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[tor-commits] [tor/release-0.4.4] Run `tor_tls_cert_matches_key()` Test Suite with both OpenSSL and NSS.
commit 33e1c2e6fd614f8cb42a6d5758d411d3f8d5411c
Author: Alexander Færøy <ahf@xxxxxxxxxxxxxx>
Date: Tue Mar 31 02:28:12 2020 +0000
Run `tor_tls_cert_matches_key()` Test Suite with both OpenSSL and NSS.
This patch lifts the `tor_tls_cert_matches_key()` tests out of the
OpenSSL specific TLS test suite and moves it into the generic TLS test
suite that is executed for both OpenSSL and NSS.
This patch is largely a code movement, but we had to rewrite parts of
the test to avoid using OpenSSL specific data-types (such as `X509 *`)
and replace it with the generic Tor abstraction type
(`tor_x509_cert_impl_t *`).
This patch is part of the fix for TROVE-2020-001.
See: https://bugs.torproject.org/33119
---
src/test/test_tortls.c | 73 ++++++++++++++++++++++++++++++++++++++++++
src/test/test_tortls_openssl.c | 70 ----------------------------------------
2 files changed, 73 insertions(+), 70 deletions(-)
diff --git a/src/test/test_tortls.c b/src/test/test_tortls.c
index 11e35be2f..853abc4f9 100644
--- a/src/test/test_tortls.c
+++ b/src/test/test_tortls.c
@@ -105,6 +105,17 @@ const char* caCertString = "-----BEGIN CERTIFICATE-----\n"
"Yy1RT69d0rwYc5u/vnqODz1IjvT90smsrkBumGt791FAFeg=\n"
"-----END CERTIFICATE-----\n";
+static tor_x509_cert_t *fixed_x509_cert = NULL;
+static tor_x509_cert_t *
+get_peer_cert_mock_return_fixed(tor_tls_t *tls)
+{
+ (void)tls;
+ if (fixed_x509_cert)
+ return tor_x509_cert_dup(fixed_x509_cert);
+ else
+ return NULL;
+}
+
tor_x509_cert_impl_t *
read_cert_from(const char *str)
{
@@ -513,6 +524,67 @@ test_tortls_verify(void *ignored)
crypto_pk_free(k);
}
+static void
+test_tortls_cert_matches_key(void *ignored)
+{
+ (void)ignored;
+
+ tor_x509_cert_impl_t *cert1 = NULL,
+ *cert2 = NULL,
+ *cert3 = NULL,
+ *cert4 = NULL;
+ tor_x509_cert_t *c1 = NULL, *c2 = NULL, *c3 = NULL, *c4 = NULL;
+ crypto_pk_t *k1 = NULL, *k2 = NULL, *k3 = NULL;
+
+ k1 = pk_generate(1);
+ k2 = pk_generate(2);
+ k3 = pk_generate(3);
+
+ cert1 = tor_tls_create_certificate(k1, k2, "A", "B", 1000);
+ cert2 = tor_tls_create_certificate(k1, k3, "C", "D", 1000);
+ cert3 = tor_tls_create_certificate(k2, k3, "C", "D", 1000);
+ cert4 = tor_tls_create_certificate(k3, k2, "E", "F", 1000);
+
+ tt_assert(cert1 && cert2 && cert3 && cert4);
+
+ c1 = tor_x509_cert_new(cert1); cert1 = NULL;
+ c2 = tor_x509_cert_new(cert2); cert2 = NULL;
+ c3 = tor_x509_cert_new(cert3); cert3 = NULL;
+ c4 = tor_x509_cert_new(cert4); cert4 = NULL;
+
+ tt_assert(c1 && c2 && c3 && c4);
+
+ MOCK(tor_tls_get_peer_cert, get_peer_cert_mock_return_fixed);
+
+ fixed_x509_cert = NULL;
+ /* If the peer has no certificate, it shouldn't match anything. */
+ tt_assert(! tor_tls_cert_matches_key(NULL, c1));
+ tt_assert(! tor_tls_cert_matches_key(NULL, c2));
+ tt_assert(! tor_tls_cert_matches_key(NULL, c3));
+ tt_assert(! tor_tls_cert_matches_key(NULL, c4));
+ fixed_x509_cert = c1;
+ /* If the peer has a certificate, it should match every cert with the same
+ * subject key. */
+ tt_assert(tor_tls_cert_matches_key(NULL, c1));
+ tt_assert(tor_tls_cert_matches_key(NULL, c2));
+ tt_assert(! tor_tls_cert_matches_key(NULL, c3));
+ tt_assert(! tor_tls_cert_matches_key(NULL, c4));
+
+ done:
+ tor_x509_cert_free(c1);
+ tor_x509_cert_free(c2);
+ tor_x509_cert_free(c3);
+ tor_x509_cert_free(c4);
+ if (cert1) tor_x509_cert_impl_free(cert1);
+ if (cert2) tor_x509_cert_impl_free(cert2);
+ if (cert3) tor_x509_cert_impl_free(cert3);
+ if (cert4) tor_x509_cert_impl_free(cert4);
+ crypto_pk_free(k1);
+ crypto_pk_free(k2);
+ crypto_pk_free(k3);
+ UNMOCK(tor_tls_get_peer_cert);
+}
+
#define LOCAL_TEST_CASE(name, flags) \
{ #name, test_tortls_##name, (flags|TT_FORK), NULL, NULL }
@@ -533,5 +605,6 @@ struct testcase_t tortls_tests[] = {
LOCAL_TEST_CASE(is_server, 0),
LOCAL_TEST_CASE(bridge_init, TT_FORK),
LOCAL_TEST_CASE(verify, TT_FORK),
+ LOCAL_TEST_CASE(cert_matches_key, 0),
END_OF_TESTCASES
};
diff --git a/src/test/test_tortls_openssl.c b/src/test/test_tortls_openssl.c
index 73041a871..f039980a2 100644
--- a/src/test/test_tortls_openssl.c
+++ b/src/test/test_tortls_openssl.c
@@ -479,75 +479,6 @@ fake_x509_free(X509 *cert)
}
#endif
-static tor_x509_cert_t *fixed_x509_cert = NULL;
-static tor_x509_cert_t *
-get_peer_cert_mock_return_fixed(tor_tls_t *tls)
-{
- (void)tls;
- if (fixed_x509_cert)
- return tor_x509_cert_dup(fixed_x509_cert);
- else
- return NULL;
-}
-
-static void
-test_tortls_cert_matches_key(void *ignored)
-{
- (void)ignored;
-
- X509 *cert1 = NULL, *cert2 = NULL, *cert3 = NULL, *cert4 = NULL;
- tor_x509_cert_t *c1 = NULL, *c2 = NULL, *c3 = NULL, *c4 = NULL;
- crypto_pk_t *k1 = NULL, *k2 = NULL, *k3 = NULL;
-
- k1 = pk_generate(1);
- k2 = pk_generate(2);
- k3 = pk_generate(3);
-
- cert1 = tor_tls_create_certificate(k1, k2, "A", "B", 1000);
- cert2 = tor_tls_create_certificate(k1, k3, "C", "D", 1000);
- cert3 = tor_tls_create_certificate(k2, k3, "C", "D", 1000);
- cert4 = tor_tls_create_certificate(k3, k2, "E", "F", 1000);
-
- tt_assert(cert1 && cert2 && cert3 && cert4);
-
- c1 = tor_x509_cert_new(cert1); cert1 = NULL;
- c2 = tor_x509_cert_new(cert2); cert2 = NULL;
- c3 = tor_x509_cert_new(cert3); cert3 = NULL;
- c4 = tor_x509_cert_new(cert4); cert4 = NULL;
-
- tt_assert(c1 && c2 && c3 && c4);
-
- MOCK(tor_tls_get_peer_cert, get_peer_cert_mock_return_fixed);
-
- fixed_x509_cert = NULL;
- /* If the peer has no certificate, it shouldn't match anything. */
- tt_assert(! tor_tls_cert_matches_key(NULL, c1));
- tt_assert(! tor_tls_cert_matches_key(NULL, c2));
- tt_assert(! tor_tls_cert_matches_key(NULL, c3));
- tt_assert(! tor_tls_cert_matches_key(NULL, c4));
- fixed_x509_cert = c1;
- /* If the peer has a certificate, it should match every cert with the same
- * subject key. */
- tt_assert(tor_tls_cert_matches_key(NULL, c1));
- tt_assert(tor_tls_cert_matches_key(NULL, c2));
- tt_assert(! tor_tls_cert_matches_key(NULL, c3));
- tt_assert(! tor_tls_cert_matches_key(NULL, c4));
-
- done:
- tor_x509_cert_free(c1);
- tor_x509_cert_free(c2);
- tor_x509_cert_free(c3);
- tor_x509_cert_free(c4);
- if (cert1) X509_free(cert1);
- if (cert2) X509_free(cert2);
- if (cert3) X509_free(cert3);
- if (cert4) X509_free(cert4);
- crypto_pk_free(k1);
- crypto_pk_free(k2);
- crypto_pk_free(k3);
- UNMOCK(tor_tls_get_peer_cert);
-}
-
#ifndef OPENSSL_OPAQUE
static void
test_tortls_cert_get_key(void *ignored)
@@ -2279,7 +2210,6 @@ struct testcase_t tortls_openssl_tests[] = {
INTRUSIVE_TEST_CASE(get_error, TT_FORK),
LOCAL_TEST_CASE(always_accept_verify_cb, 0),
INTRUSIVE_TEST_CASE(x509_cert_free, 0),
- LOCAL_TEST_CASE(cert_matches_key, 0),
INTRUSIVE_TEST_CASE(cert_get_key, 0),
LOCAL_TEST_CASE(get_my_client_auth_key, TT_FORK),
INTRUSIVE_TEST_CASE(get_ciphersuite_name, 0),
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