iodine/tests/common.c

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#include <check.h>
#include <common.h>
#include <unistd.h>
#include <sys/socket.h>
#include <netdb.h>
START_TEST(test_topdomain_ok)
{
fail_if(check_topdomain("foo.0123456789.qwertyuiop.asdfghjkl.zxcvbnm.com"));
/* Not allowed to start with dot */
fail_unless(check_topdomain(".foo.0123456789.qwertyuiop.asdfghjkl.zxcvbnm.com"));
}
END_TEST
START_TEST(test_topdomain_length)
{
/* Test empty and too short */
fail_unless(check_topdomain(""));
fail_unless(check_topdomain("a"));
fail_unless(check_topdomain(".a"));
fail_unless(check_topdomain("a."));
fail_unless(check_topdomain("ab"));
fail_if(check_topdomain("a.b"));
/* Test too long (over 128, need rest of space for data) */
fail_unless(check_topdomain(
"abcd12345.abcd12345.abcd12345.abcd12345.abcd12345."
"abcd12345.abcd12345.abcd12345.abcd12345.abcd12345."
"abcd12345.abcd12345.foo129xxx"));
fail_if(check_topdomain(
"abcd12345.abcd12345.abcd12345.abcd12345.abcd12345."
"abcd12345.abcd12345.abcd12345.abcd12345.abcd12345."
"abcd12345.abcd12345.foo128xx"));
}
END_TEST
START_TEST(test_topdomain_chunks)
{
/* Must have at least one dot */
fail_if(check_topdomain("abcde.gh"));
fail_unless(check_topdomain("abcdefgh"));
/* Not two consecutive dots */
fail_unless(check_topdomain("abc..defgh"));
/* Not end with a dots */
fail_unless(check_topdomain("abc.defgh."));
/* No chunk longer than 63 chars */
fail_unless(check_topdomain("123456789012345678901234567890"
"1234567890123456789012345678904444.com"));
fail_if(check_topdomain("123456789012345678901234567890"
"123456789012345678901234567890333.com"));
fail_unless(check_topdomain("abc.123456789012345678901234567890"
"1234567890123456789012345678904444.com"));
fail_if(check_topdomain("abc.123456789012345678901234567890"
"123456789012345678901234567890333.com"));
fail_unless(check_topdomain("abc.123456789012345678901234567890"
"1234567890123456789012345678904444"));
fail_if(check_topdomain("abc.123456789012345678901234567890"
"123456789012345678901234567890333"));
}
END_TEST
START_TEST(test_parse_format_ipv4)
{
char *host = "192.168.2.10";
char *formatted;
struct sockaddr_storage addr;
struct sockaddr_in *v4addr;
int addr_len;
addr_len = get_addr(host, 53, AF_INET, 0, &addr);
fail_unless(addr_len == sizeof(struct sockaddr_in));
v4addr = (struct sockaddr_in *) &addr;
fail_unless(v4addr->sin_addr.s_addr == htonl(0xc0a8020a));
fail_unless(v4addr->sin_port == htons(53));
formatted = format_addr(&addr, addr_len);
fail_if(strcmp(host, formatted));
}
END_TEST
START_TEST(test_parse_format_ipv4_listen_all)
{
char *host = "0.0.0.0";
char *formatted;
struct sockaddr_storage addr;
struct sockaddr_in *v4addr;
int addr_len;
addr_len = get_addr(NULL, 53, AF_INET, AI_PASSIVE, &addr);
fail_unless(addr_len == sizeof(struct sockaddr_in));
v4addr = (struct sockaddr_in *) &addr;
fail_unless(v4addr->sin_addr.s_addr == htonl(0x00000000));
fail_unless(v4addr->sin_port == htons(53));
formatted = format_addr(&addr, addr_len);
fail_if(strcmp(host, formatted));
}
END_TEST
START_TEST(test_parse_format_ipv6)
{
char *host = "2001:0db8:0505:0::123:0abc";
char *compact = "2001:db8:505::123:abc";
unsigned char v6_bits[] = {
0x20, 0x01, 0x0d, 0xb8, 0x05, 0x05, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x01, 0x23, 0x0a, 0xbc,
};
char *formatted;
struct sockaddr_storage addr;
struct sockaddr_in6 *v6addr;
int addr_len;
addr_len = get_addr(host, 53, AF_UNSPEC, 0, &addr);
fail_unless(addr_len == sizeof(struct sockaddr_in6));
v6addr = (struct sockaddr_in6 *) &addr;
fail_if(memcmp(&v6addr->sin6_addr, v6_bits, sizeof(v6_bits)));
fail_unless(v6addr->sin6_port == htons(53));
formatted = format_addr(&addr, addr_len);
fail_if(strcmp(compact, formatted));
}
END_TEST
START_TEST(test_parse_format_ipv4_mapped_ipv6)
{
char *v4mapped = "::FFFF:192.168.2.10";
char *host = "192.168.2.10";
unsigned char v6_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0xff, 0xff, 0xc0, 0xa8, 0x02, 0x0a,
};
char *formatted;
struct sockaddr_storage addr;
struct sockaddr_in6 *v6addr;
int addr_len;
addr_len = get_addr(v4mapped, 53, AF_INET6, 0, &addr);
fail_unless(addr_len == sizeof(struct sockaddr_in6));
v6addr = (struct sockaddr_in6 *) &addr;
fail_if(memcmp(&v6addr->sin6_addr, v6_bits, sizeof(v6_bits)));
fail_unless(v6addr->sin6_port == htons(53));
/* Format as IPv4 address */
formatted = format_addr(&addr, addr_len);
fail_if(strcmp(host, formatted));
}
END_TEST
TCase *
test_common_create_tests()
{
TCase *tc;
int sock;
tc = tcase_create("Common");
tcase_add_test(tc, test_topdomain_ok);
tcase_add_test(tc, test_topdomain_length);
tcase_add_test(tc, test_topdomain_chunks);
tcase_add_test(tc, test_parse_format_ipv4);
tcase_add_test(tc, test_parse_format_ipv4_listen_all);
/* Tests require IPv6 support */
sock = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
if (sock >= 0) {
close(sock);
tcase_add_test(tc, test_parse_format_ipv6);
tcase_add_test(tc, test_parse_format_ipv4_mapped_ipv6);
}
return tc;
}