X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/4e0597cd50268bc57fa118f1362360a2db2ec23a..87f85beba5bcd8e732609535896e7e909f3fd081:/l2tpns.c

diff --git a/l2tpns.c b/l2tpns.c
index 0ac9d03..6fdb88b 100644
--- 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
 
-char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.44 2004-11-05 04:55:27 bodea Exp $";
+char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.47 2004-11-09 08:05:02 bodea Exp $";
 
 #include <arpa/inet.h>
 #include <assert.h>
@@ -787,10 +787,6 @@ void processipout(u8 * buf, int len)
 		return;
 	}
 
-	// Snooping this session, send it to intercept box
-	if (sp->snoop_ip && sp->snoop_port)
-		snoop_send_packet(buf, len, sp->snoop_ip, sp->snoop_port);
-
 	LOG(5, session[s].ip, s, t, "Ethernet -> Tunnel (%d bytes)\n", len);
 
 	// Add on L2TP header
@@ -804,6 +800,10 @@ void processipout(u8 * buf, int len)
 		tunnelsend(b, len + (p-b), t); // send it...
 	}
 
+	// Snooping this session, send it to intercept box
+	if (sp->snoop_ip && sp->snoop_port)
+		snoop_send_packet(buf, len, sp->snoop_ip, sp->snoop_port);
+
 	sp->cout += len; // byte count
 	sp->total_cout += len; // byte count
 	sp->pout++;
@@ -837,15 +837,12 @@ void send_ipout(sessionidt s, u8 *buf, int len)
 
 	if (!session[s].ip)
 		return;
+
 	t = session[s].tunnel;
 	sp = &session[s];
 
 	LOG(5, session[s].ip, s, t, "Ethernet -> Tunnel (%d bytes)\n", len);
 
-	// Snooping this session.
-	if (sp->snoop_ip && sp->snoop_port)
-		snoop_send_packet(buf, len, sp->snoop_ip, sp->snoop_port);
-
 	// Add on L2TP header
 	{
 		u8 *p = makeppp(b, sizeof(b),  buf, len, t, s, PPPIP);
@@ -856,6 +853,11 @@ void send_ipout(sessionidt s, u8 *buf, int len)
 		}
 		tunnelsend(b, len + (p-b), t); // send it...
 	}
+
+	// Snooping this session.
+	if (sp->snoop_ip && sp->snoop_port)
+		snoop_send_packet(buf, len, sp->snoop_ip, sp->snoop_port);
+
 	sp->cout += len; // byte count
 	sp->total_cout += len; // byte count
 	sp->pout++;
@@ -2947,9 +2949,11 @@ int main(int argc, char *argv[])
 		switch (o)
 		{
 			case 'd':
-				// Double fork to detach from terminal
-				if (fork()) exit(0);
 				if (fork()) exit(0);
+				setsid();
+				freopen("/dev/null", "r", stdin);
+				freopen("/dev/null", "w", stdout);
+				freopen("/dev/null", "w", stderr);
 				break;
 			case 'v':
 				optdebug++;
@@ -3465,6 +3469,7 @@ void update_config()
 	{
 		if (strcmp(config->plugins[i], config->old_plugins[i]) == 0)
 			continue;
+
 		if (*config->plugins[i])
 		{
 			// Plugin added
@@ -3757,6 +3762,29 @@ static void *open_plugin(char *plugin_name, int load)
 	return dlopen(path, RTLD_NOW);
 }
 
+// plugin callback to get a config value
+static void *getconfig(char *key, enum config_typet type)
+{
+	int i;
+
+	for (i = 0; config_values[i].key; i++)
+	{
+		if (!strcmp(config_values[i].key, key))
+		{
+			if (config_values[i].type == type)
+				return ((void *) config) + config_values[i].offset;
+
+			LOG(1, 0, 0, 0, "plugin requested config item \"%s\" expecting type %d, have type %d\n",
+				key, type, config_values[i].type);
+
+			return 0;
+		}
+	}
+
+	LOG(1, 0, 0, 0, "plugin requested unknown config item \"%s\"\n", key);
+	return 0;
+}
+
 void add_plugin(char *plugin_name)
 {
 	static struct pluginfuncs funcs = {
@@ -3769,6 +3797,7 @@ void add_plugin(char *plugin_name)
 		sessionkill,
 		radiusnew,
 		radiussend,
+		getconfig,
 	};
 
 	void *p = open_plugin(plugin_name, 1);