X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/3057f5e655405b7ba84a559213a1dbaaa3eaaab6..15e84554e1274f1f2d8dd7e389b148c8e6309198:/l2tpns.h?ds=sidebyside

diff --git a/l2tpns.h b/l2tpns.h
index 0825d38..ef91cf3 100644
--- a/l2tpns.h
+++ b/l2tpns.h
@@ -1,5 +1,5 @@
 // L2TPNS Global Stuff
-// $Id: l2tpns.h,v 1.38 2004-11-27 05:19:53 bodea Exp $
+// $Id: l2tpns.h,v 1.41 2004-11-29 02:17:17 bodea Exp $
 
 #ifndef __L2TPNS_H__
 #define __L2TPNS_H__
@@ -124,6 +124,8 @@ struct cli_session_actions {
 	u16 snoop_port;
 	int throttle_in;
 	int throttle_out;
+	int filter_in;
+	int filter_out;
 };
 
 #define CLI_SESS_KILL		0x01
@@ -131,6 +133,8 @@ struct cli_session_actions {
 #define CLI_SESS_NOSNOOP	0x04
 #define CLI_SESS_THROTTLE	0x08
 #define CLI_SESS_NOTHROTTLE	0x10
+#define CLI_SESS_FILTER		0x20
+#define CLI_SESS_NOFILTER	0x40
 
 struct cli_tunnel_actions {
 	char action;
@@ -273,7 +277,6 @@ struct Tringbuffer
 		char level;
 		sessionidt session;
 		tunnelidt tunnel;
-		ipt address;
 		char message[MAX_LOG_LENGTH];
 	} buffer[RINGBUFFER_SIZE];
 	int head;
@@ -493,8 +496,8 @@ typedef struct
 #define FILTER_PORT_OP_GT	3
 #define FILTER_PORT_OP_LT	4
 #define FILTER_PORT_OP_RANGE	5
-	portt port;
-	portt port2;	// for range
+	portt port;	// port (host byte order)
+	portt port2;	// range
 } ip_filter_portt;
 
 typedef struct
@@ -502,18 +505,21 @@ typedef struct
 	int action;		// permit/deny
 #define FILTER_ACTION_DENY	1
 #define FILTER_ACTION_PERMIT	2
-	int proto;		// protocol: IPPROTO_* (netinet/in.h)
-	ipt src_ip;		// source ip
+	u8 proto;		// protocol: IPPROTO_* (netinet/in.h)
+	ipt src_ip;		// source ip (network byte order)
 	ipt src_wild;
 	ip_filter_portt src_ports;
 	ipt dst_ip;		// dest ip
 	ipt dst_wild;
 	ip_filter_portt dst_ports;
-	u8 tcp_flag_op;		// match type: any, all
-#define FILTER_FLAG_OP_ANY	0
-#define FILTER_FLAG_OP_ALL	1
+	u8 frag;		// apply to non-initial fragments
+	u8 tcp_flag_op;		// match type: any, all, established
+#define FILTER_FLAG_OP_ANY	1
+#define FILTER_FLAG_OP_ALL	2
+#define FILTER_FLAG_OP_EST	3
 	u8 tcp_sflags;		// flags set
 	u8 tcp_cflags;		// flags clear
+	u32 counter;		// match count
 } ip_filter_rulet;
 
 #define TCP_FLAG_FIN	0x01
@@ -569,16 +575,17 @@ void tunnelsend(u8 * buf, u16 l, tunnelidt t);
 void sendipcp(tunnelidt t, sessionidt s);
 void processudp(u8 * buf, int len, struct sockaddr_in *addr);
 void snoop_send_packet(char *packet, u16 size, ipt destination, u16 port);
+int ip_filter(u8 *buf, int len, u8 filter);
 int cmd_show_ipcache(struct cli_def *cli, char *command, char **argv, int argc);
 int cmd_show_hist_idle(struct cli_def *cli, char *command, char **argv, int argc);
 int cmd_show_hist_open(struct cli_def *cli, char *command, char **argv, int argc);
 
 #undef LOG
 #undef LOG_HEX
-#define LOG(D, a, s, t, f, ...)	({ if (D <= config->debug) _log(D, a, s, t, f, ## __VA_ARGS__); })
+#define LOG(D, s, t, f, ...)	({ if (D <= config->debug) _log(D, s, t, f, ## __VA_ARGS__); })
 #define LOG_HEX(D, t, d, s)	({ if (D <= config->debug) _log_hex(D, t, d, s); })
 
-void _log(int level, ipt address, sessionidt s, tunnelidt t, const char *format, ...) __attribute__((format (printf, 5, 6)));
+void _log(int level, sessionidt s, tunnelidt t, const char *format, ...) __attribute__((format (printf, 4, 5)));
 void _log_hex(int level, const char *title, const char *data, int maxsize);
 
 int sessionsetup(tunnelidt t, sessionidt s);
@@ -611,12 +618,12 @@ if (count++ < max) { \
 	void *array[20]; \
 	char **strings; \
 	int size, i; \
-	LOG(0, 0, 0, t, "Backtrace follows"); \
+	LOG(0, 0, t, "Backtrace follows"); \
 	size = backtrace(array, 10); \
 	strings = backtrace_symbols(array, size); \
 	if (strings) for (i = 0; i < size; i++) \
 	{ \
-		LOG(0, 0, 0, t, "%s\n", strings[i]); \
+		LOG(0, 0, t, "%s\n", strings[i]); \
 	} \
 	free(strings); \
 }