C++ (Cpp) nfnl_ct_test_src_port Examples

Example #1

File: ct_obj.c Project: Distrotech/libnl

static void ct_dump_tuples(struct nfnl_ct *ct, struct nl_dump_params *p)
{
	struct nl_addr *orig_src, *orig_dst, *reply_src, *reply_dst;
	int orig_sport = 0, orig_dport = 0, reply_sport = 0, reply_dport = 0;
	int sync = 0;

	orig_src = nfnl_ct_get_src(ct, 0);
	orig_dst = nfnl_ct_get_dst(ct, 0);
	reply_src = nfnl_ct_get_src(ct, 1);
	reply_dst = nfnl_ct_get_dst(ct, 1);

	if (nfnl_ct_test_src_port(ct, 0))
		orig_sport = nfnl_ct_get_src_port(ct, 0);

	if (nfnl_ct_test_dst_port(ct, 0))
		orig_dport = nfnl_ct_get_dst_port(ct, 0);

	if (nfnl_ct_test_src_port(ct, 1))
		reply_sport = nfnl_ct_get_src_port(ct, 1);

	if (nfnl_ct_test_dst_port(ct, 1))
		reply_dport = nfnl_ct_get_dst_port(ct, 1);

	if (orig_src && orig_dst && reply_src && reply_dst &&
	    orig_sport == reply_dport && orig_dport == reply_sport &&
	    !nl_addr_cmp(orig_src, reply_dst) &&
	    !nl_addr_cmp(orig_dst, reply_src))
		sync = 1;

	dump_addr(p, orig_src, orig_sport);
	nl_dump(p, sync ? "<-> " : "-> ");
	dump_addr(p, orig_dst, orig_dport);
	dump_icmp(p, ct, 0);

	if (!sync) {
		dump_addr(p, reply_src, reply_sport);
		nl_dump(p, "<- ");
		dump_addr(p, reply_dst, reply_dport);
		dump_icmp(p, ct, 1);
	}
}

Example #2

File: ct.c Project: DedulyaOtmoroz/libnl

static int nfnl_ct_build_tuple(struct nl_msg *msg, const struct nfnl_ct *ct,
			       int repl)
{
	struct nlattr *tuple, *ip, *proto;
	struct nl_addr *addr;
	int family;

	family = nfnl_ct_get_family(ct);

	tuple = nla_nest_start(msg, repl ? CTA_TUPLE_REPLY : CTA_TUPLE_ORIG);
	if (!tuple)
		goto nla_put_failure;

	ip = nla_nest_start(msg, CTA_TUPLE_IP);
	if (!ip)
		goto nla_put_failure;

	addr = nfnl_ct_get_src(ct, repl);
	if (addr)
		NLA_PUT_ADDR(msg,
			     family == AF_INET ? CTA_IP_V4_SRC : CTA_IP_V6_SRC,
			     addr);

	addr = nfnl_ct_get_dst(ct, repl);
	if (addr)
		NLA_PUT_ADDR(msg,
			     family == AF_INET ? CTA_IP_V4_DST : CTA_IP_V6_DST,
			     addr);

	nla_nest_end(msg, ip);

	proto = nla_nest_start(msg, CTA_TUPLE_PROTO);
	if (!proto)
		goto nla_put_failure;

	if (nfnl_ct_test_proto(ct))
		NLA_PUT_U8(msg, CTA_PROTO_NUM, nfnl_ct_get_proto(ct));

	if (nfnl_ct_test_src_port(ct, repl))
		NLA_PUT_U16(msg, CTA_PROTO_SRC_PORT,
			htons(nfnl_ct_get_src_port(ct, repl)));

	if (nfnl_ct_test_dst_port(ct, repl))
		NLA_PUT_U16(msg, CTA_PROTO_DST_PORT,
			htons(nfnl_ct_get_dst_port(ct, repl)));

	if (family == AF_INET) {
		if (nfnl_ct_test_icmp_id(ct, repl))
			NLA_PUT_U16(msg, CTA_PROTO_ICMP_ID,
						htons(nfnl_ct_get_icmp_id(ct, repl)));

		if (nfnl_ct_test_icmp_type(ct, repl))
			NLA_PUT_U8(msg, CTA_PROTO_ICMP_TYPE,
					   nfnl_ct_get_icmp_type(ct, repl));

		if (nfnl_ct_test_icmp_code(ct, repl))
			NLA_PUT_U8(msg, CTA_PROTO_ICMP_CODE,
					   nfnl_ct_get_icmp_code(ct, repl));
	} else if (family == AF_INET6) {
		if (nfnl_ct_test_icmp_id(ct, repl))
			NLA_PUT_U16(msg, CTA_PROTO_ICMPV6_ID,
						htons(nfnl_ct_get_icmp_id(ct, repl)));

		if (nfnl_ct_test_icmp_type(ct, repl))
			NLA_PUT_U8(msg, CTA_PROTO_ICMPV6_TYPE,
					   nfnl_ct_get_icmp_type(ct, repl));

		if (nfnl_ct_test_icmp_code(ct, repl))
			NLA_PUT_U8(msg, CTA_PROTO_ICMPV6_CODE,
					   nfnl_ct_get_icmp_code(ct, repl));
	}

	nla_nest_end(msg, proto);

	nla_nest_end(msg, tuple);
	return 0;

nla_put_failure:
	return -NLE_MSGSIZE;
}