X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/35f10d93f4f2bbd5791dc0996a36f0ba8386576d..b4f2e323ff709c033b60a973e1c52feb1aabc9b1:/l2tplac.c?ds=sidebyside diff --git a/l2tplac.c b/l2tplac.c index 3851fa0..6ad4683 100644 --- a/l2tplac.c +++ b/l2tplac.c @@ -1,15 +1,20 @@ /* + * Fernando ALVES 2013 * Add functionality "LAC" to l2tpns. * Used to forward a ppp session to another "LNS". + * GPL licenced */ + #include #include #include "md5.h" #include "l2tpns.h" #include "util.h" +#include "cluster.h" #include "l2tplac.h" +#include "pppoe.h" /* sequence diagram: Client <--> LAC <--> LNS1 <--> LNS2 * @@ -444,7 +449,7 @@ void lac_calc_rlns_auth(tunnelidt t, uint8_t id, uint8_t *out) } // Forward session to LAC or Remote LNS -int lac_session_forward(uint8_t *buf, int len, sessionidt sess, uint16_t proto) +int lac_session_forward(uint8_t *buf, int len, sessionidt sess, uint16_t proto, in_addr_t s_addr, int sin_port) { uint16_t t = 0, s = 0; uint8_t *p = buf + 2; // First word L2TP options @@ -465,10 +470,29 @@ int lac_session_forward(uint8_t *buf, int len, sessionidt sess, uint16_t proto) if ((!tunnel[t].isremotelns) && (!tunnel[session[sess].tunnel].isremotelns)) { - LOG(0, sess, session[sess].tunnel, "Link Tunnel Session (%u) broken\n", s); + LOG(0, sess, session[sess].tunnel, "Link Tunnel Session (%u/%u) broken\n", s, t); return 0; } + if (!config->cluster_iam_master) + { + if ( (proto == PPPIPCP) || (proto == PPPLCP) || + (proto == PPPPAP) || (proto == PPPCHAP) || + (proto == PPPIPV6CP && config->ipv6_prefix.s6_addr[0]) || + (proto == PPPCCP) ) + { + session[sess].last_packet = time_now; + master_forward_packet(buf, len, s_addr, sin_port); + return 1; + } + } + + if (t == TUNNEL_ID_PPPOE) + { + pppoe_forwardto_session_pppoe(buf, len, sess, proto); + return 1; + } + if (*buf & 0x40) { // length p += 2;