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.

1 files changed, 6 insertions, 1 deletions

diff --git a/accel-pppd/ctrl/pptp/pptp.c b/accel-pppd/ctrl/pptp/pptp.c
index 4aba5767..99958cc8 100644
--- a/accel-pppd/ctrl/pptp/pptp.c
+++ b/accel-pppd/ctrl/pptp/pptp.c
@@ -648,9 +648,14 @@ static int pptp_connect(struct triton_md_handler_t *h)
 			continue;
 		}
 
+		if (conf_max_sessions && ap_session_stat.active + ap_session_stat.starting >= conf_max_sessions) {
+			close(sock);
+			continue;
+		}
+
 		if (triton_module_loaded("connlimit") && connlimit_check(cl_key_from_ipv4(addr.sin_addr.s_addr))) {
 			close(sock);
-			return 0;
+			continue;
 		}
 
 		log_info2("pptp: new connection from %s\n", inet_ntoa(addr.sin_addr));