void end_full(void)
{
filtering_destroy();
session_destroy();
bib_destroy();
pool4_destroy();
pool6_destroy();
}
static void end(void)
{
sessiondb_destroy();
bibdb_destroy();
pool6_destroy();
pool4_destroy();
pktqueue_destroy();
config_destroy();
}
static bool init(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(IPV4_ADDRS); i++) {
if (is_error(str_to_addr4(IPV4_ADDRS[i], &addr4[i].l3)))
return false;
addr4[i].l4 = IPV4_PORTS[i];
}
for (i = 0; i < ARRAY_SIZE(IPV4_ADDRS); i++) {
if (is_error(str_to_addr6(IPV6_ADDRS[i], &addr6[i].l3)))
return false;
addr6[i].l4 = IPV6_PORTS[i];
}
if (is_error(config_init(false)))
goto config_fail;
if (is_error(pktqueue_init()))
goto pktqueue_fail;
if (is_error(pool4_init(NULL, 0)))
goto pool4_fail;
if (is_error(pool6_init(NULL, 0)))
goto pool6_fail;
if (is_error(bibdb_init()))
goto bib_fail;
if (is_error(sessiondb_init()))
goto session_fail;
return true;
session_fail:
bibdb_destroy();
bib_fail:
pool6_destroy();
pool6_fail:
pool4_destroy();
pool4_fail:
pktqueue_destroy();
pktqueue_fail:
config_destroy();
config_fail:
return false;
}
bool test_extract_ipv4_from_ipv6( void )
{
struct in6_addr addr6;
struct in_addr extracted4;
struct in_addr correct4;
bool success = true;
if (pool6_init(NULL, 0) != 0)
return false;
success &= str_to_addr6_verbose(IPV6_EXTRACT_ADDR, &addr6);
success &= str_to_addr4_verbose(IPV4_EXTRACTED_ADDR, &correct4);
success &= assert_true(extract_ipv4(&addr6, &extracted4),
"Check that an IPv4 address can be extracted from an IPv6 address.");
success &= assert_equals_ipv4(&extracted4, &correct4,
"Assert that the extraction of the IPv4 address was correct.");
pool6_destroy();
return success;
}
bool test_allocate_ipv4_transport_address( void )
{
u_int8_t protocols[] = { IPPROTO_ICMP, IPPROTO_TCP, IPPROTO_UDP };
__u16 expected_ports[] = { IPV6_ALLOCATE_PORT, IPV6_ALLOCATE_PORT, IPV6_ALLOCATE_PORT };
struct in_addr expected_addr;
struct tuple tuple;
struct ipv4_tuple_address new_ipv4_transport_address;
bool success = true;
int i;
success &= pool6_init();
success &= pool4_init(true);
success &= bib_init();
success &= str_to_addr4_verbose(IPV4_ALLOCATED_ADDR, &expected_addr);
success &= inject_bib_entry( IPPROTO_ICMP );
success &= inject_bib_entry( IPPROTO_TCP );
success &= inject_bib_entry( IPPROTO_UDP );
if (!success)
return false;
for (i = 0; i < ARRAY_SIZE(protocols); i++)
{
init_tuple_for_test_ipv6(&tuple, protocols[i]);
success &= assert_true(allocate_ipv4_transport_address(&tuple, protocols[i], &new_ipv4_transport_address),
"Check that we can allocate a brand new IPv4 transport address.");
success &= assert_equals_ipv4(&expected_addr , &new_ipv4_transport_address.address,
"Check that the allocated IPv4 address is correct.");
success &= assert_equals_u16( expected_ports[i], new_ipv4_transport_address.l4_id,
"Check that the allocated IPv4 port is correct.");
}
bib_destroy();
pool4_destroy();
pool6_destroy();
return success;
}
static void __exit nat64_exit(void)
{
/* Release the hook. */
nf_unregister_hooks(nfho, ARRAY_SIZE(nfho));
/* Deinitialize the submodules. */
#ifdef BENCHMARK
logtime_destroy();
#endif
sendpkt_destroy();
translate_packet_destroy();
filtering_destroy();
fragdb_destroy();
sessiondb_destroy();
bibdb_destroy();
pktqueue_destroy();
pool4_destroy();
pool6_destroy();
config_destroy();
log_info(MODULE_NAME " module removed.");
}
bool init_full(void)
{
char *prefixes[] = { "3::/96" };
int error;
error = config_init(false);
if (error)
goto config_fail;
error = pool6_init(prefixes, ARRAY_SIZE(prefixes));
if (error)
goto pool6_fail;
error = pool4_init(NULL, 0);
if (error)
goto pool4_fail;
error = pktqueue_init();
if (error)
goto pktqueue_fail;
error = bibdb_init();
if (error)
goto bibdb_fail;
error = sessiondb_init();
if (error)
goto sessiondb_fail;
return true;
sessiondb_fail:
bibdb_destroy();
bibdb_fail:
pktqueue_destroy();
pktqueue_fail:
pool4_destroy();
pool4_fail:
pool6_destroy();
pool6_fail:
config_destroy();
config_fail:
return false;
}
bool test_embed_ipv4_in_ipv6( void )
{
struct in_addr embeddable4;
struct in6_addr embed6;
struct in6_addr embedded6;
bool success = true;
if (!pool6_init())
return false;
if (!str_to_addr4_verbose(IPV4_EMBEDDABLE_ADDR, &embeddable4))
return false;
if (!str_to_addr6_verbose(IPV6_EMBEDDED_ADDR, &embedded6))
return false;
success &= assert_true(append_ipv4( &embeddable4, &embed6 ) ,
"Check that we can embed an IPv4 address inside of an IPv6 address correctly.");
success &= assert_equals_ipv6( &embed6 , &embedded6 ,
"Verify that the IPv4 was embedded into a IPv6 address is correct.");
pool6_destroy();
return success;
}
void end_pool6_only(void)
{
pool6_destroy();
}
/**
* Frees from memory the stuff we created during init().
*/
static void cleanup(void)
{
bib_destroy();
pool6_destroy();
}
static int __init nat64_init(void)
{
int error;
log_debug("%s", banner);
log_debug("Inserting the module...");
/* Init Jool's submodules. */
error = config_init();
if (error)
goto config_failure;
error = pool6_init(pool6, pool6_size);
if (error)
goto pool6_failure;
error = pool4_init(pool4, pool4_size);
if (error)
goto pool4_failure;
error = pktqueue_init();
if (error)
goto pktqueue_failure;
error = bibdb_init();
if (error)
goto bib_failure;
error = sessiondb_init();
if (error)
goto session_failure;
error = fragdb_init();
if (error)
goto fragdb_failure;
error = filtering_init();
if (error)
goto filtering_failure;
error = translate_packet_init();
if (error)
goto translate_packet_failure;
error = sendpkt_init();
if (error)
goto sendpkt_failure;
#ifdef BENCHMARK
error = logtime_init();
if (error)
goto log_time_failure;
#endif
/* Hook Jool to Netfilter. */
error = nf_register_hooks(nfho, ARRAY_SIZE(nfho));
if (error)
goto nf_register_hooks_failure;
/* Yay */
log_info(MODULE_NAME " module inserted.");
return error;
nf_register_hooks_failure:
#ifdef BENCHMARK
logtime_destroy();
log_time_failure:
#endif
sendpkt_destroy();
sendpkt_failure:
translate_packet_destroy();
translate_packet_failure:
filtering_destroy();
filtering_failure:
fragdb_destroy();
fragdb_failure:
sessiondb_destroy();
session_failure:
bibdb_destroy();
bib_failure:
pktqueue_destroy();
pktqueue_failure:
pool4_destroy();
pool4_failure:
pool6_destroy();
pool6_failure:
config_destroy();
config_failure:
return error;
}
