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/smbd.h"
27 #include "smbd/globals.h"
29 #include "../librpc/gen_ndr/srv_dfs.h"
30 #include "../librpc/gen_ndr/srv_dssetup.h"
31 #include "../librpc/gen_ndr/srv_echo.h"
32 #include "../librpc/gen_ndr/srv_eventlog.h"
33 #include "../librpc/gen_ndr/srv_initshutdown.h"
34 #include "../librpc/gen_ndr/srv_lsa.h"
35 #include "../librpc/gen_ndr/srv_netlogon.h"
36 #include "../librpc/gen_ndr/srv_ntsvcs.h"
37 #include "../librpc/gen_ndr/srv_samr.h"
38 #include "../librpc/gen_ndr/srv_spoolss.h"
39 #include "../librpc/gen_ndr/srv_srvsvc.h"
40 #include "../librpc/gen_ndr/srv_svcctl.h"
41 #include "../librpc/gen_ndr/srv_winreg.h"
42 #include "../librpc/gen_ndr/srv_wkssvc.h"
43 #include "printing/notify.h"
47 #include "../lib/util/pidfile.h"
49 static struct files_struct
*log_writeable_file_fn(
50 struct files_struct
*fsp
, void *private_data
)
52 bool *found
= (bool *)private_data
;
55 if (!fsp
->can_write
) {
59 DEBUG(0, ("Writable files open at exit:\n"));
63 path
= talloc_asprintf(talloc_tos(), "%s/%s", fsp
->conn
->connectpath
,
64 smb_fname_str_dbg(fsp
->fsp_name
));
66 DEBUGADD(0, ("<NOMEM>\n"));
69 DEBUGADD(0, ("%s\n", path
));
75 /****************************************************************************
77 ****************************************************************************/
79 /* Reasons for shutting down a server process. */
80 enum server_exit_reason
{ SERVER_EXIT_NORMAL
, SERVER_EXIT_ABNORMAL
};
82 static void exit_server_common(enum server_exit_reason how
,
83 const char *reason
) _NORETURN_
;
85 static void exit_server_common(enum server_exit_reason how
,
88 struct smbXsrv_client
*client
= global_smbXsrv_client
;
89 struct smbXsrv_connection
*xconn
= NULL
;
90 struct smbd_server_connection
*sconn
= NULL
;
91 struct messaging_context
*msg_ctx
= server_messaging_context();
94 sconn
= client
->sconn
;
96 * Here we typically have just one connection
98 xconn
= client
->connections
;
103 exit_firsttime
= false;
105 change_to_root_user();
109 * This is typically the disconnect for the only
110 * (or with multi-channel last) connection of the client
112 if (NT_STATUS_IS_OK(xconn
->transport
.status
)) {
114 case SERVER_EXIT_ABNORMAL
:
115 xconn
->transport
.status
= NT_STATUS_INTERNAL_ERROR
;
117 case SERVER_EXIT_NORMAL
:
118 xconn
->transport
.status
= NT_STATUS_LOCAL_DISCONNECT
;
123 TALLOC_FREE(xconn
->smb1
.negprot
.auth_context
);
126 change_to_root_user();
129 if (lp_log_writeable_files_on_exit()) {
131 files_forall(sconn
, log_writeable_file_fn
, &found
);
135 change_to_root_user();
141 * Note: this is a no-op for smb2 as
142 * conn->tcon_table is empty
144 status
= smb1srv_tcon_disconnect_all(xconn
);
145 if (!NT_STATUS_IS_OK(status
)) {
146 DEBUG(0,("Server exit (%s)\n",
147 (reason
? reason
: "normal exit")));
148 DEBUG(0, ("exit_server_common: "
149 "smb1srv_tcon_disconnect_all() failed (%s) - "
150 "triggering cleanup\n", nt_errstr(status
)));
151 how
= SERVER_EXIT_ABNORMAL
;
152 reason
= "smb1srv_tcon_disconnect_all failed";
155 status
= smbXsrv_session_logoff_all(xconn
);
156 if (!NT_STATUS_IS_OK(status
)) {
157 DEBUG(0,("Server exit (%s)\n",
158 (reason
? reason
: "normal exit")));
159 DEBUG(0, ("exit_server_common: "
160 "smbXsrv_session_logoff_all() failed (%s) - "
161 "triggering cleanup\n", nt_errstr(status
)));
162 how
= SERVER_EXIT_ABNORMAL
;
163 reason
= "smbXsrv_session_logoff_all failed";
167 change_to_root_user();
169 /* 3 second timeout. */
170 print_notify_send_messages(msg_ctx
, 3);
172 /* delete our entry in the serverid database. */
175 * For children the parent takes care of cleaning up
177 serverid_deregister(messaging_server_id(msg_ctx
));
181 if (dcelogin_atmost_once
) {
187 /* Destroy Samba DMAPI session only if we are master smbd process */
189 if (!dmapi_destroy_session()) {
190 DEBUG(0,("Unable to close Samba DMAPI session\n"));
196 rpc_wkssvc_shutdown();
197 rpc_dssetup_shutdown();
199 rpc_rpcecho_shutdown();
201 rpc_netdfs_shutdown();
202 rpc_initshutdown_shutdown();
203 rpc_eventlog_shutdown();
204 rpc_ntsvcs_shutdown();
205 rpc_svcctl_shutdown();
206 rpc_spoolss_shutdown();
208 rpc_srvsvc_shutdown();
209 rpc_winreg_shutdown();
211 rpc_netlogon_shutdown();
213 rpc_lsarpc_shutdown();
217 * we need to force the order of freeing the following,
218 * because smbd_msg_ctx is not a talloc child of smbd_server_conn.
220 if (client
!= NULL
) {
221 struct smbXsrv_connection
*next
;
223 for (; xconn
!= NULL
; xconn
= next
) {
225 DLIST_REMOVE(client
->connections
, xconn
);
227 DO_PROFILE_INC(disconnect
);
229 TALLOC_FREE(client
->sconn
);
234 TALLOC_FREE(global_smbXsrv_client
);
235 server_messaging_context_free();
236 server_event_context_free();
237 TALLOC_FREE(smbd_memcache_ctx
);
242 if (how
!= SERVER_EXIT_NORMAL
) {
249 DEBUG(3,("Server exit (%s)\n",
250 (reason
? reason
: "normal exit")));
252 pidfile_unlink(lp_pid_directory(), "smbd");
254 gencache_stabilize();
260 void smbd_exit_server(const char *const explanation
)
262 exit_server_common(SERVER_EXIT_ABNORMAL
, explanation
);
265 void smbd_exit_server_cleanly(const char *const explanation
)
267 exit_server_common(SERVER_EXIT_NORMAL
, explanation
);