/* Compatible with /proc/net/nf_conntrack */
static void ct_dump_line(struct nl_object *a, struct nl_dump_params *p)
{
struct nfnl_ct *ct = (struct nfnl_ct *) a;
char buf[64];
nl_new_line(p);
if (nfnl_ct_test_proto(ct))
nl_dump(p, "%s ",
nl_ip_proto2str(nfnl_ct_get_proto(ct), buf, sizeof(buf)));
if (nfnl_ct_test_tcp_state(ct))
nl_dump(p, "%s ",
nfnl_ct_tcp_state2str(nfnl_ct_get_tcp_state(ct),
buf, sizeof(buf)));
ct_dump_tuples(ct, p);
if (nfnl_ct_test_mark(ct) && nfnl_ct_get_mark(ct))
nl_dump(p, "mark %u ", nfnl_ct_get_mark(ct));
if (nfnl_ct_test_zone(ct))
nl_dump(p, "zone %hu ", nfnl_ct_get_zone(ct));
if (nfnl_ct_test_timestamp(ct)) {
const struct nfnl_ct_timestamp *tstamp = nfnl_ct_get_timestamp(ct);
int64_t delta_time = tstamp->stop - tstamp->start;
if (delta_time > 0)
delta_time /= NSEC_PER_SEC;
else
delta_time = 0;
nl_dump(p, "delta-time %llu ", delta_time);
}
nl_dump(p, "\n");
}
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;
}