static void exp_dump_tuples(struct nfnl_exp *exp, struct nl_dump_params *p)
{
struct nl_addr *tuple_src, *tuple_dst;
int tuple_sport, tuple_dport;
int i = 0;
char buf[64];
for (i = NFNL_EXP_TUPLE_EXPECT; i < NFNL_EXP_TUPLE_MAX; i++) {
tuple_src = NULL;
tuple_dst = NULL;
tuple_sport = 0;
tuple_dport = 0;
// Test needed for NAT case
if (nfnl_exp_test_src(exp, i))
tuple_src = nfnl_exp_get_src(exp, i);
if (nfnl_exp_test_dst(exp, i))
tuple_dst = nfnl_exp_get_dst(exp, i);
// Don't have tests for individual ports/types/codes/ids,
if (nfnl_exp_test_l4protonum(exp, i)) {
nl_dump(p, "%s ",
nl_ip_proto2str(nfnl_exp_get_l4protonum(exp, i), buf, sizeof(buf)));
}
if (nfnl_exp_test_ports(exp, i)) {
tuple_sport = nfnl_exp_get_src_port(exp, i);
tuple_dport = nfnl_exp_get_dst_port(exp, i);
}
dump_addr(p, tuple_src, tuple_sport);
dump_addr(p, tuple_dst, tuple_dport);
dump_icmp(p, exp, 0);
}
if (nfnl_exp_test_nat_dir(exp))
nl_dump(p, "nat dir %s ", exp->exp_nat_dir);
}
static int nfnl_exp_build_tuple(struct nl_msg *msg, const struct nfnl_exp *exp,
int cta)
{
struct nlattr *tuple, *ip, *proto;
struct nl_addr *addr;
int family;
family = nfnl_exp_get_family(exp);
int type = exp_get_tuple_attr(cta);
if (cta == CTA_EXPECT_NAT)
tuple = nla_nest_start(msg, CTA_EXPECT_NAT_TUPLE);
else
tuple = nla_nest_start(msg, cta);
if (!tuple)
goto nla_put_failure;
ip = nla_nest_start(msg, CTA_TUPLE_IP);
if (!ip)
goto nla_put_failure;
addr = nfnl_exp_get_src(exp, type);
if (addr)
NLA_PUT_ADDR(msg,
family == AF_INET ? CTA_IP_V4_SRC : CTA_IP_V6_SRC,
addr);
addr = nfnl_exp_get_dst(exp, type);
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_exp_test_l4protonum(exp, type))
NLA_PUT_U8(msg, CTA_PROTO_NUM, nfnl_exp_get_l4protonum(exp, type));
if (nfnl_exp_test_ports(exp, type)) {
NLA_PUT_U16(msg, CTA_PROTO_SRC_PORT,
htons(nfnl_exp_get_src_port(exp, type)));
NLA_PUT_U16(msg, CTA_PROTO_DST_PORT,
htons(nfnl_exp_get_dst_port(exp, type)));
}
if (nfnl_exp_test_icmp(exp, type)) {
NLA_PUT_U16(msg, CTA_PROTO_ICMP_ID,
htons(nfnl_exp_get_icmp_id(exp, type)));
NLA_PUT_U8(msg, CTA_PROTO_ICMP_TYPE,
nfnl_exp_get_icmp_type(exp, type));
NLA_PUT_U8(msg, CTA_PROTO_ICMP_CODE,
nfnl_exp_get_icmp_code(exp, type));
}
nla_nest_end(msg, proto);
nla_nest_end(msg, tuple);
return 0;
nla_put_failure:
return -NLE_MSGSIZE;
}