicitly a non-directory file.
1354                                  */
1355
1356                                 if (create_options & FILE_NON_DIRECTORY_FILE) {
1357                                         restore_case_semantics(conn, file_attributes);
1358                                         return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
1359                                 }
1360
1361                                 oplock_request = 0;
1362                                 status = open_directory(conn, fname, &sbuf,
1363                                                         access_mask,
1364                                                         share_access,
1365                                                         create_disposition,
1366                                                         create_options,
1367                                                         &info, &fsp);
1368                                 if(!NT_STATUS_IS_OK(status)) {
1369                                         restore_case_semantics(conn, file_attributes);
1370                                         return ERROR_NT(status);
1371                                 }
1372                         } else {
1373                                 restore_case_semantics(conn, file_attributes);
1374                                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1375                                         /* We have re-scheduled this call. */
1376                                         return -1;
1377                                 }
1378                                 return ERROR_NT(status);
1379                         }
1380                 }
1381         }
1382
1383         /*
1384          * According to the MS documentation, the only time the security
1385          * descriptor is applied to the opened file is iff we *created* the
1386          * file; an existing file stays the same.
1387          *
1388          * Also, it seems (from observation) that you can open the file with
1389          * any access mask but you can still write the sd. We need to override
1390          * the granted access before we call set_sd
1391          * Patch for bug #2242 from Tom Lackemann <cessnatomny@yahoo.com>.
1392          */
1393
1394         if (lp_nt_acl_support(SNUM(conn)) && sd_len && info == FILE_WAS_CREATED) {
1395                 uint32 saved_access_mask = fsp->access_mask;
1396
1397                 /* We have already checked that sd_len <= data_count here. */
1398
1399                 fsp->access_mask = FILE_GENERIC_ALL;
1400
1401                 status = set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION);
1402                 if (!NT_STATUS_IS_OK(status)) {
1403                         talloc_destroy(ctx);
1404                         close_file(fsp,ERROR_CLOSE);
1405                         restore_case_semantics(conn, file_attributes);
1406                         return ERROR_NT(status);
1407                 }
1408                 fsp->access_mask = saved_access_mask;
1409         }
1410
1411         if (ea_len && (info == FILE_WAS_CREATED)) {
1412                 status = set_ea(conn, fsp, fname, ea_list);
1413                 if (!NT_STATUS_IS_OK(status)) {
1414                         close_file(fsp,ERROR_CLOSE);
1415                         restore_case_semantics(conn, file_attributes);
1416                         return ERROR_NT(status);
1417                 }
1418         }
1419
1420         restore_case_semantics(conn, file_attributes);
1421
1422         file_len = sbuf.st_size;
1423         fattr = dos_mode(conn,fname,&sbuf);
1424         if(fattr == 0) {
1425                 fattr = FILE_ATTRIBUTE_NORMAL;
1426         }
1427         if (!fsp->is_directory && (fattr & aDIR)) {
1428                 close_file(fsp,ERROR_CLOSE);
1429                 return ERROR_DOS(ERRDOS,ERRnoaccess);
1430         }
1431
1432         /* Save the requested allocation size. */
1433         if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
1434                 SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(params,12);
1435 #ifdef LARGE_SMB_OFF_T
1436                 allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
1437 #endif
1438                 if (allocation_size && (allocation_size > file_len)) {
1439                         fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
1440                         if (fsp->is_directory) {
1441                                 close_file(fsp,ERROR_CLOSE);
1442                                 /* Can't set allocation size on a directory. */
1443                                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1444                         }
1445                         if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1446                                 close_file(fsp,ERROR_CLOSE);
1447                                 return ERROR_NT(NT_STATUS_DISK_FULL);
1448                         }
1449                 } else {
1450                         fsp->initial_allocation_size = smb_roundup(fsp->conn, (SMB_BIG_UINT)file_len);
1451                 }
1452         }
1453
1454         /*
1455          * If the caller set the extended oplock request bit
1456          * and we granted one (by whatever means) - set the
1457          * correct bit for extended oplock reply.
1458          */
1459
1460         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1461                 extended_oplock_granted = True;
1462         }
1463
1464         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1465                 extended_oplock_granted = True;
1466         }
1467
1468         /* Realloc the size of parameters and data we will return */
1469         params = nttrans_realloc(ppparams, 69);
1470         if(params == NULL) {
1471                 return ERROR_DOS(ERRDOS,ERRnomem);
1472         }
1473
1474         p = params;
1475         if (extended_oplock_granted) {
1476                 if (flags & REQUEST_BATCH_OPLOCK) {
1477                         SCVAL(p,0, BATCH_OPLOCK_RETURN);
1478                 } else {
1479                         SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
1480                 }
1481         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1482                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
1483         } else {
1484                 SCVAL(p,0,NO_OPLOCK_RETURN);
1485         }
1486
1487         p += 2;
1488         SSVAL(p,0,fsp->fnum);
1489         p += 2;
1490         if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
1491                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1492         } else {
1493                 SIVAL(p,0,info);
1494         }
1495         p += 8;
1496
1497         /* Create time. */
1498         c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1499         a_timespec = get_atimespec(&sbuf);
1500         m_timespec = get_mtimespec(&sbuf);
1501
1502         if (lp_dos_filetime_resolution(SNUM(conn))) {
1503                 dos_filetime_timespec(&c_timespec);
1504                 dos_filetime_timespec(&a_timespec);
1505                 dos_filetime_timespec(&m_timespec);
1506         }
1507
1508         put_long_date_timespec(p, c_timespec); /* create time. */
1509         p += 8;
1510         put_long_date_timespec(p, a_timespec); /* access time */
1511         p += 8;
1512         put_long_date_timespec(p, m_timespec); /* write time */
1513         p += 8;
1514         put_long_date_timespec(p, m_timespec); /* change time */
1515         p += 8;
1516         SIVAL(p,0,fattr); /* File Attributes. */
1517         p += 4;
1518         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1519         p += 8;
1520         SOFF_T(p,0,file_len);
1521         p += 8;
1522         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1523                 SSVAL(p,2,0x7);
1524         }
1525         p += 4;
1526         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1527
1528         DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
1529
1530         /* Send the required number of replies */
1531         send_nt_replies(outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
1532
1533         return -1;
1534 }
1535
1536 /****************************************************************************
1537  Reply to a NT CANCEL request.
1538  conn POINTER CAN BE NULL HERE !
1539 ****************************************************************************/
1540
1541 int reply_ntcancel(connection_struct *conn,
1542                    char *inbuf,char *outbuf,int length,int bufsize)
1543 {
1544         /*
1545          * Go through and cancel any pending change notifies.
1546          */
1547
1548         int mid = SVAL(inbuf,smb_mid);
1549         START_PROFILE(SMBntcancel);
1550         remove_pending_change_notify_requests_by_mid(mid);
1551         remove_pending_lock_requests_by_mid(mid);
1552         srv_cancel_sign_response(mid);
1553
1554         DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", mid));
1555
1556         END_PROFILE(SMBntcancel);
1557         return(-1);
1558 }
1559
1560 /****************************************************************************
1561  Copy a file.
1562 ****************************************************************************/
1563
1564 static NTSTATUS copy_internals(connection_struct *conn, char *oldname, char *newname, uint32 attrs)
1565 {
1566         SMB_STRUCT_STAT sbuf1, sbuf2;
1567         pstring last_component_oldname;
1568         pstring last_component_newname;
1569         files_struct *fsp1,*fsp2;
1570         uint32 fattr;
1571         int info;
1572         SMB_OFF_T ret=-1;
1573         int close_ret;
1574         NTSTATUS status = NT_STATUS_OK;
1575
1576         ZERO_STRUCT(sbuf1);
1577         ZERO_STRUCT(sbuf2);
1578
1579         if (!CAN_WRITE(conn)) {
1580                 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1581         }
1582
1583         status = unix_convert(conn, oldname, False, last_component_oldname, &sbuf1);
1584         if (!NT_STATUS_IS_OK(status)) {
1585                 return status;
1586         }
1587
1588         /* Source must already exist. */
1589         if (!VALID_STAT(sbuf1)) {
1590                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1591         }
1592         status = check_name(conn, oldname);
1593         if (!NT_STATUS_IS_OK(status)) {
1594                 return status;
1595         }
1596
1597         /* Ensure attributes match. */
1598         fattr = dos_mode(conn,oldname,&sbuf1);
1599         if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1600                 return NT_STATUS_NO_SUCH_FILE;
1601         }
1602
1603         status = unix_convert(conn, newname, False, last_component_newname, &sbuf2);
1604         if (!NT_STATUS_IS_OK(status)) {
1605                 return status;
1606         }
1607
1608         /* Disallow if newname already exists. */
1609         if (VALID_STAT(sbuf2)) {
1610                 return NT_STATUS_OBJECT_NAME_COLLISION;
1611         }
1612
1613         status = check_name(conn, newname);
1614         if (!NT_STATUS_IS_OK(status)) {
1615                 return status;
1616         }
1617
1618         /* No links from a directory. */
1619         if (S_ISDIR(sbuf1.st_mode)) {
1620                 return NT_STATUS_FILE_IS_A_DIRECTORY;
1621         }
1622
1623         /* Ensure this is within the share. */
1624         status = reduce_name(conn, oldname);
1625         if (!NT_STATUS_IS_OK(status)) {
1626                 return status;
1627         }
1628
1629         DEBUG(10,("copy_internals: doing file copy %s to %s\n", oldname, newname));
1630
1631         status = open_file_ntcreate(conn,oldname,&sbuf1,
1632                         FILE_READ_DATA, /* Read-only. */
1633                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1634                         FILE_OPEN,
1635                         0, /* No create options. */
1636                         FILE_ATTRIBUTE_NORMAL,
1637                         NO_OPLOCK,
1638                         &info, &fsp1);
1639
1640         if (!NT_STATUS_IS_OK(status)) {
1641                 return status;
1642         }
1643
1644         status = open_file_ntcreate(conn,newname,&sbuf2,
1645                         FILE_WRITE_DATA, /* Read-only. */
1646                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1647                         FILE_CREATE,
1648                         0, /* No create options. */
1649                         fattr,
1650                         NO_OPLOCK,
1651                         &info, &fsp2);
1652
1653         if (!NT_STATUS_IS_OK(status)) {
1654                 close_file(fsp1,ERROR_CLOSE);
1655                 return status;
1656         }
1657
1658         if (sbuf1.st_size) {
1659                 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1660         }
1661
1662         /*
1663          * As we are opening fsp1 read-only we only expect
1664          * an error on close on fsp2 if we are out of space.
1665          * Thus we don't look at the error return from the
1666          * close of fsp1.
1667          */
1668         close_file(fsp1,NORMAL_CLOSE);
1669
1670         /* Ensure the modtime is set correctly on the destination file. */
1671         fsp_set_pending_modtime(fsp2, sbuf1.st_mtime);
1672
1673         close_ret = close_file(fsp2,NORMAL_CLOSE);
1674
1675         /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1676            creates the file. This isn't the correct thing to do in the copy
1677            case. JRA */
1678         file_set_dosmode(conn, newname, fattr, &sbuf2,
1679                          parent_dirname(newname));
1680
1681         if (ret < (SMB_OFF_T)sbuf1.st_size) {
1682                 return NT_STATUS_DISK_FULL;
1683         }
1684
1685         if (close_ret != 0) {
1686                 status = map_nt_error_from_unix(close_ret);
1687                 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1688                         nt_errstr(status), oldname, newname));
1689         }
1690         return status;
1691 }
1692
1693 /****************************************************************************
1694  Reply to a NT rename request.
1695 ****************************************************************************/
1696
1697 int reply_ntrename(connection_struct *conn,
1698                    char *inbuf,char *outbuf,int length,int bufsize)
1699 {
1700         int outsize = 0;
1701         pstring oldname;
1702         pstring newname;
1703         char *p;
1704         NTSTATUS status;
1705         BOOL path1_contains_wcard = False;
1706         BOOL path2_contains_wcard = False;
1707         uint32 attrs = SVAL(inbuf,smb_vwv0);
1708         uint16 rename_type = SVAL(inbuf,smb_vwv1);
1709
1710         START_PROFILE(SMBntrename);
1711
1712         p = smb_buf(inbuf) + 1;
1713         p += srvstr_get_path_wcard(inbuf, oldname, p, sizeof(oldname), 0, STR_TERMINATE, &status, &path1_contains_wcard);
1714         if (!NT_STATUS_IS_OK(status)) {
1715                 END_PROFILE(SMBntrename);
1716                 return ERROR_NT(status);
1717         }
1718
1719         if( is_ntfs_stream_name(oldname)) {
1720                 /* Can't rename a stream. */
1721                 END_PROFILE(SMBntrename);
1722                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1723         }
1724
1725         if (ms_has_wild(oldname)) {
1726                 END_PROFILE(SMBntrename);
1727                 return ERROR_NT(NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1728         }
1729
1730         p++;
1731         p += srvstr_get_path_wcard(inbuf, newname, p, sizeof(newname), 0, STR_TERMINATE, &status, &path2_contains_wcard);
1732         if (!NT_STATUS_IS_OK(status)) {
1733                 END_PROFILE(SMBntrename);
1734                 return ERROR_NT(status);
1735         }
1736
1737         RESOLVE_DFSPATH(oldname, conn, inbuf, outbuf);
1738         RESOLVE_DFSPATH(newname, conn, inbuf, outbuf);
1739
1740         DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1741
1742         switch(rename_type) {
1743                 case RENAME_FLAG_RENAME:
1744                         status = rename_internals(conn, oldname, newname, attrs, False, path1_contains_wcard);
1745                         break;
1746                 case RENAME_FLAG_HARD_LINK:
1747                         if (path1_contains_wcard || path2_contains_wcard) {
1748                                 /* No wildcards. */
1749                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1750                         } else {
1751                                 status = hardlink_internals(conn, oldname, newname);
1752                         }
1753                         break;
1754                 case RENAME_FLAG_COPY:
1755                         if (path1_contains_wcard || path2_contains_wcard) {
1756                                 /* No wildcards. */
1757                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1758                         } else {
1759                                 status = copy_internals(conn, oldname, newname, attrs);
1760                         }
1761                         break;
1762                 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1763                         status = NT_STATUS_INVALID_PARAMETER;
1764                         break;
1765                 default:
1766                         status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1767                         break;
1768         }
1769
1770         if (!NT_STATUS_IS_OK(status)) {
1771                 END_PROFILE(SMBntrename);
1772                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1773                         /* We have re-scheduled this call. */
1774                         return -1;
1775                 }
1776                 return ERROR_NT(status);
1777         }
1778
1779         outsize = set_message(outbuf,0,0,False);
1780
1781         END_PROFILE(SMBntrename);
1782         return(outsize);
1783 }
1784
1785 /****************************************************************************
1786  Reply to a notify change - queue the request and
1787  don't allow a directory to be opened.
1788 ****************************************************************************/
1789
1790 static int call_nt_transact_notify_change(connection_struct *conn, char *inbuf,
1791                                           char *outbuf, int length,
1792                                           int bufsize,
1793                                           uint16 **ppsetup, uint32 setup_count,
1794                                           char **ppparams,
1795                                           uint32 parameter_count,
1796                                           char **ppdata, uint32 data_count,
1797                                           uint32 max_data_count,
1798                                           uint32 max_param_count)
1799 {
1800         uint16 *setup = *ppsetup;
1801         files_struct *fsp;
1802         uint32 filter;
1803         NTSTATUS status;
1804
1805         if(setup_count < 6) {
1806                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1807         }
1808
1809         fsp = file_fsp((char *)setup,4);
1810         filter = IVAL(setup, 0);
1811
1812         DEBUG(3,("call_nt_transact_notify_change\n"));
1813
1814         if(!fsp) {
1815                 return ERROR_DOS(ERRDOS,ERRbadfid);
1816         }
1817
1818         DEBUG(3,("call_nt_transact_notify_change: notify change called on "
1819                  "directory name = %s\n", fsp->fsp_name ));
1820
1821         if((!fsp->is_directory) || (conn != fsp->conn)) {
1822                 return ERROR_DOS(ERRDOS,ERRbadfid);
1823         }
1824
1825         if (fsp->notify == NULL) {
1826                 if (!(fsp->notify = TALLOC_ZERO_P(
1827                               NULL, struct notify_change_buf))) {
1828                         return ERROR_NT(NT_STATUS_NO_MEMORY);
1829                 }
1830         }
1831
1832         if (fsp->notify->num_changes != 0) {
1833
1834                 /*
1835                  * We've got changes pending, respond immediately
1836                  */
1837
1838                 /*
1839                  * TODO: write a torture test to check the filtering behaviour
1840                  * here.
1841                  */
1842
1843                 SMB_ASSERT(fsp->notify->requests == NULL);
1844
1845                 change_notify_reply(inbuf, max_param_count,
1846                                     fsp->notify->num_changes,
1847                                     fsp->notify->changes);
1848
1849                 TALLOC_FREE(fsp->notify->changes);
1850                 fsp->notify->num_changes = 0;
1851
1852                 /*
1853                  * change_notify_reply() above has independently sent its
1854                  * results
1855                  */
1856                 return -1;
1857         }
1858
1859         /*
1860          * No changes pending, queue the request
1861          */
1862
1863         status = change_notify_add_request(inbuf, max_param_count, filter,
1864                                            fsp);
1865         if (!NT_STATUS_IS_OK(status)) {
1866                 return ERROR_NT(status);
1867         }
1868
1869         return -1;
1870 }
1871
1872 /****************************************************************************
1873  Reply to an NT transact rename command.
1874 ****************************************************************************/
1875
1876 static int call_nt_transact_rename(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1877                                   uint16 **ppsetup, uint32 setup_count,
1878                                   char **ppparams, uint32 parameter_count,
1879                                   char **ppdata, uint32 data_count, uint32 max_data_count)
1880 {
1881         char *params = *ppparams;
1882         pstring new_name;
1883         files_struct *fsp = NULL;
1884         BOOL replace_if_exists = False;
1885         BOOL path_contains_wcard = False;
1886         NTSTATUS status;
1887
1888         if(parameter_count < 5) {
1889                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1890         }
1891
1892         fsp = file_fsp(params, 0);
1893         replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
1894         CHECK_FSP(fsp, conn);
1895         srvstr_get_path_wcard(inbuf, new_name, params+4, sizeof(new_name), parameter_count - 4, STR_TERMINATE, &status, &path_contains_wcard);
1896         if (!NT_STATUS_IS_OK(status)) {
1897                 return ERROR_NT(status);
1898         }
1899
1900         status = rename_internals(conn, fsp->fsp_name,
1901                                   new_name, 0, replace_if_exists, path_contains_wcard);
1902
1903         if (!NT_STATUS_IS_OK(status)) {
1904                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1905                         /* We have re-scheduled this call. */
1906                         return -1;
1907                 }
1908                 return ERROR_NT(status);
1909         }
1910
1911         /*
1912          * Rename was successful.
1913          */
1914         send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1915
1916         DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
1917                  fsp->fsp_name, new_name));
1918
1919         return -1;
1920 }
1921
1922 /******************************************************************************
1923  Fake up a completely empty SD.
1924 *******************************************************************************/
1925
1926 static size_t get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1927 {
1928         size_t sd_size;
1929
1930         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1931         if(!*ppsd) {
1932                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1933                 sd_size = 0;
1934         }
1935
1936         return sd_size;
1937 }
1938
1939 /****************************************************************************
1940  Reply to query a security descriptor.
1941 ****************************************************************************/
1942
1943 static int call_nt_transact_query_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1944                                   uint16 **ppsetup, uint32 setup_count,
1945                                   char **ppparams, uint32 parameter_count,
1946                                   char **ppdata, uint32 data_count, uint32 max_data_count)
1947 {
1948         char *params = *ppparams;
1949         char *data = *ppdata;
1950         prs_struct pd;
1951         SEC_DESC *psd = NULL;
1952         size_t sd_size;
1953         uint32 security_info_wanted;
1954         TALLOC_CTX *mem_ctx;
1955         files_struct *fsp = NULL;
1956
1957         if(parameter_count < 8) {
1958                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1959         }
1960
1961         fsp = file_fsp(params,0);
1962         if(!fsp) {
1963                 return ERROR_DOS(ERRDOS,ERRbadfid);
1964         }
1965
1966         security_info_wanted = IVAL(params,4);
1967
1968         DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
1969                         (unsigned int)security_info_wanted ));
1970
1971         params = nttrans_realloc(ppparams, 4);
1972         if(params == NULL) {
1973                 return ERROR_DOS(ERRDOS,ERRnomem);
1974         }
1975
1976         if ((mem_ctx = talloc_init("call_nt_transact_query_security_desc")) == NULL) {
1977                 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
1978                 return ERROR_DOS(ERRDOS,ERRnomem);
1979         }
1980
1981         /*
1982          * Get the permissions to return.
1983          */
1984
1985         if (!lp_nt_acl_support(SNUM(conn))) {
1986                 sd_size = get_null_nt_acl(mem_ctx, &psd);
1987         } else {
1988                 sd_size = SMB_VFS_FGET_NT_ACL(fsp, fsp->fh->fd, security_info_wanted, &psd);
1989         }
1990
1991         if (sd_size == 0) {
1992                 talloc_destroy(mem_ctx);
1993                 return(UNIXERROR(ERRDOS,ERRnoaccess));
1994         }
1995
1996         DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1997
1998         SIVAL(params,0,(uint32)sd_size);
1999
2000         if(max_data_count < sd_size) {
2001
2002                 send_nt_replies(outbuf, bufsize, NT_STATUS_BUFFER_TOO_SMALL,
2003                                 params, 4, *ppdata, 0);
2004                 talloc_destroy(mem_ctx);
2005                 return -1;
2006         }
2007
2008         /*
2009          * Allocate the data we will point this at.
2010          */
2011
2012         data = nttrans_realloc(ppdata, sd_size);
2013         if(data == NULL) {
2014                 talloc_destroy(mem_ctx);
2015                 return ERROR_DOS(ERRDOS,ERRnomem);
2016         }
2017
2018         /*
2019          * Init the parse struct we will marshall into.
2020          */
2021
2022         prs_init(&pd, 0, mem_ctx, MARSHALL);
2023
2024         /*
2025          * Setup the prs_struct to point at the memory we just
2026          * allocated.
2027          */
2028
2029         prs_give_memory( &pd, data, (uint32)sd_size, False);
2030
2031         /*
2032          * Finally, linearize into the outgoing buffer.
2033          */
2034
2035         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
2036                 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
2037 security descriptor.\n"));
2038                 /*
2039                  * Return access denied for want of a better error message..
2040                  */
2041                 talloc_destroy(mem_ctx);
2042                 return(UNIXERROR(ERRDOS,ERRnoaccess));
2043         }
2044
2045         /*
2046          * Now we can delete the security descriptor.
2047          */
2048
2049         talloc_destroy(mem_ctx);
2050
2051         send_nt_replies(outbuf, bufsize, NT_STATUS_OK, params, 4, data,
2052                         (int)sd_size);
2053         return -1;
2054 }
2055
2056 /****************************************************************************
2057  Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2058 ****************************************************************************/
2059
2060 static int call_nt_transact_set_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2061                                   uint16 **ppsetup, uint32 setup_count,
2062                                   char **ppparams, uint32 parameter_count,
2063                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2064 {
2065         char *params= *ppparams;
2066         char *data = *ppdata;
2067         files_struct *fsp = NULL;
2068         uint32 security_info_sent = 0;
2069         NTSTATUS nt_status;
2070
2071         if(parameter_count < 8) {
2072                 return ERROR_DOS(ERRDOS,ERRbadfunc);
2073         }
2074
2075         if((fsp = file_fsp(params,0)) == NULL) {
2076                 return ERROR_DOS(ERRDOS,ERRbadfid);
2077         }
2078
2079         if(!lp_nt_acl_support(SNUM(conn))) {
2080                 goto done;
2081         }
2082
2083         security_info_sent = IVAL(params,4);
2084
2085         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
2086                 (unsigned int)security_info_sent ));
2087
2088         if (data_count == 0) {
2089                 return ERROR_DOS(ERRDOS, ERRnoaccess);
2090         }
2091
2092         if (!NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, data_count, security_info_sent))) {
2093                 return ERROR_NT(nt_status);
2094         }
2095
2096   done:
2097
2098         send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2099         return -1;
2100 }
2101
2102 /****************************************************************************
2103  Reply to NT IOCTL
2104 ****************************************************************************/
2105
2106 static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2107                                   uint16 **ppsetup, uint32 setup_count,
2108                                   char **ppparams, uint32 parameter_count,
2109                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2110 {
2111         uint32 function;
2112         uint16 fidnum;
2113         files_struct *fsp;
2114         uint8 isFSctl;
2115         uint8 compfilter;
2116         static BOOL logged_message;
2117         char *pdata = *ppdata;
2118
2119         if (setup_count != 8) {
2120                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2121                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2122         }
2123
2124         function = IVAL(*ppsetup, 0);
2125         fidnum = SVAL(*ppsetup, 4);
2126         isFSctl = CVAL(*ppsetup, 6);
2127         compfilter = CVAL(*ppsetup, 7);
2128
2129         DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2130                  function, fidnum, isFSctl, compfilter));
2131
2132         fsp=file_fsp((char *)*ppsetup, 4);
2133         /* this check is done in each implemented function case for now
2134            because I don't want to break anything... --metze
2135         FSP_BELONGS_CONN(fsp,conn);*/
2136
2137         switch (function) {
2138         case FSCTL_SET_SPARSE:
2139                 /* pretend this succeeded - tho strictly we should
2140                    mark the file sparse (if the local fs supports it)
2141                    so we can know if we need to pre-allocate or not */
2142
2143                 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2144                 send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL,
2145                                 0);
2146                 return -1;
2147
2148         case FSCTL_0x000900C0:
2149                 /* pretend this succeeded - don't know what this really is
2150                    but works ok like this --metze
2151                  */
2152
2153                 DEBUG(10,("FSCTL_0x000900C0: called on FID[0x%04X](but not implemented)\n",fidnum));
2154                 send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL,
2155                                 0);
2156                 return -1;
2157
2158         case FSCTL_GET_REPARSE_POINT:
2159                 /* pretend this fail - my winXP does it like this
2160                  * --metze
2161                  */
2162
2163                 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2164                 send_nt_replies(outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT,
2165                                 NULL, 0, NULL, 0);
2166                 return -1;
2167
2168         case FSCTL_SET_REPARSE_POINT:
2169                 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2170                  * --metze
2171                  */
2172
2173                 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2174                 send_nt_replies(outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT,
2175                                 NULL, 0, NULL, 0);
2176                 return -1;
2177
2178         case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2179         {
2180                 /*
2181                  * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2182                  * and return their volume names.  If max_data_count is 16, then it is just
2183                  * asking for the number of volumes and length of the combined names.
2184                  *
2185                  * pdata is the data allocated by our caller, but that uses
2186                  * total_data_count (which is 0 in our case) rather than max_data_count.
2187                  * Allocate the correct amount and return the pointer to let
2188                  * it be deallocated when we return.
2189                  */
2190                 SHADOW_COPY_DATA *shadow_data = NULL;
2191                 TALLOC_CTX *shadow_mem_ctx = NULL;
2192                 BOOL labels = False;
2193                 uint32 labels_data_count = 0;
2194                 uint32 i;
2195                 char *cur_pdata;
2196
2197                 FSP_BELONGS_CONN(fsp,conn);
2198
2199                 if (max_data_count < 16) {
2200                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2201                                 max_data_count));
2202                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2203                 }
2204
2205                 if (max_data_count > 16) {
2206                         labels = True;
2207                 }
2208
2209                 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2210                 if (shadow_mem_ctx == NULL) {
2211                         DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2212                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2213                 }
2214
2215                 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2216                 if (shadow_data == NULL) {
2217                         DEBUG(0,("talloc_zero() failed!\n"));
2218                         talloc_destroy(shadow_mem_ctx);
2219                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2220                 }
2221
2222                 shadow_data->mem_ctx = shadow_mem_ctx;
2223
2224                 /*
2225                  * Call the VFS routine to actually do the work.
2226                  */
2227                 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2228                         talloc_destroy(shadow_data->mem_ctx);
2229                         if (errno == ENOSYS) {
2230                                 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2231                                         conn->connectpath));
2232                                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2233                         } else {
2234                                 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2235                                         conn->connectpath));
2236                                 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
2237                         }
2238                 }
2239
2240                 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2241
2242                 if (!labels) {
2243                         data_count = 16;
2244                 } else {
2245                         data_count = 12+labels_data_count+4;
2246                 }
2247
2248                 if (max_data_count<data_count) {
2249                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2250                                 max_data_count,data_count));
2251                         talloc_destroy(shadow_data->mem_ctx);
2252                         return ERROR_NT(NT_STATUS_BUFFER_TOO_SMALL);
2253                 }
2254
2255                 pdata = nttrans_realloc(ppdata, data_count);
2256                 if (pdata == NULL) {
2257                         talloc_destroy(shadow_data->mem_ctx);
2258                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2259                 }
2260
2261                 cur_pdata = pdata;
2262
2263                 /* num_volumes 4 bytes */
2264                 SIVAL(pdata,0,shadow_data->num_volumes);
2265
2266                 if (labels) {
2267                         /* num_labels 4 bytes */
2268                         SIVAL(pdata,4,shadow_data->num_volumes);
2269                 }
2270
2271                 /* needed_data_count 4 bytes */
2272                 SIVAL(pdata,8,labels_data_count);
2273
2274                 cur_pdata+=12;
2275
2276                 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2277                         shadow_data->num_volumes,fsp->fsp_name));
2278                 if (labels && shadow_data->labels) {
2279                         for (i=0;i<shadow_data->num_volumes;i++) {
2280                                 srvstr_push(outbuf, cur_pdata, shadow_data->labels[i], 2*sizeof(SHADOW_COPY_LABEL), STR_UNICODE|STR_TERMINATE);
2281                                 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2282                                 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2283                         }
2284                 }
2285
2286                 talloc_destroy(shadow_data->mem_ctx);
2287
2288                 send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0,
2289                                 pdata, data_count);
2290
2291                 return -1;
2292         }
2293
2294         case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2295         {
2296                 /* pretend this succeeded -
2297                  *
2298                  * we have to send back a list with all files owned by this SID
2299                  *
2300                  * but I have to check that --metze
2301                  */
2302                 DOM_SID sid;
2303                 uid_t uid;
2304                 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2305
2306                 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2307
2308                 FSP_BELONGS_CONN(fsp,conn);
2309
2310                 /* unknown 4 bytes: this is not the length of the sid :-(  */
2311                 /*unknown = IVAL(pdata,0);*/
2312
2313                 sid_parse(pdata+4,sid_len,&sid);
2314                 DEBUGADD(10,("for SID: %s\n",sid_string_static(&sid)));
2315
2316                 if (!sid_to_uid(&sid, &uid)) {
2317                         DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2318                                 sid_string_static(&sid),(unsigned long)sid_len));
2319                         uid = (-1);
2320                 }
2321
2322                 /* we can take a look at the find source :-)
2323                  *
2324                  * find ./ -uid $uid  -name '*'   is what we need here
2325                  *
2326                  *
2327                  * and send 4bytes len and then NULL terminated unicode strings
2328                  * for each file
2329                  *
2330                  * but I don't know how to deal with the paged results
2331                  * (maybe we can hang the result anywhere in the fsp struct)
2332                  *
2333                  * we don't send all files at once
2334                  * and at the next we should *not* start from the beginning,
2335                  * so we have to cache the result
2336                  *
2337                  * --metze
2338                  */
2339
2340                 /* this works for now... */
2341                 send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0,
2342                                 NULL, 0);
2343                 return -1;
2344         }
2345         default:
2346                 if (!logged_message) {
2347                         logged_message = True; /* Only print this once... */
2348                         DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2349                                  function));
2350                 }
2351         }
2352
2353         return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2354 }
2355
2356
2357 #ifdef HAVE_SYS_QUOTAS
2358 /****************************************************************************
2359  Reply to get user quota
2360 ****************************************************************************/
2361
2362 static int call_nt_transact_get_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2363                                   uint16 **ppsetup, uint32 setup_count,
2364                                   char **ppparams, uint32 parameter_count,
2365                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2366 {
2367         NTSTATUS nt_status = NT_STATUS_OK;
2368         char *params = *ppparams;
2369         char *pdata = *ppdata;
2370         char *entry;
2371         int data_len=0,param_len=0;
2372         int qt_len=0;
2373         int entry_len = 0;
2374         files_struct *fsp = NULL;
2375         uint16 level = 0;
2376         size_t sid_len;
2377         DOM_SID sid;
2378         BOOL start_enum = True;
2379         SMB_NTQUOTA_STRUCT qt;
2380         SMB_NTQUOTA_LIST *tmp_list;
2381         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2382
2383         ZERO_STRUCT(qt);
2384
2385         /* access check */
2386         if (current_user.ut.uid != 0) {
2387                 DEBUG(1,("get_user_quota: access_denied service [%s] user [%s]\n",
2388                         lp_servicename(SNUM(conn)),conn->user));
2389                 return ERROR_DOS(ERRDOS,ERRnoaccess);
2390         }
2391
2392         /*
2393          * Ensure minimum number of parameters sent.
2394          */
2395
2396         if (parameter_count < 4) {
2397                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2398                 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2399         }
2400
2401         /* maybe we can check the quota_fnum */
2402         fsp = file_fsp(params,0);
2403         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2404                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2405                 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2406         }
2407
2408         /* the NULL pointer checking for fsp->fake_file_handle->pd
2409          * is done by CHECK_NTQUOTA_HANDLE_OK()
2410          */
2411         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
2412
2413         level = SVAL(params,2);
2414
2415         /* unknown 12 bytes leading in params */
2416
2417         switch (level) {
2418                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2419                         /* seems that we should continue with the enum here --metze */
2420
2421                         if (qt_handle->quota_list!=NULL &&
2422                             qt_handle->tmp_list==NULL) {
2423
2424                                 /* free the list */
2425                                 free_ntquota_list(&(qt_handle->quota_list));
2426
2427                                 /* Realloc the size of parameters and data we will return */
2428                                 param_len = 4;
2429                                 params = nttrans_realloc(ppparams, param_len);
2430                                 if(params == NULL) {
2431                                         return ERROR_DOS(ERRDOS,ERRnomem);
2432                                 }
2433
2434                                 data_len = 0;
2435                                 SIVAL(params,0,data_len);
2436
2437                                 break;
2438                         }
2439
2440                         start_enum = False;
2441
2442                 case TRANSACT_GET_USER_QUOTA_LIST_START:
2443
2444                         if (qt_handle->quota_list==NULL &&
2445                                 qt_handle->tmp_list==NULL) {
2446                                 start_enum = True;
2447                         }
2448
2449                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0)
2450                                 return ERROR_DOS(ERRSRV,ERRerror);
2451
2452                         /* Realloc the size of parameters and data we will return */
2453                         param_len = 4;
2454                         params = nttrans_realloc(ppparams, param_len);
2455                         if(params == NULL) {
2456                                 return ERROR_DOS(ERRDOS,ERRnomem);
2457                         }
2458
2459                         /* we should not trust the value in max_data_count*/
2460                         max_data_count = MIN(max_data_count,2048);
2461
2462                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2463                         if(pdata == NULL) {
2464                                 return ERROR_DOS(ERRDOS,ERRnomem);
2465                         }
2466
2467                         entry = pdata;
2468
2469                         /* set params Size of returned Quota Data 4 bytes*/
2470                         /* but set it later when we know it */
2471
2472                         /* for each entry push the data */
2473
2474                         if (start_enum) {
2475                                 qt_handle->tmp_list = qt_handle->quota_list;
2476                         }
2477
2478                         tmp_list = qt_handle->tmp_list;
2479
2480                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2481                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2482
2483                                 sid_len = sid_size(&tmp_list->quotas->sid);
2484                                 entry_len = 40 + sid_len;
2485
2486                                 /* nextoffset entry 4 bytes */
2487                                 SIVAL(entry,0,entry_len);
2488
2489                                 /* then the len of the SID 4 bytes */
2490                                 SIVAL(entry,4,sid_len);
2491
2492                                 /* unknown data 8 bytes SMB_BIG_UINT */
2493                                 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2494
2495                                 /* the used disk space 8 bytes SMB_BIG_UINT */
2496                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2497
2498                                 /* the soft quotas 8 bytes SMB_BIG_UINT */
2499                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2500
2501                                 /* the hard quotas 8 bytes SMB_BIG_UINT */
2502                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2503
2504                                 /* and now the SID */
2505                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2506                         }
2507
2508                         qt_handle->tmp_list = tmp_list;
2509
2510                         /* overwrite the offset of the last entry */
2511                         SIVAL(entry-entry_len,0,0);
2512
2513                         data_len = 4+qt_len;
2514                         /* overwrite the params quota_data_len */
2515                         SIVAL(params,0,data_len);
2516
2517                         break;
2518
2519                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2520
2521                         /* unknown 4 bytes IVAL(pdata,0) */
2522
2523                         if (data_count < 8) {
2524                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2525                                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2526                         }
2527
2528                         sid_len = IVAL(pdata,4);
2529                         /* Ensure this is less than 1mb. */
2530                         if (sid_len > (1024*1024)) {
2531                                 return ERROR_DOS(ERRDOS,ERRnomem);
2532                         }
2533
2534                         if (data_count < 8+sid_len) {
2535                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2536                                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2537                         }
2538
2539                         data_len = 4+40+sid_len;
2540
2541                         if (max_data_count < data_len) {
2542                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2543                                         max_data_count, data_len));
2544                                 param_len = 4;
2545                                 SIVAL(params,0,data_len);
2546                                 data_len = 0;
2547                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2548                                 break;
2549                         }
2550
2551                         sid_parse(pdata+8,sid_len,&sid);
2552
2553                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2554                                 ZERO_STRUCT(qt);
2555                                 /*
2556                                  * we have to return zero's in all fields
2557                                  * instead of returning an error here
2558                                  * --metze
2559                                  */
2560                         }
2561
2562                         /* Realloc the size of parameters and data we will return */
2563                         param_len = 4;
2564                         params = nttrans_realloc(ppparams, param_len);
2565                         if(params == NULL) {
2566                                 return ERROR_DOS(ERRDOS,ERRnomem);
2567                         }
2568
2569                         pdata = nttrans_realloc(ppdata, data_len);
2570                         if(pdata == NULL) {
2571                                 return ERROR_DOS(ERRDOS,ERRnomem);
2572                         }
2573
2574                         entry = pdata;
2575
2576                         /* set params Size of returned Quota Data 4 bytes*/
2577                         SIVAL(params,0,data_len);
2578
2579                         /* nextoffset entry 4 bytes */
2580                         SIVAL(entry,0,0);
2581
2582                         /* then the len of the SID 4 bytes */
2583                         SIVAL(entry,4,sid_len);
2584
2585                         /* unknown data 8 bytes SMB_BIG_UINT */
2586                         SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
2587
2588                         /* the used disk space 8 bytes SMB_BIG_UINT */
2589                         SBIG_UINT(entry,16,qt.usedspace);
2590
2591                         /* the soft quotas 8 bytes SMB_BIG_UINT */
2592                         SBIG_UINT(entry,24,qt.softlim);
2593
2594                         /* the hard quotas 8 bytes SMB_BIG_UINT */
2595                         SBIG_UINT(entry,32,qt.hardlim);
2596
2597                         /* and now the SID */
2598                         sid_linearize(entry+40, sid_len, &sid);
2599
2600                         break;
2601
2602                 default:
2603                         DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2604                         return ERROR_DOS(ERRSRV,ERRerror);
2605                         break;
2606         }
2607
2608         send_nt_replies(outbuf, bufsize, nt_status, params, param_len,
2609                         pdata, data_len);
2610
2611         return -1;
2612 }
2613
2614 /****************************************************************************
2615  Reply to set user quota
2616 ****************************************************************************/
2617
2618 static int call_nt_transact_set_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2619                                   uint16 **ppsetup, uint32 setup_count,
2620                                   char **ppparams, uint32 parameter_count,
2621                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2622 {
2623         char *params = *ppparams;
2624         char *pdata = *ppdata;
2625         int data_len=0,param_len=0;
2626         SMB_NTQUOTA_STRUCT qt;
2627         size_t sid_len;
2628         DOM_SID sid;
2629         files_struct *fsp = NULL;
2630
2631         ZERO_STRUCT(qt);
2632
2633         /* access check */
2634         if (current_user.ut.uid != 0) {
2635                 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
2636                         lp_servicename(SNUM(conn)),conn->user));
2637                 return ERROR_DOS(ERRDOS,ERRnoaccess);
2638         }
2639
2640         /*
2641          * Ensure minimum number of parameters sent.
2642          */
2643
2644         if (parameter_count < 2) {
2645                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2646                 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2647         }
2648
2649         /* maybe we can check the quota_fnum */
2650         fsp = file_fsp(params,0);
2651         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2652                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2653                 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2654         }
2655
2656         if (data_count < 40) {
2657                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2658                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2659         }
2660
2661         /* offset to next quota record.
2662          * 4 bytes IVAL(pdata,0)
2663          * unused here...
2664          */
2665
2666         /* sid len */
2667         sid_len = IVAL(pdata,4);
2668
2669         if (data_count < 40+sid_len) {
2670                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2671                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2672         }
2673
2674         /* unknown 8 bytes in pdata
2675          * maybe its the change time in NTTIME
2676          */
2677
2678         /* the used space 8 bytes (SMB_BIG_UINT)*/
2679         qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
2680 #ifdef LARGE_SMB_OFF_T
2681         qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
2682 #else /* LARGE_SMB_OFF_T */
2683         if ((IVAL(pdata,20) != 0)&&
2684                 ((qt.usedspace != 0xFFFFFFFF)||
2685                 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2686                 /* more than 32 bits? */
2687                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2688         }
2689 #endif /* LARGE_SMB_OFF_T */
2690
2691         /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
2692         qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
2693 #ifdef LARGE_SMB_OFF_T
2694         qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
2695 #else /* LARGE_SMB_OFF_T */
2696         if ((IVAL(pdata,28) != 0)&&
2697                 ((qt.softlim != 0xFFFFFFFF)||
2698                 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2699                 /* more than 32 bits? */
2700                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2701         }
2702 #endif /* LARGE_SMB_OFF_T */
2703
2704         /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
2705         qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
2706 #ifdef LARGE_SMB_OFF_T
2707         qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
2708 #else /* LARGE_SMB_OFF_T */
2709         if ((IVAL(pdata,36) != 0)&&
2710                 ((qt.hardlim != 0xFFFFFFFF)||
2711                 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2712                 /* more than 32 bits? */
2713                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2714         }
2715 #endif /* LARGE_SMB_OFF_T */
2716
2717         sid_parse(pdata+40,sid_len,&sid);
2718         DEBUGADD(8,("SID: %s\n",sid_string_static(&sid)));
2719
2720         /* 44 unknown bytes left... */
2721
2722         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2723                 return ERROR_DOS(ERRSRV,ERRerror);
2724         }
2725
2726         send_nt_replies(outbuf, bufsize, NT_STATUS_OK, params, param_len,
2727                         pdata, data_len);
2728
2729         return -1;
2730 }
2731 #endif /* HAVE_SYS_QUOTAS */
2732
2733 static int handle_nttrans(connection_struct *conn,
2734                           struct trans_state *state,
2735                           char *inbuf, char *outbuf, int size, int bufsize)
2736 {
2737         int outsize;
2738
2739         if (Protocol >= PROTOCOL_NT1) {
2740                 SSVAL(outbuf,smb_flg2,SVAL(outbuf,smb_flg2) | 0x40); /* IS_LONG_NAME */
2741         }
2742
2743         /* Now we must call the relevant NT_TRANS function */
2744         switch(state->call) {
2745                 case NT_TRANSACT_CREATE:
2746                 {
2747                         START_PROFILE(NT_transact_create);
2748                         outsize = call_nt_transact_create(conn, inbuf, outbuf,
2749                                                           size, bufsize,
2750                                                         &state->setup, state->setup_count,
2751                                                         &state->param, state->total_param,
2752                                                         &state->data, state->total_data,
2753                                                           state->max_data_return);
2754                         END_PROFILE(NT_transact_create);
2755                         break;
2756                 }
2757
2758                 case NT_TRANSACT_IOCTL:
2759                 {
2760                         START_PROFILE(NT_transact_ioctl);
2761                         outsize = call_nt_transact_ioctl(conn, inbuf, outbuf,
2762                                                          size, bufsize,
2763                                                          &state->setup, state->setup_count,
2764                                                          &state->param, state->total_param,
2765                                                          &state->data, state->total_data, state->max_data_return);
2766                         END_PROFILE(NT_transact_ioctl);
2767                         break;
2768                 }
2769
2770                 case NT_TRANSACT_SET_SECURITY_DESC:
2771                 {
2772                         START_PROFILE(NT_transact_set_security_desc);
2773                         outsize = call_nt_transact_set_security_desc(conn, inbuf, outbuf,
2774                                                          size, bufsize,
2775                                                          &state->setup, state->setup_count,
2776                                                          &state->param, state->total_param,
2777                                                          &state->data, state->total_data, state->max_data_return);
2778                         END_PROFILE(NT_transact_set_security_desc);
2779                         break;
2780                 }
2781
2782                 case NT_TRANSACT_NOTIFY_CHANGE:
2783                 {
2784                         START_PROFILE(NT_transact_notify_change);
2785                         outsize = call_nt_transact_notify_change(
2786                                 conn, inbuf, outbuf, size, bufsize,
2787                                 &state->setup, state->setup_count,
2788                                 &state->param, state->total_param,
2789                                 &state->data, state->total_data,
2790                                 state->max_data_return,
2791                                 state->max_param_return);
2792                         END_PROFILE(NT_transact_notify_change);
2793                         break;
2794                 }
2795
2796                 case NT_TRANSACT_RENAME:
2797                 {
2798                         START_PROFILE(NT_transact_rename);
2799                         outsize = call_nt_transact_rename(conn, inbuf, outbuf,
2800                                                          size, bufsize,
2801                                                          &state->setup, state->setup_count,
2802                                                          &state->param, state->total_param,
2803                                                          &state->data, state->total_data, state->max_data_return);
2804                         END_PROFILE(NT_transact_rename);
2805                         break;
2806                 }
2807
2808                 case NT_TRANSACT_QUERY_SECURITY_DESC:
2809                 {
2810                         START_PROFILE(NT_transact_query_security_desc);
2811                         outsize = call_nt_transact_query_security_desc(conn, inbuf, outbuf,
2812                                                          size, bufsize,
2813                                                          &state->setup, state->setup_count,
2814                                                          &state->param, state->total_param,
2815                                                          &state->data, state->total_data, state->max_data_return);
2816                         END_PROFILE(NT_transact_query_security_desc);
2817                         break;
2818                 }
2819
2820 #ifdef HAVE_SYS_QUOTAS
2821                 case NT_TRANSACT_GET_USER_QUOTA:
2822                 {
2823                         START_PROFILE(NT_transact_get_user_quota);
2824                         outsize = call_nt_transact_get_user_quota(conn, inbuf, outbuf,
2825                                                          size, bufsize,
2826                                                          &state->setup, state->setup_count,
2827                                                          &state->param, state->total_param,
2828                                                          &state->data, state->total_data, state->max_data_return);
2829                         END_PROFILE(NT_transact_get_user_quota);
2830                         break;
2831                 }
2832
2833                 case NT_TRANSACT_SET_USER_QUOTA:
2834                 {
2835                         START_PROFILE(NT_transact_set_user_quota);
2836                         outsize = call_nt_transact_set_user_quota(conn, inbuf, outbuf,
2837                                                          size, bufsize,
2838                                                          &state->setup, state->setup_count,
2839                                                          &state->param, state->total_param,
2840                                                          &state->data, state->total_data, state->max_data_return);
2841                         END_PROFILE(NT_transact_set_user_quota);
2842                         break;
2843                 }
2844 #endif /* HAVE_SYS_QUOTAS */
2845
2846                 default:
2847                         /* Error in request */
2848                         DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n",
2849                                  state->call));
2850                         return ERROR_DOS(ERRSRV,ERRerror);
2851         }
2852         return outsize;
2853 }
2854
2855 /****************************************************************************
2856  Reply to a SMBNTtrans.
2857 ****************************************************************************/
2858
2859 int reply_nttrans(connection_struct *conn,
2860                         char *inbuf,char *outbuf,int size,int bufsize)
2861 {
2862         int  outsize = 0;
2863         uint32 pscnt = IVAL(inbuf,smb_nt_ParameterCount);
2864         uint32 psoff = IVAL(inbuf,smb_nt_ParameterOffset);
2865         uint32 dscnt = IVAL(inbuf,smb_nt_DataCount);
2866         uint32 dsoff = IVAL(inbuf,smb_nt_DataOffset);
2867
2868         uint16 function_code = SVAL( inbuf, smb_nt_Function);
2869         NTSTATUS result;
2870         struct trans_state *state;
2871
2872         START_PROFILE(SMBnttrans);
2873
2874         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2875                 END_PROFILE(SMBnttrans);
2876                 return ERROR_DOS(ERRSRV,ERRaccess);
2877         }
2878
2879         result = allow_new_trans(conn->pending_trans, SVAL(inbuf, smb_mid));
2880         if (!NT_STATUS_IS_OK(result)) {
2881                 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2882                 END_PROFILE(SMBnttrans);
2883                 return ERROR_NT(result);
2884         }
2885
2886         if ((state = TALLOC_P(conn->mem_ctx, struct trans_state)) == NULL) {
2887                 END_PROFILE(SMBnttrans);
2888                 return ERROR_DOS(ERRSRV,ERRaccess);
2889         }
2890
2891         state->cmd = SMBnttrans;
2892
2893         state->mid = SVAL(inbuf,smb_mid);
2894         state->vuid = SVAL(inbuf,smb_uid);
2895         state->total_data = IVAL(inbuf, smb_nt_TotalDataCount);
2896         state->data = NULL;
2897         state->total_param = IVAL(inbuf, smb_nt_TotalParameterCount);
2898         state->param = NULL;
2899         state->max_data_return = IVAL(inbuf,smb_nt_MaxDataCount);
2900         state->max_param_return = IVAL(inbuf,smb_nt_MaxParameterCount);
2901
2902         /* setup count is in *words* */
2903         state->setup_count = 2*CVAL(inbuf,smb_nt_SetupCount);
2904         state->setup = NULL;
2905         state->call = function_code;
2906
2907         /*
2908          * All nttrans messages we handle have smb_wct == 19 +
2909          * state->setup_count.  Ensure this is so as a sanity check.
2910          */
2911
2912         if(CVAL(inbuf, smb_wct) != 19 + (state->setup_count/2)) {
2913                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2914                         CVAL(inbuf, smb_wct), 19 + (state->setup_count/2)));
2915                 goto bad_param;
2916         }
2917
2918         /* Don't allow more than 128mb for each value. */
2919         if ((state->total_data > (1024*1024*128)) ||
2920             (state->total_param > (1024*1024*128))) {
2921                 END_PROFILE(SMBnttrans);
2922                 return ERROR_DOS(ERRDOS,ERRnomem);
2923         }
2924
2925         if ((dscnt > state->total_data) || (pscnt > state->total_param))
2926                 goto bad_param;
2927
2928         if (state->total_data)  {
2929                 /* Can't use talloc here, the core routines do realloc on the
2930                  * params and data. */
2931                 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2932                         DEBUG(0,("reply_nttrans: data malloc fail for %u "
2933                                  "bytes !\n", (unsigned int)state->total_data));
2934                         TALLOC_FREE(state);
2935                         END_PROFILE(SMBnttrans);
2936                         return(ERROR_DOS(ERRDOS,ERRnomem));
2937                 }
2938                 if ((dsoff+dscnt < dsoff) || (dsoff+dscnt < dscnt))
2939                         goto bad_param;
2940                 if ((smb_base(inbuf)+dsoff+dscnt > inbuf + size) ||
2941                     (smb_base(inbuf)+dsoff+dscnt < smb_base(inbuf)))
2942                         goto bad_param;
2943
2944                 memcpy(state->data,smb_base(inbuf)+dsoff,dscnt);
2945         }
2946
2947         if (state->total_param) {
2948                 /* Can't use talloc here, the core routines do realloc on the
2949                  * params and data. */
2950                 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2951                         DEBUG(0,("reply_nttrans: param malloc fail for %u "
2952                                  "bytes !\n", (unsigned int)state->total_param));
2953                         SAFE_FREE(state->data);
2954                         TALLOC_FREE(state);
2955                         END_PROFILE(SMBnttrans);
2956                         return(ERROR_DOS(ERRDOS,ERRnomem));
2957                 }
2958                 if ((psoff+pscnt < psoff) || (psoff+pscnt < pscnt))
2959                         goto bad_param;
2960                 if ((smb_base(inbuf)+psoff+pscnt > inbuf + size) ||
2961                     (smb_base(inbuf)+psoff+pscnt < smb_base(inbuf)))
2962                         goto bad_param;
2963
2964                 memcpy(state->param,smb_base(inbuf)+psoff,pscnt);
2965         }
2966
2967         state->received_data  = dscnt;
2968         state->received_param = pscnt;
2969
2970         if(state->setup_count > 0) {
2971                 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2972                           state->setup_count));
2973                 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2974                 if (state->setup == NULL) {
2975                         DEBUG(0,("reply_nttrans : Out of memory\n"));
2976                         SAFE_FREE(state->data);
2977                         SAFE_FREE(state->param);
2978                         TALLOC_FREE(state);
2979                         END_PROFILE(SMBnttrans);
2980                         return ERROR_DOS(ERRDOS,ERRnomem);
2981                 }
2982
2983                 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
2984                     (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
2985                         goto bad_param;
2986                 }
2987                 if (smb_nt_SetupStart + state->setup_count > size) {
2988                         goto bad_param;
2989                 }
2990
2991                 memcpy( state->setup, &inbuf[smb_nt_SetupStart], state->setup_count);
2992                 dump_data(10, (char *)state->setup, state->setup_count);
2993         }
2994
2995         if ((state->received_data == state->total_data) &&
2996             (state->received_param == state->total_param)) {
2997                 outsize = handle_nttrans(conn, state, inbuf, outbuf,
2998                                          size, bufsize);
2999                 SAFE_FREE(state->param);
3000                 SAFE_FREE(state->data);
3001                 TALLOC_FREE(state);
3002                 END_PROFILE(SMBnttrans);
3003                 return outsize;
3004         }
3005
3006         DLIST_ADD(conn->pending_trans, state);
3007
3008         /* We need to send an interim response then receive the rest
3009            of the parameter/data bytes */
3010         outsize = set_message(outbuf,0,0,False);
3011         show_msg(outbuf);
3012         END_PROFILE(SMBnttrans);
3013         return outsize;
3014
3015   bad_param:
3016
3017         DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3018         SAFE_FREE(state->data);
3019         SAFE_FREE(state->param);
3020         TALLOC_FREE(state);
3021         END_PROFILE(SMBnttrans);
3022         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3023 }
3024
3025 /****************************************************************************
3026  Reply to a SMBnttranss
3027  ****************************************************************************/
3028
3029 int reply_nttranss(connection_struct *conn,  char *inbuf,char *outbuf,
3030                    int size,int bufsize)
3031 {
3032         int outsize = 0;
3033         unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
3034         struct trans_state *state;
3035
3036         START_PROFILE(SMBnttranss);
3037
3038         show_msg(inbuf);
3039
3040         for (state = conn->pending_trans; state != NULL;
3041              state = state->next) {
3042                 if (state->mid == SVAL(inbuf,smb_mid)) {
3043                         break;
3044                 }
3045         }
3046
3047         if ((state == NULL) || (state->cmd != SMBnttrans)) {
3048                 END_PROFILE(SMBnttranss);
3049                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3050         }
3051
3052         /* Revise state->total_param and state->total_data in case they have
3053            changed downwards */
3054         if (IVAL(inbuf, smb_nts_TotalParameterCount) < state->total_param) {
3055                 state->total_param = IVAL(inbuf, smb_nts_TotalParameterCount);
3056         }
3057         if (IVAL(inbuf, smb_nts_TotalDataCount) < state->total_data) {
3058                 state->total_data = IVAL(inbuf, smb_nts_TotalDataCount);
3059         }
3060
3061         pcnt = IVAL(inbuf,smb_nts_ParameterCount);
3062         poff = IVAL(inbuf, smb_nts_ParameterOffset);
3063         pdisp = IVAL(inbuf, smb_nts_ParameterDisplacement);
3064
3065         dcnt = IVAL(inbuf, smb_nts_DataCount);
3066         ddisp = IVAL(inbuf, smb_nts_DataDisplacement);
3067         doff = IVAL(inbuf, smb_nts_DataOffset);
3068
3069         state->received_param += pcnt;
3070         state->received_data += dcnt;
3071
3072         if ((state->received_data > state->total_data) ||
3073             (state->received_param > state->total_param))
3074                 goto bad_param;
3075
3076         if (pcnt) {
3077                 if (pdisp+pcnt > state->total_param)
3078                         goto bad_param;
3079                 if ((pdisp+pcnt < pdisp) || (pdisp+pcnt < pcnt))
3080                         goto bad_param;
3081                 if (pdisp > state->total_param)
3082                         goto bad_param;
3083                 if ((smb_base(inbuf) + poff + pcnt > inbuf + size) ||
3084                     (smb_base(inbuf) + poff + pcnt < smb_base(inbuf)))
3085                         goto bad_param;
3086                 if (state->param + pdisp < state->param)
3087                         goto bad_param;
3088
3089                 memcpy(state->param+pdisp,smb_base(inbuf)+poff,
3090                        pcnt);
3091         }
3092
3093         if (dcnt) {
3094                 if (ddisp+dcnt > state->total_data)
3095                         goto bad_param;
3096                 if ((ddisp+dcnt < ddisp) || (ddisp+dcnt < dcnt))
3097                         goto bad_param;
3098                 if (ddisp > state->total_data)
3099                         goto bad_param;
3100                 if ((smb_base(inbuf) + doff + dcnt > inbuf + size) ||
3101                     (smb_base(inbuf) + doff + dcnt < smb_base(inbuf)))
3102                         goto bad_param;
3103                 if (state->data + ddisp < state->data)
3104                         goto bad_param;
3105
3106                 memcpy(state->data+ddisp, smb_base(inbuf)+doff,
3107                        dcnt);
3108         }
3109
3110         if ((state->received_param < state->total_param) ||
3111             (state->received_data < state->total_data)) {
3112                 END_PROFILE(SMBnttranss);
3113                 return -1;
3114         }
3115
3116         /* construct_reply_common has done us the favor to pre-fill the
3117          * command field with SMBnttranss which is wrong :-)
3118          */
3119         SCVAL(outbuf,smb_com,SMBnttrans);
3120
3121         outsize = handle_nttrans(conn, state, inbuf, outbuf,
3122                                  size, bufsize);
3123
3124         DLIST_REMOVE(conn->pending_trans, state);
3125         SAFE_FREE(state->data);
3126         SAFE_FREE(state->param);
3127         TALLOC_FREE(state);
3128
3129         if (outsize == 0) {
3130                 END_PROFILE(SMBnttranss);
3131                 return(ERROR_DOS(ERRSRV,ERRnosupport));
3132         }
3133
3134         END_PROFILE(SMBnttranss);
3135         return(outsize);
3136
3137   bad_param:
3138
3139         DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3140         DLIST_REMOVE(conn->pending_trans, state);
3141         SAFE_FREE(state->data);
3142         SAFE_FREE(state->param);
3143         TALLOC_FREE(state);
3144         END_PROFILE(SMBnttranss);
3145         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3146 }