2 Unix SMB/CIFS implementation.
3 Manage connections_struct structures
4 Copyright (C) Andrew Tridgell 1998
5 Copyright (C) Alexander Bokovoy 2002
6 Copyright (C) Jeremy Allison 2010
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "smbd/smbd.h"
24 #include "smbd/globals.h"
25 #include "rpc_server/rpc_ncacn_np.h"
27 /****************************************************************************
28 Update last used timestamps.
29 ****************************************************************************/
31 static void conn_lastused_update(struct smbd_server_connection
*sconn
,time_t t
)
33 if (sconn
->using_smb2
) {
35 struct smbd_smb2_session
*sess
;
36 for (sess
= sconn
->smb2
.sessions
.list
; sess
; sess
= sess
->next
) {
37 struct smbd_smb2_tcon
*ptcon
;
39 for (ptcon
= sess
->tcons
.list
; ptcon
; ptcon
= ptcon
->next
) {
40 connection_struct
*conn
= ptcon
->compat_conn
;
41 /* Update if connection wasn't idle. */
42 if (conn
&& conn
->lastused
!= conn
->lastused_count
) {
44 conn
->lastused_count
= t
;
50 connection_struct
*conn
;
51 for (conn
=sconn
->smb1
.tcons
.Connections
;conn
;conn
=conn
->next
) {
52 /* Update if connection wasn't idle. */
53 if (conn
->lastused
!= conn
->lastused_count
) {
55 conn
->lastused_count
= t
;
61 /****************************************************************************
62 Idle inactive connections.
63 ****************************************************************************/
65 bool conn_idle_all(struct smbd_server_connection
*sconn
, time_t t
)
67 int deadtime
= lp_deadtime()*60;
69 conn_lastused_update(sconn
, t
);
72 deadtime
= DEFAULT_SMBD_TIMEOUT
;
75 if (sconn
->using_smb2
) {
77 struct smbd_smb2_session
*sess
;
78 for (sess
= sconn
->smb2
.sessions
.list
; sess
; sess
= sess
->next
) {
79 struct smbd_smb2_tcon
*ptcon
;
81 for (ptcon
= sess
->tcons
.list
; ptcon
; ptcon
= ptcon
->next
) {
83 connection_struct
*conn
= ptcon
->compat_conn
;
89 age
= t
- conn
->lastused
;
90 /* close dirptrs on connections that are idle */
91 if (age
> DPTR_IDLE_TIMEOUT
) {
95 if (conn
->num_files_open
> 0 || age
< deadtime
) {
102 connection_struct
*conn
;
103 for (conn
=sconn
->smb1
.tcons
.Connections
;conn
;conn
=conn
->next
) {
104 time_t age
= t
- conn
->lastused
;
106 /* close dirptrs on connections that are idle */
107 if (age
> DPTR_IDLE_TIMEOUT
) {
111 if (conn
->num_files_open
> 0 || age
< deadtime
) {
118 * Check all pipes for any open handles. We cannot
119 * idle with a handle open.
121 if (check_open_pipes()) {
128 /****************************************************************************
129 Close all conn structures.
130 Return true if any were closed.
131 ****************************************************************************/
133 bool conn_close_all(struct smbd_server_connection
*sconn
)
136 if (sconn
->using_smb2
) {
138 struct smbd_smb2_session
*sess
;
139 for (sess
= sconn
->smb2
.sessions
.list
; sess
; sess
= sess
->next
) {
140 struct smbd_smb2_tcon
*tcon
, *tc_next
;
142 for (tcon
= sess
->tcons
.list
; tcon
; tcon
= tc_next
) {
143 tc_next
= tcon
->next
;
150 connection_struct
*conn
, *next
;
152 for (conn
=sconn
->smb1
.tcons
.Connections
;conn
;conn
=next
) {
154 set_current_service(conn
, 0, True
);
155 close_cnum(conn
, conn
->vuid
);
163 /****************************************************************************
164 Forcibly unmount a share.
165 All instances of the parameter 'sharename' share are unmounted.
166 The special sharename '*' forces unmount of all shares.
167 ****************************************************************************/
169 void conn_force_tdis(struct smbd_server_connection
*sconn
, const char *sharename
)
171 connection_struct
*conn
, *next
;
173 if (strcmp(sharename
, "*") == 0) {
174 DEBUG(1,("Forcing close of all shares\n"));
175 conn_close_all(sconn
);
179 if (sconn
->using_smb2
) {
181 struct smbd_smb2_session
*sess
;
182 for (sess
= sconn
->smb2
.sessions
.list
; sess
; sess
= sess
->next
) {
183 struct smbd_smb2_tcon
*tcon
, *tc_next
;
185 for (tcon
= sess
->tcons
.list
; tcon
; tcon
= tc_next
) {
186 tc_next
= tcon
->next
;
187 if (tcon
->compat_conn
&&
188 strequal(lp_servicename(SNUM(tcon
->compat_conn
)),
190 DEBUG(1,("Forcing close of share %s cnum=%d\n",
191 sharename
, tcon
->compat_conn
->cnum
));
198 for (conn
=sconn
->smb1
.tcons
.Connections
;conn
;conn
=next
) {
200 if (strequal(lp_servicename(SNUM(conn
)), sharename
)) {
201 DEBUG(1,("Forcing close of share %s cnum=%d\n",
202 sharename
, conn
->cnum
));
203 close_cnum(conn
, (uint16
)-1);