2 Unix SMB/Netbios implementation.
5 Copyright (C) Andrew Tridgell 1992-1998
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
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, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 extern int DEBUGLEVEL;
26 /****************************************************************************
27 run a file if it is a magic script
28 ****************************************************************************/
29 static void check_magic(files_struct *fsp,connection_struct *conn)
31 if (!*lp_magicscript(SNUM(conn)))
34 DEBUG(5,("checking magic for %s\n",fsp->fsp_name));
38 if (!(p = strrchr_m(fsp->fsp_name,'/')))
43 if (!strequal(lp_magicscript(SNUM(conn)),p))
54 pstrcpy(fname,fsp->fsp_name);
55 if (*lp_magicoutput(SNUM(conn)))
56 pstrcpy(magic_output,lp_magicoutput(SNUM(conn)));
58 slprintf(magic_output,sizeof(fname)-1, "%s.out",fname);
61 ret = smbrun(fname,&tmp_fd);
62 DEBUG(3,("Invoking magic command %s gave %d\n",fname,ret));
64 if (ret != 0 || tmp_fd == -1) {
69 outfd = open(magic_output, O_CREAT|O_EXCL|O_RDWR, 0600);
75 if (sys_fstat(tmp_fd,&st) == -1) {
81 transfer_file(tmp_fd,outfd,st.st_size);
87 /****************************************************************************
88 Common code to close a file or a directory.
89 ****************************************************************************/
91 static int close_filestruct(files_struct *fsp)
93 connection_struct *conn = fsp->conn;
96 if(flush_write_cache(fsp, CLOSE_FLUSH) == -1)
99 delete_write_cache(fsp);
101 fsp->is_directory = False;
102 fsp->stat_open = False;
104 conn->num_files_open--;
109 /****************************************************************************
112 If normal_close is 1 then this came from a normal SMBclose (or equivalent)
113 operation otherwise it came as the result of some other operation such as
114 the closing of the connection. In the latter case printing and
115 magic scripts are not run.
116 ****************************************************************************/
118 static int close_normal_file(files_struct *fsp, BOOL normal_close)
120 share_mode_entry *share_entry = NULL;
121 size_t share_entry_count = 0;
122 BOOL delete_on_close = False;
123 connection_struct *conn = fsp->conn;
127 remove_pending_lock_requests_by_fid(fsp);
130 * If we're flushing on a close we can get a write
131 * error here, we must remember this.
134 if (close_filestruct(fsp) == -1)
137 if (fsp->print_file) {
138 print_fsp_end(fsp, normal_close);
144 * Lock the share entries, and determine if we should delete
145 * on close. If so delete whilst the lock is still in effect.
146 * This prevents race conditions with the file being created. JRA.
149 lock_share_entry_fsp(fsp);
150 share_entry_count = del_share_mode(fsp, &share_entry);
152 DEBUG(10,("close_normal_file: share_entry_count = %d for file %s\n",
153 share_entry_count, fsp->fsp_name ));
156 * We delete on close if it's the last open, and the
157 * delete on close flag was set in the entry we just deleted.
160 if ((share_entry_count == 0) && share_entry &&
161 GET_DELETE_ON_CLOSE_FLAG(share_entry->share_mode) )
162 delete_on_close = True;
164 safe_free(share_entry);
167 * NT can set delete_on_close of the last open
168 * reference to a file.
171 if (normal_close && delete_on_close) {
172 DEBUG(5,("close_file: file %s. Delete on close was set - deleting file.\n",
174 if(fsp->conn->vfs_ops.unlink(conn,fsp->fsp_name) != 0) {
176 * This call can potentially fail as another smbd may have
177 * had the file open with delete on close set and deleted
178 * it when its last reference to this file went away. Hence
179 * we log this but not at debug level zero.
182 DEBUG(5,("close_file: file %s. Delete on close was set and unlink failed \
183 with error %s\n", fsp->fsp_name, strerror(errno) ));
187 unlock_share_entry_fsp(fsp);
189 if(EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
190 release_file_oplock(fsp);
192 locking_close_file(fsp);
194 err = fd_close(conn, fsp);
196 /* check for magic scripts */
198 check_magic(fsp,conn);
202 DEBUG(2,("%s closed file %s (numopen=%d) %s\n",
203 conn->user,fsp->fsp_name,
204 conn->num_files_open, err ? strerror(err) : ""));
207 string_free(&fsp->fsp_name);
212 if (err == -1 || err1 == -1)
218 /****************************************************************************
219 Close a directory opened by an NT SMB call.
220 ****************************************************************************/
222 static int close_directory(files_struct *fsp, BOOL normal_close)
224 remove_pending_change_notify_requests_by_fid(fsp);
227 * NT can set delete_on_close of the last open
228 * reference to a directory also.
231 if (normal_close && fsp->directory_delete_on_close) {
232 BOOL ok = rmdir_internals(fsp->conn, fsp->fsp_name);
233 DEBUG(5,("close_directory: %s. Delete on close was set - deleting directory %s.\n",
234 fsp->fsp_name, ok ? "succeeded" : "failed" ));
237 * Ensure we remove any change notify requests that would
238 * now fail as the directory has been deleted.
242 remove_pending_change_notify_requests_by_filename(fsp);
246 * Do the code common to files and directories.
248 close_filestruct(fsp);
251 string_free(&fsp->fsp_name);
258 /****************************************************************************
259 Close a file opened with null permissions in order to read permissions.
260 ****************************************************************************/
262 static int close_statfile(files_struct *fsp, BOOL normal_close)
264 close_filestruct(fsp);
267 string_free(&fsp->fsp_name);
274 /****************************************************************************
275 Close a directory opened by an NT SMB call.
276 ****************************************************************************/
278 int close_file(files_struct *fsp, BOOL normal_close)
280 if(fsp->is_directory)
281 return close_directory(fsp, normal_close);
282 else if(fsp->stat_open)
283 return close_statfile(fsp, normal_close);
284 return close_normal_file(fsp, normal_close);