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"
48 #include "smbprofile.h"
50 static struct files_struct
*log_writeable_file_fn(
51 struct files_struct
*fsp
, void *private_data
)
53 bool *found
= (bool *)private_data
;
56 if (!fsp
->can_write
) {
60 DEBUG(0, ("Writable files open at exit:\n"));
64 path
= talloc_asprintf(talloc_tos(), "%s/%s", fsp
->conn
->connectpath
,
65 smb_fname_str_dbg(fsp
->fsp_name
));
67 DEBUGADD(0, ("<NOMEM>\n"));
70 DEBUGADD(0, ("%s\n", path
));
76 /****************************************************************************
78 ****************************************************************************/
80 /* Reasons for shutting down a server process. */
81 enum server_exit_reason
{ SERVER_EXIT_NORMAL
, SERVER_EXIT_ABNORMAL
};
83 static void exit_server_common(enum server_exit_reason how
,
84 const char *reason
) _NORETURN_
;
86 static void exit_server_common(enum server_exit_reason how
,
89 struct smbXsrv_client
*client
= global_smbXsrv_client
;
90 struct smbXsrv_connection
*xconn
= NULL
;
91 struct smbd_server_connection
*sconn
= NULL
;
92 struct messaging_context
*msg_ctx
= server_messaging_context();
95 sconn
= client
->sconn
;
97 * Here we typically have just one connection
99 xconn
= client
->connections
;
104 exit_firsttime
= false;
106 change_to_root_user();
110 * This is typically the disconnect for the only
111 * (or with multi-channel last) connection of the client
113 if (NT_STATUS_IS_OK(xconn
->transport
.status
)) {
115 case SERVER_EXIT_ABNORMAL
:
116 xconn
->transport
.status
= NT_STATUS_INTERNAL_ERROR
;
118 case SERVER_EXIT_NORMAL
:
119 xconn
->transport
.status
= NT_STATUS_LOCAL_DISCONNECT
;
124 TALLOC_FREE(xconn
->smb1
.negprot
.auth_context
);
127 change_to_root_user();
130 if (lp_log_writeable_files_on_exit()) {
132 files_forall(sconn
, log_writeable_file_fn
, &found
);
136 change_to_root_user();
142 * Note: this is a no-op for smb2 as
143 * conn->tcon_table is empty
145 status
= smb1srv_tcon_disconnect_all(xconn
);
146 if (!NT_STATUS_IS_OK(status
)) {
147 DEBUG(0,("Server exit (%s)\n",
148 (reason
? reason
: "normal exit")));
149 DEBUG(0, ("exit_server_common: "
150 "smb1srv_tcon_disconnect_all() failed (%s) - "
151 "triggering cleanup\n", nt_errstr(status
)));
152 how
= SERVER_EXIT_ABNORMAL
;
153 reason
= "smb1srv_tcon_disconnect_all failed";
156 status
= smbXsrv_session_logoff_all(xconn
);
157 if (!NT_STATUS_IS_OK(status
)) {
158 DEBUG(0,("Server exit (%s)\n",
159 (reason
? reason
: "normal exit")));
160 DEBUG(0, ("exit_server_common: "
161 "smbXsrv_session_logoff_all() failed (%s) - "
162 "triggering cleanup\n", nt_errstr(status
)));
163 how
= SERVER_EXIT_ABNORMAL
;
164 reason
= "smbXsrv_session_logoff_all failed";
168 change_to_root_user();
170 /* 3 second timeout. */
171 print_notify_send_messages(msg_ctx
, 3);
173 /* delete our entry in the serverid database. */
176 * For children the parent takes care of cleaning up
178 serverid_deregister(messaging_server_id(msg_ctx
));
182 if (dcelogin_atmost_once
) {
188 /* Destroy Samba DMAPI session only if we are master smbd process */
190 if (!dmapi_destroy_session()) {
191 DEBUG(0,("Unable to close Samba DMAPI session\n"));
197 rpc_wkssvc_shutdown();
198 rpc_dssetup_shutdown();
200 rpc_rpcecho_shutdown();
202 rpc_netdfs_shutdown();
203 rpc_initshutdown_shutdown();
204 rpc_eventlog_shutdown();
205 rpc_ntsvcs_shutdown();
206 rpc_svcctl_shutdown();
207 rpc_spoolss_shutdown();
209 rpc_srvsvc_shutdown();
210 rpc_winreg_shutdown();
212 rpc_netlogon_shutdown();
214 rpc_lsarpc_shutdown();
218 * we need to force the order of freeing the following,
219 * because smbd_msg_ctx is not a talloc child of smbd_server_conn.
221 if (client
!= NULL
) {
222 struct smbXsrv_connection
*next
;
224 for (; xconn
!= NULL
; xconn
= next
) {
226 DLIST_REMOVE(client
->connections
, xconn
);
228 DO_PROFILE_INC(disconnect
);
230 TALLOC_FREE(client
->sconn
);
235 TALLOC_FREE(global_smbXsrv_client
);
237 server_messaging_context_free();
238 server_event_context_free();
239 TALLOC_FREE(smbd_memcache_ctx
);
244 if (how
!= SERVER_EXIT_NORMAL
) {
251 DEBUG(3,("Server exit (%s)\n",
252 (reason
? reason
: "normal exit")));
254 pidfile_unlink(lp_pid_directory(), "smbd");
256 gencache_stabilize();
262 void smbd_exit_server(const char *const explanation
)
264 exit_server_common(SERVER_EXIT_ABNORMAL
, explanation
);
267 void smbd_exit_server_cleanly(const char *const explanation
)
269 exit_server_common(SERVER_EXIT_NORMAL
, explanation
);
273 * reinit_after_fork() wrapper that should be called when forking from
276 NTSTATUS
smbd_reinit_after_fork(struct messaging_context
*msg_ctx
,
277 struct tevent_context
*ev_ctx
,
278 bool parent_longlived
, const char *comment
)
281 return reinit_after_fork(msg_ctx
, ev_ctx
, parent_longlived
, comment
);