1 files changed, 60 insertions, 0 deletions
diff --git a/contrib/ipfilter/lib/printpacket6.c b/contrib/ipfilter/lib/printpacket6.c
new file mode 100644
index 0000000..6363e55
--- /dev/null
+++ b/contrib/ipfilter/lib/printpacket6.c
@@ -0,0 +1,60 @@
+/*	$FreeBSD$	*/
+
+/*
+ * Copyright (C) 2012 by Darren Reed.
+ *
+ * See the IPFILTER.LICENCE file for details on licencing.
+ *
+ * $Id$
+ */
+
+#include "ipf.h"
+
+/*
+ * This is meant to work without the IPv6 header files being present or
+ * the inet_ntop() library.
+ */
+void
+printpacket6(dir, m)
+	int dir;
+	mb_t *m;
+{
+	u_char *buf, p;
+	u_short plen, *addrs;
+	tcphdr_t *tcp;
+	u_32_t flow;
+
+	buf = (u_char *)m->mb_data;
+	tcp = (tcphdr_t *)(buf + 40);
+	p = buf[6];
+	flow = ntohl(*(u_32_t *)buf);
+	flow &= 0xfffff;
+	plen = ntohs(*((u_short *)buf +2));
+	addrs = (u_short *)buf + 4;
+
+	if (dir)
+		PRINTF("> ");
+	else
+		PRINTF("< ");
+
+	PRINTF("%s ", IFNAME(m->mb_ifp));
+
+	PRINTF("ip6/%d %d %#x %d", buf[0] & 0xf, plen, flow, p);
+	PRINTF(" %x:%x:%x:%x:%x:%x:%x:%x",
+		ntohs(addrs[0]), ntohs(addrs[1]), ntohs(addrs[2]),
+		ntohs(addrs[3]), ntohs(addrs[4]), ntohs(addrs[5]),
+		ntohs(addrs[6]), ntohs(addrs[7]));
+	if (plen >= 4)
+		if (p == IPPROTO_TCP || p == IPPROTO_UDP)
+			(void)PRINTF(",%d", ntohs(tcp->th_sport));
+	PRINTF(" >");
+	addrs += 8;
+	PRINTF(" %x:%x:%x:%x:%x:%x:%x:%x",
+		ntohs(addrs[0]), ntohs(addrs[1]), ntohs(addrs[2]),
+		ntohs(addrs[3]), ntohs(addrs[4]), ntohs(addrs[5]),
+		ntohs(addrs[6]), ntohs(addrs[7]));
+	if (plen >= 4)
+		if (p == IPPROTO_TCP || p == IPPROTO_UDP)
+			PRINTF(",%d", ntohs(tcp->th_dport));
+	putchar('\n');
+}