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authorDmitry Kozlov <xeb@mail.ru>2017-04-18 20:42:32 +0300
committerDmitry Kozlov <xeb@mail.ru>2017-04-18 20:42:32 +0300
commit88a908974b0b2e9c7eee8ad9a8b0b4432e95d167 (patch)
treec347a8a2aca1d4ef069862fac4c131c31a501ceb /accel-pppd/ctrl/l2tp/l2tp.c
parentc94c49114ca6c6dd342dad0db525050a154f7a0e (diff)
downloadaccel-ppp-88a908974b0b2e9c7eee8ad9a8b0b4432e95d167.tar.gz
accel-ppp-88a908974b0b2e9c7eee8ad9a8b0b4432e95d167.zip
implemented session count limiting
new config option: [common] max-sessions=N If set then accel-pppd stops reply to new connection requests if total number of sessions (active and starting) is reached specified limit.
Diffstat (limited to 'accel-pppd/ctrl/l2tp/l2tp.c')
-rw-r--r--accel-pppd/ctrl/l2tp/l2tp.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/accel-pppd/ctrl/l2tp/l2tp.c b/accel-pppd/ctrl/l2tp/l2tp.c
index bb3df4d..6399655 100644
--- a/accel-pppd/ctrl/l2tp/l2tp.c
+++ b/accel-pppd/ctrl/l2tp/l2tp.c
@@ -2737,6 +2737,9 @@ static int l2tp_recv_SCCRQ(const struct l2tp_serv_t *serv,
return 0;
}
+ if (conf_max_sessions && ap_session_stat.active + ap_session_stat.starting > conf_max_sessions)
+ return 0;
+
if (triton_module_loaded("connlimit")
&& connlimit_check(cl_key_from_ipv4(pack->addr.sin_addr.s_addr))) {
log_warn("l2tp: connection limits reached,"
@@ -3263,6 +3266,9 @@ static int l2tp_recv_ICRQ(struct l2tp_conn_t *conn,
return 0;
}
+ if (conf_max_sessions && ap_session_stat.active + ap_session_stat.starting > conf_max_sessions)
+ return 0;
+
if (triton_module_loaded("connlimit")
&& connlimit_check(cl_key_from_ipv4(conn->peer_addr.sin_addr.s_addr))) {
log_tunnel(log_warn, conn, "connection limits reached,"
@@ -3563,6 +3569,9 @@ static int l2tp_recv_OCRQ(struct l2tp_conn_t *conn,
return 0;
}
+ if (conf_max_sessions && ap_session_stat.active + ap_session_stat.starting > conf_max_sessions)
+ return 0;
+
if (triton_module_loaded("connlimit")
&& connlimit_check(cl_key_from_ipv4(conn->peer_addr.sin_addr.s_addr))) {
log_tunnel(log_warn, conn, "connection limits reached,"