From a596ef53a689f0ecbf24d0043a4ad571cc8a4bf3 Mon Sep 17 00:00:00 2001 From: Dmitry Kozlov Date: Tue, 18 Apr 2017 20:47:53 +0300 Subject: 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. --- accel-pppd/ctrl/pppoe/pppoe.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'accel-pppd/ctrl/pppoe') diff --git a/accel-pppd/ctrl/pppoe/pppoe.c b/accel-pppd/ctrl/pppoe/pppoe.c index ff6b76f2..60d71276 100644 --- a/accel-pppd/ctrl/pppoe/pppoe.c +++ b/accel-pppd/ctrl/pppoe/pppoe.c @@ -950,6 +950,9 @@ static void pppoe_recv_PADI(struct pppoe_serv_t *serv, uint8_t *pack, int size) if (ap_shutdown || pado_delay == -1) return; + if (conf_max_sessions && ap_session_stat.active + ap_session_stat.starting >= conf_max_sessions) + return; + if (check_padi_limit(serv, ethhdr->h_source)) { __sync_add_and_fetch(&stat_PADI_drop, 1); if (conf_verbose) { @@ -1069,6 +1072,9 @@ static void pppoe_recv_PADR(struct pppoe_serv_t *serv, uint8_t *pack, int size) if (ap_shutdown) return; + if (conf_max_sessions && ap_session_stat.active + ap_session_stat.starting >= conf_max_sessions) + return; + if (!memcmp(ethhdr->h_dest, bc_addr, ETH_ALEN)) { if (conf_verbose) log_warn("pppoe: discard PADR (destination address is broadcast)\n"); -- cgit v1.2.3