Index: iptables-save.c
===================================================================
RCS file: /cvspublic/iptables/iptables-save.c,v
retrieving revision 1.27
diff -u -r1.27 iptables-save.c
--- iptables-save.c	21 Feb 2004 09:20:34 -0000	1.27
+++ iptables-save.c	18 Mar 2004 18:53:54 -0000
@@ -62,36 +62,18 @@
 	printf(" ");
 }
 
-/* These are hardcoded backups in iptables.c, so they are safe */
-struct pprot {
-	char *name;
-	u_int8_t num;
-};
-
-/* FIXME: why don't we use /etc/protocols ? */
-static const struct pprot chain_protos[] = {
-	{ "tcp", IPPROTO_TCP },
-	{ "udp", IPPROTO_UDP },
-	{ "icmp", IPPROTO_ICMP },
-	{ "esp", IPPROTO_ESP },
-	{ "ah", IPPROTO_AH },
-	{ "sctp", IPPROTO_SCTP },
-};
-
 static void print_proto(u_int16_t proto, int invert)
 {
 	if (proto) {
-		unsigned int i;
 		const char *invertstr = invert ? "! " : "";
 
-		for (i = 0; i < sizeof(chain_protos)/sizeof(struct pprot); i++)
-			if (chain_protos[i].num == proto) {
-				printf("-p %s%s ",
-				       invertstr, chain_protos[i].name);
-				return;
-			}
-
-		printf("-p %s%u ", invertstr, proto);
+		struct protoent* pent = getprotobynumber(proto)
+		if (proto) {
+			printf("-p %s%s ", invertstr, pent->p_name);
+		}
+		else {
+			printf("-p %s%u", invertstr, proto);
+		}
 	}
 }