From: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Date: Mon, 5 Nov 2012 16:01:41 +0000 (+0100)
Subject: Support protocol numbers as well, not only protocol names
X-Git-Tag: v6.15~8
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=355e5495bc3d0d6c90a2dde2f61f35e1a9125a3a;p=ipset

Support protocol numbers as well, not only protocol names
---

diff --git a/lib/parse.c b/lib/parse.c
index 65fddd4..af2168e 100644
--- a/lib/parse.c
+++ b/lib/parse.c
@@ -440,9 +440,15 @@ ipset_parse_proto(struct ipset_session *session,
 
 	protoent = getprotobyname(strcasecmp(str, "icmpv6") == 0
 				  ? "ipv6-icmp" : str);
-	if (protoent == NULL)
-		return syntax_err("cannot parse '%s' "
-				  "as a protocol name", str);
+	if (protoent == NULL) {
+		uint8_t protonum;
+		int err;
+
+		if (!((err = string_to_u8(session, str, &protonum) == 0) &&
+		      (protoent = getprotobynumber(protonum)) != NULL))
+			return syntax_err("cannot parse '%s' "
+					  "as a protocol", str);
+	}
 	proto = protoent->p_proto;
 	if (!proto)
 		return syntax_err("Unsupported protocol '%s'", str);