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-rw-r--r--test/core/security/security_connector_test.cc405
1 files changed, 405 insertions, 0 deletions
diff --git a/test/core/security/security_connector_test.cc b/test/core/security/security_connector_test.cc
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index 0000000000..a0c1e93532
--- /dev/null
+++ b/test/core/security/security_connector_test.cc
@@ -0,0 +1,405 @@
+/*
+ *
+ * Copyright 2015 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include <grpc/grpc_security.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/useful.h>
+
+#include "src/core/lib/security/context/security_context.h"
+#include "src/core/lib/security/transport/security_connector.h"
+#include "src/core/lib/slice/slice_string_helpers.h"
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/support/tmpfile.h"
+#include "src/core/tsi/ssl_transport_security.h"
+#include "src/core/tsi/transport_security.h"
+#include "test/core/util/test_config.h"
+
+static int check_transport_security_type(const grpc_auth_context* ctx) {
+ grpc_auth_property_iterator it = grpc_auth_context_find_properties_by_name(
+ ctx, GRPC_TRANSPORT_SECURITY_TYPE_PROPERTY_NAME);
+ const grpc_auth_property* prop = grpc_auth_property_iterator_next(&it);
+ if (prop == NULL) return 0;
+ if (strncmp(prop->value, GRPC_SSL_TRANSPORT_SECURITY_TYPE,
+ prop->value_length) != 0) {
+ return 0;
+ }
+ /* Check that we have only one property with this name. */
+ if (grpc_auth_property_iterator_next(&it) != NULL) return 0;
+ return 1;
+}
+
+static int check_peer_property(const tsi_peer* peer,
+ const tsi_peer_property* expected) {
+ size_t i;
+ for (i = 0; i < peer->property_count; i++) {
+ const tsi_peer_property* prop = &peer->properties[i];
+ if ((strcmp(prop->name, expected->name) == 0) &&
+ (prop->value.length == expected->value.length) &&
+ (memcmp(prop->value.data, expected->value.data,
+ expected->value.length) == 0)) {
+ return 1;
+ }
+ }
+ return 0; /* Not found... */
+}
+
+static int check_ssl_peer_equivalence(const tsi_peer* original,
+ const tsi_peer* reconstructed) {
+ /* The reconstructed peer only has CN, SAN and pem cert properties. */
+ size_t i;
+ for (i = 0; i < original->property_count; i++) {
+ const tsi_peer_property* prop = &original->properties[i];
+ if ((strcmp(prop->name, TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY) == 0) ||
+ (strcmp(prop->name, TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY) ==
+ 0) ||
+ (strcmp(prop->name, TSI_X509_PEM_CERT_PROPERTY) == 0)) {
+ if (!check_peer_property(reconstructed, prop)) return 0;
+ }
+ }
+ return 1;
+}
+
+static void test_unauthenticated_ssl_peer(void) {
+ tsi_peer peer;
+ tsi_peer rpeer;
+ grpc_auth_context* ctx;
+ GPR_ASSERT(tsi_construct_peer(1, &peer) == TSI_OK);
+ GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+ TSI_CERTIFICATE_TYPE_PEER_PROPERTY, TSI_X509_CERTIFICATE_TYPE,
+ &peer.properties[0]) == TSI_OK);
+ ctx = tsi_ssl_peer_to_auth_context(&peer);
+ GPR_ASSERT(ctx != NULL);
+ GPR_ASSERT(!grpc_auth_context_peer_is_authenticated(ctx));
+ GPR_ASSERT(check_transport_security_type(ctx));
+
+ rpeer = tsi_shallow_peer_from_ssl_auth_context(ctx);
+ GPR_ASSERT(check_ssl_peer_equivalence(&peer, &rpeer));
+
+ tsi_shallow_peer_destruct(&rpeer);
+ tsi_peer_destruct(&peer);
+ GRPC_AUTH_CONTEXT_UNREF(ctx, "test");
+}
+
+static int check_identity(const grpc_auth_context* ctx,
+ const char* expected_property_name,
+ const char** expected_identities,
+ size_t num_identities) {
+ grpc_auth_property_iterator it;
+ const grpc_auth_property* prop;
+ size_t i;
+ GPR_ASSERT(grpc_auth_context_peer_is_authenticated(ctx));
+ it = grpc_auth_context_peer_identity(ctx);
+ for (i = 0; i < num_identities; i++) {
+ prop = grpc_auth_property_iterator_next(&it);
+ if (prop == NULL) {
+ gpr_log(GPR_ERROR, "Expected identity value %s not found.",
+ expected_identities[i]);
+ return 0;
+ }
+ if (strcmp(prop->name, expected_property_name) != 0) {
+ gpr_log(GPR_ERROR, "Expected peer identity property name %s and got %s.",
+ expected_property_name, prop->name);
+ return 0;
+ }
+ if (strncmp(prop->value, expected_identities[i], prop->value_length) != 0) {
+ gpr_log(GPR_ERROR, "Expected peer identity %s and got %s.",
+ expected_identities[i], prop->value);
+ return 0;
+ }
+ }
+ return 1;
+}
+
+static int check_x509_cn(const grpc_auth_context* ctx,
+ const char* expected_cn) {
+ grpc_auth_property_iterator it = grpc_auth_context_find_properties_by_name(
+ ctx, GRPC_X509_CN_PROPERTY_NAME);
+ const grpc_auth_property* prop = grpc_auth_property_iterator_next(&it);
+ if (prop == NULL) {
+ gpr_log(GPR_ERROR, "CN property not found.");
+ return 0;
+ }
+ if (strncmp(prop->value, expected_cn, prop->value_length) != 0) {
+ gpr_log(GPR_ERROR, "Expected CN %s and got %s", expected_cn, prop->value);
+ return 0;
+ }
+ if (grpc_auth_property_iterator_next(&it) != NULL) {
+ gpr_log(GPR_ERROR, "Expected only one property for CN.");
+ return 0;
+ }
+ return 1;
+}
+
+static int check_x509_pem_cert(const grpc_auth_context* ctx,
+ const char* expected_pem_cert) {
+ grpc_auth_property_iterator it = grpc_auth_context_find_properties_by_name(
+ ctx, GRPC_X509_PEM_CERT_PROPERTY_NAME);
+ const grpc_auth_property* prop = grpc_auth_property_iterator_next(&it);
+ if (prop == NULL) {
+ gpr_log(GPR_ERROR, "Pem certificate property not found.");
+ return 0;
+ }
+ if (strncmp(prop->value, expected_pem_cert, prop->value_length) != 0) {
+ gpr_log(GPR_ERROR, "Expected pem cert %s and got %s", expected_pem_cert,
+ prop->value);
+ return 0;
+ }
+ if (grpc_auth_property_iterator_next(&it) != NULL) {
+ gpr_log(GPR_ERROR, "Expected only one property for pem cert.");
+ return 0;
+ }
+ return 1;
+}
+
+static void test_cn_only_ssl_peer_to_auth_context(void) {
+ tsi_peer peer;
+ tsi_peer rpeer;
+ grpc_auth_context* ctx;
+ const char* expected_cn = "cn1";
+ const char* expected_pem_cert = "pem_cert1";
+ GPR_ASSERT(tsi_construct_peer(3, &peer) == TSI_OK);
+ GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+ TSI_CERTIFICATE_TYPE_PEER_PROPERTY, TSI_X509_CERTIFICATE_TYPE,
+ &peer.properties[0]) == TSI_OK);
+ GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+ TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, expected_cn,
+ &peer.properties[1]) == TSI_OK);
+ GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+ TSI_X509_PEM_CERT_PROPERTY, expected_pem_cert,
+ &peer.properties[2]) == TSI_OK);
+ ctx = tsi_ssl_peer_to_auth_context(&peer);
+ GPR_ASSERT(ctx != NULL);
+ GPR_ASSERT(grpc_auth_context_peer_is_authenticated(ctx));
+ GPR_ASSERT(check_identity(ctx, GRPC_X509_CN_PROPERTY_NAME, &expected_cn, 1));
+ GPR_ASSERT(check_transport_security_type(ctx));
+ GPR_ASSERT(check_x509_cn(ctx, expected_cn));
+ GPR_ASSERT(check_x509_pem_cert(ctx, expected_pem_cert));
+
+ rpeer = tsi_shallow_peer_from_ssl_auth_context(ctx);
+ GPR_ASSERT(check_ssl_peer_equivalence(&peer, &rpeer));
+
+ tsi_shallow_peer_destruct(&rpeer);
+ tsi_peer_destruct(&peer);
+ GRPC_AUTH_CONTEXT_UNREF(ctx, "test");
+}
+
+static void test_cn_and_one_san_ssl_peer_to_auth_context(void) {
+ tsi_peer peer;
+ tsi_peer rpeer;
+ grpc_auth_context* ctx;
+ const char* expected_cn = "cn1";
+ const char* expected_san = "san1";
+ const char* expected_pem_cert = "pem_cert1";
+ GPR_ASSERT(tsi_construct_peer(4, &peer) == TSI_OK);
+ GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+ TSI_CERTIFICATE_TYPE_PEER_PROPERTY, TSI_X509_CERTIFICATE_TYPE,
+ &peer.properties[0]) == TSI_OK);
+ GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+ TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, expected_cn,
+ &peer.properties[1]) == TSI_OK);
+ GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+ TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY, expected_san,
+ &peer.properties[2]) == TSI_OK);
+ GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+ TSI_X509_PEM_CERT_PROPERTY, expected_pem_cert,
+ &peer.properties[3]) == TSI_OK);
+ ctx = tsi_ssl_peer_to_auth_context(&peer);
+ GPR_ASSERT(ctx != NULL);
+ GPR_ASSERT(grpc_auth_context_peer_is_authenticated(ctx));
+ GPR_ASSERT(
+ check_identity(ctx, GRPC_X509_SAN_PROPERTY_NAME, &expected_san, 1));
+ GPR_ASSERT(check_transport_security_type(ctx));
+ GPR_ASSERT(check_x509_cn(ctx, expected_cn));
+ GPR_ASSERT(check_x509_pem_cert(ctx, expected_pem_cert));
+
+ rpeer = tsi_shallow_peer_from_ssl_auth_context(ctx);
+ GPR_ASSERT(check_ssl_peer_equivalence(&peer, &rpeer));
+
+ tsi_shallow_peer_destruct(&rpeer);
+ tsi_peer_destruct(&peer);
+ GRPC_AUTH_CONTEXT_UNREF(ctx, "test");
+}
+
+static void test_cn_and_multiple_sans_ssl_peer_to_auth_context(void) {
+ tsi_peer peer;
+ tsi_peer rpeer;
+ grpc_auth_context* ctx;
+ const char* expected_cn = "cn1";
+ const char* expected_sans[] = {"san1", "san2", "san3"};
+ const char* expected_pem_cert = "pem_cert1";
+ size_t i;
+ GPR_ASSERT(tsi_construct_peer(3 + GPR_ARRAY_SIZE(expected_sans), &peer) ==
+ TSI_OK);
+ GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+ TSI_CERTIFICATE_TYPE_PEER_PROPERTY, TSI_X509_CERTIFICATE_TYPE,
+ &peer.properties[0]) == TSI_OK);
+ GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+ TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, expected_cn,
+ &peer.properties[1]) == TSI_OK);
+ GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+ TSI_X509_PEM_CERT_PROPERTY, expected_pem_cert,
+ &peer.properties[2]) == TSI_OK);
+ for (i = 0; i < GPR_ARRAY_SIZE(expected_sans); i++) {
+ GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+ TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY,
+ expected_sans[i], &peer.properties[3 + i]) == TSI_OK);
+ }
+ ctx = tsi_ssl_peer_to_auth_context(&peer);
+ GPR_ASSERT(ctx != NULL);
+ GPR_ASSERT(grpc_auth_context_peer_is_authenticated(ctx));
+ GPR_ASSERT(check_identity(ctx, GRPC_X509_SAN_PROPERTY_NAME, expected_sans,
+ GPR_ARRAY_SIZE(expected_sans)));
+ GPR_ASSERT(check_transport_security_type(ctx));
+ GPR_ASSERT(check_x509_cn(ctx, expected_cn));
+ GPR_ASSERT(check_x509_pem_cert(ctx, expected_pem_cert));
+
+ rpeer = tsi_shallow_peer_from_ssl_auth_context(ctx);
+ GPR_ASSERT(check_ssl_peer_equivalence(&peer, &rpeer));
+
+ tsi_shallow_peer_destruct(&rpeer);
+ tsi_peer_destruct(&peer);
+ GRPC_AUTH_CONTEXT_UNREF(ctx, "test");
+}
+
+static void test_cn_and_multiple_sans_and_others_ssl_peer_to_auth_context(
+ void) {
+ tsi_peer peer;
+ tsi_peer rpeer;
+ grpc_auth_context* ctx;
+ const char* expected_cn = "cn1";
+ const char* expected_pem_cert = "pem_cert1";
+ const char* expected_sans[] = {"san1", "san2", "san3"};
+ size_t i;
+ GPR_ASSERT(tsi_construct_peer(5 + GPR_ARRAY_SIZE(expected_sans), &peer) ==
+ TSI_OK);
+ GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+ TSI_CERTIFICATE_TYPE_PEER_PROPERTY, TSI_X509_CERTIFICATE_TYPE,
+ &peer.properties[0]) == TSI_OK);
+ GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+ "foo", "bar", &peer.properties[1]) == TSI_OK);
+ GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+ TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, expected_cn,
+ &peer.properties[2]) == TSI_OK);
+ GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+ "chapi", "chapo", &peer.properties[3]) == TSI_OK);
+ GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+ TSI_X509_PEM_CERT_PROPERTY, expected_pem_cert,
+ &peer.properties[4]) == TSI_OK);
+ for (i = 0; i < GPR_ARRAY_SIZE(expected_sans); i++) {
+ GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
+ TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY,
+ expected_sans[i], &peer.properties[5 + i]) == TSI_OK);
+ }
+ ctx = tsi_ssl_peer_to_auth_context(&peer);
+ GPR_ASSERT(ctx != NULL);
+ GPR_ASSERT(grpc_auth_context_peer_is_authenticated(ctx));
+ GPR_ASSERT(check_identity(ctx, GRPC_X509_SAN_PROPERTY_NAME, expected_sans,
+ GPR_ARRAY_SIZE(expected_sans)));
+ GPR_ASSERT(check_transport_security_type(ctx));
+ GPR_ASSERT(check_x509_cn(ctx, expected_cn));
+ GPR_ASSERT(check_x509_pem_cert(ctx, expected_pem_cert));
+
+ rpeer = tsi_shallow_peer_from_ssl_auth_context(ctx);
+ GPR_ASSERT(check_ssl_peer_equivalence(&peer, &rpeer));
+
+ tsi_shallow_peer_destruct(&rpeer);
+ tsi_peer_destruct(&peer);
+ GRPC_AUTH_CONTEXT_UNREF(ctx, "test");
+}
+
+static const char* roots_for_override_api = "roots for override api";
+
+static grpc_ssl_roots_override_result override_roots_success(
+ char** pem_root_certs) {
+ *pem_root_certs = gpr_strdup(roots_for_override_api);
+ return GRPC_SSL_ROOTS_OVERRIDE_OK;
+}
+
+static grpc_ssl_roots_override_result override_roots_permanent_failure(
+ char** pem_root_certs) {
+ return GRPC_SSL_ROOTS_OVERRIDE_FAIL_PERMANENTLY;
+}
+
+static void test_default_ssl_roots(void) {
+ const char* roots_for_env_var = "roots for env var";
+
+ char* roots_env_var_file_path;
+ FILE* roots_env_var_file =
+ gpr_tmpfile("test_roots_for_env_var", &roots_env_var_file_path);
+ fwrite(roots_for_env_var, 1, strlen(roots_for_env_var), roots_env_var_file);
+ fclose(roots_env_var_file);
+
+ /* First let's get the root through the override: set the env to an invalid
+ value. */
+ gpr_setenv(GRPC_DEFAULT_SSL_ROOTS_FILE_PATH_ENV_VAR, "");
+ grpc_set_ssl_roots_override_callback(override_roots_success);
+ grpc_slice roots = grpc_get_default_ssl_roots_for_testing();
+ char* roots_contents = grpc_slice_to_c_string(roots);
+ grpc_slice_unref(roots);
+ GPR_ASSERT(strcmp(roots_contents, roots_for_override_api) == 0);
+ gpr_free(roots_contents);
+
+ /* Now let's set the env var: We should get the contents pointed value
+ instead. */
+ gpr_setenv(GRPC_DEFAULT_SSL_ROOTS_FILE_PATH_ENV_VAR, roots_env_var_file_path);
+ roots = grpc_get_default_ssl_roots_for_testing();
+ roots_contents = grpc_slice_to_c_string(roots);
+ grpc_slice_unref(roots);
+ GPR_ASSERT(strcmp(roots_contents, roots_for_env_var) == 0);
+ gpr_free(roots_contents);
+
+ /* Now reset the env var. We should fall back to the value overridden using
+ the api. */
+ gpr_setenv(GRPC_DEFAULT_SSL_ROOTS_FILE_PATH_ENV_VAR, "");
+ roots = grpc_get_default_ssl_roots_for_testing();
+ roots_contents = grpc_slice_to_c_string(roots);
+ grpc_slice_unref(roots);
+ GPR_ASSERT(strcmp(roots_contents, roots_for_override_api) == 0);
+ gpr_free(roots_contents);
+
+ /* Now setup a permanent failure for the overridden roots and we should get
+ an empty slice. */
+ grpc_set_ssl_roots_override_callback(override_roots_permanent_failure);
+ roots = grpc_get_default_ssl_roots_for_testing();
+ GPR_ASSERT(GRPC_SLICE_IS_EMPTY(roots));
+
+ /* Cleanup. */
+ remove(roots_env_var_file_path);
+ gpr_free(roots_env_var_file_path);
+}
+
+int main(int argc, char** argv) {
+ grpc_test_init(argc, argv);
+ grpc_init();
+
+ test_unauthenticated_ssl_peer();
+ test_cn_only_ssl_peer_to_auth_context();
+ test_cn_and_one_san_ssl_peer_to_auth_context();
+ test_cn_and_multiple_sans_ssl_peer_to_auth_context();
+ test_cn_and_multiple_sans_and_others_ssl_peer_to_auth_context();
+ test_default_ssl_roots();
+
+ grpc_shutdown();
+ return 0;
+}
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