remove old compatability code

[l2tpns.git] / ppp.c

diff --git a/ppp.c b/ppp.c
index d331bf6..25e6f8a 100644 (file)
--- a/ppp.c
+++ b/ppp.c
@@ -1,6 +1,6 @@
 // L2TPNS PPP Stuff
 
-char const *cvs_id_ppp = "$Id: ppp.c,v 1.60 2005/05/10 11:23:33 bodea Exp $";
+char const *cvs_id_ppp = "$Id: ppp.c,v 1.64 2005/06/24 08:34:53 bodea Exp $";
 
 #include <stdio.h>
 #include <string.h>
@@ -150,7 +150,6 @@ void processchap(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
        {
                LOG(1, s, t, "Unexpected CHAP message\n");
                STAT(tunnel_rx_errors);
-               sessionshutdown(s, "Unexpected CHAP message.", 3, 0);
                return;
        }
 
@@ -719,22 +718,32 @@ void processipcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
 
        if (*p == ConfigAck)
        {
-               // happy with our IPCP
                uint16_t r = sess_local[s].radius;
-               if ((!r || radius[r].state == RADIUSIPCP) && !session[s].walled_garden)
-               {
-                       if (!r)
-                               r = radiusnew(s);
-                       if (r)
-                               radiussend(r, RADIUSSTART); // send radius start, having got IPCP at last
-               }
+
+               // ignore duplicate ACKs
+               if (session[s].flags & SF_IPCP_ACKED)
+                       return;
+
+               // happy with our IPCP
                session[s].flags |= SF_IPCP_ACKED;
 
                LOG(3, s, t, "IPCP Acked, session is now active\n");
 
-               // clear LCP_ACKED/CCP_ACKED flag for possible fast renegotiaion for routers
+               // clear LCP_ACKED/CCP_ACKED flag for possible fast renegotiation for routers
                session[s].flags &= ~(SF_LCP_ACKED|SF_CCP_ACKED);
 
+               if (r && session[s].walled_garden)
+               {
+                       radiusclear(r, s);
+                       return;
+               }
+
+               if (!r)
+                       r = radiusnew(s);
+
+               if (r)
+                       radiussend(r, RADIUSSTART); // send radius start, having got IPCP at last
+
                return;
        }
        if (*p != ConfigReq)
@@ -1016,21 +1025,26 @@ void processipin(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
                return;
        }
 
+       p += 4;
+       l -= 4;
+
        if (session[s].snoop_ip && session[s].snoop_port)
        {
                // Snooping this session
-               snoop_send_packet(p + 4, l - 4, session[s].snoop_ip, session[s].snoop_port);
+               snoop_send_packet(p, l, session[s].snoop_ip, session[s].snoop_port);
        }
 
-       session[s].cin += l - 4;
-       session[s].total_cin += l - 4;
-       sess_local[s].cin += l - 4;
-
+       increment_counter(&session[s].cin, &session[s].cin_wrap, l);
+       session[s].cin_delta += l;
        session[s].pin++;
-       eth_tx += l - 4;
+
+       sess_local[s].cin += l;
+       sess_local[s].pin++;
+
+       eth_tx += l;
 
        STAT(tun_tx_packets);
-       INC_STAT(tun_tx_bytes, l - 4);
+       INC_STAT(tun_tx_bytes, l);
 }
 
 // process IPv6 packet received
@@ -1104,21 +1118,26 @@ void processipv6in(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l)
                return;
        }
 
+       p += 4;
+       l -= 4;
+
        if (session[s].snoop_ip && session[s].snoop_port)
        {
                // Snooping this session
-               snoop_send_packet(p + 4, l - 4, session[s].snoop_ip, session[s].snoop_port);
+               snoop_send_packet(p, l, session[s].snoop_ip, session[s].snoop_port);
        }
 
-       session[s].cin += l - 4;
-       session[s].total_cin += l - 4;
-       sess_local[s].cin += l - 4;
-
+       increment_counter(&session[s].cin, &session[s].cin_wrap, l);
+       session[s].cin_delta += l;
        session[s].pin++;
-       eth_tx += l - 4;
+
+       sess_local[s].cin += l;
+       sess_local[s].pin++;
+
+       eth_tx += l;
 
        STAT(tun_tx_packets);
-       INC_STAT(tun_tx_bytes, l - 4);
+       INC_STAT(tun_tx_bytes, l);
 }
 
 //
@@ -1138,19 +1157,24 @@ void send_ipin(sessionidt s, uint8_t *buf, int len)
                return;
        }
 
+       buf += 4;
+       len -= 4;
+
        if (session[s].snoop_ip && session[s].snoop_port)
        {
                // Snooping this session
-               snoop_send_packet(buf + 4, len - 4, session[s].snoop_ip, session[s].snoop_port);
+               snoop_send_packet(buf, len, session[s].snoop_ip, session[s].snoop_port);
        }
 
        // Increment packet counters
-       session[s].cin += len - 4;
-       session[s].total_cin += len - 4;
-       sess_local[s].cin += len - 4;
-
+       increment_counter(&session[s].cin, &session[s].cin_wrap, len);
+       session[s].cin_delta += len;
        session[s].pin++;
-       eth_tx += len - 4;
+
+       sess_local[s].cin += len;
+       sess_local[s].pin++;
+
+       eth_tx += len;
 
        STAT(tun_tx_packets);
        INC_STAT(tun_tx_bytes, len - 4);