1 files changed, 66 insertions, 0 deletions
diff --git a/lib/icmpv6.c b/lib/icmpv6.c
new file mode 100644
index 0000000..c32a6a4
--- /dev/null
+++ b/lib/icmpv6.c
@@ -0,0 +1,66 @@
+/* Copyright 2007-2010 Jozsef Kadlecsik (kadlec@blackhole.kfki.hu)
+ *
+ * This program is free software; you can redistribute it and/or modify   
+ * it under the terms of the GNU General Public License version 2 as 
+ * published by the Free Software Foundation.
+ */
+#include <libipset/utils.h>			/* STRNEQ */
+#include <libipset/icmpv6.h>			/* prototypes */
+
+struct icmpv6_names {
+	const char *name;
+	uint8_t type, code;
+};
+
+static const struct icmpv6_names icmpv6_typecodes[] = {
+	{ "no-route", 1, 0 },
+	{ "communication-prohibited", 1, 1 },
+	{ "address-unreachable", 1, 3 },
+	{ "port-unreachable", 1, 4 },
+	{ "packet-too-big", 2, 0 },
+	{ "ttl-zero-during-transit", 3, 0 },
+	{ "ttl-zero-during-reassembly", 3, 1 },
+	{ "bad-header", 4, 0 },
+	{ "unknown-header-type", 4, 1 },
+	{ "unknown-option", 4, 2 },
+	{ "echo-request", 128, 0 },
+	{ "ping", 128, 0 },
+	{ "echo-reply", 129, 0 },
+	{ "pong", 129, 0 },
+	{ "router-solicitation", 133, 0 },
+	{ "router-advertisement", 134, 0 },
+	{ "neighbour-solicitation", 135, 0 },
+	{ "neigbour-solicitation", 135, 0 },
+	{ "neighbour-advertisement", 136, 0 },
+	{ "neigbour-advertisement", 136, 0 },
+	{ "redirect", 137, 0 },
+};
+
+const char * id_to_icmpv6(uint8_t id)
+{
+	return id < ARRAY_SIZE(icmpv6_typecodes) ? icmpv6_typecodes[id].name : NULL;
+}
+
+const char * icmpv6_to_name(uint8_t type, uint8_t code)
+{
+	unsigned int i;
+	
+	for (i = 0; i < ARRAY_SIZE(icmpv6_typecodes); i++)
+		if (icmpv6_typecodes[i].type == type && icmpv6_typecodes[i].code == code)
+			return icmpv6_typecodes[i].name;
+	
+	return NULL;
+}
+
+int name_to_icmpv6(const char *str, uint16_t *typecode)
+{
+	unsigned int i;
+
+	for (i = 0; i < ARRAY_SIZE(icmpv6_typecodes); i++)
+		if (STRNEQ(icmpv6_typecodes[i].name, str, strlen(str))) {
+			*typecode = (icmpv6_typecodes[i].type << 8) | icmpv6_typecodes[i].code;
+			return 0;
+		}
+	
+	return -1;
+}