test/core/end2end/fixtures/h2_ssl_cred_reload.cc

   1 /*
   2  *
   3  * Copyright 2015 gRPC authors.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  *
  17  */
  18
  19 #include "test/core/end2end/end2end_tests.h"
  20
  21 #include <stdio.h>
  22 #include <string.h>
  23
  24 #include <grpc/support/alloc.h>
  25 #include <grpc/support/log.h>
  26
  27 #include "src/core/lib/channel/channel_args.h"
  28 #include "src/core/lib/gpr/host_port.h"
  29 #include "src/core/lib/gpr/string.h"
  30 #include "src/core/lib/gpr/tmpfile.h"
  31 #include "src/core/lib/security/credentials/credentials.h"
  32 #include "src/core/lib/security/security_connector/ssl_utils.h"
  33 #include "test/core/end2end/data/ssl_test_data.h"
  34 #include "test/core/util/port.h"
  35 #include "test/core/util/test_config.h"
  36
  37 typedef struct fullstack_secure_fixture_data {
  38   char* localaddr;
  39   bool server_credential_reloaded;
  40 } fullstack_secure_fixture_data;
  41
  42 static grpc_ssl_certificate_config_reload_status
  43 ssl_server_certificate_config_callback(
  44     void* user_data, grpc_ssl_server_certificate_config** config) {
  45   if (config == nullptr) {
  46     return GRPC_SSL_CERTIFICATE_CONFIG_RELOAD_FAIL;
  47   }
  48   fullstack_secure_fixture_data* ffd =
  49       static_cast<fullstack_secure_fixture_data*>(user_data);
  50   if (!ffd->server_credential_reloaded) {
  51     grpc_ssl_pem_key_cert_pair pem_key_cert_pair = {test_server1_key,
  52                                                     test_server1_cert};
  53     *config = grpc_ssl_server_certificate_config_create(test_root_cert,
  54                                                         &pem_key_cert_pair, 1);
  55     ffd->server_credential_reloaded = true;
  56     return GRPC_SSL_CERTIFICATE_CONFIG_RELOAD_NEW;
  57   } else {
  58     return GRPC_SSL_CERTIFICATE_CONFIG_RELOAD_UNCHANGED;
  59   }
  60 }
  61
  62 static grpc_end2end_test_fixture chttp2_create_fixture_secure_fullstack(
  63     grpc_channel_args* client_args, grpc_channel_args* server_args) {
  64   grpc_end2end_test_fixture f;
  65   int port = grpc_pick_unused_port_or_die();
  66   fullstack_secure_fixture_data* ffd =
  67       static_cast<fullstack_secure_fixture_data*>(
  68           gpr_malloc(sizeof(fullstack_secure_fixture_data)));
  69   memset(&f, 0, sizeof(f));
  70   gpr_join_host_port(&ffd->localaddr, "localhost", port);
  71
  72   f.fixture_data = ffd;
  73   f.cq = grpc_completion_queue_create_for_next(nullptr);
  74   f.shutdown_cq = grpc_completion_queue_create_for_pluck(nullptr);
  75
  76   return f;
  77 }
  78
  79 static void process_auth_failure(void* state, grpc_auth_context* ctx,
  80                                  const grpc_metadata* md, size_t md_count,
  81                                  grpc_process_auth_metadata_done_cb cb,
  82                                  void* user_data) {
  83   GPR_ASSERT(state == nullptr);
  84   cb(user_data, nullptr, 0, nullptr, 0, GRPC_STATUS_UNAUTHENTICATED, nullptr);
  85 }
  86
  87 static void chttp2_init_client_secure_fullstack(
  88     grpc_end2end_test_fixture* f, grpc_channel_args* client_args,
  89     grpc_channel_credentials* creds) {
  90   fullstack_secure_fixture_data* ffd =
  91       static_cast<fullstack_secure_fixture_data*>(f->fixture_data);
  92   f->client =
  93       grpc_secure_channel_create(creds, ffd->localaddr, client_args, nullptr);
  94   GPR_ASSERT(f->client != nullptr);
  95   grpc_channel_credentials_release(creds);
  96 }
  97
  98 static void chttp2_init_server_secure_fullstack(
  99     grpc_end2end_test_fixture* f, grpc_channel_args* server_args,
 100     grpc_server_credentials* server_creds) {
 101   fullstack_secure_fixture_data* ffd =
 102       static_cast<fullstack_secure_fixture_data*>(f->fixture_data);
 103   if (f->server) {
 104     grpc_server_destroy(f->server);
 105   }
 106   ffd->server_credential_reloaded = false;
 107   f->server = grpc_server_create(server_args, nullptr);
 108   grpc_server_register_completion_queue(f->server, f->cq, nullptr);
 109   GPR_ASSERT(grpc_server_add_secure_http2_port(f->server, ffd->localaddr,
 110                                                server_creds));
 111   grpc_server_credentials_release(server_creds);
 112   grpc_server_start(f->server);
 113 }
 114
 115 void chttp2_tear_down_secure_fullstack(grpc_end2end_test_fixture* f) {
 116   fullstack_secure_fixture_data* ffd =
 117       static_cast<fullstack_secure_fixture_data*>(f->fixture_data);
 118   gpr_free(ffd->localaddr);
 119   gpr_free(ffd);
 120 }
 121
 122 static void chttp2_init_client_simple_ssl_secure_fullstack(
 123     grpc_end2end_test_fixture* f, grpc_channel_args* client_args) {
 124   grpc_channel_credentials* ssl_creds =
 125       grpc_ssl_credentials_create(nullptr, nullptr, nullptr, nullptr);
 126   grpc_arg ssl_name_override = {
 127       GRPC_ARG_STRING,
 128       const_cast<char*>(GRPC_SSL_TARGET_NAME_OVERRIDE_ARG),
 129       {const_cast<char*>("foo.test.google.fr")}};
 130   grpc_channel_args* new_client_args =
 131       grpc_channel_args_copy_and_add(client_args, &ssl_name_override, 1);
 132   chttp2_init_client_secure_fullstack(f, new_client_args, ssl_creds);
 133   grpc_channel_args_destroy(new_client_args);
 134 }
 135
 136 static int fail_server_auth_check(grpc_channel_args* server_args) {
 137   size_t i;
 138   if (server_args == nullptr) return 0;
 139   for (i = 0; i < server_args->num_args; i++) {
 140     if (strcmp(server_args->args[i].key, FAIL_AUTH_CHECK_SERVER_ARG_NAME) ==
 141         0) {
 142       return 1;
 143     }
 144   }
 145   return 0;
 146 }
 147
 148 static void chttp2_init_server_simple_ssl_secure_fullstack(
 149     grpc_end2end_test_fixture* f, grpc_channel_args* server_args) {
 150   grpc_ssl_server_credentials_options* options =
 151       grpc_ssl_server_credentials_create_options_using_config_fetcher(
 152           GRPC_SSL_DONT_REQUEST_CLIENT_CERTIFICATE,
 153           ssl_server_certificate_config_callback, f->fixture_data);
 154   grpc_server_credentials* ssl_creds =
 155       grpc_ssl_server_credentials_create_with_options(options);
 156   if (fail_server_auth_check(server_args)) {
 157     grpc_auth_metadata_processor processor = {process_auth_failure, nullptr,
 158                                               nullptr};
 159     grpc_server_credentials_set_auth_metadata_processor(ssl_creds, processor);
 160   }
 161   chttp2_init_server_secure_fullstack(f, server_args, ssl_creds);
 162 }
 163
 164 /* All test configurations */
 165
 166 static grpc_end2end_test_config configs[] = {
 167     {"chttp2/simple_ssl_fullstack",
 168      FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION |
 169          FEATURE_MASK_SUPPORTS_PER_CALL_CREDENTIALS |
 170          FEATURE_MASK_SUPPORTS_CLIENT_CHANNEL |
 171          FEATURE_MASK_SUPPORTS_AUTHORITY_HEADER,
 172      "foo.test.google.fr", chttp2_create_fixture_secure_fullstack,
 173      chttp2_init_client_simple_ssl_secure_fullstack,
 174      chttp2_init_server_simple_ssl_secure_fullstack,
 175      chttp2_tear_down_secure_fullstack},
 176 };
 177
 178 int main(int argc, char** argv) {
 179   size_t i;
 180   FILE* roots_file;
 181   size_t roots_size = strlen(test_root_cert);
 182   char* roots_filename;
 183
 184   grpc::testing::TestEnvironment env(argc, argv);
 185   grpc_end2end_tests_pre_init();
 186
 187   /* Set the SSL roots env var. */
 188   roots_file = gpr_tmpfile("chttp2_simple_ssl_fullstack_test", &roots_filename);
 189   GPR_ASSERT(roots_filename != nullptr);
 190   GPR_ASSERT(roots_file != nullptr);
 191   GPR_ASSERT(fwrite(test_root_cert, 1, roots_size, roots_file) == roots_size);
 192   fclose(roots_file);
 193   GPR_GLOBAL_CONFIG_SET(grpc_default_ssl_roots_file_path, roots_filename);
 194
 195   grpc_init();
 196
 197   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
 198     grpc_end2end_tests(argc, argv, configs[i]);
 199   }
 200
 201   grpc_shutdown();
 202
 203   /* Cleanup. */
 204   remove(roots_filename);
 205   gpr_free(roots_filename);
 206
 207   return 0;
 208 }