From cdc8744396470397dcbb9b50dc197526c4cb834c Mon Sep 17 00:00:00 2001
From: "/C=EU/ST=EU/CN=Pablo Neira Ayuso/emailAddress=pablo@netfilter.org"
 </C=EU/ST=EU/CN=Pablo Neira Ayuso/emailAddress=pablo@netfilter.org>
Date: Sun, 13 Jan 2008 17:17:11 +0000
Subject: Several tree reorganizations: - move l3extensions/ and extensions/ to
 src/deprecated/ - don't create submodules under
 /usr/lib/libnetfilter_conntrack/ anymore

---
 .../l3extensions/libnetfilter_conntrack_ipv6.c     | 115 +++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 src/deprecated/l3extensions/libnetfilter_conntrack_ipv6.c

(limited to 'src/deprecated/l3extensions/libnetfilter_conntrack_ipv6.c')

diff --git a/src/deprecated/l3extensions/libnetfilter_conntrack_ipv6.c b/src/deprecated/l3extensions/libnetfilter_conntrack_ipv6.c
new file mode 100644
index 0000000..b0c7a3f
--- /dev/null
+++ b/src/deprecated/l3extensions/libnetfilter_conntrack_ipv6.c
@@ -0,0 +1,115 @@
+/*
+ * (C) 2005 by Pablo Neira Ayuso <pablo@netfilter.org>
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+#include <stdio.h>
+#include <getopt.h>
+#include <stdlib.h>
+#include <string.h>
+#include <netinet/in.h> /* For htons */
+#include <arpa/inet.h>
+#include <libnetfilter_conntrack/linux_nfnetlink_conntrack.h>
+#include <libnetfilter_conntrack/libnetfilter_conntrack.h>
+#include <libnetfilter_conntrack/libnetfilter_conntrack_l3extensions.h>
+#include <libnetfilter_conntrack/libnetfilter_conntrack_ipv6.h>
+
+#ifndef HAVE_INET_NTOP_IPV6
+#warning "inet_ntop does not support IPv6"
+#endif
+
+static void parse_proto(struct nfattr *cda[], struct nfct_tuple *tuple)
+{
+	if (cda[CTA_IP_V6_SRC-1])
+		memcpy(tuple->src.v6, NFA_DATA(cda[CTA_IP_V6_SRC-1]), 
+		       sizeof(u_int32_t)*4);
+
+	if (cda[CTA_IP_V6_DST-1])
+		memcpy(tuple->dst.v6, NFA_DATA(cda[CTA_IP_V6_DST-1]),
+		       sizeof(u_int32_t)*4);
+}
+
+static void build_tuple_proto(struct nfnlhdr *req, int size,
+                              struct nfct_tuple *t)
+{
+	nfnl_addattr_l(&req->nlh, size, CTA_IP_V6_SRC, &t->src.v6,
+		       sizeof(u_int32_t)*4);
+	nfnl_addattr_l(&req->nlh, size, CTA_IP_V6_DST, &t->dst.v6,
+		       sizeof(u_int32_t)*4);
+}
+
+static int print_proto(char *buf, struct nfct_tuple *tuple)
+{
+	struct in6_addr src;
+	struct in6_addr dst;
+	char tmp[INET6_ADDRSTRLEN];
+	int size;
+
+	memcpy(&src.in6_u, tuple->src.v6, sizeof(struct in6_addr));
+	memcpy(&dst.in6_u, tuple->dst.v6, sizeof(struct in6_addr));
+
+	if (!inet_ntop(AF_INET6, &src, tmp, sizeof(tmp)))
+		return 0;
+	size = sprintf(buf, "src=%s ", tmp);
+	if (!inet_ntop(AF_INET6, &dst, tmp, sizeof(tmp)))
+		return 0;
+	size += sprintf(buf + size, "dst=%s ", tmp);
+
+	return size;
+}
+
+static int compare(struct nfct_conntrack *ct1,
+		   struct nfct_conntrack *ct2,
+		   unsigned int flags)
+{
+	if (flags & IPV6_ORIG)
+		if (ct1->tuple[NFCT_DIR_ORIGINAL].l3protonum !=
+		    ct2->tuple[NFCT_DIR_ORIGINAL].l3protonum)
+			return 0;
+	if (flags & IPV6_REPL)
+		if (ct1->tuple[NFCT_DIR_REPLY].l3protonum !=
+		    ct2->tuple[NFCT_DIR_REPLY].l3protonum)
+			return 0;
+	if (flags & IPV6_ORIG_SRC)
+		if (memcmp(ct1->tuple[NFCT_DIR_ORIGINAL].src.v6,
+			   ct2->tuple[NFCT_DIR_ORIGINAL].src.v6,
+			   sizeof(u_int32_t)*4) == 0)
+			return 0;
+	if (flags & IPV6_ORIG_DST)
+		if (memcmp(ct1->tuple[NFCT_DIR_ORIGINAL].dst.v6,
+			   ct2->tuple[NFCT_DIR_ORIGINAL].dst.v6,
+			   sizeof(u_int32_t)*4) == 0)
+			return 0;
+	if (flags & IPV6_REPL_SRC)
+		if (memcmp(ct1->tuple[NFCT_DIR_REPLY].src.v6,
+			   ct2->tuple[NFCT_DIR_REPLY].src.v6,
+			   sizeof(u_int32_t)*4) == 0)
+			return 0;
+	if (flags & IPV6_REPL_DST)
+		if (memcmp(ct1->tuple[NFCT_DIR_REPLY].dst.v6,
+			   ct2->tuple[NFCT_DIR_REPLY].dst.v6,
+			   sizeof(u_int32_t)*4) == 0)
+			return 0;
+
+	return 1;
+}
+
+static struct nfct_l3proto ipv6 = {
+	.name			= "ipv6",
+	.protonum		= AF_INET6,
+	.parse_proto		= parse_proto,
+	.build_tuple_proto	= build_tuple_proto,
+	.print_proto		= print_proto,
+	.compare		= compare,
+	.version		= VERSION
+};
+
+static void __attribute__ ((constructor)) init(void);
+
+static void init(void)
+{
+        nfct_register_l3proto(&ipv6);
+}
-- 
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