2 Unix SMB/CIFS implementation.
3 SMB NT transaction handling
4 Copyright (C) Jeremy Allison 1994-2007
5 Copyright (C) Stefan (metze) Metzmacher 2003
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 3 of the License, or
10 (at your option) any later version.
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.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
24 extern enum protocol_types Protocol;
25 extern struct current_user current_user;
27 static const char *known_nt_pipes[] = {
48 static char *nttrans_realloc(char **ptr, size_t size)
51 smb_panic("nttrans_realloc() called with NULL ptr");
54 *ptr = (char *)SMB_REALLOC(*ptr, size);
58 memset(*ptr,'\0',size);
62 /****************************************************************************
63 Send the required number of replies back.
64 We assume all fields other than the data fields are
65 set correctly for the type of call.
66 HACK ! Always assumes smb_setup field is zero.
67 ****************************************************************************/
69 void send_nt_replies(struct smb_request *req, NTSTATUS nt_error,
70 char *params, int paramsize,
71 char *pdata, int datasize)
73 int data_to_send = datasize;
74 int params_to_send = paramsize;
78 int params_sent_thistime, data_sent_thistime, total_sent_thistime;
79 int alignment_offset = 3;
80 int data_alignment_offset = 0;
83 * If there genuinely are no parameters or data to send just send
87 if(params_to_send == 0 && data_to_send == 0) {
88 reply_outbuf(req, 18, 0);
89 show_msg((char *)req->outbuf);
94 * When sending params and data ensure that both are nicely aligned.
95 * Only do this alignment when there is also data to send - else
96 * can cause NT redirector problems.
99 if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
100 data_alignment_offset = 4 - (params_to_send % 4);
104 * Space is bufsize minus Netbios over TCP header minus SMB header.
105 * The alignment_offset is to align the param bytes on a four byte
106 * boundary (2 bytes for data len, one byte pad).
107 * NT needs this to work correctly.
110 useable_space = max_send - (smb_size
113 + data_alignment_offset);
116 * useable_space can never be more than max_send minus the
120 useable_space = MIN(useable_space,
121 max_send - (alignment_offset+data_alignment_offset));
124 while (params_to_send || data_to_send) {
127 * Calculate whether we will totally or partially fill this packet.
130 total_sent_thistime = params_to_send + data_to_send +
131 alignment_offset + data_alignment_offset;
134 * We can never send more than useable_space.
137 total_sent_thistime = MIN(total_sent_thistime, useable_space);
139 reply_outbuf(req, 18, total_sent_thistime);
142 * Set total params and data to be sent.
145 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
146 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
149 * Calculate how many parameters and data we can fit into
150 * this packet. Parameters get precedence.
153 params_sent_thistime = MIN(params_to_send,useable_space);
154 data_sent_thistime = useable_space - params_sent_thistime;
155 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
157 SIVAL(req->outbuf, smb_ntr_ParameterCount,
158 params_sent_thistime);
160 if(params_sent_thistime == 0) {
161 SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
162 SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
165 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
166 * parameter bytes, however the first 4 bytes of outbuf are
167 * the Netbios over TCP header. Thus use smb_base() to subtract
168 * them from the calculation.
171 SIVAL(req->outbuf,smb_ntr_ParameterOffset,
172 ((smb_buf(req->outbuf)+alignment_offset)
173 - smb_base(req->outbuf)));
175 * Absolute displacement of param bytes sent in this packet.
178 SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
183 * Deal with the data portion.
186 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
188 if(data_sent_thistime == 0) {
189 SIVAL(req->outbuf,smb_ntr_DataOffset,0);
190 SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
193 * The offset of the data bytes is the offset of the
194 * parameter bytes plus the number of parameters being sent this time.
197 SIVAL(req->outbuf, smb_ntr_DataOffset,
198 ((smb_buf(req->outbuf)+alignment_offset) -
199 smb_base(req->outbuf))
200 + params_sent_thistime + data_alignment_offset);
201 SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
205 * Copy the param bytes into the packet.
208 if(params_sent_thistime) {
209 if (alignment_offset != 0) {
210 memset(smb_buf(req->outbuf), 0,
213 memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
214 params_sent_thistime);
218 * Copy in the data bytes
221 if(data_sent_thistime) {
222 if (data_alignment_offset != 0) {
223 memset((smb_buf(req->outbuf)+alignment_offset+
224 params_sent_thistime), 0,
225 data_alignment_offset);
227 memcpy(smb_buf(req->outbuf)+alignment_offset
228 +params_sent_thistime+data_alignment_offset,
229 pd,data_sent_thistime);
232 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
233 params_sent_thistime, data_sent_thistime, useable_space));
234 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
235 params_to_send, data_to_send, paramsize, datasize));
237 if (NT_STATUS_V(nt_error)) {
238 error_packet_set((char *)req->outbuf,
243 /* Send the packet */
244 show_msg((char *)req->outbuf);
245 if (!send_smb(smbd_server_fd(),(char *)req->outbuf)) {
246 exit_server_cleanly("send_nt_replies: send_smb failed.");
249 TALLOC_FREE(req->outbuf);
251 pp += params_sent_thistime;
252 pd += data_sent_thistime;
254 params_to_send -= params_sent_thistime;
255 data_to_send -= data_sent_thistime;
261 if(params_to_send < 0 || data_to_send < 0) {
262 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
263 params_to_send, data_to_send));
269 /****************************************************************************
270 Is it an NTFS stream name ?
271 ****************************************************************************/
273 bool is_ntfs_stream_name(const char *fname)
275 if (lp_posix_pathnames()) {
278 return (strchr_m(fname, ':') != NULL) ? True : False;
281 struct case_semantics_state {
282 connection_struct *conn;
285 bool short_case_preserve;
288 /****************************************************************************
289 Restore case semantics.
290 ****************************************************************************/
291 static int restore_case_semantics(struct case_semantics_state *state)
293 state->conn->case_sensitive = state->case_sensitive;
294 state->conn->case_preserve = state->case_preserve;
295 state->conn->short_case_preserve = state->short_case_preserve;
299 /****************************************************************************
301 ****************************************************************************/
302 static struct case_semantics_state *set_posix_case_semantics(TALLOC_CTX *mem_ctx,
303 connection_struct *conn)
305 struct case_semantics_state *result;
307 if (!(result = talloc(mem_ctx, struct case_semantics_state))) {
308 DEBUG(0, ("talloc failed\n"));
313 result->case_sensitive = conn->case_sensitive;
314 result->case_preserve = conn->case_preserve;
315 result->short_case_preserve = conn->short_case_preserve;
318 conn->case_sensitive = True;
319 conn->case_preserve = True;
320 conn->short_case_preserve = True;
322 talloc_set_destructor(result, restore_case_semantics);
327 /****************************************************************************
328 Reply to an NT create and X call on a pipe
329 ****************************************************************************/
331 static void nt_open_pipe(char *fname, connection_struct *conn,
332 struct smb_request *req, int *ppnum)
334 smb_np_struct *p = NULL;
337 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
339 /* See if it is one we want to handle. */
341 if (lp_disable_spoolss() && strequal(fname, "\\spoolss")) {
342 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
347 for( i = 0; known_nt_pipes[i]; i++ ) {
348 if( strequal(fname,known_nt_pipes[i])) {
353 if ( known_nt_pipes[i] == NULL ) {
354 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
359 /* Strip \\ off the name. */
362 DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
364 p = open_rpc_pipe_p(fname, conn, req->vuid);
366 reply_doserror(req, ERRSRV, ERRnofids);
370 /* TODO: Add pipe to db */
372 if ( !store_pipe_opendb( p ) ) {
373 DEBUG(3,("nt_open_pipe: failed to store %s pipe open.\n", fname));
380 /****************************************************************************
381 Reply to an NT create and X call for pipes.
382 ****************************************************************************/
384 static void do_ntcreate_pipe_open(connection_struct *conn,
385 struct smb_request *req)
390 uint32 flags = IVAL(req->inbuf,smb_ntcreate_Flags);
391 TALLOC_CTX *ctx = talloc_tos();
393 srvstr_pull_buf_talloc(ctx, (char *)req->inbuf, req->flags2, &fname,
394 smb_buf(req->inbuf), STR_TERMINATE);
397 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
401 nt_open_pipe(fname, conn, req, &pnum);
409 * Deal with pipe return.
412 if (flags & EXTENDED_RESPONSE_REQUIRED) {
413 /* This is very strange. We
414 * return 50 words, but only set
415 * the wcnt to 42 ? It's definately
416 * what happens on the wire....
418 reply_outbuf(req, 50, 0);
419 SCVAL(req->outbuf,smb_wct,42);
421 reply_outbuf(req, 34, 0);
424 p = (char *)req->outbuf + smb_vwv2;
428 SIVAL(p,0,FILE_WAS_OPENED);
431 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
434 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
436 SSVAL(p,2, 0x5FF); /* ? */
439 if (flags & EXTENDED_RESPONSE_REQUIRED) {
441 SIVAL(p,0,FILE_GENERIC_ALL);
443 * For pipes W2K3 seems to return
445 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
447 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
450 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
455 /****************************************************************************
456 Reply to an NT create and X call for a quota file.
457 ****************************************************************************/
459 static void reply_ntcreate_and_X_quota(connection_struct *conn,
460 struct smb_request *req,
461 enum FAKE_FILE_TYPE fake_file_type,
465 uint32 desired_access = IVAL(req->inbuf,smb_ntcreate_DesiredAccess);
469 status = open_fake_file(conn, fake_file_type, fname, desired_access,
472 if (!NT_STATUS_IS_OK(status)) {
473 reply_nterror(req, status);
477 reply_outbuf(req, 34, 0);
479 p = (char *)req->outbuf + smb_vwv2;
481 /* SCVAL(p,0,NO_OPLOCK_RETURN); */
483 SSVAL(p,0,fsp->fnum);
485 DEBUG(5,("reply_ntcreate_and_X_quota: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
490 /****************************************************************************
491 Reply to an NT create and X call.
492 ****************************************************************************/
494 void reply_ntcreate_and_X(connection_struct *conn,
495 struct smb_request *req)
500 uint32 file_attributes;
502 uint32 create_disposition;
503 uint32 create_options;
505 SMB_BIG_UINT allocation_size;
506 /* Breakout the oplock request bits so we can set the
507 reply bits separately. */
508 int oplock_request = 0;
510 SMB_OFF_T file_len = 0;
511 SMB_STRUCT_STAT sbuf;
513 files_struct *fsp = NULL;
515 struct timespec c_timespec;
516 struct timespec a_timespec;
517 struct timespec m_timespec;
518 bool extended_oplock_granted = False;
520 struct case_semantics_state *case_state = NULL;
521 TALLOC_CTX *ctx = talloc_tos();
523 START_PROFILE(SMBntcreateX);
526 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
530 flags = IVAL(req->inbuf,smb_ntcreate_Flags);
531 access_mask = IVAL(req->inbuf,smb_ntcreate_DesiredAccess);
532 file_attributes = IVAL(req->inbuf,smb_ntcreate_FileAttributes);
533 share_access = IVAL(req->inbuf,smb_ntcreate_ShareAccess);
534 create_disposition = IVAL(req->inbuf,smb_ntcreate_CreateDisposition);
535 create_options = IVAL(req->inbuf,smb_ntcreate_CreateOptions);
536 root_dir_fid = (uint16)IVAL(req->inbuf,smb_ntcreate_RootDirectoryFid);
538 allocation_size = (SMB_BIG_UINT)IVAL(req->inbuf,smb_ntcreate_AllocationSize);
539 #ifdef LARGE_SMB_OFF_T
540 allocation_size |= (((SMB_BIG_UINT)IVAL(req->inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
543 srvstr_get_path(ctx, (char *)req->inbuf, req->flags2, &fname,
544 smb_buf(req->inbuf), 0, STR_TERMINATE, &status);
546 if (!NT_STATUS_IS_OK(status)) {
547 reply_nterror(req, status);
548 END_PROFILE(SMBntcreateX);
552 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
553 "file_attributes = 0x%x, share_access = 0x%x, "
554 "create_disposition = 0x%x create_options = 0x%x "
555 "root_dir_fid = 0x%x, fname = %s\n",
557 (unsigned int)access_mask,
558 (unsigned int)file_attributes,
559 (unsigned int)share_access,
560 (unsigned int)create_disposition,
561 (unsigned int)create_options,
562 (unsigned int)root_dir_fid,
566 * If it's an IPC, use the pipe handler.
570 if (lp_nt_pipe_support()) {
571 do_ntcreate_pipe_open(conn, req);
572 END_PROFILE(SMBntcreateX);
575 reply_doserror(req, ERRDOS, ERRnoaccess);
576 END_PROFILE(SMBntcreateX);
581 if (create_options & FILE_OPEN_BY_FILE_ID) {
582 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
583 END_PROFILE(SMBntcreateX);
591 if (root_dir_fid != 0) {
593 * This filename is relative to a directory fid.
595 char *parent_fname = NULL;
597 files_struct *dir_fsp = file_fsp(root_dir_fid);
600 reply_doserror(req, ERRDOS, ERRbadfid);
601 END_PROFILE(SMBntcreateX);
605 if(!dir_fsp->is_directory) {
608 * Check to see if this is a mac fork of some kind.
611 if( is_ntfs_stream_name(fname)) {
613 req, NT_STATUS_OBJECT_PATH_NOT_FOUND);
614 END_PROFILE(SMBntcreateX);
619 we need to handle the case when we get a
620 relative open relative to a file and the
621 pathname is blank - this is a reopen!
622 (hint from demyn plantenberg)
625 reply_doserror(req, ERRDOS, ERRbadfid);
626 END_PROFILE(SMBntcreateX);
630 if (ISDOT(dir_fsp->fsp_name)) {
632 * We're at the toplevel dir, the final file name
633 * must not contain ./, as this is filtered out
634 * normally by srvstr_get_path and unix_convert
635 * explicitly rejects paths containing ./.
637 parent_fname = talloc_strdup(ctx,"");
639 reply_nterror(req, NT_STATUS_NO_MEMORY);
640 END_PROFILE(SMBntcreateX);
644 size_t dir_name_len = strlen(dir_fsp->fsp_name);
647 * Copy in the base directory name.
650 parent_fname = TALLOC_ARRAY(ctx, char, dir_name_len+2);
652 reply_nterror(req, NT_STATUS_NO_MEMORY);
653 END_PROFILE(SMBntcreateX);
656 memcpy(parent_fname, dir_fsp->fsp_name,
660 * Ensure it ends in a '/'.
661 * We used TALLOC_SIZE +2 to add space for the '/'.
665 && (parent_fname[dir_name_len-1] != '\\')
666 && (parent_fname[dir_name_len-1] != '/')) {
667 parent_fname[dir_name_len] = '/';
668 parent_fname[dir_name_len+1] = '\0';
672 tmp = talloc_asprintf(ctx, "%s%s", parent_fname, fname);
674 reply_nterror(req, NT_STATUS_NO_MEMORY);
675 END_PROFILE(SMBntcreateX);
682 * Check to see if this is a mac fork of some kind.
685 if( is_ntfs_stream_name(fname)) {
686 enum FAKE_FILE_TYPE fake_file_type = is_fake_file(fname);
687 if (fake_file_type!=FAKE_FILE_TYPE_NONE) {
689 * Here we go! support for changing the disk quotas --metze
691 * We need to fake up to open this MAGIC QUOTA file
692 * and return a valid FID.
694 * w2k close this file directly after openening
695 * xp also tries a QUERY_FILE_INFO on the file and then close it
697 reply_ntcreate_and_X_quota(conn, req,
698 fake_file_type, fname);
700 reply_nterror(req, NT_STATUS_OBJECT_PATH_NOT_FOUND);
702 END_PROFILE(SMBntcreateX);
708 * Now contruct the smb_open_mode value from the filename,
709 * desired access and the share access.
711 status = resolve_dfspath(ctx, conn,
712 req->flags2 & FLAGS2_DFS_PATHNAMES,
715 if (!NT_STATUS_IS_OK(status)) {
716 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
717 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
719 END_PROFILE(SMBntcreateX);
722 reply_nterror(req, status);
723 END_PROFILE(SMBntcreateX);
727 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
728 if (oplock_request) {
729 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
733 * Ordinary file or directory.
737 * Check if POSIX semantics are wanted.
740 if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
741 case_state = set_posix_case_semantics(NULL, conn);
742 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
745 status = unix_convert(ctx, conn, fname, False, &fname, NULL, &sbuf);
746 if (!NT_STATUS_IS_OK(status)) {
747 TALLOC_FREE(case_state);
748 reply_nterror(req, status);
749 END_PROFILE(SMBntcreateX);
752 /* All file access must go through check_name() */
753 status = check_name(conn, fname);
754 if (!NT_STATUS_IS_OK(status)) {
755 TALLOC_FREE(case_state);
756 reply_nterror(req, status);
757 END_PROFILE(SMBntcreateX);
761 /* This is the correct thing to do (check every time) but can_delete is
762 expensive (it may have to read the parent directory permissions). So
763 for now we're not doing it unless we have a strong hint the client
764 is really going to delete this file. If the client is forcing FILE_CREATE
765 let the filesystem take care of the permissions. */
767 /* Setting FILE_SHARE_DELETE is the hint. */
769 if (lp_acl_check_permissions(SNUM(conn))
770 && (create_disposition != FILE_CREATE)
771 && (share_access & FILE_SHARE_DELETE)
772 && (access_mask & DELETE_ACCESS)) {
773 if (((dos_mode(conn, fname, &sbuf) & FILE_ATTRIBUTE_READONLY)
774 && !lp_delete_readonly(SNUM(conn))) ||
775 !can_delete_file_in_directory(conn, fname)) {
776 TALLOC_FREE(case_state);
777 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
778 END_PROFILE(SMBntcreateX);
784 /* We need to support SeSecurityPrivilege for this. */
785 if ((access_mask & SEC_RIGHT_SYSTEM_SECURITY) &&
786 !user_has_privileges(current_user.nt_user_token,
788 TALLOC_FREE(case_state);
789 END_PROFILE(SMBntcreateX);
790 return ERROR_NT(NT_STATUS_PRIVILEGE_NOT_HELD);
795 * If it's a request for a directory open, deal with it separately.
798 if(create_options & FILE_DIRECTORY_FILE) {
800 /* Can't open a temp directory. IFS kit test. */
801 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
802 TALLOC_FREE(case_state);
803 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
804 END_PROFILE(SMBntcreateX);
809 status = open_directory(conn, req, fname, &sbuf,
820 * Ordinary file case.
823 /* NB. We have a potential bug here. If we
824 * cause an oplock break to ourselves, then we
825 * could end up processing filename related
826 * SMB requests whilst we await the oplock
827 * break response. As we may have changed the
828 * filename case semantics to be POSIX-like,
829 * this could mean a filename request could
830 * fail when it should succeed. This is a rare
831 * condition, but eventually we must arrange
832 * to restore the correct case semantics
833 * before issuing an oplock break request to
834 * our client. JRA. */
836 status = open_file_ntcreate(conn, req, fname, &sbuf,
845 /* We cheat here. There are two cases we
846 * care about. One is a directory rename,
847 * where the NT client will attempt to
848 * open the source directory for
849 * DELETE access. Note that when the
850 * NT client does this it does *not*
851 * set the directory bit in the
852 * request packet. This is translated
853 * into a read/write open
854 * request. POSIX states that any open
855 * for write request on a directory
856 * will generate an EISDIR error, so
857 * we can catch this here and open a
858 * pseudo handle that is flagged as a
859 * directory. The second is an open
860 * for a permissions read only, which
861 * we handle in the open_file_stat case. JRA.
864 if (NT_STATUS_EQUAL(status, NT_STATUS_FILE_IS_A_DIRECTORY)) {
867 * Fail the open if it was explicitly a non-directory
871 if (create_options & FILE_NON_DIRECTORY_FILE) {
872 TALLOC_FREE(case_state);
873 reply_force_nterror(req,
874 NT_STATUS_FILE_IS_A_DIRECTORY);
875 END_PROFILE(SMBntcreateX);
880 status = open_directory(conn, req, fname,
891 TALLOC_FREE(case_state);
893 if (!NT_STATUS_IS_OK(status)) {
894 if (open_was_deferred(req->mid)) {
895 /* We have re-scheduled this call. */
896 END_PROFILE(SMBntcreateX);
899 reply_openerror(req, status);
900 END_PROFILE(SMBntcreateX);
904 file_len = sbuf.st_size;
905 fattr = dos_mode(conn,fname,&sbuf);
907 fattr = FILE_ATTRIBUTE_NORMAL;
909 if (!fsp->is_directory && (fattr & aDIR)) {
910 close_file(fsp,ERROR_CLOSE);
911 reply_doserror(req, ERRDOS, ERRnoaccess);
912 END_PROFILE(SMBntcreateX);
916 /* Save the requested allocation size. */
917 if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
918 if (allocation_size && (allocation_size > (SMB_BIG_UINT)file_len)) {
919 fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
920 if (fsp->is_directory) {
921 close_file(fsp,ERROR_CLOSE);
922 /* Can't set allocation size on a directory. */
923 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
924 END_PROFILE(SMBntcreateX);
927 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
928 close_file(fsp,ERROR_CLOSE);
929 reply_nterror(req, NT_STATUS_DISK_FULL);
930 END_PROFILE(SMBntcreateX);
934 fsp->initial_allocation_size = smb_roundup(fsp->conn,(SMB_BIG_UINT)file_len);
939 * If the caller set the extended oplock request bit
940 * and we granted one (by whatever means) - set the
941 * correct bit for extended oplock reply.
944 if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
945 extended_oplock_granted = True;
948 if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
949 extended_oplock_granted = True;
952 if (flags & EXTENDED_RESPONSE_REQUIRED) {
953 /* This is very strange. We
954 * return 50 words, but only set
955 * the wcnt to 42 ? It's definately
956 * what happens on the wire....
958 reply_outbuf(req, 50, 0);
959 SCVAL(req->outbuf,smb_wct,42);
961 reply_outbuf(req, 34, 0);
964 p = (char *)req->outbuf + smb_vwv2;
967 * Currently as we don't support level II oplocks we just report
968 * exclusive & batch here.
971 if (extended_oplock_granted) {
972 if (flags & REQUEST_BATCH_OPLOCK) {
973 SCVAL(p,0, BATCH_OPLOCK_RETURN);
975 SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
977 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
978 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
980 SCVAL(p,0,NO_OPLOCK_RETURN);
984 SSVAL(p,0,fsp->fnum);
986 if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
987 SIVAL(p,0,FILE_WAS_SUPERSEDED);
994 c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
995 a_timespec = get_atimespec(&sbuf);
996 m_timespec = get_mtimespec(&sbuf);
998 if (lp_dos_filetime_resolution(SNUM(conn))) {
999 dos_filetime_timespec(&c_timespec);
1000 dos_filetime_timespec(&a_timespec);
1001 dos_filetime_timespec(&m_timespec);
1004 put_long_date_timespec(p, c_timespec); /* create time. */
1006 put_long_date_timespec(p, a_timespec); /* access time */
1008 put_long_date_timespec(p, m_timespec); /* write time */
1010 put_long_date_timespec(p, m_timespec); /* change time */
1012 SIVAL(p,0,fattr); /* File Attributes. */
1014 SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1016 SOFF_T(p,0,file_len);
1018 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1022 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1024 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1027 if (fsp->is_directory || can_write_to_file(conn, fname, &sbuf)) {
1028 perms = FILE_GENERIC_ALL;
1030 perms = FILE_GENERIC_READ|FILE_EXECUTE;
1035 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
1038 END_PROFILE(SMBntcreateX);
1042 /****************************************************************************
1043 Reply to a NT_TRANSACT_CREATE call to open a pipe.
1044 ****************************************************************************/
1046 static void do_nt_transact_create_pipe(connection_struct *conn,
1047 struct smb_request *req,
1048 uint16 **ppsetup, uint32 setup_count,
1049 char **ppparams, uint32 parameter_count,
1050 char **ppdata, uint32 data_count)
1053 char *params = *ppparams;
1059 TALLOC_CTX *ctx = talloc_tos();
1062 * Ensure minimum number of parameters sent.
1065 if(parameter_count < 54) {
1066 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1067 reply_doserror(req, ERRDOS, ERRnoaccess);
1071 flags = IVAL(params,0);
1073 srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
1074 parameter_count-53, STR_TERMINATE,
1076 if (!NT_STATUS_IS_OK(status)) {
1077 reply_nterror(req, status);
1081 nt_open_pipe(fname, conn, req, &pnum);
1088 /* Realloc the size of parameters and data we will return */
1089 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1090 /* Extended response is 32 more byyes. */
1095 params = nttrans_realloc(ppparams, param_len);
1096 if(params == NULL) {
1097 reply_doserror(req, ERRDOS, ERRnomem);
1102 SCVAL(p,0,NO_OPLOCK_RETURN);
1107 SIVAL(p,0,FILE_WAS_OPENED);
1111 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
1114 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
1116 SSVAL(p,2, 0x5FF); /* ? */
1119 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1121 SIVAL(p,0,FILE_GENERIC_ALL);
1123 * For pipes W2K3 seems to return
1125 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
1127 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
1130 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
1132 /* Send the required number of replies */
1133 send_nt_replies(req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1138 /****************************************************************************
1139 Internal fn to set security descriptors.
1140 ****************************************************************************/
1142 static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent)
1145 SEC_DESC *psd = NULL;
1146 TALLOC_CTX *mem_ctx;
1149 if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
1150 return NT_STATUS_OK;
1154 * Init the parse struct we will unmarshall from.
1157 if ((mem_ctx = talloc_init("set_sd")) == NULL) {
1158 DEBUG(0,("set_sd: talloc_init failed.\n"));
1159 return NT_STATUS_NO_MEMORY;
1162 prs_init(&pd, 0, mem_ctx, UNMARSHALL);
1165 * Setup the prs_struct to point at the memory we just
1169 prs_give_memory( &pd, data, sd_len, False);
1172 * Finally, unmarshall from the data buffer.
1175 if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1176 DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
1178 * Return access denied for want of a better error message..
1180 talloc_destroy(mem_ctx);
1181 return NT_STATUS_NO_MEMORY;
1184 if (psd->owner_sid==0) {
1185 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
1187 if (psd->group_sid==0) {
1188 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
1191 security_info_sent &= ~SACL_SECURITY_INFORMATION;
1194 security_info_sent &= ~DACL_SECURITY_INFORMATION;
1197 status = SMB_VFS_FSET_NT_ACL( fsp, fsp->fh->fd, security_info_sent, psd);
1199 talloc_destroy(mem_ctx);
1203 /****************************************************************************
1204 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
1205 ****************************************************************************/
1207 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
1209 struct ea_list *ea_list_head = NULL;
1212 if (data_size < 4) {
1216 while (offset + 4 <= data_size) {
1217 size_t next_offset = IVAL(pdata,offset);
1218 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
1224 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
1225 if (next_offset == 0) {
1228 offset += next_offset;
1231 return ea_list_head;
1234 /****************************************************************************
1235 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1236 ****************************************************************************/
1238 static void call_nt_transact_create(connection_struct *conn,
1239 struct smb_request *req,
1240 uint16 **ppsetup, uint32 setup_count,
1241 char **ppparams, uint32 parameter_count,
1242 char **ppdata, uint32 data_count,
1243 uint32 max_data_count)
1246 char *params = *ppparams;
1247 char *data = *ppdata;
1248 /* Breakout the oplock request bits so we can set the reply bits separately. */
1249 int oplock_request = 0;
1251 SMB_OFF_T file_len = 0;
1252 SMB_STRUCT_STAT sbuf;
1254 files_struct *fsp = NULL;
1256 bool extended_oplock_granted = False;
1259 uint32 file_attributes;
1260 uint32 share_access;
1261 uint32 create_disposition;
1262 uint32 create_options;
1265 uint16 root_dir_fid;
1266 struct timespec c_timespec;
1267 struct timespec a_timespec;
1268 struct timespec m_timespec;
1269 struct ea_list *ea_list = NULL;
1273 struct case_semantics_state *case_state = NULL;
1274 SMB_BIG_UINT allocation_size;
1275 TALLOC_CTX *ctx = talloc_tos();
1277 DEBUG(5,("call_nt_transact_create\n"));
1280 * If it's an IPC, use the pipe handler.
1284 if (lp_nt_pipe_support()) {
1285 do_nt_transact_create_pipe(
1287 ppsetup, setup_count,
1288 ppparams, parameter_count,
1289 ppdata, data_count);
1292 reply_doserror(req, ERRDOS, ERRnoaccess);
1298 * Ensure minimum number of parameters sent.
1301 if(parameter_count < 54) {
1302 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1303 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1307 flags = IVAL(params,0);
1308 access_mask = IVAL(params,8);
1309 file_attributes = IVAL(params,20);
1310 share_access = IVAL(params,24);
1311 create_disposition = IVAL(params,28);
1312 create_options = IVAL(params,32);
1313 sd_len = IVAL(params,36);
1314 ea_len = IVAL(params,40);
1315 root_dir_fid = (uint16)IVAL(params,4);
1316 allocation_size = (SMB_BIG_UINT)IVAL(params,12);
1317 #ifdef LARGE_SMB_OFF_T
1318 allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
1321 /* Ensure the data_len is correct for the sd and ea values given. */
1322 if ((ea_len + sd_len > data_count) ||
1323 (ea_len > data_count) || (sd_len > data_count) ||
1324 (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1325 DEBUG(10,("call_nt_transact_create - ea_len = %u, sd_len = %u, data_count = %u\n",
1326 (unsigned int)ea_len, (unsigned int)sd_len, (unsigned int)data_count ));
1327 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1332 if (!lp_ea_support(SNUM(conn))) {
1333 DEBUG(10,("call_nt_transact_create - ea_len = %u but EA's not supported.\n",
1334 (unsigned int)ea_len ));
1335 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1340 DEBUG(10,("call_nt_transact_create - ea_len = %u - too small (should be more than 10)\n",
1341 (unsigned int)ea_len ));
1342 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1347 srvstr_get_path(ctx, params, req->flags2, &fname,
1348 params+53, parameter_count-53,
1349 STR_TERMINATE, &status);
1350 if (!NT_STATUS_IS_OK(status)) {
1351 reply_nterror(req, status);
1355 if (create_options & FILE_OPEN_BY_FILE_ID) {
1356 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1361 * Get the file name.
1364 if(root_dir_fid != 0) {
1366 * This filename is relative to a directory fid.
1368 char *parent_fname = NULL;
1370 files_struct *dir_fsp = file_fsp(root_dir_fid);
1373 reply_doserror(req, ERRDOS, ERRbadfid);
1377 if(!dir_fsp->is_directory) {
1380 * Check to see if this is a mac fork of some kind.
1383 if( is_ntfs_stream_name(fname)) {
1385 NT_STATUS_OBJECT_PATH_NOT_FOUND);
1390 we need to handle the case when we get a
1391 relative open relative to a file and the
1392 pathname is blank - this is a reopen!
1393 (hint from demyn plantenberg)
1396 reply_doserror(req, ERRDOS, ERRbadfid);
1400 if (ISDOT(dir_fsp->fsp_name)) {
1402 * We're at the toplevel dir, the final file name
1403 * must not contain ./, as this is filtered out
1404 * normally by srvstr_get_path and unix_convert
1405 * explicitly rejects paths containing ./.
1407 parent_fname = talloc_strdup(ctx,"");
1408 if (!parent_fname) {
1409 reply_nterror(req, NT_STATUS_NO_MEMORY);
1413 size_t dir_name_len = strlen(dir_fsp->fsp_name);
1416 * Copy in the base directory name.
1419 parent_fname = TALLOC_ARRAY(ctx, char, dir_name_len+2);
1421 reply_nterror(req, NT_STATUS_NO_MEMORY);
1424 memcpy(parent_fname, dir_fsp->fsp_name,
1428 * Ensure it ends in a '/'.
1429 * We used TALLOC_SIZE +2 to add space for the '/'.
1433 && (parent_fname[dir_name_len-1] != '\\')
1434 && (parent_fname[dir_name_len-1] != '/')) {
1435 parent_fname[dir_name_len] = '/';
1436 parent_fname[dir_name_len+1] = '\0';
1440 tmp = talloc_asprintf(ctx, "%s%s", parent_fname, fname);
1442 reply_nterror(req, NT_STATUS_NO_MEMORY);
1443 END_PROFILE(SMBntcreateX);
1450 * Check to see if this is a mac fork of some kind.
1453 if( is_ntfs_stream_name(fname)) {
1454 reply_nterror(req, NT_STATUS_OBJECT_PATH_NOT_FOUND);
1459 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1460 if (oplock_request) {
1461 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1465 * Ordinary file or directory.
1469 * Check if POSIX semantics are wanted.
1472 if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
1473 case_state = set_posix_case_semantics(NULL, conn);
1474 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
1477 status = resolve_dfspath(ctx, conn,
1478 req->flags2 & FLAGS2_DFS_PATHNAMES,
1481 if (!NT_STATUS_IS_OK(status)) {
1482 TALLOC_FREE(case_state);
1483 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1484 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1485 ERRSRV, ERRbadpath);
1488 reply_nterror(req, status);
1492 status = unix_convert(ctx, conn, fname, False, &fname, NULL, &sbuf);
1493 if (!NT_STATUS_IS_OK(status)) {
1494 TALLOC_FREE(case_state);
1495 reply_nterror(req, status);
1498 /* All file access must go through check_name() */
1499 status = check_name(conn, fname);
1500 if (!NT_STATUS_IS_OK(status)) {
1501 TALLOC_FREE(case_state);
1502 reply_nterror(req, status);
1506 /* This is the correct thing to do (check every time) but can_delete is
1507 expensive (it may have to read the parent directory permissions). So
1508 for now we're not doing it unless we have a strong hint the client
1509 is really going to delete this file. If the client is forcing FILE_CREATE
1510 let the filesystem take care of the permissions. */
1512 /* Setting FILE_SHARE_DELETE is the hint. */
1514 if (lp_acl_check_permissions(SNUM(conn))
1515 && (create_disposition != FILE_CREATE)
1516 && (share_access & FILE_SHARE_DELETE)
1517 && (access_mask & DELETE_ACCESS)) {
1518 if (((dos_mode(conn, fname, &sbuf) & FILE_ATTRIBUTE_READONLY)
1519 && !lp_delete_readonly(SNUM(conn))) ||
1520 !can_delete_file_in_directory(conn, fname)) {
1521 TALLOC_FREE(case_state);
1522 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1528 /* We need to support SeSecurityPrivilege for this. */
1529 if ((access_mask & SEC_RIGHT_SYSTEM_SECURITY) &&
1530 !user_has_privileges(current_user.nt_user_token,
1532 TALLOC_FREE(case_state);
1533 reply_nterror(req, NT_STATUS_PRIVILEGE_NOT_HELD);
1539 pdata = data + sd_len;
1541 /* We have already checked that ea_len <= data_count here. */
1542 ea_list = read_nttrans_ea_list(talloc_tos(), pdata,
1545 TALLOC_FREE(case_state);
1546 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1552 * If it's a request for a directory open, deal with it separately.
1555 if(create_options & FILE_DIRECTORY_FILE) {
1557 /* Can't open a temp directory. IFS kit test. */
1558 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
1559 TALLOC_FREE(case_state);
1560 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1565 * We will get a create directory here if the Win32
1566 * app specified a security descriptor in the
1567 * CreateDirectory() call.
1571 status = open_directory(conn, req, fname, &sbuf,
1581 * Ordinary file case.
1584 status = open_file_ntcreate(conn,req,fname,&sbuf,
1593 if (NT_STATUS_EQUAL(status, NT_STATUS_FILE_IS_A_DIRECTORY)) {
1596 * Fail the open if it was explicitly a non-directory file.
1599 if (create_options & FILE_NON_DIRECTORY_FILE) {
1600 TALLOC_FREE(case_state);
1601 reply_force_nterror(
1603 NT_STATUS_FILE_IS_A_DIRECTORY);
1608 status = open_directory(conn, req, fname,
1619 TALLOC_FREE(case_state);
1621 if(!NT_STATUS_IS_OK(status)) {
1622 if (open_was_deferred(req->mid)) {
1623 /* We have re-scheduled this call. */
1626 reply_openerror(req, status);
1631 * According to the MS documentation, the only time the security
1632 * descriptor is applied to the opened file is iff we *created* the
1633 * file; an existing file stays the same.
1635 * Also, it seems (from observation) that you can open the file with
1636 * any access mask but you can still write the sd. We need to override
1637 * the granted access before we call set_sd
1638 * Patch for bug #2242 from Tom Lackemann <cessnatomny@yahoo.com>.
1641 if (lp_nt_acl_support(SNUM(conn)) && sd_len && info == FILE_WAS_CREATED) {
1642 uint32 saved_access_mask = fsp->access_mask;
1644 /* We have already checked that sd_len <= data_count here. */
1646 fsp->access_mask = FILE_GENERIC_ALL;
1648 status = set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION);
1649 if (!NT_STATUS_IS_OK(status)) {
1650 close_file(fsp,ERROR_CLOSE);
1651 TALLOC_FREE(case_state);
1652 reply_nterror(req, status);
1655 fsp->access_mask = saved_access_mask;
1658 if (ea_len && (info == FILE_WAS_CREATED)) {
1659 status = set_ea(conn, fsp, fname, ea_list);
1660 if (!NT_STATUS_IS_OK(status)) {
1661 close_file(fsp,ERROR_CLOSE);
1662 TALLOC_FREE(case_state);
1663 reply_nterror(req, status);
1668 TALLOC_FREE(case_state);
1670 file_len = sbuf.st_size;
1671 fattr = dos_mode(conn,fname,&sbuf);
1673 fattr = FILE_ATTRIBUTE_NORMAL;
1675 if (!fsp->is_directory && (fattr & aDIR)) {
1676 close_file(fsp,ERROR_CLOSE);
1677 reply_doserror(req, ERRDOS, ERRnoaccess);
1681 /* Save the requested allocation size. */
1682 if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
1683 if (allocation_size && (allocation_size > file_len)) {
1684 fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
1685 if (fsp->is_directory) {
1686 close_file(fsp,ERROR_CLOSE);
1687 /* Can't set allocation size on a directory. */
1688 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1691 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1692 close_file(fsp,ERROR_CLOSE);
1693 reply_nterror(req, NT_STATUS_DISK_FULL);
1697 fsp->initial_allocation_size = smb_roundup(fsp->conn, (SMB_BIG_UINT)file_len);
1702 * If the caller set the extended oplock request bit
1703 * and we granted one (by whatever means) - set the
1704 * correct bit for extended oplock reply.
1707 if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1708 extended_oplock_granted = True;
1711 if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1712 extended_oplock_granted = True;
1715 /* Realloc the size of parameters and data we will return */
1716 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1717 /* Extended response is 32 more byyes. */
1722 params = nttrans_realloc(ppparams, param_len);
1723 if(params == NULL) {
1724 reply_doserror(req, ERRDOS, ERRnomem);
1729 if (extended_oplock_granted) {
1730 if (flags & REQUEST_BATCH_OPLOCK) {
1731 SCVAL(p,0, BATCH_OPLOCK_RETURN);
1733 SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
1735 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1736 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
1738 SCVAL(p,0,NO_OPLOCK_RETURN);
1742 SSVAL(p,0,fsp->fnum);
1744 if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
1745 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1752 c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1753 a_timespec = get_atimespec(&sbuf);
1754 m_timespec = get_mtimespec(&sbuf);
1756 if (lp_dos_filetime_resolution(SNUM(conn))) {
1757 dos_filetime_timespec(&c_timespec);
1758 dos_filetime_timespec(&a_timespec);
1759 dos_filetime_timespec(&m_timespec);
1762 put_long_date_timespec(p, c_timespec); /* create time. */
1764 put_long_date_timespec(p, a_timespec); /* access time */
1766 put_long_date_timespec(p, m_timespec); /* write time */
1768 put_long_date_timespec(p, m_timespec); /* change time */
1770 SIVAL(p,0,fattr); /* File Attributes. */
1772 SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1774 SOFF_T(p,0,file_len);
1776 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1780 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1782 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1785 if (fsp->is_directory || can_write_to_file(conn, fname, &sbuf)) {
1786 perms = FILE_GENERIC_ALL;
1788 perms = FILE_GENERIC_READ|FILE_EXECUTE;
1793 DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
1795 /* Send the required number of replies */
1796 send_nt_replies(req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1801 /****************************************************************************
1802 Reply to a NT CANCEL request.
1803 conn POINTER CAN BE NULL HERE !
1804 ****************************************************************************/
1806 void reply_ntcancel(connection_struct *conn, struct smb_request *req)
1809 * Go through and cancel any pending change notifies.
1812 START_PROFILE(SMBntcancel);
1813 remove_pending_change_notify_requests_by_mid(req->mid);
1814 remove_pending_lock_requests_by_mid(req->mid);
1815 srv_cancel_sign_response(req->mid);
1817 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1819 END_PROFILE(SMBntcancel);
1823 /****************************************************************************
1825 ****************************************************************************/
1827 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1828 connection_struct *conn,
1829 struct smb_request *req,
1830 const char *oldname_in,
1831 const char *newname_in,
1834 SMB_STRUCT_STAT sbuf1, sbuf2;
1835 char *oldname = NULL;
1836 char *newname = NULL;
1837 char *last_component_oldname = NULL;
1838 char *last_component_newname = NULL;
1839 files_struct *fsp1,*fsp2;
1843 NTSTATUS status = NT_STATUS_OK;
1848 if (!CAN_WRITE(conn)) {
1849 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1852 status = unix_convert(ctx, conn, oldname_in, False, &oldname,
1853 &last_component_oldname, &sbuf1);
1854 if (!NT_STATUS_IS_OK(status)) {
1858 status = check_name(conn, oldname);
1859 if (!NT_STATUS_IS_OK(status)) {
1863 /* Source must already exist. */
1864 if (!VALID_STAT(sbuf1)) {
1865 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1867 /* Ensure attributes match. */
1868 fattr = dos_mode(conn,oldname,&sbuf1);
1869 if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1870 return NT_STATUS_NO_SUCH_FILE;
1873 status = unix_convert(ctx, conn, newname_in, False, &newname,
1874 &last_component_newname, &sbuf2);
1875 if (!NT_STATUS_IS_OK(status)) {
1879 status = check_name(conn, newname);
1880 if (!NT_STATUS_IS_OK(status)) {
1884 /* Disallow if newname already exists. */
1885 if (VALID_STAT(sbuf2)) {
1886 return NT_STATUS_OBJECT_NAME_COLLISION;
1889 /* No links from a directory. */
1890 if (S_ISDIR(sbuf1.st_mode)) {
1891 return NT_STATUS_FILE_IS_A_DIRECTORY;
1894 /* Ensure this is within the share. */
1895 status = check_reduced_name(conn, oldname);
1896 if (!NT_STATUS_IS_OK(status)) {
1900 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1903 status = open_file_ntcreate(conn, req, oldname, &sbuf1,
1904 FILE_READ_DATA, /* Read-only. */
1905 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1907 0, /* No create options. */
1908 FILE_ATTRIBUTE_NORMAL,
1912 if (!NT_STATUS_IS_OK(status)) {
1916 status = open_file_ntcreate(conn, req, newname, &sbuf2,
1917 FILE_WRITE_DATA, /* Read-only. */
1918 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1920 0, /* No create options. */
1925 if (!NT_STATUS_IS_OK(status)) {
1926 close_file(fsp1,ERROR_CLOSE);
1930 if (sbuf1.st_size) {
1931 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1935 * As we are opening fsp1 read-only we only expect
1936 * an error on close on fsp2 if we are out of space.
1937 * Thus we don't look at the error return from the
1940 close_file(fsp1,NORMAL_CLOSE);
1942 /* Ensure the modtime is set correctly on the destination file. */
1943 fsp_set_pending_modtime(fsp2, get_mtimespec(&sbuf1));
1945 status = close_file(fsp2,NORMAL_CLOSE);
1947 /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1948 creates the file. This isn't the correct thing to do in the copy
1950 file_set_dosmode(conn, newname, fattr, &sbuf2,
1951 parent_dirname(newname),false);
1953 if (ret < (SMB_OFF_T)sbuf1.st_size) {
1954 return NT_STATUS_DISK_FULL;
1957 if (!NT_STATUS_IS_OK(status)) {
1958 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1959 nt_errstr(status), oldname, newname));
1964 /****************************************************************************
1965 Reply to a NT rename request.
1966 ****************************************************************************/
1968 void reply_ntrename(connection_struct *conn, struct smb_request *req)
1970 char *oldname = NULL;
1971 char *newname = NULL;
1974 bool src_has_wcard = False;
1975 bool dest_has_wcard = False;
1978 TALLOC_CTX *ctx = talloc_tos();
1980 START_PROFILE(SMBntrename);
1983 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1984 END_PROFILE(SMBntrename);
1988 attrs = SVAL(req->inbuf,smb_vwv0);
1989 rename_type = SVAL(req->inbuf,smb_vwv1);
1991 p = smb_buf(req->inbuf) + 1;
1992 p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &oldname, p,
1993 0, STR_TERMINATE, &status,
1995 if (!NT_STATUS_IS_OK(status)) {
1996 reply_nterror(req, status);
1997 END_PROFILE(SMBntrename);
2001 if( is_ntfs_stream_name(oldname)) {
2002 /* Can't rename a stream. */
2003 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2004 END_PROFILE(SMBntrename);
2008 if (ms_has_wild(oldname)) {
2009 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
2010 END_PROFILE(SMBntrename);
2015 p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &newname, p,
2016 0, STR_TERMINATE, &status,
2018 if (!NT_STATUS_IS_OK(status)) {
2019 reply_nterror(req, status);
2020 END_PROFILE(SMBntrename);
2024 status = resolve_dfspath(ctx, conn,
2025 req->flags2 & FLAGS2_DFS_PATHNAMES,
2028 if (!NT_STATUS_IS_OK(status)) {
2029 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
2030 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
2031 ERRSRV, ERRbadpath);
2032 END_PROFILE(SMBntrename);
2035 reply_nterror(req, status);
2036 END_PROFILE(SMBntrename);
2040 status = resolve_dfspath(ctx, conn,
2041 req->flags2 & FLAGS2_DFS_PATHNAMES,
2044 if (!NT_STATUS_IS_OK(status)) {
2045 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
2046 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
2047 ERRSRV, ERRbadpath);
2048 END_PROFILE(SMBntrename);
2051 reply_nterror(req, status);
2052 END_PROFILE(SMBntrename);
2056 DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
2058 switch(rename_type) {
2059 case RENAME_FLAG_RENAME:
2060 status = rename_internals(ctx, conn, req, oldname,
2061 newname, attrs, False, src_has_wcard,
2064 case RENAME_FLAG_HARD_LINK:
2065 if (src_has_wcard || dest_has_wcard) {
2067 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
2069 status = hardlink_internals(ctx,
2075 case RENAME_FLAG_COPY:
2076 if (src_has_wcard || dest_has_wcard) {
2078 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
2080 status = copy_internals(ctx, conn, req, oldname,
2084 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
2085 status = NT_STATUS_INVALID_PARAMETER;
2088 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
2092 if (!NT_STATUS_IS_OK(status)) {
2093 if (open_was_deferred(req->mid)) {
2094 /* We have re-scheduled this call. */
2095 END_PROFILE(SMBntrename);
2099 reply_nterror(req, status);
2100 END_PROFILE(SMBntrename);
2104 reply_outbuf(req, 0, 0);
2106 END_PROFILE(SMBntrename);
2110 /****************************************************************************
2111 Reply to a notify change - queue the request and
2112 don't allow a directory to be opened.
2113 ****************************************************************************/
2115 static void call_nt_transact_notify_change(connection_struct *conn,
2116 struct smb_request *req,
2120 uint32 parameter_count,
2121 char **ppdata, uint32 data_count,
2122 uint32 max_data_count,
2123 uint32 max_param_count)
2125 uint16 *setup = *ppsetup;
2131 if(setup_count < 6) {
2132 reply_doserror(req, ERRDOS, ERRbadfunc);
2136 fsp = file_fsp(SVAL(setup,4));
2137 filter = IVAL(setup, 0);
2138 recursive = (SVAL(setup, 6) != 0) ? True : False;
2140 DEBUG(3,("call_nt_transact_notify_change\n"));
2143 reply_doserror(req, ERRDOS, ERRbadfid);
2148 char *filter_string;
2150 if (!(filter_string = notify_filter_string(NULL, filter))) {
2151 reply_nterror(req,NT_STATUS_NO_MEMORY);
2155 DEBUG(3,("call_nt_transact_notify_change: notify change "
2156 "called on %s, filter = %s, recursive = %d\n",
2157 fsp->fsp_name, filter_string, recursive));
2159 TALLOC_FREE(filter_string);
2162 if((!fsp->is_directory) || (conn != fsp->conn)) {
2163 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2167 if (fsp->notify == NULL) {
2169 status = change_notify_create(fsp, filter, recursive);
2171 if (!NT_STATUS_IS_OK(status)) {
2172 DEBUG(10, ("change_notify_create returned %s\n",
2173 nt_errstr(status)));
2174 reply_nterror(req, status);
2179 if (fsp->notify->num_changes != 0) {
2182 * We've got changes pending, respond immediately
2186 * TODO: write a torture test to check the filtering behaviour
2190 change_notify_reply(req->inbuf, max_param_count, fsp->notify);
2193 * change_notify_reply() above has independently sent its
2200 * No changes pending, queue the request
2203 status = change_notify_add_request(req->inbuf, max_param_count, filter,
2205 if (!NT_STATUS_IS_OK(status)) {
2206 reply_nterror(req, status);
2211 /****************************************************************************
2212 Reply to an NT transact rename command.
2213 ****************************************************************************/
2215 static void call_nt_transact_rename(connection_struct *conn,
2216 struct smb_request *req,
2217 uint16 **ppsetup, uint32 setup_count,
2218 char **ppparams, uint32 parameter_count,
2219 char **ppdata, uint32 data_count,
2220 uint32 max_data_count)
2222 char *params = *ppparams;
2223 char *new_name = NULL;
2224 files_struct *fsp = NULL;
2225 bool replace_if_exists = False;
2226 bool dest_has_wcard = False;
2228 TALLOC_CTX *ctx = talloc_tos();
2230 if(parameter_count < 5) {
2231 reply_doserror(req, ERRDOS, ERRbadfunc);
2235 fsp = file_fsp(SVAL(params, 0));
2236 replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
2237 if (!check_fsp(conn, req, fsp, ¤t_user)) {
2240 srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
2241 parameter_count - 4,
2242 STR_TERMINATE, &status, &dest_has_wcard);
2243 if (!NT_STATUS_IS_OK(status)) {
2244 reply_nterror(req, status);
2248 status = rename_internals(ctx,
2258 if (!NT_STATUS_IS_OK(status)) {
2259 if (open_was_deferred(req->mid)) {
2260 /* We have re-scheduled this call. */
2263 reply_nterror(req, status);
2268 * Rename was successful.
2270 send_nt_replies(req, NT_STATUS_OK, NULL, 0, NULL, 0);
2272 DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
2273 fsp->fsp_name, new_name));
2278 /******************************************************************************
2279 Fake up a completely empty SD.
2280 *******************************************************************************/
2282 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
2286 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
2288 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
2289 return NT_STATUS_NO_MEMORY;
2292 return NT_STATUS_OK;
2295 /****************************************************************************
2296 Reply to query a security descriptor.
2297 ****************************************************************************/
2299 static void call_nt_transact_query_security_desc(connection_struct *conn,
2300 struct smb_request *req,
2304 uint32 parameter_count,
2307 uint32 max_data_count)
2309 char *params = *ppparams;
2310 char *data = *ppdata;
2312 SEC_DESC *psd = NULL;
2314 uint32 security_info_wanted;
2315 TALLOC_CTX *mem_ctx;
2316 files_struct *fsp = NULL;
2319 if(parameter_count < 8) {
2320 reply_doserror(req, ERRDOS, ERRbadfunc);
2324 fsp = file_fsp(SVAL(params,0));
2326 reply_doserror(req, ERRDOS, ERRbadfid);
2330 security_info_wanted = IVAL(params,4);
2332 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
2333 (unsigned int)security_info_wanted ));
2335 params = nttrans_realloc(ppparams, 4);
2336 if(params == NULL) {
2337 reply_doserror(req, ERRDOS, ERRnomem);
2341 if ((mem_ctx = talloc_init("call_nt_transact_query_security_desc")) == NULL) {
2342 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
2343 reply_doserror(req, ERRDOS, ERRnomem);
2348 * Get the permissions to return.
2351 if (!lp_nt_acl_support(SNUM(conn))) {
2352 status = get_null_nt_acl(mem_ctx, &psd);
2354 status = SMB_VFS_FGET_NT_ACL(fsp, fsp->fh->fd,
2355 security_info_wanted, &psd);
2358 if (!NT_STATUS_IS_OK(status)) {
2359 talloc_destroy(mem_ctx);
2360 reply_nterror(req, status);
2364 sd_size = sec_desc_size(psd);
2366 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
2368 SIVAL(params,0,(uint32)sd_size);
2370 if(max_data_count < sd_size) {
2372 send_nt_replies(req, NT_STATUS_BUFFER_TOO_SMALL,
2373 params, 4, *ppdata, 0);
2374 talloc_destroy(mem_ctx);
2379 * Allocate the data we will point this at.
2382 data = nttrans_realloc(ppdata, sd_size);
2384 talloc_destroy(mem_ctx);
2385 reply_doserror(req, ERRDOS, ERRnomem);
2390 * Init the parse struct we will marshall into.
2393 prs_init(&pd, 0, mem_ctx, MARSHALL);
2396 * Setup the prs_struct to point at the memory we just
2400 prs_give_memory( &pd, data, (uint32)sd_size, False);
2403 * Finally, linearize into the outgoing buffer.
2406 if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
2407 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
2408 security descriptor.\n"));
2410 * Return access denied for want of a better error message..
2412 talloc_destroy(mem_ctx);
2413 reply_unixerror(req, ERRDOS, ERRnoaccess);
2418 * Now we can delete the security descriptor.
2421 talloc_destroy(mem_ctx);
2423 send_nt_replies(req, NT_STATUS_OK, params, 4, data, (int)sd_size);
2427 /****************************************************************************
2428 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2429 ****************************************************************************/
2431 static void call_nt_transact_set_security_desc(connection_struct *conn,
2432 struct smb_request *req,
2436 uint32 parameter_count,
2439 uint32 max_data_count)
2441 char *params= *ppparams;
2442 char *data = *ppdata;
2443 files_struct *fsp = NULL;
2444 uint32 security_info_sent = 0;
2447 if(parameter_count < 8) {
2448 reply_doserror(req, ERRDOS, ERRbadfunc);
2452 if((fsp = file_fsp(SVAL(params,0))) == NULL) {
2453 reply_doserror(req, ERRDOS, ERRbadfid);
2457 if(!lp_nt_acl_support(SNUM(conn))) {
2461 security_info_sent = IVAL(params,4);
2463 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
2464 (unsigned int)security_info_sent ));
2466 if (data_count == 0) {
2467 reply_doserror(req, ERRDOS, ERRnoaccess);
2471 if (!NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, data_count, security_info_sent))) {
2472 reply_nterror(req, nt_status);
2478 send_nt_replies(req, NT_STATUS_OK, NULL, 0, NULL, 0);
2482 /****************************************************************************
2484 ****************************************************************************/
2486 static void call_nt_transact_ioctl(connection_struct *conn,
2487 struct smb_request *req,
2488 uint16 **ppsetup, uint32 setup_count,
2489 char **ppparams, uint32 parameter_count,
2490 char **ppdata, uint32 data_count,
2491 uint32 max_data_count)
2498 static bool logged_message;
2499 char *pdata = *ppdata;
2501 if (setup_count != 8) {
2502 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2503 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2507 function = IVAL(*ppsetup, 0);
2508 fidnum = SVAL(*ppsetup, 4);
2509 isFSctl = CVAL(*ppsetup, 6);
2510 compfilter = CVAL(*ppsetup, 7);
2512 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2513 function, fidnum, isFSctl, compfilter));
2515 fsp=file_fsp(fidnum);
2516 /* this check is done in each implemented function case for now
2517 because I don't want to break anything... --metze
2518 FSP_BELONGS_CONN(fsp,conn);*/
2521 case FSCTL_SET_SPARSE:
2522 /* pretend this succeeded - tho strictly we should
2523 mark the file sparse (if the local fs supports it)
2524 so we can know if we need to pre-allocate or not */
2526 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2527 send_nt_replies(req, NT_STATUS_OK, NULL, 0, NULL, 0);
2530 case FSCTL_CREATE_OR_GET_OBJECT_ID:
2532 unsigned char objid[16];
2534 /* This should return the object-id on this file.
2535 * I think I'll make this be the inode+dev. JRA.
2538 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
2540 if (!fsp_belongs_conn(conn, req, fsp, ¤t_user)) {
2545 pdata = nttrans_realloc(ppdata, data_count);
2546 if (pdata == NULL) {
2547 reply_nterror(req, NT_STATUS_NO_MEMORY);
2550 push_file_id_16(pdata, &fsp->file_id);
2551 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
2552 push_file_id_16(pdata+32, &fsp->file_id);
2553 send_nt_replies(req, NT_STATUS_OK, NULL, 0,
2558 case FSCTL_GET_REPARSE_POINT:
2559 /* pretend this fail - my winXP does it like this
2563 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2564 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2567 case FSCTL_SET_REPARSE_POINT:
2568 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2572 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2573 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2576 case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2579 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2580 * and return their volume names. If max_data_count is 16, then it is just
2581 * asking for the number of volumes and length of the combined names.
2583 * pdata is the data allocated by our caller, but that uses
2584 * total_data_count (which is 0 in our case) rather than max_data_count.
2585 * Allocate the correct amount and return the pointer to let
2586 * it be deallocated when we return.
2588 SHADOW_COPY_DATA *shadow_data = NULL;
2589 TALLOC_CTX *shadow_mem_ctx = NULL;
2590 bool labels = False;
2591 uint32 labels_data_count = 0;
2595 if (!fsp_belongs_conn(conn, req, fsp, ¤t_user)) {
2599 if (max_data_count < 16) {
2600 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2602 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2606 if (max_data_count > 16) {
2610 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2611 if (shadow_mem_ctx == NULL) {
2612 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2613 reply_nterror(req, NT_STATUS_NO_MEMORY);
2617 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2618 if (shadow_data == NULL) {
2619 DEBUG(0,("TALLOC_ZERO() failed!\n"));
2620 talloc_destroy(shadow_mem_ctx);
2621 reply_nterror(req, NT_STATUS_NO_MEMORY);
2625 shadow_data->mem_ctx = shadow_mem_ctx;
2628 * Call the VFS routine to actually do the work.
2630 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2631 talloc_destroy(shadow_data->mem_ctx);
2632 if (errno == ENOSYS) {
2633 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2634 conn->connectpath));
2635 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2638 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2639 conn->connectpath));
2640 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
2645 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2650 data_count = 12+labels_data_count+4;
2653 if (max_data_count<data_count) {
2654 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2655 max_data_count,data_count));
2656 talloc_destroy(shadow_data->mem_ctx);
2657 reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
2661 pdata = nttrans_realloc(ppdata, data_count);
2662 if (pdata == NULL) {
2663 talloc_destroy(shadow_data->mem_ctx);
2664 reply_nterror(req, NT_STATUS_NO_MEMORY);
2670 /* num_volumes 4 bytes */
2671 SIVAL(pdata,0,shadow_data->num_volumes);
2674 /* num_labels 4 bytes */
2675 SIVAL(pdata,4,shadow_data->num_volumes);
2678 /* needed_data_count 4 bytes */
2679 SIVAL(pdata,8,labels_data_count);
2683 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2684 shadow_data->num_volumes,fsp->fsp_name));
2685 if (labels && shadow_data->labels) {
2686 for (i=0;i<shadow_data->num_volumes;i++) {
2687 srvstr_push(pdata, req->flags2,
2688 cur_pdata, shadow_data->labels[i],
2689 2*sizeof(SHADOW_COPY_LABEL),
2690 STR_UNICODE|STR_TERMINATE);
2691 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2692 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2696 talloc_destroy(shadow_data->mem_ctx);
2698 send_nt_replies(req, NT_STATUS_OK, NULL, 0,
2704 case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2706 /* pretend this succeeded -
2708 * we have to send back a list with all files owned by this SID
2710 * but I have to check that --metze
2714 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2716 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2718 if (!fsp_belongs_conn(conn, req, fsp, ¤t_user)) {
2722 /* unknown 4 bytes: this is not the length of the sid :-( */
2723 /*unknown = IVAL(pdata,0);*/
2725 sid_parse(pdata+4,sid_len,&sid);
2726 DEBUGADD(10,("for SID: %s\n",sid_string_static(&sid)));
2728 if (!sid_to_uid(&sid, &uid)) {
2729 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2730 sid_string_static(&sid),(unsigned long)sid_len));
2734 /* we can take a look at the find source :-)
2736 * find ./ -uid $uid -name '*' is what we need here
2739 * and send 4bytes len and then NULL terminated unicode strings
2742 * but I don't know how to deal with the paged results
2743 * (maybe we can hang the result anywhere in the fsp struct)
2745 * we don't send all files at once
2746 * and at the next we should *not* start from the beginning,
2747 * so we have to cache the result
2752 /* this works for now... */
2753 send_nt_replies(req, NT_STATUS_OK, NULL, 0, NULL, 0);
2757 if (!logged_message) {
2758 logged_message = True; /* Only print this once... */
2759 DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2764 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2768 #ifdef HAVE_SYS_QUOTAS
2769 /****************************************************************************
2770 Reply to get user quota
2771 ****************************************************************************/
2773 static void call_nt_transact_get_user_quota(connection_struct *conn,
2774 struct smb_request *req,
2778 uint32 parameter_count,
2781 uint32 max_data_count)
2783 NTSTATUS nt_status = NT_STATUS_OK;
2784 char *params = *ppparams;
2785 char *pdata = *ppdata;
2787 int data_len=0,param_len=0;
2790 files_struct *fsp = NULL;
2794 bool start_enum = True;
2795 SMB_NTQUOTA_STRUCT qt;
2796 SMB_NTQUOTA_LIST *tmp_list;
2797 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2802 if (current_user.ut.uid != 0) {
2803 DEBUG(1,("get_user_quota: access_denied service [%s] user [%s]\n",
2804 lp_servicename(SNUM(conn)),conn->user));
2805 reply_doserror(req, ERRDOS, ERRnoaccess);
2810 * Ensure minimum number of parameters sent.
2813 if (parameter_count < 4) {
2814 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2815 reply_doserror(req, ERRDOS, ERRinvalidparam);
2819 /* maybe we can check the quota_fnum */
2820 fsp = file_fsp(SVAL(params,0));
2821 if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2822 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2823 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2827 /* the NULL pointer checking for fsp->fake_file_handle->pd
2828 * is done by CHECK_NTQUOTA_HANDLE_OK()
2830 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
2832 level = SVAL(params,2);
2834 /* unknown 12 bytes leading in params */
2837 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2838 /* seems that we should continue with the enum here --metze */
2840 if (qt_handle->quota_list!=NULL &&
2841 qt_handle->tmp_list==NULL) {
2844 free_ntquota_list(&(qt_handle->quota_list));
2846 /* Realloc the size of parameters and data we will return */
2848 params = nttrans_realloc(ppparams, param_len);
2849 if(params == NULL) {
2850 reply_doserror(req, ERRDOS, ERRnomem);
2855 SIVAL(params,0,data_len);
2862 case TRANSACT_GET_USER_QUOTA_LIST_START:
2864 if (qt_handle->quota_list==NULL &&
2865 qt_handle->tmp_list==NULL) {
2869 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2870 reply_doserror(req, ERRSRV, ERRerror);
2874 /* Realloc the size of parameters and data we will return */
2876 params = nttrans_realloc(ppparams, param_len);
2877 if(params == NULL) {
2878 reply_doserror(req, ERRDOS, ERRnomem);
2882 /* we should not trust the value in max_data_count*/
2883 max_data_count = MIN(max_data_count,2048);
2885 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2887 reply_doserror(req, ERRDOS, ERRnomem);
2893 /* set params Size of returned Quota Data 4 bytes*/
2894 /* but set it later when we know it */
2896 /* for each entry push the data */
2899 qt_handle->tmp_list = qt_handle->quota_list;
2902 tmp_list = qt_handle->tmp_list;
2904 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2905 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2907 sid_len = sid_size(&tmp_list->quotas->sid);
2908 entry_len = 40 + sid_len;
2910 /* nextoffset entry 4 bytes */
2911 SIVAL(entry,0,entry_len);
2913 /* then the len of the SID 4 bytes */
2914 SIVAL(entry,4,sid_len);
2916 /* unknown data 8 bytes SMB_BIG_UINT */
2917 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2919 /* the used disk space 8 bytes SMB_BIG_UINT */
2920 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2922 /* the soft quotas 8 bytes SMB_BIG_UINT */
2923 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2925 /* the hard quotas 8 bytes SMB_BIG_UINT */
2926 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2928 /* and now the SID */
2929 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2932 qt_handle->tmp_list = tmp_list;
2934 /* overwrite the offset of the last entry */
2935 SIVAL(entry-entry_len,0,0);
2937 data_len = 4+qt_len;
2938 /* overwrite the params quota_data_len */
2939 SIVAL(params,0,data_len);
2943 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2945 /* unknown 4 bytes IVAL(pdata,0) */
2947 if (data_count < 8) {
2948 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2949 reply_doserror(req, ERRDOS, ERRunknownlevel);
2953 sid_len = IVAL(pdata,4);
2954 /* Ensure this is less than 1mb. */
2955 if (sid_len > (1024*1024)) {
2956 reply_doserror(req, ERRDOS, ERRnomem);
2960 if (data_count < 8+sid_len) {
2961 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2962 reply_doserror(req, ERRDOS, ERRunknownlevel);
2966 data_len = 4+40+sid_len;
2968 if (max_data_count < data_len) {
2969 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2970 max_data_count, data_len));
2972 SIVAL(params,0,data_len);
2974 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2978 sid_parse(pdata+8,sid_len,&sid);
2980 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2983 * we have to return zero's in all fields
2984 * instead of returning an error here
2989 /* Realloc the size of parameters and data we will return */
2991 params = nttrans_realloc(ppparams, param_len);
2992 if(params == NULL) {
2993 reply_doserror(req, ERRDOS, ERRnomem);
2997 pdata = nttrans_realloc(ppdata, data_len);
2999 reply_doserror(req, ERRDOS, ERRnomem);
3005 /* set params Size of returned Quota Data 4 bytes*/
3006 SIVAL(params,0,data_len);
3008 /* nextoffset entry 4 bytes */
3011 /* then the len of the SID 4 bytes */
3012 SIVAL(entry,4,sid_len);
3014 /* unknown data 8 bytes SMB_BIG_UINT */
3015 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
3017 /* the used disk space 8 bytes SMB_BIG_UINT */
3018 SBIG_UINT(entry,16,qt.usedspace);
3020 /* the soft quotas 8 bytes SMB_BIG_UINT */
3021 SBIG_UINT(entry,24,qt.softlim);
3023 /* the hard quotas 8 bytes SMB_BIG_UINT */
3024 SBIG_UINT(entry,32,qt.hardlim);
3026 /* and now the SID */
3027 sid_linearize(entry+40, sid_len, &sid);
3032 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
3033 reply_doserror(req, ERRSRV, ERRerror);
3038 send_nt_replies(req, nt_status, params, param_len,
3042 /****************************************************************************
3043 Reply to set user quota
3044 ****************************************************************************/
3046 static void call_nt_transact_set_user_quota(connection_struct *conn,
3047 struct smb_request *req,
3051 uint32 parameter_count,
3054 uint32 max_data_count)
3056 char *params = *ppparams;
3057 char *pdata = *ppdata;
3058 int data_len=0,param_len=0;
3059 SMB_NTQUOTA_STRUCT qt;
3062 files_struct *fsp = NULL;
3067 if (current_user.ut.uid != 0) {
3068 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
3069 lp_servicename(SNUM(conn)),conn->user));
3070 reply_doserror(req, ERRDOS, ERRnoaccess);
3075 * Ensure minimum number of parameters sent.
3078 if (parameter_count < 2) {
3079 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
3080 reply_doserror(req, ERRDOS, ERRinvalidparam);
3084 /* maybe we can check the quota_fnum */
3085 fsp = file_fsp(SVAL(params,0));
3086 if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
3087 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
3088 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
3092 if (data_count < 40) {
3093 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
3094 reply_doserror(req, ERRDOS, ERRunknownlevel);
3098 /* offset to next quota record.
3099 * 4 bytes IVAL(pdata,0)
3104 sid_len = IVAL(pdata,4);
3106 if (data_count < 40+sid_len) {
3107 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
3108 reply_doserror(req, ERRDOS, ERRunknownlevel);
3112 /* unknown 8 bytes in pdata
3113 * maybe its the change time in NTTIME
3116 /* the used space 8 bytes (SMB_BIG_UINT)*/
3117 qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
3118 #ifdef LARGE_SMB_OFF_T
3119 qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
3120 #else /* LARGE_SMB_OFF_T */
3121 if ((IVAL(pdata,20) != 0)&&
3122 ((qt.usedspace != 0xFFFFFFFF)||
3123 (IVAL(pdata,20)!=0xFFFFFFFF))) {
3124 /* more than 32 bits? */
3125 reply_doserror(req, ERRDOS, ERRunknownlevel);
3128 #endif /* LARGE_SMB_OFF_T */
3130 /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
3131 qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
3132 #ifdef LARGE_SMB_OFF_T
3133 qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
3134 #else /* LARGE_SMB_OFF_T */
3135 if ((IVAL(pdata,28) != 0)&&
3136 ((qt.softlim != 0xFFFFFFFF)||
3137 (IVAL(pdata,28)!=0xFFFFFFFF))) {
3138 /* more than 32 bits? */
3139 reply_doserror(req, ERRDOS, ERRunknownlevel);
3142 #endif /* LARGE_SMB_OFF_T */
3144 /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
3145 qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
3146 #ifdef LARGE_SMB_OFF_T
3147 qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
3148 #else /* LARGE_SMB_OFF_T */
3149 if ((IVAL(pdata,36) != 0)&&
3150 ((qt.hardlim != 0xFFFFFFFF)||
3151 (IVAL(pdata,36)!=0xFFFFFFFF))) {
3152 /* more than 32 bits? */
3153 reply_doserror(req, ERRDOS, ERRunknownlevel);
3156 #endif /* LARGE_SMB_OFF_T */
3158 sid_parse(pdata+40,sid_len,&sid);
3159 DEBUGADD(8,("SID: %s\n",sid_string_static(&sid)));
3161 /* 44 unknown bytes left... */
3163 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
3164 reply_doserror(req, ERRSRV, ERRerror);
3168 send_nt_replies(req, NT_STATUS_OK, params, param_len,
3171 #endif /* HAVE_SYS_QUOTAS */
3173 static void handle_nttrans(connection_struct *conn,
3174 struct trans_state *state,
3175 struct smb_request *req)
3177 if (Protocol >= PROTOCOL_NT1) {
3178 req->flags2 |= 0x40; /* IS_LONG_NAME */
3179 SSVAL(req->inbuf,smb_flg2,req->flags2);
3182 /* Now we must call the relevant NT_TRANS function */
3183 switch(state->call) {
3184 case NT_TRANSACT_CREATE:
3186 START_PROFILE(NT_transact_create);
3187 call_nt_transact_create(
3189 &state->setup, state->setup_count,
3190 &state->param, state->total_param,
3191 &state->data, state->total_data,
3192 state->max_data_return);
3193 END_PROFILE(NT_transact_create);
3197 case NT_TRANSACT_IOCTL:
3199 START_PROFILE(NT_transact_ioctl);
3200 call_nt_transact_ioctl(
3202 &state->setup, state->setup_count,
3203 &state->param, state->total_param,
3204 &state->data, state->total_data,
3205 state->max_data_return);
3206 END_PROFILE(NT_transact_ioctl);
3210 case NT_TRANSACT_SET_SECURITY_DESC:
3212 START_PROFILE(NT_transact_set_security_desc);
3213 call_nt_transact_set_security_desc(
3215 &state->setup, state->setup_count,
3216 &state->param, state->total_param,
3217 &state->data, state->total_data,
3218 state->max_data_return);
3219 END_PROFILE(NT_transact_set_security_desc);
3223 case NT_TRANSACT_NOTIFY_CHANGE:
3225 START_PROFILE(NT_transact_notify_change);
3226 call_nt_transact_notify_change(
3228 &state->setup, state->setup_count,
3229 &state->param, state->total_param,
3230 &state->data, state->total_data,
3231 state->max_data_return,
3232 state->max_param_return);
3233 END_PROFILE(NT_transact_notify_change);
3237 case NT_TRANSACT_RENAME:
3239 START_PROFILE(NT_transact_rename);
3240 call_nt_transact_rename(
3242 &state->setup, state->setup_count,
3243 &state->param, state->total_param,
3244 &state->data, state->total_data,
3245 state->max_data_return);
3246 END_PROFILE(NT_transact_rename);
3250 case NT_TRANSACT_QUERY_SECURITY_DESC:
3252 START_PROFILE(NT_transact_query_security_desc);
3253 call_nt_transact_query_security_desc(
3255 &state->setup, state->setup_count,
3256 &state->param, state->total_param,
3257 &state->data, state->total_data,
3258 state->max_data_return);
3259 END_PROFILE(NT_transact_query_security_desc);
3263 #ifdef HAVE_SYS_QUOTAS
3264 case NT_TRANSACT_GET_USER_QUOTA:
3266 START_PROFILE(NT_transact_get_user_quota);
3267 call_nt_transact_get_user_quota(
3269 &state->setup, state->setup_count,
3270 &state->param, state->total_param,
3271 &state->data, state->total_data,
3272 state->max_data_return);
3273 END_PROFILE(NT_transact_get_user_quota);
3277 case NT_TRANSACT_SET_USER_QUOTA:
3279 START_PROFILE(NT_transact_set_user_quota);
3280 call_nt_transact_set_user_quota(
3282 &state->setup, state->setup_count,
3283 &state->param, state->total_param,
3284 &state->data, state->total_data,
3285 state->max_data_return);
3286 END_PROFILE(NT_transact_set_user_quota);
3289 #endif /* HAVE_SYS_QUOTAS */
3292 /* Error in request */
3293 DEBUG(0,("handle_nttrans: Unknown request %d in "
3294 "nttrans call\n", state->call));
3295 reply_doserror(req, ERRSRV, ERRerror);
3301 /****************************************************************************
3302 Reply to a SMBNTtrans.
3303 ****************************************************************************/
3305 void reply_nttrans(connection_struct *conn, struct smb_request *req)
3311 uint16 function_code;
3313 struct trans_state *state;
3316 START_PROFILE(SMBnttrans);
3318 if (req->wct < 19) {
3319 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3320 END_PROFILE(SMBnttrans);
3324 size = smb_len(req->inbuf) + 4;
3325 pscnt = IVAL(req->inbuf,smb_nt_ParameterCount);
3326 psoff = IVAL(req->inbuf,smb_nt_ParameterOffset);
3327 dscnt = IVAL(req->inbuf,smb_nt_DataCount);
3328 dsoff = IVAL(req->inbuf,smb_nt_DataOffset);
3329 function_code = SVAL(req->inbuf, smb_nt_Function);
3331 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
3332 reply_doserror(req, ERRSRV, ERRaccess);
3333 END_PROFILE(SMBnttrans);
3337 result = allow_new_trans(conn->pending_trans, req->mid);
3338 if (!NT_STATUS_IS_OK(result)) {
3339 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
3340 reply_nterror(req, result);
3341 END_PROFILE(SMBnttrans);
3345 if ((state = TALLOC_P(conn->mem_ctx, struct trans_state)) == NULL) {
3346 reply_doserror(req, ERRSRV, ERRaccess);
3347 END_PROFILE(SMBnttrans);
3351 state->cmd = SMBnttrans;
3353 state->mid = req->mid;
3354 state->vuid = req->vuid;
3355 state->total_data = IVAL(req->inbuf, smb_nt_TotalDataCount);
3357 state->total_param = IVAL(req->inbuf, smb_nt_TotalParameterCount);
3358 state->param = NULL;
3359 state->max_data_return = IVAL(req->inbuf,smb_nt_MaxDataCount);
3360 state->max_param_return = IVAL(req->inbuf,smb_nt_MaxParameterCount);
3362 /* setup count is in *words* */
3363 state->setup_count = 2*CVAL(req->inbuf,smb_nt_SetupCount);
3364 state->setup = NULL;
3365 state->call = function_code;
3368 * All nttrans messages we handle have smb_wct == 19 +
3369 * state->setup_count. Ensure this is so as a sanity check.
3372 if(req->wct != 19 + (state->setup_count/2)) {
3373 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
3374 req->wct, 19 + (state->setup_count/2)));
3378 /* Don't allow more than 128mb for each value. */
3379 if ((state->total_data > (1024*1024*128)) ||
3380 (state->total_param > (1024*1024*128))) {
3381 reply_doserror(req, ERRDOS, ERRnomem);
3382 END_PROFILE(SMBnttrans);
3386 if ((dscnt > state->total_data) || (pscnt > state->total_param))
3389 if (state->total_data) {
3390 /* Can't use talloc here, the core routines do realloc on the
3391 * params and data. */
3392 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
3393 DEBUG(0,("reply_nttrans: data malloc fail for %u "
3394 "bytes !\n", (unsigned int)state->total_data));
3396 reply_doserror(req, ERRDOS, ERRnomem);
3397 END_PROFILE(SMBnttrans);
3400 if ((dsoff+dscnt < dsoff) || (dsoff+dscnt < dscnt))
3402 if ((smb_base(req->inbuf)+dsoff+dscnt
3403 > (char *)req->inbuf + size) ||
3404 (smb_base(req->inbuf)+dsoff+dscnt < smb_base(req->inbuf)))
3407 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
3410 if (state->total_param) {
3411 /* Can't use talloc here, the core routines do realloc on the
3412 * params and data. */
3413 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
3414 DEBUG(0,("reply_nttrans: param malloc fail for %u "
3415 "bytes !\n", (unsigned int)state->total_param));
3416 SAFE_FREE(state->data);
3418 reply_doserror(req, ERRDOS, ERRnomem);
3419 END_PROFILE(SMBnttrans);
3422 if ((psoff+pscnt < psoff) || (psoff+pscnt < pscnt))
3424 if ((smb_base(req->inbuf)+psoff+pscnt
3425 > (char *)req->inbuf + size) ||
3426 (smb_base(req->inbuf)+psoff+pscnt < smb_base(req->inbuf)))
3429 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
3432 state->received_data = dscnt;
3433 state->received_param = pscnt;
3435 if(state->setup_count > 0) {
3436 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
3437 state->setup_count));
3438 state->setup = (uint16 *)TALLOC(state, state->setup_count);
3439 if (state->setup == NULL) {
3440 DEBUG(0,("reply_nttrans : Out of memory\n"));
3441 SAFE_FREE(state->data);
3442 SAFE_FREE(state->param);
3444 reply_doserror(req, ERRDOS, ERRnomem);
3445 END_PROFILE(SMBnttrans);
3449 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
3450 (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
3453 if (smb_nt_SetupStart + state->setup_count > size) {
3457 memcpy( state->setup, &req->inbuf[smb_nt_SetupStart],
3458 state->setup_count);
3459 dump_data(10, (uint8 *)state->setup, state->setup_count);
3462 if ((state->received_data == state->total_data) &&
3463 (state->received_param == state->total_param)) {
3464 handle_nttrans(conn, state, req);
3465 SAFE_FREE(state->param);
3466 SAFE_FREE(state->data);
3468 END_PROFILE(SMBnttrans);
3472 DLIST_ADD(conn->pending_trans, state);
3474 /* We need to send an interim response then receive the rest
3475 of the parameter/data bytes */
3476 reply_outbuf(req, 0, 0);
3477 show_msg((char *)req->outbuf);
3478 END_PROFILE(SMBnttrans);
3483 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3484 SAFE_FREE(state->data);
3485 SAFE_FREE(state->param);
3487 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3488 END_PROFILE(SMBnttrans);
3492 /****************************************************************************
3493 Reply to a SMBnttranss
3494 ****************************************************************************/
3496 void reply_nttranss(connection_struct *conn, struct smb_request *req)
3498 unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
3499 struct trans_state *state;
3503 START_PROFILE(SMBnttranss);
3505 show_msg((char *)req->inbuf);
3507 if (req->wct < 18) {
3508 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3509 END_PROFILE(SMBnttranss);
3513 for (state = conn->pending_trans; state != NULL;
3514 state = state->next) {
3515 if (state->mid == req->mid) {
3520 if ((state == NULL) || (state->cmd != SMBnttrans)) {
3521 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3522 END_PROFILE(SMBnttranss);
3526 /* Revise state->total_param and state->total_data in case they have
3527 changed downwards */
3528 if (IVAL(req->inbuf, smb_nts_TotalParameterCount)
3529 < state->total_param) {
3530 state->total_param = IVAL(req->inbuf,
3531 smb_nts_TotalParameterCount);
3533 if (IVAL(req->inbuf, smb_nts_TotalDataCount) < state->total_data) {
3534 state->total_data = IVAL(req->inbuf, smb_nts_TotalDataCount);
3537 size = smb_len(req->inbuf) + 4;
3539 pcnt = IVAL(req->inbuf,smb_nts_ParameterCount);
3540 poff = IVAL(req->inbuf, smb_nts_ParameterOffset);
3541 pdisp = IVAL(req->inbuf, smb_nts_ParameterDisplacement);
3543 dcnt = IVAL(req->inbuf, smb_nts_DataCount);
3544 ddisp = IVAL(req->inbuf, smb_nts_DataDisplacement);
3545 doff = IVAL(req->inbuf, smb_nts_DataOffset);
3547 state->received_param += pcnt;
3548 state->received_data += dcnt;
3550 if ((state->received_data > state->total_data) ||
3551 (state->received_param > state->total_param))
3555 if (pdisp+pcnt > state->total_param)
3557 if ((pdisp+pcnt < pdisp) || (pdisp+pcnt < pcnt))
3559 if (pdisp > state->total_param)
3561 if ((smb_base(req->inbuf) + poff + pcnt
3562 > (char *)req->inbuf + size) ||
3563 (smb_base(req->inbuf) + poff + pcnt
3564 < smb_base(req->inbuf)))
3566 if (state->param + pdisp < state->param)
3569 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,
3574 if (ddisp+dcnt > state->total_data)
3576 if ((ddisp+dcnt < ddisp) || (ddisp+dcnt < dcnt))
3578 if (ddisp > state->total_data)
3580 if ((smb_base(req->inbuf) + doff + dcnt
3581 > (char *)req->inbuf + size) ||
3582 (smb_base(req->inbuf) + doff + dcnt
3583 < smb_base(req->inbuf)))
3585 if (state->data + ddisp < state->data)
3588 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,
3592 if ((state->received_param < state->total_param) ||
3593 (state->received_data < state->total_data)) {
3594 END_PROFILE(SMBnttranss);
3599 * construct_reply_common will copy smb_com from inbuf to
3600 * outbuf. SMBnttranss is wrong here.
3602 SCVAL(req->inbuf,smb_com,SMBnttrans);
3604 handle_nttrans(conn, state, req);
3606 DLIST_REMOVE(conn->pending_trans, state);
3607 SAFE_FREE(state->data);
3608 SAFE_FREE(state->param);
3610 END_PROFILE(SMBnttranss);
3615 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3616 DLIST_REMOVE(conn->pending_trans, state);
3617 SAFE_FREE(state->data);
3618 SAFE_FREE(state->param);
3620 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3621 END_PROFILE(SMBnttranss);