Test case for a2i_IPADDRESS

Unit test to show that a2i_IPADDRESS("1.2.3.4.test.example") ignores
trailing data.

See: https://github.com/openssl/openssl/issues/12649
See: https://bugs.python.org/issue41556
Signed-off-by: Christian Heimes <christian@python.org>

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/16201)
This commit is contained in:
Christian Heimes 2020-08-15 20:01:49 +02:00 committed by Tomas Mraz
parent 8b9a13b43b
commit 1a9411a30b
1 changed files with 54 additions and 0 deletions

View File

@ -48,8 +48,62 @@ static int test_standard_exts(void)
return good;
}
typedef struct {
const char *ipasc;
const char *data;
int length;
ASN1_OCTET_STRING ip;
} IP_TESTDATA;
static IP_TESTDATA a2i_ipaddress_tests[] = {
{"127.0.0.1", "\x7f\x00\x00\x01", 4},
{"1.2.3.4", "\x01\x02\x03\x04", 4},
{"1.2.3.255", "\x01\x02\x03\xff", 4},
{"1.2.3", NULL, 0},
{"1.2.3 .4", NULL, 0},
{"::1", "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01", 16},
{"1:1:1:1:1:1:1:1", "\x00\x01\x00\x01\x00\x01\x00\x01\x00\x01\x00\x01\x00\x01\x00\x01", 16},
{"2001:db8::ff00:42:8329", "\x20\x01\x0d\xb8\x00\x00\x00\x00\x00\x00\xff\x00\x00\x42\x83\x29", 16},
{"1:1:1:1:1:1:1:1.test", NULL, 0},
{":::1", NULL, 0},
{"2001::123g", NULL, 0},
{"example.test", NULL, 0},
{"", NULL, 0},
{"1.2.3.4.example.test", NULL, 0},
{"1.2.3.4 ", NULL, 0},
};
static int test_a2i_ipaddress(int idx)
{
int good = 1;
ASN1_OCTET_STRING *ip;
int len = a2i_ipaddress_tests[idx].length;
ip = a2i_IPADDRESS(a2i_ipaddress_tests[idx].ipasc);
if (len == 0) {
if (!TEST_ptr_null(ip)) {
good = 0;
TEST_note("'%s' should not be parsed as IP address", a2i_ipaddress_tests[idx].ipasc);
}
} else {
if (!TEST_ptr(ip)
|| !TEST_int_eq(ASN1_STRING_length(ip), len)
|| !TEST_mem_eq(ASN1_STRING_get0_data(ip), len,
a2i_ipaddress_tests[idx].data, len)) {
good = 0;
}
}
ASN1_OCTET_STRING_free(ip);
return good;
}
int setup_tests(void)
{
ADD_TEST(test_standard_exts);
ADD_ALL_TESTS(test_a2i_ipaddress, OSSL_NELEM(a2i_ipaddress_tests));
return 1;
}