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, NULL,0,0);
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--;
106 free((char *)fsp->wbmpx_ptr);
107 fsp->wbmpx_ptr = NULL;
113 /****************************************************************************
116 If normal_close is 1 then this came from a normal SMBclose (or equivalent)
117 operation otherwise it came as the result of some other operation such as
118 the closing of the connection. In the latter case printing and
119 magic scripts are not run.
120 ****************************************************************************/
122 static int close_normal_file(files_struct *fsp, BOOL normal_close)
124 share_mode_entry *share_entry = NULL;
125 size_t share_entry_count = 0;
126 BOOL delete_on_close = False;
127 connection_struct *conn = fsp->conn;
131 remove_pending_lock_requests_by_fid(fsp);
134 * If we're flushing on a close we can get a write
135 * error here, we must remember this.
138 if (close_filestruct(fsp) == -1)
141 if (fsp->print_file) {
142 print_fsp_end(fsp, normal_close);
148 * Lock the share entries, and determine if we should delete
149 * on close. If so delete whilst the lock is still in effect.
150 * This prevents race conditions with the file being created. JRA.
153 lock_share_entry_fsp(fsp);
154 share_entry_count = del_share_mode(fsp, &share_entry);
156 DEBUG(10,("close_normal_file: share_entry_count = %d for file %s\n",
157 share_entry_count, fsp->fsp_name ));
160 * We delete on close if it's the last open, and the
161 * delete on close flag was set in the entry we just deleted.
164 if ((share_entry_count == 0) && share_entry &&
165 GET_DELETE_ON_CLOSE_FLAG(share_entry->share_mode) )
166 delete_on_close = True;
168 safe_free(share_entry);
171 * NT can set delete_on_close of the last open
172 * reference to a file.
175 if (normal_close && delete_on_close) {
176 DEBUG(5,("close_file: file %s. Delete on close was set - deleting file.\n",
178 if(fsp->conn->vfs_ops.unlink(conn,fsp->fsp_name) != 0) {
180 * This call can potentially fail as another smbd may have
181 * had the file open with delete on close set and deleted
182 * it when its last reference to this file went away. Hence
183 * we log this but not at debug level zero.
186 DEBUG(5,("close_file: file %s. Delete on close was set and unlink failed \
187 with error %s\n", fsp->fsp_name, strerror(errno) ));
191 unlock_share_entry_fsp(fsp);
193 if(EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
194 release_file_oplock(fsp);
196 locking_close_file(fsp);
198 err = fd_close(conn, fsp);
200 /* check for magic scripts */
202 check_magic(fsp,conn);
206 DEBUG(2,("%s closed file %s (numopen=%d) %s\n",
207 conn->user,fsp->fsp_name,
208 conn->num_files_open, err ? strerror(err) : ""));
211 string_free(&fsp->fsp_name);
216 if (err == -1 || err1 == -1)
222 /****************************************************************************
223 Close a directory opened by an NT SMB call.
224 ****************************************************************************/
226 static int close_directory(files_struct *fsp, BOOL normal_close)
228 remove_pending_change_notify_requests_by_fid(fsp);
231 * NT can set delete_on_close of the last open
232 * reference to a directory also.
235 if (normal_close && fsp->directory_delete_on_close) {
236 BOOL ok = rmdir_internals(fsp->conn, fsp->fsp_name);
237 DEBUG(5,("close_directory: %s. Delete on close was set - deleting directory %s.\n",
238 fsp->fsp_name, ok ? "succeeded" : "failed" ));
241 * Ensure we remove any change notify requests that would
242 * now fail as the directory has been deleted.
246 remove_pending_change_notify_requests_by_filename(fsp);
250 * Do the code common to files and directories.
252 close_filestruct(fsp);
255 string_free(&fsp->fsp_name);
262 /****************************************************************************
263 Close a file opened with null permissions in order to read permissions.
264 ****************************************************************************/
266 static int close_statfile(files_struct *fsp, BOOL normal_close)
268 close_filestruct(fsp);
271 string_free(&fsp->fsp_name);
278 /****************************************************************************
279 Close a directory opened by an NT SMB call.
280 ****************************************************************************/
282 int close_file(files_struct *fsp, BOOL normal_close)
284 if(fsp->is_directory)
285 return close_directory(fsp, normal_close);
286 else if(fsp->stat_open)
287 return close_statfile(fsp, normal_close);
288 return close_normal_file(fsp, normal_close);