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                         END_PROFILE(SMBntcreateX);
 735                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
 736                 }
 737
 738                 oplock_request = 0;
 739                 status = open_directory(conn, &req, fname, &sbuf,
 740                                         access_mask,
 741                                         share_access,
 742                                         create_disposition,
 743                                         create_options,
 744                                         new_file_attributes,
 745                                         &info, &fsp);
 746
 747                 restore_case_semantics(conn, file_attributes);
 748
 749                 if(!NT_STATUS_IS_OK(status)) {
 750                         if (!use_nt_status() && NT_STATUS_EQUAL(
 751                                     status, NT_STATUS_OBJECT_NAME_COLLISION)) {
 752                                 status = NT_STATUS_DOS(ERRDOS, ERRfilexists);
 753                         }
 754                         END_PROFILE(SMBntcreateX);
 755                         return ERROR_NT(status);
 756                 }
 757
 758         } else {
 759
 760                 /*
 761                  * Ordinary file case.
 762                  */
 763
 764                 /* NB. We have a potential bug here. If we
 765                  * cause an oplock break to ourselves, then we
 766                  * could end up processing filename related
 767                  * SMB requests whilst we await the oplock
 768                  * break response. As we may have changed the
 769                  * filename case semantics to be POSIX-like,
 770                  * this could mean a filename request could
 771                  * fail when it should succeed. This is a rare
 772                  * condition, but eventually we must arrange
 773                  * to restore the correct case semantics
 774                  * before issuing an oplock break request to
 775                  * our client. JRA.  */
 776
 777                 status = open_file_ntcreate(conn, &req, fname, &sbuf,
 778                                         access_mask,
 779                                         share_access,
 780                                         create_disposition,
 781                                         create_options,
 782                                         new_file_attributes,
 783                                         oplock_request,
 784                                         &info, &fsp);
 785
 786                 if (!NT_STATUS_IS_OK(status)) {
 787                         /* We cheat here. There are two cases we
 788                          * care about. One is a directory rename,
 789                          * where the NT client will attempt to
 790                          * open the source directory for
 791                          * DELETE access. Note that when the
 792                          * NT client does this it does *not*
 793                          * set the directory bit in the
 794                          * request packet. This is translated
 795                          * into a read/write open
 796                          * request. POSIX states that any open
 797                          * for write request on a directory
 798                          * will generate an EISDIR error, so
 799                          * we can catch this here and open a
 800                          * pseudo handle that is flagged as a
 801                          * directory. The second is an open
 802                          * for a permissions read only, which
 803                          * we handle in the open_file_stat case. JRA.
 804                          */
 805
 806                         if (NT_STATUS_EQUAL(status,
 807                                             NT_STATUS_FILE_IS_A_DIRECTORY)) {
 808
 809                                 /*
 810                                  * Fail the open if it was explicitly a non-directory file.
 811                                  */
 812
 813                                 if (create_options & FILE_NON_DIRECTORY_FILE) {
 814                                         restore_case_semantics(conn, file_attributes);
 815                                         END_PROFILE(SMBntcreateX);
 816                                         return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
 817                                 }
 818
 819                                 oplock_request = 0;
 820                                 status = open_directory(conn, &req, fname,
 821                                                         &sbuf,
 822                                                         access_mask,
 823                                                         share_access,
 824                                                         create_disposition,
 825                                                         create_options,
 826                                                         new_file_attributes,
 827                                                         &info, &fsp);
 828
 829                                 if(!NT_STATUS_IS_OK(status)) {
 830                                         restore_case_semantics(conn, file_attributes);
 831                                         if (!use_nt_status() && NT_STATUS_EQUAL(
 832                                                     status, NT_STATUS_OBJECT_NAME_COLLISION)) {
 833                                                 status = NT_STATUS_DOS(ERRDOS, ERRfilexists);
 834                                         }
 835                                         END_PROFILE(SMBntcreateX);
 836                                         return ERROR_NT(status);
 837                                 }
 838                         } else {
 839                                 restore_case_semantics(conn, file_attributes);
 840                                 END_PROFILE(SMBntcreateX);
 841                                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
 842                                         /* We have re-scheduled this call. */
 843                                         return -1;
 844                                 }
 845                                 return ERROR_NT(status);
 846                         }
 847                 }
 848         }
 849
 850         restore_case_semantics(conn, file_attributes);
 851
 852         file_len = sbuf.st_size;
 853         fattr = dos_mode(conn,fname,&sbuf);
 854         if(fattr == 0) {
 855                 fattr = FILE_ATTRIBUTE_NORMAL;
 856         }
 857         if (!fsp->is_directory && (fattr & aDIR)) {
 858                 close_file(fsp,ERROR_CLOSE);
 859                 END_PROFILE(SMBntcreateX);
 860                 return ERROR_DOS(ERRDOS,ERRnoaccess);
 861         }
 862
 863         /* Save the requested allocation size. */
 864         if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
 865                 SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize);
 866 #ifdef LARGE_SMB_OFF_T
 867                 allocation_size |= (((SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
 868 #endif
 869                 if (allocation_size && (allocation_size > (SMB_BIG_UINT)file_len)) {
 870                         fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
 871                         if (fsp->is_directory) {
 872                                 close_file(fsp,ERROR_CLOSE);
 873                                 END_PROFILE(SMBntcreateX);
 874                                 /* Can't set allocation size on a directory. */
 875                                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
 876                         }
 877                         if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
 878                                 close_file(fsp,ERROR_CLOSE);
 879                                 END_PROFILE(SMBntcreateX);
 880                                 return ERROR_NT(NT_STATUS_DISK_FULL);
 881                         }
 882                 } else {
 883                         fsp->initial_allocation_size = smb_roundup(fsp->conn,(SMB_BIG_UINT)file_len);
 884                 }
 885         }
 886
 887         /*
 888          * If the caller set the extended oplock request bit
 889          * and we granted one (by whatever means) - set the
 890          * correct bit for extended oplock reply.
 891          */
 892
 893         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
 894                 extended_oplock_granted = True;
 895         }
 896
 897         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
 898                 extended_oplock_granted = True;
 899         }
 900
 901         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 902                 /* This is very strange. We
 903                  * return 50 words, but only set
 904                  * the wcnt to 42 ? It's definately
 905                  * what happens on the wire....
 906                  */
 907                 set_message(inbuf,outbuf,50,0,True);
 908                 SCVAL(outbuf,smb_wct,42);
 909         } else {
 910                 set_message(inbuf,outbuf,34,0,True);
 911         }
 912
 913         p = outbuf + smb_vwv2;
 914
 915         /*
 916          * Currently as we don't support level II oplocks we just report
 917          * exclusive & batch here.
 918          */
 919
 920         if (extended_oplock_granted) {
 921                 if (flags & REQUEST_BATCH_OPLOCK) {
 922                         SCVAL(p,0, BATCH_OPLOCK_RETURN);
 923                 } else {
 924                         SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
 925                 }
 926         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
 927                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
 928         } else {
 929                 SCVAL(p,0,NO_OPLOCK_RETURN);
 930         }
 931
 932         p++;
 933         SSVAL(p,0,fsp->fnum);
 934         p += 2;
 935         if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
 936                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
 937         } else {
 938                 SIVAL(p,0,info);
 939         }
 940         p += 4;
 941
 942         /* Create time. */
 943         c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
 944         a_timespec = get_atimespec(&sbuf);
 945         m_timespec = get_mtimespec(&sbuf);
 946
 947         if (lp_dos_filetime_resolution(SNUM(conn))) {
 948                 dos_filetime_timespec(&c_timespec);
 949                 dos_filetime_timespec(&a_timespec);
 950                 dos_filetime_timespec(&m_timespec);
 951         }
 952
 953         put_long_date_timespec(p, c_timespec); /* create time. */
 954         p += 8;
 955         put_long_date_timespec(p, a_timespec); /* access time */
 956         p += 8;
 957         put_long_date_timespec(p, m_timespec); /* write time */
 958         p += 8;
 959         put_long_date_timespec(p, m_timespec); /* change time */
 960         p += 8;
 961         SIVAL(p,0,fattr); /* File Attributes. */
 962         p += 4;
 963         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
 964         p += 8;
 965         SOFF_T(p,0,file_len);
 966         p += 8;
 967         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 968                 SSVAL(p,2,0x7);
 969         }
 970         p += 4;
 971         SCVAL(p,0,fsp->is_directory ? 1 : 0);
 972
 973         if (flags & EXTENDED_RESPONSE_REQUIRED) {
 974                 uint32 perms = 0;
 975                 p += 25;
 976                 if (fsp->is_directory || can_write_to_file(conn, fname, &sbuf)) {
 977                         perms = FILE_GENERIC_ALL;
 978                 } else {
 979                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
 980                 }
 981                 SIVAL(p,0,perms);
 982         }
 983
 984         DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
 985
 986         result = chain_reply(inbuf,outbuf,length,bufsize);
 987         END_PROFILE(SMBntcreateX);
 988         return result;
 989 }
 990
 991 /****************************************************************************
 992  Reply to a NT_TRANSACT_CREATE call to open a pipe.
 993 ****************************************************************************/
 994
 995 static int do_nt_transact_create_pipe( connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
 996                                   uint16 **ppsetup, uint32 setup_count,
 997                                   char **ppparams, uint32 parameter_count,
 998                                   char **ppdata, uint32 data_count)
 999 {
1000         pstring fname;
1001         char *params = *ppparams;
1002         int ret;
1003         int pnum = -1;
1004         char *p = NULL;
1005         NTSTATUS status;
1006         size_t param_len;
1007         uint32 flags;
1008
1009         /*
1010          * Ensure minimum number of parameters sent.
1011          */
1012
1013         if(parameter_count < 54) {
1014                 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1015                 return ERROR_DOS(ERRDOS,ERRnoaccess);
1016         }
1017
1018         flags = IVAL(params,0);
1019
1020         srvstr_get_path(inbuf, SVAL(inbuf,smb_flg2), fname, params+53,
1021                         sizeof(fname), parameter_count-53, STR_TERMINATE,
1022                         &status);
1023         if (!NT_STATUS_IS_OK(status)) {
1024                 return ERROR_NT(status);
1025         }
1026
1027         if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0) {
1028                 return ret;
1029         }
1030
1031         /* Realloc the size of parameters and data we will return */
1032         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1033                 /* Extended response is 32 more byyes. */
1034                 param_len = 101;
1035         } else {
1036                 param_len = 69;
1037         }
1038         params = nttrans_realloc(ppparams, param_len);
1039         if(params == NULL) {
1040                 return ERROR_DOS(ERRDOS,ERRnomem);
1041         }
1042
1043         p = params;
1044         SCVAL(p,0,NO_OPLOCK_RETURN);
1045
1046         p += 2;
1047         SSVAL(p,0,pnum);
1048         p += 2;
1049         SIVAL(p,0,FILE_WAS_OPENED);
1050         p += 8;
1051
1052         p += 32;
1053         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
1054         p += 20;
1055         /* File type. */
1056         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
1057         /* Device state. */
1058         SSVAL(p,2, 0x5FF); /* ? */
1059         p += 4;
1060
1061         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1062                 p += 25;
1063                 SIVAL(p,0,FILE_GENERIC_ALL);
1064                 /*
1065                  * For pipes W2K3 seems to return
1066                  * 0x12019B next.
1067                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
1068                  */
1069                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
1070         }
1071
1072         DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
1073
1074         /* Send the required number of replies */
1075         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, param_len, *ppdata, 0);
1076
1077         return -1;
1078 }
1079
1080 /****************************************************************************
1081  Internal fn to set security descriptors.
1082 ****************************************************************************/
1083
1084 static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent)
1085 {
1086         prs_struct pd;
1087         SEC_DESC *psd = NULL;
1088         TALLOC_CTX *mem_ctx;
1089         NTSTATUS status;
1090
1091         if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
1092                 return NT_STATUS_OK;
1093         }
1094
1095         /*
1096          * Init the parse struct we will unmarshall from.
1097          */
1098
1099         if ((mem_ctx = talloc_init("set_sd")) == NULL) {
1100                 DEBUG(0,("set_sd: talloc_init failed.\n"));
1101                 return NT_STATUS_NO_MEMORY;
1102         }
1103
1104         prs_init(&pd, 0, mem_ctx, UNMARSHALL);
1105
1106         /*
1107          * Setup the prs_struct to point at the memory we just
1108          * allocated.
1109          */
1110
1111         prs_give_memory( &pd, data, sd_len, False);
1112
1113         /*
1114          * Finally, unmarshall from the data buffer.
1115          */
1116
1117         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1118                 DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
1119                 /*
1120                  * Return access denied for want of a better error message..
1121                  */
1122                 talloc_destroy(mem_ctx);
1123                 return NT_STATUS_NO_MEMORY;
1124         }
1125
1126         if (psd->owner_sid==0) {
1127                 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
1128         }
1129         if (psd->group_sid==0) {
1130                 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
1131         }
1132         if (psd->sacl==0) {
1133                 security_info_sent &= ~SACL_SECURITY_INFORMATION;
1134         }
1135         if (psd->dacl==0) {
1136                 security_info_sent &= ~DACL_SECURITY_INFORMATION;
1137         }
1138
1139         status = SMB_VFS_FSET_NT_ACL( fsp, fsp->fh->fd, security_info_sent, psd);
1140
1141         talloc_destroy(mem_ctx);
1142         return status;
1143 }
1144
1145 /****************************************************************************
1146  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
1147 ****************************************************************************/
1148
1149 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
1150 {
1151         struct ea_list *ea_list_head = NULL;
1152         size_t offset = 0;
1153
1154         if (data_size < 4) {
1155                 return NULL;
1156         }
1157
1158         while (offset + 4 <= data_size) {
1159                 size_t next_offset = IVAL(pdata,offset);
1160                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
1161
1162                 if (!eal) {
1163                         return NULL;
1164                 }
1165
1166                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
1167                 if (next_offset == 0) {
1168                         break;
1169                 }
1170                 offset += next_offset;
1171         }
1172
1173         return ea_list_head;
1174 }
1175
1176 /****************************************************************************
1177  Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1178 ****************************************************************************/
1179
1180 static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1181                                   uint16 **ppsetup, uint32 setup_count,
1182                                   char **ppparams, uint32 parameter_count,
1183                                   char **ppdata, uint32 data_count, uint32 max_data_count)
1184 {
1185         pstring fname;
1186         char *params = *ppparams;
1187         char *data = *ppdata;
1188         /* Breakout the oplock request bits so we can set the reply bits separately. */
1189         int oplock_request = 0;
1190         uint32 fattr=0;
1191         SMB_OFF_T file_len = 0;
1192         SMB_STRUCT_STAT sbuf;
1193         int info = 0;
1194         files_struct *fsp = NULL;
1195         char *p = NULL;
1196         BOOL extended_oplock_granted = False;
1197         uint32 flags;
1198         uint32 access_mask;
1199         uint32 file_attributes;
1200         uint32 new_file_attributes;
1201         uint32 share_access;
1202         uint32 create_disposition;
1203         uint32 create_options;
1204         uint32 sd_len;
1205         uint32 ea_len;
1206         uint16 root_dir_fid;
1207         struct timespec c_timespec;
1208         struct timespec a_timespec;
1209         struct timespec m_timespec;
1210         struct ea_list *ea_list = NULL;
1211         TALLOC_CTX *ctx = NULL;
1212         char *pdata = NULL;
1213         NTSTATUS status;
1214         size_t param_len;
1215         struct smb_request req;
1216
1217         DEBUG(5,("call_nt_transact_create\n"));
1218
1219         /*
1220          * If it's an IPC, use the pipe handler.
1221          */
1222
1223         if (IS_IPC(conn)) {
1224                 if (lp_nt_pipe_support()) {
1225                         return do_nt_transact_create_pipe(conn, inbuf, outbuf, length,
1226                                         bufsize,
1227                                         ppsetup, setup_count,
1228                                         ppparams, parameter_count,
1229                                         ppdata, data_count);
1230                 } else {
1231                         return ERROR_DOS(ERRDOS,ERRnoaccess);
1232                 }
1233         }
1234
1235         /*
1236          * Ensure minimum number of parameters sent.
1237          */
1238
1239         if(parameter_count < 54) {
1240                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1241                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1242         }
1243
1244         init_smb_request(&req, (uint8 *)inbuf);
1245
1246         flags = IVAL(params,0);
1247         access_mask = IVAL(params,8);
1248         file_attributes = IVAL(params,20);
1249         share_access = IVAL(params,24);
1250         create_disposition = IVAL(params,28);
1251         create_options = IVAL(params,32);
1252         sd_len = IVAL(params,36);
1253         ea_len = IVAL(params,40);
1254         root_dir_fid = (uint16)IVAL(params,4);
1255
1256         /* Ensure the data_len is correct for the sd and ea values given. */
1257         if ((ea_len + sd_len > data_count) ||
1258                         (ea_len > data_count) || (sd_len > data_count) ||
1259                         (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1260                 DEBUG(10,("call_nt_transact_create - ea_len = %u, sd_len = %u, data_count = %u\n",
1261                         (unsigned int)ea_len, (unsigned int)sd_len, (unsigned int)data_count ));
1262                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1263         }
1264
1265         if (ea_len) {
1266                 if (!lp_ea_support(SNUM(conn))) {
1267                         DEBUG(10,("call_nt_transact_create - ea_len = %u but EA's not supported.\n",
1268                                 (unsigned int)ea_len ));
1269                         return ERROR_NT(NT_STATUS_EAS_NOT_SUPPORTED);
1270                 }
1271
1272                 if (ea_len < 10) {
1273                         DEBUG(10,("call_nt_transact_create - ea_len = %u - too small (should be more than 10)\n",
1274                                 (unsigned int)ea_len ));
1275                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1276                 }
1277         }
1278
1279         if (create_options & FILE_OPEN_BY_FILE_ID) {
1280                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1281         }
1282
1283         /*
1284          * Get the file name.
1285          */
1286
1287         if(root_dir_fid != 0) {
1288                 /*
1289                  * This filename is relative to a directory fid.
1290                  */
1291                 files_struct *dir_fsp = file_fsp(params,4);
1292                 size_t dir_name_len;
1293
1294                 if(!dir_fsp) {
1295                         return ERROR_DOS(ERRDOS,ERRbadfid);
1296                 }
1297
1298                 if(!dir_fsp->is_directory) {
1299                         srvstr_get_path(inbuf, SVAL(inbuf,smb_flg2), fname,
1300                                         params+53, sizeof(fname),
1301                                         parameter_count-53, STR_TERMINATE,
1302                                         &status);
1303                         if (!NT_STATUS_IS_OK(status)) {
1304                                 return ERROR_NT(status);
1305                         }
1306
1307                         /*
1308                          * Check to see if this is a mac fork of some kind.
1309                          */
1310
1311                         if( is_ntfs_stream_name(fname)) {
1312                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1313                         }
1314
1315                         return ERROR_DOS(ERRDOS,ERRbadfid);
1316                 }
1317
1318                 /*
1319                  * Copy in the base directory name.
1320                  */
1321
1322                 pstrcpy( fname, dir_fsp->fsp_name );
1323                 dir_name_len = strlen(fname);
1324
1325                 /*
1326                  * Ensure it ends in a '\'.
1327                  */
1328
1329                 if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
1330                         pstrcat(fname, "/");
1331                         dir_name_len++;
1332                 }
1333
1334                 {
1335                         pstring tmpname;
1336                         srvstr_get_path(inbuf, SVAL(inbuf,smb_flg2), tmpname,
1337                                         params+53, sizeof(tmpname),
1338                                         parameter_count-53, STR_TERMINATE,
1339                                         &status);
1340                         if (!NT_STATUS_IS_OK(status)) {
1341                                 return ERROR_NT(status);
1342                         }
1343                         pstrcat(fname, tmpname);
1344                 }
1345         } else {
1346                 srvstr_get_path(inbuf, SVAL(inbuf,smb_flg2), fname, params+53,
1347                                 sizeof(fname), parameter_count-53,
1348                                 STR_TERMINATE, &status);
1349                 if (!NT_STATUS_IS_OK(status)) {
1350                         return ERROR_NT(status);
1351                 }
1352
1353                 /*
1354                  * Check to see if this is a mac fork of some kind.
1355                  */
1356
1357                 if( is_ntfs_stream_name(fname)) {
1358                         return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1359                 }
1360         }
1361
1362         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1363         if (oplock_request) {
1364                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1365         }
1366
1367         /*
1368          * Ordinary file or directory.
1369          */
1370
1371         /*
1372          * Check if POSIX semantics are wanted.
1373          */
1374
1375         new_file_attributes = set_posix_case_semantics(conn, file_attributes);
1376
1377         status = resolve_dfspath(conn, SVAL(inbuf,smb_flg2) & FLAGS2_DFS_PATHNAMES, fname);
1378         if (!NT_STATUS_IS_OK(status)) {
1379                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1380                         return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED, ERRSRV, ERRbadpath);
1381                 }
1382                 return ERROR_NT(status);
1383         }
1384
1385         status = unix_convert(conn, fname, False, NULL, &sbuf);
1386         if (!NT_STATUS_IS_OK(status)) {
1387                 restore_case_semantics(conn, file_attributes);
1388                 return ERROR_NT(status);
1389         }
1390         /* All file access must go through check_name() */
1391         status = check_name(conn, fname);
1392         if (!NT_STATUS_IS_OK(status)) {
1393                 restore_case_semantics(conn, file_attributes);
1394                 return ERROR_NT(status);
1395         }
1396
1397         /* This is the correct thing to do (check every time) but can_delete is
1398            expensive (it may have to read the parent directory permissions). So
1399            for now we're not doing it unless we have a strong hint the client
1400            is really going to delete this file. If the client is forcing FILE_CREATE
1401            let the filesystem take care of the permissions. */
1402
1403         /* Setting FILE_SHARE_DELETE is the hint. */
1404
1405         if (lp_acl_check_permissions(SNUM(conn))
1406             && (create_disposition != FILE_CREATE)
1407             && (share_access & FILE_SHARE_DELETE)
1408             && (access_mask & DELETE_ACCESS)) {
1409                 if ((dos_mode(conn, fname, &sbuf) & FILE_ATTRIBUTE_READONLY) ||
1410                                 !can_delete_file_in_directory(conn, fname)) {
1411                         restore_case_semantics(conn, file_attributes);
1412                         return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1413                 }
1414         }
1415
1416 #if 0
1417         /* We need to support SeSecurityPrivilege for this. */
1418         if ((access_mask & SEC_RIGHT_SYSTEM_SECURITY)) &&
1419                         !user_has_privileges(current_user.nt_user_token,
1420                                 &se_security)) {
1421                 restore_case_semantics(conn, file_attributes);
1422                 return ERROR_NT(NT_STATUS_PRIVILEGE_NOT_HELD);
1423         }
1424 #endif
1425
1426         if (ea_len) {
1427                 pdata = data + sd_len;
1428
1429                 /* We have already checked that ea_len <= data_count here. */
1430                 ea_list = read_nttrans_ea_list(tmp_talloc_ctx(), pdata,
1431                                                ea_len);
1432                 if (!ea_list ) {
1433                         restore_case_semantics(conn, file_attributes);
1434                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1435                 }
1436         }
1437
1438         /*
1439          * If it's a request for a directory open, deal with it separately.
1440          */
1441
1442         if(create_options & FILE_DIRECTORY_FILE) {
1443
1444                 /* Can't open a temp directory. IFS kit test. */
1445                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
1446                         restore_case_semantics(conn, file_attributes);
1447                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1448                 }
1449
1450                 /*
1451                  * We will get a create directory here if the Win32
1452                  * app specified a security descriptor in the
1453                  * CreateDirectory() call.
1454                  */
1455
1456                 oplock_request = 0;
1457                 status = open_directory(conn, &req, fname, &sbuf,
1458                                         access_mask,
1459                                         share_access,
1460                                         create_disposition,
1461                                         create_options,
1462                                         new_file_attributes,
1463                                         &info, &fsp);
1464                 if(!NT_STATUS_IS_OK(status)) {
1465                         restore_case_semantics(conn, file_attributes);
1466                         return ERROR_NT(status);
1467                 }
1468
1469         } else {
1470
1471                 /*
1472                  * Ordinary file case.
1473                  */
1474
1475                 status = open_file_ntcreate(conn,&req,fname,&sbuf,
1476                                         access_mask,
1477                                         share_access,
1478                                         create_disposition,
1479                                         create_options,
1480                                         new_file_attributes,
1481                                         oplock_request,
1482                                         &info, &fsp);
1483
1484                 if (!NT_STATUS_IS_OK(status)) {
1485                         if (NT_STATUS_EQUAL(status,
1486                                             NT_STATUS_FILE_IS_A_DIRECTORY)) {
1487
1488                                 /*
1489                                  * Fail the open if it was explicitly a non-directory file.
1490                                  */
1491
1492                                 if (create_options & FILE_NON_DIRECTORY_FILE) {
1493                                         restore_case_semantics(conn, file_attributes);
1494                                         return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
1495                                 }
1496
1497                                 oplock_request = 0;
1498                                 status = open_directory(conn, &req, fname,
1499                                                         &sbuf,
1500                                                         access_mask,
1501                                                         share_access,
1502                                                         create_disposition,
1503                                                         create_options,
1504                                                         new_file_attributes,
1505                                                         &info, &fsp);
1506                                 if(!NT_STATUS_IS_OK(status)) {
1507                                         restore_case_semantics(conn, file_attributes);
1508                                         return ERROR_NT(status);
1509                                 }
1510                         } else {
1511                                 restore_case_semantics(conn, file_attributes);
1512                                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1513                                         /* We have re-scheduled this call. */
1514                                         return -1;
1515                                 }
1516                                 return ERROR_NT(status);
1517                         }
1518                 }
1519         }
1520
1521         /*
1522          * According to the MS documentation, the only time the security
1523          * descriptor is applied to the opened file is iff we *created* the
1524          * file; an existing file stays the same.
1525          *
1526          * Also, it seems (from observation) that you can open the file with
1527          * any access mask but you can still write the sd. We need to override
1528          * the granted access before we call set_sd
1529          * Patch for bug #2242 from Tom Lackemann <cessnatomny@yahoo.com>.
1530          */
1531
1532         if (lp_nt_acl_support(SNUM(conn)) && sd_len && info == FILE_WAS_CREATED) {
1533                 uint32 saved_access_mask = fsp->access_mask;
1534
1535                 /* We have already checked that sd_len <= data_count here. */
1536
1537                 fsp->access_mask = FILE_GENERIC_ALL;
1538
1539                 status = set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION);
1540                 if (!NT_STATUS_IS_OK(status)) {
1541                         talloc_destroy(ctx);
1542                         close_file(fsp,ERROR_CLOSE);
1543                         restore_case_semantics(conn, file_attributes);
1544                         return ERROR_NT(status);
1545                 }
1546                 fsp->access_mask = saved_access_mask;
1547         }
1548
1549         if (ea_len && (info == FILE_WAS_CREATED)) {
1550                 status = set_ea(conn, fsp, fname, ea_list);
1551                 if (!NT_STATUS_IS_OK(status)) {
1552                         close_file(fsp,ERROR_CLOSE);
1553                         restore_case_semantics(conn, file_attributes);
1554                         return ERROR_NT(status);
1555                 }
1556         }
1557
1558         restore_case_semantics(conn, file_attributes);
1559
1560         file_len = sbuf.st_size;
1561         fattr = dos_mode(conn,fname,&sbuf);
1562         if(fattr == 0) {
1563                 fattr = FILE_ATTRIBUTE_NORMAL;
1564         }
1565         if (!fsp->is_directory && (fattr & aDIR)) {
1566                 close_file(fsp,ERROR_CLOSE);
1567                 return ERROR_DOS(ERRDOS,ERRnoaccess);
1568         }
1569
1570         /* Save the requested allocation size. */
1571         if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
1572                 SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(params,12);
1573 #ifdef LARGE_SMB_OFF_T
1574                 allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
1575 #endif
1576                 if (allocation_size && (allocation_size > file_len)) {
1577                         fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
1578                         if (fsp->is_directory) {
1579                                 close_file(fsp,ERROR_CLOSE);
1580                                 /* Can't set allocation size on a directory. */
1581                                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1582                         }
1583                         if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1584                                 close_file(fsp,ERROR_CLOSE);
1585                                 return ERROR_NT(NT_STATUS_DISK_FULL);
1586                         }
1587                 } else {
1588                         fsp->initial_allocation_size = smb_roundup(fsp->conn, (SMB_BIG_UINT)file_len);
1589                 }
1590         }
1591
1592         /*
1593          * If the caller set the extended oplock request bit
1594          * and we granted one (by whatever means) - set the
1595          * correct bit for extended oplock reply.
1596          */
1597
1598         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1599                 extended_oplock_granted = True;
1600         }
1601
1602         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1603                 extended_oplock_granted = True;
1604         }
1605
1606         /* Realloc the size of parameters and data we will return */
1607         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1608                 /* Extended response is 32 more byyes. */
1609                 param_len = 101;
1610         } else {
1611                 param_len = 69;
1612         }
1613         params = nttrans_realloc(ppparams, param_len);
1614         if(params == NULL) {
1615                 return ERROR_DOS(ERRDOS,ERRnomem);
1616         }
1617
1618         p = params;
1619         if (extended_oplock_granted) {
1620                 if (flags & REQUEST_BATCH_OPLOCK) {
1621                         SCVAL(p,0, BATCH_OPLOCK_RETURN);
1622                 } else {
1623                         SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
1624                 }
1625         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1626                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
1627         } else {
1628                 SCVAL(p,0,NO_OPLOCK_RETURN);
1629         }
1630
1631         p += 2;
1632         SSVAL(p,0,fsp->fnum);
1633         p += 2;
1634         if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
1635                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1636         } else {
1637                 SIVAL(p,0,info);
1638         }
1639         p += 8;
1640
1641         /* Create time. */
1642         c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1643         a_timespec = get_atimespec(&sbuf);
1644         m_timespec = get_mtimespec(&sbuf);
1645
1646         if (lp_dos_filetime_resolution(SNUM(conn))) {
1647                 dos_filetime_timespec(&c_timespec);
1648                 dos_filetime_timespec(&a_timespec);
1649                 dos_filetime_timespec(&m_timespec);
1650         }
1651
1652         put_long_date_timespec(p, c_timespec); /* create time. */
1653         p += 8;
1654         put_long_date_timespec(p, a_timespec); /* access time */
1655         p += 8;
1656         put_long_date_timespec(p, m_timespec); /* write time */
1657         p += 8;
1658         put_long_date_timespec(p, m_timespec); /* change time */
1659         p += 8;
1660         SIVAL(p,0,fattr); /* File Attributes. */
1661         p += 4;
1662         SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1663         p += 8;
1664         SOFF_T(p,0,file_len);
1665         p += 8;
1666         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1667                 SSVAL(p,2,0x7);
1668         }
1669         p += 4;
1670         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1671
1672         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1673                 uint32 perms = 0;
1674                 p += 25;
1675                 if (fsp->is_directory || can_write_to_file(conn, fname, &sbuf)) {
1676                         perms = FILE_GENERIC_ALL;
1677                 } else {
1678                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
1679                 }
1680                 SIVAL(p,0,perms);
1681         }
1682
1683         DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
1684
1685         /* Send the required number of replies */
1686         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, param_len, *ppdata, 0);
1687
1688         return -1;
1689 }
1690
1691 /****************************************************************************
1692  Reply to a NT CANCEL request.
1693  conn POINTER CAN BE NULL HERE !
1694 ****************************************************************************/
1695
1696 int reply_ntcancel(connection_struct *conn,
1697                    char *inbuf,char *outbuf,int length,int bufsize)
1698 {
1699         /*
1700          * Go through and cancel any pending change notifies.
1701          */
1702
1703         int mid = SVAL(inbuf,smb_mid);
1704         START_PROFILE(SMBntcancel);
1705         remove_pending_change_notify_requests_by_mid(mid);
1706         remove_pending_lock_requests_by_mid(mid);
1707         srv_cancel_sign_response(mid);
1708
1709         DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", mid));
1710
1711         END_PROFILE(SMBntcancel);
1712         return(-1);
1713 }
1714
1715 /****************************************************************************
1716  Copy a file.
1717 ****************************************************************************/
1718
1719 static NTSTATUS copy_internals(connection_struct *conn,
1720                                struct smb_request *req,
1721                                char *oldname, char *newname, uint32 attrs)
1722 {
1723         SMB_STRUCT_STAT sbuf1, sbuf2;
1724         pstring last_component_oldname;
1725         pstring last_component_newname;
1726         files_struct *fsp1,*fsp2;
1727         uint32 fattr;
1728         int info;
1729         SMB_OFF_T ret=-1;
1730         NTSTATUS status = NT_STATUS_OK;
1731
1732         ZERO_STRUCT(sbuf1);
1733         ZERO_STRUCT(sbuf2);
1734
1735         if (!CAN_WRITE(conn)) {
1736                 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1737         }
1738
1739         status = unix_convert(conn, oldname, False, last_component_oldname, &sbuf1);
1740         if (!NT_STATUS_IS_OK(status)) {
1741                 return status;
1742         }
1743
1744         status = check_name(conn, oldname);
1745         if (!NT_STATUS_IS_OK(status)) {
1746                 return status;
1747         }
1748
1749         /* Source must already exist. */
1750         if (!VALID_STAT(sbuf1)) {
1751                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1752         }
1753         /* Ensure attributes match. */
1754         fattr = dos_mode(conn,oldname,&sbuf1);
1755         if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1756                 return NT_STATUS_NO_SUCH_FILE;
1757         }
1758
1759         status = unix_convert(conn, newname, False, last_component_newname, &sbuf2);
1760         if (!NT_STATUS_IS_OK(status)) {
1761                 return status;
1762         }
1763
1764         status = check_name(conn, newname);
1765         if (!NT_STATUS_IS_OK(status)) {
1766                 return status;
1767         }
1768
1769         /* Disallow if newname already exists. */
1770         if (VALID_STAT(sbuf2)) {
1771                 return NT_STATUS_OBJECT_NAME_COLLISION;
1772         }
1773
1774         /* No links from a directory. */
1775         if (S_ISDIR(sbuf1.st_mode)) {
1776                 return NT_STATUS_FILE_IS_A_DIRECTORY;
1777         }
1778
1779         /* Ensure this is within the share. */
1780         status = reduce_name(conn, oldname);
1781         if (!NT_STATUS_IS_OK(status)) {
1782                 return status;
1783         }
1784
1785         DEBUG(10,("copy_internals: doing file copy %s to %s\n", oldname, newname));
1786
1787         status = open_file_ntcreate(conn, req, oldname, &sbuf1,
1788                         FILE_READ_DATA, /* Read-only. */
1789                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1790                         FILE_OPEN,
1791                         0, /* No create options. */
1792                         FILE_ATTRIBUTE_NORMAL,
1793                         NO_OPLOCK,
1794                         &info, &fsp1);
1795
1796         if (!NT_STATUS_IS_OK(status)) {
1797                 return status;
1798         }
1799
1800         status = open_file_ntcreate(conn, req, newname, &sbuf2,
1801                         FILE_WRITE_DATA, /* Read-only. */
1802                         FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1803                         FILE_CREATE,
1804                         0, /* No create options. */
1805                         fattr,
1806                         NO_OPLOCK,
1807                         &info, &fsp2);
1808
1809         if (!NT_STATUS_IS_OK(status)) {
1810                 close_file(fsp1,ERROR_CLOSE);
1811                 return status;
1812         }
1813
1814         if (sbuf1.st_size) {
1815                 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1816         }
1817
1818         /*
1819          * As we are opening fsp1 read-only we only expect
1820          * an error on close on fsp2 if we are out of space.
1821          * Thus we don't look at the error return from the
1822          * close of fsp1.
1823          */
1824         close_file(fsp1,NORMAL_CLOSE);
1825
1826         /* Ensure the modtime is set correctly on the destination file. */
1827         fsp_set_pending_modtime(fsp2, get_mtimespec(&sbuf1));
1828
1829         status = close_file(fsp2,NORMAL_CLOSE);
1830
1831         /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1832            creates the file. This isn't the correct thing to do in the copy
1833            case. JRA */
1834         file_set_dosmode(conn, newname, fattr, &sbuf2,
1835                          parent_dirname(newname));
1836
1837         if (ret < (SMB_OFF_T)sbuf1.st_size) {
1838                 return NT_STATUS_DISK_FULL;
1839         }
1840
1841         if (!NT_STATUS_IS_OK(status)) {
1842                 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1843                         nt_errstr(status), oldname, newname));
1844         }
1845         return status;
1846 }
1847
1848 /****************************************************************************
1849  Reply to a NT rename request.
1850 ****************************************************************************/
1851
1852 int reply_ntrename(connection_struct *conn,
1853                    char *inbuf,char *outbuf,int length,int bufsize)
1854 {
1855         int outsize = 0;
1856         pstring oldname;
1857         pstring newname;
1858         char *p;
1859         NTSTATUS status;
1860         BOOL src_has_wcard = False;
1861         BOOL dest_has_wcard = False;
1862         uint32 attrs = SVAL(inbuf,smb_vwv0);
1863         uint16 rename_type = SVAL(inbuf,smb_vwv1);
1864         struct smb_request req;
1865
1866         START_PROFILE(SMBntrename);
1867
1868         init_smb_request(&req, (uint8 *)inbuf);
1869
1870         p = smb_buf(inbuf) + 1;
1871         p += srvstr_get_path_wcard(inbuf, SVAL(inbuf,smb_flg2), oldname, p,
1872                                    sizeof(oldname), 0, STR_TERMINATE, &status,
1873                                    &src_has_wcard);
1874         if (!NT_STATUS_IS_OK(status)) {
1875                 END_PROFILE(SMBntrename);
1876                 return ERROR_NT(status);
1877         }
1878
1879         if( is_ntfs_stream_name(oldname)) {
1880                 /* Can't rename a stream. */
1881                 END_PROFILE(SMBntrename);
1882                 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1883         }
1884
1885         if (ms_has_wild(oldname)) {
1886                 END_PROFILE(SMBntrename);
1887                 return ERROR_NT(NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1888         }
1889
1890         p++;
1891         p += srvstr_get_path_wcard(inbuf, SVAL(inbuf,smb_flg2), newname, p,
1892                                    sizeof(newname), 0, STR_TERMINATE, &status,
1893                                    &dest_has_wcard);
1894         if (!NT_STATUS_IS_OK(status)) {
1895                 END_PROFILE(SMBntrename);
1896                 return ERROR_NT(status);
1897         }
1898
1899         status = resolve_dfspath(conn, SVAL(inbuf,smb_flg2) & FLAGS2_DFS_PATHNAMES, oldname);
1900         if (!NT_STATUS_IS_OK(status)) {
1901                 END_PROFILE(SMBntrename);
1902                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1903                         return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED, ERRSRV, ERRbadpath);
1904                 }
1905                 return ERROR_NT(status);
1906         }
1907
1908         status = resolve_dfspath(conn, SVAL(inbuf,smb_flg2) & FLAGS2_DFS_PATHNAMES, newname);
1909         if (!NT_STATUS_IS_OK(status)) {
1910                 END_PROFILE(SMBntrename);
1911                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1912                         return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED, ERRSRV, ERRbadpath);
1913                 }
1914                 return ERROR_NT(status);
1915         }
1916
1917         DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1918
1919         switch(rename_type) {
1920                 case RENAME_FLAG_RENAME:
1921                         status = rename_internals(conn, &req, oldname, newname,
1922                                                   attrs, False, src_has_wcard,
1923                                                   dest_has_wcard);
1924                         break;
1925                 case RENAME_FLAG_HARD_LINK:
1926                         if (src_has_wcard || dest_has_wcard) {
1927                                 /* No wildcards. */
1928                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1929                         } else {
1930                                 status = hardlink_internals(conn, oldname, newname);
1931                         }
1932                         break;
1933                 case RENAME_FLAG_COPY:
1934                         if (src_has_wcard || dest_has_wcard) {
1935                                 /* No wildcards. */
1936                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1937                         } else {
1938                                 status = copy_internals(conn, &req, oldname,
1939                                                         newname, attrs);
1940                         }
1941                         break;
1942                 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1943                         status = NT_STATUS_INVALID_PARAMETER;
1944                         break;
1945                 default:
1946                         status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1947                         break;
1948         }
1949
1950         if (!NT_STATUS_IS_OK(status)) {
1951                 END_PROFILE(SMBntrename);
1952                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1953                         /* We have re-scheduled this call. */
1954                         return -1;
1955                 }
1956                 return ERROR_NT(status);
1957         }
1958
1959         outsize = set_message(inbuf,outbuf,0,0,False);
1960
1961         END_PROFILE(SMBntrename);
1962         return(outsize);
1963 }
1964
1965 /****************************************************************************
1966  Reply to a notify change - queue the request and
1967  don't allow a directory to be opened.
1968 ****************************************************************************/
1969
1970 static int call_nt_transact_notify_change(connection_struct *conn, char *inbuf,
1971                                           char *outbuf, int length,
1972                                           int bufsize,
1973                                           uint16 **ppsetup, uint32 setup_count,
1974                                           char **ppparams,
1975                                           uint32 parameter_count,
1976                                           char **ppdata, uint32 data_count,
1977                                           uint32 max_data_count,
1978                                           uint32 max_param_count)
1979 {
1980         uint16 *setup = *ppsetup;
1981         files_struct *fsp;
1982         uint32 filter;
1983         NTSTATUS status;
1984         BOOL recursive;
1985
1986         if(setup_count < 6) {
1987                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1988         }
1989
1990         fsp = file_fsp((char *)setup,4);
1991         filter = IVAL(setup, 0);
1992         recursive = (SVAL(setup, 6) != 0) ? True : False;
1993
1994         DEBUG(3,("call_nt_transact_notify_change\n"));
1995
1996         if(!fsp) {
1997                 return ERROR_DOS(ERRDOS,ERRbadfid);
1998         }
1999
2000         {
2001                 char *filter_string;
2002
2003                 if (!(filter_string = notify_filter_string(NULL, filter))) {
2004                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2005                 }
2006
2007                 DEBUG(3,("call_nt_transact_notify_change: notify change "
2008                          "called on %s, filter = %s, recursive = %d\n",
2009                          fsp->fsp_name, filter_string, recursive));
2010
2011                 TALLOC_FREE(filter_string);
2012         }
2013
2014         if((!fsp->is_directory) || (conn != fsp->conn)) {
2015                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2016         }
2017
2018         if (fsp->notify == NULL) {
2019
2020                 status = change_notify_create(fsp, filter, recursive);
2021
2022                 if (!NT_STATUS_IS_OK(status)) {
2023                         DEBUG(10, ("change_notify_create returned %s\n",
2024                                    nt_errstr(status)));
2025                         return ERROR_NT(status);
2026                 }
2027         }
2028
2029         if (fsp->notify->num_changes != 0) {
2030
2031                 /*
2032                  * We've got changes pending, respond immediately
2033                  */
2034
2035                 /*
2036                  * TODO: write a torture test to check the filtering behaviour
2037                  * here.
2038                  */
2039
2040                 change_notify_reply(inbuf, fsp->notify);
2041
2042                 /*
2043                  * change_notify_reply() above has independently sent its
2044                  * results
2045                  */
2046                 return -1;
2047         }
2048
2049         /*
2050          * No changes pending, queue the request
2051          */
2052
2053         status = change_notify_add_request(inbuf, filter, recursive, fsp);
2054         if (!NT_STATUS_IS_OK(status)) {
2055                 return ERROR_NT(status);
2056         }
2057
2058         return -1;
2059 }
2060
2061 /****************************************************************************
2062  Reply to an NT transact rename command.
2063 ****************************************************************************/
2064
2065 static int call_nt_transact_rename(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2066                                   uint16 **ppsetup, uint32 setup_count,
2067                                   char **ppparams, uint32 parameter_count,
2068                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2069 {
2070         char *params = *ppparams;
2071         pstring new_name;
2072         files_struct *fsp = NULL;
2073         BOOL replace_if_exists = False;
2074         BOOL dest_has_wcard = False;
2075         NTSTATUS status;
2076         struct smb_request req;
2077
2078         init_smb_request(&req, (uint8 *)inbuf);
2079
2080         if(parameter_count < 5) {
2081                 return ERROR_DOS(ERRDOS,ERRbadfunc);
2082         }
2083
2084         fsp = file_fsp(params, 0);
2085         replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
2086         CHECK_FSP(fsp, conn);
2087         srvstr_get_path_wcard(inbuf, SVAL(inbuf,smb_flg2), new_name, params+4,
2088                               sizeof(new_name), parameter_count - 4,
2089                               STR_TERMINATE, &status, &dest_has_wcard);
2090         if (!NT_STATUS_IS_OK(status)) {
2091                 return ERROR_NT(status);
2092         }
2093
2094         status = rename_internals(conn, &req, fsp->fsp_name,
2095                                   new_name, 0, replace_if_exists, False, dest_has_wcard);
2096
2097         if (!NT_STATUS_IS_OK(status)) {
2098                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
2099                         /* We have re-scheduled this call. */
2100                         return -1;
2101                 }
2102                 return ERROR_NT(status);
2103         }
2104
2105         /*
2106          * Rename was successful.
2107          */
2108         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2109
2110         DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
2111                  fsp->fsp_name, new_name));
2112
2113         return -1;
2114 }
2115
2116 /******************************************************************************
2117  Fake up a completely empty SD.
2118 *******************************************************************************/
2119
2120 static size_t get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
2121 {
2122         size_t sd_size;
2123
2124         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
2125         if(!*ppsd) {
2126                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
2127                 sd_size = 0;
2128         }
2129
2130         return sd_size;
2131 }
2132
2133 /****************************************************************************
2134  Reply to query a security descriptor.
2135 ****************************************************************************/
2136
2137 static int call_nt_transact_query_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2138                                   uint16 **ppsetup, uint32 setup_count,
2139                                   char **ppparams, uint32 parameter_count,
2140                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2141 {
2142         char *params = *ppparams;
2143         char *data = *ppdata;
2144         prs_struct pd;
2145         SEC_DESC *psd = NULL;
2146         size_t sd_size;
2147         uint32 security_info_wanted;
2148         TALLOC_CTX *mem_ctx;
2149         files_struct *fsp = NULL;
2150
2151         if(parameter_count < 8) {
2152                 return ERROR_DOS(ERRDOS,ERRbadfunc);
2153         }
2154
2155         fsp = file_fsp(params,0);
2156         if(!fsp) {
2157                 return ERROR_DOS(ERRDOS,ERRbadfid);
2158         }
2159
2160         security_info_wanted = IVAL(params,4);
2161
2162         DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
2163                         (unsigned int)security_info_wanted ));
2164
2165         params = nttrans_realloc(ppparams, 4);
2166         if(params == NULL) {
2167                 return ERROR_DOS(ERRDOS,ERRnomem);
2168         }
2169
2170         if ((mem_ctx = talloc_init("call_nt_transact_query_security_desc")) == NULL) {
2171                 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
2172                 return ERROR_DOS(ERRDOS,ERRnomem);
2173         }
2174
2175         /*
2176          * Get the permissions to return.
2177          */
2178
2179         if (!lp_nt_acl_support(SNUM(conn))) {
2180                 sd_size = get_null_nt_acl(mem_ctx, &psd);
2181         } else {
2182                 sd_size = SMB_VFS_FGET_NT_ACL(fsp, fsp->fh->fd, security_info_wanted, &psd);
2183         }
2184
2185         if (sd_size == 0) {
2186                 talloc_destroy(mem_ctx);
2187                 return(UNIXERROR(ERRDOS,ERRnoaccess));
2188         }
2189
2190         DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
2191
2192         SIVAL(params,0,(uint32)sd_size);
2193
2194         if(max_data_count < sd_size) {
2195
2196                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_BUFFER_TOO_SMALL,
2197                                 params, 4, *ppdata, 0);
2198                 talloc_destroy(mem_ctx);
2199                 return -1;
2200         }
2201
2202         /*
2203          * Allocate the data we will point this at.
2204          */
2205
2206         data = nttrans_realloc(ppdata, sd_size);
2207         if(data == NULL) {
2208                 talloc_destroy(mem_ctx);
2209                 return ERROR_DOS(ERRDOS,ERRnomem);
2210         }
2211
2212         /*
2213          * Init the parse struct we will marshall into.
2214          */
2215
2216         prs_init(&pd, 0, mem_ctx, MARSHALL);
2217
2218         /*
2219          * Setup the prs_struct to point at the memory we just
2220          * allocated.
2221          */
2222
2223         prs_give_memory( &pd, data, (uint32)sd_size, False);
2224
2225         /*
2226          * Finally, linearize into the outgoing buffer.
2227          */
2228
2229         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
2230                 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
2231 security descriptor.\n"));
2232                 /*
2233                  * Return access denied for want of a better error message..
2234                  */
2235                 talloc_destroy(mem_ctx);
2236                 return(UNIXERROR(ERRDOS,ERRnoaccess));
2237         }
2238
2239         /*
2240          * Now we can delete the security descriptor.
2241          */
2242
2243         talloc_destroy(mem_ctx);
2244
2245         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 4, data,
2246                         (int)sd_size);
2247         return -1;
2248 }
2249
2250 /****************************************************************************
2251  Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2252 ****************************************************************************/
2253
2254 static int call_nt_transact_set_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2255                                   uint16 **ppsetup, uint32 setup_count,
2256                                   char **ppparams, uint32 parameter_count,
2257                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2258 {
2259         char *params= *ppparams;
2260         char *data = *ppdata;
2261         files_struct *fsp = NULL;
2262         uint32 security_info_sent = 0;
2263         NTSTATUS nt_status;
2264
2265         if(parameter_count < 8) {
2266                 return ERROR_DOS(ERRDOS,ERRbadfunc);
2267         }
2268
2269         if((fsp = file_fsp(params,0)) == NULL) {
2270                 return ERROR_DOS(ERRDOS,ERRbadfid);
2271         }
2272
2273         if(!lp_nt_acl_support(SNUM(conn))) {
2274                 goto done;
2275         }
2276
2277         security_info_sent = IVAL(params,4);
2278
2279         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
2280                 (unsigned int)security_info_sent ));
2281
2282         if (data_count == 0) {
2283                 return ERROR_DOS(ERRDOS, ERRnoaccess);
2284         }
2285
2286         if (!NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, data_count, security_info_sent))) {
2287                 return ERROR_NT(nt_status);
2288         }
2289
2290   done:
2291
2292         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2293         return -1;
2294 }
2295
2296 /****************************************************************************
2297  Reply to NT IOCTL
2298 ****************************************************************************/
2299
2300 static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2301                                   uint16 **ppsetup, uint32 setup_count,
2302                                   char **ppparams, uint32 parameter_count,
2303                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2304 {
2305         uint32 function;
2306         uint16 fidnum;
2307         files_struct *fsp;
2308         uint8 isFSctl;
2309         uint8 compfilter;
2310         static BOOL logged_message;
2311         char *pdata = *ppdata;
2312
2313         if (setup_count != 8) {
2314                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2315                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2316         }
2317
2318         function = IVAL(*ppsetup, 0);
2319         fidnum = SVAL(*ppsetup, 4);
2320         isFSctl = CVAL(*ppsetup, 6);
2321         compfilter = CVAL(*ppsetup, 7);
2322
2323         DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2324                  function, fidnum, isFSctl, compfilter));
2325
2326         fsp=file_fsp((char *)*ppsetup, 4);
2327         /* this check is done in each implemented function case for now
2328            because I don't want to break anything... --metze
2329         FSP_BELONGS_CONN(fsp,conn);*/
2330
2331         switch (function) {
2332         case FSCTL_SET_SPARSE:
2333                 /* pretend this succeeded - tho strictly we should
2334                    mark the file sparse (if the local fs supports it)
2335                    so we can know if we need to pre-allocate or not */
2336
2337                 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2338                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL,
2339                                 0);
2340                 return -1;
2341
2342         case FSCTL_CREATE_OR_GET_OBJECT_ID:
2343         {
2344                 unsigned char objid[16];
2345
2346                 /* This should return the object-id on this file.
2347                  * I think I'll make this be the inode+dev. JRA.
2348                  */
2349
2350                 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
2351
2352                 data_count = 64;
2353                 pdata = nttrans_realloc(ppdata, data_count);
2354                 if (pdata == NULL) {
2355                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2356                 }
2357                 push_file_id_16(pdata, &fsp->file_id);
2358                 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
2359                 push_file_id_16(pdata+32, &fsp->file_id);
2360                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, pdata, data_count);
2361                 return -1;
2362         }
2363
2364         case FSCTL_GET_REPARSE_POINT:
2365                 /* pretend this fail - my winXP does it like this
2366                  * --metze
2367                  */
2368
2369                 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2370                 return ERROR_NT(NT_STATUS_NOT_A_REPARSE_POINT);
2371
2372         case FSCTL_SET_REPARSE_POINT:
2373                 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2374                  * --metze
2375                  */
2376
2377                 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2378                 return ERROR_NT(NT_STATUS_NOT_A_REPARSE_POINT);
2379
2380         case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2381         {
2382                 /*
2383                  * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2384                  * and return their volume names.  If max_data_count is 16, then it is just
2385                  * asking for the number of volumes and length of the combined names.
2386                  *
2387                  * pdata is the data allocated by our caller, but that uses
2388                  * total_data_count (which is 0 in our case) rather than max_data_count.
2389                  * Allocate the correct amount and return the pointer to let
2390                  * it be deallocated when we return.
2391                  */
2392                 SHADOW_COPY_DATA *shadow_data = NULL;
2393                 TALLOC_CTX *shadow_mem_ctx = NULL;
2394                 BOOL labels = False;
2395                 uint32 labels_data_count = 0;
2396                 uint32 i;
2397                 char *cur_pdata;
2398
2399                 FSP_BELONGS_CONN(fsp,conn);
2400
2401                 if (max_data_count < 16) {
2402                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2403                                 max_data_count));
2404                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2405                 }
2406
2407                 if (max_data_count > 16) {
2408                         labels = True;
2409                 }
2410
2411                 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2412                 if (shadow_mem_ctx == NULL) {
2413                         DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2414                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2415                 }
2416
2417                 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2418                 if (shadow_data == NULL) {
2419                         DEBUG(0,("TALLOC_ZERO() failed!\n"));
2420                         talloc_destroy(shadow_mem_ctx);
2421                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2422                 }
2423
2424                 shadow_data->mem_ctx = shadow_mem_ctx;
2425
2426                 /*
2427                  * Call the VFS routine to actually do the work.
2428                  */
2429                 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2430                         talloc_destroy(shadow_data->mem_ctx);
2431                         if (errno == ENOSYS) {
2432                                 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2433                                         conn->connectpath));
2434                                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2435                         } else {
2436                                 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2437                                         conn->connectpath));
2438                                 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
2439                         }
2440                 }
2441
2442                 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2443
2444                 if (!labels) {
2445                         data_count = 16;
2446                 } else {
2447                         data_count = 12+labels_data_count+4;
2448                 }
2449
2450                 if (max_data_count<data_count) {
2451                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2452                                 max_data_count,data_count));
2453                         talloc_destroy(shadow_data->mem_ctx);
2454                         return ERROR_NT(NT_STATUS_BUFFER_TOO_SMALL);
2455                 }
2456
2457                 pdata = nttrans_realloc(ppdata, data_count);
2458                 if (pdata == NULL) {
2459                         talloc_destroy(shadow_data->mem_ctx);
2460                         return ERROR_NT(NT_STATUS_NO_MEMORY);
2461                 }
2462
2463                 cur_pdata = pdata;
2464
2465                 /* num_volumes 4 bytes */
2466                 SIVAL(pdata,0,shadow_data->num_volumes);
2467
2468                 if (labels) {
2469                         /* num_labels 4 bytes */
2470                         SIVAL(pdata,4,shadow_data->num_volumes);
2471                 }
2472
2473                 /* needed_data_count 4 bytes */
2474                 SIVAL(pdata,8,labels_data_count);
2475
2476                 cur_pdata+=12;
2477
2478                 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2479                         shadow_data->num_volumes,fsp->fsp_name));
2480                 if (labels && shadow_data->labels) {
2481                         for (i=0;i<shadow_data->num_volumes;i++) {
2482                                 srvstr_push(outbuf, cur_pdata, shadow_data->labels[i], 2*sizeof(SHADOW_COPY_LABEL), STR_UNICODE|STR_TERMINATE);
2483                                 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2484                                 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2485                         }
2486                 }
2487
2488                 talloc_destroy(shadow_data->mem_ctx);
2489
2490                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0,
2491                                 pdata, data_count);
2492
2493                 return -1;
2494         }
2495
2496         case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2497         {
2498                 /* pretend this succeeded -
2499                  *
2500                  * we have to send back a list with all files owned by this SID
2501                  *
2502                  * but I have to check that --metze
2503                  */
2504                 DOM_SID sid;
2505                 uid_t uid;
2506                 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2507
2508                 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2509
2510                 FSP_BELONGS_CONN(fsp,conn);
2511
2512                 /* unknown 4 bytes: this is not the length of the sid :-(  */
2513                 /*unknown = IVAL(pdata,0);*/
2514
2515                 sid_parse(pdata+4,sid_len,&sid);
2516                 DEBUGADD(10,("for SID: %s\n",sid_string_static(&sid)));
2517
2518                 if (!sid_to_uid(&sid, &uid)) {
2519                         DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2520                                 sid_string_static(&sid),(unsigned long)sid_len));
2521                         uid = (-1);
2522                 }
2523
2524                 /* we can take a look at the find source :-)
2525                  *
2526                  * find ./ -uid $uid  -name '*'   is what we need here
2527                  *
2528                  *
2529                  * and send 4bytes len and then NULL terminated unicode strings
2530                  * for each file
2531                  *
2532                  * but I don't know how to deal with the paged results
2533                  * (maybe we can hang the result anywhere in the fsp struct)
2534                  *
2535                  * we don't send all files at once
2536                  * and at the next we should *not* start from the beginning,
2537                  * so we have to cache the result
2538                  *
2539                  * --metze
2540                  */
2541
2542                 /* this works for now... */
2543                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0,
2544                                 NULL, 0);
2545                 return -1;
2546         }
2547         default:
2548                 if (!logged_message) {
2549                         logged_message = True; /* Only print this once... */
2550                         DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2551                                  function));
2552                 }
2553         }
2554
2555         return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2556 }
2557
2558
2559 #ifdef HAVE_SYS_QUOTAS
2560 /****************************************************************************
2561  Reply to get user quota
2562 ****************************************************************************/
2563
2564 static int call_nt_transact_get_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2565                                   uint16 **ppsetup, uint32 setup_count,
2566                                   char **ppparams, uint32 parameter_count,
2567                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2568 {
2569         NTSTATUS nt_status = NT_STATUS_OK;
2570         char *params = *ppparams;
2571         char *pdata = *ppdata;
2572         char *entry;
2573         int data_len=0,param_len=0;
2574         int qt_len=0;
2575         int entry_len = 0;
2576         files_struct *fsp = NULL;
2577         uint16 level = 0;
2578         size_t sid_len;
2579         DOM_SID sid;
2580         BOOL start_enum = True;
2581         SMB_NTQUOTA_STRUCT qt;
2582         SMB_NTQUOTA_LIST *tmp_list;
2583         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2584
2585         ZERO_STRUCT(qt);
2586
2587         /* access check */
2588         if (current_user.ut.uid != 0) {
2589                 DEBUG(1,("get_user_quota: access_denied service [%s] user [%s]\n",
2590                         lp_servicename(SNUM(conn)),conn->user));
2591                 return ERROR_DOS(ERRDOS,ERRnoaccess);
2592         }
2593
2594         /*
2595          * Ensure minimum number of parameters sent.
2596          */
2597
2598         if (parameter_count < 4) {
2599                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2600                 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2601         }
2602
2603         /* maybe we can check the quota_fnum */
2604         fsp = file_fsp(params,0);
2605         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2606                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2607                 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2608         }
2609
2610         /* the NULL pointer checking for fsp->fake_file_handle->pd
2611          * is done by CHECK_NTQUOTA_HANDLE_OK()
2612          */
2613         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
2614
2615         level = SVAL(params,2);
2616
2617         /* unknown 12 bytes leading in params */
2618
2619         switch (level) {
2620                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2621                         /* seems that we should continue with the enum here --metze */
2622
2623                         if (qt_handle->quota_list!=NULL &&
2624                             qt_handle->tmp_list==NULL) {
2625
2626                                 /* free the list */
2627                                 free_ntquota_list(&(qt_handle->quota_list));
2628
2629                                 /* Realloc the size of parameters and data we will return */
2630                                 param_len = 4;
2631                                 params = nttrans_realloc(ppparams, param_len);
2632                                 if(params == NULL) {
2633                                         return ERROR_DOS(ERRDOS,ERRnomem);
2634                                 }
2635
2636                                 data_len = 0;
2637                                 SIVAL(params,0,data_len);
2638
2639                                 break;
2640                         }
2641
2642                         start_enum = False;
2643
2644                 case TRANSACT_GET_USER_QUOTA_LIST_START:
2645
2646                         if (qt_handle->quota_list==NULL &&
2647                                 qt_handle->tmp_list==NULL) {
2648                                 start_enum = True;
2649                         }
2650
2651                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0)
2652                                 return ERROR_DOS(ERRSRV,ERRerror);
2653
2654                         /* Realloc the size of parameters and data we will return */
2655                         param_len = 4;
2656                         params = nttrans_realloc(ppparams, param_len);
2657                         if(params == NULL) {
2658                                 return ERROR_DOS(ERRDOS,ERRnomem);
2659                         }
2660
2661                         /* we should not trust the value in max_data_count*/
2662                         max_data_count = MIN(max_data_count,2048);
2663
2664                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2665                         if(pdata == NULL) {
2666                                 return ERROR_DOS(ERRDOS,ERRnomem);
2667                         }
2668
2669                         entry = pdata;
2670
2671                         /* set params Size of returned Quota Data 4 bytes*/
2672                         /* but set it later when we know it */
2673
2674                         /* for each entry push the data */
2675
2676                         if (start_enum) {
2677                                 qt_handle->tmp_list = qt_handle->quota_list;
2678                         }
2679
2680                         tmp_list = qt_handle->tmp_list;
2681
2682                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2683                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2684
2685                                 sid_len = sid_size(&tmp_list->quotas->sid);
2686                                 entry_len = 40 + sid_len;
2687
2688                                 /* nextoffset entry 4 bytes */
2689                                 SIVAL(entry,0,entry_len);
2690
2691                                 /* then the len of the SID 4 bytes */
2692                                 SIVAL(entry,4,sid_len);
2693
2694                                 /* unknown data 8 bytes SMB_BIG_UINT */
2695                                 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2696
2697                                 /* the used disk space 8 bytes SMB_BIG_UINT */
2698                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2699
2700                                 /* the soft quotas 8 bytes SMB_BIG_UINT */
2701                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2702
2703                                 /* the hard quotas 8 bytes SMB_BIG_UINT */
2704                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2705
2706                                 /* and now the SID */
2707                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2708                         }
2709
2710                         qt_handle->tmp_list = tmp_list;
2711
2712                         /* overwrite the offset of the last entry */
2713                         SIVAL(entry-entry_len,0,0);
2714
2715                         data_len = 4+qt_len;
2716                         /* overwrite the params quota_data_len */
2717                         SIVAL(params,0,data_len);
2718
2719                         break;
2720
2721                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2722
2723                         /* unknown 4 bytes IVAL(pdata,0) */
2724
2725                         if (data_count < 8) {
2726                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2727                                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2728                         }
2729
2730                         sid_len = IVAL(pdata,4);
2731                         /* Ensure this is less than 1mb. */
2732                         if (sid_len > (1024*1024)) {
2733                                 return ERROR_DOS(ERRDOS,ERRnomem);
2734                         }
2735
2736                         if (data_count < 8+sid_len) {
2737                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2738                                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2739                         }
2740
2741                         data_len = 4+40+sid_len;
2742
2743                         if (max_data_count < data_len) {
2744                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2745                                         max_data_count, data_len));
2746                                 param_len = 4;
2747                                 SIVAL(params,0,data_len);
2748                                 data_len = 0;
2749                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2750                                 break;
2751                         }
2752
2753                         sid_parse(pdata+8,sid_len,&sid);
2754
2755                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2756                                 ZERO_STRUCT(qt);
2757                                 /*
2758                                  * we have to return zero's in all fields
2759                                  * instead of returning an error here
2760                                  * --metze
2761                                  */
2762                         }
2763
2764                         /* Realloc the size of parameters and data we will return */
2765                         param_len = 4;
2766                         params = nttrans_realloc(ppparams, param_len);
2767                         if(params == NULL) {
2768                                 return ERROR_DOS(ERRDOS,ERRnomem);
2769                         }
2770
2771                         pdata = nttrans_realloc(ppdata, data_len);
2772                         if(pdata == NULL) {
2773                                 return ERROR_DOS(ERRDOS,ERRnomem);
2774                         }
2775
2776                         entry = pdata;
2777
2778                         /* set params Size of returned Quota Data 4 bytes*/
2779                         SIVAL(params,0,data_len);
2780
2781                         /* nextoffset entry 4 bytes */
2782                         SIVAL(entry,0,0);
2783
2784                         /* then the len of the SID 4 bytes */
2785                         SIVAL(entry,4,sid_len);
2786
2787                         /* unknown data 8 bytes SMB_BIG_UINT */
2788                         SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
2789
2790                         /* the used disk space 8 bytes SMB_BIG_UINT */
2791                         SBIG_UINT(entry,16,qt.usedspace);
2792
2793                         /* the soft quotas 8 bytes SMB_BIG_UINT */
2794                         SBIG_UINT(entry,24,qt.softlim);
2795
2796                         /* the hard quotas 8 bytes SMB_BIG_UINT */
2797                         SBIG_UINT(entry,32,qt.hardlim);
2798
2799                         /* and now the SID */
2800                         sid_linearize(entry+40, sid_len, &sid);
2801
2802                         break;
2803
2804                 default:
2805                         DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2806                         return ERROR_DOS(ERRSRV,ERRerror);
2807                         break;
2808         }
2809
2810         send_nt_replies(inbuf, outbuf, bufsize, nt_status, params, param_len,
2811                         pdata, data_len);
2812
2813         return -1;
2814 }
2815
2816 /****************************************************************************
2817  Reply to set user quota
2818 ****************************************************************************/
2819
2820 static int call_nt_transact_set_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2821                                   uint16 **ppsetup, uint32 setup_count,
2822                                   char **ppparams, uint32 parameter_count,
2823                                   char **ppdata, uint32 data_count, uint32 max_data_count)
2824 {
2825         char *params = *ppparams;
2826         char *pdata = *ppdata;
2827         int data_len=0,param_len=0;
2828         SMB_NTQUOTA_STRUCT qt;
2829         size_t sid_len;
2830         DOM_SID sid;
2831         files_struct *fsp = NULL;
2832
2833         ZERO_STRUCT(qt);
2834
2835         /* access check */
2836         if (current_user.ut.uid != 0) {
2837                 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
2838                         lp_servicename(SNUM(conn)),conn->user));
2839                 return ERROR_DOS(ERRDOS,ERRnoaccess);
2840         }
2841
2842         /*
2843          * Ensure minimum number of parameters sent.
2844          */
2845
2846         if (parameter_count < 2) {
2847                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2848                 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2849         }
2850
2851         /* maybe we can check the quota_fnum */
2852         fsp = file_fsp(params,0);
2853         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2854                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2855                 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2856         }
2857
2858         if (data_count < 40) {
2859                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2860                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2861         }
2862
2863         /* offset to next quota record.
2864          * 4 bytes IVAL(pdata,0)
2865          * unused here...
2866          */
2867
2868         /* sid len */
2869         sid_len = IVAL(pdata,4);
2870
2871         if (data_count < 40+sid_len) {
2872                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2873                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2874         }
2875
2876         /* unknown 8 bytes in pdata
2877          * maybe its the change time in NTTIME
2878          */
2879
2880         /* the used space 8 bytes (SMB_BIG_UINT)*/
2881         qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
2882 #ifdef LARGE_SMB_OFF_T
2883         qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
2884 #else /* LARGE_SMB_OFF_T */
2885         if ((IVAL(pdata,20) != 0)&&
2886                 ((qt.usedspace != 0xFFFFFFFF)||
2887                 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2888                 /* more than 32 bits? */
2889                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2890         }
2891 #endif /* LARGE_SMB_OFF_T */
2892
2893         /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
2894         qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
2895 #ifdef LARGE_SMB_OFF_T
2896         qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
2897 #else /* LARGE_SMB_OFF_T */
2898         if ((IVAL(pdata,28) != 0)&&
2899                 ((qt.softlim != 0xFFFFFFFF)||
2900                 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2901                 /* more than 32 bits? */
2902                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2903         }
2904 #endif /* LARGE_SMB_OFF_T */
2905
2906         /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
2907         qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
2908 #ifdef LARGE_SMB_OFF_T
2909         qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
2910 #else /* LARGE_SMB_OFF_T */
2911         if ((IVAL(pdata,36) != 0)&&
2912                 ((qt.hardlim != 0xFFFFFFFF)||
2913                 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2914                 /* more than 32 bits? */
2915                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2916         }
2917 #endif /* LARGE_SMB_OFF_T */
2918
2919         sid_parse(pdata+40,sid_len,&sid);
2920         DEBUGADD(8,("SID: %s\n",sid_string_static(&sid)));
2921
2922         /* 44 unknown bytes left... */
2923
2924         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2925                 return ERROR_DOS(ERRSRV,ERRerror);
2926         }
2927
2928         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, param_len,
2929                         pdata, data_len);
2930
2931         return -1;
2932 }
2933 #endif /* HAVE_SYS_QUOTAS */
2934
2935 static int handle_nttrans(connection_struct *conn,
2936                           struct trans_state *state,
2937                           char *inbuf, char *outbuf, int size, int bufsize)
2938 {
2939         int outsize;
2940
2941         if (Protocol >= PROTOCOL_NT1) {
2942                 SSVAL(outbuf,smb_flg2,SVAL(outbuf,smb_flg2) | 0x40); /* IS_LONG_NAME */
2943         }
2944
2945         /* Now we must call the relevant NT_TRANS function */
2946         switch(state->call) {
2947                 case NT_TRANSACT_CREATE:
2948                 {
2949                         START_PROFILE(NT_transact_create);
2950                         outsize = call_nt_transact_create(conn, inbuf, outbuf,
2951                                                           size, bufsize,
2952                                                         &state->setup, state->setup_count,
2953                                                         &state->param, state->total_param,
2954                                                         &state->data, state->total_data,
2955                                                           state->max_data_return);
2956                         END_PROFILE(NT_transact_create);
2957                         break;
2958                 }
2959
2960                 case NT_TRANSACT_IOCTL:
2961                 {
2962                         START_PROFILE(NT_transact_ioctl);
2963                         outsize = call_nt_transact_ioctl(conn, inbuf, outbuf,
2964                                                          size, bufsize,
2965                                                          &state->setup, state->setup_count,
2966                                                          &state->param, state->total_param,
2967                                                          &state->data, state->total_data, state->max_data_return);
2968                         END_PROFILE(NT_transact_ioctl);
2969                         break;
2970                 }
2971
2972                 case NT_TRANSACT_SET_SECURITY_DESC:
2973                 {
2974                         START_PROFILE(NT_transact_set_security_desc);
2975                         outsize = call_nt_transact_set_security_desc(conn, inbuf, outbuf,
2976                                                          size, bufsize,
2977                                                          &state->setup, state->setup_count,
2978                                                          &state->param, state->total_param,
2979                                                          &state->data, state->total_data, state->max_data_return);
2980                         END_PROFILE(NT_transact_set_security_desc);
2981                         break;
2982                 }
2983
2984                 case NT_TRANSACT_NOTIFY_CHANGE:
2985                 {
2986                         START_PROFILE(NT_transact_notify_change);
2987                         outsize = call_nt_transact_notify_change(
2988                                 conn, inbuf, outbuf, size, bufsize,
2989                                 &state->setup, state->setup_count,
2990                                 &state->param, state->total_param,
2991                                 &state->data, state->total_data,
2992                                 state->max_data_return,
2993                                 state->max_param_return);
2994                         END_PROFILE(NT_transact_notify_change);
2995                         break;
2996                 }
2997
2998                 case NT_TRANSACT_RENAME:
2999                 {
3000                         START_PROFILE(NT_transact_rename);
3001                         outsize = call_nt_transact_rename(conn, inbuf, outbuf,
3002                                                          size, bufsize,
3003                                                          &state->setup, state->setup_count,
3004                                                          &state->param, state->total_param,
3005                                                          &state->data, state->total_data, state->max_data_return);
3006                         END_PROFILE(NT_transact_rename);
3007                         break;
3008                 }
3009
3010                 case NT_TRANSACT_QUERY_SECURITY_DESC:
3011                 {
3012                         START_PROFILE(NT_transact_query_security_desc);
3013                         outsize = call_nt_transact_query_security_desc(conn, inbuf, outbuf,
3014                                                          size, bufsize,
3015                                                          &state->setup, state->setup_count,
3016                                                          &state->param, state->total_param,
3017                                                          &state->data, state->total_data, state->max_data_return);
3018                         END_PROFILE(NT_transact_query_security_desc);
3019                         break;
3020                 }
3021
3022 #ifdef HAVE_SYS_QUOTAS
3023                 case NT_TRANSACT_GET_USER_QUOTA:
3024                 {
3025                         START_PROFILE(NT_transact_get_user_quota);
3026                         outsize = call_nt_transact_get_user_quota(conn, inbuf, outbuf,
3027                                                          size, bufsize,
3028                                                          &state->setup, state->setup_count,
3029                                                          &state->param, state->total_param,
3030                                                          &state->data, state->total_data, state->max_data_return);
3031                         END_PROFILE(NT_transact_get_user_quota);
3032                         break;
3033                 }
3034
3035                 case NT_TRANSACT_SET_USER_QUOTA:
3036                 {
3037                         START_PROFILE(NT_transact_set_user_quota);
3038                         outsize = call_nt_transact_set_user_quota(conn, inbuf, outbuf,
3039                                                          size, bufsize,
3040                                                          &state->setup, state->setup_count,
3041                                                          &state->param, state->total_param,
3042                                                          &state->data, state->total_data, state->max_data_return);
3043                         END_PROFILE(NT_transact_set_user_quota);
3044                         break;
3045                 }
3046 #endif /* HAVE_SYS_QUOTAS */
3047
3048                 default:
3049                         /* Error in request */
3050                         DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n",
3051                                  state->call));
3052                         return ERROR_DOS(ERRSRV,ERRerror);
3053         }
3054         return outsize;
3055 }
3056
3057 /****************************************************************************
3058  Reply to a SMBNTtrans.
3059 ****************************************************************************/
3060
3061 int reply_nttrans(connection_struct *conn,
3062                         char *inbuf,char *outbuf,int size,int bufsize)
3063 {
3064         int  outsize = 0;
3065         uint32 pscnt = IVAL(inbuf,smb_nt_ParameterCount);
3066         uint32 psoff = IVAL(inbuf,smb_nt_ParameterOffset);
3067         uint32 dscnt = IVAL(inbuf,smb_nt_DataCount);
3068         uint32 dsoff = IVAL(inbuf,smb_nt_DataOffset);
3069
3070         uint16 function_code = SVAL( inbuf, smb_nt_Function);
3071         NTSTATUS result;
3072         struct trans_state *state;
3073
3074         START_PROFILE(SMBnttrans);
3075
3076         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
3077                 END_PROFILE(SMBnttrans);
3078                 return ERROR_DOS(ERRSRV,ERRaccess);
3079         }
3080
3081         result = allow_new_trans(conn->pending_trans, SVAL(inbuf, smb_mid));
3082         if (!NT_STATUS_IS_OK(result)) {
3083                 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
3084                 END_PROFILE(SMBnttrans);
3085                 return ERROR_NT(result);
3086         }
3087
3088         if ((state = TALLOC_P(conn->mem_ctx, struct trans_state)) == NULL) {
3089                 END_PROFILE(SMBnttrans);
3090                 return ERROR_DOS(ERRSRV,ERRaccess);
3091         }
3092
3093         state->cmd = SMBnttrans;
3094
3095         state->mid = SVAL(inbuf,smb_mid);
3096         state->vuid = SVAL(inbuf,smb_uid);
3097         state->total_data = IVAL(inbuf, smb_nt_TotalDataCount);
3098         state->data = NULL;
3099         state->total_param = IVAL(inbuf, smb_nt_TotalParameterCount);
3100         state->param = NULL;
3101         state->max_data_return = IVAL(inbuf,smb_nt_MaxDataCount);
3102         state->max_param_return = IVAL(inbuf,smb_nt_MaxParameterCount);
3103
3104         /* setup count is in *words* */
3105         state->setup_count = 2*CVAL(inbuf,smb_nt_SetupCount);
3106         state->setup = NULL;
3107         state->call = function_code;
3108
3109         /*
3110          * All nttrans messages we handle have smb_wct == 19 +
3111          * state->setup_count.  Ensure this is so as a sanity check.
3112          */
3113
3114         if(CVAL(inbuf, smb_wct) != 19 + (state->setup_count/2)) {
3115                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
3116                         CVAL(inbuf, smb_wct), 19 + (state->setup_count/2)));
3117                 goto bad_param;
3118         }
3119
3120         /* Don't allow more than 128mb for each value. */
3121         if ((state->total_data > (1024*1024*128)) ||
3122             (state->total_param > (1024*1024*128))) {
3123                 END_PROFILE(SMBnttrans);
3124                 return ERROR_DOS(ERRDOS,ERRnomem);
3125         }
3126
3127         if ((dscnt > state->total_data) || (pscnt > state->total_param))
3128                 goto bad_param;
3129
3130         if (state->total_data)  {
3131                 /* Can't use talloc here, the core routines do realloc on the
3132                  * params and data. */
3133                 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
3134                         DEBUG(0,("reply_nttrans: data malloc fail for %u "
3135                                  "bytes !\n", (unsigned int)state->total_data));
3136                         TALLOC_FREE(state);
3137                         END_PROFILE(SMBnttrans);
3138                         return(ERROR_DOS(ERRDOS,ERRnomem));
3139                 }
3140                 if ((dsoff+dscnt < dsoff) || (dsoff+dscnt < dscnt))
3141                         goto bad_param;
3142                 if ((smb_base(inbuf)+dsoff+dscnt > inbuf + size) ||
3143                     (smb_base(inbuf)+dsoff+dscnt < smb_base(inbuf)))
3144                         goto bad_param;
3145
3146                 memcpy(state->data,smb_base(inbuf)+dsoff,dscnt);
3147         }
3148
3149         if (state->total_param) {
3150                 /* Can't use talloc here, the core routines do realloc on the
3151                  * params and data. */
3152                 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
3153                         DEBUG(0,("reply_nttrans: param malloc fail for %u "
3154                                  "bytes !\n", (unsigned int)state->total_param));
3155                         SAFE_FREE(state->data);
3156                         TALLOC_FREE(state);
3157                         END_PROFILE(SMBnttrans);
3158                         return(ERROR_DOS(ERRDOS,ERRnomem));
3159                 }
3160                 if ((psoff+pscnt < psoff) || (psoff+pscnt < pscnt))
3161                         goto bad_param;
3162                 if ((smb_base(inbuf)+psoff+pscnt > inbuf + size) ||
3163                     (smb_base(inbuf)+psoff+pscnt < smb_base(inbuf)))
3164                         goto bad_param;
3165
3166                 memcpy(state->param,smb_base(inbuf)+psoff,pscnt);
3167         }
3168
3169         state->received_data  = dscnt;
3170         state->received_param = pscnt;
3171
3172         if(state->setup_count > 0) {
3173                 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
3174                           state->setup_count));
3175                 state->setup = (uint16 *)TALLOC(state, state->setup_count);
3176                 if (state->setup == NULL) {
3177                         DEBUG(0,("reply_nttrans : Out of memory\n"));
3178                         SAFE_FREE(state->data);
3179                         SAFE_FREE(state->param);
3180                         TALLOC_FREE(state);
3181                         END_PROFILE(SMBnttrans);
3182                         return ERROR_DOS(ERRDOS,ERRnomem);
3183                 }
3184
3185                 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
3186                     (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
3187                         goto bad_param;
3188                 }
3189                 if (smb_nt_SetupStart + state->setup_count > size) {
3190                         goto bad_param;
3191                 }
3192
3193                 memcpy( state->setup, &inbuf[smb_nt_SetupStart], state->setup_count);
3194                 dump_data(10, (uint8 *)state->setup, state->setup_count);
3195         }
3196
3197         if ((state->received_data == state->total_data) &&
3198             (state->received_param == state->total_param)) {
3199                 outsize = handle_nttrans(conn, state, inbuf, outbuf,
3200                                          size, bufsize);
3201                 SAFE_FREE(state->param);
3202                 SAFE_FREE(state->data);
3203                 TALLOC_FREE(state);
3204                 END_PROFILE(SMBnttrans);
3205                 return outsize;
3206         }
3207
3208         DLIST_ADD(conn->pending_trans, state);
3209
3210         /* We need to send an interim response then receive the rest
3211            of the parameter/data bytes */
3212         outsize = set_message(inbuf,outbuf,0,0,False);
3213         show_msg(outbuf);
3214         END_PROFILE(SMBnttrans);
3215         return outsize;
3216
3217   bad_param:
3218
3219         DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3220         SAFE_FREE(state->data);
3221         SAFE_FREE(state->param);
3222         TALLOC_FREE(state);
3223         END_PROFILE(SMBnttrans);
3224         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3225 }
3226
3227 /****************************************************************************
3228  Reply to a SMBnttranss
3229  ****************************************************************************/
3230
3231 int reply_nttranss(connection_struct *conn,  char *inbuf,char *outbuf,
3232                    int size,int bufsize)
3233 {
3234         int outsize = 0;
3235         unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
3236         struct trans_state *state;
3237
3238         START_PROFILE(SMBnttranss);
3239
3240         show_msg(inbuf);
3241
3242         for (state = conn->pending_trans; state != NULL;
3243              state = state->next) {
3244                 if (state->mid == SVAL(inbuf,smb_mid)) {
3245                         break;
3246                 }
3247         }
3248
3249         if ((state == NULL) || (state->cmd != SMBnttrans)) {
3250                 END_PROFILE(SMBnttranss);
3251                 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3252         }
3253
3254         /* Revise state->total_param and state->total_data in case they have
3255            changed downwards */
3256         if (IVAL(inbuf, smb_nts_TotalParameterCount) < state->total_param) {
3257                 state->total_param = IVAL(inbuf, smb_nts_TotalParameterCount);
3258         }
3259         if (IVAL(inbuf, smb_nts_TotalDataCount) < state->total_data) {
3260                 state->total_data = IVAL(inbuf, smb_nts_TotalDataCount);
3261         }
3262
3263         pcnt = IVAL(inbuf,smb_nts_ParameterCount);
3264         poff = IVAL(inbuf, smb_nts_ParameterOffset);
3265         pdisp = IVAL(inbuf, smb_nts_ParameterDisplacement);
3266
3267         dcnt = IVAL(inbuf, smb_nts_DataCount);
3268         ddisp = IVAL(inbuf, smb_nts_DataDisplacement);
3269         doff = IVAL(inbuf, smb_nts_DataOffset);
3270
3271         state->received_param += pcnt;
3272         state->received_data += dcnt;
3273
3274         if ((state->received_data > state->total_data) ||
3275             (state->received_param > state->total_param))
3276                 goto bad_param;
3277
3278         if (pcnt) {
3279                 if (pdisp+pcnt > state->total_param)
3280                         goto bad_param;
3281                 if ((pdisp+pcnt < pdisp) || (pdisp+pcnt < pcnt))
3282                         goto bad_param;
3283                 if (pdisp > state->total_param)
3284                         goto bad_param;
3285                 if ((smb_base(inbuf) + poff + pcnt > inbuf + size) ||
3286                     (smb_base(inbuf) + poff + pcnt < smb_base(inbuf)))
3287                         goto bad_param;
3288                 if (state->param + pdisp < state->param)
3289                         goto bad_param;
3290
3291                 memcpy(state->param+pdisp,smb_base(inbuf)+poff,
3292                        pcnt);
3293         }
3294
3295         if (dcnt) {
3296                 if (ddisp+dcnt > state->total_data)
3297                         goto bad_param;
3298                 if ((ddisp+dcnt < ddisp) || (ddisp+dcnt < dcnt))
3299                         goto bad_param;
3300                 if (ddisp > state->total_data)
3301                         goto bad_param;
3302                 if ((smb_base(inbuf) + doff + dcnt > inbuf + size) ||
3303                     (smb_base(inbuf) + doff + dcnt < smb_base(inbuf)))
3304                         goto bad_param;
3305                 if (state->data + ddisp < state->data)
3306                         goto bad_param;
3307
3308                 memcpy(state->data+ddisp, smb_base(inbuf)+doff,
3309                        dcnt);
3310         }
3311
3312         if ((state->received_param < state->total_param) ||
3313             (state->received_data < state->total_data)) {
3314                 END_PROFILE(SMBnttranss);
3315                 return -1;
3316         }
3317
3318         /* construct_reply_common has done us the favor to pre-fill the
3319          * command field with SMBnttranss which is wrong :-)
3320          */
3321         SCVAL(outbuf,smb_com,SMBnttrans);
3322
3323         outsize = handle_nttrans(conn, state, inbuf, outbuf,
3324                                  size, bufsize);
3325
3326         DLIST_REMOVE(conn->pending_trans, state);
3327         SAFE_FREE(state->data);
3328         SAFE_FREE(state->param);
3329         TALLOC_FREE(state);
3330
3331         if (outsize == 0) {
3332                 END_PROFILE(SMBnttranss);
3333                 return(ERROR_DOS(ERRSRV,ERRnosupport));
3334         }
3335
3336         END_PROFILE(SMBnttranss);
3337         return(outsize);
3338
3339   bad_param:
3340
3341         DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3342         DLIST_REMOVE(conn->pending_trans, state);
3343         SAFE_FREE(state->data);
3344         SAFE_FREE(state->param);
3345         TALLOC_FREE(state);
3346         END_PROFILE(SMBnttranss);
3347         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3348 }