text: /*
   *
   * 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 "test/core/end2end/end2end_tests.h"
  
  #include <stdio.h>
  #include <string.h>
  
  #include <grpc/support/alloc.h>
  #include <grpc/support/log.h>
  
  #include "src/core/lib/channel/channel_args.h"
  #include "src/core/lib/gpr/host_port.h"
  #include "src/core/lib/iomgr/iomgr.h"
  #include "src/core/lib/security/credentials/credentials.h"
  #include "test/core/end2end/data/ssl_test_data.h"
  #include "test/core/util/port.h"
  #include "test/core/util/test_config.h"
  
  static const char oauth2_md[] = "Bearer aaslkfjs424535asdf";
  static const char* client_identity_property_name = "smurf_name";
  static const char* client_identity = "Brainy Smurf";
  
  typedef struct fullstack_secure_fixture_data {
    char* localaddr;
  } fullstack_secure_fixture_data;
  
  static const grpc_metadata* find_metadata(const grpc_metadata* md,
                                            size_t md_count, const char* key,
                                            const char* value) {
    size_t i;
    for (i = 0; i < md_count; i++) {
      if (grpc_slice_str_cmp(md[i].key, key) == 0 &&
          grpc_slice_str_cmp(md[i].value, value) == 0) {
        return &md[i];
      }
    }
    return nullptr;
  }
  
  typedef struct {
    size_t pseudo_refcount;
  } test_processor_state;
  
  static void process_oauth2_success(void* state, grpc_auth_context* ctx,
                                     const grpc_metadata* md, size_t md_count,
                                     grpc_process_auth_metadata_done_cb cb,
                                     void* user_data) {
    const grpc_metadata* oauth2 =
        find_metadata(md, md_count, "authorization", oauth2_md);
    test_processor_state* s;
  
    GPR_ASSERT(state != nullptr);
    s = static_cast<test_processor_state*>(state);
    GPR_ASSERT(s->pseudo_refcount == 1);
    GPR_ASSERT(oauth2 != nullptr);
    grpc_auth_context_add_cstring_property(ctx, client_identity_property_name,
                                           client_identity);
    GPR_ASSERT(grpc_auth_context_set_peer_identity_property_name(
                   ctx, client_identity_property_name) == 1);
    cb(user_data, oauth2, 1, nullptr, 0, GRPC_STATUS_OK, nullptr);
  }
  
  static void process_oauth2_failure(void* state, grpc_auth_context* ctx,
                                     const grpc_metadata* md, size_t md_count,
                                     grpc_process_auth_metadata_done_cb cb,
                                     void* user_data) {
    const grpc_metadata* oauth2 =
        find_metadata(md, md_count, "authorization", oauth2_md);
    test_processor_state* s;
    GPR_ASSERT(state != nullptr);
    s = static_cast<test_processor_state*>(state);
    GPR_ASSERT(s->pseudo_refcount == 1);
    GPR_ASSERT(oauth2 != nullptr);
    cb(user_data, oauth2, 1, nullptr, 0, GRPC_STATUS_UNAUTHENTICATED, nullptr);
  }
  
  static grpc_end2end_test_fixture chttp2_create_fixture_secure_fullstack(
      grpc_channel_args* client_args, grpc_channel_args* server_args) {
    grpc_end2end_test_fixture f;
    int port = grpc_pick_unused_port_or_die();
    fullstack_secure_fixture_data* ffd =
        static_cast<fullstack_secure_fixture_data*>(
            gpr_malloc(sizeof(fullstack_secure_fixture_data)));
    memset(&f, 0, sizeof(f));
  
    gpr_join_host_port(&ffd->localaddr, "localhost", port);
  
    f.fixture_data = ffd;
    f.cq = grpc_completion_queue_create_for_next(nullptr);
    f.shutdown_cq = grpc_completion_queue_create_for_pluck(nullptr);
  
    return f;
  }
  
  static void chttp2_init_client_secure_fullstack(
      grpc_end2end_test_fixture* f, grpc_channel_args* client_args,
      grpc_channel_credentials* creds) {
    fullstack_secure_fixture_data* ffd =
        static_cast<fullstack_secure_fixture_data*>(f->fixture_data);
    f->client =
        grpc_secure_channel_create(creds, ffd->localaddr, client_args, nullptr);
    GPR_ASSERT(f->client != nullptr);
    grpc_channel_credentials_release(creds);
  }
  
  static void chttp2_init_server_secure_fullstack(
      grpc_end2end_test_fixture* f, grpc_channel_args* server_args,
      grpc_server_credentials* server_creds) {
    fullstack_secure_fixture_data* ffd =
        static_cast<fullstack_secure_fixture_data*>(f->fixture_data);
    if (f->server) {
      grpc_server_destroy(f->server);
    }
    f->server = grpc_server_create(server_args, nullptr);
    grpc_server_register_completion_queue(f->server, f->cq, nullptr);
    GPR_ASSERT(grpc_server_add_secure_http2_port(f->server, ffd->localaddr,
                                                 server_creds));
    grpc_server_credentials_release(server_creds);
    grpc_server_start(f->server);
  }
  
  void chttp2_tear_down_secure_fullstack(grpc_end2end_test_fixture* f) {
    fullstack_secure_fixture_data* ffd =
        static_cast<fullstack_secure_fixture_data*>(f->fixture_data);
    gpr_free(ffd->localaddr);
    gpr_free(ffd);
  }
  
  static void chttp2_init_client_simple_ssl_with_oauth2_secure_fullstack(
      grpc_end2end_test_fixture* f, grpc_channel_args* client_args) {
    grpc_core::ExecCtx exec_ctx;
    grpc_channel_credentials* ssl_creds =
        grpc_ssl_credentials_create(test_root_cert, nullptr, nullptr);
    grpc_call_credentials* oauth2_creds = grpc_md_only_test_credentials_create(
        "authorization", oauth2_md, true /* is_async */);
    grpc_channel_credentials* ssl_oauth2_creds =
        grpc_composite_channel_credentials_create(ssl_creds, oauth2_creds,
                                                  nullptr);
    grpc_arg ssl_name_override = {
        GRPC_ARG_STRING,
        const_cast<char*>(GRPC_SSL_TARGET_NAME_OVERRIDE_ARG),
        {const_cast<char*>("foo.test.google.fr")}};
    grpc_channel_args* new_client_args =
        grpc_channel_args_copy_and_add(client_args, &ssl_name_override, 1);
    chttp2_init_client_secure_fullstack(f, new_client_args, ssl_oauth2_creds);
    grpc_channel_args_destroy(new_client_args);
    grpc_channel_credentials_release(ssl_creds);
    grpc_call_credentials_release(oauth2_creds);
  }
  
  static int fail_server_auth_check(grpc_channel_args* server_args) {
    size_t i;
    if (server_args == nullptr) return 0;
    for (i = 0; i < server_args->num_args; i++) {
      if (strcmp(server_args->args[i].key, FAIL_AUTH_CHECK_SERVER_ARG_NAME) ==
          0) {
        return 1;
      }
    }
    return 0;
  }
  
  static void processor_destroy(void* state) {
    test_processor_state* s = static_cast<test_processor_state*>(state);
    GPR_ASSERT((s->pseudo_refcount--) == 1);
    gpr_free(s);
  }
  
  static grpc_auth_metadata_processor test_processor_create(int failing) {
    test_processor_state* s =
        static_cast<test_processor_state*>(gpr_malloc(sizeof(*s)));
    grpc_auth_metadata_processor result;
    s->pseudo_refcount = 1;
    result.state = s;
    result.destroy = processor_destroy;
    if (failing) {
      result.process = process_oauth2_failure;
    } else {
      result.process = process_oauth2_success;
    }
    return result;
  }
  
  static void chttp2_init_server_simple_ssl_secure_fullstack(
      grpc_end2end_test_fixture* f, grpc_channel_args* server_args) {
    grpc_ssl_pem_key_cert_pair pem_key_cert_pair = {test_server1_key,
                                                    test_server1_cert};
    grpc_server_credentials* ssl_creds = grpc_ssl_server_credentials_create(
        nullptr, &pem_key_cert_pair, 1, 0, nullptr);
    grpc_server_credentials_set_auth_metadata_processor(
        ssl_creds, test_processor_create(fail_server_auth_check(server_args)));
    chttp2_init_server_secure_fullstack(f, server_args, ssl_creds);
  }
  
  /* All test configurations */
  
  static grpc_end2end_test_config configs[] = {
      {"chttp2/simple_ssl_with_oauth2_fullstack",
       FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION |
           FEATURE_MASK_SUPPORTS_PER_CALL_CREDENTIALS |
           FEATURE_MASK_SUPPORTS_CLIENT_CHANNEL |
           FEATURE_MASK_SUPPORTS_AUTHORITY_HEADER,
       "foo.test.google.fr", chttp2_create_fixture_secure_fullstack,
       chttp2_init_client_simple_ssl_with_oauth2_secure_fullstack,
       chttp2_init_server_simple_ssl_secure_fullstack,
       chttp2_tear_down_secure_fullstack},
  };
  
  int main(int argc, char** argv) {
    size_t i;
    grpc_test_init(argc, argv);
    grpc_end2end_tests_pre_init();
    grpc_init();
  
    for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
      grpc_end2end_tests(argc, argv, configs[i]);
    }
  
    grpc_shutdown();
  
    return 0;
  }
  