2 Unix SMB/CIFS implementation.
3 Main SMB server routines
4 Copyright (C) Andrew Tridgell 1992-1998
5 Copyright (C) Martin Pool 2002
6 Copyright (C) Jelmer Vernooij 2002-2003
7 Copyright (C) Volker Lendecke 1993-2007
8 Copyright (C) Jeremy Allison 1993-2007
9 Copyright (C) Andrew Bartlett 2010
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
26 #include "smbd/globals.h"
27 #include "librpc/gen_ndr/messaging.h"
29 static struct files_struct *log_writeable_file_fn(
30 struct files_struct *fsp, void *private_data)
32 bool *found = (bool *)private_data;
35 if (!fsp->can_write) {
39 DEBUG(0, ("Writable files open at exit:\n"));
43 path = talloc_asprintf(talloc_tos(), "%s/%s", fsp->conn->connectpath,
44 smb_fname_str_dbg(fsp->fsp_name));
46 DEBUGADD(0, ("<NOMEM>\n"));
49 DEBUGADD(0, ("%s\n", path));
55 /****************************************************************************
57 ****************************************************************************/
59 /* Reasons for shutting down a server process. */
60 enum server_exit_reason { SERVER_EXIT_NORMAL, SERVER_EXIT_ABNORMAL };
62 static void exit_server_common(enum server_exit_reason how,
63 const char *const reason) _NORETURN_;
65 static void exit_server_common(enum server_exit_reason how,
66 const char *const reason)
68 bool had_open_conn = false;
69 struct smbd_server_connection *sconn = smbd_server_conn;
73 exit_firsttime = false;
75 change_to_root_user();
77 if (sconn && sconn->smb1.negprot.auth_context) {
78 struct auth_context *a = sconn->smb1.negprot.auth_context;
79 a->free(&sconn->smb1.negprot.auth_context);
82 if (lp_log_writeable_files_on_exit()) {
84 files_forall(log_writeable_file_fn, &found);
88 had_open_conn = conn_close_all(sconn);
89 invalidate_all_vuids(sconn);
92 /* 3 second timeout. */
93 print_notify_send_messages(smbd_messaging_context(), 3);
95 /* delete our entry in the serverid database. */
98 * For children the parent takes care of cleaning up
100 serverid_deregister(procid_self());
104 if (dcelogin_atmost_once) {
110 /* Destroy Samba DMAPI session only if we are master smbd process */
112 if (!dmapi_destroy_session()) {
113 DEBUG(0,("Unable to close Samba DMAPI session\n"));
122 * we need to force the order of freeing the following,
123 * because smbd_msg_ctx is not a talloc child of smbd_server_conn.
126 TALLOC_FREE(smbd_server_conn);
127 server_messaging_context_free();
128 server_event_context_free();
129 TALLOC_FREE(smbd_memcache_ctx);
131 if (how != SERVER_EXIT_NORMAL) {
132 int oldlevel = DEBUGLEVEL;
137 DEBUG(0,("Abnormal server exit: %s\n",
138 reason ? reason : "no explanation provided"));
143 DEBUGLEVEL = oldlevel;
147 DEBUG(3,("Server exit (%s)\n",
148 (reason ? reason : "normal exit")));
152 gencache_stabilize();
155 /* if we had any open SMB connections when we exited then we
156 need to tell the parent smbd so that it can trigger a retry
157 of any locks we may have been holding or open files we were
166 void exit_server(const char *const explanation)
168 exit_server_common(SERVER_EXIT_ABNORMAL, explanation);
171 void exit_server_cleanly(const char *const explanation)
173 exit_server_common(SERVER_EXIT_NORMAL, explanation);
176 void exit_server_fault(void)
178 exit_server("critical server fault");