X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/48247c0f8dc2068413b6221779d0d82975da4619..3338e64bfce8a52c25fd85aeb14ac622d921938d:/ppp.c diff --git a/ppp.c b/ppp.c index 222cdbd..a169512 100644 --- a/ppp.c +++ b/ppp.c @@ -1,6 +1,6 @@ // L2TPNS PPP Stuff -char const *cvs_id_ppp = "$Id: ppp.c,v 1.25 2004-11-09 05:49:08 bodea Exp $"; +char const *cvs_id_ppp = "$Id: ppp.c,v 1.27 2004-11-18 13:15:28 bodea Exp $"; #include #include @@ -23,7 +23,7 @@ extern u32 eth_tx; extern time_t time_now; extern struct configt *config; -void sendccp(tunnelidt t, sessionidt s); +static void sendccp(tunnelidt t, sessionidt s); // Process PAP messages void processpap(tunnelidt t, sessionidt s, u8 *p, u16 l) @@ -224,7 +224,7 @@ void processchap(tunnelidt t, sessionidt s, u8 *p, u16 l) radiussend(r, RADIUSAUTH); } -char *ppp_lcp_types[] = { +static char *ppp_lcp_types[] = { NULL, "ConfigReq", "ConfigAck", @@ -240,7 +240,7 @@ char *ppp_lcp_types[] = { "IdentRequest", }; -void dumplcp(u8 *p, int l) +static void dumplcp(u8 *p, int l) { int x = l - 4; u8 *o = (p + 4); @@ -543,6 +543,26 @@ void processlcp(tunnelidt t, sessionidt s, u8 *p, u16 l) } } +// find a PPP option, returns point to option, or 0 if not found +static u8 *findppp(u8 *b, u8 mtype) +{ + u16 l = ntohs(*(u16 *) (b + 2)); + if (l < 4) + return 0; + b += 4; + l -= 4; + while (l) + { + if (l < b[1] || !b[1]) + return 0; // faulty + if (*b == mtype) + return b; + l -= b[1]; + b += b[1]; + } + return 0; +} + // Process IPCP messages void processipcp(tunnelidt t, sessionidt s, u8 *p, u16 l) { @@ -580,6 +600,10 @@ void processipcp(tunnelidt t, sessionidt s, u8 *p, u16 l) session[s].flags |= SF_IPCP_ACKED; LOG(3, session[s].ip, s, t, "IPCP Acked, session is now active\n"); + + // clear LCP_ACKED flag for possible fast renegotiaion for routers + session[s].flags &= ~SF_LCP_ACKED; + return; } if (*p != ConfigReq) @@ -820,7 +844,7 @@ void processccp(tunnelidt t, sessionidt s, u8 *p, u16 l) *p = TerminateAck; // close if (!(q = makeppp(b, sizeof(b), p, l, t, s, PPPCCP))) { - LOG(1,0,0,0, "Failed to send CCP packet.\n"); + LOG(1,0,0,0, "Failed to send CCP packet.\n"); return; } tunnelsend(b, l + (q - b), t); // send it @@ -910,26 +934,6 @@ u8 *makeppp(u8 *b, int size, u8 *p, int l, tunnelidt t, sessionidt s, u16 mtype) return b; } -// find a PPP option, returns point to option, or 0 if not found -u8 *findppp(u8 *b, u8 mtype) -{ - u16 l = ntohs(*(u16 *) (b + 2)); - if (l < 4) - return 0; - b += 4; - l -= 4; - while (l) - { - if (l < b[1] || !b[1]) - return 0; // faulty - if (*b == mtype) - return b; - l -= b[1]; - b += b[1]; - } - return 0; -} - // Send initial LCP ConfigReq void initlcp(tunnelidt t, sessionidt s) { @@ -955,7 +959,7 @@ void initlcp(tunnelidt t, sessionidt s) } // Send CCP reply -void sendccp(tunnelidt t, sessionidt s) +static void sendccp(tunnelidt t, sessionidt s) { char *q, b[500] = {0};