Fix in ip_equal, plus testing code which led to that fix...

network.c:
- use the correct macro for IPv4-in-IPv6 test

network_test.c:
- bunch of tests for addr_resolve() and ip_equal()
This commit is contained in:
Coren[m] 2013-09-15 23:39:09 +02:00
parent decdb7aa8c
commit ee1cc34d55
3 changed files with 174 additions and 4 deletions

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@ -1,8 +1,8 @@
if BUILD_TESTS
TESTS = messenger_autotest crypto_test
TESTS = messenger_autotest crypto_test network_test
check_PROGRAMS = messenger_autotest crypto_test
check_PROGRAMS = messenger_autotest crypto_test network_test
messenger_autotest_SOURCES = \
../auto_tests/messenger_test.c
@ -34,6 +34,22 @@ crypto_test_LDADD = $(LIBSODIUM_LDFLAGS) \
$(NACL_LIBS) \
$(CHECK_LIBS)
network_test_SOURCES = \
../auto_tests/network_test.c
network_test_CFLAGS = \
$(LIBSODIUM_CFLAGS) \
$(NACL_CFLAGS) \
$(CHECK_CFLAGS)
network_test_LDADD = \
$(LIBSODIUM_LDFLAGS) \
$(NACL_LDFLAGS) \
libtoxcore.la \
$(LIBSODIUM_LIBS) \
$(NACL_LIBS) \
$(CHECK_LIBS)
endif
EXTRA_DIST += $(top_srcdir)/auto_tests/friends_test.c

154
auto_tests/network_test.c Normal file
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@ -0,0 +1,154 @@
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/types.h>
#include <stdint.h>
#include <string.h>
#include <check.h>
#include <stdlib.h>
#include <time.h>
#include "../toxcore/network.h"
START_TEST(test_addr_resolv_localhost)
{
#ifdef __CYGWIN__
/* force initialization of network stack
* normally this should happen automatically
* cygwin doesn't do it for every network related function though
* e.g. not for getaddrinfo... */
socket(0, 0, 0);
errno = 0;
#endif
const char localhost[] = "localhost";
IP ip;
ip_init(&ip, 0);
int res = addr_resolve(localhost, &ip, NULL);
ck_assert_msg(res > 0, "Resolver failed: %u, %s (%x, %x)", errno, strerror(errno));
if (res > 0) {
ck_assert_msg(ip.family == AF_INET, "Expected family AF_INET, got %u.", ip.family);
ck_assert_msg(ip.ip4.uint32 == htonl(0x7F000001), "Expected 127.0.0.1, got %s.", inet_ntoa(ip.ip4.in_addr));
}
ip_init(&ip, 1);
res = addr_resolve(localhost, &ip, NULL);
ck_assert_msg(res > 0, "Resolver failed: %u, %s (%x, %x)", errno, strerror(errno));
if (res > 0) {
ck_assert_msg(ip.family == AF_INET6, "Expected family AF_INET6, got %u.", ip.family);
ck_assert_msg(!memcmp(&ip.ip6, &in6addr_loopback, sizeof(IP6)), "Expected ::1, got %s.", ip_ntoa(&ip));
}
ip_init(&ip, 1);
ip.family = AF_UNSPEC;
IP extra;
ip_reset(&extra);
res = addr_resolve(localhost, &ip, &extra);
ck_assert_msg(res > 0, "Resolver failed: %u, %s (%x, %x)", errno, strerror(errno));
if (res > 0) {
ck_assert_msg(ip.family == AF_INET6, "Expected family AF_INET6, got %u.", ip.family);
ck_assert_msg(!memcmp(&ip.ip6, &in6addr_loopback, sizeof(IP6)), "Expected ::1, got %s.", ip_ntoa(&ip));
ck_assert_msg(extra.family == AF_INET, "Expected family AF_INET, got %u.", extra.family);
ck_assert_msg(extra.ip4.uint32 == htonl(0x7F000001), "Expected 127.0.0.1, got %s.", inet_ntoa(extra.ip4.in_addr));
}
}
END_TEST
START_TEST(test_ip_equal)
{
int res;
IP ip1, ip2;
ip_reset(&ip1);
ip_reset(&ip2);
res = ip_equal(NULL, NULL);
ck_assert_msg(res == 0, "ip_equal(NULL, NULL): expected result 0, got %u.", res);
res = ip_equal(&ip1, NULL);
ck_assert_msg(res == 0, "ip_equal(PTR, NULL): expected result 0, got %u.", res);
res = ip_equal(NULL, &ip1);
ck_assert_msg(res == 0, "ip_equal(NULL, PTR): expected result 0, got %u.", res);
ip1.family = AF_INET;
ip1.ip4.uint32 = htonl(0x7F000001);
res = ip_equal(&ip1, &ip2);
ck_assert_msg(res == 0, "ip_equal( {AF_INET, 127.0.0.1}, {AF_UNSPEC, 0} ): expected result 0, got %u.", res);
ip2.family = AF_INET;
ip2.ip4.uint32 = htonl(0x7F000001);
res = ip_equal(&ip1, &ip2);
ck_assert_msg(res != 0, "ip_equal( {AF_INET, 127.0.0.1}, {AF_INET, 127.0.0.1} ): expected result != 0, got 0.");
ip2.ip4.uint32 = htonl(0x7F000002);
res = ip_equal(&ip1, &ip2);
ck_assert_msg(res == 0, "ip_equal( {AF_INET, 127.0.0.1}, {AF_INET, 127.0.0.2} ): expected result 0, got %u.", res);
ip2.family = AF_INET6;
ip2.ip6.uint32[0] = 0;
ip2.ip6.uint32[1] = 0;
ip2.ip6.uint32[2] = htonl(0xFFFF);
ip2.ip6.uint32[3] = htonl(0x7F000001);
ck_assert_msg(IN6_IS_ADDR_V4MAPPED(&ip2.ip6) != 0, "IN6_IS_ADDR_V4MAPPED(::ffff:127.0.0.1): expected != 0, got 0.");
res = ip_equal(&ip1, &ip2);
ck_assert_msg(res != 0, "ip_equal( {AF_INET, 127.0.0.1}, {AF_INET6, ::ffff:127.0.0.1} ): expected result != 0, got 0.");
memcpy(&ip2.ip6, &in6addr_loopback, sizeof(IP6));
res = ip_equal(&ip1, &ip2);
ck_assert_msg(res == 0, "ip_equal( {AF_INET, 127.0.0.1}, {AF_INET6, ::1} ): expected result 0, got %u.", res);
memcpy(&ip1, &ip2, sizeof(IP));
res = ip_equal(&ip1, &ip2);
ck_assert_msg(res != 0, "ip_equal( {AF_INET6, ::1}, {AF_INET6, ::1} ): expected result != 0, got 0.");
ip2.ip6.uint8[15]++;
res = ip_equal(&ip1, &ip2);
ck_assert_msg(res == 0, "ip_equal( {AF_INET6, ::1}, {AF_INET6, ::2} ): expected result 0, got %res.", res);
}
END_TEST
#define DEFTESTCASE(NAME) \
TCase *NAME = tcase_create(#NAME); \
tcase_add_test(NAME, test_##NAME); \
suite_add_tcase(s, NAME);
Suite *network_suite(void)
{
Suite *s = suite_create("Network");
DEFTESTCASE(addr_resolv_localhost);
DEFTESTCASE(ip_equal);
return s;
}
int main(int argc, char *argv[])
{
srand((unsigned int) time(NULL));
Suite *network = network_suite();
SRunner *test_runner = srunner_create(network);
int number_failed = 0;
srunner_run_all(test_runner, CK_NORMAL);
number_failed = srunner_ntests_failed(test_runner);
srunner_free(test_runner);
return number_failed;
}

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@ -518,10 +518,10 @@ int ip_equal(IP *a, IP *b)
/* different family: check on the IPv6 one if it is the IPv4 one embedded */
if ((a->family == AF_INET) && (b->family == AF_INET6)) {
if (IN6_IS_ADDR_V4COMPAT(&b->ip6.in6_addr))
if (IN6_IS_ADDR_V4MAPPED(&b->ip6.in6_addr))
return (a->ip4.in_addr.s_addr == b->ip6.uint32[3]);
} else if ((a->family == AF_INET6) && (b->family == AF_INET)) {
if (IN6_IS_ADDR_V4COMPAT(&a->ip6.in6_addr))
if (IN6_IS_ADDR_V4MAPPED(&a->ip6.in6_addr))
return (a->ip6.uint32[3] == b->ip4.in_addr.s_addr);
}