2 Unix SMB/CIFS implementation.
3 SMB NT transaction handling
4 Copyright (C) Jeremy Allison 1994-1998
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 extern int smb_read_error;
25 extern int global_oplock_break;
26 extern BOOL case_sensitive;
27 extern BOOL case_preserve;
28 extern BOOL short_case_preserve;
30 static char *known_nt_pipes[] = {
46 /* Map generic permissions to file object specific permissions */
48 struct generic_mapping file_generic_mapping = {
55 /****************************************************************************
56 Send the required number of replies back.
57 We assume all fields other than the data fields are
58 set correctly for the type of call.
59 HACK ! Always assumes smb_setup field is zero.
60 ****************************************************************************/
62 static int send_nt_replies(char *inbuf, char *outbuf, int bufsize, NTSTATUS nt_error, char *params,
63 int paramsize, char *pdata, int datasize)
66 int data_to_send = datasize;
67 int params_to_send = paramsize;
71 int params_sent_thistime, data_sent_thistime, total_sent_thistime;
72 int alignment_offset = 3;
73 int data_alignment_offset = 0;
76 * Initially set the wcnt area to be 18 - this is true for all
80 set_message(outbuf,18,0,True);
82 if (NT_STATUS_V(nt_error)) {
87 * If there genuinely are no parameters or data to send just send
91 if(params_to_send == 0 && data_to_send == 0) {
92 if (!send_smb(smbd_server_fd(),outbuf))
93 exit_server("send_nt_replies: send_smb failed.");
98 * When sending params and data ensure that both are nicely aligned.
99 * Only do this alignment when there is also data to send - else
100 * can cause NT redirector problems.
103 if (((params_to_send % 4) != 0) && (data_to_send != 0))
104 data_alignment_offset = 4 - (params_to_send % 4);
107 * Space is bufsize minus Netbios over TCP header minus SMB header.
108 * The alignment_offset is to align the param bytes on a four byte
109 * boundary (2 bytes for data len, one byte pad).
110 * NT needs this to work correctly.
113 useable_space = bufsize - ((smb_buf(outbuf)+
114 alignment_offset+data_alignment_offset) -
118 * useable_space can never be more than max_send minus the
122 useable_space = MIN(useable_space,
123 max_send - (alignment_offset+data_alignment_offset));
126 while (params_to_send || data_to_send) {
129 * Calculate whether we will totally or partially fill this packet.
132 total_sent_thistime = params_to_send + data_to_send +
133 alignment_offset + data_alignment_offset;
136 * We can never send more than useable_space.
139 total_sent_thistime = MIN(total_sent_thistime, useable_space);
141 set_message(outbuf, 18, total_sent_thistime, True);
144 * Set total params and data to be sent.
147 SIVAL(outbuf,smb_ntr_TotalParameterCount,paramsize);
148 SIVAL(outbuf,smb_ntr_TotalDataCount,datasize);
151 * Calculate how many parameters and data we can fit into
152 * this packet. Parameters get precedence.
155 params_sent_thistime = MIN(params_to_send,useable_space);
156 data_sent_thistime = useable_space - params_sent_thistime;
157 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
159 SIVAL(outbuf,smb_ntr_ParameterCount,params_sent_thistime);
161 if(params_sent_thistime == 0) {
162 SIVAL(outbuf,smb_ntr_ParameterOffset,0);
163 SIVAL(outbuf,smb_ntr_ParameterDisplacement,0);
166 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
167 * parameter bytes, however the first 4 bytes of outbuf are
168 * the Netbios over TCP header. Thus use smb_base() to subtract
169 * them from the calculation.
172 SIVAL(outbuf,smb_ntr_ParameterOffset,
173 ((smb_buf(outbuf)+alignment_offset) - smb_base(outbuf)));
175 * Absolute displacement of param bytes sent in this packet.
178 SIVAL(outbuf,smb_ntr_ParameterDisplacement,pp - params);
182 * Deal with the data portion.
185 SIVAL(outbuf,smb_ntr_DataCount, data_sent_thistime);
187 if(data_sent_thistime == 0) {
188 SIVAL(outbuf,smb_ntr_DataOffset,0);
189 SIVAL(outbuf,smb_ntr_DataDisplacement, 0);
192 * The offset of the data bytes is the offset of the
193 * parameter bytes plus the number of parameters being sent this time.
196 SIVAL(outbuf,smb_ntr_DataOffset,((smb_buf(outbuf)+alignment_offset) -
197 smb_base(outbuf)) + params_sent_thistime + data_alignment_offset);
198 SIVAL(outbuf,smb_ntr_DataDisplacement, pd - pdata);
202 * Copy the param bytes into the packet.
205 if(params_sent_thistime)
206 memcpy((smb_buf(outbuf)+alignment_offset),pp,params_sent_thistime);
209 * Copy in the data bytes
212 if(data_sent_thistime)
213 memcpy(smb_buf(outbuf)+alignment_offset+params_sent_thistime+
214 data_alignment_offset,pd,data_sent_thistime);
216 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
217 params_sent_thistime, data_sent_thistime, useable_space));
218 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
219 params_to_send, data_to_send, paramsize, datasize));
221 /* Send the packet */
222 if (!send_smb(smbd_server_fd(),outbuf))
223 exit_server("send_nt_replies: send_smb failed.");
225 pp += params_sent_thistime;
226 pd += data_sent_thistime;
228 params_to_send -= params_sent_thistime;
229 data_to_send -= data_sent_thistime;
235 if(params_to_send < 0 || data_to_send < 0) {
236 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
237 params_to_send, data_to_send));
245 /****************************************************************************
247 ****************************************************************************/
249 static BOOL saved_case_sensitive;
250 static BOOL saved_case_preserve;
251 static BOOL saved_short_case_preserve;
253 /****************************************************************************
255 ****************************************************************************/
257 static void set_posix_case_semantics(uint32 file_attributes)
259 if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS))
262 saved_case_sensitive = case_sensitive;
263 saved_case_preserve = case_preserve;
264 saved_short_case_preserve = short_case_preserve;
267 case_sensitive = True;
268 case_preserve = True;
269 short_case_preserve = True;
272 /****************************************************************************
273 Restore case semantics.
274 ****************************************************************************/
276 static void restore_case_semantics(uint32 file_attributes)
278 if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS))
281 case_sensitive = saved_case_sensitive;
282 case_preserve = saved_case_preserve;
283 short_case_preserve = saved_short_case_preserve;
286 /****************************************************************************
287 Utility function to map create disposition.
288 ****************************************************************************/
290 static int map_create_disposition( uint32 create_disposition)
294 switch( create_disposition ) {
296 /* create if not exist, fail if exist */
297 ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_FAIL);
300 case FILE_OVERWRITE_IF:
301 /* create if not exist, trunc if exist */
302 ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE);
305 /* fail if not exist, open if exists */
306 ret = (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN);
309 /* create if not exist, open if exists */
310 ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_OPEN);
313 /* fail if not exist, truncate if exists */
314 ret = (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE);
317 DEBUG(0,("map_create_disposition: Incorrect value for create_disposition = %d\n",
318 create_disposition ));
322 DEBUG(10,("map_create_disposition: Mapped create_disposition 0x%lx to 0x%x\n",
323 (unsigned long)create_disposition, ret ));
328 /****************************************************************************
329 Utility function to map share modes.
330 ****************************************************************************/
332 static int map_share_mode( char *fname, uint32 create_options,
333 uint32 *desired_access, uint32 share_access, uint32 file_attributes)
335 int smb_open_mode = -1;
338 * Convert GENERIC bits to specific bits.
341 se_map_generic(desired_access, &file_generic_mapping);
343 switch( *desired_access & (FILE_READ_DATA|FILE_WRITE_DATA|FILE_APPEND_DATA) ) {
345 smb_open_mode = DOS_OPEN_RDONLY;
347 case FILE_WRITE_DATA:
348 case FILE_APPEND_DATA:
349 case FILE_WRITE_DATA|FILE_APPEND_DATA:
350 smb_open_mode = DOS_OPEN_WRONLY;
352 case FILE_READ_DATA|FILE_WRITE_DATA:
353 case FILE_READ_DATA|FILE_WRITE_DATA|FILE_APPEND_DATA:
354 case FILE_READ_DATA|FILE_APPEND_DATA:
355 smb_open_mode = DOS_OPEN_RDWR;
360 * NB. For DELETE_ACCESS we should really check the
361 * directory permissions, as that is what controls
362 * delete, and for WRITE_DAC_ACCESS we should really
363 * check the ownership, as that is what controls the
364 * chmod. Note that this is *NOT* a security hole (this
365 * note is for you, Andrew) as we are not *allowing*
366 * the access at this point, the actual unlink or
367 * chown or chmod call would do this. We are just helping
368 * clients out by telling them if they have a hope
369 * of any of this succeeding. POSIX acls may still
370 * deny the real call. JRA.
373 if (smb_open_mode == -1) {
375 if(*desired_access & (DELETE_ACCESS|WRITE_DAC_ACCESS|WRITE_OWNER_ACCESS|
376 FILE_EXECUTE|FILE_READ_ATTRIBUTES|
377 FILE_READ_EA|FILE_WRITE_EA|SYSTEM_SECURITY_ACCESS|
378 FILE_WRITE_ATTRIBUTES|READ_CONTROL_ACCESS)) {
379 smb_open_mode = DOS_OPEN_RDONLY;
380 } else if(*desired_access == 0) {
383 * JRA - NT seems to sometimes send desired_access as zero. play it safe
384 * and map to a stat open.
387 smb_open_mode = DOS_OPEN_RDONLY;
390 DEBUG(0,("map_share_mode: Incorrect value 0x%lx for desired_access to file %s\n",
391 (unsigned long)*desired_access, fname));
397 * Set the special bit that means allow share delete.
398 * This is held outside the normal share mode bits at 1<<15.
402 if(share_access & FILE_SHARE_DELETE) {
403 smb_open_mode |= ALLOW_SHARE_DELETE;
404 DEBUG(10,("map_share_mode: FILE_SHARE_DELETE requested. open_mode = 0x%x\n", smb_open_mode));
408 * We need to store the intent to open for Delete. This
409 * is what determines if a delete on close flag can be set.
410 * This is the wrong way (and place) to store this, but for 2.2 this
411 * is the only practical way. JRA.
414 if(*desired_access & DELETE_ACCESS) {
415 DEBUG(10,("map_share_mode: DELETE_ACCESS requested. open_mode = 0x%x\n", smb_open_mode));
418 if (create_options & FILE_DELETE_ON_CLOSE) {
419 /* Implicit delete access is *NOT* requested... */
420 smb_open_mode |= DELETE_ON_CLOSE_FLAG;
421 DEBUG(10,("map_share_mode: FILE_DELETE_ON_CLOSE requested. open_mode = 0x%x\n", smb_open_mode));
424 /* Add in the requested share mode. */
425 switch( share_access & (FILE_SHARE_READ|FILE_SHARE_WRITE)) {
426 case FILE_SHARE_READ:
427 smb_open_mode |= SET_DENY_MODE(DENY_WRITE);
429 case FILE_SHARE_WRITE:
430 smb_open_mode |= SET_DENY_MODE(DENY_READ);
432 case (FILE_SHARE_READ|FILE_SHARE_WRITE):
433 smb_open_mode |= SET_DENY_MODE(DENY_NONE);
435 case FILE_SHARE_NONE:
436 smb_open_mode |= SET_DENY_MODE(DENY_ALL);
441 * Handle an O_SYNC request.
444 if(file_attributes & FILE_FLAG_WRITE_THROUGH)
445 smb_open_mode |= FILE_SYNC_OPENMODE;
447 DEBUG(10,("map_share_mode: Mapped desired access 0x%lx, share access 0x%lx, file attributes 0x%lx \
448 to open_mode 0x%x\n", (unsigned long)*desired_access, (unsigned long)share_access,
449 (unsigned long)file_attributes, smb_open_mode ));
451 return smb_open_mode;
454 /****************************************************************************
455 Reply to an NT create and X call on a pipe.
456 ****************************************************************************/
457 static int nt_open_pipe(char *fname, connection_struct *conn,
458 char *inbuf, char *outbuf, int *ppnum)
460 smb_np_struct *p = NULL;
462 uint16 vuid = SVAL(inbuf, smb_uid);
465 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
467 /* See if it is one we want to handle. */
469 if (lp_disable_spoolss() && strequal(fname, "\\spoolss"))
470 return(ERROR_DOS(ERRSRV,ERRaccess));
472 for( i = 0; known_nt_pipes[i]; i++ )
473 if( strequal(fname,known_nt_pipes[i]))
476 if ( known_nt_pipes[i] == NULL )
477 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
479 /* Strip \\ off the name. */
482 DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
484 p = open_rpc_pipe_p(fname, conn, vuid);
486 return(ERROR_DOS(ERRSRV,ERRnofids));
493 /****************************************************************************
494 Reply to an NT create and X call for pipes.
495 ****************************************************************************/
497 static int do_ntcreate_pipe_open(connection_struct *conn,
498 char *inbuf,char *outbuf,int length,int bufsize)
505 srvstr_pull(inbuf, fname, smb_buf(inbuf), sizeof(fname), -1, STR_TERMINATE);
507 if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0)
511 * Deal with pipe return.
514 set_message(outbuf,34,0,True);
516 p = outbuf + smb_vwv2;
520 SIVAL(p,0,FILE_WAS_OPENED);
523 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
526 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
528 SSVAL(p,2, 0x5FF); /* ? */
530 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
532 return chain_reply(inbuf,outbuf,length,bufsize);
535 /****************************************************************************
536 Reply to an NT create and X call.
537 ****************************************************************************/
539 int reply_ntcreate_and_X(connection_struct *conn,
540 char *inbuf,char *outbuf,int length,int bufsize)
544 uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
545 uint32 desired_access = IVAL(inbuf,smb_ntcreate_DesiredAccess);
546 uint32 file_attributes = IVAL(inbuf,smb_ntcreate_FileAttributes);
547 uint32 share_access = IVAL(inbuf,smb_ntcreate_ShareAccess);
548 uint32 create_disposition = IVAL(inbuf,smb_ntcreate_CreateDisposition);
549 uint32 create_options = IVAL(inbuf,smb_ntcreate_CreateOptions);
550 uint16 root_dir_fid = (uint16)IVAL(inbuf,smb_ntcreate_RootDirectoryFid);
553 int smb_attr = (file_attributes & SAMBA_ATTRIBUTES_MASK);
554 /* Breakout the oplock request bits so we can set the
555 reply bits separately. */
556 int oplock_request = 0;
559 SMB_OFF_T file_len = 0;
560 SMB_STRUCT_STAT sbuf;
562 BOOL bad_path = False;
563 files_struct *fsp=NULL;
566 START_PROFILE(SMBntcreateX);
568 /* If it's an IPC, use the pipe handler. */
571 if (lp_nt_pipe_support()) {
572 END_PROFILE(SMBntcreateX);
573 return do_ntcreate_pipe_open(conn,inbuf,outbuf,length,bufsize);
575 END_PROFILE(SMBntcreateX);
576 return(ERROR_DOS(ERRDOS,ERRbadaccess));
582 * We need to construct the open_and_X ofun value from the
583 * NT values, as that's what our code is structured to accept.
586 if((smb_ofun = map_create_disposition( create_disposition )) == -1) {
587 END_PROFILE(SMBntcreateX);
588 return(ERROR_DOS(ERRDOS,ERRbadaccess));
595 if(root_dir_fid != 0) {
597 * This filename is relative to a directory fid.
599 files_struct *dir_fsp = file_fsp(inbuf,smb_ntcreate_RootDirectoryFid);
603 END_PROFILE(SMBntcreateX);
604 return(ERROR_DOS(ERRDOS,ERRbadfid));
607 if(!dir_fsp->is_directory) {
609 * Check to see if this is a mac fork of some kind.
612 srvstr_pull(inbuf, fname, smb_buf(inbuf), sizeof(fname), -1, STR_TERMINATE);
614 if( strchr_m(fname, ':')) {
615 END_PROFILE(SMBntcreateX);
616 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
618 END_PROFILE(SMBntcreateX);
619 return(ERROR_DOS(ERRDOS,ERRbadfid));
623 * Copy in the base directory name.
626 pstrcpy( fname, dir_fsp->fsp_name );
627 dir_name_len = strlen(fname);
630 * Ensure it ends in a '\'.
633 if(fname[dir_name_len-1] != '\\' && fname[dir_name_len-1] != '/') {
634 pstrcat(fname, "\\");
638 srvstr_pull(inbuf, &fname[dir_name_len], smb_buf(inbuf), sizeof(fname)-dir_name_len,
641 srvstr_pull(inbuf, fname, smb_buf(inbuf), sizeof(fname), -1, STR_TERMINATE);
645 * Now contruct the smb_open_mode value from the filename,
646 * desired access and the share access.
648 RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
650 if((smb_open_mode = map_share_mode(fname, create_options, &desired_access,
652 file_attributes)) == -1) {
653 END_PROFILE(SMBntcreateX);
654 return ERROR_DOS(ERRDOS,ERRbadaccess);
657 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
658 if (oplock_request) {
659 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
663 * Ordinary file or directory.
667 * Check if POSIX semantics are wanted.
670 set_posix_case_semantics(file_attributes);
672 unix_convert(fname,conn,0,&bad_path,&sbuf);
674 unixmode = unix_mode(conn,smb_attr | aARCH, fname);
677 * If it's a request for a directory open, deal with it separately.
680 if(create_options & FILE_DIRECTORY_FILE) {
683 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, unixmode, &smb_action);
685 restore_case_semantics(file_attributes);
688 set_bad_path_error(errno, bad_path);
689 END_PROFILE(SMBntcreateX);
690 return(UNIXERROR(ERRDOS,ERRnoaccess));
694 * Ordinary file case.
697 /* NB. We have a potential bug here. If we
698 * cause an oplock break to ourselves, then we
699 * could end up processing filename related
700 * SMB requests whilst we await the oplock
701 * break response. As we may have changed the
702 * filename case semantics to be POSIX-like,
703 * this could mean a filename request could
704 * fail when it should succeed. This is a rare
705 * condition, but eventually we must arrange
706 * to restore the correct case semantics
707 * before issuing an oplock break request to
708 * our client. JRA. */
710 fsp = open_file_shared1(conn,fname,&sbuf,
713 smb_ofun,unixmode, oplock_request,
717 /* We cheat here. There are two cases we
718 * care about. One is a directory rename,
719 * where the NT client will attempt to
720 * open the source directory for
721 * DELETE access. Note that when the
722 * NT client does this it does *not*
723 * set the directory bit in the
724 * request packet. This is translated
725 * into a read/write open
726 * request. POSIX states that any open
727 * for write request on a directory
728 * will generate an EISDIR error, so
729 * we can catch this here and open a
730 * pseudo handle that is flagged as a
731 * directory. The second is an open
732 * for a permissions read only, which
733 * we handle in the open_file_stat case. JRA.
736 if(errno == EISDIR) {
739 * Fail the open if it was explicitly a non-directory file.
742 if (create_options & FILE_NON_DIRECTORY_FILE) {
743 restore_case_semantics(file_attributes);
744 SSVAL(outbuf, smb_flg2,
745 SVAL(outbuf,smb_flg2) | FLAGS2_32_BIT_ERROR_CODES);
746 END_PROFILE(SMBntcreateX);
747 return ERROR_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
751 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, unixmode, &smb_action);
754 restore_case_semantics(file_attributes);
755 set_bad_path_error(errno, bad_path);
756 END_PROFILE(SMBntcreateX);
757 return(UNIXERROR(ERRDOS,ERRnoaccess));
761 restore_case_semantics(file_attributes);
762 set_bad_path_error(errno, bad_path);
763 END_PROFILE(SMBntcreateX);
764 return(UNIXERROR(ERRDOS,ERRnoaccess));
769 restore_case_semantics(file_attributes);
771 file_len = sbuf.st_size;
772 fmode = dos_mode(conn,fname,&sbuf);
774 fmode = FILE_ATTRIBUTE_NORMAL;
775 if (!fsp->is_directory && (fmode & aDIR)) {
776 close_file(fsp,False);
777 END_PROFILE(SMBntcreateX);
778 return ERROR_DOS(ERRDOS,ERRnoaccess);
782 * If the caller set the extended oplock request bit
783 * and we granted one (by whatever means) - set the
784 * correct bit for extended oplock reply.
787 if (oplock_request && lp_fake_oplocks(SNUM(conn)))
788 smb_action |= EXTENDED_OPLOCK_GRANTED;
790 if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
791 smb_action |= EXTENDED_OPLOCK_GRANTED;
794 /* W2K sends back 42 words here ! If we do the same it breaks offline sync. Go figure... ? JRA. */
795 set_message(outbuf,42,0,True);
797 set_message(outbuf,34,0,True);
800 p = outbuf + smb_vwv2;
803 * Currently as we don't support level II oplocks we just report
804 * exclusive & batch here.
807 if (smb_action & EXTENDED_OPLOCK_GRANTED) {
808 if (flags & REQUEST_BATCH_OPLOCK) {
809 SCVAL(p,0, BATCH_OPLOCK_RETURN);
811 SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
813 } else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type)) {
814 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
816 SCVAL(p,0,NO_OPLOCK_RETURN);
820 SSVAL(p,0,fsp->fnum);
822 SIVAL(p,0,smb_action);
826 c_time = get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
828 if (lp_dos_filetime_resolution(SNUM(conn))) {
835 put_long_date(p,c_time);
837 put_long_date(p,sbuf.st_atime); /* access time */
839 put_long_date(p,sbuf.st_mtime); /* write time */
841 put_long_date(p,sbuf.st_mtime); /* change time */
843 SIVAL(p,0,fmode); /* File Attributes. */
845 SOFF_T(p, 0, file_len);
847 SOFF_T(p,0,file_len);
849 SCVAL(p,0,fsp->is_directory ? 1 : 0);
851 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
853 result = chain_reply(inbuf,outbuf,length,bufsize);
854 END_PROFILE(SMBntcreateX);
858 /****************************************************************************
859 Reply to a NT_TRANSACT_CREATE call to open a pipe.
860 ****************************************************************************/
862 static int do_nt_transact_create_pipe( connection_struct *conn,
863 char *inbuf, char *outbuf, int length,
864 int bufsize, char **ppsetup, char **ppparams,
868 int total_parameter_count = (int)IVAL(inbuf, smb_nt_TotalParameterCount);
869 char *params = *ppparams;
875 * Ensure minimum number of parameters sent.
878 if(total_parameter_count < 54) {
879 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)total_parameter_count));
880 return ERROR_DOS(ERRDOS,ERRbadaccess);
883 srvstr_pull(inbuf, fname, params+53, sizeof(fname), -1, STR_TERMINATE);
885 if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0)
888 /* Realloc the size of parameters and data we will return */
889 params = Realloc(*ppparams, 69);
891 return ERROR_DOS(ERRDOS,ERRnomem);
895 memset((char *)params,'\0',69);
898 SCVAL(p,0,NO_OPLOCK_RETURN);
903 SIVAL(p,0,FILE_WAS_OPENED);
907 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
910 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
912 SSVAL(p,2, 0x5FF); /* ? */
914 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
916 /* Send the required number of replies */
917 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
922 /****************************************************************************
923 Internal fn to set security descriptors.
924 ****************************************************************************/
926 static BOOL set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent, int *pdef_class,uint32 *pdef_code)
929 SEC_DESC *psd = NULL;
934 *pdef_class = ERRDOS;
935 *pdef_code = ERRbadaccess;
940 * Init the parse struct we will unmarshall from.
943 if ((mem_ctx = talloc_init()) == NULL) {
944 DEBUG(0,("set_sd: talloc_init failed.\n"));
945 *pdef_class = ERRDOS;
946 *pdef_code = ERRnomem;
950 prs_init(&pd, 0, mem_ctx, UNMARSHALL);
953 * Setup the prs_struct to point at the memory we just
957 prs_give_memory( &pd, data, sd_len, False);
960 * Finally, unmarshall from the data buffer.
963 if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
964 DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
966 * Return access denied for want of a better error message..
968 talloc_destroy(mem_ctx);
969 *pdef_class = ERRDOS;
970 *pdef_code = ERRnomem;
974 if (psd->off_owner_sid==0)
975 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
976 if (psd->off_grp_sid==0)
977 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
978 if (psd->off_sacl==0)
979 security_info_sent &= ~SACL_SECURITY_INFORMATION;
980 if (psd->off_dacl==0)
981 security_info_sent &= ~DACL_SECURITY_INFORMATION;
983 ret = fsp->conn->vfs_ops.fset_nt_acl( fsp, fsp->fd, security_info_sent, psd);
986 talloc_destroy(mem_ctx);
987 *pdef_class = ERRDOS;
988 *pdef_code = ERRnoaccess;
992 talloc_destroy(mem_ctx);
999 /****************************************************************************
1000 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1001 ****************************************************************************/
1003 static int call_nt_transact_create(connection_struct *conn,
1004 char *inbuf, char *outbuf, int length,
1005 int bufsize, char **ppsetup, char **ppparams,
1009 char *params = *ppparams;
1010 char *data = *ppdata;
1011 int total_parameter_count = (int)IVAL(inbuf, smb_nt_TotalParameterCount);
1012 /* Breakout the oplock request bits so we can set the
1013 reply bits separately. */
1014 int oplock_request = 0;
1016 int fmode=0,rmode=0;
1017 SMB_OFF_T file_len = 0;
1018 SMB_STRUCT_STAT sbuf;
1020 BOOL bad_path = False;
1021 files_struct *fsp = NULL;
1024 uint32 desired_access;
1025 uint32 file_attributes;
1026 uint32 share_access;
1027 uint32 create_disposition;
1028 uint32 create_options;
1030 uint16 root_dir_fid;
1038 DEBUG(5,("call_nt_transact_create\n"));
1041 * If it's an IPC, use the pipe handler.
1045 if (lp_nt_pipe_support())
1046 return do_nt_transact_create_pipe(conn, inbuf, outbuf, length,
1047 bufsize, ppsetup, ppparams, ppdata);
1049 return ERROR_DOS(ERRDOS,ERRbadaccess);
1053 * Ensure minimum number of parameters sent.
1056 if(total_parameter_count < 54) {
1057 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)total_parameter_count));
1058 return ERROR_DOS(ERRDOS,ERRbadaccess);
1061 flags = IVAL(params,0);
1062 desired_access = IVAL(params,8);
1063 file_attributes = IVAL(params,20);
1064 share_access = IVAL(params,24);
1065 create_disposition = IVAL(params,28);
1066 create_options = IVAL(params,32);
1067 sd_len = IVAL(params,36);
1068 root_dir_fid = (uint16)IVAL(params,4);
1069 smb_attr = (file_attributes & SAMBA_ATTRIBUTES_MASK);
1072 * We need to construct the open_and_X ofun value from the
1073 * NT values, as that's what our code is structured to accept.
1076 if((smb_ofun = map_create_disposition( create_disposition )) == -1)
1077 return ERROR_DOS(ERRDOS,ERRbadmem);
1080 * Get the file name.
1083 if(root_dir_fid != 0) {
1085 * This filename is relative to a directory fid.
1088 files_struct *dir_fsp = file_fsp(params,4);
1089 size_t dir_name_len;
1092 return ERROR_DOS(ERRDOS,ERRbadfid);
1094 if(!dir_fsp->is_directory) {
1096 * Check to see if this is a mac fork of some kind.
1099 srvstr_pull(inbuf, fname, params+53, sizeof(fname), -1, STR_TERMINATE);
1101 if( strchr_m(fname, ':')) {
1102 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1105 return ERROR_DOS(ERRDOS,ERRbadfid);
1109 * Copy in the base directory name.
1112 pstrcpy( fname, dir_fsp->fsp_name );
1113 dir_name_len = strlen(fname);
1116 * Ensure it ends in a '\'.
1119 if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
1120 pstrcat(fname, "\\");
1124 srvstr_pull(inbuf, &fname[dir_name_len], params+53, sizeof(fname)-dir_name_len,
1127 srvstr_pull(inbuf, fname, params+53, sizeof(fname), -1, STR_TERMINATE);
1131 * Now contruct the smb_open_mode value from the desired access
1132 * and the share access.
1135 if((smb_open_mode = map_share_mode( fname, create_options, &desired_access,
1136 share_access, file_attributes)) == -1)
1137 return ERROR_DOS(ERRDOS,ERRbadaccess);
1139 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1140 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1143 * Check if POSIX semantics are wanted.
1146 set_posix_case_semantics(file_attributes);
1148 RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
1150 unix_convert(fname,conn,0,&bad_path,&sbuf);
1152 unixmode = unix_mode(conn,smb_attr | aARCH, fname);
1155 * If it's a request for a directory open, deal with it separately.
1158 if(create_options & FILE_DIRECTORY_FILE) {
1163 * We will get a create directory here if the Win32
1164 * app specified a security descriptor in the
1165 * CreateDirectory() call.
1168 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, unixmode, &smb_action);
1171 restore_case_semantics(file_attributes);
1172 set_bad_path_error(errno, bad_path);
1173 return(UNIXERROR(ERRDOS,ERRnoaccess));
1179 * Ordinary file case.
1182 fsp = open_file_shared1(conn,fname,&sbuf,desired_access,
1183 smb_open_mode,smb_ofun,unixmode,
1184 oplock_request,&rmode,&smb_action);
1188 if(errno == EISDIR) {
1191 * Fail the open if it was explicitly a non-directory file.
1194 if (create_options & FILE_NON_DIRECTORY_FILE) {
1195 restore_case_semantics(file_attributes);
1196 SSVAL(outbuf, smb_flg2,
1197 SVAL(outbuf,smb_flg2) | FLAGS2_32_BIT_ERROR_CODES);
1198 return ERROR_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
1202 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, unixmode, &smb_action);
1205 restore_case_semantics(file_attributes);
1206 set_bad_path_error(errno, bad_path);
1207 return(UNIXERROR(ERRDOS,ERRnoaccess));
1211 restore_case_semantics(file_attributes);
1212 set_bad_path_error(errno, bad_path);
1213 return(UNIXERROR(ERRDOS,ERRnoaccess));
1217 file_len = sbuf.st_size;
1218 fmode = dos_mode(conn,fname,&sbuf);
1220 fmode = FILE_ATTRIBUTE_NORMAL;
1223 close_file(fsp,False);
1224 restore_case_semantics(file_attributes);
1225 return ERROR_DOS(ERRDOS,ERRnoaccess);
1229 * If the caller set the extended oplock request bit
1230 * and we granted one (by whatever means) - set the
1231 * correct bit for extended oplock reply.
1234 if (oplock_request && lp_fake_oplocks(SNUM(conn)))
1235 smb_action |= EXTENDED_OPLOCK_GRANTED;
1237 if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
1238 smb_action |= EXTENDED_OPLOCK_GRANTED;
1242 * Now try and apply the desired SD.
1245 if (!set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION, &error_class, &error_code)) {
1246 close_file(fsp,False);
1247 restore_case_semantics(file_attributes);
1248 return ERROR_DOS(error_class, error_code);
1251 restore_case_semantics(file_attributes);
1253 /* Realloc the size of parameters and data we will return */
1254 params = Realloc(*ppparams, 69);
1256 return ERROR_DOS(ERRDOS,ERRnomem);
1260 memset((char *)params,'\0',69);
1263 if (smb_action & EXTENDED_OPLOCK_GRANTED)
1264 SCVAL(p,0, BATCH_OPLOCK_RETURN);
1265 else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type))
1266 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
1268 SCVAL(p,0,NO_OPLOCK_RETURN);
1271 SSVAL(p,0,fsp->fnum);
1273 SIVAL(p,0,smb_action);
1277 c_time = get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1279 if (lp_dos_filetime_resolution(SNUM(conn))) {
1281 sbuf.st_atime &= ~1;
1282 sbuf.st_mtime &= ~1;
1283 sbuf.st_mtime &= ~1;
1286 put_long_date(p,c_time);
1288 put_long_date(p,sbuf.st_atime); /* access time */
1290 put_long_date(p,sbuf.st_mtime); /* write time */
1292 put_long_date(p,sbuf.st_mtime); /* change time */
1294 SIVAL(p,0,fmode); /* File Attributes. */
1296 SOFF_T(p,0,file_len);
1298 SOFF_T(p,0,file_len);
1300 DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
1302 /* Send the required number of replies */
1303 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
1308 /****************************************************************************
1309 Reply to a NT CANCEL request.
1310 ****************************************************************************/
1311 int reply_ntcancel(connection_struct *conn,
1312 char *inbuf,char *outbuf,int length,int bufsize)
1315 * Go through and cancel any pending change notifies.
1318 int mid = SVAL(inbuf,smb_mid);
1319 START_PROFILE(SMBntcancel);
1320 remove_pending_change_notify_requests_by_mid(mid);
1321 remove_pending_lock_requests_by_mid(mid);
1323 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", mid));
1325 END_PROFILE(SMBntcancel);
1329 /****************************************************************************
1330 Reply to an unsolicited SMBNTtranss - just ignore it!
1331 ****************************************************************************/
1332 int reply_nttranss(connection_struct *conn,
1333 char *inbuf,char *outbuf,int length,int bufsize)
1335 START_PROFILE(SMBnttranss);
1336 DEBUG(4,("Ignoring nttranss of length %d\n",length));
1337 END_PROFILE(SMBnttranss);
1341 /****************************************************************************
1342 Reply to a notify change - queue the request and
1343 don't allow a directory to be opened.
1344 ****************************************************************************/
1345 static int call_nt_transact_notify_change(connection_struct *conn,
1346 char *inbuf, char *outbuf, int length,
1349 char **ppparams, char **ppdata)
1351 char *setup = *ppsetup;
1355 fsp = file_fsp(setup,4);
1356 flags = IVAL(setup, 0);
1358 DEBUG(3,("call_nt_transact_notify_change\n"));
1361 return ERROR_DOS(ERRDOS,ERRbadfid);
1363 if((!fsp->is_directory) || (conn != fsp->conn))
1364 return ERROR_DOS(ERRDOS,ERRbadfid);
1366 if (!change_notify_set(inbuf, fsp, conn, flags)) {
1367 return(UNIXERROR(ERRDOS,ERRbadfid));
1370 DEBUG(3,("call_nt_transact_notify_change: notify change called on directory \
1371 name = %s\n", fsp->fsp_name ));
1376 /****************************************************************************
1377 Reply to an NT transact rename command.
1378 ****************************************************************************/
1380 static int call_nt_transact_rename(connection_struct *conn,
1381 char *inbuf, char *outbuf, int length,
1383 char **ppsetup, char **ppparams, char **ppdata)
1385 char *params = *ppparams;
1387 files_struct *fsp = file_fsp(params, 0);
1388 BOOL replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
1391 CHECK_FSP(fsp, conn);
1392 srvstr_pull(inbuf, new_name, params+4, sizeof(new_name), -1, STR_TERMINATE);
1394 status = rename_internals(conn, fsp->fsp_name,
1395 new_name, replace_if_exists);
1396 if (!NT_STATUS_IS_OK(status))
1397 return ERROR_NT(status);
1400 * Rename was successful.
1402 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1404 DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
1405 fsp->fsp_name, new_name));
1408 * Win2k needs a changenotify request response before it will
1409 * update after a rename..
1412 process_pending_change_notify_queue((time_t)0);
1417 /******************************************************************************
1418 Fake up a completely empty SD.
1419 *******************************************************************************/
1421 static size_t get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1423 extern DOM_SID global_sid_World;
1426 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1428 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1435 /****************************************************************************
1436 Reply to query a security descriptor - currently this is not implemented (it
1437 is planned to be though). Right now it just returns the same thing NT would
1438 when queried on a FAT filesystem. JRA.
1439 ****************************************************************************/
1441 static int call_nt_transact_query_security_desc(connection_struct *conn,
1442 char *inbuf, char *outbuf,
1443 int length, int bufsize,
1444 char **ppsetup, char **ppparams, char **ppdata)
1446 uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
1447 char *params = *ppparams;
1448 char *data = *ppdata;
1450 SEC_DESC *psd = NULL;
1452 TALLOC_CTX *mem_ctx;
1454 files_struct *fsp = file_fsp(params,0);
1457 return ERROR_DOS(ERRDOS,ERRbadfid);
1459 DEBUG(3,("call_nt_transact_query_security_desc: file = %s\n", fsp->fsp_name ));
1461 params = Realloc(*ppparams, 4);
1463 return ERROR_DOS(ERRDOS,ERRnomem);
1467 if ((mem_ctx = talloc_init()) == NULL) {
1468 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
1469 return ERROR_DOS(ERRDOS,ERRnomem);
1473 * Get the permissions to return.
1476 if (!lp_nt_acl_support(SNUM(conn)))
1477 sd_size = get_null_nt_acl(mem_ctx, &psd);
1479 sd_size = conn->vfs_ops.fget_nt_acl(fsp, fsp->fd, &psd);
1482 talloc_destroy(mem_ctx);
1483 return(UNIXERROR(ERRDOS,ERRnoaccess));
1486 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %d.\n",(int)sd_size));
1488 SIVAL(params,0,(uint32)sd_size);
1490 if(max_data_count < sd_size) {
1492 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_BUFFER_TOO_SMALL,
1493 params, 4, *ppdata, 0);
1494 talloc_destroy(mem_ctx);
1499 * Allocate the data we will point this at.
1502 data = Realloc(*ppdata, sd_size);
1504 talloc_destroy(mem_ctx);
1505 return ERROR_DOS(ERRDOS,ERRnomem);
1510 memset(data, '\0', sd_size);
1513 * Init the parse struct we will marshall into.
1516 prs_init(&pd, 0, mem_ctx, MARSHALL);
1519 * Setup the prs_struct to point at the memory we just
1523 prs_give_memory( &pd, data, (uint32)sd_size, False);
1526 * Finally, linearize into the outgoing buffer.
1529 if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1530 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
1531 security descriptor.\n"));
1533 * Return access denied for want of a better error message..
1535 talloc_destroy(mem_ctx);
1536 return(UNIXERROR(ERRDOS,ERRnoaccess));
1540 * Now we can delete the security descriptor.
1543 talloc_destroy(mem_ctx);
1545 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 4, data, (int)sd_size);
1549 /****************************************************************************
1550 Reply to set a security descriptor. Map to UNIX perms.
1551 ****************************************************************************/
1553 static int call_nt_transact_set_security_desc(connection_struct *conn,
1554 char *inbuf, char *outbuf, int length,
1555 int bufsize, char **ppsetup,
1556 char **ppparams, char **ppdata)
1558 uint32 total_parameter_count = IVAL(inbuf, smb_nts_TotalParameterCount);
1559 char *params= *ppparams;
1560 char *data = *ppdata;
1561 uint32 total_data_count = (uint32)IVAL(inbuf, smb_nts_TotalDataCount);
1562 files_struct *fsp = NULL;
1563 uint32 security_info_sent = 0;
1567 if(total_parameter_count < 8)
1568 return ERROR_DOS(ERRDOS,ERRbadfunc);
1570 if((fsp = file_fsp(params,0)) == NULL)
1571 return ERROR_DOS(ERRDOS,ERRbadfid);
1573 if(!lp_nt_acl_support(SNUM(conn)))
1576 security_info_sent = IVAL(params,4);
1578 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
1579 (unsigned int)security_info_sent ));
1581 if (!set_sd( fsp, data, total_data_count, security_info_sent, &error_class, &error_code))
1582 return ERROR_DOS(error_class, error_code);
1586 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1590 /****************************************************************************
1591 Reply to IOCTL - not implemented - no plans.
1592 ****************************************************************************/
1593 static int call_nt_transact_ioctl(connection_struct *conn,
1594 char *inbuf, char *outbuf, int length,
1596 char **ppsetup, char **ppparams, char **ppdata)
1598 static BOOL logged_message = False;
1600 if(!logged_message) {
1601 DEBUG(0,("call_nt_transact_ioctl: Currently not implemented.\n"));
1602 logged_message = True; /* Only print this once... */
1604 return ERROR_DOS(ERRSRV,ERRnosupport);
1607 /****************************************************************************
1608 Reply to a SMBNTtrans.
1609 ****************************************************************************/
1610 int reply_nttrans(connection_struct *conn,
1611 char *inbuf,char *outbuf,int length,int bufsize)
1614 #if 0 /* Not used. */
1615 uint16 max_setup_count = CVAL(inbuf, smb_nt_MaxSetupCount);
1616 uint32 max_parameter_count = IVAL(inbuf, smb_nt_MaxParameterCount);
1617 uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
1618 #endif /* Not used. */
1619 uint32 total_parameter_count = IVAL(inbuf, smb_nt_TotalParameterCount);
1620 uint32 total_data_count = IVAL(inbuf, smb_nt_TotalDataCount);
1621 uint32 parameter_count = IVAL(inbuf,smb_nt_ParameterCount);
1622 uint32 parameter_offset = IVAL(inbuf,smb_nt_ParameterOffset);
1623 uint32 data_count = IVAL(inbuf,smb_nt_DataCount);
1624 uint32 data_offset = IVAL(inbuf,smb_nt_DataOffset);
1625 uint16 setup_count = 2*CVAL(inbuf,smb_nt_SetupCount); /* setup count is in *words* */
1626 uint16 function_code = SVAL( inbuf, smb_nt_Function);
1627 char *params = NULL, *data = NULL, *setup = NULL;
1628 uint32 num_params_sofar, num_data_sofar;
1629 START_PROFILE(SMBnttrans);
1631 if(global_oplock_break && (function_code == NT_TRANSACT_CREATE)) {
1633 * Queue this open message as we are the process of an oplock break.
1636 DEBUG(2,("reply_nttrans: queueing message NT_TRANSACT_CREATE \
1637 due to being in oplock break state.\n" ));
1639 push_oplock_pending_smb_message( inbuf, length);
1640 END_PROFILE(SMBnttrans);
1644 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
1645 END_PROFILE(SMBnttrans);
1646 return ERROR_DOS(ERRSRV,ERRaccess);
1649 outsize = set_message(outbuf,0,0,True);
1652 * All nttrans messages we handle have smb_wct == 19 + setup_count.
1653 * Ensure this is so as a sanity check.
1656 if(CVAL(inbuf, smb_wct) != 19 + (setup_count/2)) {
1657 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
1658 CVAL(inbuf, smb_wct), 19 + (setup_count/2)));
1659 END_PROFILE(SMBnttrans);
1660 return ERROR_DOS(ERRSRV,ERRerror);
1663 /* Allocate the space for the setup, the maximum needed parameters and data */
1666 setup = (char *)malloc(setup_count);
1667 if (total_parameter_count > 0)
1668 params = (char *)malloc(total_parameter_count);
1669 if (total_data_count > 0)
1670 data = (char *)malloc(total_data_count);
1672 if ((total_parameter_count && !params) || (total_data_count && !data) ||
1673 (setup_count && !setup)) {
1677 DEBUG(0,("reply_nttrans : Out of memory\n"));
1678 END_PROFILE(SMBnttrans);
1679 return ERROR_DOS(ERRDOS,ERRnomem);
1682 /* Copy the param and data bytes sent with this request into
1683 the params buffer */
1684 num_params_sofar = parameter_count;
1685 num_data_sofar = data_count;
1687 if (parameter_count > total_parameter_count || data_count > total_data_count)
1688 exit_server("reply_nttrans: invalid sizes in packet.");
1691 memcpy( setup, &inbuf[smb_nt_SetupStart], setup_count);
1692 DEBUG(10,("reply_nttrans: setup_count = %d\n", setup_count));
1693 dump_data(10, setup, setup_count);
1696 memcpy( params, smb_base(inbuf) + parameter_offset, parameter_count);
1697 DEBUG(10,("reply_nttrans: parameter_count = %d\n", parameter_count));
1698 dump_data(10, params, parameter_count);
1701 memcpy( data, smb_base(inbuf) + data_offset, data_count);
1702 DEBUG(10,("reply_nttrans: data_count = %d\n",data_count));
1703 dump_data(10, data, data_count);
1706 if(num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
1707 /* We need to send an interim response then receive the rest
1708 of the parameter/data bytes */
1709 outsize = set_message(outbuf,0,0,True);
1710 if (!send_smb(smbd_server_fd(),outbuf))
1711 exit_server("reply_nttrans: send_smb failed.");
1713 while( num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
1716 ret = receive_next_smb(inbuf,bufsize,SMB_SECONDARY_WAIT);
1718 if((ret && (CVAL(inbuf, smb_com) != SMBnttranss)) || !ret) {
1719 outsize = set_message(outbuf,0,0,True);
1721 DEBUG(0,("reply_nttrans: Invalid secondary nttrans packet\n"));
1723 DEBUG(0,("reply_nttrans: %s in getting secondary nttrans response.\n",
1724 (smb_read_error == READ_ERROR) ? "error" : "timeout" ));
1729 END_PROFILE(SMBnttrans);
1730 return ERROR_DOS(ERRSRV,ERRerror);
1733 /* Revise total_params and total_data in case they have changed downwards */
1734 total_parameter_count = IVAL(inbuf, smb_nts_TotalParameterCount);
1735 total_data_count = IVAL(inbuf, smb_nts_TotalDataCount);
1736 num_params_sofar += (parameter_count = IVAL(inbuf,smb_nts_ParameterCount));
1737 num_data_sofar += ( data_count = IVAL(inbuf, smb_nts_DataCount));
1738 if (num_params_sofar > total_parameter_count || num_data_sofar > total_data_count)
1739 exit_server("reply_nttrans2: data overflow in secondary nttrans packet");
1741 memcpy( ¶ms[ IVAL(inbuf, smb_nts_ParameterDisplacement)],
1742 smb_base(inbuf) + IVAL(inbuf, smb_nts_ParameterOffset), parameter_count);
1743 memcpy( &data[IVAL(inbuf, smb_nts_DataDisplacement)],
1744 smb_base(inbuf)+ IVAL(inbuf, smb_nts_DataOffset), data_count);
1748 if (Protocol >= PROTOCOL_NT1)
1749 SSVAL(outbuf,smb_flg2,SVAL(outbuf,smb_flg2) | FLAGS2_IS_LONG_NAME);
1751 /* Now we must call the relevant NT_TRANS function */
1752 switch(function_code) {
1753 case NT_TRANSACT_CREATE:
1754 START_PROFILE_NESTED(NT_transact_create);
1755 outsize = call_nt_transact_create(conn, inbuf, outbuf, length, bufsize,
1756 &setup, ¶ms, &data);
1757 END_PROFILE_NESTED(NT_transact_create);
1759 case NT_TRANSACT_IOCTL:
1760 START_PROFILE_NESTED(NT_transact_ioctl);
1761 outsize = call_nt_transact_ioctl(conn,
1762 inbuf, outbuf, length, bufsize,
1763 &setup, ¶ms, &data);
1764 END_PROFILE_NESTED(NT_transact_ioctl);
1766 case NT_TRANSACT_SET_SECURITY_DESC:
1767 START_PROFILE_NESTED(NT_transact_set_security_desc);
1768 outsize = call_nt_transact_set_security_desc(conn, inbuf, outbuf,
1770 &setup, ¶ms, &data);
1771 END_PROFILE_NESTED(NT_transact_set_security_desc);
1773 case NT_TRANSACT_NOTIFY_CHANGE:
1774 START_PROFILE_NESTED(NT_transact_notify_change);
1775 outsize = call_nt_transact_notify_change(conn, inbuf, outbuf,
1777 &setup, ¶ms, &data);
1778 END_PROFILE_NESTED(NT_transact_notify_change);
1780 case NT_TRANSACT_RENAME:
1781 START_PROFILE_NESTED(NT_transact_rename);
1782 outsize = call_nt_transact_rename(conn, inbuf, outbuf, length,
1784 &setup, ¶ms, &data);
1785 END_PROFILE_NESTED(NT_transact_rename);
1788 case NT_TRANSACT_QUERY_SECURITY_DESC:
1789 START_PROFILE_NESTED(NT_transact_query_security_desc);
1790 outsize = call_nt_transact_query_security_desc(conn, inbuf, outbuf,
1792 &setup, ¶ms, &data);
1793 END_PROFILE_NESTED(NT_transact_query_security_desc);
1796 /* Error in request */
1797 DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n", function_code));
1801 END_PROFILE(SMBnttrans);
1802 return ERROR_DOS(ERRSRV,ERRerror);
1805 /* As we do not know how many data packets will need to be
1806 returned here the various call_nt_transact_xxxx calls
1807 must send their own. Thus a call_nt_transact_xxxx routine only
1808 returns a value other than -1 when it wants to send
1815 END_PROFILE(SMBnttrans);
1816 return outsize; /* If a correct response was needed the call_nt_transact_xxxx
1817 calls have already sent it. If outsize != -1 then it is
1818 returning an error packet. */