source3/smbd/nttrans.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    SMB NT transaction handling
   4    Copyright (C) Jeremy Allison                 1994-1998
   5    Copyright (C) Stefan (metze) Metzmacher      2003
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21
  22 #include "includes.h"
  23
  24 extern int max_send;
  25 extern enum protocol_types Protocol;
  26 extern int smb_read_error;
  27 extern struct current_user current_user;
  28
  29 static const char *known_nt_pipes[] = {
  30         "\\LANMAN",
  31         "\\srvsvc",
  32         "\\samr",
  33         "\\wkssvc",
  34         "\\NETLOGON",
  35         "\\ntlsa",
  36         "\\ntsvcs",
  37         "\\lsass",
  38         "\\lsarpc",
  39         "\\winreg",
  40         "\\initshutdown",
  41         "\\spoolss",
  42         "\\netdfs",
  43         "\\rpcecho",
  44         "\\svcctl",
  45         "\\eventlog",
  46         "\\unixinfo",
  47         NULL
  48 };
  49
  50 static char *nttrans_realloc(char **ptr, size_t size)
  51 {
  52         if (ptr==NULL) {
  53                 smb_panic("nttrans_realloc() called with NULL ptr");
  54         }
  55
  56         *ptr = (char *)SMB_REALLOC(*ptr, size);
  57         if(*ptr == NULL) {
  58                 return NULL;
  59         }
  60         memset(*ptr,'\0',size);
  61         return *ptr;
  62 }
  63
  64 /****************************************************************************
  65  Send the required number of replies back.
  66  We assume all fields other than the data fields are
  67  set correctly for the type of call.
  68  HACK ! Always assumes smb_setup field is zero.
  69 ****************************************************************************/
  70
  71 int send_nt_replies(const char *inbuf,
  72                         char *outbuf,
  73                         int bufsize,
  74                         NTSTATUS nt_error,
  75                         char *params,
  76                         int paramsize,
  77                         char *pdata,
  78                         int datasize)
  79 {
  80         int data_to_send = datasize;
  81         int params_to_send = paramsize;
  82         int useable_space;
  83         char *pp = params;
  84         char *pd = pdata;
  85         int params_sent_thistime, data_sent_thistime, total_sent_thistime;
  86         int alignment_offset = 3;
  87         int data_alignment_offset = 0;
  88
  89         /*
  90          * Initially set the wcnt area to be 18 - this is true for all
  91          * transNT replies.
  92          */
  93
  94         set_message(inbuf,outbuf,18,0,True);
  95
  96         if (NT_STATUS_V(nt_error)) {
  97                 ERROR_NT(nt_error);
  98         }
  99
 100         /*
 101          * If there genuinely are no parameters or data to send just send
 102          * the empty packet.
 103          */
 104
 105         if(params_to_send == 0 && data_to_send == 0) {
 106                 show_msg(outbuf);
 107                 if (!send_smb(smbd_server_fd(),outbuf)) {
 108                         exit_server_cleanly("send_nt_replies: send_smb failed.");
 109                 }
 110                 return 0;
 111         }
 112
 113         /*
 114          * When sending params and data ensure that both are nicely aligned.
 115          * Only do this alignment when there is also data to send - else
 116          * can cause NT redirector problems.
 117          */
 118
 119         if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
 120                 data_alignment_offset = 4 - (params_to_send % 4);
 121         }
 122
 123         /*
 124          * Space is bufsize minus Netbios over TCP header minus SMB header.
 125          * The alignment_offset is to align the param bytes on a four byte
 126          * boundary (2 bytes for data len, one byte pad).
 127          * NT needs this to work correctly.
 128          */
 129
 130         useable_space = bufsize - ((smb_buf(outbuf)+
 131                                 alignment_offset+data_alignment_offset) -
 132                                 outbuf);
 133
 134         /*
 135          * useable_space can never be more than max_send minus the
 136          * alignment offset.
 137          */
 138
 139         useable_space = MIN(useable_space,
 140                                 max_send - (alignment_offset+data_alignment_offset));
 141
 142
 143         while (params_to_send || data_to_send) {
 144
 145                 /*
 146                  * Calculate whether we will totally or partially fill this packet.
 147                  */
 148
 149                 total_sent_thistime = params_to_send + data_to_send +
 150                                         alignment_offset + data_alignment_offset;
 151
 152                 /*
 153                  * We can never send more than useable_space.
 154                  */
 155
 156                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
 157
 158                 set_message(inbuf,outbuf, 18, total_sent_thistime, True);
 159
 160                 /*
 161                  * Set total params and data to be sent.
 162                  */
 163
 164                 SIVAL(outbuf,smb_ntr_TotalParameterCount,paramsize);
 165                 SIVAL(outbuf,smb_ntr_TotalDataCount,datasize);
 166
 167                 /*
 168                  * Calculate how many parameters and data we can fit into
 169                  * this packet. Parameters get precedence.
 170                  */
 171
 172                 params_sent_thistime = MIN(params_to_send,useable_space);
 173                 data_sent_thistime = useable_space - params_sent_thistime;
 174                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
 175
 176                 SIVAL(outbuf,smb_ntr_ParameterCount,params_sent_thistime);
 177
 178                 if(params_sent_thistime == 0) {
 179                         SIVAL(outbuf,smb_ntr_ParameterOffset,0);
 180                         SIVAL(outbuf,smb_ntr_ParameterDisplacement,0);
 181                 } else {
 182                         /*
 183                          * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
 184                          * parameter bytes, however the first 4 bytes of outbuf are
 185                          * the Netbios over TCP header. Thus use smb_base() to subtract
 186                          * them from the calculation.
 187                          */
 188
 189                         SIVAL(outbuf,smb_ntr_ParameterOffset,
 190                                 ((smb_buf(outbuf)+alignment_offset) - smb_base(outbuf)));
 191                         /*
 192                          * Absolute displacement of param bytes sent in this packet.
 193                          */
 194
 195                         SIVAL(outbuf,smb_ntr_ParameterDisplacement,pp - params);
 196                 }
 197
 198                 /*
 199                  * Deal with the data portion.
 200                  */
 201
 202                 SIVAL(outbuf,smb_ntr_DataCount, data_sent_thistime);
 203
 204                 if(data_sent_thistime == 0) {
 205                         SIVAL(outbuf,smb_ntr_DataOffset,0);
 206                         SIVAL(outbuf,smb_ntr_DataDisplacement, 0);
 207                 } else {
 208                         /*
 209                          * The offset of the data bytes is the offset of the
 210                          * parameter bytes plus the number of parameters being sent this time.
 211                          */
 212
 213                         SIVAL(outbuf,smb_ntr_DataOffset,((smb_buf(outbuf)+alignment_offset) -
 214                                 smb_base(outbuf)) + params_sent_thistime + data_alignment_offset);
 215                                 SIVAL(outbuf,smb_ntr_DataDisplacement, pd - pdata);
 216                 }
 217
 218                 /*
 219                  * Copy the param bytes into the packet.
 220                  */
 221
 222                 if(params_sent_thistime) {
 223                         memcpy((smb_buf(outbuf)+alignment_offset),pp,params_sent_thistime);
 224                 }
 225
 226                 /*
 227                  * Copy in the data bytes
 228                  */
 229
 230                 if(data_sent_thistime) {
 231                         memcpy(smb_buf(outbuf)+alignment_offset+params_sent_thistime+
 232                                 data_alignment_offset,pd,data_sent_thistime);
 233                 }
 234
 235                 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
 236                         params_sent_thistime, data_sent_thistime, useable_space));
 237                 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
 238                         params_to_send, data_to_send, paramsize, datasize));
 239
 240                 /* Send the packet */
 241                 show_msg(outbuf);
 242                 if (!send_smb(smbd_server_fd(),outbuf)) {
 243                         exit_server_cleanly("send_nt_replies: send_smb failed.");
 244                 }
 245
 246                 pp += params_sent_thistime;
 247                 pd += data_sent_thistime;
 248
 249                 params_to_send -= params_sent_thistime;
 250                 data_to_send -= data_sent_thistime;
 251
 252                 /*
 253                  * Sanity check
 254                  */
 255
 256                 if(params_to_send < 0 || data_to_send < 0) {
 257                         DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
 258                                 params_to_send, data_to_send));
 259                         return -1;
 260                 }
 261         }
 262
 263         return 0;
 264 }
 265
 266 /****************************************************************************
 267  Is it an NTFS stream name ?
 268 ****************************************************************************/
 269
 270 BOOL is_ntfs_stream_name(const char *fname)
 271 {
 272         if (lp_posix_pathnames()) {
 273                 return False;
 274         }
 275         return (strchr_m(fname, ':') != NULL) ? True : False;
 276 }
 277
 278 /****************************************************************************
 279  Save case statics.
 280 ****************************************************************************/
 281
 282 static BOOL saved_case_sensitive;
 283 static BOOL saved_case_preserve;
 284 static BOOL saved_short_case_preserve;
 285
 286 /****************************************************************************
 287  Save case semantics.
 288 ****************************************************************************/
 289
 290 static uint32 set_posix_case_semantics(connection_struct *conn, uint32 file_attributes)
 291 {
 292         if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS)) {
 293                 return file_attributes;
 294         }
 295
 296         saved_case_sensitive = conn->case_sensitive;
 297         saved_case_preserve = conn->case_preserve;
 298         saved_short_case_preserve = conn->short_case_preserve;
 299
 300         /* Set to POSIX. */
 301         conn->case_sensitive = True;
 302         conn->case_preserve = True;
 303         conn->short_case_preserve = True;
 304
 305         return (file_attributes & ~FILE_FLAG_POSIX_SEMANTICS);
 306 }
 307
 308 /****************************************************************************
 309  Restore case semantics.
 310 ****************************************************************************/
 311
 312 static void restore_case_semantics(connection_struct *conn, uint32 file_attributes)
 313 {
 314         if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS)) {
 315                 return;
 316         }
 317
 318         conn->case_sensitive = saved_case_sensitive;
 319         conn->case_preserve = saved_case_preserve;
 320         conn->short_case_preserve = saved_short_case_preserve;
 321 }
 322
 323 /****************************************************************************
 324  Reply to an NT create and X call on a pipe.
 325 ****************************************************************************/
 326
 327 static int nt_open_pipe(char *fname, connection_struct *conn,
 328                         char *inbuf, char *outbuf, int *ppnum)
 329 {
 330         smb_np_struct *p = NULL;
 331         uint16 vuid = SVAL(inbuf, smb_uid);
 332         int i;
 333
 334         DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
 335
 336         /* See if it is one we want to handle. */
 337
 338         if (lp_disable_spoolss() && strequal(fname, "\\spoolss")) {
 339                 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
 340         }
 341
 342         for( i = 0; known_nt_pipes[i]; i++ ) {
 343                 if( strequal(fname,known_nt_pipes[i])) {
 344                         break;
 345                 }
 346         }
 347
 348         if ( known_nt_pipes[i] == NULL ) {
 349                 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
 350         }
 351
 352         /* Strip \\ off the name. */
 353         fname++;
 354
 355         DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
 356
 357         p = open_rpc_pipe_p(fname, conn, vuid);
 358         if (!p) {
 359                 return(ERROR_DOS(ERRSRV,ERRnofids));
 360         }
 361
 362         /* TODO: Add pipe to db */
 363
 364         if ( !store_pipe_opendb( p ) ) {
 365                 DEBUG(3,("nt_open_pipe: failed to store %s pipe open.\n", fname));
 366         }
 367
 368         *ppnum = p->pnum;
 369         return 0;
 370 }
 371
 372 /****************************************************************************
 373  Reply to an NT create and X call for pipes.
 374 ****************************************************************************/
 375
 376 static int do_ntcreate_pipe_open(connection_struct *conn,
 377                          char *inbuf,char *outbuf,int length,int bufsize)
 378 {
 379         pstring fname;
 380         int ret;
 381         int pnum = -1;
 382         char *p = NULL;
 383         uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
 384
 385         srvstr_pull_buf(inbuf, SVAL(inbuf, smb_flg2), fname, smb_buf(inbuf),
 386                         sizeof(fname), STR_TERMINATE);
 387
 388         if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0) {
 389                 return ret;
 390         }
 391
 392         /*
 393          * Deal with pipe return.
 394          */
 395
 396         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 397                 /* This is very strange. We
 398                  * return 50 words, but only set
 399                  * the wcnt to 42 ? It's definately
 400                  * what happens on the wire....
 401                  */
 402                 set_message(inbuf,outbuf,50,0,True);
 403                 SCVAL(outbuf,smb_wct,42);
 404         } else {
 405                 set_message(inbuf,outbuf,34,0,True);
 406         }
 407
 408         p = outbuf + smb_vwv2;
 409         p++;
 410         SSVAL(p,0,pnum);
 411         p += 2;
 412         SIVAL(p,0,FILE_WAS_OPENED);
 413         p += 4;
 414         p += 32;
 415         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
 416         p += 20;
 417         /* File type. */
 418         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
 419         /* Device state. */
 420         SSVAL(p,2, 0x5FF); /* ? */
 421         p += 4;
 422
 423         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 424                 p += 25;
 425                 SIVAL(p,0,FILE_GENERIC_ALL);
 426                 /*
 427                  * For pipes W2K3 seems to return
 428                  * 0x12019B next.
 429                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
 430                  */
 431                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
 432         }
 433
 434         DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
 435
 436         return chain_reply(inbuf,outbuf,length,bufsize);
 437 }
 438
 439 /****************************************************************************
 440  Reply to an NT create and X call for a quota file.
 441 ****************************************************************************/
 442
 443 int reply_ntcreate_and_X_quota(connection_struct *conn,
 444                                 char *inbuf,
 445                                 char *outbuf,
 446                                 int length,
 447                                 int bufsize,
 448                                 enum FAKE_FILE_TYPE fake_file_type,
 449                                 const char *fname)
 450 {
 451         int result;
 452         char *p;
 453         uint32 desired_access = IVAL(inbuf,smb_ntcreate_DesiredAccess);
 454         files_struct *fsp;
 455         NTSTATUS status;
 456
 457         status = open_fake_file(conn, fake_file_type, fname, desired_access,
 458                                 &fsp);
 459
 460         if (!NT_STATUS_IS_OK(status)) {
 461                 return ERROR_NT(status);
 462         }
 463
 464         set_message(inbuf,outbuf,34,0,True);
 465
 466         p = outbuf + smb_vwv2;
 467
 468         /* SCVAL(p,0,NO_OPLOCK_RETURN); */
 469         p++;
 470         SSVAL(p,0,fsp->fnum);
 471
 472         DEBUG(5,("reply_ntcreate_and_X_quota: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
 473
 474         result = chain_reply(inbuf,outbuf,length,bufsize);
 475         return result;
 476 }
 477
 478 /****************************************************************************
 479  Reply to an NT create and X call.
 480 ****************************************************************************/
 481
 482 int reply_ntcreate_and_X(connection_struct *conn,
 483                          char *inbuf,char *outbuf,int length,int bufsize)
 484 {
 485         int result;
 486         pstring fname;
 487         uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
 488         uint32 access_mask = IVAL(inbuf,smb_ntcreate_DesiredAccess);
 489         uint32 file_attributes = IVAL(inbuf,smb_ntcreate_FileAttributes);
 490         uint32 new_file_attributes;
 491         uint32 share_access = IVAL(inbuf,smb_ntcreate_ShareAccess);
 492         uint32 create_disposition = IVAL(inbuf,smb_ntcreate_CreateDisposition);
 493         uint32 create_options = IVAL(inbuf,smb_ntcreate_CreateOptions);
 494         uint16 root_dir_fid = (uint16)IVAL(inbuf,smb_ntcreate_RootDirectoryFid);
 495         /* Breakout the oplock request bits so we can set the
 496            reply bits separately. */
 497         int oplock_request = 0;
 498         uint32 fattr=0;
 499         SMB_OFF_T file_len = 0;
 500         SMB_STRUCT_STAT sbuf;
 501         int info = 0;
 502         files_struct *fsp = NULL;
 503         char *p = NULL;
 504         struct timespec c_timespec;
 505         struct timespec a_timespec;
 506         struct timespec m_timespec;
 507         BOOL extended_oplock_granted = False;
 508         NTSTATUS status;
 509         struct smb_request req;
 510
 511         START_PROFILE(SMBntcreateX);
 512
 513         DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
 514                   "file_attributes = 0x%x, share_access = 0x%x, "
 515                   "create_disposition = 0x%x create_options = 0x%x "
 516                   "root_dir_fid = 0x%x\n",
 517                         (unsigned int)flags,
 518                         (unsigned int)access_mask,
 519                         (unsigned int)file_attributes,
 520                         (unsigned int)share_access,
 521                         (unsigned int)create_disposition,
 522                         (unsigned int)create_options,
 523                         (unsigned int)root_dir_fid ));
 524
 525         init_smb_request(&req, (uint8 *)inbuf);
 526
 527         /*
 528          * If it's an IPC, use the pipe handler.
 529          */
 530
 531         if (IS_IPC(conn)) {
 532                 if (lp_nt_pipe_support()) {
 533                         END_PROFILE(SMBntcreateX);
 534                         return do_ntcreate_pipe_open(conn,inbuf,outbuf,length,bufsize);
 535                 } else {
 536                         END_PROFILE(SMBntcreateX);
 537                         return(ERROR_DOS(ERRDOS,ERRnoaccess));
 538                 }
 539         }
 540
 541         if (create_options & FILE_OPEN_BY_FILE_ID) {
 542                 END_PROFILE(SMBntcreateX);
 543                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
 544         }
 545
 546         /*
 547          * Get the file name.
 548          */
 549
 550         if(root_dir_fid != 0) {
 551                 /*
 552                  * This filename is relative to a directory fid.
 553                  */
 554                 pstring rel_fname;
 555                 files_struct *dir_fsp = file_fsp(inbuf,smb_ntcreate_RootDirectoryFid);
 556                 size_t dir_name_len;
 557
 558                 if(!dir_fsp) {
 559                         END_PROFILE(SMBntcreateX);
 560                         return ERROR_DOS(ERRDOS,ERRbadfid);
 561                 }
 562
 563                 if(!dir_fsp->is_directory) {
 564
 565                         srvstr_get_path(inbuf, SVAL(inbuf,smb_flg2), fname,
 566                                         smb_buf(inbuf), sizeof(fname), 0,
 567                                         STR_TERMINATE, &status);
 568                         if (!NT_STATUS_IS_OK(status)) {
 569                                 END_PROFILE(SMBntcreateX);
 570                                 return ERROR_NT(status);
 571                         }
 572
 573                         /*
 574                          * Check to see if this is a mac fork of some kind.
 575                          */
 576
 577                         if( is_ntfs_stream_name(fname)) {
 578                                 END_PROFILE(SMBntcreateX);
 579                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 580                         }
 581
 582                         /*
 583                           we need to handle the case when we get a
 584                           relative open relative to a file and the
 585                           pathname is blank - this is a reopen!
 586                           (hint from demyn plantenberg)
 587                         */
 588
 589                         END_PROFILE(SMBntcreateX);
 590                         return(ERROR_DOS(ERRDOS,ERRbadfid));
 591                 }
 592
 593                 /*
 594                  * Copy in the base directory name.
 595                  */
 596
 597                 pstrcpy( fname, dir_fsp->fsp_name );
 598                 dir_name_len = strlen(fname);
 599
 600                 /*
 601                  * Ensure it ends in a '\'.
 602                  */
 603
 604                 if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
 605                         pstrcat(fname, "/");
 606                         dir_name_len++;
 607                 }
 608
 609                 srvstr_get_path(inbuf, SVAL(inbuf,smb_flg2), rel_fname,
 610                                 smb_buf(inbuf), sizeof(rel_fname), 0,
 611                                 STR_TERMINATE, &status);
 612                 if (!NT_STATUS_IS_OK(status)) {
 613                         END_PROFILE(SMBntcreateX);
 614                         return ERROR_NT(status);
 615                 }
 616                 pstrcat(fname, rel_fname);
 617         } else {
 618                 srvstr_get_path(inbuf, SVAL(inbuf,smb_flg2), fname,
 619                                 smb_buf(inbuf), sizeof(fname), 0,
 620                                 STR_TERMINATE, &status);
 621                 if (!NT_STATUS_IS_OK(status)) {
 622                         END_PROFILE(SMBntcreateX);
 623                         return ERROR_NT(status);
 624                 }
 625
 626                 /*
 627                  * Check to see if this is a mac fork of some kind.
 628                  */
 629
 630                 if( is_ntfs_stream_name(fname)) {
 631                         enum FAKE_FILE_TYPE fake_file_type = is_fake_file(fname);
 632                         if (fake_file_type!=FAKE_FILE_TYPE_NONE) {
 633                                 /*
 634                                  * Here we go! support for changing the disk quotas --metze
 635                                  *
 636                                  * We need to fake up to open this MAGIC QUOTA file
 637                                  * and return a valid FID.
 638                                  *
 639                                  * w2k close this file directly after openening
 640                                  * xp also tries a QUERY_FILE_INFO on the file and then close it
 641                                  */
 642                                 result = reply_ntcreate_and_X_quota(conn, inbuf, outbuf, length, bufsize,
 643                                                                 fake_file_type, fname);
 644                                 END_PROFILE(SMBntcreateX);
 645                                 return result;
 646                         } else {
 647                                 END_PROFILE(SMBntcreateX);
 648                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 649                         }
 650                 }
 651         }
 652
 653         /*
 654          * Now contruct the smb_open_mode value from the filename,
 655          * desired access and the share access.
 656          */
 657         status = resolve_dfspath(conn, SVAL(inbuf,smb_flg2) & FLAGS2_DFS_PATHNAMES, fname);
 658         if (!NT_STATUS_IS_OK(status)) {
 659                 END_PROFILE(SMBntcreateX);
 660                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
 661                         return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED, ERRSRV, ERRbadpath);
 662                 }
 663                 return ERROR_NT(status);
 664         }
 665
 666         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
 667         if (oplock_request) {
 668                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
 669         }
 670
 671         /*
 672          * Ordinary file or directory.
 673          */
 674
 675         /*
 676          * Check if POSIX semantics are wanted.
 677          */
 678
 679         new_file_attributes = set_posix_case_semantics(conn, file_attributes);
 680
 681         status = unix_convert(conn, fname, False, NULL, &sbuf);
 682         if (!NT_STATUS_IS_OK(status)) {
 683                 restore_case_semantics(conn, file_attributes);
 684                 END_PROFILE(SMBntcreateX);
 685                 return ERROR_NT(status);
 686         }
 687         /* All file access must go through check_name() */
 688         status = check_name(conn, fname);
 689         if (!NT_STATUS_IS_OK(status)) {
 690                 restore_case_semantics(conn, file_attributes);
 691                 END_PROFILE(SMBntcreateX);
 692                 return ERROR_NT(status);
 693         }
 694
 695         /* This is the correct thing to do (check every time) but can_delete is
 696            expensive (it may have to read the parent directory permissions). So
 697            for now we're not doing it unless we have a strong hint the client
 698            is really going to delete this file. If the client is forcing FILE_CREATE
 699            let the filesystem take care of the permissions. */
 700
 701         /* Setting FILE_SHARE_DELETE is the hint. */
 702
 703         if (lp_acl_check_permissions(SNUM(conn))
 704             && (create_disposition != FILE_CREATE)
 705             && (share_access & FILE_SHARE_DELETE)
 706             && (access_mask & DELETE_ACCESS)) {
 707                 if ((dos_mode(conn, fname, &sbuf) & FILE_ATTRIBUTE_READONLY) ||
 708                                 !can_delete_file_in_directory(conn, fname)) {
 709                         restore_case_semantics(conn, file_attributes);
 710                         END_PROFILE(SMBntcreateX);
 711                         return ERROR_NT(NT_STATUS_ACCESS_DENIED);
 712                 }
 713         }
 714
 715 #if 0
 716         /* We need to support SeSecurityPrivilege for this. */
 717         if ((access_mask & SEC_RIGHT_SYSTEM_SECURITY)) &&
 718                         !user_has_privileges(current_user.nt_user_token,
 719                                 &se_security)) {
 720                 restore_case_semantics(conn, file_attributes);
 721                 END_PROFILE(SMBntcreateX);
 722                 return ERROR_NT(NT_STATUS_PRIVILEGE_NOT_HELD);
 723         }
 724 #endif
 725
 726         /*
 727          * If it's a request for a directory open, deal with it separately.
 728          */
 729
 730         if(create_options & FILE_DIRECTORY_FILE) {
 731
 732                 /* Can't open a temp directory. IFS kit test. */
 733                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
 734                         restore_case_semantics(conn, file_attributes);
 735                         END_PROFILE(SMBntcreateX);
 736                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
 737                 }
 738
 739                 oplock_request = 0;
 740                 status = open_directory(conn, &req, fname, &sbuf,
 741                                         access_mask,
 742                                         share_access,
 743                                         create_disposition,
 744                                         create_options,
 745                                         new_file_attributes,
 746                                         &info, &fsp);
 747
 748                 restore_case_semantics(conn, file_attributes);
 749
 750                 if(!NT_STATUS_IS_OK(status)) {
 751                         if (!use_nt_status() && NT_STATUS_EQUAL(
 752                                     status, NT_STATUS_OBJECT_NAME_COLLISION)) {
 753                                 status = NT_STATUS_DOS(ERRDOS, ERRfilexists);
 754                         }
 755                         END_PROFILE(SMBntcreateX);
 756                         return ERROR_NT(status);
 757                 }
 758
 759         } else {
 760
 761                 /*
 762                  * Ordinary file case.
 763                  */
 764
 765                 /* NB. We have a potential bug here. If we
 766                  * cause an oplock break to ourselves, then we
 767                  * could end up processing filename related
 768                  * SMB requests whilst we await the oplock
 769                  * break response. As we may have changed the
 770                  * filename case semantics to be POSIX-like,
 771                  * this could mean a filename request could
 772                  * fail when it should succeed. This is a rare
 773                  * condition, but eventually we must arrange
 774                  * to restore the correct case semantics
 775                  * before issuing an oplock break request to
 776                  * our client. JRA.  */
 777
 778                 status = open_file_ntcreate(conn, &req, fname, &sbuf,
 779                                         access_mask,
 780                                         share_access,
 781                                         create_disposition,
 782                                         create_options,
 783                                         new_file_attributes,
 784                                         oplock_request,
 785                                         &info, &fsp);
 786
 787                 if (!NT_STATUS_IS_OK(status)) {
 788                         /* We cheat here. There are two cases we
 789                          * care about. One is a directory rename,
 790                          * where the NT client will attempt to
 791                          * open the source directory for
 792                          * DELETE access. Note that when the
 793                          * NT client does this it does *not*
 794                          * set the directory bit in the
 795                          * request packet. This is translated
 796                          * into a read/write open
 797                          * request. POSIX states that any open
 798                          * for write request on a directory
 799                          * will generate an EISDIR error, so
 800                          * we can catch this here and open a
 801                          * pseudo handle that is flagged as a
 802                          * directory. The second is an open
 803                          * for a permissions read only, which
 804                          * we handle in the open_file_stat case. JRA.
 805                          */
 806
 807                         if (NT_STATUS_EQUAL(status,
 808                                             NT_STATUS_FILE_IS_A_DIRECTORY)) {
 809
 810                                 /*
 811                                  * Fail the open if it was explicitly a non-directory file.
 812                                  */
 813
 814                                 if (create_options & FILE_NON_DIRECTORY_FILE) {
 815                                         restore_case_semantics(conn, file_attributes);
 816                                         END_PROFILE(SMBntcreateX);
 817                                         return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
 818                                 }
 819
 820                                 oplock_request = 0;
 821                                 status = open_directory(conn, &req, fname,
 822                                                         &sbuf,
 823                                                         access_mask,
 824                                                         share_access,
 825                                                         create_disposition,
 826                                                         create_options,
 827                                                         new_file_attributes,
 828                                                         &info, &fsp);
 829
 830                                 if(!NT_STATUS_IS_OK(status)) {
 831                                         restore_case_semantics(conn, file_attributes);
 832                                         if (!use_nt_status() && NT_STATUS_EQUAL(
 833                                                     status, NT_STATUS_OBJECT_NAME_COLLISION)) {
 834                                                 status = NT_STATUS_DOS(ERRDOS, ERRfilexists);
 835                                         }
 836                                         END_PROFILE(SMBntcreateX);
 837                                         return ERROR_NT(status);
 838                                 }
 839                         } else {
 840                                 restore_case_semantics(conn, file_attributes);
 841                                 END_PROFILE(SMBntcreateX);
 842                                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
 843                                         /* We have re-scheduled this call. */
 844                                         return -1;
 845                                 }
 846                                 return ERROR_NT(status);
 847                         }
 848                 }
 849         }
 850
 851         restore_case_semantics(conn, file_attributes);
 852
 853         file_len = sbuf.st_size;
 854         fattr = dos_mode(conn,fname,&sbuf);
 855         if(fattr == 0) {
 856                 fattr = FILE_ATTRIBUTE_NORMAL;
 857         }
 858         if (!fsp->is_directory && (fattr & aDIR)) {
 859                 close_file(fsp,ERROR_CLOSE);
 860                 END_PROFILE(SMBntcreateX);
 861                 return ERROR_DOS(ERRDOS,ERRnoaccess);
 862         }
 863
 864         /* Save the requested allocation size. */
 865         if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
 866                 SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize);
 867 #ifdef LARGE_SMB_OFF_T
 868                 allocation_size |= (((SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
 869 #endif
 870                 if (allocation_size && (allocation_size > (SMB_BIG_UINT)file_len)) {
 871                         fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
 872                         if (fsp->is_directory) {
 873                                 close_file(fsp,ERROR_CLOSE);
 874                                 END_PROFILE(SMBntcreateX);
 875                                 /* Can't set allocation size on a directory. */
 876                                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
 877                         }
 878                         if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
 879                                 close_file(fsp,ERROR_CLOSE);
 880                                 END_PROFILE(SMBntcreateX);
 881                                 return ERROR_NT(NT_STATUS_DISK_FULL);
 882                         }
 883                 } else {
 884                         fsp->initial_allocation_size = smb_roundup(fsp->conn,(SMB_BIG_UINT)file_len);
 885                 }
 886         }
 887
 888         /*
 889          * If the caller set the extended oplock request bit
 890          * and we granted one (by whatever means) - set the
 891          * correct bit for extended oplock reply.
 892          */
 893
 894         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
 895                 extended_oplock_granted = True;
 896         }
 897
 898         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
 899                 extended_oplock_granted = True;
 900         }
 901
 902         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 903                 /* This is very strange. We
 904                  * return 50 words, but only set
 905                  * the wcnt to 42 ? It's definately
 906                  * what happens on the wire....
 907                  */
 908                 set_message(inbuf,outbuf,50,0,True);
 909                 SCVAL(outbuf,smb_wct,42);
 910         } else {
 911                 set_message(inbuf,outbuf,34,0,True);
 912         }
 913
 914         p = outbuf + smb_vwv2;
 915
 916         /*
 917          * Currently as we don't support level II oplocks we just report
 918          * exclusive & batch here.
 919          */
 920
 921         if (extended_oplock_granted) {
 922                 if (flags & REQUEST_BATCH_OPLOCK) {
 923                         SCVAL(p,0, BATCH_OPLOCK_RETURN);
 924                 } else {
 925                         SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
 926                 }
 927         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
 928                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
 929         } else {
 930                 SCVAL(p,0,NO_OPLOCK_RETURN);
 931         }
 932
 933         p++;
 934         SSVAL(p,0,fsp->fnum);
 935         p += 2;
 936         if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
 937                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
 938         } else {
 939                 SIVAL(p,0,info);
 940         }
 941         p += 4;
 942
 943         /* Create time. */
 944         c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
 945         a_timespec = get_atimespec(&sbuf);
 946         m_timespec = get_mtimespec(&sbuf);
 947
 948         if (lp_dos_filetime_resolution(SNUM(conn))) {
 949                 dos_filetime_timespec(&c_timespec);
 950                 dos_filetime_timespec(&a_timespec);
 951                 dos_filetime_timespec(&m_timespec);
 952         }
 953
 954         put_long_date_timespec(p, c_timespec); /* create time. */
 955         p += 8;
 956         put_long_date_timespec(p, a_timespec); /* access time */
 957         p += 8;
 958         put_long_date_timespec(p, m_timespec); /* write time */
 959         p += 8;
 960         put_long_date_timespec(p, m_timespec); /* change time */
 961         p += 8;
 962         SIVAL(p,0,fattr); /* File Attributes. */
 963         p += 4;
 964         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
 965         p += 8;
 966         SOFF_T(p,0,file_len);
 967         p += 8;
 968         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 969                 SSVAL(p,2,0x7);
 970         }
 971         p += 4;
 972         SCVAL(p,0,fsp->is_directory ? 1 : 0);
 973
 974         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 975                 uint32 perms = 0;
 976                 p += 25;
 977                 if (fsp->is_directory || can_write_to_file(conn, fname, &sbuf)) {
 978                         perms = FILE_GENERIC_ALL;
 979                 } else {
 980                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
 981                 }
 982                 SIVAL(p,0,perms);
 983         }
 984
 985         DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
 986
 987         result = chain_reply(inbuf,outbuf,length,bufsize);
 988         END_PROFILE(SMBntcreateX);
 989         return result;
 990 }
 991
 992 /****************************************************************************
 993  Reply to a NT_TRANSACT_CREATE call to open a pipe.
 994 ****************************************************************************/
 995
 996 static int do_nt_transact_create_pipe( connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
 997                                   uint16 **ppsetup, uint32 setup_count,
 998                                   char **ppparams, uint32 parameter_count,
 999                                   char **ppdata, uint32 data_count)
1000 {
1001         pstring fname;
1002         char *params = *ppparams;
1003         int ret;
1004         int pnum = -1;
1005         char *p = NULL;
1006         NTSTATUS status;
1007         size_t param_len;
1008         uint32 flags;
1009
1010         /*
1011          * Ensure minimum number of parameters sent.
1012          */
1013
1014         if(parameter_count < 54) {
1015                 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1016                 return ERROR_DOS(ERRDOS,ERRnoaccess);
1017         }
1018
1019         flags = IVAL(params,0);
1020
1021         srvstr_get_path(inbuf, SVAL(inbuf,smb_flg2), fname, params+53,
1022                         sizeof(fname), parameter_count-53, STR_TERMINATE,
1023                         &status);
1024         if (!NT_STATUS_IS_OK(status)) {
1025                 return ERROR_NT(status);
1026         }
1027
1028         if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0) {
1029                 return ret;
1030         }
1031
1032         /* Realloc the size of parameters and data we will return */
1033         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1034                 /* Extended response is 32 more byyes. */
1035                 param_len = 101;
1036         } else {
1037                 param_len = 69;
1038         }
1039         params = nttrans_realloc(ppparams, param_len);
1040         if(params == NULL) {
1041                 return ERROR_DOS(ERRDOS,ERRnomem);
1042         }
1043
1044         p = params;
1045         SCVAL(p,0,NO_OPLOCK_RETURN);
1046
1047         p += 2;
1048         SSVAL(p,0,pnum);
1049         p += 2;
1050         SIVAL(p,0,FILE_WAS_OPENED);
1051         p += 8;
1052
1053         p += 32;
1054         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
1055         p += 20;
1056         /* File type. */
1057         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
1058         /* Device state. */
1059         SSVAL(p,2, 0x5FF); /* ? */
1060         p += 4;
1061
1062         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1063                 p += 25;
1064                 SIVAL(p,0,FILE_GENERIC_ALL);
1065                 /*
1066                  * For pipes W2K3 seems to return
1067                  * 0x12019B next.
1068                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
1069                  */
1070                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
1071         }
1072
1073         DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
1074
1075         /* Send the required number of replies */
1076         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, param_len, *ppdata, 0);
1077
1078         return -1;
1079 }
1080
1081 /****************************************************************************
1082  Internal fn to set security descriptors.
1083 ****************************************************************************/
1084
1085 static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent)
1086 {
1087         prs_struct pd;
1088         SEC_DESC *psd = NULL;
1089         TALLOC_CTX *mem_ctx;
1090         NTSTATUS status;
1091
1092         if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
1093                 return NT_STATUS_OK;
1094         }
1095
1096         /*
1097          * Init the parse struct we will unmarshall from.
1098          */
1099
1100         if ((mem_ctx = talloc_init("set_sd")) == NULL) {
1101                 DEBUG(0,("set_sd: talloc_init failed.\n"));
1102                 return NT_STATUS_NO_MEMORY;
1103         }
1104
1105         prs_init(&pd, 0, mem_ctx, UNMARSHALL);
1106
1107         /*
1108          * Setup the prs_struct to point at the memory we just
1109          * allocated.
1110          */
1111
1112         prs_give_memory( &pd, data, sd_len, False);
1113
1114         /*
1115          * Finally, unmarshall from the data buffer.
1116          */
1117
1118         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1119                 DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
1120                 /*
1121                  * Return access denied for want of a better error message..
1122                  */
1123                 talloc_destroy(mem_ctx);
1124                 return NT_STATUS_NO_MEMORY;
1125         }
1126
1127         if (psd->owner_sid==0) {
1128                 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
1129         }
1130         if (psd->group_sid==0) {
1131                 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
1132         }
1133         if (psd->sacl==0) {
1134                 security_info_sent &= ~SACL_SECURITY_INFORMATION;
1135         }
1136         if (psd->dacl==0) {
1137                 security_info_sent &= ~DACL_SECURITY_INFORMATION;
1138         }
1139
1140         status = SMB_VFS_FSET_NT_ACL( fsp, fsp->fh->fd, security_info_sent, psd);
1141
1142         talloc_destroy(mem_ctx);
1143         return status;
1144 }
1145
1146 /****************************************************************************
1147  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
1148 ****************************************************************************/
1149
1150 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
1151 {
1152         struct ea_list *ea_list_head = NULL;
1153         size_t offset = 0;
1154
1155         if (data_size < 4) {
1156                 return NULL;
1157         }
1158
1159         while (offset + 4 <= data_size) {
1160                 size_t next_offset = IVAL(pdata,offset);
1161                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
1162
1163                 if (!eal) {
1164                         return NULL;
1165                 }
1166
1167                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
1168                 if (next_offset == 0) {
1169                         break;
1170                 }
1171                 offset += next_offset;
1172         }
1173
1174         return ea_list_head;
1175 }
1176
1177 /****************************************************************************
1178  Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1179 ****************************************************************************/
1180
1181 static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1182                                   uint16 **ppsetup, uint32 setup_count,
1183                                   char **ppparams, uint32 parameter_count,
1184                                   char **ppdata, uint32 data_count, uint32 max_data_count)
1185 {
1186         pstring fname;
1187         char *params = *ppparams;
1188         char *data = *ppdata;
1189         /* Breakout the oplock request bits so we can set the reply bits separately. */
1190         int oplock_request = 0;
1191         uint32 fattr=0;
1192         SMB_OFF_T file_len = 0;
1193         SMB_STRUCT_STAT sbuf;
1194         int info = 0;
1195         files_struct *fsp = NULL;
1196         char *p = NULL;
1197         BOOL extended_oplock_granted = False;
1198         uint32 flags;
1199         uint32 access_mask;
1200         uint32 file_attributes;
1201         uint32 new_file_attributes;
1202         uint32 share_access;
1203         uint32 create_disposition;
1204         uint32 create_options;
1205         uint32 sd_len;
1206         uint32 ea_len;
1207         uint16 root_dir_fid;
1208         struct timespec c_timespec;
1209         struct timespec a_timespec;
1210         struct timespec m_timespec;
1211         struct ea_list *ea_list = NULL;
1212         TALLOC_CTX *ctx = NULL;
1213         char *pdata = NULL;
1214         NTSTATUS status;
1215         size_t param_len;
1216         struct smb_request req;
1217
1218         DEBUG(5,("call_nt_transact_create\n"));
1219
1220         /*
1221          * If it's an IPC, use the pipe handler.
1222          */
1223
1224         if (IS_IPC(conn)) {
1225                 if (lp_nt_pipe_support()) {
1226                         return do_nt_transact_create_pipe(conn, inbuf, outbuf, length,
1227                                         bufsize,
1228                                         ppsetup, setup_count,
1229                                         ppparams, parameter_count,
1230                                         ppdata, data_count);
1231                 } else {
1232                         return ERROR_DOS(ERRDOS,ERRnoaccess);
1233                 }
1234         }
1235
1236         /*
1237          * Ensure minimum number of parameters sent.
1238          */
1239
1240         if(parameter_count < 54) {
1241                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1242                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1243         }
1244
1245         init_smb_request(&req, (uint8 *)inbuf);
1246
1247         flags = IVAL(params,0);
1248         access_mask = IVAL(params,8);
1249         file_attributes = IVAL(params,20);
1250         share_access = IVAL(params,24);
1251         create_disposition = IVAL(params,28);
1252         create_options = IVAL(params,32);
1253         sd_len = IVAL(params,36);
1254         ea_len = IVAL(params,40);
1255         root_dir_fid = (uint16)IVAL(params,4);
1256
1257         /* Ensure the data_len is correct for the sd and ea values given. */
1258         if ((ea_len + sd_len > data_count) ||
1259                         (ea_len > data_count) || (sd_len > data_count) ||
1260                         (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1261                 DEBUG(10,("call_nt_transact_create - ea_len = %u, sd_len = %u, data_count = %u\n",
1262                         (unsigned int)ea_len, (unsigned int)sd_len, (unsigned int)data_count ));
1263                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1264         }
1265
1266         if (ea_len) {
1267                 if (!lp_ea_support(SNUM(conn))) {
1268                         DEBUG(10,("call_nt_transact_create - ea_len = %u but EA's not supported.\n",
1269                                 (unsigned int)ea_len ));
1270                         return ERROR_NT(NT_STATUS_EAS_NOT_SUPPORTED);
1271                 }
1272
1273                 if (ea_len < 10) {
1274                         DEBUG(10,("call_nt_transact_create - ea_len = %u - too small (should be more than 10)\n",
1275                                 (unsigned int)ea_len ));
1276                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1277                 }
1278         }
1279
1280         if (create_options & FILE_OPEN_BY_FILE_ID) {
1281                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1282         }
1283
1284         /*
1285          * Get the file name.
1286          */
1287
1288         if(root_dir_fid != 0) {
1289                 /*
1290                  * This filename is relative to a directory fid.
1291                  */
1292                 files_struct *dir_fsp = file_fsp(params,4);
1293                 size_t dir_name_len;
1294
1295                 if(!dir_fsp) {
1296                         return ERROR_DOS(ERRDOS,ERRbadfid);
1297                 }
1298
1299                 if(!dir_fsp->is_directory) {
1300                         srvstr_get_path(inbuf, SVAL(inbuf,smb_flg2), fname,
1301                                         params+53, sizeof(fname),
1302                                         parameter_count-53, STR_TERMINATE,
1303                                         &status);
1304                         if (!NT_STATUS_IS_OK(status)) {
1305                                 return ERROR_NT(status);
1306                         }
1307
1308                         /*
1309                          * Check to see if this is a mac fork of some kind.
1310                          */
1311
1312                         if( is_ntfs_stream_name(fname)) {
1313                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1314                         }
1315
1316                         return ERROR_DOS(ERRDOS,ERRbadfid);
1317                 }
1318
1319                 /*
1320                  * Copy in the base directory name.
1321                  */
1322
1323                 pstrcpy( fname, dir_fsp->fsp_name );
1324                 dir_name_len = strlen(fname);
1325
1326                 /*
1327                  * Ensure it ends in a '\'.
1328                  */
1329
1330                 if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
1331                         pstrcat(fname, "/");
1332                         dir_name_len++;
1333                 }
1334
1335                 {
1336                         pstring tmpname;
1337                         srvstr_get_path(inbuf, SVAL(inbuf,smb_flg2), tmpname,
1338                                         params+53, sizeof(tmpname),
1339                                         parameter_count-53, STR_TERMINATE,
1340                                         &status);
1341                         if (!NT_STATUS_IS_OK(status)) {
1342                                 return ERROR_NT(status);
1343                         }
1344                         pstrcat(fname, tmpname);
1345                 }
1346         } else {
1347                 srvstr_get_path(inbuf, SVAL(inbuf,smb_flg2), fname, params+53,
1348                                 sizeof(fname), parameter_count-53,
1349                                 STR_TERMINATE, &status);
1350                 if (!NT_STATUS_IS_OK(status)) {
1351                         return ERROR_NT(status);
1352                 }
1353
1354                 /*
1355                  * Check to see if this is a mac fork of some kind.
1356                  */
1357
1358                 if( is_ntfs_stream_name(fname)) {
1359                         return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1360                 }
1361         }
1362
1363         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1364         if (oplock_request) {
1365                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1366         }
1367
1368         /*
1369          * Ordinary file or directory.
1370          */
1371
1372         /*
1373          * Check if POSIX semantics are wanted.
1374          */
1375
1376         new_file_attributes = set_posix_case_semantics(conn, file_attributes);
1377
1378         status = resolve_dfspath(conn, SVAL(inbuf,smb_flg2) & FLAGS2_DFS_PATHNAMES, fname);
1379         if (!NT_STATUS_IS_OK(status)) {
1380                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1381                         return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED, ERRSRV, ERRbadpath);
1382                 }
1383                 return ERROR_NT(status);
1384         }
1385
1386         status = unix_convert(conn, fname, False, NULL, &sbuf);
1387         if (!NT_STATUS_IS_OK(status)) {
1388                 restore_case_semantics(conn, file_attributes);
1389                 return ERROR_NT(status);
1390         }
1391         /* All file access must go through check_name() */
1392         status = check_name(conn, fname);
1393         if (!NT_STATUS_IS_OK(status)) {
1394                 restore_case_semantics(conn, file_attributes);
1395                 return ERROR_NT(status);
1396         }
1397
1398         /* This is the correct thing to do (check every time) but can_delete is
1399            expensive (it may have to read the parent directory permissions). So
1400            for now we're not doing it unless we have a strong hint the client
1401            is really going to delete this file. If the client is forcing FILE_CREATE
1402            let the filesystem take care of the permissions. */
1403
1404         /* Setting FILE_SHARE_DELETE is the hint. */
1405
1406         if (lp_acl_check_permissions(SNUM(conn))
1407             && (create_disposition != FILE_CREATE)
1408             && (share_access & FILE_SHARE_DELETE)
1409             && (access_mask & DELETE_ACCESS)) {
1410                 if ((dos_mode(conn, fname, &sbuf) & FILE_ATTRIBUTE_READONLY) ||
1411                                 !can_delete_file_in_directory(conn, fname)) {
1412                         restore_case_semantics(conn, file_attributes);
1413                         return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1414                 }
1415         }
1416
1417 #if 0
1418         /* We need to support SeSecurityPrivilege for this. */
1419         if ((access_mask & SEC_RIGHT_SYSTEM_SECURITY)) &&
1420                         !user_has_privileges(current_user.nt_user_token,
1421                                 &se_security)) {
1422                 restore_case_semantics(conn, file_attributes);
1423                 return ERROR_NT(NT_STATUS_PRIVILEGE_NOT_HELD);
1424         }
1425 #endif
1426
1427         if (ea_len) {
1428                 pdata = data + sd_len;
1429
1430                 /* We have already checked that ea_len <= data_count here. */
1431                 ea_list = read_nttrans_ea_list(tmp_talloc_ctx(), pdata,
1432                                                ea_len);
1433                 if (!ea_list ) {
1434                         restore_case_semantics(conn, file_attributes);
1435                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1436                 }
1437         }
1438
1439         /*
1440          * If it's a request for a directory open, deal with it separately.
1441          */
1442
1443         if(create_options & FILE_DIRECTORY_FILE) {
1444
1445                 /* Can't open a temp directory. IFS kit test. */
1446                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
1447                         restore_case_semantics(conn, file_attributes);
1448                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1449                 }
1450
1451                 /*
1452                  * We will get a create directory here if the Win32
1453                  * app specified a security descriptor in the
1454                  * CreateDirectory() call.
1455                  */
1456
1457                 oplock_request = 0;
1458                 status = open_directory(conn, &req, fname, &sbuf,
1459                                         access_mask,
1460                                         share_access,
1461                                         create_disposition,
1462                                         create_options,
1463                                         new_file_attributes,
1464                                         &info, &fsp);
1465                 if(!NT_STATUS_IS_OK(status)) {
1466                         restore_case_semantics(conn, file_attributes);
1467                         return ERROR_NT(status);
1468                 }
1469
1470         } else {
1471
1472                 /*
1473                  * Ordinary file case.
1474                  */
1475
1476                 status = open_file_ntcreate(conn,&req,fname,&sbuf,
1477                                         access_mask,
1478                                         share_access,
1479                                         create_disposition,
1480                                         create_options,
1481                                         new_file_attributes,
1482                                         oplock_request,
1483                                         &info, &fsp);
1484
1485                 if (!NT_STATUS_IS_OK(status)) {
1486                         if (NT_STATUS_EQUAL(status,
1487                                             NT_STATUS_FILE_IS_A_DIRECTORY)) {
1488
1489                                 /*
1490                                  * Fail the open if it was explicitly a non-directory file.
1491                                  */
1492
1493                                 if (create_options & FILE_NON_DIRECTORY_FILE) {
1494                                         restore_case_semantics(conn, file_attributes);
1495                                         return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
1496                                 }
1497
1498                                 oplock_request = 0;
1499                                 status = open_directory(conn, &req, fname,
1500                                                         &sbuf,
1501                                                         access_mask,
1502                                                         share_access,
1503                                                         create_disposition,
1504                                                         create_options,
1505                                                         new_file_attributes,
1506                                                         &info, &fsp);
1507                                 if(!NT_STATUS_IS_OK(status)) {
1508                                         restore_case_semantics(conn, file_attributes);
1509                                         return ERROR_NT(status);
1510                                 }
1511                         } else {
1512                                 restore_case_semantics(conn, file_attributes);
1513                                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1514                                         /* We have re-scheduled this call. */
1515                                         return -1;
1516                                 }
1517                                 return ERROR_NT(status);
1518                         }
1519                 }
1520         }
1521
1522         /*
1523          * According to the MS documentation, the only time the security
1524          * descriptor is applied to the opened file is iff we *created* the
1525          * file; an existing file stays the same.
1526          *
1527          * Also, it seems (from observation) that you can open the file with
1528          * any access mask but you can still write the sd. We need to override
1529          * the granted access before we call set_sd
1530          * Patch for bug #2242 from Tom Lackemann <cessnatomny@yahoo.com>.
1531          */
1532
1533         if (lp_nt_acl_support(SNUM(conn)) && sd_len && info == FILE_WAS_CREATED) {
1534                 uint32 saved_access_mask = fsp->access_mask;
1535
1536                 /* We have already checked that sd_len <= data_count here. */
1537
1538                 fsp->access_mask = FILE_GENERIC_ALL;
1539
1540                 status = set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION);
1541                 if (!NT_STATUS_IS_OK(status)) {
1542                         talloc_destroy(ctx);
1543                         close_file(fsp,ERROR_CLOSE);
1544                         restore_case_semantics(conn, file_attributes);
1545                         return ERROR_NT(status);
1546                 }
1547                 fsp->access_mask = saved_access_mask;
1548         }
1549
1550         if (ea_len && (info == FILE_WAS_CREATED)) {
1551                 status = set_ea(conn, fsp, fname, ea_list);
1552                 if (!NT_STATUS_IS_OK(status)) {
1553                         close_file(fsp,ERROR_CLOSE);
1554                         restore_case_semantics(conn, file_attributes);
1555                         return ERROR_NT(status);
1556                 }
1557         }
1558
1559         restore_case_semantics(conn, file_attributes);
1560
1561         file_len = sbuf.st_size;
1562         fattr = dos_mode(conn,fname,&sbuf);
1563         if(fattr == 0) {
1564                 fattr = FILE_ATTRIBUTE_NORMAL;
1565         }
1566         if (!fsp->is_directory && (fattr & aDIR)) {
1567                 close_file(fsp,ERROR_CLOSE);
1568                 return ERROR_DOS(ERRDOS,ERRnoaccess);
1569         }
1570
1571         /* Save the requested allocation size. */
1572         if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
1573                 SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(params,12);
1574 #ifdef LARGE_SMB_OFF_T
1575                 allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
1576 #endif
1577                 if (allocation_size && (allocation_size > file_len)) {
1578                         fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
1579                         if (fsp->is_directory) {
1580                                 close_file(fsp,ERROR_CLOSE);
1581                                 /* Can't set allocation size on a directory. */
1582                                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1583                         }
1584                         if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1585                                 close_file(fsp,ERROR_CLOSE);
1586                                 return ERROR_NT(NT_STATUS_DISK_FULL);
1587                         }
1588                 } else {
1589                         fsp->initial_allocation_size = smb_roundup(fsp->conn, (SMB_BIG_UINT)file_len);
1590                 }
1591         }
1592
1593         /*
1594          * If the caller set the extended oplock request bit
1595          * and we granted one (by whatever means) - set the
1596          * correct bit for extended oplock reply.
1597          */
1598
1599         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1600                 extended_oplock_granted = True;
1601         }
1602
1603         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1604                 extended_oplock_granted = True;
1605         }
1606
1607         /* Realloc the size of parameters and data we will return */
1608         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1609                 /* Extended response is 32 more byyes. */
1610                 param_len = 101;
1611         } else {
1612                 param_len = 69;
1613         }
1614         params = nttrans_realloc(ppparams, param_len);
1615         if(params == NULL) {
1616                 return ERROR_DOS(ERRDOS,ERRnomem);
1617         }
1618
1619         p = params;
1620         if (extended_oplock_granted) {
1621                 if (flags & REQUEST_BATCH_OPLOCK) {
1622                         SCVAL(p,0, BATCH_OPLOCK_RETURN);
1623                 } else {
1624                         SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
1625                 }
1626         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1627                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
1628         } else {
1629                 SCVAL(p,0,NO_OPLOCK_RETURN);
1630         }
1631
1632         p += 2;
1633         SSVAL(p,0,fsp->fnum);
1634         p += 2;
1635         if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
1636                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1637         } else {
1638                 SIVAL(p,0,info);
1639         }
1640         p += 8;
1641
1642         /* Create time. */
1643         c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1644         a_timespec = get_atimespec(&sbuf);
1645         m_timespec = get_mtimespec(&sbuf);
1646
1647         if (lp_dos_filetime_resolution(SNUM(conn))) {
1648                 dos_filetime_timespec(&c_timespec);
1649                 dos_filetime_timespec(&a_timespec);
1650                 dos_filetime_timespec(&m_timespec);
1651         }
1652
1653         put_long_date_timespec(p, c_timespec); /* create time. */
1654         p += 8;
1655         put_long_date_timespec(p, a_timespec); /* access time */
1656         p += 8;
1657         put_long_date_timespec(p, m_timespec); /* write time */
1658         p += 8;
1659         put_long_date_timespec(p, m_timespec); /* change time */
1660         p += 8;
1661         SIVAL(p,0,fattr); /* File Attributes. */
1662         p += 4;
1663         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1664         p += 8;
1665         SOFF_T(p,0,file_len);
1666         p += 8;
1667         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1668                 SSVAL(p,2,0x7);
1669         }
1670         p += 4;
1671         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1672
1673         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1674                 uint32 perms = 0;
1675                 p += 25;
1676                 if (fsp->is_directory || can_write_to_file(conn, fname, &sbuf)) {
1677                         perms = FILE_GENERIC_ALL;
1678                 } else {
1679                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
1680                 }
1681                 SIVAL(p,0,perms);
1682         }
1683
1684         DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
1685
1686         /* Send the required number of replies */
1687         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, param_len, *ppdata, 0);
1688
1689         return -1;
1690 }
1691
1692 /****************************************************************************
1693  Reply to a NT CANCEL request.
1694  conn POINTER CAN BE NULL HERE !
1695 ****************************************************************************/
1696
1697 int reply_ntcancel(connection_struct *conn,
1698                    char *inbuf,char *outbuf,int length,int bufsize)
1699 {
1700         /*
1701          * Go through and cancel any pending change notifies.
1702          */
1703
1704         int mid = SVAL(inbuf,smb_mid);
1705         START_PROFILE(SMBntcancel);
1706         remove_pending_change_notify_requests_by_mid(mid);
1707         remove_pending_lock_requests_by_mid(mid);
1708         srv_cancel_sign_response(mid);
1709
1710         DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", mid));
1711
1712         END_PROFILE(SMBntcancel);
1713         return(-1);
1714 }
1715
1716 /****************************************************************************
1717  Copy a file.
1718 ****************************************************************************/
1719
1720 static NTSTATUS copy_internals(connection_struct *conn,
1721                                struct smb_request *req,
1722                                char *oldname, char *newname, uint32 attrs)
1723 {
1724         SMB_STRUCT_STAT sbuf1, sbuf2;
1725         pstring last_component_oldname;
1726         pstring last_component_newname;
1727         files_struct *fsp1,*fsp2;
1728         uint32 fattr;
1729         int info;
1730         SMB_OFF_T ret=-1;
1731         NTSTATUS status = NT_STATUS_OK;
1732
1733         ZERO_STRUCT(sbuf1);
1734         ZERO_STRUCT(sbuf2);
1735
1736         if (!CAN_WRITE(conn)) {
1737                 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1738         }
1739
1740         status = unix_convert(conn, oldname, False, last_component_oldname, &sbuf1);
1741         if (!NT_STATUS_IS_OK(status)) {
1742                 return status;
1743         }
1744
1745         status = check_name(conn, oldname);
1746         if (!NT_STATUS_IS_OK(status)) {
1747                 return status;
1748         }
1749
1750         /* Source must already exist. */
1751         if (!VALID_STAT(sbuf1)) {
1752                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1753         }
1754         /* Ensure attributes match. */
1755         fattr = dos_mode(conn,oldname,&sbuf1);
1756         if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1757                 return NT_STATUS_NO_SUCH_FILE;
1758         }
1759
1760         status = unix_convert(conn, newname, False, last_component_newname, &sbuf2);
1761         if (!NT_STATUS_IS_OK(status)) {
1762                 return status;
1763         }
1764
1765         status = check_name(conn, newname);
1766         if (!NT_STATUS_IS_OK(status)) {
1767                 return status;
1768         }
1769
1770         /* Disallow if newname already exists. */
1771         if (VALID_STAT(sbuf2)) {
1772                 return NT_STATUS_OBJECT_NAME_COLLISION;
1773         }
1774
1775         /* No links from a directory. */
1776         if (S_ISDIR(sbuf1.st_mode)) {
1777                 return NT_STATUS_FILE_IS_A_DIRECTORY;
1778         }
1779
1780         /* Ensure this is within the share. */
1781         status = check_reduced_name(conn, oldname);
1782         if (!NT_STATUS_IS_OK(status)) {
1783                 return status;
1784         }
1785
1786         DEBUG(10,("copy_internals: doing file copy %s to %s\n", oldname, newname));
1787
1788         status = open_file_ntcreate(conn, req, oldname, &sbuf1,
1789                         FILE_READ_DATA, /* Read-only. */
1790                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1791                         FILE_OPEN,
1792                         0, /* No create options. */
1793                         FILE_ATTRIBUTE_NORMAL,
1794                         NO_OPLOCK,
1795                         &info, &fsp1);
1796
1797         if (!NT_STATUS_IS_OK(status)) {
1798                 return status;
1799         }
1800
1801         status = open_file_ntcreate(conn, req, newname, &sbuf2,
1802                         FILE_WRITE_DATA, /* Read-only. */
1803                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1804                         FILE_CREATE,
1805                         0, /* No create options. */
1806                         fattr,
1807                         NO_OPLOCK,
1808                         &info, &fsp2);
1809
1810         if (!NT_STATUS_IS_OK(status)) {
1811                 close_file(fsp1,ERROR_CLOSE);
1812                 return status;
1813         }
1814
1815         if (sbuf1.st_size) {
1816                 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1817         }
1818
1819         /*
1820          * As we are opening fsp1 read-only we only expect
1821          * an error on close on fsp2 if we are out of space.
1822          * Thus we don't look at the error return from the
1823          * close of fsp1.
1824          */
1825         close_file(fsp1,NORMAL_CLOSE);
1826
1827         /* Ensure the modtime is set correctly on the destination file. */
1828         fsp_set_pending_modtime(fsp2, get_mtimespec(&sbuf1));
1829
1830         status = close_file(fsp2,NORMAL_CLOSE);
1831
1832         /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1833            creates the file. This isn't the correct thing to do in the copy
1834            case. JRA */
1835         file_set_dosmode(conn, newname, fattr, &sbuf2,
1836                          parent_dirname(newname));
1837
1838         if (ret < (SMB_OFF_T)sbuf1.st_size) {
1839                 return NT_STATUS_DISK_FULL;
1840         }
1841
1842         if (!NT_STATUS_IS_OK(status)) {
1843                 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1844                         nt_errstr(status), oldname, newname));
1845         }
1846         return status;
1847 }
1848
1849 /****************************************************************************
1850  Reply to a NT rename request.
1851 ****************************************************************************/
1852
1853 int reply_ntrename(connection_struct *conn,
1854                    char *inbuf,char *outbuf,int length,int bufsize)
1855 {
1856         int outsize = 0;
1857         pstring oldname;
1858         pstring newname;
1859         char *p;
1860         NTSTATUS status;
1861         BOOL src_has_wcard = False;
1862         BOOL dest_has_wcard = False;
1863         uint32 attrs = SVAL(inbuf,smb_vwv0);
1864         uint16 rename_type = SVAL(inbuf,smb_vwv1);
1865         struct smb_request req;
1866
1867         START_PROFILE(SMBntrename);
1868
1869         init_smb_request(&req, (uint8 *)inbuf);
1870
1871         p = smb_buf(inbuf) + 1;
1872         p += srvstr_get_path_wcard(inbuf, SVAL(inbuf,smb_flg2), oldname, p,
1873                                    sizeof(oldname), 0, STR_TERMINATE, &status,
1874                                    &src_has_wcard);
1875         if (!NT_STATUS_IS_OK(status)) {
1876                 END_PROFILE(SMBntrename);
1877                 return ERROR_NT(status);
1878         }
1879
1880         if( is_ntfs_stream_name(oldname)) {
1881                 /* Can't rename a stream. */
1882                 END_PROFILE(SMBntrename);
1883                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1884         }
1885
1886         if (ms_has_wild(oldname)) {
1887                 END_PROFILE(SMBntrename);
1888                 return ERROR_NT(NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1889         }
1890
1891         p++;
1892         p += srvstr_get_path_wcard(inbuf, SVAL(inbuf,smb_flg2), newname, p,
1893                                    sizeof(newname), 0, STR_TERMINATE, &status,
1894                                    &dest_has_wcard);
1895         if (!NT_STATUS_IS_OK(status)) {
1896                 END_PROFILE(SMBntrename);
1897                 return ERROR_NT(status);
1898         }
1899
1900         status = resolve_dfspath(conn, SVAL(inbuf,smb_flg2) & FLAGS2_DFS_PATHNAMES, oldname);
1901         if (!NT_STATUS_IS_OK(status)) {
1902                 END_PROFILE(SMBntrename);
1903                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1904                         return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED, ERRSRV, ERRbadpath);
1905                 }
1906                 return ERROR_NT(status);
1907         }
1908
1909         status = resolve_dfspath(conn, SVAL(inbuf,smb_flg2) & FLAGS2_DFS_PATHNAMES, newname);
1910         if (!NT_STATUS_IS_OK(status)) {
1911                 END_PROFILE(SMBntrename);
1912                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1913                         return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED, ERRSRV, ERRbadpath);
1914                 }
1915                 return ERROR_NT(status);
1916         }
1917
1918         DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1919
1920         switch(rename_type) {
1921                 case RENAME_FLAG_RENAME:
1922                         status = rename_internals(conn, &req, oldname, newname,
1923                                                   attrs, False, src_has_wcard,
1924                                                   dest_has_wcard);
1925                         break;
1926                 case RENAME_FLAG_HARD_LINK:
1927                         if (src_has_wcard || dest_has_wcard) {
1928                                 /* No wildcards. */
1929                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1930                         } else {
1931                                 status = hardlink_internals(conn, oldname, newname);
1932                         }
1933                         break;
1934                 case RENAME_FLAG_COPY:
1935                         if (src_has_wcard || dest_has_wcard) {
1936                                 /* No wildcards. */
1937                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1938                         } else {
1939                                 status = copy_internals(conn, &req, oldname,
1940                                                         newname, attrs);
1941                         }
1942                         break;
1943                 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1944                         status = NT_STATUS_INVALID_PARAMETER;
1945                         break;
1946                 default:
1947                         status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1948                         break;
1949         }
1950
1951         if (!NT_STATUS_IS_OK(status)) {
1952                 END_PROFILE(SMBntrename);
1953                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1954                         /* We have re-scheduled this call. */
1955                         return -1;
1956                 }
1957                 return ERROR_NT(status);
1958         }
1959
1960         outsize = set_message(inbuf,outbuf,0,0,False);
1961
1962         END_PROFILE(SMBntrename);
1963         return(outsize);
1964 }
1965
1966 /****************************************************************************
1967  Reply to a notify change - queue the request and
1968  don't allow a directory to be opened.
1969 ****************************************************************************/
1970
1971 static int call_nt_transact_notify_change(connection_struct *conn, char *inbuf,
1972                                           char *outbuf, int length,
1973                                           int bufsize,
1974                                           uint16 **ppsetup, uint32 setup_count,
1975                                           char **ppparams,
1976                                           uint32 parameter_count,
1977                                           char **ppdata, uint32 data_count,
1978                                           uint32 max_data_count,
1979                                           uint32 max_param_count)
1980 {
1981         uint16 *setup = *ppsetup;
1982         files_struct *fsp;
1983         uint32 filter;
1984         NTSTATUS status;
1985         BOOL recursive;
1986
1987         if(setup_count < 6) {
1988                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1989         }
1990
1991         fsp = file_fsp((char *)setup,4);
1992         filter = IVAL(setup, 0);
1993         recursive = (SVAL(setup, 6) != 0) ? True : False;
1994
1995         DEBUG(3,("call_nt_transact_notify_change\n"));
1996
1997         if(!fsp) {
1998                 return ERROR_DOS(ERRDOS,ERRbadfid);
1999         }
2000
2001         {
2002                 char *filter_string;
2003
2004                 if (!(filter_string = notify_filter_string(NULL, filter))) {
2005                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2006                 }
2007
2008                 DEBUG(3,("call_nt_transact_notify_change: notify change "
2009                          "called on %s, filter = %s, recursive = %d\n",
2010                          fsp->fsp_name, filter_string, recursive));
2011
2012                 TALLOC_FREE(filter_string);
2013         }
2014
2015         if((!fsp->is_directory) || (conn != fsp->conn)) {
2016                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2017         }
2018
2019         if (fsp->notify == NULL) {
2020
2021                 status = change_notify_create(fsp, filter, recursive);
2022
2023                 if (!NT_STATUS_IS_OK(status)) {
2024                         DEBUG(10, ("change_notify_create returned %s\n",
2025                                    nt_errstr(status)));
2026                         return ERROR_NT(status);
2027                 }
2028         }
2029
2030         if (fsp->notify->num_changes != 0) {
2031
2032                 /*
2033                  * We've got changes pending, respond immediately
2034                  */
2035
2036                 /*
2037                  * TODO: write a torture test to check the filtering behaviour
2038                  * here.
2039                  */
2040
2041                 change_notify_reply(inbuf, fsp->notify);
2042
2043                 /*
2044                  * change_notify_reply() above has independently sent its
2045                  * results
2046                  */
2047                 return -1;
2048         }
2049
2050         /*
2051          * No changes pending, queue the request
2052          */
2053
2054         status = change_notify_add_request(inbuf, filter, recursive, fsp);
2055         if (!NT_STATUS_IS_OK(status)) {
2056                 return ERROR_NT(status);
2057         }
2058
2059         return -1;
2060 }
2061
2062 /****************************************************************************
2063  Reply to an NT transact rename command.
2064 ****************************************************************************/
2065
2066 static int call_nt_transact_rename(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2067                                   uint16 **ppsetup, uint32 setup_count,
2068                                   char **ppparams, uint32 parameter_count,
2069                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2070 {
2071         char *params = *ppparams;
2072         pstring new_name;
2073         files_struct *fsp = NULL;
2074         BOOL replace_if_exists = False;
2075         BOOL dest_has_wcard = False;
2076         NTSTATUS status;
2077         struct smb_request req;
2078
2079         init_smb_request(&req, (uint8 *)inbuf);
2080
2081         if(parameter_count < 5) {
2082                 return ERROR_DOS(ERRDOS,ERRbadfunc);
2083         }
2084
2085         fsp = file_fsp(params, 0);
2086         replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
2087         CHECK_FSP(fsp, conn);
2088         srvstr_get_path_wcard(inbuf, SVAL(inbuf,smb_flg2), new_name, params+4,
2089                               sizeof(new_name), parameter_count - 4,
2090                               STR_TERMINATE, &status, &dest_has_wcard);
2091         if (!NT_STATUS_IS_OK(status)) {
2092                 return ERROR_NT(status);
2093         }
2094
2095         status = rename_internals(conn, &req, fsp->fsp_name,
2096                                   new_name, 0, replace_if_exists, False, dest_has_wcard);
2097
2098         if (!NT_STATUS_IS_OK(status)) {
2099                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
2100                         /* We have re-scheduled this call. */
2101                         return -1;
2102                 }
2103                 return ERROR_NT(status);
2104         }
2105
2106         /*
2107          * Rename was successful.
2108          */
2109         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2110
2111         DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
2112                  fsp->fsp_name, new_name));
2113
2114         return -1;
2115 }
2116
2117 /******************************************************************************
2118  Fake up a completely empty SD.
2119 *******************************************************************************/
2120
2121 static size_t get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
2122 {
2123         size_t sd_size;
2124
2125         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
2126         if(!*ppsd) {
2127                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
2128                 sd_size = 0;
2129         }
2130
2131         return sd_size;
2132 }
2133
2134 /****************************************************************************
2135  Reply to query a security descriptor.
2136 ****************************************************************************/
2137
2138 static int call_nt_transact_query_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2139                                   uint16 **ppsetup, uint32 setup_count,
2140                                   char **ppparams, uint32 parameter_count,
2141                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2142 {
2143         char *params = *ppparams;
2144         char *data = *ppdata;
2145         prs_struct pd;
2146         SEC_DESC *psd = NULL;
2147         size_t sd_size;
2148         uint32 security_info_wanted;
2149         TALLOC_CTX *mem_ctx;
2150         files_struct *fsp = NULL;
2151
2152         if(parameter_count < 8) {
2153                 return ERROR_DOS(ERRDOS,ERRbadfunc);
2154         }
2155
2156         fsp = file_fsp(params,0);
2157         if(!fsp) {
2158                 return ERROR_DOS(ERRDOS,ERRbadfid);
2159         }
2160
2161         security_info_wanted = IVAL(params,4);
2162
2163         DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
2164                         (unsigned int)security_info_wanted ));
2165
2166         params = nttrans_realloc(ppparams, 4);
2167         if(params == NULL) {
2168                 return ERROR_DOS(ERRDOS,ERRnomem);
2169         }
2170
2171         if ((mem_ctx = talloc_init("call_nt_transact_query_security_desc")) == NULL) {
2172                 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
2173                 return ERROR_DOS(ERRDOS,ERRnomem);
2174         }
2175
2176         /*
2177          * Get the permissions to return.
2178          */
2179
2180         if (!lp_nt_acl_support(SNUM(conn))) {
2181                 sd_size = get_null_nt_acl(mem_ctx, &psd);
2182         } else {
2183                 sd_size = SMB_VFS_FGET_NT_ACL(fsp, fsp->fh->fd, security_info_wanted, &psd);
2184         }
2185
2186         if (sd_size == 0) {
2187                 talloc_destroy(mem_ctx);
2188                 return(UNIXERROR(ERRDOS,ERRnoaccess));
2189         }
2190
2191         DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
2192
2193         SIVAL(params,0,(uint32)sd_size);
2194
2195         if(max_data_count < sd_size) {
2196
2197                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_BUFFER_TOO_SMALL,
2198                                 params, 4, *ppdata, 0);
2199                 talloc_destroy(mem_ctx);
2200                 return -1;
2201         }
2202
2203         /*
2204          * Allocate the data we will point this at.
2205          */
2206
2207         data = nttrans_realloc(ppdata, sd_size);
2208         if(data == NULL) {
2209                 talloc_destroy(mem_ctx);
2210                 return ERROR_DOS(ERRDOS,ERRnomem);
2211         }
2212
2213         /*
2214          * Init the parse struct we will marshall into.
2215          */
2216
2217         prs_init(&pd, 0, mem_ctx, MARSHALL);
2218
2219         /*
2220          * Setup the prs_struct to point at the memory we just
2221          * allocated.
2222          */
2223
2224         prs_give_memory( &pd, data, (uint32)sd_size, False);
2225
2226         /*
2227          * Finally, linearize into the outgoing buffer.
2228          */
2229
2230         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
2231                 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
2232 security descriptor.\n"));
2233                 /*
2234                  * Return access denied for want of a better error message..
2235                  */
2236                 talloc_destroy(mem_ctx);
2237                 return(UNIXERROR(ERRDOS,ERRnoaccess));
2238         }
2239
2240         /*
2241          * Now we can delete the security descriptor.
2242          */
2243
2244         talloc_destroy(mem_ctx);
2245
2246         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 4, data,
2247                         (int)sd_size);
2248         return -1;
2249 }
2250
2251 /****************************************************************************
2252  Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2253 ****************************************************************************/
2254
2255 static int call_nt_transact_set_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2256                                   uint16 **ppsetup, uint32 setup_count,
2257                                   char **ppparams, uint32 parameter_count,
2258                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2259 {
2260         char *params= *ppparams;
2261         char *data = *ppdata;
2262         files_struct *fsp = NULL;
2263         uint32 security_info_sent = 0;
2264         NTSTATUS nt_status;
2265
2266         if(parameter_count < 8) {
2267                 return ERROR_DOS(ERRDOS,ERRbadfunc);
2268         }
2269
2270         if((fsp = file_fsp(params,0)) == NULL) {
2271                 return ERROR_DOS(ERRDOS,ERRbadfid);
2272         }
2273
2274         if(!lp_nt_acl_support(SNUM(conn))) {
2275                 goto done;
2276         }
2277
2278         security_info_sent = IVAL(params,4);
2279
2280         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
2281                 (unsigned int)security_info_sent ));
2282
2283         if (data_count == 0) {
2284                 return ERROR_DOS(ERRDOS, ERRnoaccess);
2285         }
2286
2287         if (!NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, data_count, security_info_sent))) {
2288                 return ERROR_NT(nt_status);
2289         }
2290
2291   done:
2292
2293         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2294         return -1;
2295 }
2296
2297 /****************************************************************************
2298  Reply to NT IOCTL
2299 ****************************************************************************/
2300
2301 static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2302                                   uint16 **ppsetup, uint32 setup_count,
2303                                   char **ppparams, uint32 parameter_count,
2304                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2305 {
2306         uint32 function;
2307         uint16 fidnum;
2308         files_struct *fsp;
2309         uint8 isFSctl;
2310         uint8 compfilter;
2311         static BOOL logged_message;
2312         char *pdata = *ppdata;
2313
2314         if (setup_count != 8) {
2315                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2316                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2317         }
2318
2319         function = IVAL(*ppsetup, 0);
2320         fidnum = SVAL(*ppsetup, 4);
2321         isFSctl = CVAL(*ppsetup, 6);
2322         compfilter = CVAL(*ppsetup, 7);
2323
2324         DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2325                  function, fidnum, isFSctl, compfilter));
2326
2327         fsp=file_fsp((char *)*ppsetup, 4);
2328         /* this check is done in each implemented function case for now
2329            because I don't want to break anything... --metze
2330         FSP_BELONGS_CONN(fsp,conn);*/
2331
2332         switch (function) {
2333         case FSCTL_SET_SPARSE:
2334                 /* pretend this succeeded - tho strictly we should
2335                    mark the file sparse (if the local fs supports it)
2336                    so we can know if we need to pre-allocate or not */
2337
2338                 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2339                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL,
2340                                 0);
2341                 return -1;
2342
2343         case FSCTL_CREATE_OR_GET_OBJECT_ID:
2344         {
2345                 unsigned char objid[16];
2346
2347                 /* This should return the object-id on this file.
2348                  * I think I'll make this be the inode+dev. JRA.
2349                  */
2350
2351                 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
2352
2353                 data_count = 64;
2354                 pdata = nttrans_realloc(ppdata, data_count);
2355                 if (pdata == NULL) {
2356                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2357                 }
2358                 push_file_id_16(pdata, &fsp->file_id);
2359                 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
2360                 push_file_id_16(pdata+32, &fsp->file_id);
2361                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, pdata, data_count);
2362                 return -1;
2363         }
2364
2365         case FSCTL_GET_REPARSE_POINT:
2366                 /* pretend this fail - my winXP does it like this
2367                  * --metze
2368                  */
2369
2370                 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2371                 return ERROR_NT(NT_STATUS_NOT_A_REPARSE_POINT);
2372
2373         case FSCTL_SET_REPARSE_POINT:
2374                 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2375                  * --metze
2376                  */
2377
2378                 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2379                 return ERROR_NT(NT_STATUS_NOT_A_REPARSE_POINT);
2380
2381         case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2382         {
2383                 /*
2384                  * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2385                  * and return their volume names.  If max_data_count is 16, then it is just
2386                  * asking for the number of volumes and length of the combined names.
2387                  *
2388                  * pdata is the data allocated by our caller, but that uses
2389                  * total_data_count (which is 0 in our case) rather than max_data_count.
2390                  * Allocate the correct amount and return the pointer to let
2391                  * it be deallocated when we return.
2392                  */
2393                 SHADOW_COPY_DATA *shadow_data = NULL;
2394                 TALLOC_CTX *shadow_mem_ctx = NULL;
2395                 BOOL labels = False;
2396                 uint32 labels_data_count = 0;
2397                 uint32 i;
2398                 char *cur_pdata;
2399
2400                 FSP_BELONGS_CONN(fsp,conn);
2401
2402                 if (max_data_count < 16) {
2403                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2404                                 max_data_count));
2405                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2406                 }
2407
2408                 if (max_data_count > 16) {
2409                         labels = True;
2410                 }
2411
2412                 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2413                 if (shadow_mem_ctx == NULL) {
2414                         DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2415                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2416                 }
2417
2418                 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2419                 if (shadow_data == NULL) {
2420                         DEBUG(0,("TALLOC_ZERO() failed!\n"));
2421                         talloc_destroy(shadow_mem_ctx);
2422                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2423                 }
2424
2425                 shadow_data->mem_ctx = shadow_mem_ctx;
2426
2427                 /*
2428                  * Call the VFS routine to actually do the work.
2429                  */
2430                 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2431                         talloc_destroy(shadow_data->mem_ctx);
2432                         if (errno == ENOSYS) {
2433                                 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2434                                         conn->connectpath));
2435                                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2436                         } else {
2437                                 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2438                                         conn->connectpath));
2439                                 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
2440                         }
2441                 }
2442
2443                 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2444
2445                 if (!labels) {
2446                         data_count = 16;
2447                 } else {
2448                         data_count = 12+labels_data_count+4;
2449                 }
2450
2451                 if (max_data_count<data_count) {
2452                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2453                                 max_data_count,data_count));
2454                         talloc_destroy(shadow_data->mem_ctx);
2455                         return ERROR_NT(NT_STATUS_BUFFER_TOO_SMALL);
2456                 }
2457
2458                 pdata = nttrans_realloc(ppdata, data_count);
2459                 if (pdata == NULL) {
2460                         talloc_destroy(shadow_data->mem_ctx);
2461                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2462                 }
2463
2464                 cur_pdata = pdata;
2465
2466                 /* num_volumes 4 bytes */
2467                 SIVAL(pdata,0,shadow_data->num_volumes);
2468
2469                 if (labels) {
2470                         /* num_labels 4 bytes */
2471                         SIVAL(pdata,4,shadow_data->num_volumes);
2472                 }
2473
2474                 /* needed_data_count 4 bytes */
2475                 SIVAL(pdata,8,labels_data_count);
2476
2477                 cur_pdata+=12;
2478
2479                 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2480                         shadow_data->num_volumes,fsp->fsp_name));
2481                 if (labels && shadow_data->labels) {
2482                         for (i=0;i<shadow_data->num_volumes;i++) {
2483                                 srvstr_push(outbuf, cur_pdata, shadow_data->labels[i], 2*sizeof(SHADOW_COPY_LABEL), STR_UNICODE|STR_TERMINATE);
2484                                 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2485                                 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2486                         }
2487                 }
2488
2489                 talloc_destroy(shadow_data->mem_ctx);
2490
2491                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0,
2492                                 pdata, data_count);
2493
2494                 return -1;
2495         }
2496
2497         case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2498         {
2499                 /* pretend this succeeded -
2500                  *
2501                  * we have to send back a list with all files owned by this SID
2502                  *
2503                  * but I have to check that --metze
2504                  */
2505                 DOM_SID sid;
2506                 uid_t uid;
2507                 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2508
2509                 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2510
2511                 FSP_BELONGS_CONN(fsp,conn);
2512
2513                 /* unknown 4 bytes: this is not the length of the sid :-(  */
2514                 /*unknown = IVAL(pdata,0);*/
2515
2516                 sid_parse(pdata+4,sid_len,&sid);
2517                 DEBUGADD(10,("for SID: %s\n",sid_string_static(&sid)));
2518
2519                 if (!sid_to_uid(&sid, &uid)) {
2520                         DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2521                                 sid_string_static(&sid),(unsigned long)sid_len));
2522                         uid = (-1);
2523                 }
2524
2525                 /* we can take a look at the find source :-)
2526                  *
2527                  * find ./ -uid $uid  -name '*'   is what we need here
2528                  *
2529                  *
2530                  * and send 4bytes len and then NULL terminated unicode strings
2531                  * for each file
2532                  *
2533                  * but I don't know how to deal with the paged results
2534                  * (maybe we can hang the result anywhere in the fsp struct)
2535                  *
2536                  * we don't send all files at once
2537                  * and at the next we should *not* start from the beginning,
2538                  * so we have to cache the result
2539                  *
2540                  * --metze
2541                  */
2542
2543                 /* this works for now... */
2544                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0,
2545                                 NULL, 0);
2546                 return -1;
2547         }
2548         default:
2549                 if (!logged_message) {
2550                         logged_message = True; /* Only print this once... */
2551                         DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2552                                  function));
2553                 }
2554         }
2555
2556         return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2557 }
2558
2559
2560 #ifdef HAVE_SYS_QUOTAS
2561 /****************************************************************************
2562  Reply to get user quota
2563 ****************************************************************************/
2564
2565 static int call_nt_transact_get_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2566                                   uint16 **ppsetup, uint32 setup_count,
2567                                   char **ppparams, uint32 parameter_count,
2568                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2569 {
2570         NTSTATUS nt_status = NT_STATUS_OK;
2571         char *params = *ppparams;
2572         char *pdata = *ppdata;
2573         char *entry;
2574         int data_len=0,param_len=0;
2575         int qt_len=0;
2576         int entry_len = 0;
2577         files_struct *fsp = NULL;
2578         uint16 level = 0;
2579         size_t sid_len;
2580         DOM_SID sid;
2581         BOOL start_enum = True;
2582         SMB_NTQUOTA_STRUCT qt;
2583         SMB_NTQUOTA_LIST *tmp_list;
2584         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2585
2586         ZERO_STRUCT(qt);
2587
2588         /* access check */
2589         if (current_user.ut.uid != 0) {
2590                 DEBUG(1,("get_user_quota: access_denied service [%s] user [%s]\n",
2591                         lp_servicename(SNUM(conn)),conn->user));
2592                 return ERROR_DOS(ERRDOS,ERRnoaccess);
2593         }
2594
2595         /*
2596          * Ensure minimum number of parameters sent.
2597          */
2598
2599         if (parameter_count < 4) {
2600                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2601                 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2602         }
2603
2604         /* maybe we can check the quota_fnum */
2605         fsp = file_fsp(params,0);
2606         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2607                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2608                 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2609         }
2610
2611         /* the NULL pointer checking for fsp->fake_file_handle->pd
2612          * is done by CHECK_NTQUOTA_HANDLE_OK()
2613          */
2614         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
2615
2616         level = SVAL(params,2);
2617
2618         /* unknown 12 bytes leading in params */
2619
2620         switch (level) {
2621                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2622                         /* seems that we should continue with the enum here --metze */
2623
2624                         if (qt_handle->quota_list!=NULL &&
2625                             qt_handle->tmp_list==NULL) {
2626
2627                                 /* free the list */
2628                                 free_ntquota_list(&(qt_handle->quota_list));
2629
2630                                 /* Realloc the size of parameters and data we will return */
2631                                 param_len = 4;
2632                                 params = nttrans_realloc(ppparams, param_len);
2633                                 if(params == NULL) {
2634                                         return ERROR_DOS(ERRDOS,ERRnomem);
2635                                 }
2636
2637                                 data_len = 0;
2638                                 SIVAL(params,0,data_len);
2639
2640                                 break;
2641                         }
2642
2643                         start_enum = False;
2644
2645                 case TRANSACT_GET_USER_QUOTA_LIST_START:
2646
2647                         if (qt_handle->quota_list==NULL &&
2648                                 qt_handle->tmp_list==NULL) {
2649                                 start_enum = True;
2650                         }
2651
2652                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0)
2653                                 return ERROR_DOS(ERRSRV,ERRerror);
2654
2655                         /* Realloc the size of parameters and data we will return */
2656                         param_len = 4;
2657                         params = nttrans_realloc(ppparams, param_len);
2658                         if(params == NULL) {
2659                                 return ERROR_DOS(ERRDOS,ERRnomem);
2660                         }
2661
2662                         /* we should not trust the value in max_data_count*/
2663                         max_data_count = MIN(max_data_count,2048);
2664
2665                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2666                         if(pdata == NULL) {
2667                                 return ERROR_DOS(ERRDOS,ERRnomem);
2668                         }
2669
2670                         entry = pdata;
2671
2672                         /* set params Size of returned Quota Data 4 bytes*/
2673                         /* but set it later when we know it */
2674
2675                         /* for each entry push the data */
2676
2677                         if (start_enum) {
2678                                 qt_handle->tmp_list = qt_handle->quota_list;
2679                         }
2680
2681                         tmp_list = qt_handle->tmp_list;
2682
2683                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2684                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2685
2686                                 sid_len = sid_size(&tmp_list->quotas->sid);
2687                                 entry_len = 40 + sid_len;
2688
2689                                 /* nextoffset entry 4 bytes */
2690                                 SIVAL(entry,0,entry_len);
2691
2692                                 /* then the len of the SID 4 bytes */
2693                                 SIVAL(entry,4,sid_len);
2694
2695                                 /* unknown data 8 bytes SMB_BIG_UINT */
2696                                 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2697
2698                                 /* the used disk space 8 bytes SMB_BIG_UINT */
2699                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2700
2701                                 /* the soft quotas 8 bytes SMB_BIG_UINT */
2702                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2703
2704                                 /* the hard quotas 8 bytes SMB_BIG_UINT */
2705                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2706
2707                                 /* and now the SID */
2708                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2709                         }
2710
2711                         qt_handle->tmp_list = tmp_list;
2712
2713                         /* overwrite the offset of the last entry */
2714                         SIVAL(entry-entry_len,0,0);
2715
2716                         data_len = 4+qt_len;
2717                         /* overwrite the params quota_data_len */
2718                         SIVAL(params,0,data_len);
2719
2720                         break;
2721
2722                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2723
2724                         /* unknown 4 bytes IVAL(pdata,0) */
2725
2726                         if (data_count < 8) {
2727                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2728                                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2729                         }
2730
2731                         sid_len = IVAL(pdata,4);
2732                         /* Ensure this is less than 1mb. */
2733                         if (sid_len > (1024*1024)) {
2734                                 return ERROR_DOS(ERRDOS,ERRnomem);
2735                         }
2736
2737                         if (data_count < 8+sid_len) {
2738                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2739                                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2740                         }
2741
2742                         data_len = 4+40+sid_len;
2743
2744                         if (max_data_count < data_len) {
2745                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2746                                         max_data_count, data_len));
2747                                 param_len = 4;
2748                                 SIVAL(params,0,data_len);
2749                                 data_len = 0;
2750                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2751                                 break;
2752                         }
2753
2754                         sid_parse(pdata+8,sid_len,&sid);
2755
2756                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2757                                 ZERO_STRUCT(qt);
2758                                 /*
2759                                  * we have to return zero's in all fields
2760                                  * instead of returning an error here
2761                                  * --metze
2762                                  */
2763                         }
2764
2765                         /* Realloc the size of parameters and data we will return */
2766                         param_len = 4;
2767                         params = nttrans_realloc(ppparams, param_len);
2768                         if(params == NULL) {
2769                                 return ERROR_DOS(ERRDOS,ERRnomem);
2770                         }
2771
2772                         pdata = nttrans_realloc(ppdata, data_len);
2773                         if(pdata == NULL) {
2774                                 return ERROR_DOS(ERRDOS,ERRnomem);
2775                         }
2776
2777                         entry = pdata;
2778
2779                         /* set params Size of returned Quota Data 4 bytes*/
2780                         SIVAL(params,0,data_len);
2781
2782                         /* nextoffset entry 4 bytes */
2783                         SIVAL(entry,0,0);
2784
2785                         /* then the len of the SID 4 bytes */
2786                         SIVAL(entry,4,sid_len);
2787
2788                         /* unknown data 8 bytes SMB_BIG_UINT */
2789                         SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
2790
2791                         /* the used disk space 8 bytes SMB_BIG_UINT */
2792                         SBIG_UINT(entry,16,qt.usedspace);
2793
2794                         /* the soft quotas 8 bytes SMB_BIG_UINT */
2795                         SBIG_UINT(entry,24,qt.softlim);
2796
2797                         /* the hard quotas 8 bytes SMB_BIG_UINT */
2798                         SBIG_UINT(entry,32,qt.hardlim);
2799
2800                         /* and now the SID */
2801                         sid_linearize(entry+40, sid_len, &sid);
2802
2803                         break;
2804
2805                 default:
2806                         DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2807                         return ERROR_DOS(ERRSRV,ERRerror);
2808                         break;
2809         }
2810
2811         send_nt_replies(inbuf, outbuf, bufsize, nt_status, params, param_len,
2812                         pdata, data_len);
2813
2814         return -1;
2815 }
2816
2817 /****************************************************************************
2818  Reply to set user quota
2819 ****************************************************************************/
2820
2821 static int call_nt_transact_set_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2822                                   uint16 **ppsetup, uint32 setup_count,
2823                                   char **ppparams, uint32 parameter_count,
2824                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2825 {
2826         char *params = *ppparams;
2827         char *pdata = *ppdata;
2828         int data_len=0,param_len=0;
2829         SMB_NTQUOTA_STRUCT qt;
2830         size_t sid_len;
2831         DOM_SID sid;
2832         files_struct *fsp = NULL;
2833
2834         ZERO_STRUCT(qt);
2835
2836         /* access check */
2837         if (current_user.ut.uid != 0) {
2838                 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
2839                         lp_servicename(SNUM(conn)),conn->user));
2840                 return ERROR_DOS(ERRDOS,ERRnoaccess);
2841         }
2842
2843         /*
2844          * Ensure minimum number of parameters sent.
2845          */
2846
2847         if (parameter_count < 2) {
2848                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2849                 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2850         }
2851
2852         /* maybe we can check the quota_fnum */
2853         fsp = file_fsp(params,0);
2854         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2855                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2856                 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2857         }
2858
2859         if (data_count < 40) {
2860                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2861                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2862         }
2863
2864         /* offset to next quota record.
2865          * 4 bytes IVAL(pdata,0)
2866          * unused here...
2867          */
2868
2869         /* sid len */
2870         sid_len = IVAL(pdata,4);
2871
2872         if (data_count < 40+sid_len) {
2873                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2874                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2875         }
2876
2877         /* unknown 8 bytes in pdata
2878          * maybe its the change time in NTTIME
2879          */
2880
2881         /* the used space 8 bytes (SMB_BIG_UINT)*/
2882         qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
2883 #ifdef LARGE_SMB_OFF_T
2884         qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
2885 #else /* LARGE_SMB_OFF_T */
2886         if ((IVAL(pdata,20) != 0)&&
2887                 ((qt.usedspace != 0xFFFFFFFF)||
2888                 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2889                 /* more than 32 bits? */
2890                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2891         }
2892 #endif /* LARGE_SMB_OFF_T */
2893
2894         /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
2895         qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
2896 #ifdef LARGE_SMB_OFF_T
2897         qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
2898 #else /* LARGE_SMB_OFF_T */
2899         if ((IVAL(pdata,28) != 0)&&
2900                 ((qt.softlim != 0xFFFFFFFF)||
2901                 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2902                 /* more than 32 bits? */
2903                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2904         }
2905 #endif /* LARGE_SMB_OFF_T */
2906
2907         /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
2908         qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
2909 #ifdef LARGE_SMB_OFF_T
2910         qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
2911 #else /* LARGE_SMB_OFF_T */
2912         if ((IVAL(pdata,36) != 0)&&
2913                 ((qt.hardlim != 0xFFFFFFFF)||
2914                 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2915                 /* more than 32 bits? */
2916                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2917         }
2918 #endif /* LARGE_SMB_OFF_T */
2919
2920         sid_parse(pdata+40,sid_len,&sid);
2921         DEBUGADD(8,("SID: %s\n",sid_string_static(&sid)));
2922
2923         /* 44 unknown bytes left... */
2924
2925         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2926                 return ERROR_DOS(ERRSRV,ERRerror);
2927         }
2928
2929         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, param_len,
2930                         pdata, data_len);
2931
2932         return -1;
2933 }
2934 #endif /* HAVE_SYS_QUOTAS */
2935
2936 static int handle_nttrans(connection_struct *conn,
2937                           struct trans_state *state,
2938                           char *inbuf, char *outbuf, int size, int bufsize)
2939 {
2940         int outsize;
2941
2942         if (Protocol >= PROTOCOL_NT1) {
2943                 SSVAL(outbuf,smb_flg2,SVAL(outbuf,smb_flg2) | 0x40); /* IS_LONG_NAME */
2944         }
2945
2946         /* Now we must call the relevant NT_TRANS function */
2947         switch(state->call) {
2948                 case NT_TRANSACT_CREATE:
2949                 {
2950                         START_PROFILE(NT_transact_create);
2951                         outsize = call_nt_transact_create(conn, inbuf, outbuf,
2952                                                           size, bufsize,
2953                                                         &state->setup, state->setup_count,
2954                                                         &state->param, state->total_param,
2955                                                         &state->data, state->total_data,
2956                                                           state->max_data_return);
2957                         END_PROFILE(NT_transact_create);
2958                         break;
2959                 }
2960
2961                 case NT_TRANSACT_IOCTL:
2962                 {
2963                         START_PROFILE(NT_transact_ioctl);
2964                         outsize = call_nt_transact_ioctl(conn, inbuf, outbuf,
2965                                                          size, bufsize,
2966                                                          &state->setup, state->setup_count,
2967                                                          &state->param, state->total_param,
2968                                                          &state->data, state->total_data, state->max_data_return);
2969                         END_PROFILE(NT_transact_ioctl);
2970                         break;
2971                 }
2972
2973                 case NT_TRANSACT_SET_SECURITY_DESC:
2974                 {
2975                         START_PROFILE(NT_transact_set_security_desc);
2976                         outsize = call_nt_transact_set_security_desc(conn, inbuf, outbuf,
2977                                                          size, bufsize,
2978                                                          &state->setup, state->setup_count,
2979                                                          &state->param, state->total_param,
2980                                                          &state->data, state->total_data, state->max_data_return);
2981                         END_PROFILE(NT_transact_set_security_desc);
2982                         break;
2983                 }
2984
2985                 case NT_TRANSACT_NOTIFY_CHANGE:
2986                 {
2987                         START_PROFILE(NT_transact_notify_change);
2988                         outsize = call_nt_transact_notify_change(
2989                                 conn, inbuf, outbuf, size, bufsize,
2990                                 &state->setup, state->setup_count,
2991                                 &state->param, state->total_param,
2992                                 &state->data, state->total_data,
2993                                 state->max_data_return,
2994                                 state->max_param_return);
2995                         END_PROFILE(NT_transact_notify_change);
2996                         break;
2997                 }
2998
2999                 case NT_TRANSACT_RENAME:
3000                 {
3001                         START_PROFILE(NT_transact_rename);
3002                         outsize = call_nt_transact_rename(conn, inbuf, outbuf,
3003                                                          size, bufsize,
3004                                                          &state->setup, state->setup_count,
3005                                                          &state->param, state->total_param,
3006                                                          &state->data, state->total_data, state->max_data_return);
3007                         END_PROFILE(NT_transact_rename);
3008                         break;
3009                 }
3010
3011                 case NT_TRANSACT_QUERY_SECURITY_DESC:
3012                 {
3013                         START_PROFILE(NT_transact_query_security_desc);
3014                         outsize = call_nt_transact_query_security_desc(conn, inbuf, outbuf,
3015                                                          size, bufsize,
3016                                                          &state->setup, state->setup_count,
3017                                                          &state->param, state->total_param,
3018                                                          &state->data, state->total_data, state->max_data_return);
3019                         END_PROFILE(NT_transact_query_security_desc);
3020                         break;
3021                 }
3022
3023 #ifdef HAVE_SYS_QUOTAS
3024                 case NT_TRANSACT_GET_USER_QUOTA:
3025                 {
3026                         START_PROFILE(NT_transact_get_user_quota);
3027                         outsize = call_nt_transact_get_user_quota(conn, inbuf, outbuf,
3028                                                          size, bufsize,
3029                                                          &state->setup, state->setup_count,
3030                                                          &state->param, state->total_param,
3031                                                          &state->data, state->total_data, state->max_data_return);
3032                         END_PROFILE(NT_transact_get_user_quota);
3033                         break;
3034                 }
3035
3036                 case NT_TRANSACT_SET_USER_QUOTA:
3037                 {
3038                         START_PROFILE(NT_transact_set_user_quota);
3039                         outsize = call_nt_transact_set_user_quota(conn, inbuf, outbuf,
3040                                                          size, bufsize,
3041                                                          &state->setup, state->setup_count,
3042                                                          &state->param, state->total_param,
3043                                                          &state->data, state->total_data, state->max_data_return);
3044                         END_PROFILE(NT_transact_set_user_quota);
3045                         break;
3046                 }
3047 #endif /* HAVE_SYS_QUOTAS */
3048
3049                 default:
3050                         /* Error in request */
3051                         DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n",
3052                                  state->call));
3053                         return ERROR_DOS(ERRSRV,ERRerror);
3054         }
3055         return outsize;
3056 }
3057
3058 /****************************************************************************
3059  Reply to a SMBNTtrans.
3060 ****************************************************************************/
3061
3062 int reply_nttrans(connection_struct *conn,
3063                         char *inbuf,char *outbuf,int size,int bufsize)
3064 {
3065         int  outsize = 0;
3066         uint32 pscnt = IVAL(inbuf,smb_nt_ParameterCount);
3067         uint32 psoff = IVAL(inbuf,smb_nt_ParameterOffset);
3068         uint32 dscnt = IVAL(inbuf,smb_nt_DataCount);
3069         uint32 dsoff = IVAL(inbuf,smb_nt_DataOffset);
3070
3071         uint16 function_code = SVAL( inbuf, smb_nt_Function);
3072         NTSTATUS result;
3073         struct trans_state *state;
3074
3075         START_PROFILE(SMBnttrans);
3076
3077         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
3078                 END_PROFILE(SMBnttrans);
3079                 return ERROR_DOS(ERRSRV,ERRaccess);
3080         }
3081
3082         result = allow_new_trans(conn->pending_trans, SVAL(inbuf, smb_mid));
3083         if (!NT_STATUS_IS_OK(result)) {
3084                 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
3085                 END_PROFILE(SMBnttrans);
3086                 return ERROR_NT(result);
3087         }
3088
3089         if ((state = TALLOC_P(conn->mem_ctx, struct trans_state)) == NULL) {
3090                 END_PROFILE(SMBnttrans);
3091                 return ERROR_DOS(ERRSRV,ERRaccess);
3092         }
3093
3094         state->cmd = SMBnttrans;
3095
3096         state->mid = SVAL(inbuf,smb_mid);
3097         state->vuid = SVAL(inbuf,smb_uid);
3098         state->total_data = IVAL(inbuf, smb_nt_TotalDataCount);
3099         state->data = NULL;
3100         state->total_param = IVAL(inbuf, smb_nt_TotalParameterCount);
3101         state->param = NULL;
3102         state->max_data_return = IVAL(inbuf,smb_nt_MaxDataCount);
3103         state->max_param_return = IVAL(inbuf,smb_nt_MaxParameterCount);
3104
3105         /* setup count is in *words* */
3106         state->setup_count = 2*CVAL(inbuf,smb_nt_SetupCount);
3107         state->setup = NULL;
3108         state->call = function_code;
3109
3110         /*
3111          * All nttrans messages we handle have smb_wct == 19 +
3112          * state->setup_count.  Ensure this is so as a sanity check.
3113          */
3114
3115         if(CVAL(inbuf, smb_wct) != 19 + (state->setup_count/2)) {
3116                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
3117                         CVAL(inbuf, smb_wct), 19 + (state->setup_count/2)));
3118                 goto bad_param;
3119         }
3120
3121         /* Don't allow more than 128mb for each value. */
3122         if ((state->total_data > (1024*1024*128)) ||
3123             (state->total_param > (1024*1024*128))) {
3124                 END_PROFILE(SMBnttrans);
3125                 return ERROR_DOS(ERRDOS,ERRnomem);
3126         }
3127
3128         if ((dscnt > state->total_data) || (pscnt > state->total_param))
3129                 goto bad_param;
3130
3131         if (state->total_data)  {
3132                 /* Can't use talloc here, the core routines do realloc on the
3133                  * params and data. */
3134                 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
3135                         DEBUG(0,("reply_nttrans: data malloc fail for %u "
3136                                  "bytes !\n", (unsigned int)state->total_data));
3137                         TALLOC_FREE(state);
3138                         END_PROFILE(SMBnttrans);
3139                         return(ERROR_DOS(ERRDOS,ERRnomem));
3140                 }
3141                 if ((dsoff+dscnt < dsoff) || (dsoff+dscnt < dscnt))
3142                         goto bad_param;
3143                 if ((smb_base(inbuf)+dsoff+dscnt > inbuf + size) ||
3144                     (smb_base(inbuf)+dsoff+dscnt < smb_base(inbuf)))
3145                         goto bad_param;
3146
3147                 memcpy(state->data,smb_base(inbuf)+dsoff,dscnt);
3148         }
3149
3150         if (state->total_param) {
3151                 /* Can't use talloc here, the core routines do realloc on the
3152                  * params and data. */
3153                 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
3154                         DEBUG(0,("reply_nttrans: param malloc fail for %u "
3155                                  "bytes !\n", (unsigned int)state->total_param));
3156                         SAFE_FREE(state->data);
3157                         TALLOC_FREE(state);
3158                         END_PROFILE(SMBnttrans);
3159                         return(ERROR_DOS(ERRDOS,ERRnomem));
3160                 }
3161                 if ((psoff+pscnt < psoff) || (psoff+pscnt < pscnt))
3162                         goto bad_param;
3163                 if ((smb_base(inbuf)+psoff+pscnt > inbuf + size) ||
3164                     (smb_base(inbuf)+psoff+pscnt < smb_base(inbuf)))
3165                         goto bad_param;
3166
3167                 memcpy(state->param,smb_base(inbuf)+psoff,pscnt);
3168         }
3169
3170         state->received_data  = dscnt;
3171         state->received_param = pscnt;
3172
3173         if(state->setup_count > 0) {
3174                 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
3175                           state->setup_count));
3176                 state->setup = (uint16 *)TALLOC(state, state->setup_count);
3177                 if (state->setup == NULL) {
3178                         DEBUG(0,("reply_nttrans : Out of memory\n"));
3179                         SAFE_FREE(state->data);
3180                         SAFE_FREE(state->param);
3181                         TALLOC_FREE(state);
3182                         END_PROFILE(SMBnttrans);
3183                         return ERROR_DOS(ERRDOS,ERRnomem);
3184                 }
3185
3186                 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
3187                     (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
3188                         goto bad_param;
3189                 }
3190                 if (smb_nt_SetupStart + state->setup_count > size) {
3191                         goto bad_param;
3192                 }
3193
3194                 memcpy( state->setup, &inbuf[smb_nt_SetupStart], state->setup_count);
3195                 dump_data(10, (uint8 *)state->setup, state->setup_count);
3196         }
3197
3198         if ((state->received_data == state->total_data) &&
3199             (state->received_param == state->total_param)) {
3200                 outsize = handle_nttrans(conn, state, inbuf, outbuf,
3201                                          size, bufsize);
3202                 SAFE_FREE(state->param);
3203                 SAFE_FREE(state->data);
3204                 TALLOC_FREE(state);
3205                 END_PROFILE(SMBnttrans);
3206                 return outsize;
3207         }
3208
3209         DLIST_ADD(conn->pending_trans, state);
3210
3211         /* We need to send an interim response then receive the rest
3212            of the parameter/data bytes */
3213         outsize = set_message(inbuf,outbuf,0,0,False);
3214         show_msg(outbuf);
3215         END_PROFILE(SMBnttrans);
3216         return outsize;
3217
3218   bad_param:
3219
3220         DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3221         SAFE_FREE(state->data);
3222         SAFE_FREE(state->param);
3223         TALLOC_FREE(state);
3224         END_PROFILE(SMBnttrans);
3225         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3226 }
3227
3228 /****************************************************************************
3229  Reply to a SMBnttranss
3230  ****************************************************************************/
3231
3232 int reply_nttranss(connection_struct *conn,  char *inbuf,char *outbuf,
3233                    int size,int bufsize)
3234 {
3235         int outsize = 0;
3236         unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
3237         struct trans_state *state;
3238
3239         START_PROFILE(SMBnttranss);
3240
3241         show_msg(inbuf);
3242
3243         for (state = conn->pending_trans; state != NULL;
3244              state = state->next) {
3245                 if (state->mid == SVAL(inbuf,smb_mid)) {
3246                         break;
3247                 }
3248         }
3249
3250         if ((state == NULL) || (state->cmd != SMBnttrans)) {
3251                 END_PROFILE(SMBnttranss);
3252                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3253         }
3254
3255         /* Revise state->total_param and state->total_data in case they have
3256            changed downwards */
3257         if (IVAL(inbuf, smb_nts_TotalParameterCount) < state->total_param) {
3258                 state->total_param = IVAL(inbuf, smb_nts_TotalParameterCount);
3259         }
3260         if (IVAL(inbuf, smb_nts_TotalDataCount) < state->total_data) {
3261                 state->total_data = IVAL(inbuf, smb_nts_TotalDataCount);
3262         }
3263
3264         pcnt = IVAL(inbuf,smb_nts_ParameterCount);
3265         poff = IVAL(inbuf, smb_nts_ParameterOffset);
3266         pdisp = IVAL(inbuf, smb_nts_ParameterDisplacement);
3267
3268         dcnt = IVAL(inbuf, smb_nts_DataCount);
3269         ddisp = IVAL(inbuf, smb_nts_DataDisplacement);
3270         doff = IVAL(inbuf, smb_nts_DataOffset);
3271
3272         state->received_param += pcnt;
3273         state->received_data += dcnt;
3274
3275         if ((state->received_data > state->total_data) ||
3276             (state->received_param > state->total_param))
3277                 goto bad_param;
3278
3279         if (pcnt) {
3280                 if (pdisp+pcnt > state->total_param)
3281                         goto bad_param;
3282                 if ((pdisp+pcnt < pdisp) || (pdisp+pcnt < pcnt))
3283                         goto bad_param;
3284                 if (pdisp > state->total_param)
3285                         goto bad_param;
3286                 if ((smb_base(inbuf) + poff + pcnt > inbuf + size) ||
3287                     (smb_base(inbuf) + poff + pcnt < smb_base(inbuf)))
3288                         goto bad_param;
3289                 if (state->param + pdisp < state->param)
3290                         goto bad_param;
3291
3292                 memcpy(state->param+pdisp,smb_base(inbuf)+poff,
3293                        pcnt);
3294         }
3295
3296         if (dcnt) {
3297                 if (ddisp+dcnt > state->total_data)
3298                         goto bad_param;
3299                 if ((ddisp+dcnt < ddisp) || (ddisp+dcnt < dcnt))
3300                         goto bad_param;
3301                 if (ddisp > state->total_data)
3302                         goto bad_param;
3303                 if ((smb_base(inbuf) + doff + dcnt > inbuf + size) ||
3304                     (smb_base(inbuf) + doff + dcnt < smb_base(inbuf)))
3305                         goto bad_param;
3306                 if (state->data + ddisp < state->data)
3307                         goto bad_param;
3308
3309                 memcpy(state->data+ddisp, smb_base(inbuf)+doff,
3310                        dcnt);
3311         }
3312
3313         if ((state->received_param < state->total_param) ||
3314             (state->received_data < state->total_data)) {
3315                 END_PROFILE(SMBnttranss);
3316                 return -1;
3317         }
3318
3319         /* construct_reply_common has done us the favor to pre-fill the
3320          * command field with SMBnttranss which is wrong :-)
3321          */
3322         SCVAL(outbuf,smb_com,SMBnttrans);
3323
3324         outsize = handle_nttrans(conn, state, inbuf, outbuf,
3325                                  size, bufsize);
3326
3327         DLIST_REMOVE(conn->pending_trans, state);
3328         SAFE_FREE(state->data);
3329         SAFE_FREE(state->param);
3330         TALLOC_FREE(state);
3331
3332         if (outsize == 0) {
3333                 END_PROFILE(SMBnttranss);
3334                 return(ERROR_DOS(ERRSRV,ERRnosupport));
3335         }
3336
3337         END_PROFILE(SMBnttranss);
3338         return(outsize);
3339
3340   bad_param:
3341
3342         DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3343         DLIST_REMOVE(conn->pending_trans, state);
3344         SAFE_FREE(state->data);
3345         SAFE_FREE(state->param);
3346         TALLOC_FREE(state);
3347         END_PROFILE(SMBnttranss);
3348         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3349 }