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Merge branch 'rfc4760' into fdn-mods
[l2tpns.git] / l2tpns.c
diff --git a/l2tpns.c b/l2tpns.c
index 8e3f762..61b2184 100644 (file)
--- a/l2tpns.c
+++ b/l2tpns.c
@@ -4,7 +4,7 @@
 // Copyright (c) 2002 FireBrick (Andrews & Arnold Ltd / Watchfront Ltd) - GPL licenced
 // vim: sw=8 ts=8
 
 // Copyright (c) 2002 FireBrick (Andrews & Arnold Ltd / Watchfront Ltd) - GPL licenced
 // vim: sw=8 ts=8
 
-char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.174 2010/01/09 13:33:41 bodea Exp $";
+char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.176 2011/01/20 12:48:40 bodea Exp $";
 
 #include <arpa/inet.h>
 #include <assert.h>
 
 #include <arpa/inet.h>
 #include <assert.h>
@@ -69,7 +69,7 @@ int rand_fd = -1;             // Random data source
 int cluster_sockfd = -1;       // Intra-cluster communications socket.
 int epollfd = -1;              // event polling
 time_t basetime = 0;           // base clock
 int cluster_sockfd = -1;       // Intra-cluster communications socket.
 int epollfd = -1;              // event polling
 time_t basetime = 0;           // base clock
-char hostname[1000] = "";      // us.
+char hostname[MAXHOSTNAME] = "";       // us.
 static int tunidx;             // ifr_ifindex of tun device
 static int syslog_log = 0;     // are we logging to syslog
 static FILE *log_stream = 0;   // file handle for direct logging (i.e. direct into file, not via syslog).
 static int tunidx;             // ifr_ifindex of tun device
 static int syslog_log = 0;     // are we logging to syslog
 static FILE *log_stream = 0;   // file handle for direct logging (i.e. direct into file, not via syslog).
@@ -157,6 +157,10 @@ config_descriptt config_values[] = {
        CONFIG("cluster_hb_timeout", cluster_hb_timeout, INT),
        CONFIG("cluster_master_min_adv", cluster_master_min_adv, INT),
        CONFIG("ipv6_prefix", ipv6_prefix, IPv6),
        CONFIG("cluster_hb_timeout", cluster_hb_timeout, INT),
        CONFIG("cluster_master_min_adv", cluster_master_min_adv, INT),
        CONFIG("ipv6_prefix", ipv6_prefix, IPv6),
+       CONFIG("cli_bind_address", cli_bind_address, IPv4),
+       CONFIG("hostname", hostname, STRING),
+       CONFIG("nexthop_address", nexthop_address, IPv4),
+       CONFIG("nexthop6_address", nexthop6_address, IPv6),
        { NULL, 0, 0, 0 },
 };
 
        { NULL, 0, 0, 0 },
 };
 
@@ -164,8 +168,6 @@ static char *plugin_functions[] = {
        NULL,
        "plugin_pre_auth",
        "plugin_post_auth",
        NULL,
        "plugin_pre_auth",
        "plugin_post_auth",
-       "plugin_packet_rx",
-       "plugin_packet_tx",
        "plugin_timer",
        "plugin_new_session",
        "plugin_kill_session",
        "plugin_timer",
        "plugin_new_session",
        "plugin_kill_session",
@@ -501,7 +503,12 @@ void route6set(sessionidt s, struct in6_addr ip, int prefixlen, int add)
                LOG(0, 0, 0, "route6set() error in ioctl: %s\n",
                                strerror(errno));
 
                LOG(0, 0, 0, "route6set() error in ioctl: %s\n",
                                strerror(errno));
 
-       // FIXME: need to add BGP routing (RFC2858)
+#ifdef BGP
+       if (add)
+               bgp_add_route6(ip, prefixlen);
+       else
+               bgp_del_route6(ip, prefixlen);
+#endif /* BGP */
 
        if (s)
        {
 
        if (s)
        {
@@ -2686,9 +2693,11 @@ void processudp(uint8_t *buf, int len, struct sockaddr_in *addr)
                                        break;
                                case 2:       // SCCRP
                                        tunnel[t].state = TUNNELOPEN;
                                        break;
                                case 2:       // SCCRP
                                        tunnel[t].state = TUNNELOPEN;
+                                       tunnel[t].lastrec = time_now;
                                        break;
                                case 3:       // SCCN
                                        tunnel[t].state = TUNNELOPEN;
                                        break;
                                case 3:       // SCCN
                                        tunnel[t].state = TUNNELOPEN;
+                                       tunnel[t].lastrec = time_now;
                                        controlnull(t); // ack
                                        break;
                                case 4:       // StopCCN
                                        controlnull(t); // ack
                                        break;
                                case 4:       // StopCCN
@@ -3031,7 +3040,7 @@ static void regular_cleanups(double period)
                        if (tunnel[t].retry <= TIME)
                        {
                                controlt *c = tunnel[t].controls;
                        if (tunnel[t].retry <= TIME)
                        {
                                controlt *c = tunnel[t].controls;
-                               uint8_t w = tunnel[t].window;
+                               uint16_t w = tunnel[t].window;
                                tunnel[t].try++; // another try
                                if (tunnel[t].try > 5)
                                        tunnelkill(t, "Timeout on control message"); // game over
                                tunnel[t].try++; // another try
                                if (tunnel[t].try > 5)
                                        tunnelkill(t, "Timeout on control message"); // game over
@@ -3395,35 +3404,36 @@ static int still_busy(void)
        static clockt last_talked = 0;
        static clockt start_busy_wait = 0;
 
        static clockt last_talked = 0;
        static clockt start_busy_wait = 0;
 
-       if (!config->cluster_iam_master)
-       {
 #ifdef BGP
 #ifdef BGP
-               static time_t stopped_bgp = 0;
-               if (bgp_configured)
+       static time_t stopped_bgp = 0;
+       if (bgp_configured)
+       {
+               if (!stopped_bgp)
                {
                {
-                       if (!stopped_bgp)
-                       {
-                               LOG(1, 0, 0, "Shutting down in %d seconds, stopping BGP...\n", QUIT_DELAY);
+                       LOG(1, 0, 0, "Shutting down in %d seconds, stopping BGP...\n", QUIT_DELAY);
 
 
-                               for (i = 0; i < BGP_NUM_PEERS; i++)
-                                       if (bgp_peers[i].state == Established)
-                                               bgp_stop(&bgp_peers[i]);
+                       for (i = 0; i < BGP_NUM_PEERS; i++)
+                               if (bgp_peers[i].state == Established)
+                                       bgp_stop(&bgp_peers[i]);
 
 
-                               stopped_bgp = time_now;
+                       stopped_bgp = time_now;
 
 
+                       if (!config->cluster_iam_master)
+                       {
                                // we don't want to become master
                                cluster_send_ping(0);
 
                                return 1;
                        }
                                // we don't want to become master
                                cluster_send_ping(0);
 
                                return 1;
                        }
-
-                       if (time_now < (stopped_bgp + QUIT_DELAY))
-                               return 1;
                }
                }
+
+               if (!config->cluster_iam_master && time_now < (stopped_bgp + QUIT_DELAY))
+                       return 1;
+       }
 #endif /* BGP */
 
 #endif /* BGP */
 
+       if (!config->cluster_iam_master)
                return 0;
                return 0;
-       }
 
        if (main_quit == QUIT_SHUTDOWN)
        {
 
        if (main_quit == QUIT_SHUTDOWN)
        {
@@ -3564,7 +3574,8 @@ static void mainloop(void)
                if (config->neighbour[i].name[0])
                        bgp_start(&bgp_peers[i], config->neighbour[i].name,
                                config->neighbour[i].as, config->neighbour[i].keepalive,
                if (config->neighbour[i].name[0])
                        bgp_start(&bgp_peers[i], config->neighbour[i].name,
                                config->neighbour[i].as, config->neighbour[i].keepalive,
-                               config->neighbour[i].hold, 0); /* 0 = routing disabled */
+                               config->neighbour[i].hold, config->neighbour[i].update_source,
+                               0); /* 0 = routing disabled */
        }
 #endif /* BGP */
 
        }
 #endif /* BGP */
 
@@ -4065,9 +4076,14 @@ static void initdata(int optdebug, char *optconfig)
 
        if (!*hostname)
        {
 
        if (!*hostname)
        {
-               // Grab my hostname unless it's been specified
-               gethostname(hostname, sizeof(hostname));
-               stripdomain(hostname);
+               if (!*config->hostname)
+               {
+                       // Grab my hostname unless it's been specified
+                       gethostname(hostname, sizeof(hostname));
+                       stripdomain(hostname);
+               }
+               else
+                       strcpy(hostname, config->hostname);
        }
 
        _statistics->start_time = _statistics->last_reset = time(NULL);
        }
 
        _statistics->start_time = _statistics->last_reset = time(NULL);
for cloning use: "git clone git://git.sameswireless.fr/l2tpns.git" ; For add to your sources.list: "deb http://package.sameswifi.fr/ jessie main"