2 Unix SMB/CIFS implementation.
4 Copyright (C) Andrew Tridgell 1992-1998
5 Copyright (C) Jeremy Allison 1992-2007.
6 Copyright (C) Volker Lendecke 2005
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
24 #include "librpc/gen_ndr/messaging.h"
25 #include "smbd/globals.h"
26 #include "fake_file.h"
28 /****************************************************************************
29 Run a file if it is a magic script.
30 ****************************************************************************/
32 static NTSTATUS check_magic(struct files_struct *fsp)
35 const char *magic_output = NULL;
38 TALLOC_CTX *ctx = NULL;
40 struct connection_struct *conn = fsp->conn;
44 if (!*lp_magicscript(SNUM(conn))) {
48 DEBUG(5,("checking magic for %s\n", fsp_str_dbg(fsp)));
50 ctx = talloc_stackframe();
52 fname = fsp->fsp_name->base_name;
54 if (!(p = strrchr_m(fname,'/'))) {
60 if (!strequal(lp_magicscript(SNUM(conn)),p)) {
61 status = NT_STATUS_OK;
65 if (*lp_magicoutput(SNUM(conn))) {
66 magic_output = lp_magicoutput(SNUM(conn));
68 magic_output = talloc_asprintf(ctx,
73 status = NT_STATUS_NO_MEMORY;
77 /* Ensure we don't depend on user's PATH. */
78 p = talloc_asprintf(ctx, "./%s", fname);
80 status = NT_STATUS_NO_MEMORY;
84 if (chmod(fname, 0755) == -1) {
85 status = map_nt_error_from_unix(errno);
88 ret = smbrun(p,&tmp_fd);
89 DEBUG(3,("Invoking magic command %s gave %d\n",
93 if (ret != 0 || tmp_fd == -1) {
97 status = NT_STATUS_UNSUCCESSFUL;
100 outfd = open(magic_output, O_CREAT|O_EXCL|O_RDWR, 0600);
104 status = map_nt_error_from_unix(err);
108 if (sys_fstat(tmp_fd, &st, false) == -1) {
112 status = map_nt_error_from_unix(err);
116 if (transfer_file(tmp_fd,outfd,(SMB_OFF_T)st.st_ex_size) == (SMB_OFF_T)-1) {
120 status = map_nt_error_from_unix(err);
124 if (close(outfd) == -1) {
125 status = map_nt_error_from_unix(errno);
129 status = NT_STATUS_OK;
136 /****************************************************************************
137 Common code to close a file or a directory.
138 ****************************************************************************/
140 static NTSTATUS close_filestruct(files_struct *fsp)
142 NTSTATUS status = NT_STATUS_OK;
144 if (fsp->fh->fd != -1) {
145 if(flush_write_cache(fsp, CLOSE_FLUSH) == -1) {
146 status = map_nt_error_from_unix(errno);
148 delete_write_cache(fsp);
154 /****************************************************************************
155 If any deferred opens are waiting on this close, notify them.
156 ****************************************************************************/
158 static void notify_deferred_opens(struct messaging_context *msg_ctx,
159 struct share_mode_lock *lck)
163 if (!should_notify_deferred_opens()) {
167 for (i=0; i<lck->num_share_modes; i++) {
168 struct share_mode_entry *e = &lck->share_modes[i];
170 if (!is_deferred_open_entry(e)) {
174 if (procid_is_me(&e->pid)) {
176 * We need to notify ourself to retry the open. Do
177 * this by finding the queued SMB record, moving it to
178 * the head of the queue and changing the wait time to
181 schedule_deferred_open_message_smb(e->op_mid);
183 char msg[MSG_SMB_SHARE_MODE_ENTRY_SIZE];
185 share_mode_entry_to_message(msg, e);
187 messaging_send_buf(msg_ctx, e->pid, MSG_SMB_OPEN_RETRY,
189 MSG_SMB_SHARE_MODE_ENTRY_SIZE);
194 /****************************************************************************
196 ****************************************************************************/
198 NTSTATUS delete_all_streams(connection_struct *conn, const char *fname)
200 struct stream_struct *stream_info;
202 unsigned int num_streams;
203 TALLOC_CTX *frame = talloc_stackframe();
206 status = SMB_VFS_STREAMINFO(conn, NULL, fname, talloc_tos(),
207 &num_streams, &stream_info);
209 if (NT_STATUS_EQUAL(status, NT_STATUS_NOT_IMPLEMENTED)) {
210 DEBUG(10, ("no streams around\n"));
215 if (!NT_STATUS_IS_OK(status)) {
216 DEBUG(10, ("SMB_VFS_STREAMINFO failed: %s\n",
221 DEBUG(10, ("delete_all_streams found %d streams\n",
224 if (num_streams == 0) {
229 for (i=0; i<num_streams; i++) {
231 struct smb_filename *smb_fname_stream = NULL;
233 if (strequal(stream_info[i].name, "::$DATA")) {
237 status = create_synthetic_smb_fname(talloc_tos(), fname,
238 stream_info[i].name, NULL,
241 if (!NT_STATUS_IS_OK(status)) {
242 DEBUG(0, ("talloc_aprintf failed\n"));
246 res = SMB_VFS_UNLINK(conn, smb_fname_stream);
249 status = map_nt_error_from_unix(errno);
250 DEBUG(10, ("Could not delete stream %s: %s\n",
251 smb_fname_str_dbg(smb_fname_stream),
253 TALLOC_FREE(smb_fname_stream);
256 TALLOC_FREE(smb_fname_stream);
264 /****************************************************************************
265 Deal with removing a share mode on last close.
266 ****************************************************************************/
268 static NTSTATUS close_remove_share_mode(files_struct *fsp,
269 enum file_close_type close_type)
271 connection_struct *conn = fsp->conn;
272 bool delete_file = false;
273 bool changed_user = false;
274 struct share_mode_lock *lck = NULL;
275 NTSTATUS status = NT_STATUS_OK;
278 const UNIX_USER_TOKEN *del_token = NULL;
280 /* Ensure any pending write time updates are done. */
281 if (fsp->update_write_time_event) {
282 update_write_time_handler(smbd_event_context(),
283 fsp->update_write_time_event,
289 * Lock the share entries, and determine if we should delete
290 * on close. If so delete whilst the lock is still in effect.
291 * This prevents race conditions with the file being created. JRA.
294 lck = get_share_mode_lock(talloc_tos(), fsp->file_id, NULL, NULL,
298 DEBUG(0, ("close_remove_share_mode: Could not get share mode "
299 "lock for file %s\n", fsp_str_dbg(fsp)));
300 status = NT_STATUS_INVALID_PARAMETER;
304 if (fsp->write_time_forced) {
305 DEBUG(10,("close_remove_share_mode: write time forced "
308 set_close_write_time(fsp, lck->changed_write_time);
309 } else if (fsp->update_write_time_on_close) {
310 /* Someone had a pending write. */
311 if (null_timespec(fsp->close_write_time)) {
312 DEBUG(10,("close_remove_share_mode: update to current time "
315 /* Update to current time due to "normal" write. */
316 set_close_write_time(fsp, timespec_current());
318 DEBUG(10,("close_remove_share_mode: write time pending "
321 /* Update to time set on close call. */
322 set_close_write_time(fsp, fsp->close_write_time);
326 if (!del_share_mode(lck, fsp)) {
327 DEBUG(0, ("close_remove_share_mode: Could not delete share "
328 "entry for file %s\n",
332 if (fsp->initial_delete_on_close &&
333 !is_delete_on_close_set(lck, fsp->name_hash)) {
334 bool became_user = False;
336 /* Initial delete on close was set and no one else
337 * wrote a real delete on close. */
339 if (get_current_vuid(conn) != fsp->vuid) {
340 become_user(conn, fsp->vuid);
343 fsp->delete_on_close = true;
344 set_delete_on_close_lck(fsp, lck, True, get_current_utok(conn));
350 delete_file = is_delete_on_close_set(lck, fsp->name_hash);
354 /* See if others still have the file open via this pathname.
355 If this is the case, then don't delete. If all opens are
357 for (i=0; i<lck->num_share_modes; i++) {
358 struct share_mode_entry *e = &lck->share_modes[i];
359 if (is_valid_share_mode_entry(e) &&
360 e->name_hash == fsp->name_hash) {
361 if (fsp->posix_open && (e->flags & SHARE_MODE_FLAG_POSIX_OPEN)) {
370 /* Notify any deferred opens waiting on this close. */
371 notify_deferred_opens(conn->sconn->msg_ctx, lck);
372 reply_to_oplock_break_requests(fsp);
375 * NT can set delete_on_close of the last open
376 * reference to a file.
379 if (!(close_type == NORMAL_CLOSE || close_type == SHUTDOWN_CLOSE) ||
386 * Ok, we have to delete the file
389 DEBUG(5,("close_remove_share_mode: file %s. Delete on close was set "
390 "- deleting file.\n", fsp_str_dbg(fsp)));
393 * Don't try to update the write time when we delete the file
395 fsp->update_write_time_on_close = false;
397 del_token = get_delete_on_close_token(lck, fsp->name_hash);
398 SMB_ASSERT(del_token != NULL);
400 if (!unix_token_equal(del_token, get_current_utok(conn))) {
401 /* Become the user who requested the delete. */
403 DEBUG(5,("close_remove_share_mode: file %s. "
404 "Change user to uid %u\n",
406 (unsigned int)del_token->uid));
408 if (!push_sec_ctx()) {
409 smb_panic("close_remove_share_mode: file %s. failed to push "
413 set_sec_ctx(del_token->uid,
422 /* We can only delete the file if the name we have is still valid and
423 hasn't been renamed. */
425 tmp_status = vfs_stat_fsp(fsp);
426 if (!NT_STATUS_IS_OK(tmp_status)) {
427 DEBUG(5,("close_remove_share_mode: file %s. Delete on close "
428 "was set and stat failed with error %s\n",
429 fsp_str_dbg(fsp), nt_errstr(tmp_status)));
431 * Don't save the errno here, we ignore this error
436 id = vfs_file_id_from_sbuf(conn, &fsp->fsp_name->st);
438 if (!file_id_equal(&fsp->file_id, &id)) {
439 DEBUG(5,("close_remove_share_mode: file %s. Delete on close "
440 "was set and dev and/or inode does not match\n",
442 DEBUG(5,("close_remove_share_mode: file %s. stored file_id %s, "
445 file_id_string_tos(&fsp->file_id),
446 file_id_string_tos(&id)));
448 * Don't save the errno here, we ignore this error
453 if ((conn->fs_capabilities & FILE_NAMED_STREAMS)
454 && !is_ntfs_stream_smb_fname(fsp->fsp_name)) {
456 status = delete_all_streams(conn, fsp->fsp_name->base_name);
458 if (!NT_STATUS_IS_OK(status)) {
459 DEBUG(5, ("delete_all_streams failed: %s\n",
466 if (SMB_VFS_UNLINK(conn, fsp->fsp_name) != 0) {
468 * This call can potentially fail as another smbd may
469 * have had the file open with delete on close set and
470 * deleted it when its last reference to this file
471 * went away. Hence we log this but not at debug level
475 DEBUG(5,("close_remove_share_mode: file %s. Delete on close "
476 "was set and unlink failed with error %s\n",
477 fsp_str_dbg(fsp), strerror(errno)));
479 status = map_nt_error_from_unix(errno);
482 /* As we now have POSIX opens which can unlink
483 * with other open files we may have taken
484 * this code path with more than one share mode
485 * entry - ensure we only delete once by resetting
486 * the delete on close flag. JRA.
489 fsp->delete_on_close = false;
490 set_delete_on_close_lck(fsp, lck, false, NULL);
503 * Do the notification after we released the share
504 * mode lock. Inside notify_fname we take out another
505 * tdb lock. With ctdb also accessing our databases,
506 * this can lead to deadlocks. Putting this notify
507 * after the TALLOC_FREE(lck) above we avoid locking
508 * two records simultaneously. Notifies are async and
509 * informational only, so calling the notify_fname
510 * without holding the share mode lock should not do
513 notify_fname(conn, NOTIFY_ACTION_REMOVED,
514 FILE_NOTIFY_CHANGE_FILE_NAME,
515 fsp->fsp_name->base_name);
521 void set_close_write_time(struct files_struct *fsp, struct timespec ts)
523 DEBUG(6,("close_write_time: %s" , time_to_asc(convert_timespec_to_time_t(ts))));
525 if (null_timespec(ts)) {
528 fsp->write_time_forced = false;
529 fsp->update_write_time_on_close = true;
530 fsp->close_write_time = ts;
533 static NTSTATUS update_write_time_on_close(struct files_struct *fsp)
535 struct smb_file_time ft;
537 struct share_mode_lock *lck = NULL;
541 if (!fsp->update_write_time_on_close) {
545 if (null_timespec(fsp->close_write_time)) {
546 fsp->close_write_time = timespec_current();
549 /* Ensure we have a valid stat struct for the source. */
550 status = vfs_stat_fsp(fsp);
551 if (!NT_STATUS_IS_OK(status)) {
555 if (!VALID_STAT(fsp->fsp_name->st)) {
556 /* if it doesn't seem to be a real file */
560 /* On close if we're changing the real file time we
561 * must update it in the open file db too. */
562 (void)set_write_time(fsp->file_id, fsp->close_write_time);
564 lck = get_share_mode_lock(talloc_tos(), fsp->file_id, NULL, NULL, NULL);
566 /* Close write times overwrite sticky write times
567 so we must replace any sticky write time here. */
568 if (!null_timespec(lck->changed_write_time)) {
569 (void)set_sticky_write_time(fsp->file_id, fsp->close_write_time);
574 ft.mtime = fsp->close_write_time;
575 status = smb_set_file_time(fsp->conn, fsp, fsp->fsp_name, &ft, false);
576 if (!NT_STATUS_IS_OK(status)) {
583 static NTSTATUS ntstatus_keeperror(NTSTATUS s1, NTSTATUS s2)
585 if (!NT_STATUS_IS_OK(s1)) {
591 /****************************************************************************
594 close_type can be NORMAL_CLOSE=0,SHUTDOWN_CLOSE,ERROR_CLOSE.
595 printing and magic scripts are only run on normal close.
596 delete on close is done on normal and shutdown close.
597 ****************************************************************************/
599 static NTSTATUS close_normal_file(struct smb_request *req, files_struct *fsp,
600 enum file_close_type close_type)
602 NTSTATUS status = NT_STATUS_OK;
604 connection_struct *conn = fsp->conn;
606 if (close_type == ERROR_CLOSE) {
607 cancel_aio_by_fsp(fsp);
610 * If we're finishing async io on a close we can get a write
611 * error here, we must remember this.
613 int ret = wait_for_aio_completion(fsp);
615 status = ntstatus_keeperror(
616 status, map_nt_error_from_unix(ret));
621 * If we're flushing on a close we can get a write
622 * error here, we must remember this.
625 tmp = close_filestruct(fsp);
626 status = ntstatus_keeperror(status, tmp);
628 if (fsp->print_file) {
629 /* FIXME: return spool errors */
630 print_spool_end(fsp, close_type);
635 /* Remove the oplock before potentially deleting the file. */
636 if(fsp->oplock_type) {
637 release_file_oplock(fsp);
640 /* If this is an old DOS or FCB open and we have multiple opens on
641 the same handle we only have one share mode. Ensure we only remove
642 the share mode on the last close. */
644 if (fsp->fh->ref_count == 1) {
645 /* Should we return on error here... ? */
646 tmp = close_remove_share_mode(fsp, close_type);
647 status = ntstatus_keeperror(status, tmp);
650 locking_close_file(conn->sconn->msg_ctx, fsp, close_type);
653 status = ntstatus_keeperror(status, tmp);
655 /* check for magic scripts */
656 if (close_type == NORMAL_CLOSE) {
657 tmp = check_magic(fsp);
658 status = ntstatus_keeperror(status, tmp);
662 * Ensure pending modtime is set after close.
665 tmp = update_write_time_on_close(fsp);
666 if (NT_STATUS_EQUAL(tmp, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
667 /* Someone renamed the file or a parent directory containing
668 * this file. We can't do anything about this, we don't have
669 * an "update timestamp by fd" call in POSIX. Eat the error. */
674 status = ntstatus_keeperror(status, tmp);
676 DEBUG(2,("%s closed file %s (numopen=%d) %s\n",
677 conn->server_info->unix_name, fsp_str_dbg(fsp),
678 conn->num_files_open - 1,
679 nt_errstr(status) ));
684 /****************************************************************************
685 Static function used by reply_rmdir to delete an entire directory
686 tree recursively. Return True on ok, False on fail.
687 ****************************************************************************/
689 static bool recursive_rmdir(TALLOC_CTX *ctx,
690 connection_struct *conn,
691 struct smb_filename *smb_dname)
693 const char *dname = NULL;
694 char *talloced = NULL;
698 struct smb_Dir *dir_hnd;
700 SMB_ASSERT(!is_ntfs_stream_smb_fname(smb_dname));
702 dir_hnd = OpenDir(talloc_tos(), conn, smb_dname->base_name, NULL, 0);
706 while((dname = ReadDirName(dir_hnd, &offset, &st, &talloced))) {
707 struct smb_filename *smb_dname_full = NULL;
708 char *fullname = NULL;
709 bool do_break = true;
712 if (ISDOT(dname) || ISDOTDOT(dname)) {
713 TALLOC_FREE(talloced);
717 if (!is_visible_file(conn, smb_dname->base_name, dname, &st,
719 TALLOC_FREE(talloced);
723 /* Construct the full name. */
724 fullname = talloc_asprintf(ctx,
726 smb_dname->base_name,
733 status = create_synthetic_smb_fname(talloc_tos(), fullname,
736 if (!NT_STATUS_IS_OK(status)) {
740 if(SMB_VFS_LSTAT(conn, smb_dname_full) != 0) {
744 if(smb_dname_full->st.st_ex_mode & S_IFDIR) {
745 if(!recursive_rmdir(ctx, conn, smb_dname_full)) {
748 if(SMB_VFS_RMDIR(conn,
749 smb_dname_full->base_name) != 0) {
752 } else if(SMB_VFS_UNLINK(conn, smb_dname_full) != 0) {
756 /* Successful iteration. */
760 TALLOC_FREE(smb_dname_full);
761 TALLOC_FREE(fullname);
762 TALLOC_FREE(talloced);
768 TALLOC_FREE(dir_hnd);
772 /****************************************************************************
773 The internals of the rmdir code - called elsewhere.
774 ****************************************************************************/
776 static NTSTATUS rmdir_internals(TALLOC_CTX *ctx, files_struct *fsp)
778 connection_struct *conn = fsp->conn;
779 struct smb_filename *smb_dname = fsp->fsp_name;
782 SMB_ASSERT(!is_ntfs_stream_smb_fname(smb_dname));
784 /* Might be a symlink. */
785 if(SMB_VFS_LSTAT(conn, smb_dname) != 0) {
786 return map_nt_error_from_unix(errno);
789 if (S_ISLNK(smb_dname->st.st_ex_mode)) {
790 /* Is what it points to a directory ? */
791 if(SMB_VFS_STAT(conn, smb_dname) != 0) {
792 return map_nt_error_from_unix(errno);
794 if (!(S_ISDIR(smb_dname->st.st_ex_mode))) {
795 return NT_STATUS_NOT_A_DIRECTORY;
797 ret = SMB_VFS_UNLINK(conn, smb_dname);
799 ret = SMB_VFS_RMDIR(conn, smb_dname->base_name);
802 notify_fname(conn, NOTIFY_ACTION_REMOVED,
803 FILE_NOTIFY_CHANGE_DIR_NAME,
804 smb_dname->base_name);
808 if(((errno == ENOTEMPTY)||(errno == EEXIST)) && lp_veto_files(SNUM(conn))) {
810 * Check to see if the only thing in this directory are
811 * vetoed files/directories. If so then delete them and
812 * retry. If we fail to delete any of them (and we *don't*
813 * do a recursive delete) then fail the rmdir.
816 const char *dname = NULL;
817 char *talloced = NULL;
819 struct smb_Dir *dir_hnd = OpenDir(talloc_tos(), conn,
820 smb_dname->base_name, NULL,
823 if(dir_hnd == NULL) {
828 while ((dname = ReadDirName(dir_hnd, &dirpos, &st,
829 &talloced)) != NULL) {
830 if((strcmp(dname, ".") == 0) || (strcmp(dname, "..")==0)) {
831 TALLOC_FREE(talloced);
834 if (!is_visible_file(conn, smb_dname->base_name, dname,
836 TALLOC_FREE(talloced);
839 if(!IS_VETO_PATH(conn, dname)) {
840 TALLOC_FREE(dir_hnd);
841 TALLOC_FREE(talloced);
845 TALLOC_FREE(talloced);
848 /* We only have veto files/directories.
849 * Are we allowed to delete them ? */
851 if(!lp_recursive_veto_delete(SNUM(conn))) {
852 TALLOC_FREE(dir_hnd);
857 /* Do a recursive delete. */
858 RewindDir(dir_hnd,&dirpos);
859 while ((dname = ReadDirName(dir_hnd, &dirpos, &st,
860 &talloced)) != NULL) {
861 struct smb_filename *smb_dname_full = NULL;
862 char *fullname = NULL;
863 bool do_break = true;
866 if (ISDOT(dname) || ISDOTDOT(dname)) {
867 TALLOC_FREE(talloced);
870 if (!is_visible_file(conn, smb_dname->base_name, dname,
872 TALLOC_FREE(talloced);
876 fullname = talloc_asprintf(ctx,
878 smb_dname->base_name,
886 status = create_synthetic_smb_fname(talloc_tos(),
890 if (!NT_STATUS_IS_OK(status)) {
891 errno = map_errno_from_nt_status(status);
895 if(SMB_VFS_LSTAT(conn, smb_dname_full) != 0) {
898 if(smb_dname_full->st.st_ex_mode & S_IFDIR) {
899 if(!recursive_rmdir(ctx, conn,
903 if(SMB_VFS_RMDIR(conn,
904 smb_dname_full->base_name) != 0) {
907 } else if(SMB_VFS_UNLINK(conn, smb_dname_full) != 0) {
911 /* Successful iteration. */
915 TALLOC_FREE(fullname);
916 TALLOC_FREE(smb_dname_full);
917 TALLOC_FREE(talloced);
921 TALLOC_FREE(dir_hnd);
922 /* Retry the rmdir */
923 ret = SMB_VFS_RMDIR(conn, smb_dname->base_name);
929 DEBUG(3,("rmdir_internals: couldn't remove directory %s : "
930 "%s\n", smb_fname_str_dbg(smb_dname),
932 return map_nt_error_from_unix(errno);
935 notify_fname(conn, NOTIFY_ACTION_REMOVED,
936 FILE_NOTIFY_CHANGE_DIR_NAME,
937 smb_dname->base_name);
942 /****************************************************************************
943 Close a directory opened by an NT SMB call.
944 ****************************************************************************/
946 static NTSTATUS close_directory(struct smb_request *req, files_struct *fsp,
947 enum file_close_type close_type)
949 struct share_mode_lock *lck = NULL;
950 bool delete_dir = False;
951 NTSTATUS status = NT_STATUS_OK;
952 NTSTATUS status1 = NT_STATUS_OK;
953 const UNIX_USER_TOKEN *del_token = NULL;
956 * NT can set delete_on_close of the last open
957 * reference to a directory also.
960 lck = get_share_mode_lock(talloc_tos(), fsp->file_id, NULL, NULL,
964 DEBUG(0, ("close_directory: Could not get share mode lock for "
965 "%s\n", fsp_str_dbg(fsp)));
966 status = NT_STATUS_INVALID_PARAMETER;
970 if (!del_share_mode(lck, fsp)) {
971 DEBUG(0, ("close_directory: Could not delete share entry for "
972 "%s\n", fsp_str_dbg(fsp)));
975 if (fsp->initial_delete_on_close) {
976 bool became_user = False;
978 /* Initial delete on close was set - for
979 * directories we don't care if anyone else
980 * wrote a real delete on close. */
982 if (get_current_vuid(fsp->conn) != fsp->vuid) {
983 become_user(fsp->conn, fsp->vuid);
986 send_stat_cache_delete_message(fsp->conn->sconn->msg_ctx,
987 fsp->fsp_name->base_name);
988 set_delete_on_close_lck(fsp, lck, true,
989 get_current_utok(fsp->conn));
990 fsp->delete_on_close = true;
996 del_token = get_delete_on_close_token(lck, fsp->name_hash);
997 delete_dir = (del_token != NULL);
1001 /* See if others still have the dir open. If this is the
1002 * case, then don't delete. If all opens are POSIX delete now. */
1003 for (i=0; i<lck->num_share_modes; i++) {
1004 struct share_mode_entry *e = &lck->share_modes[i];
1005 if (is_valid_share_mode_entry(e) &&
1006 e->name_hash == fsp->name_hash) {
1007 if (fsp->posix_open && (e->flags & SHARE_MODE_FLAG_POSIX_OPEN)) {
1016 if ((close_type == NORMAL_CLOSE || close_type == SHUTDOWN_CLOSE) &&
1019 /* Become the user who requested the delete. */
1021 if (!push_sec_ctx()) {
1022 smb_panic("close_directory: failed to push sec_ctx.\n");
1025 set_sec_ctx(del_token->uid,
1033 status = rmdir_internals(talloc_tos(), fsp);
1035 DEBUG(5,("close_directory: %s. Delete on close was set - "
1036 "deleting directory returned %s.\n",
1037 fsp_str_dbg(fsp), nt_errstr(status)));
1039 /* unbecome user. */
1043 * Ensure we remove any change notify requests that would
1044 * now fail as the directory has been deleted.
1047 if(NT_STATUS_IS_OK(status)) {
1048 remove_pending_change_notify_requests_by_fid(fsp, NT_STATUS_DELETE_PENDING);
1052 remove_pending_change_notify_requests_by_fid(
1056 status1 = fd_close(fsp);
1058 if (!NT_STATUS_IS_OK(status1)) {
1059 DEBUG(0, ("Could not close dir! fname=%s, fd=%d, err=%d=%s\n",
1060 fsp_str_dbg(fsp), fsp->fh->fd, errno,
1065 dptr_CloseDir(fsp->dptr);
1069 * Do the code common to files and directories.
1071 close_filestruct(fsp);
1072 file_free(req, fsp);
1076 if (NT_STATUS_IS_OK(status) && !NT_STATUS_IS_OK(status1)) {
1082 /****************************************************************************
1083 Close a files_struct.
1084 ****************************************************************************/
1086 NTSTATUS close_file(struct smb_request *req, files_struct *fsp,
1087 enum file_close_type close_type)
1090 struct files_struct *base_fsp = fsp->base_fsp;
1092 if(fsp->is_directory) {
1093 status = close_directory(req, fsp, close_type);
1094 } else if (fsp->fake_file_handle != NULL) {
1095 status = close_fake_file(req, fsp);
1097 status = close_normal_file(req, fsp, close_type);
1100 if ((base_fsp != NULL) && (close_type != SHUTDOWN_CLOSE)) {
1103 * fsp was a stream, the base fsp can't be a stream as well
1105 * For SHUTDOWN_CLOSE this is not possible here, because
1106 * SHUTDOWN_CLOSE only happens from files.c which walks the
1107 * complete list of files. If we mess with more than one fsp
1108 * those loops will become confused.
1111 SMB_ASSERT(base_fsp->base_fsp == NULL);
1112 close_file(req, base_fsp, close_type);
1118 /****************************************************************************
1119 Deal with an (authorized) message to close a file given the share mode
1121 ****************************************************************************/
1123 void msg_close_file(struct messaging_context *msg_ctx,
1126 struct server_id server_id,
1129 struct smbd_server_connection *sconn;
1130 files_struct *fsp = NULL;
1131 struct share_mode_entry e;
1133 sconn = msg_ctx_to_sconn(msg_ctx);
1134 if (sconn == NULL) {
1135 DEBUG(1, ("could not find sconn\n"));
1139 message_to_share_mode_entry(&e, (char *)data->data);
1142 char *sm_str = share_mode_str(NULL, 0, &e);
1144 smb_panic("talloc failed");
1146 DEBUG(10,("msg_close_file: got request to close share mode "
1147 "entry %s\n", sm_str));
1148 TALLOC_FREE(sm_str);
1151 fsp = file_find_dif(sconn, e.id, e.share_file_id);
1153 DEBUG(10,("msg_close_file: failed to find file.\n"));
1156 close_file(NULL, fsp, NORMAL_CLOSE);