static bool test_icmp(void)
{
struct xlation state;
struct sk_buff *skb;
bool success = true;
xlation_init(&state, &jool);
log_debug("== IPv4 packet attempts to be translated without state ==");
if (create_skb4_icmp_info("0.0.0.4", "192.0.2.128", 1024, 16, 32, &skb))
return false;
if (pkt_init_ipv4(&state, skb))
return false;
if (determine_in_tuple(&state) != VERDICT_CONTINUE)
return false;
success &= ASSERT_VERDICT(UNTRANSLATABLE, ipv4_simple(&state), "result 1");
success &= assert_bib_count(0, L4PROTO_ICMP);
success &= assert_session_count(0, L4PROTO_ICMP);
kfree_skb(skb);
log_debug("== IPv6 packet and gets translated correctly ==");
if (create_skb6_icmp_info("1::2", "3::4", 1212, 16, 32, &skb))
return false;
if (pkt_init_ipv6(&state, skb))
return false;
if (determine_in_tuple(&state) != VERDICT_CONTINUE)
return false;
success &= ASSERT_VERDICT(CONTINUE, ipv6_simple(&state), "result 2");
success &= assert_bib_count(1, L4PROTO_ICMP);
success &= assert_bib_exists("1::2", 1212, "192.0.2.128", 1024, L4PROTO_ICMP, 1);
success &= assert_session_count(1, L4PROTO_ICMP);
success &= assert_session_exists("1::2", 1212, "3::4", 1212,
"192.0.2.128", 1024, "0.0.0.4", 1024,
L4PROTO_ICMP, ESTABLISHED,
SESSION_TIMER_EST, ICMP_DEFAULT);
kfree_skb(skb);
log_debug("== Now that there's state, the IPv4 packet manages to traverse ==");
if (!invert_packet(&state, &skb))
return false;
success &= ASSERT_VERDICT(CONTINUE, ipv4_simple(&state), "result 3");
success &= assert_bib_count(1, L4PROTO_ICMP);
success &= assert_bib_exists("1::2", 1212, "192.0.2.128", 1024, L4PROTO_ICMP, 1);
success &= assert_session_count(1, L4PROTO_ICMP);
success &= assert_session_exists("1::2", 1212, "3::4", 1212,
"192.0.2.128", 1024, "0.0.0.4", 1024,
L4PROTO_ICMP, ESTABLISHED,
SESSION_TIMER_EST, ICMP_DEFAULT);
kfree_skb(skb);
return success;
}
static bool test_icmp(void)
{
struct tuple tuple6;
struct sk_buff *skb;
bool success = true;
if (is_error(init_ipv6_tuple(&tuple6,
CLIENT_ADDR, CLIENT_PORT,
SERVER_HAIRPIN_ADDR, SERVER_PORT6,
L4PROTO_ICMP)))
return false;
if (is_error(create_skb6_icmp_info(&tuple6, &skb, 100, 32)))
return false;
set_sent_skb(NULL);
success &= assert_equals_int(NF_DROP, core_6to4(skb), "Request result");
success &= assert_null(get_sent_skb(), "Sent SKB");
return success;
}
