source/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 int global_oplock_break;
  28 extern struct current_user current_user;
  29
  30 static const char *known_nt_pipes[] = {
  31         "\\LANMAN",
  32         "\\srvsvc",
  33         "\\samr",
  34         "\\wkssvc",
  35         "\\NETLOGON",
  36         "\\ntlsa",
  37         "\\ntsvcs",
  38         "\\lsass",
  39         "\\lsarpc",
  40         "\\winreg",
  41         "\\spoolss",
  42         "\\netdfs",
  43         "\\rpcecho",
  44         "\\svcctl",
  45         "\\eventlog",
  46         NULL
  47 };
  48
  49 static char *nttrans_realloc(char **ptr, size_t size)
  50 {
  51         char *tptr = NULL;
  52         if (ptr==NULL) {
  53                 smb_panic("nttrans_realloc() called with NULL ptr\n");
  54         }
  55
  56         tptr = SMB_REALLOC(*ptr, size);
  57         if(tptr == NULL) {
  58                 *ptr = NULL;
  59                 return NULL;
  60         }
  61         memset(tptr,'\0',size);
  62
  63         *ptr = tptr;
  64
  65         return tptr;
  66 }
  67
  68 /****************************************************************************
  69  Send the required number of replies back.
  70  We assume all fields other than the data fields are
  71  set correctly for the type of call.
  72  HACK ! Always assumes smb_setup field is zero.
  73 ****************************************************************************/
  74
  75 static int send_nt_replies(char *inbuf, char *outbuf, int bufsize, NTSTATUS nt_error, char *params,
  76                            int paramsize, char *pdata, int datasize)
  77 {
  78         int data_to_send = datasize;
  79         int params_to_send = paramsize;
  80         int useable_space;
  81         char *pp = params;
  82         char *pd = pdata;
  83         int params_sent_thistime, data_sent_thistime, total_sent_thistime;
  84         int alignment_offset = 3;
  85         int data_alignment_offset = 0;
  86
  87         /*
  88          * Initially set the wcnt area to be 18 - this is true for all
  89          * transNT replies.
  90          */
  91
  92         set_message(outbuf,18,0,True);
  93
  94         if (NT_STATUS_V(nt_error)) {
  95                 ERROR_NT(nt_error);
  96         }
  97
  98         /*
  99          * If there genuinely are no parameters or data to send just send
 100          * the empty packet.
 101          */
 102
 103         if(params_to_send == 0 && data_to_send == 0) {
 104                 show_msg(outbuf);
 105                 if (!send_smb(smbd_server_fd(),outbuf)) {
 106                         exit_server("send_nt_replies: send_smb failed.");
 107                 }
 108                 return 0;
 109         }
 110
 111         /*
 112          * When sending params and data ensure that both are nicely aligned.
 113          * Only do this alignment when there is also data to send - else
 114          * can cause NT redirector problems.
 115          */
 116
 117         if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
 118                 data_alignment_offset = 4 - (params_to_send % 4);
 119         }
 120
 121         /*
 122          * Space is bufsize minus Netbios over TCP header minus SMB header.
 123          * The alignment_offset is to align the param bytes on a four byte
 124          * boundary (2 bytes for data len, one byte pad).
 125          * NT needs this to work correctly.
 126          */
 127
 128         useable_space = bufsize - ((smb_buf(outbuf)+
 129                                 alignment_offset+data_alignment_offset) -
 130                                 outbuf);
 131
 132         /*
 133          * useable_space can never be more than max_send minus the
 134          * alignment offset.
 135          */
 136
 137         useable_space = MIN(useable_space,
 138                                 max_send - (alignment_offset+data_alignment_offset));
 139
 140
 141         while (params_to_send || data_to_send) {
 142
 143                 /*
 144                  * Calculate whether we will totally or partially fill this packet.
 145                  */
 146
 147                 total_sent_thistime = params_to_send + data_to_send +
 148                                         alignment_offset + data_alignment_offset;
 149
 150                 /*
 151                  * We can never send more than useable_space.
 152                  */
 153
 154                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
 155
 156                 set_message(outbuf, 18, total_sent_thistime, True);
 157
 158                 /*
 159                  * Set total params and data to be sent.
 160                  */
 161
 162                 SIVAL(outbuf,smb_ntr_TotalParameterCount,paramsize);
 163                 SIVAL(outbuf,smb_ntr_TotalDataCount,datasize);
 164
 165                 /*
 166                  * Calculate how many parameters and data we can fit into
 167                  * this packet. Parameters get precedence.
 168                  */
 169
 170                 params_sent_thistime = MIN(params_to_send,useable_space);
 171                 data_sent_thistime = useable_space - params_sent_thistime;
 172                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
 173
 174                 SIVAL(outbuf,smb_ntr_ParameterCount,params_sent_thistime);
 175
 176                 if(params_sent_thistime == 0) {
 177                         SIVAL(outbuf,smb_ntr_ParameterOffset,0);
 178                         SIVAL(outbuf,smb_ntr_ParameterDisplacement,0);
 179                 } else {
 180                         /*
 181                          * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
 182                          * parameter bytes, however the first 4 bytes of outbuf are
 183                          * the Netbios over TCP header. Thus use smb_base() to subtract
 184                          * them from the calculation.
 185                          */
 186
 187                         SIVAL(outbuf,smb_ntr_ParameterOffset,
 188                                 ((smb_buf(outbuf)+alignment_offset) - smb_base(outbuf)));
 189                         /*
 190                          * Absolute displacement of param bytes sent in this packet.
 191                          */
 192
 193                         SIVAL(outbuf,smb_ntr_ParameterDisplacement,pp - params);
 194                 }
 195
 196                 /*
 197                  * Deal with the data portion.
 198                  */
 199
 200                 SIVAL(outbuf,smb_ntr_DataCount, data_sent_thistime);
 201
 202                 if(data_sent_thistime == 0) {
 203                         SIVAL(outbuf,smb_ntr_DataOffset,0);
 204                         SIVAL(outbuf,smb_ntr_DataDisplacement, 0);
 205                 } else {
 206                         /*
 207                          * The offset of the data bytes is the offset of the
 208                          * parameter bytes plus the number of parameters being sent this time.
 209                          */
 210
 211                         SIVAL(outbuf,smb_ntr_DataOffset,((smb_buf(outbuf)+alignment_offset) -
 212                                 smb_base(outbuf)) + params_sent_thistime + data_alignment_offset);
 213                                 SIVAL(outbuf,smb_ntr_DataDisplacement, pd - pdata);
 214                 }
 215
 216                 /*
 217                  * Copy the param bytes into the packet.
 218                  */
 219
 220                 if(params_sent_thistime) {
 221                         memcpy((smb_buf(outbuf)+alignment_offset),pp,params_sent_thistime);
 222                 }
 223
 224                 /*
 225                  * Copy in the data bytes
 226                  */
 227
 228                 if(data_sent_thistime) {
 229                         memcpy(smb_buf(outbuf)+alignment_offset+params_sent_thistime+
 230                                 data_alignment_offset,pd,data_sent_thistime);
 231                 }
 232
 233                 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
 234                         params_sent_thistime, data_sent_thistime, useable_space));
 235                 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
 236                         params_to_send, data_to_send, paramsize, datasize));
 237
 238                 /* Send the packet */
 239                 show_msg(outbuf);
 240                 if (!send_smb(smbd_server_fd(),outbuf)) {
 241                         exit_server("send_nt_replies: send_smb failed.");
 242                 }
 243
 244                 pp += params_sent_thistime;
 245                 pd += data_sent_thistime;
 246
 247                 params_to_send -= params_sent_thistime;
 248                 data_to_send -= data_sent_thistime;
 249
 250                 /*
 251                  * Sanity check
 252                  */
 253
 254                 if(params_to_send < 0 || data_to_send < 0) {
 255                         DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
 256                                 params_to_send, data_to_send));
 257                         return -1;
 258                 }
 259         }
 260
 261         return 0;
 262 }
 263
 264 /****************************************************************************
 265  Is it an NTFS stream name ?
 266 ****************************************************************************/
 267
 268 BOOL is_ntfs_stream_name(const char *fname)
 269 {
 270         if (lp_posix_pathnames()) {
 271                 return False;
 272         }
 273         return (strchr_m(fname, ':') != NULL) ? True : False;
 274 }
 275
 276 /****************************************************************************
 277  Save case statics.
 278 ****************************************************************************/
 279
 280 static BOOL saved_case_sensitive;
 281 static BOOL saved_case_preserve;
 282 static BOOL saved_short_case_preserve;
 283
 284 /****************************************************************************
 285  Save case semantics.
 286 ****************************************************************************/
 287
 288 static void set_posix_case_semantics(connection_struct *conn, uint32 file_attributes)
 289 {
 290         if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS)) {
 291                 return;
 292         }
 293
 294         saved_case_sensitive = conn->case_sensitive;
 295         saved_case_preserve = conn->case_preserve;
 296         saved_short_case_preserve = conn->short_case_preserve;
 297
 298         /* Set to POSIX. */
 299         conn->case_sensitive = True;
 300         conn->case_preserve = True;
 301         conn->short_case_preserve = True;
 302 }
 303
 304 /****************************************************************************
 305  Restore case semantics.
 306 ****************************************************************************/
 307
 308 static void restore_case_semantics(connection_struct *conn, uint32 file_attributes)
 309 {
 310         if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS)) {
 311                 return;
 312         }
 313
 314         conn->case_sensitive = saved_case_sensitive;
 315         conn->case_preserve = saved_case_preserve;
 316         conn->short_case_preserve = saved_short_case_preserve;
 317 }
 318
 319 /****************************************************************************
 320  Reply to an NT create and X call on a pipe.
 321 ****************************************************************************/
 322
 323 static int nt_open_pipe(char *fname, connection_struct *conn,
 324                         char *inbuf, char *outbuf, int *ppnum)
 325 {
 326         smb_np_struct *p = NULL;
 327         uint16 vuid = SVAL(inbuf, smb_uid);
 328         int i;
 329
 330         DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
 331
 332         /* See if it is one we want to handle. */
 333
 334         if (lp_disable_spoolss() && strequal(fname, "\\spoolss")) {
 335                 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
 336         }
 337
 338         for( i = 0; known_nt_pipes[i]; i++ ) {
 339                 if( strequal(fname,known_nt_pipes[i])) {
 340                         break;
 341                 }
 342         }
 343
 344         if ( known_nt_pipes[i] == NULL ) {
 345                 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
 346         }
 347
 348         /* Strip \\ off the name. */
 349         fname++;
 350
 351         DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
 352
 353         p = open_rpc_pipe_p(fname, conn, vuid);
 354         if (!p) {
 355                 return(ERROR_DOS(ERRSRV,ERRnofids));
 356         }
 357
 358         *ppnum = p->pnum;
 359         return 0;
 360 }
 361
 362 /****************************************************************************
 363  Reply to an NT create and X call for pipes.
 364 ****************************************************************************/
 365
 366 static int do_ntcreate_pipe_open(connection_struct *conn,
 367                          char *inbuf,char *outbuf,int length,int bufsize)
 368 {
 369         pstring fname;
 370         int ret;
 371         int pnum = -1;
 372         char *p = NULL;
 373
 374         srvstr_pull_buf(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE);
 375
 376         if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0) {
 377                 return ret;
 378         }
 379
 380         /*
 381          * Deal with pipe return.
 382          */
 383
 384         set_message(outbuf,34,0,True);
 385
 386         p = outbuf + smb_vwv2;
 387         p++;
 388         SSVAL(p,0,pnum);
 389         p += 2;
 390         SIVAL(p,0,FILE_WAS_OPENED);
 391         p += 4;
 392         p += 32;
 393         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 394         p += 20;
 395         /* File type. */
 396         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 397         /* Device state. */
 398         SSVAL(p,2, 0x5FF); /* ? */
 399
 400         DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
 401
 402         return chain_reply(inbuf,outbuf,length,bufsize);
 403 }
 404
 405 /****************************************************************************
 406  Reply to an NT create and X call for a quota file.
 407 ****************************************************************************/
 408
 409 int reply_ntcreate_and_X_quota(connection_struct *conn,
 410                                 char *inbuf,
 411                                 char *outbuf,
 412                                 int length,
 413                                 int bufsize,
 414                                 enum FAKE_FILE_TYPE fake_file_type,
 415                                 const char *fname)
 416 {
 417         int result;
 418         char *p;
 419         uint32 desired_access = IVAL(inbuf,smb_ntcreate_DesiredAccess);
 420         files_struct *fsp = open_fake_file(conn, fake_file_type, fname, desired_access);
 421
 422         if (!fsp) {
 423                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
 424         }
 425
 426         set_message(outbuf,34,0,True);
 427
 428         p = outbuf + smb_vwv2;
 429
 430         /* SCVAL(p,0,NO_OPLOCK_RETURN); */
 431         p++;
 432         SSVAL(p,0,fsp->fnum);
 433 #if 0
 434         p += 2;
 435         SIVAL(p,0,smb_action);
 436         p += 4;
 437
 438         /* Create time. */
 439         put_long_date(p,c_time);
 440         p += 8;
 441         put_long_date(p,sbuf.st_atime); /* access time */
 442         p += 8;
 443         put_long_date(p,sbuf.st_mtime); /* write time */
 444         p += 8;
 445         put_long_date(p,sbuf.st_mtime); /* change time */
 446         p += 8;
 447         SIVAL(p,0,fattr); /* File Attributes. */
 448         p += 4;
 449         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
 450         p += 8;
 451         SOFF_T(p,0,file_len);
 452         p += 8;
 453         if (flags & EXTENDED_RESPONSE_REQUIRED)
 454                 SSVAL(p,2,0x7);
 455         p += 4;
 456         SCVAL(p,0,fsp->is_directory ? 1 : 0);
 457 #endif
 458
 459         DEBUG(5,("reply_ntcreate_and_X_quota: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
 460
 461         result = chain_reply(inbuf,outbuf,length,bufsize);
 462         return result;
 463 }
 464
 465 /****************************************************************************
 466  Reply to an NT create and X call.
 467 ****************************************************************************/
 468
 469 int reply_ntcreate_and_X(connection_struct *conn,
 470                          char *inbuf,char *outbuf,int length,int bufsize)
 471 {
 472         int result;
 473         pstring fname;
 474         uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
 475         uint32 access_mask = IVAL(inbuf,smb_ntcreate_DesiredAccess);
 476         uint32 file_attributes = IVAL(inbuf,smb_ntcreate_FileAttributes);
 477         uint32 share_access = IVAL(inbuf,smb_ntcreate_ShareAccess);
 478         uint32 create_disposition = IVAL(inbuf,smb_ntcreate_CreateDisposition);
 479         uint32 create_options = IVAL(inbuf,smb_ntcreate_CreateOptions);
 480         uint16 root_dir_fid = (uint16)IVAL(inbuf,smb_ntcreate_RootDirectoryFid);
 481         /* Breakout the oplock request bits so we can set the
 482            reply bits separately. */
 483         int oplock_request = 0;
 484         uint32 fattr=0;
 485         SMB_OFF_T file_len = 0;
 486         SMB_STRUCT_STAT sbuf;
 487         int info = 0;
 488         BOOL bad_path = False;
 489         files_struct *fsp=NULL;
 490         char *p = NULL;
 491         time_t c_time;
 492         BOOL extended_oplock_granted = False;
 493         NTSTATUS status;
 494
 495         START_PROFILE(SMBntcreateX);
 496
 497         DEBUG(10,("reply_ntcreateX: flags = 0x%x, access_mask = 0x%x \
 498 file_attributes = 0x%x, share_access = 0x%x, create_disposition = 0x%x \
 499 create_options = 0x%x root_dir_fid = 0x%x\n",
 500                         (unsigned int)flags,
 501                         (unsigned int)access_mask,
 502                         (unsigned int)file_attributes,
 503                         (unsigned int)share_access,
 504                         (unsigned int)create_disposition,
 505                         (unsigned int)create_options,
 506                         (unsigned int)root_dir_fid ));
 507
 508         /* If it's an IPC, use the pipe handler. */
 509
 510         if (IS_IPC(conn)) {
 511                 if (lp_nt_pipe_support()) {
 512                         END_PROFILE(SMBntcreateX);
 513                         return do_ntcreate_pipe_open(conn,inbuf,outbuf,length,bufsize);
 514                 } else {
 515                         END_PROFILE(SMBntcreateX);
 516                         return(ERROR_DOS(ERRDOS,ERRnoaccess));
 517                 }
 518         }
 519
 520         if (create_options & FILE_OPEN_BY_FILE_ID) {
 521                 END_PROFILE(SMBntcreateX);
 522                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
 523         }
 524
 525         /*
 526          * Get the file name.
 527          */
 528
 529         if(root_dir_fid != 0) {
 530                 /*
 531                  * This filename is relative to a directory fid.
 532                  */
 533                 pstring rel_fname;
 534                 files_struct *dir_fsp = file_fsp(inbuf,smb_ntcreate_RootDirectoryFid);
 535                 size_t dir_name_len;
 536
 537                 if(!dir_fsp) {
 538                         END_PROFILE(SMBntcreateX);
 539                         return(ERROR_DOS(ERRDOS,ERRbadfid));
 540                 }
 541
 542                 if(!dir_fsp->is_directory) {
 543
 544                         srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status,False);
 545                         if (!NT_STATUS_IS_OK(status)) {
 546                                 END_PROFILE(SMBntcreateX);
 547                                 return ERROR_NT(status);
 548                         }
 549
 550                         /*
 551                          * Check to see if this is a mac fork of some kind.
 552                          */
 553
 554                         if( is_ntfs_stream_name(fname)) {
 555                                 END_PROFILE(SMBntcreateX);
 556                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 557                         }
 558
 559                         /*
 560                           we need to handle the case when we get a
 561                           relative open relative to a file and the
 562                           pathname is blank - this is a reopen!
 563                           (hint from demyn plantenberg)
 564                         */
 565
 566                         END_PROFILE(SMBntcreateX);
 567                         return(ERROR_DOS(ERRDOS,ERRbadfid));
 568                 }
 569
 570                 /*
 571                  * Copy in the base directory name.
 572                  */
 573
 574                 pstrcpy( fname, dir_fsp->fsp_name );
 575                 dir_name_len = strlen(fname);
 576
 577                 /*
 578                  * Ensure it ends in a '\'.
 579                  */
 580
 581                 if(fname[dir_name_len-1] != '\\' && fname[dir_name_len-1] != '/') {
 582                         pstrcat(fname, "/");
 583                         dir_name_len++;
 584                 }
 585
 586                 srvstr_get_path(inbuf, rel_fname, smb_buf(inbuf), sizeof(rel_fname), 0, STR_TERMINATE, &status,False);
 587                 if (!NT_STATUS_IS_OK(status)) {
 588                         END_PROFILE(SMBntcreateX);
 589                         return ERROR_NT(status);
 590                 }
 591                 pstrcat(fname, rel_fname);
 592         } else {
 593                 srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status,False);
 594                 if (!NT_STATUS_IS_OK(status)) {
 595                         END_PROFILE(SMBntcreateX);
 596                         return ERROR_NT(status);
 597                 }
 598
 599                 /*
 600                  * Check to see if this is a mac fork of some kind.
 601                  */
 602
 603                 if( is_ntfs_stream_name(fname)) {
 604                         enum FAKE_FILE_TYPE fake_file_type = is_fake_file(fname);
 605                         if (fake_file_type!=FAKE_FILE_TYPE_NONE) {
 606                                 /*
 607                                  * Here we go! support for changing the disk quotas --metze
 608                                  *
 609                                  * We need to fake up to open this MAGIC QUOTA file
 610                                  * and return a valid FID.
 611                                  *
 612                                  * w2k close this file directly after openening
 613                                  * xp also tries a QUERY_FILE_INFO on the file and then close it
 614                                  */
 615                                 result = reply_ntcreate_and_X_quota(conn, inbuf, outbuf, length, bufsize,
 616                                                                 fake_file_type, fname);
 617                                 END_PROFILE(SMBntcreateX);
 618                                 return result;
 619                         } else {
 620                                 END_PROFILE(SMBntcreateX);
 621                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 622                         }
 623                 }
 624         }
 625
 626         /*
 627          * Now contruct the smb_open_mode value from the filename,
 628          * desired access and the share access.
 629          */
 630         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
 631
 632         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 633         if (oplock_request) {
 634                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
 635         }
 636
 637         /*
 638          * Ordinary file or directory.
 639          */
 640
 641         /*
 642          * Check if POSIX semantics are wanted.
 643          */
 644
 645         set_posix_case_semantics(conn, file_attributes);
 646
 647         unix_convert(fname,conn,0,&bad_path,&sbuf);
 648
 649         if (bad_path) {
 650                 restore_case_semantics(conn, file_attributes);
 651                 END_PROFILE(SMBntcreateX);
 652                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 653         }
 654         /* All file access must go through check_name() */
 655         if (!check_name(fname,conn)) {
 656                 restore_case_semantics(conn, file_attributes);
 657                 END_PROFILE(SMBntcreateX);
 658                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRbadpath);
 659         }
 660
 661 #if 0
 662         /* This is the correct thing to do (check every time) but can_delete is
 663            expensive (it may have to read the parent directory permissions). So
 664            for now we're not doing it unless we have a strong hint the client
 665            is really going to delete this file. */
 666         if (desired_access & DELETE_ACCESS) {
 667 #else
 668         /* Setting FILE_SHARE_DELETE is the hint. */
 669         if (lp_acl_check_permissions(SNUM(conn)) && (share_access & FILE_SHARE_DELETE)
 670                                 && (access_mask & DELETE_ACCESS)) {
 671 #endif
 672                 status = can_delete(conn, fname, file_attributes, bad_path, True);
 673                 /* We're only going to fail here if it's access denied, as that's the
 674                    only error we care about for "can we delete this ?" questions. */
 675                 if (!NT_STATUS_IS_OK(status) && (NT_STATUS_EQUAL(status,NT_STATUS_ACCESS_DENIED) ||
 676                                                  NT_STATUS_EQUAL(status,NT_STATUS_CANNOT_DELETE))) {
 677                         restore_case_semantics(conn, file_attributes);
 678                         END_PROFILE(SMBntcreateX);
 679                         return ERROR_NT(NT_STATUS_ACCESS_DENIED);
 680                 }
 681         }
 682
 683         /*
 684          * If it's a request for a directory open, deal with it separately.
 685          */
 686
 687         if(create_options & FILE_DIRECTORY_FILE) {
 688                 oplock_request = 0;
 689
 690                 /* Can't open a temp directory. IFS kit test. */
 691                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
 692                         END_PROFILE(SMBntcreateX);
 693                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
 694                 }
 695
 696                 fsp = open_directory(conn, fname, &sbuf,
 697                                         access_mask,
 698                                         share_access,
 699                                         create_disposition,
 700                                         create_options,
 701                                         &info);
 702
 703                 restore_case_semantics(conn, file_attributes);
 704
 705                 if(!fsp) {
 706                         END_PROFILE(SMBntcreateX);
 707                         return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
 708                 }
 709         } else {
 710                 /*
 711                  * Ordinary file case.
 712                  */
 713
 714                 /* NB. We have a potential bug here. If we
 715                  * cause an oplock break to ourselves, then we
 716                  * could end up processing filename related
 717                  * SMB requests whilst we await the oplock
 718                  * break response. As we may have changed the
 719                  * filename case semantics to be POSIX-like,
 720                  * this could mean a filename request could
 721                  * fail when it should succeed. This is a rare
 722                  * condition, but eventually we must arrange
 723                  * to restore the correct case semantics
 724                  * before issuing an oplock break request to
 725                  * our client. JRA.  */
 726
 727                 fsp = open_file_ntcreate(conn,fname,&sbuf,
 728                                         access_mask,
 729                                         share_access,
 730                                         create_disposition,
 731                                         create_options,
 732                                         file_attributes,
 733                                         oplock_request,
 734                                         &info);
 735                 if (!fsp) {
 736                         /* We cheat here. There are two cases we
 737                          * care about. One is a directory rename,
 738                          * where the NT client will attempt to
 739                          * open the source directory for
 740                          * DELETE access. Note that when the
 741                          * NT client does this it does *not*
 742                          * set the directory bit in the
 743                          * request packet. This is translated
 744                          * into a read/write open
 745                          * request. POSIX states that any open
 746                          * for write request on a directory
 747                          * will generate an EISDIR error, so
 748                          * we can catch this here and open a
 749                          * pseudo handle that is flagged as a
 750                          * directory. The second is an open
 751                          * for a permissions read only, which
 752                          * we handle in the open_file_stat case. JRA.
 753                          */
 754
 755                         if(errno == EISDIR) {
 756
 757                                 /*
 758                                  * Fail the open if it was explicitly a non-directory file.
 759                                  */
 760
 761                                 if (create_options & FILE_NON_DIRECTORY_FILE) {
 762                                         restore_case_semantics(conn, file_attributes);
 763                                         END_PROFILE(SMBntcreateX);
 764                                         return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
 765                                 }
 766
 767                                 oplock_request = 0;
 768                                 fsp = open_directory(conn, fname, &sbuf,
 769                                                         access_mask,
 770                                                         share_access,
 771                                                         create_disposition,
 772                                                         create_options,
 773                                                         &info);
 774
 775                                 if(!fsp) {
 776                                         restore_case_semantics(conn, file_attributes);
 777                                         END_PROFILE(SMBntcreateX);
 778                                         return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
 779                                 }
 780                         } else {
 781
 782                                 restore_case_semantics(conn, file_attributes);
 783                                 END_PROFILE(SMBntcreateX);
 784                                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
 785                                         /* We have re-scheduled this call. */
 786                                         return -1;
 787                                 }
 788                                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
 789                         }
 790                 }
 791         }
 792
 793         restore_case_semantics(conn, file_attributes);
 794
 795         file_len = sbuf.st_size;
 796         fattr = dos_mode(conn,fname,&sbuf);
 797         if(fattr == 0) {
 798                 fattr = FILE_ATTRIBUTE_NORMAL;
 799         }
 800         if (!fsp->is_directory && (fattr & aDIR)) {
 801                 close_file(fsp,False);
 802                 END_PROFILE(SMBntcreateX);
 803                 return ERROR_DOS(ERRDOS,ERRnoaccess);
 804         }
 805
 806         /* Save the requested allocation size. */
 807         if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
 808                 SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize);
 809 #ifdef LARGE_SMB_OFF_T
 810                 allocation_size |= (((SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
 811 #endif
 812                 if (allocation_size && (allocation_size > (SMB_BIG_UINT)file_len)) {
 813                         fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
 814                         if (fsp->is_directory) {
 815                                 close_file(fsp,False);
 816                                 END_PROFILE(SMBntcreateX);
 817                                 /* Can't set allocation size on a directory. */
 818                                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
 819                         }
 820                         if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
 821                                 close_file(fsp,False);
 822                                 END_PROFILE(SMBntcreateX);
 823                                 return ERROR_NT(NT_STATUS_DISK_FULL);
 824                         }
 825                 } else {
 826                         fsp->initial_allocation_size = smb_roundup(fsp->conn,(SMB_BIG_UINT)file_len);
 827                 }
 828         }
 829
 830         /*
 831          * If the caller set the extended oplock request bit
 832          * and we granted one (by whatever means) - set the
 833          * correct bit for extended oplock reply.
 834          */
 835
 836         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
 837                 extended_oplock_granted = True;
 838         }
 839
 840         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
 841                 extended_oplock_granted = True;
 842         }
 843
 844 #if 0
 845         /* W2K sends back 42 words here ! If we do the same it breaks offline sync. Go figure... ? JRA. */
 846         set_message(outbuf,42,0,True);
 847 #else
 848         set_message(outbuf,34,0,True);
 849 #endif
 850
 851         p = outbuf + smb_vwv2;
 852
 853         /*
 854          * Currently as we don't support level II oplocks we just report
 855          * exclusive & batch here.
 856          */
 857
 858         if (extended_oplock_granted) {
 859                 if (flags & REQUEST_BATCH_OPLOCK) {
 860                         SCVAL(p,0, BATCH_OPLOCK_RETURN);
 861                 } else {
 862                         SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
 863                 }
 864         } else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type)) {
 865                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
 866         } else {
 867                 SCVAL(p,0,NO_OPLOCK_RETURN);
 868         }
 869
 870         p++;
 871         SSVAL(p,0,fsp->fnum);
 872         p += 2;
 873         if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
 874                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
 875         } else {
 876                 SIVAL(p,0,info);
 877         }
 878         p += 4;
 879
 880         /* Create time. */
 881         c_time = get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
 882
 883         if (lp_dos_filetime_resolution(SNUM(conn))) {
 884                 c_time &= ~1;
 885                 sbuf.st_atime &= ~1;
 886                 sbuf.st_mtime &= ~1;
 887                 sbuf.st_mtime &= ~1;
 888         }
 889
 890         put_long_date(p,c_time);
 891         p += 8;
 892         put_long_date(p,sbuf.st_atime); /* access time */
 893         p += 8;
 894         put_long_date(p,sbuf.st_mtime); /* write time */
 895         p += 8;
 896         put_long_date(p,sbuf.st_mtime); /* change time */
 897         p += 8;
 898         SIVAL(p,0,fattr); /* File Attributes. */
 899         p += 4;
 900         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
 901         p += 8;
 902         SOFF_T(p,0,file_len);
 903         p += 8;
 904         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 905                 SSVAL(p,2,0x7);
 906         }
 907         p += 4;
 908         SCVAL(p,0,fsp->is_directory ? 1 : 0);
 909
 910         DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
 911
 912         result = chain_reply(inbuf,outbuf,length,bufsize);
 913         END_PROFILE(SMBntcreateX);
 914         return result;
 915 }
 916
 917 /****************************************************************************
 918  Reply to a NT_TRANSACT_CREATE call to open a pipe.
 919 ****************************************************************************/
 920
 921 static int do_nt_transact_create_pipe( connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
 922                                   char **ppsetup, uint32 setup_count,
 923                                   char **ppparams, uint32 parameter_count,
 924                                   char **ppdata, uint32 data_count)
 925 {
 926         pstring fname;
 927         char *params = *ppparams;
 928         int ret;
 929         int pnum = -1;
 930         char *p = NULL;
 931         NTSTATUS status;
 932
 933         /*
 934          * Ensure minimum number of parameters sent.
 935          */
 936
 937         if(parameter_count < 54) {
 938                 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
 939                 return ERROR_DOS(ERRDOS,ERRnoaccess);
 940         }
 941
 942         srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status, False);
 943         if (!NT_STATUS_IS_OK(status)) {
 944                 return ERROR_NT(status);
 945         }
 946
 947         if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0) {
 948                 return ret;
 949         }
 950
 951         /* Realloc the size of parameters and data we will return */
 952         params = nttrans_realloc(ppparams, 69);
 953         if(params == NULL) {
 954                 return ERROR_DOS(ERRDOS,ERRnomem);
 955         }
 956
 957         p = params;
 958         SCVAL(p,0,NO_OPLOCK_RETURN);
 959
 960         p += 2;
 961         SSVAL(p,0,pnum);
 962         p += 2;
 963         SIVAL(p,0,FILE_WAS_OPENED);
 964         p += 8;
 965
 966         p += 32;
 967         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 968         p += 20;
 969         /* File type. */
 970         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 971         /* Device state. */
 972         SSVAL(p,2, 0x5FF); /* ? */
 973
 974         DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
 975
 976         /* Send the required number of replies */
 977         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
 978
 979         return -1;
 980 }
 981
 982 /****************************************************************************
 983  Internal fn to set security descriptors.
 984 ****************************************************************************/
 985
 986 static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent)
 987 {
 988         prs_struct pd;
 989         SEC_DESC *psd = NULL;
 990         TALLOC_CTX *mem_ctx;
 991         BOOL ret;
 992
 993         if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
 994                 return NT_STATUS_OK;
 995         }
 996
 997         /*
 998          * Init the parse struct we will unmarshall from.
 999          */
1000
1001         if ((mem_ctx = talloc_init("set_sd")) == NULL) {
1002                 DEBUG(0,("set_sd: talloc_init failed.\n"));
1003                 return NT_STATUS_NO_MEMORY;
1004         }
1005
1006         prs_init(&pd, 0, mem_ctx, UNMARSHALL);
1007
1008         /*
1009          * Setup the prs_struct to point at the memory we just
1010          * allocated.
1011          */
1012
1013         prs_give_memory( &pd, data, sd_len, False);
1014
1015         /*
1016          * Finally, unmarshall from the data buffer.
1017          */
1018
1019         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1020                 DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
1021                 /*
1022                  * Return access denied for want of a better error message..
1023                  */
1024                 talloc_destroy(mem_ctx);
1025                 return NT_STATUS_NO_MEMORY;
1026         }
1027
1028         if (psd->off_owner_sid==0) {
1029                 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
1030         }
1031         if (psd->off_grp_sid==0) {
1032                 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
1033         }
1034         if (psd->off_sacl==0) {
1035                 security_info_sent &= ~SACL_SECURITY_INFORMATION;
1036         }
1037         if (psd->off_dacl==0) {
1038                 security_info_sent &= ~DACL_SECURITY_INFORMATION;
1039         }
1040
1041         ret = SMB_VFS_FSET_NT_ACL( fsp, fsp->fh->fd, security_info_sent, psd);
1042
1043         if (!ret) {
1044                 talloc_destroy(mem_ctx);
1045                 return NT_STATUS_ACCESS_DENIED;
1046         }
1047
1048         talloc_destroy(mem_ctx);
1049
1050         return NT_STATUS_OK;
1051 }
1052
1053 /****************************************************************************
1054  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
1055 ****************************************************************************/
1056
1057 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
1058 {
1059         struct ea_list *ea_list_head = NULL;
1060         size_t offset = 0;
1061
1062         if (data_size < 4) {
1063                 return NULL;
1064         }
1065
1066         while (offset + 4 <= data_size) {
1067                 size_t next_offset = IVAL(pdata,offset);
1068                 struct ea_list *tmp;
1069                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
1070
1071                 DLIST_ADD_END(ea_list_head, eal, tmp);
1072                 if (next_offset == 0) {
1073                         break;
1074                 }
1075                 offset += next_offset;
1076         }
1077
1078         return ea_list_head;
1079 }
1080
1081 /****************************************************************************
1082  Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1083 ****************************************************************************/
1084
1085 static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1086                                   char **ppsetup, uint32 setup_count,
1087                                   char **ppparams, uint32 parameter_count,
1088                                   char **ppdata, uint32 data_count, uint32 max_data_count)
1089 {
1090         pstring fname;
1091         char *params = *ppparams;
1092         char *data = *ppdata;
1093         /* Breakout the oplock request bits so we can set the reply bits separately. */
1094         int oplock_request = 0;
1095         uint32 fattr=0;
1096         SMB_OFF_T file_len = 0;
1097         SMB_STRUCT_STAT sbuf;
1098         int info = 0;
1099         BOOL bad_path = False;
1100         files_struct *fsp = NULL;
1101         char *p = NULL;
1102         BOOL extended_oplock_granted = False;
1103         uint32 flags;
1104         uint32 access_mask;
1105         uint32 file_attributes;
1106         uint32 share_access;
1107         uint32 create_disposition;
1108         uint32 create_options;
1109         uint32 sd_len;
1110         uint32 ea_len;
1111         uint16 root_dir_fid;
1112         time_t c_time;
1113         struct ea_list *ea_list = NULL;
1114         TALLOC_CTX *ctx = NULL;
1115         char *pdata = NULL;
1116         NTSTATUS status;
1117
1118         DEBUG(5,("call_nt_transact_create\n"));
1119
1120         /*
1121          * If it's an IPC, use the pipe handler.
1122          */
1123
1124         if (IS_IPC(conn)) {
1125                 if (lp_nt_pipe_support()) {
1126                         return do_nt_transact_create_pipe(conn, inbuf, outbuf, length,
1127                                         bufsize,
1128                                         ppsetup, setup_count,
1129                                         ppparams, parameter_count,
1130                                         ppdata, data_count);
1131                 } else {
1132                         return ERROR_DOS(ERRDOS,ERRnoaccess);
1133                 }
1134         }
1135
1136         /*
1137          * Ensure minimum number of parameters sent.
1138          */
1139
1140         if(parameter_count < 54) {
1141                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1142                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1143         }
1144
1145         flags = IVAL(params,0);
1146         access_mask = IVAL(params,8);
1147         file_attributes = IVAL(params,20);
1148         share_access = IVAL(params,24);
1149         create_disposition = IVAL(params,28);
1150         create_options = IVAL(params,32);
1151         sd_len = IVAL(params,36);
1152         ea_len = IVAL(params,40);
1153         root_dir_fid = (uint16)IVAL(params,4);
1154
1155         /* Ensure the data_len is correct for the sd and ea values given. */
1156         if ((ea_len + sd_len > data_count) ||
1157                         (ea_len > data_count) || (sd_len > data_count) ||
1158                         (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1159                 DEBUG(10,("call_nt_transact_create - ea_len = %u, sd_len = %u, data_count = %u\n",
1160                         (unsigned int)ea_len, (unsigned int)sd_len, (unsigned int)data_count ));
1161                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1162         }
1163
1164         if (ea_len) {
1165                 if (!lp_ea_support(SNUM(conn))) {
1166                         DEBUG(10,("call_nt_transact_create - ea_len = %u but EA's not supported.\n",
1167                                 (unsigned int)ea_len ));
1168                         return ERROR_NT(NT_STATUS_EAS_NOT_SUPPORTED);
1169                 }
1170
1171                 if (ea_len < 10) {
1172                         DEBUG(10,("call_nt_transact_create - ea_len = %u - too small (should be more than 10)\n",
1173                                 (unsigned int)ea_len ));
1174                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1175                 }
1176         }
1177
1178         if (create_options & FILE_OPEN_BY_FILE_ID) {
1179                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1180         }
1181
1182         /*
1183          * Get the file name.
1184          */
1185
1186         if(root_dir_fid != 0) {
1187                 /*
1188                  * This filename is relative to a directory fid.
1189                  */
1190                 files_struct *dir_fsp = file_fsp(params,4);
1191                 size_t dir_name_len;
1192
1193                 if(!dir_fsp) {
1194                         return ERROR_DOS(ERRDOS,ERRbadfid);
1195                 }
1196
1197                 if(!dir_fsp->is_directory) {
1198                         srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status, False);
1199                         if (!NT_STATUS_IS_OK(status)) {
1200                                 return ERROR_NT(status);
1201                         }
1202
1203                         /*
1204                          * Check to see if this is a mac fork of some kind.
1205                          */
1206
1207                         if( is_ntfs_stream_name(fname)) {
1208                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1209                         }
1210
1211                         return ERROR_DOS(ERRDOS,ERRbadfid);
1212                 }
1213
1214                 /*
1215                  * Copy in the base directory name.
1216                  */
1217
1218                 pstrcpy( fname, dir_fsp->fsp_name );
1219                 dir_name_len = strlen(fname);
1220
1221                 /*
1222                  * Ensure it ends in a '\'.
1223                  */
1224
1225                 if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
1226                         pstrcat(fname, "/");
1227                         dir_name_len++;
1228                 }
1229
1230                 {
1231                         pstring tmpname;
1232                         srvstr_get_path(inbuf, tmpname, params+53, sizeof(tmpname), parameter_count-53, STR_TERMINATE, &status, False);
1233                         if (!NT_STATUS_IS_OK(status)) {
1234                                 return ERROR_NT(status);
1235                         }
1236                         pstrcat(fname, tmpname);
1237                 }
1238         } else {
1239                 srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status, False);
1240                 if (!NT_STATUS_IS_OK(status)) {
1241                         return ERROR_NT(status);
1242                 }
1243
1244                 /*
1245                  * Check to see if this is a mac fork of some kind.
1246                  */
1247
1248                 if( is_ntfs_stream_name(fname)) {
1249                         return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1250                 }
1251         }
1252
1253         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1254         oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1255
1256         /*
1257          * Check if POSIX semantics are wanted.
1258          */
1259
1260         set_posix_case_semantics(conn, file_attributes);
1261
1262         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
1263
1264         unix_convert(fname,conn,0,&bad_path,&sbuf);
1265         if (bad_path) {
1266                 restore_case_semantics(conn, file_attributes);
1267                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1268         }
1269         /* All file access must go through check_name() */
1270         if (!check_name(fname,conn)) {
1271                 restore_case_semantics(conn, file_attributes);
1272                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRbadpath);
1273         }
1274
1275 #if 0
1276         /* This is the correct thing to do (check every time) but can_delete is
1277            expensive (it may have to read the parent directory permissions). So
1278            for now we're not doing it unless we have a strong hint the client
1279            is really going to delete this file. */
1280         if (desired_access & DELETE_ACCESS) {
1281 #else
1282         /* Setting FILE_SHARE_DELETE is the hint. */
1283         if (lp_acl_check_permissions(SNUM(conn)) && (share_access & FILE_SHARE_DELETE) && (access_mask & DELETE_ACCESS)) {
1284 #endif
1285                 status = can_delete(conn, fname, file_attributes, bad_path, True);
1286                 /* We're only going to fail here if it's access denied, as that's the
1287                    only error we care about for "can we delete this ?" questions. */
1288                 if (!NT_STATUS_IS_OK(status) && (NT_STATUS_EQUAL(status,NT_STATUS_ACCESS_DENIED) ||
1289                                                  NT_STATUS_EQUAL(status,NT_STATUS_CANNOT_DELETE))) {
1290                         restore_case_semantics(conn, file_attributes);
1291                         END_PROFILE(SMBntcreateX);
1292                         return ERROR_NT(status);
1293                 }
1294         }
1295
1296         if (ea_len) {
1297                 ctx = talloc_init("NTTRANS_CREATE_EA");
1298                 if (!ctx) {
1299                         talloc_destroy(ctx);
1300                         restore_case_semantics(conn, file_attributes);
1301                         return ERROR_NT(NT_STATUS_NO_MEMORY);
1302                 }
1303
1304                 pdata = data + sd_len;
1305
1306                 /* We have already checked that ea_len <= data_count here. */
1307                 ea_list = read_nttrans_ea_list(ctx, pdata, ea_len);
1308                 if (!ea_list ) {
1309                         talloc_destroy(ctx);
1310                         restore_case_semantics(conn, file_attributes);
1311                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1312                 }
1313         }
1314
1315         /*
1316          * If it's a request for a directory open, deal with it separately.
1317          */
1318
1319         if(create_options & FILE_DIRECTORY_FILE) {
1320
1321                 /* Can't open a temp directory. IFS kit test. */
1322                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
1323                         talloc_destroy(ctx);
1324                         restore_case_semantics(conn, file_attributes);
1325                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1326                 }
1327
1328                 oplock_request = 0;
1329
1330                 /*
1331                  * We will get a create directory here if the Win32
1332                  * app specified a security descriptor in the
1333                  * CreateDirectory() call.
1334                  */
1335
1336                 fsp = open_directory(conn, fname, &sbuf,
1337                                         access_mask,
1338                                         share_access,
1339                                         create_disposition,
1340                                         create_options,
1341                                         &info);
1342                 if(!fsp) {
1343                         talloc_destroy(ctx);
1344                         restore_case_semantics(conn, file_attributes);
1345                         return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
1346                 }
1347
1348         } else {
1349
1350                 /*
1351                  * Ordinary file case.
1352                  */
1353
1354                 fsp = open_file_ntcreate(conn,fname,&sbuf,
1355                                         access_mask,
1356                                         share_access,
1357                                         create_disposition,
1358                                         create_options,
1359                                         file_attributes,
1360                                         oplock_request,
1361                                         &info);
1362
1363                 if (!fsp) {
1364                         if(errno == EISDIR) {
1365
1366                                 /*
1367                                  * Fail the open if it was explicitly a non-directory file.
1368                                  */
1369
1370                                 if (create_options & FILE_NON_DIRECTORY_FILE) {
1371                                         restore_case_semantics(conn, file_attributes);
1372                                         return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
1373                                 }
1374
1375                                 oplock_request = 0;
1376                                 fsp = open_directory(conn, fname, &sbuf,
1377                                                         access_mask,
1378                                                         share_access,
1379                                                         create_disposition,
1380                                                         create_options,
1381                                                         &info);
1382                                 if(!fsp) {
1383                                         talloc_destroy(ctx);
1384                                         restore_case_semantics(conn, file_attributes);
1385                                         return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
1386                                 }
1387                         } else {
1388                                 talloc_destroy(ctx);
1389                                 restore_case_semantics(conn, file_attributes);
1390                                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1391                                         /* We have re-scheduled this call. */
1392                                         return -1;
1393                                 }
1394                                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
1395                         }
1396                 }
1397         }
1398
1399         /*
1400          * According to the MS documentation, the only time the security
1401          * descriptor is applied to the opened file is iff we *created* the
1402          * file; an existing file stays the same.
1403          *
1404          * Also, it seems (from observation) that you can open the file with
1405          * any access mask but you can still write the sd. We need to override
1406          * the granted access before we call set_sd
1407          * Patch for bug #2242 from Tom Lackemann <cessnatomny@yahoo.com>.
1408          */
1409
1410         if (lp_nt_acl_support(SNUM(conn)) && sd_len && info == FILE_WAS_CREATED) {
1411                 uint32 saved_access_mask = fsp->access_mask;
1412
1413                 /* We have already checked that sd_len <= data_count here. */
1414
1415                 fsp->access_mask = FILE_GENERIC_ALL;
1416
1417                 status = set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION);
1418                 if (!NT_STATUS_IS_OK(status)) {
1419                         talloc_destroy(ctx);
1420                         close_file(fsp,False);
1421                         restore_case_semantics(conn, file_attributes);
1422                         return ERROR_NT(status);
1423                 }
1424                 fsp->access_mask = saved_access_mask;
1425         }
1426
1427         if (ea_len && (info == FILE_WAS_CREATED)) {
1428                 status = set_ea(conn, fsp, fname, ea_list);
1429                 talloc_destroy(ctx);
1430                 if (!NT_STATUS_IS_OK(status)) {
1431                         close_file(fsp,False);
1432                         restore_case_semantics(conn, file_attributes);
1433                         return ERROR_NT(status);
1434                 }
1435         }
1436
1437         restore_case_semantics(conn, file_attributes);
1438
1439         file_len = sbuf.st_size;
1440         fattr = dos_mode(conn,fname,&sbuf);
1441         if(fattr == 0) {
1442                 fattr = FILE_ATTRIBUTE_NORMAL;
1443         }
1444         if (!fsp->is_directory && (fattr & aDIR)) {
1445                 close_file(fsp,False);
1446                 return ERROR_DOS(ERRDOS,ERRnoaccess);
1447         }
1448
1449         /* Save the requested allocation size. */
1450         if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
1451                 SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(params,12);
1452 #ifdef LARGE_SMB_OFF_T
1453                 allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
1454 #endif
1455                 if (allocation_size && (allocation_size > file_len)) {
1456                         fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
1457                         if (fsp->is_directory) {
1458                                 close_file(fsp,False);
1459                                 /* Can't set allocation size on a directory. */
1460                                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1461                         }
1462                         if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1463                                 close_file(fsp,False);
1464                                 return ERROR_NT(NT_STATUS_DISK_FULL);
1465                         }
1466                 } else {
1467                         fsp->initial_allocation_size = smb_roundup(fsp->conn, (SMB_BIG_UINT)file_len);
1468                 }
1469         }
1470
1471         /*
1472          * If the caller set the extended oplock request bit
1473          * and we granted one (by whatever means) - set the
1474          * correct bit for extended oplock reply.
1475          */
1476
1477         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1478                 extended_oplock_granted = True;
1479         }
1480
1481         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1482                 extended_oplock_granted = True;
1483         }
1484
1485         /* Realloc the size of parameters and data we will return */
1486         params = nttrans_realloc(ppparams, 69);
1487         if(params == NULL) {
1488                 return ERROR_DOS(ERRDOS,ERRnomem);
1489         }
1490
1491         p = params;
1492         if (extended_oplock_granted) {
1493                 SCVAL(p,0, BATCH_OPLOCK_RETURN);
1494         } else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type)) {
1495                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
1496         } else {
1497                 SCVAL(p,0,NO_OPLOCK_RETURN);
1498         }
1499
1500         p += 2;
1501         SSVAL(p,0,fsp->fnum);
1502         p += 2;
1503         if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
1504                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1505         } else {
1506                 SIVAL(p,0,info);
1507         }
1508         p += 8;
1509
1510         /* Create time. */
1511         c_time = get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1512
1513         if (lp_dos_filetime_resolution(SNUM(conn))) {
1514                 c_time &= ~1;
1515                 sbuf.st_atime &= ~1;
1516                 sbuf.st_mtime &= ~1;
1517                 sbuf.st_mtime &= ~1;
1518         }
1519
1520         put_long_date(p,c_time);
1521         p += 8;
1522         put_long_date(p,sbuf.st_atime); /* access time */
1523         p += 8;
1524         put_long_date(p,sbuf.st_mtime); /* write time */
1525         p += 8;
1526         put_long_date(p,sbuf.st_mtime); /* change time */
1527         p += 8;
1528         SIVAL(p,0,fattr); /* File Attributes. */
1529         p += 4;
1530         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1531         p += 8;
1532         SOFF_T(p,0,file_len);
1533         p += 8;
1534         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1535                 SSVAL(p,2,0x7);
1536         }
1537         p += 4;
1538         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1539
1540         DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
1541
1542         /* Send the required number of replies */
1543         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
1544
1545         return -1;
1546 }
1547
1548 /****************************************************************************
1549  Reply to a NT CANCEL request.
1550 ****************************************************************************/
1551
1552 int reply_ntcancel(connection_struct *conn,
1553                    char *inbuf,char *outbuf,int length,int bufsize)
1554 {
1555         /*
1556          * Go through and cancel any pending change notifies.
1557          */
1558
1559         int mid = SVAL(inbuf,smb_mid);
1560         START_PROFILE(SMBntcancel);
1561         remove_pending_change_notify_requests_by_mid(mid);
1562         remove_pending_lock_requests_by_mid(mid);
1563         srv_cancel_sign_response(mid);
1564
1565         DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", mid));
1566
1567         END_PROFILE(SMBntcancel);
1568         return(-1);
1569 }
1570
1571 /****************************************************************************
1572  Copy a file.
1573 ****************************************************************************/
1574
1575 static NTSTATUS copy_internals(connection_struct *conn, char *oldname, char *newname, uint32 attrs)
1576 {
1577         BOOL bad_path_oldname = False;
1578         BOOL bad_path_newname = False;
1579         SMB_STRUCT_STAT sbuf1, sbuf2;
1580         pstring last_component_oldname;
1581         pstring last_component_newname;
1582         files_struct *fsp1,*fsp2;
1583         uint32 fattr;
1584         int info;
1585         SMB_OFF_T ret=-1;
1586         int close_ret;
1587         NTSTATUS status = NT_STATUS_OK;
1588
1589         ZERO_STRUCT(sbuf1);
1590         ZERO_STRUCT(sbuf2);
1591
1592         /* No wildcards. */
1593         if (ms_has_wild(newname) || ms_has_wild(oldname)) {
1594                 return NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1595         }
1596
1597         if (!CAN_WRITE(conn))
1598                 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1599
1600         unix_convert(oldname,conn,last_component_oldname,&bad_path_oldname,&sbuf1);
1601         if (bad_path_oldname) {
1602                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
1603         }
1604
1605         /* Quick check for "." and ".." */
1606         if (last_component_oldname[0] == '.') {
1607                 if (!last_component_oldname[1] || (last_component_oldname[1] == '.' && !last_component_oldname[2])) {
1608                         return NT_STATUS_OBJECT_NAME_INVALID;
1609                 }
1610         }
1611
1612         /* Source must already exist. */
1613         if (!VALID_STAT(sbuf1)) {
1614                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1615         }
1616         if (!check_name(oldname,conn)) {
1617                 return NT_STATUS_ACCESS_DENIED;
1618         }
1619
1620         /* Ensure attributes match. */
1621         fattr = dos_mode(conn,oldname,&sbuf1);
1622         if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1623                 return NT_STATUS_NO_SUCH_FILE;
1624         }
1625
1626         unix_convert(newname,conn,last_component_newname,&bad_path_newname,&sbuf2);
1627         if (bad_path_newname) {
1628                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
1629         }
1630
1631         /* Quick check for "." and ".." */
1632         if (last_component_newname[0] == '.') {
1633                 if (!last_component_newname[1] || (last_component_newname[1] == '.' && !last_component_newname[2])) {
1634                         return NT_STATUS_OBJECT_NAME_INVALID;
1635                 }
1636         }
1637
1638         /* Disallow if newname already exists. */
1639         if (VALID_STAT(sbuf2)) {
1640                 return NT_STATUS_OBJECT_NAME_COLLISION;
1641         }
1642
1643         if (!check_name(newname,conn)) {
1644                 return NT_STATUS_ACCESS_DENIED;
1645         }
1646
1647         /* No links from a directory. */
1648         if (S_ISDIR(sbuf1.st_mode)) {
1649                 return NT_STATUS_FILE_IS_A_DIRECTORY;
1650         }
1651
1652         /* Ensure this is within the share. */
1653         if (!reduce_name(conn, oldname) != 0) {
1654                 return NT_STATUS_ACCESS_DENIED;
1655         }
1656
1657         DEBUG(10,("copy_internals: doing file copy %s to %s\n", oldname, newname));
1658
1659         fsp1 = open_file_ntcreate(conn,oldname,&sbuf1,
1660                         FILE_READ_DATA, /* Read-only. */
1661                         0, /* No sharing. */
1662                         FILE_OPEN,
1663                         0, /* No create options. */
1664                         FILE_ATTRIBUTE_NORMAL,
1665                         INTERNAL_OPEN_ONLY,
1666                         &info);
1667
1668         if (!fsp1) {
1669                 get_saved_error_triple(NULL, NULL, &status);
1670                 if (NT_STATUS_IS_OK(status)) {
1671                         status = NT_STATUS_ACCESS_DENIED;
1672                 }
1673                 set_saved_error_triple(0, 0, NT_STATUS_OK);
1674                 return status;
1675         }
1676
1677         fsp2 = open_file_ntcreate(conn,newname,&sbuf2,
1678                         FILE_WRITE_DATA, /* Read-only. */
1679                         0, /* No sharing. */
1680                         FILE_CREATE,
1681                         0, /* No create options. */
1682                         fattr,
1683                         INTERNAL_OPEN_ONLY,
1684                         &info);
1685
1686         if (!fsp2) {
1687                 get_saved_error_triple(NULL, NULL, &status);
1688                 if (NT_STATUS_IS_OK(status)) {
1689                         status = NT_STATUS_ACCESS_DENIED;
1690                 }
1691                 set_saved_error_triple(0, 0, NT_STATUS_OK);
1692                 close_file(fsp1,False);
1693                 return status;
1694         }
1695
1696         if (sbuf1.st_size) {
1697                 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1698         }
1699
1700         /*
1701          * As we are opening fsp1 read-only we only expect
1702          * an error on close on fsp2 if we are out of space.
1703          * Thus we don't look at the error return from the
1704          * close of fsp1.
1705          */
1706         close_file(fsp1,False);
1707
1708         /* Ensure the modtime is set correctly on the destination file. */
1709         fsp_set_pending_modtime(fsp2, sbuf1.st_mtime);
1710
1711         close_ret = close_file(fsp2,False);
1712
1713         /* Grrr. We have to do this as open_file_shared1 adds aARCH when it
1714            creates the file. This isn't the correct thing to do in the copy case. JRA */
1715         file_set_dosmode(conn, newname, fattr, &sbuf2, True);
1716
1717         if (ret < (SMB_OFF_T)sbuf1.st_size) {
1718                 return NT_STATUS_DISK_FULL;
1719         }
1720
1721         if (close_ret != 0) {
1722                 status = map_nt_error_from_unix(close_ret);
1723                 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1724                         nt_errstr(status), oldname, newname));
1725         }
1726         return status;
1727 }
1728
1729 /****************************************************************************
1730  Reply to a NT rename request.
1731 ****************************************************************************/
1732
1733 int reply_ntrename(connection_struct *conn,
1734                    char *inbuf,char *outbuf,int length,int bufsize)
1735 {
1736         int outsize = 0;
1737         pstring oldname;
1738         pstring newname;
1739         char *p;
1740         NTSTATUS status;
1741         uint32 attrs = SVAL(inbuf,smb_vwv0);
1742         uint16 rename_type = SVAL(inbuf,smb_vwv1);
1743
1744         START_PROFILE(SMBntrename);
1745
1746         p = smb_buf(inbuf) + 1;
1747         p += srvstr_get_path(inbuf, oldname, p, sizeof(oldname), 0, STR_TERMINATE, &status, True);
1748         if (!NT_STATUS_IS_OK(status)) {
1749                 END_PROFILE(SMBntrename);
1750                 return ERROR_NT(status);
1751         }
1752
1753         if( is_ntfs_stream_name(oldname)) {
1754                 /* Can't rename a stream. */
1755                 END_PROFILE(SMBntrename);
1756                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1757         }
1758
1759         if (ms_has_wild(oldname)) {
1760                 END_PROFILE(SMBntrename);
1761                 return ERROR_NT(NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1762         }
1763
1764         p++;
1765         p += srvstr_get_path(inbuf, newname, p, sizeof(newname), 0, STR_TERMINATE, &status, False);
1766         if (!NT_STATUS_IS_OK(status)) {
1767                 END_PROFILE(SMBntrename);
1768                 return ERROR_NT(status);
1769         }
1770
1771         RESOLVE_DFSPATH(oldname, conn, inbuf, outbuf);
1772         RESOLVE_DFSPATH(newname, conn, inbuf, outbuf);
1773
1774         DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1775
1776         switch(rename_type) {
1777                 case RENAME_FLAG_RENAME:
1778                         status = rename_internals(conn, oldname, newname, attrs, False);
1779                         break;
1780                 case RENAME_FLAG_HARD_LINK:
1781                         status = hardlink_internals(conn, oldname, newname);
1782                         break;
1783                 case RENAME_FLAG_COPY:
1784                         status = copy_internals(conn, oldname, newname, attrs);
1785                         break;
1786                 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1787                         status = NT_STATUS_INVALID_PARAMETER;
1788                         break;
1789                 default:
1790                         status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1791                         break;
1792         }
1793
1794         if (!NT_STATUS_IS_OK(status)) {
1795                 END_PROFILE(SMBntrename);
1796                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1797                         /* We have re-scheduled this call. */
1798                         return -1;
1799                 }
1800                 return ERROR_NT(status);
1801         }
1802
1803         /*
1804          * Win2k needs a changenotify request response before it will
1805          * update after a rename..
1806          */
1807         process_pending_change_notify_queue((time_t)0);
1808         outsize = set_message(outbuf,0,0,True);
1809
1810         END_PROFILE(SMBntrename);
1811         return(outsize);
1812 }
1813
1814 /****************************************************************************
1815  Reply to an unsolicited SMBNTtranss - just ignore it!
1816 ****************************************************************************/
1817
1818 int reply_nttranss(connection_struct *conn,
1819                    char *inbuf,char *outbuf,int length,int bufsize)
1820 {
1821         START_PROFILE(SMBnttranss);
1822         DEBUG(4,("Ignoring nttranss of length %d\n",length));
1823         END_PROFILE(SMBnttranss);
1824         return(-1);
1825 }
1826
1827 /****************************************************************************
1828  Reply to a notify change - queue the request and
1829  don't allow a directory to be opened.
1830 ****************************************************************************/
1831
1832 static int call_nt_transact_notify_change(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1833                                   char **ppsetup, uint32 setup_count,
1834                                   char **ppparams, uint32 parameter_count,
1835                                   char **ppdata, uint32 data_count, uint32 max_data_count)
1836 {
1837         char *setup = *ppsetup;
1838         files_struct *fsp;
1839         uint32 flags;
1840
1841         if(setup_count < 6) {
1842                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1843         }
1844
1845         fsp = file_fsp(setup,4);
1846         flags = IVAL(setup, 0);
1847
1848         DEBUG(3,("call_nt_transact_notify_change\n"));
1849
1850         if(!fsp) {
1851                 return ERROR_DOS(ERRDOS,ERRbadfid);
1852         }
1853
1854         if((!fsp->is_directory) || (conn != fsp->conn)) {
1855                 return ERROR_DOS(ERRDOS,ERRbadfid);
1856         }
1857
1858         if (!change_notify_set(inbuf, fsp, conn, flags)) {
1859                 return(UNIXERROR(ERRDOS,ERRbadfid));
1860         }
1861
1862         DEBUG(3,("call_nt_transact_notify_change: notify change called on directory \
1863 name = %s\n", fsp->fsp_name ));
1864
1865         return -1;
1866 }
1867
1868 /****************************************************************************
1869  Reply to an NT transact rename command.
1870 ****************************************************************************/
1871
1872 static int call_nt_transact_rename(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1873                                   char **ppsetup, uint32 setup_count,
1874                                   char **ppparams, uint32 parameter_count,
1875                                   char **ppdata, uint32 data_count, uint32 max_data_count)
1876 {
1877         char *params = *ppparams;
1878         pstring new_name;
1879         files_struct *fsp = NULL;
1880         BOOL replace_if_exists = False;
1881         NTSTATUS status;
1882
1883         if(parameter_count < 4) {
1884                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1885         }
1886
1887         fsp = file_fsp(params, 0);
1888         replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
1889         CHECK_FSP(fsp, conn);
1890         srvstr_get_path(inbuf, new_name, params+4, sizeof(new_name), -1, STR_TERMINATE, &status, True);
1891         if (!NT_STATUS_IS_OK(status)) {
1892                 return ERROR_NT(status);
1893         }
1894
1895         status = rename_internals(conn, fsp->fsp_name,
1896                                   new_name, 0, replace_if_exists);
1897         if (!NT_STATUS_IS_OK(status))
1898                 return ERROR_NT(status);
1899
1900         /*
1901          * Rename was successful.
1902          */
1903         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1904
1905         DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
1906                  fsp->fsp_name, new_name));
1907
1908         /*
1909          * Win2k needs a changenotify request response before it will
1910          * update after a rename..
1911          */
1912
1913         process_pending_change_notify_queue((time_t)0);
1914
1915         return -1;
1916 }
1917
1918 /******************************************************************************
1919  Fake up a completely empty SD.
1920 *******************************************************************************/
1921
1922 static size_t get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1923 {
1924         size_t sd_size;
1925
1926         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1927         if(!*ppsd) {
1928                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1929                 sd_size = 0;
1930         }
1931
1932         return sd_size;
1933 }
1934
1935 /****************************************************************************
1936  Reply to query a security descriptor.
1937 ****************************************************************************/
1938
1939 static int call_nt_transact_query_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1940                                   char **ppsetup, uint32 setup_count,
1941                                   char **ppparams, uint32 parameter_count,
1942                                   char **ppdata, uint32 data_count, uint32 max_data_count)
1943 {
1944         char *params = *ppparams;
1945         char *data = *ppdata;
1946         prs_struct pd;
1947         SEC_DESC *psd = NULL;
1948         size_t sd_size;
1949         uint32 security_info_wanted;
1950         TALLOC_CTX *mem_ctx;
1951         files_struct *fsp = NULL;
1952
1953         if(parameter_count < 8) {
1954                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1955         }
1956
1957         fsp = file_fsp(params,0);
1958         if(!fsp) {
1959                 return ERROR_DOS(ERRDOS,ERRbadfid);
1960         }
1961
1962         security_info_wanted = IVAL(params,4);
1963
1964         DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
1965                         (unsigned int)security_info_wanted ));
1966
1967         params = nttrans_realloc(ppparams, 4);
1968         if(params == NULL) {
1969                 return ERROR_DOS(ERRDOS,ERRnomem);
1970         }
1971
1972         if ((mem_ctx = talloc_init("call_nt_transact_query_security_desc")) == NULL) {
1973                 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
1974                 return ERROR_DOS(ERRDOS,ERRnomem);
1975         }
1976
1977         /*
1978          * Get the permissions to return.
1979          */
1980
1981         if (!lp_nt_acl_support(SNUM(conn))) {
1982                 sd_size = get_null_nt_acl(mem_ctx, &psd);
1983         } else {
1984                 sd_size = SMB_VFS_FGET_NT_ACL(fsp, fsp->fh->fd, security_info_wanted, &psd);
1985         }
1986
1987         if (sd_size == 0) {
1988                 talloc_destroy(mem_ctx);
1989                 return(UNIXERROR(ERRDOS,ERRnoaccess));
1990         }
1991
1992         DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %d.\n",(int)sd_size));
1993
1994         SIVAL(params,0,(uint32)sd_size);
1995
1996         if(max_data_count < sd_size) {
1997
1998                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_BUFFER_TOO_SMALL,
1999                         params, 4, *ppdata, 0);
2000                 talloc_destroy(mem_ctx);
2001                 return -1;
2002         }
2003
2004         /*
2005          * Allocate the data we will point this at.
2006          */
2007
2008         data = nttrans_realloc(ppdata, sd_size);
2009         if(data == NULL) {
2010                 talloc_destroy(mem_ctx);
2011                 return ERROR_DOS(ERRDOS,ERRnomem);
2012         }
2013
2014         /*
2015          * Init the parse struct we will marshall into.
2016          */
2017
2018         prs_init(&pd, 0, mem_ctx, MARSHALL);
2019
2020         /*
2021          * Setup the prs_struct to point at the memory we just
2022          * allocated.
2023          */
2024
2025         prs_give_memory( &pd, data, (uint32)sd_size, False);
2026
2027         /*
2028          * Finally, linearize into the outgoing buffer.
2029          */
2030
2031         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
2032                 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
2033 security descriptor.\n"));
2034                 /*
2035                  * Return access denied for want of a better error message..
2036                  */
2037                 talloc_destroy(mem_ctx);
2038                 return(UNIXERROR(ERRDOS,ERRnoaccess));
2039         }
2040
2041         /*
2042          * Now we can delete the security descriptor.
2043          */
2044
2045         talloc_destroy(mem_ctx);
2046
2047         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 4, data, (int)sd_size);
2048         return -1;
2049 }
2050
2051 /****************************************************************************
2052  Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2053 ****************************************************************************/
2054
2055 static int call_nt_transact_set_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2056                                   char **ppsetup, uint32 setup_count,
2057                                   char **ppparams, uint32 parameter_count,
2058                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2059 {
2060         char *params= *ppparams;
2061         char *data = *ppdata;
2062         files_struct *fsp = NULL;
2063         uint32 security_info_sent = 0;
2064         NTSTATUS nt_status;
2065
2066         if(parameter_count < 8) {
2067                 return ERROR_DOS(ERRDOS,ERRbadfunc);
2068         }
2069
2070         if((fsp = file_fsp(params,0)) == NULL) {
2071                 return ERROR_DOS(ERRDOS,ERRbadfid);
2072         }
2073
2074         if(!lp_nt_acl_support(SNUM(conn))) {
2075                 goto done;
2076         }
2077
2078         security_info_sent = IVAL(params,4);
2079
2080         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
2081                 (unsigned int)security_info_sent ));
2082
2083         if (data_count == 0) {
2084                 return ERROR_DOS(ERRDOS, ERRnoaccess);
2085         }
2086
2087         if (!NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, data_count, security_info_sent))) {
2088                 return ERROR_NT(nt_status);
2089         }
2090
2091   done:
2092
2093         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2094         return -1;
2095 }
2096
2097 /****************************************************************************
2098  Reply to NT IOCTL
2099 ****************************************************************************/
2100
2101 static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2102                                   char **ppsetup, uint32 setup_count,
2103                                   char **ppparams, uint32 parameter_count,
2104                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2105 {
2106         uint32 function;
2107         uint16 fidnum;
2108         files_struct *fsp;
2109         uint8 isFSctl;
2110         uint8 compfilter;
2111         static BOOL logged_message;
2112         char *pdata = *ppdata;
2113
2114         if (setup_count != 8) {
2115                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2116                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2117         }
2118
2119         function = IVAL(*ppsetup, 0);
2120         fidnum = SVAL(*ppsetup, 4);
2121         isFSctl = CVAL(*ppsetup, 6);
2122         compfilter = CVAL(*ppsetup, 7);
2123
2124         DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2125                  function, fidnum, isFSctl, compfilter));
2126
2127         fsp=file_fsp(*ppsetup, 4);
2128         /* this check is done in each implemented function case for now
2129            because I don't want to break anything... --metze
2130         FSP_BELONGS_CONN(fsp,conn);*/
2131
2132         switch (function) {
2133         case FSCTL_SET_SPARSE:
2134                 /* pretend this succeeded - tho strictly we should
2135                    mark the file sparse (if the local fs supports it)
2136                    so we can know if we need to pre-allocate or not */
2137
2138                 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2139                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2140                 return -1;
2141
2142         case FSCTL_0x000900C0:
2143                 /* pretend this succeeded - don't know what this really is
2144                    but works ok like this --metze
2145                  */
2146
2147                 DEBUG(10,("FSCTL_0x000900C0: called on FID[0x%04X](but not implemented)\n",fidnum));
2148                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2149                 return -1;
2150
2151         case FSCTL_GET_REPARSE_POINT:
2152                 /* pretend this fail - my winXP does it like this
2153                  * --metze
2154                  */
2155
2156                 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2157                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT, NULL, 0, NULL, 0);
2158                 return -1;
2159
2160         case FSCTL_SET_REPARSE_POINT:
2161                 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2162                  * --metze
2163                  */
2164
2165                 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2166                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT, NULL, 0, NULL, 0);
2167                 return -1;
2168
2169         case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2170         {
2171                 /*
2172                  * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2173                  * and return their volume names.  If max_data_count is 16, then it is just
2174                  * asking for the number of volumes and length of the combined names.
2175                  *
2176                  * pdata is the data allocated by our caller, but that uses
2177                  * total_data_count (which is 0 in our case) rather than max_data_count.
2178                  * Allocate the correct amount and return the pointer to let
2179                  * it be deallocated when we return.
2180                  */
2181                 SHADOW_COPY_DATA *shadow_data = NULL;
2182                 TALLOC_CTX *shadow_mem_ctx = NULL;
2183                 BOOL labels = False;
2184                 uint32 labels_data_count = 0;
2185                 uint32 i;
2186                 char *cur_pdata;
2187
2188                 FSP_BELONGS_CONN(fsp,conn);
2189
2190                 if (max_data_count < 16) {
2191                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2192                                 max_data_count));
2193                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2194                 }
2195
2196                 if (max_data_count > 16) {
2197                         labels = True;
2198                 }
2199
2200                 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2201                 if (shadow_mem_ctx == NULL) {
2202                         DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2203                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2204                 }
2205
2206                 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2207                 if (shadow_data == NULL) {
2208                         DEBUG(0,("talloc_zero() failed!\n"));
2209                         talloc_destroy(shadow_mem_ctx);
2210                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2211                 }
2212
2213                 shadow_data->mem_ctx = shadow_mem_ctx;
2214
2215                 /*
2216                  * Call the VFS routine to actually do the work.
2217                  */
2218                 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2219                         talloc_destroy(shadow_data->mem_ctx);
2220                         if (errno == ENOSYS) {
2221                                 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2222                                         conn->connectpath));
2223                                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2224                         } else {
2225                                 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2226                                         conn->connectpath));
2227                                 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
2228                         }
2229                 }
2230
2231                 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2232
2233                 if (!labels) {
2234                         data_count = 16;
2235                 } else {
2236                         data_count = 12+labels_data_count+4;
2237                 }
2238
2239                 if (max_data_count<data_count) {
2240                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2241                                 max_data_count,data_count));
2242                         talloc_destroy(shadow_data->mem_ctx);
2243                         return ERROR_NT(NT_STATUS_BUFFER_TOO_SMALL);
2244                 }
2245
2246                 pdata = nttrans_realloc(ppdata, data_count);
2247                 if (pdata == NULL) {
2248                         talloc_destroy(shadow_data->mem_ctx);
2249                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2250                 }
2251
2252                 cur_pdata = pdata;
2253
2254                 /* num_volumes 4 bytes */
2255                 SIVAL(pdata,0,shadow_data->num_volumes);
2256
2257                 if (labels) {
2258                         /* num_labels 4 bytes */
2259                         SIVAL(pdata,4,shadow_data->num_volumes);
2260                 }
2261
2262                 /* needed_data_count 4 bytes */
2263                 SIVAL(pdata,8,labels_data_count);
2264
2265                 cur_pdata+=12;
2266
2267                 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2268                         shadow_data->num_volumes,fsp->fsp_name));
2269                 if (labels && shadow_data->labels) {
2270                         for (i=0;i<shadow_data->num_volumes;i++) {
2271                                 srvstr_push(outbuf, cur_pdata, shadow_data->labels[i], 2*sizeof(SHADOW_COPY_LABEL), STR_UNICODE|STR_TERMINATE);
2272                                 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2273                                 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2274                         }
2275                 }
2276
2277                 talloc_destroy(shadow_data->mem_ctx);
2278
2279                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, pdata, data_count);
2280
2281                 return -1;
2282         }
2283
2284         case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2285         {
2286                 /* pretend this succeeded -
2287                  *
2288                  * we have to send back a list with all files owned by this SID
2289                  *
2290                  * but I have to check that --metze
2291                  */
2292                 DOM_SID sid;
2293                 uid_t uid;
2294                 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2295
2296                 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2297
2298                 FSP_BELONGS_CONN(fsp,conn);
2299
2300                 /* unknown 4 bytes: this is not the length of the sid :-(  */
2301                 /*unknown = IVAL(pdata,0);*/
2302
2303                 sid_parse(pdata+4,sid_len,&sid);
2304                 DEBUGADD(10,("for SID: %s\n",sid_string_static(&sid)));
2305
2306                 if (!NT_STATUS_IS_OK(sid_to_uid(&sid, &uid))) {
2307                         DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2308                                 sid_string_static(&sid),(unsigned long)sid_len));
2309                         uid = (-1);
2310                 }
2311
2312                 /* we can take a look at the find source :-)
2313                  *
2314                  * find ./ -uid $uid  -name '*'   is what we need here
2315                  *
2316                  *
2317                  * and send 4bytes len and then NULL terminated unicode strings
2318                  * for each file
2319                  *
2320                  * but I don't know how to deal with the paged results
2321                  * (maybe we can hang the result anywhere in the fsp struct)
2322                  *
2323                  * we don't send all files at once
2324                  * and at the next we should *not* start from the beginning,
2325                  * so we have to cache the result
2326                  *
2327                  * --metze
2328                  */
2329
2330                 /* this works for now... */
2331                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2332                 return -1;
2333         }
2334         default:
2335                 if (!logged_message) {
2336                         logged_message = True; /* Only print this once... */
2337                         DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2338                                  function));
2339                 }
2340         }
2341
2342         return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2343 }
2344
2345
2346 #ifdef HAVE_SYS_QUOTAS
2347 /****************************************************************************
2348  Reply to get user quota
2349 ****************************************************************************/
2350
2351 static int call_nt_transact_get_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2352                                   char **ppsetup, uint32 setup_count,
2353                                   char **ppparams, uint32 parameter_count,
2354                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2355 {
2356         NTSTATUS nt_status = NT_STATUS_OK;
2357         char *params = *ppparams;
2358         char *pdata = *ppdata;
2359         char *entry;
2360         int data_len=0,param_len=0;
2361         int qt_len=0;
2362         int entry_len = 0;
2363         files_struct *fsp = NULL;
2364         uint16 level = 0;
2365         size_t sid_len;
2366         DOM_SID sid;
2367         BOOL start_enum = True;
2368         SMB_NTQUOTA_STRUCT qt;
2369         SMB_NTQUOTA_LIST *tmp_list;
2370         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2371         extern struct current_user current_user;
2372
2373         ZERO_STRUCT(qt);
2374
2375         /* access check */
2376         if (current_user.uid != 0) {
2377                 DEBUG(1,("get_user_quota: access_denied service [%s] user [%s]\n",
2378                         lp_servicename(SNUM(conn)),conn->user));
2379                 return ERROR_DOS(ERRDOS,ERRnoaccess);
2380         }
2381
2382         /*
2383          * Ensure minimum number of parameters sent.
2384          */
2385
2386         if (parameter_count < 4) {
2387                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2388                 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2389         }
2390
2391         /* maybe we can check the quota_fnum */
2392         fsp = file_fsp(params,0);
2393         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2394                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2395                 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2396         }
2397
2398         /* the NULL pointer cheking for fsp->fake_file_handle->pd
2399          * is done by CHECK_NTQUOTA_HANDLE_OK()
2400          */
2401         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
2402
2403         level = SVAL(params,2);
2404
2405         /* unknown 12 bytes leading in params */
2406
2407         switch (level) {
2408                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2409                         /* seems that we should continue with the enum here --metze */
2410
2411                         if (qt_handle->quota_list!=NULL &&
2412                             qt_handle->tmp_list==NULL) {
2413
2414                                 /* free the list */
2415                                 free_ntquota_list(&(qt_handle->quota_list));
2416
2417                                 /* Realloc the size of parameters and data we will return */
2418                                 param_len = 4;
2419                                 params = nttrans_realloc(ppparams, param_len);
2420                                 if(params == NULL) {
2421                                         return ERROR_DOS(ERRDOS,ERRnomem);
2422                                 }
2423
2424                                 data_len = 0;
2425                                 SIVAL(params,0,data_len);
2426
2427                                 break;
2428                         }
2429
2430                         start_enum = False;
2431
2432                 case TRANSACT_GET_USER_QUOTA_LIST_START:
2433
2434                         if (qt_handle->quota_list==NULL &&
2435                                 qt_handle->tmp_list==NULL) {
2436                                 start_enum = True;
2437                         }
2438
2439                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0)
2440                                 return ERROR_DOS(ERRSRV,ERRerror);
2441
2442                         /* Realloc the size of parameters and data we will return */
2443                         param_len = 4;
2444                         params = nttrans_realloc(ppparams, param_len);
2445                         if(params == NULL) {
2446                                 return ERROR_DOS(ERRDOS,ERRnomem);
2447                         }
2448
2449                         /* we should not trust the value in max_data_count*/
2450                         max_data_count = MIN(max_data_count,2048);
2451
2452                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2453                         if(pdata == NULL) {
2454                                 return ERROR_DOS(ERRDOS,ERRnomem);
2455                         }
2456
2457                         entry = pdata;
2458
2459                         /* set params Size of returned Quota Data 4 bytes*/
2460                         /* but set it later when we know it */
2461
2462                         /* for each entry push the data */
2463
2464                         if (start_enum) {
2465                                 qt_handle->tmp_list = qt_handle->quota_list;
2466                         }
2467
2468                         tmp_list = qt_handle->tmp_list;
2469
2470                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2471                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2472
2473                                 sid_len = sid_size(&tmp_list->quotas->sid);
2474                                 entry_len = 40 + sid_len;
2475
2476                                 /* nextoffset entry 4 bytes */
2477                                 SIVAL(entry,0,entry_len);
2478
2479                                 /* then the len of the SID 4 bytes */
2480                                 SIVAL(entry,4,sid_len);
2481
2482                                 /* unknown data 8 bytes SMB_BIG_UINT */
2483                                 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2484
2485                                 /* the used disk space 8 bytes SMB_BIG_UINT */
2486                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2487
2488                                 /* the soft quotas 8 bytes SMB_BIG_UINT */
2489                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2490
2491                                 /* the hard quotas 8 bytes SMB_BIG_UINT */
2492                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2493
2494                                 /* and now the SID */
2495                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2496                         }
2497
2498                         qt_handle->tmp_list = tmp_list;
2499
2500                         /* overwrite the offset of the last entry */
2501                         SIVAL(entry-entry_len,0,0);
2502
2503                         data_len = 4+qt_len;
2504                         /* overwrite the params quota_data_len */
2505                         SIVAL(params,0,data_len);
2506
2507                         break;
2508
2509                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2510
2511                         /* unknown 4 bytes IVAL(pdata,0) */
2512
2513                         if (data_count < 8) {
2514                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2515                                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2516                         }
2517
2518                         sid_len = IVAL(pdata,4);
2519                         /* Ensure this is less than 1mb. */
2520                         if (sid_len > (1024*1024)) {
2521                                 return ERROR_DOS(ERRDOS,ERRnomem);
2522                         }
2523
2524                         if (data_count < 8+sid_len) {
2525                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2526                                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2527                         }
2528
2529                         data_len = 4+40+sid_len;
2530
2531                         if (max_data_count < data_len) {
2532                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2533                                         max_data_count, data_len));
2534                                 param_len = 4;
2535                                 SIVAL(params,0,data_len);
2536                                 data_len = 0;
2537                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2538                                 break;
2539                         }
2540
2541                         sid_parse(pdata+8,sid_len,&sid);
2542
2543                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2544                                 ZERO_STRUCT(qt);
2545                                 /*
2546                                  * we have to return zero's in all fields
2547                                  * instead of returning an error here
2548                                  * --metze
2549                                  */
2550                         }
2551
2552                         /* Realloc the size of parameters and data we will return */
2553                         param_len = 4;
2554                         params = nttrans_realloc(ppparams, param_len);
2555                         if(params == NULL) {
2556                                 return ERROR_DOS(ERRDOS,ERRnomem);
2557                         }
2558
2559                         pdata = nttrans_realloc(ppdata, data_len);
2560                         if(pdata == NULL) {
2561                                 return ERROR_DOS(ERRDOS,ERRnomem);
2562                         }
2563
2564                         entry = pdata;
2565
2566                         /* set params Size of returned Quota Data 4 bytes*/
2567                         SIVAL(params,0,data_len);
2568
2569                         /* nextoffset entry 4 bytes */
2570                         SIVAL(entry,0,0);
2571
2572                         /* then the len of the SID 4 bytes */
2573                         SIVAL(entry,4,sid_len);
2574
2575                         /* unknown data 8 bytes SMB_BIG_UINT */
2576                         SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
2577
2578                         /* the used disk space 8 bytes SMB_BIG_UINT */
2579                         SBIG_UINT(entry,16,qt.usedspace);
2580
2581                         /* the soft quotas 8 bytes SMB_BIG_UINT */
2582                         SBIG_UINT(entry,24,qt.softlim);
2583
2584                         /* the hard quotas 8 bytes SMB_BIG_UINT */
2585                         SBIG_UINT(entry,32,qt.hardlim);
2586
2587                         /* and now the SID */
2588                         sid_linearize(entry+40, sid_len, &sid);
2589
2590                         break;
2591
2592                 default:
2593                         DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2594                         return ERROR_DOS(ERRSRV,ERRerror);
2595                         break;
2596         }
2597
2598         send_nt_replies(inbuf, outbuf, bufsize, nt_status, params, param_len, pdata, data_len);
2599
2600         return -1;
2601 }
2602
2603 /****************************************************************************
2604  Reply to set user quota
2605 ****************************************************************************/
2606
2607 static int call_nt_transact_set_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2608                                   char **ppsetup, uint32 setup_count,
2609                                   char **ppparams, uint32 parameter_count,
2610                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2611 {
2612         char *params = *ppparams;
2613         char *pdata = *ppdata;
2614         int data_len=0,param_len=0;
2615         SMB_NTQUOTA_STRUCT qt;
2616         size_t sid_len;
2617         DOM_SID sid;
2618         files_struct *fsp = NULL;
2619
2620         ZERO_STRUCT(qt);
2621
2622         /* access check */
2623         if (current_user.uid != 0) {
2624                 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
2625                         lp_servicename(SNUM(conn)),conn->user));
2626                 return ERROR_DOS(ERRDOS,ERRnoaccess);
2627         }
2628
2629         /*
2630          * Ensure minimum number of parameters sent.
2631          */
2632
2633         if (parameter_count < 2) {
2634                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2635                 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2636         }
2637
2638         /* maybe we can check the quota_fnum */
2639         fsp = file_fsp(params,0);
2640         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2641                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2642                 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2643         }
2644
2645         if (data_count < 40) {
2646                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2647                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2648         }
2649
2650         /* offset to next quota record.
2651          * 4 bytes IVAL(pdata,0)
2652          * unused here...
2653          */
2654
2655         /* sid len */
2656         sid_len = IVAL(pdata,4);
2657
2658         if (data_count < 40+sid_len) {
2659                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2660                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2661         }
2662
2663         /* unknown 8 bytes in pdata
2664          * maybe its the change time in NTTIME
2665          */
2666
2667         /* the used space 8 bytes (SMB_BIG_UINT)*/
2668         qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
2669 #ifdef LARGE_SMB_OFF_T
2670         qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
2671 #else /* LARGE_SMB_OFF_T */
2672         if ((IVAL(pdata,20) != 0)&&
2673                 ((qt.usedspace != 0xFFFFFFFF)||
2674                 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2675                 /* more than 32 bits? */
2676                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2677         }
2678 #endif /* LARGE_SMB_OFF_T */
2679
2680         /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
2681         qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
2682 #ifdef LARGE_SMB_OFF_T
2683         qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
2684 #else /* LARGE_SMB_OFF_T */
2685         if ((IVAL(pdata,28) != 0)&&
2686                 ((qt.softlim != 0xFFFFFFFF)||
2687                 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2688                 /* more than 32 bits? */
2689                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2690         }
2691 #endif /* LARGE_SMB_OFF_T */
2692
2693         /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
2694         qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
2695 #ifdef LARGE_SMB_OFF_T
2696         qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
2697 #else /* LARGE_SMB_OFF_T */
2698         if ((IVAL(pdata,36) != 0)&&
2699                 ((qt.hardlim != 0xFFFFFFFF)||
2700                 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2701                 /* more than 32 bits? */
2702                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2703         }
2704 #endif /* LARGE_SMB_OFF_T */
2705
2706         sid_parse(pdata+40,sid_len,&sid);
2707         DEBUGADD(8,("SID: %s\n",sid_string_static(&sid)));
2708
2709         /* 44 unknown bytes left... */
2710
2711         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2712                 return ERROR_DOS(ERRSRV,ERRerror);
2713         }
2714
2715         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, param_len, pdata, data_len);
2716
2717         return -1;
2718 }
2719 #endif /* HAVE_SYS_QUOTAS */
2720
2721 /****************************************************************************
2722  Reply to a SMBNTtrans.
2723 ****************************************************************************/
2724
2725 int reply_nttrans(connection_struct *conn,
2726                         char *inbuf,char *outbuf,int length,int bufsize)
2727 {
2728         int  outsize = 0;
2729         uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
2730 #if 0 /* Not used. */
2731         uint16 max_setup_count = CVAL(inbuf, smb_nt_MaxSetupCount);
2732         uint32 max_parameter_count = IVAL(inbuf, smb_nt_MaxParameterCount);
2733 #endif /* Not used. */
2734         uint32 total_parameter_count = IVAL(inbuf, smb_nt_TotalParameterCount);
2735         uint32 total_data_count = IVAL(inbuf, smb_nt_TotalDataCount);
2736         uint32 parameter_count = IVAL(inbuf,smb_nt_ParameterCount);
2737         uint32 parameter_offset = IVAL(inbuf,smb_nt_ParameterOffset);
2738         uint32 data_count = IVAL(inbuf,smb_nt_DataCount);
2739         uint32 data_offset = IVAL(inbuf,smb_nt_DataOffset);
2740         uint16 setup_count = 2*CVAL(inbuf,smb_nt_SetupCount); /* setup count is in *words* */
2741         uint16 function_code = SVAL( inbuf, smb_nt_Function);
2742         char *params = NULL, *data = NULL, *setup = NULL;
2743         uint32 num_params_sofar, num_data_sofar;
2744         START_PROFILE(SMBnttrans);
2745
2746         if(global_oplock_break &&
2747                         ((function_code == NT_TRANSACT_CREATE) ||
2748                          (function_code == NT_TRANSACT_RENAME))) {
2749                 /*
2750                  * Queue this open message as we are the process of an oplock break.
2751                  */
2752
2753                 DEBUG(2,("reply_nttrans: queueing message code 0x%x \
2754 due to being in oplock break state.\n", (unsigned int)function_code ));
2755
2756                 push_oplock_pending_smb_message( inbuf, length);
2757                 END_PROFILE(SMBnttrans);
2758                 return -1;
2759         }
2760
2761         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2762                 END_PROFILE(SMBnttrans);
2763                 return ERROR_DOS(ERRSRV,ERRaccess);
2764         }
2765
2766         outsize = set_message(outbuf,0,0,True);
2767
2768         /*
2769          * All nttrans messages we handle have smb_wct == 19 + setup_count.
2770          * Ensure this is so as a sanity check.
2771          */
2772
2773         if(CVAL(inbuf, smb_wct) != 19 + (setup_count/2)) {
2774                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2775                         CVAL(inbuf, smb_wct), 19 + (setup_count/2)));
2776                 goto bad_param;
2777         }
2778
2779         /* Don't allow more than 128mb for each value. */
2780         if ((total_parameter_count > (1024*1024*128)) || (total_data_count > (1024*1024*128))) {
2781                 END_PROFILE(SMBnttrans);
2782                 return ERROR_DOS(ERRDOS,ERRnomem);
2783         }
2784
2785         /* Allocate the space for the setup, the maximum needed parameters and data */
2786
2787         if(setup_count > 0) {
2788                 setup = (char *)SMB_MALLOC(setup_count);
2789         }
2790         if (total_parameter_count > 0) {
2791                 params = (char *)SMB_MALLOC(total_parameter_count);
2792         }
2793         if (total_data_count > 0) {
2794                 data = (char *)SMB_MALLOC(total_data_count);
2795         }
2796
2797         if ((total_parameter_count && !params)  || (total_data_count && !data) ||
2798                                 (setup_count && !setup)) {
2799                 SAFE_FREE(setup);
2800                 SAFE_FREE(params);
2801                 SAFE_FREE(data);
2802                 DEBUG(0,("reply_nttrans : Out of memory\n"));
2803                 END_PROFILE(SMBnttrans);
2804                 return ERROR_DOS(ERRDOS,ERRnomem);
2805         }
2806
2807         /* Copy the param and data bytes sent with this request into the params buffer */
2808         num_params_sofar = parameter_count;
2809         num_data_sofar = data_count;
2810
2811         if (parameter_count > total_parameter_count || data_count > total_data_count)
2812                 goto bad_param;
2813
2814         if(setup) {
2815                 DEBUG(10,("reply_nttrans: setup_count = %d\n", setup_count));
2816                 if ((smb_nt_SetupStart + setup_count < smb_nt_SetupStart) ||
2817                                 (smb_nt_SetupStart + setup_count < setup_count)) {
2818                         goto bad_param;
2819                 }
2820                 if (smb_nt_SetupStart + setup_count > length) {
2821                         goto bad_param;
2822                 }
2823
2824                 memcpy( setup, &inbuf[smb_nt_SetupStart], setup_count);
2825                 dump_data(10, setup, setup_count);
2826         }
2827         if(params) {
2828                 DEBUG(10,("reply_nttrans: parameter_count = %d\n", parameter_count));
2829                 if ((parameter_offset + parameter_count < parameter_offset) ||
2830                                 (parameter_offset + parameter_count < parameter_count)) {
2831                         goto bad_param;
2832                 }
2833                 if ((smb_base(inbuf) + parameter_offset + parameter_count > inbuf + length)||
2834                                 (smb_base(inbuf) + parameter_offset + parameter_count < smb_base(inbuf))) {
2835                         goto bad_param;
2836                 }
2837
2838                 memcpy( params, smb_base(inbuf) + parameter_offset, parameter_count);
2839                 dump_data(10, params, parameter_count);
2840         }
2841         if(data) {
2842                 DEBUG(10,("reply_nttrans: data_count = %d\n",data_count));
2843                 if ((data_offset + data_count < data_offset) || (data_offset + data_count < data_count)) {
2844                         goto bad_param;
2845                 }
2846                 if ((smb_base(inbuf) + data_offset + data_count > inbuf + length) ||
2847                                 (smb_base(inbuf) + data_offset + data_count < smb_base(inbuf))) {
2848                         goto bad_param;
2849                 }
2850
2851                 memcpy( data, smb_base(inbuf) + data_offset, data_count);
2852                 dump_data(10, data, data_count);
2853         }
2854
2855         srv_signing_trans_start(SVAL(inbuf,smb_mid));
2856
2857         if(num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
2858                 /* We need to send an interim response then receive the rest
2859                         of the parameter/data bytes */
2860                 outsize = set_message(outbuf,0,0,True);
2861                 srv_signing_trans_stop();
2862                 show_msg(outbuf);
2863                 if (!send_smb(smbd_server_fd(),outbuf)) {
2864                         exit_server("reply_nttrans: send_smb failed.");
2865                 }
2866
2867                 while( num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
2868                         BOOL ret;
2869                         uint32 parameter_displacement;
2870                         uint32 data_displacement;
2871
2872                         ret = receive_next_smb(inbuf,bufsize,SMB_SECONDARY_WAIT);
2873
2874                         /* We need to re-calcuate the new length after we've read the secondary packet. */
2875                         length = smb_len(inbuf) + 4;
2876
2877                         /*
2878                          * The sequence number for the trans reply is always
2879                          * based on the last secondary received.
2880                          */
2881
2882                         srv_signing_trans_start(SVAL(inbuf,smb_mid));
2883
2884                         if((ret && (CVAL(inbuf, smb_com) != SMBnttranss)) || !ret) {
2885                                 outsize = set_message(outbuf,0,0,True);
2886                                 if(ret) {
2887                                         DEBUG(0,("reply_nttrans: Invalid secondary nttrans packet\n"));
2888                                 } else {
2889                                         DEBUG(0,("reply_nttrans: %s in getting secondary nttrans response.\n",
2890                                                 (smb_read_error == READ_ERROR) ? "error" : "timeout" ));
2891                                 }
2892                                 goto bad_param;
2893                         }
2894
2895                         /* Revise total_params and total_data in case they have changed downwards */
2896                         if (IVAL(inbuf, smb_nts_TotalParameterCount) < total_parameter_count) {
2897                                 total_parameter_count = IVAL(inbuf, smb_nts_TotalParameterCount);
2898                         }
2899                         if (IVAL(inbuf, smb_nts_TotalDataCount) < total_data_count) {
2900                                 total_data_count = IVAL(inbuf, smb_nts_TotalDataCount);
2901                         }
2902
2903                         parameter_count = IVAL(inbuf,smb_nts_ParameterCount);
2904                         parameter_offset = IVAL(inbuf, smb_nts_ParameterOffset);
2905                         parameter_displacement = IVAL(inbuf, smb_nts_ParameterDisplacement);
2906                         num_params_sofar += parameter_count;
2907
2908                         data_count = IVAL(inbuf, smb_nts_DataCount);
2909                         data_displacement = IVAL(inbuf, smb_nts_DataDisplacement);
2910                         data_offset = IVAL(inbuf, smb_nts_DataOffset);
2911                         num_data_sofar += data_count;
2912
2913                         if (num_params_sofar > total_parameter_count || num_data_sofar > total_data_count) {
2914                                 DEBUG(0,("reply_nttrans2: data overflow in secondary nttrans packet"));
2915                                 goto bad_param;
2916                         }
2917
2918                         if (parameter_count) {
2919                                 if (parameter_displacement + parameter_count > total_parameter_count) {
2920                                         goto bad_param;
2921                                 }
2922                                 if ((parameter_displacement + parameter_count < parameter_displacement) ||
2923                                                 (parameter_displacement + parameter_count < parameter_count)) {
2924                                         goto bad_param;
2925                                 }
2926                                 if (parameter_displacement > total_parameter_count) {
2927                                         goto bad_param;
2928                                 }
2929                                 if ((smb_base(inbuf) + parameter_offset + parameter_count > inbuf + length) ||
2930                                                 (smb_base(inbuf) + parameter_offset + parameter_count < smb_base(inbuf))) {
2931                                         goto bad_param;
2932                                 }
2933                                 if (parameter_displacement + params < params) {
2934                                         goto bad_param;
2935                                 }
2936
2937                                 memcpy( &params[parameter_displacement], smb_base(inbuf) + parameter_offset, parameter_count);
2938                         }
2939
2940                         if (data_count) {
2941                                 if (data_displacement + data_count > total_data_count) {
2942                                         goto bad_param;
2943                                 }
2944                                 if ((data_displacement + data_count < data_displacement) ||
2945                                                 (data_displacement + data_count < data_count)) {
2946                                         goto bad_param;
2947                                 }
2948                                 if (data_displacement > total_data_count) {
2949                                         goto bad_param;
2950                                 }
2951                                 if ((smb_base(inbuf) + data_offset + data_count > inbuf + length) ||
2952                                                 (smb_base(inbuf) + data_offset + data_count < smb_base(inbuf))) {
2953                                         goto bad_param;
2954                                 }
2955                                 if (data_displacement + data < data) {
2956                                         goto bad_param;
2957                                 }
2958
2959                                 memcpy( &data[data_displacement], smb_base(inbuf)+ data_offset, data_count);
2960                         }
2961                 }
2962         }
2963
2964         if (Protocol >= PROTOCOL_NT1) {
2965                 SSVAL(outbuf,smb_flg2,SVAL(outbuf,smb_flg2) | FLAGS2_IS_LONG_NAME);
2966         }
2967
2968         /* Now we must call the relevant NT_TRANS function */
2969         switch(function_code) {
2970                 case NT_TRANSACT_CREATE:
2971                         START_PROFILE_NESTED(NT_transact_create);
2972                         outsize = call_nt_transact_create(conn, inbuf, outbuf,
2973                                                         length, bufsize,
2974                                                         &setup, setup_count,
2975                                                         &params, total_parameter_count,
2976                                                         &data, total_data_count, max_data_count);
2977                         END_PROFILE_NESTED(NT_transact_create);
2978                         break;
2979                 case NT_TRANSACT_IOCTL:
2980                         START_PROFILE_NESTED(NT_transact_ioctl);
2981                         outsize = call_nt_transact_ioctl(conn, inbuf, outbuf,
2982                                                          length, bufsize,
2983                                                          &setup, setup_count,
2984                                                          &params, total_parameter_count,
2985                                                          &data, total_data_count, max_data_count);
2986                         END_PROFILE_NESTED(NT_transact_ioctl);
2987                         break;
2988                 case NT_TRANSACT_SET_SECURITY_DESC:
2989                         START_PROFILE_NESTED(NT_transact_set_security_desc);
2990                         outsize = call_nt_transact_set_security_desc(conn, inbuf, outbuf,
2991                                                          length, bufsize,
2992                                                          &setup, setup_count,
2993                                                          &params, total_parameter_count,
2994                                                          &data, total_data_count, max_data_count);
2995                         END_PROFILE_NESTED(NT_transact_set_security_desc);
2996                         break;
2997                 case NT_TRANSACT_NOTIFY_CHANGE:
2998                         START_PROFILE_NESTED(NT_transact_notify_change);
2999                         outsize = call_nt_transact_notify_change(conn, inbuf, outbuf,
3000                                                          length, bufsize,
3001                                                          &setup, setup_count,
3002                                                          &params, total_parameter_count,
3003                                                          &data, total_data_count, max_data_count);
3004                         END_PROFILE_NESTED(NT_transact_notify_change);
3005                         break;
3006                 case NT_TRANSACT_RENAME:
3007                         START_PROFILE_NESTED(NT_transact_rename);
3008                         outsize = call_nt_transact_rename(conn, inbuf, outbuf,
3009                                                          length, bufsize,
3010                                                          &setup, setup_count,
3011                                                          &params, total_parameter_count,
3012                                                          &data, total_data_count, max_data_count);
3013                         END_PROFILE_NESTED(NT_transact_rename);
3014                         break;
3015
3016                 case NT_TRANSACT_QUERY_SECURITY_DESC:
3017                         START_PROFILE_NESTED(NT_transact_query_security_desc);
3018                         outsize = call_nt_transact_query_security_desc(conn, inbuf, outbuf,
3019                                                          length, bufsize,
3020                                                          &setup, setup_count,
3021                                                          &params, total_parameter_count,
3022                                                          &data, total_data_count, max_data_count);
3023                         END_PROFILE_NESTED(NT_transact_query_security_desc);
3024                         break;
3025 #ifdef HAVE_SYS_QUOTAS
3026                 case NT_TRANSACT_GET_USER_QUOTA:
3027                         START_PROFILE_NESTED(NT_transact_get_user_quota);
3028                         outsize = call_nt_transact_get_user_quota(conn, inbuf, outbuf,
3029                                                          length, bufsize,
3030                                                          &setup, setup_count,
3031                                                          &params, total_parameter_count,
3032                                                          &data, total_data_count, max_data_count);
3033                         END_PROFILE_NESTED(NT_transact_get_user_quota);
3034                         break;
3035                 case NT_TRANSACT_SET_USER_QUOTA:
3036                         START_PROFILE_NESTED(NT_transact_set_user_quota);
3037                         outsize = call_nt_transact_set_user_quota(conn, inbuf, outbuf,
3038                                                          length, bufsize,
3039                                                          &setup, setup_count,
3040                                                          &params, total_parameter_count,
3041                                                          &data, total_data_count, max_data_count);
3042                         END_PROFILE_NESTED(NT_transact_set_user_quota);
3043                         break;
3044 #endif /* HAVE_SYS_QUOTAS */
3045                 default:
3046                         /* Error in request */
3047                         DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n", function_code));
3048                         SAFE_FREE(setup);
3049                         SAFE_FREE(params);
3050                         SAFE_FREE(data);
3051                         END_PROFILE(SMBnttrans);
3052                         srv_signing_trans_stop();
3053                         return ERROR_DOS(ERRSRV,ERRerror);
3054         }
3055
3056         /* As we do not know how many data packets will need to be
3057                 returned here the various call_nt_transact_xxxx calls
3058                 must send their own. Thus a call_nt_transact_xxxx routine only
3059                 returns a value other than -1 when it wants to send
3060                 an error packet.
3061         */
3062
3063         srv_signing_trans_stop();
3064
3065         SAFE_FREE(setup);
3066         SAFE_FREE(params);
3067         SAFE_FREE(data);
3068         END_PROFILE(SMBnttrans);
3069         return outsize; /* If a correct response was needed the call_nt_transact_xxxx
3070                                 calls have already sent it. If outsize != -1 then it is
3071                                 returning an error packet. */
3072
3073  bad_param:
3074
3075         srv_signing_trans_stop();
3076         SAFE_FREE(params);
3077         SAFE_FREE(data);
3078         SAFE_FREE(setup);
3079         END_PROFILE(SMBnttrans);
3080         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3081 }