Add a cli_bind_address configuration option.

Signed-off-by: Benjamin Cama <benoar@dolka.fr>

cli.c

@@ -283,6 +283,7 @@ void init_cli(char *hostname)
 		fcntl(clifd, F_SETFL, flags | O_NONBLOCK);
 	}
 	addr.sin_family = AF_INET;
+	addr.sin_addr.s_addr = config->cli_bind_address; /* defaults to INADDR_ANY */
 	addr.sin_port = htons(23);
 	if (bind(clifd, (void *) &addr, sizeof(addr)) < 0)
 	{

etc/startup-config.default

@@ -53,6 +53,9 @@ set accounting_dir "/var/run/l2tpns/acct"
 # Listen address for L2TP
 #set bind_address 1.1.1.1
 
+# Listen address for CLI
+#set cli_bind_address 1.1.1.1
+
 # Send a gratiuitous ARP for bind address
 #set send_garp no
 

l2tpns.c

@@ -157,6 +157,7 @@ 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("cli_bind_address", cli_bind_address, IPv4),
 	{ NULL, 0, 0, 0 },
 };
 

l2tpns.h

@@ -712,6 +712,7 @@ typedef struct
 
 	int		cluster_master_min_adv;		// Master advertises routes while the number of up to date
 							// slaves is less than this value.
+	in_addr_t	cli_bind_address;		// bind address for CLI
 	// Guest change
 	char            guest_user[MAXUSER];            // Guest account username