X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/c94265dbc20a09b7efc872d2737b7c0acf82a91e..726ce371316da1c37f061d09f985b01858ba61e0:/ppp.c?ds=sidebyside diff --git a/ppp.c b/ppp.c index 809637c..81727e9 100644 --- a/ppp.c +++ b/ppp.c @@ -1,6 +1,6 @@ // L2TPNS PPP Stuff -char const *cvs_id_ppp = "$Id: ppp.c,v 1.24 2004/11/09 05:48:28 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) @@ -783,7 +807,7 @@ void send_ipin(sessionidt s, u8 *buf, int len) eth_tx += len - 4; STAT(tun_tx_packets); - INC_STAT(tun_tx_bytes, l - 4); + INC_STAT(tun_tx_bytes, len - 4); } @@ -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};