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      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/iomgr/iomgr.h"
     30 #include "src/core/lib/security/credentials/credentials.h"
     31 #include "test/core/end2end/data/ssl_test_data.h"
     32 #include "test/core/util/port.h"
     33 #include "test/core/util/test_config.h"
     34 
     35 static const char oauth2_md[] = "Bearer aaslkfjs424535asdf";
     36 static const char* client_identity_property_name = "smurf_name";
     37 static const char* client_identity = "Brainy Smurf";
     38 
     39 typedef struct fullstack_secure_fixture_data {
     40   char* localaddr;
     41 } fullstack_secure_fixture_data;
     42 
     43 static const grpc_metadata* find_metadata(const grpc_metadata* md,
     44                                           size_t md_count, const char* key,
     45                                           const char* value) {
     46   size_t i;
     47   for (i = 0; i < md_count; i++) {
     48     if (grpc_slice_str_cmp(md[i].key, key) == 0 &&
     49         grpc_slice_str_cmp(md[i].value, value) == 0) {
     50       return &md[i];
     51     }
     52   }
     53   return nullptr;
     54 }
     55 
     56 typedef struct {
     57   size_t pseudo_refcount;
     58 } test_processor_state;
     59 
     60 static void process_oauth2_success(void* state, grpc_auth_context* ctx,
     61                                    const grpc_metadata* md, size_t md_count,
     62                                    grpc_process_auth_metadata_done_cb cb,
     63                                    void* user_data) {
     64   const grpc_metadata* oauth2 =
     65       find_metadata(md, md_count, "authorization", oauth2_md);
     66   test_processor_state* s;
     67 
     68   GPR_ASSERT(state != nullptr);
     69   s = static_cast<test_processor_state*>(state);
     70   GPR_ASSERT(s->pseudo_refcount == 1);
     71   GPR_ASSERT(oauth2 != nullptr);
     72   grpc_auth_context_add_cstring_property(ctx, client_identity_property_name,
     73                                          client_identity);
     74   GPR_ASSERT(grpc_auth_context_set_peer_identity_property_name(
     75                  ctx, client_identity_property_name) == 1);
     76   cb(user_data, oauth2, 1, nullptr, 0, GRPC_STATUS_OK, nullptr);
     77 }
     78 
     79 static void process_oauth2_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   const grpc_metadata* oauth2 =
     84       find_metadata(md, md_count, "authorization", oauth2_md);
     85   test_processor_state* s;
     86   GPR_ASSERT(state != nullptr);
     87   s = static_cast<test_processor_state*>(state);
     88   GPR_ASSERT(s->pseudo_refcount == 1);
     89   GPR_ASSERT(oauth2 != nullptr);
     90   cb(user_data, oauth2, 1, nullptr, 0, GRPC_STATUS_UNAUTHENTICATED, nullptr);
     91 }
     92 
     93 static grpc_end2end_test_fixture chttp2_create_fixture_secure_fullstack(
     94     grpc_channel_args* client_args, grpc_channel_args* server_args) {
     95   grpc_end2end_test_fixture f;
     96   int port = grpc_pick_unused_port_or_die();
     97   fullstack_secure_fixture_data* ffd =
     98       static_cast<fullstack_secure_fixture_data*>(
     99           gpr_malloc(sizeof(fullstack_secure_fixture_data)));
    100   memset(&f, 0, sizeof(f));
    101 
    102   gpr_join_host_port(&ffd->localaddr, "localhost", port);
    103 
    104   f.fixture_data = ffd;
    105   f.cq = grpc_completion_queue_create_for_next(nullptr);
    106   f.shutdown_cq = grpc_completion_queue_create_for_pluck(nullptr);
    107 
    108   return f;
    109 }
    110 
    111 static void chttp2_init_client_secure_fullstack(
    112     grpc_end2end_test_fixture* f, grpc_channel_args* client_args,
    113     grpc_channel_credentials* creds) {
    114   fullstack_secure_fixture_data* ffd =
    115       static_cast<fullstack_secure_fixture_data*>(f->fixture_data);
    116   f->client =
    117       grpc_secure_channel_create(creds, ffd->localaddr, client_args, nullptr);
    118   GPR_ASSERT(f->client != nullptr);
    119   grpc_channel_credentials_release(creds);
    120 }
    121 
    122 static void chttp2_init_server_secure_fullstack(
    123     grpc_end2end_test_fixture* f, grpc_channel_args* server_args,
    124     grpc_server_credentials* server_creds) {
    125   fullstack_secure_fixture_data* ffd =
    126       static_cast<fullstack_secure_fixture_data*>(f->fixture_data);
    127   if (f->server) {
    128     grpc_server_destroy(f->server);
    129   }
    130   f->server = grpc_server_create(server_args, nullptr);
    131   grpc_server_register_completion_queue(f->server, f->cq, nullptr);
    132   GPR_ASSERT(grpc_server_add_secure_http2_port(f->server, ffd->localaddr,
    133                                                server_creds));
    134   grpc_server_credentials_release(server_creds);
    135   grpc_server_start(f->server);
    136 }
    137 
    138 void chttp2_tear_down_secure_fullstack(grpc_end2end_test_fixture* f) {
    139   fullstack_secure_fixture_data* ffd =
    140       static_cast<fullstack_secure_fixture_data*>(f->fixture_data);
    141   gpr_free(ffd->localaddr);
    142   gpr_free(ffd);
    143 }
    144 
    145 static void chttp2_init_client_simple_ssl_with_oauth2_secure_fullstack(
    146     grpc_end2end_test_fixture* f, grpc_channel_args* client_args) {
    147   grpc_core::ExecCtx exec_ctx;
    148   grpc_channel_credentials* ssl_creds =
    149       grpc_ssl_credentials_create(test_root_cert, nullptr, nullptr, nullptr);
    150   grpc_call_credentials* oauth2_creds = grpc_md_only_test_credentials_create(
    151       "authorization", oauth2_md, true /* is_async */);
    152   grpc_channel_credentials* ssl_oauth2_creds =
    153       grpc_composite_channel_credentials_create(ssl_creds, oauth2_creds,
    154                                                 nullptr);
    155   grpc_arg ssl_name_override = {
    156       GRPC_ARG_STRING,
    157       const_cast<char*>(GRPC_SSL_TARGET_NAME_OVERRIDE_ARG),
    158       {const_cast<char*>("foo.test.google.fr")}};
    159   grpc_channel_args* new_client_args =
    160       grpc_channel_args_copy_and_add(client_args, &ssl_name_override, 1);
    161   chttp2_init_client_secure_fullstack(f, new_client_args, ssl_oauth2_creds);
    162   grpc_channel_args_destroy(new_client_args);
    163   grpc_channel_credentials_release(ssl_creds);
    164   grpc_call_credentials_release(oauth2_creds);
    165 }
    166 
    167 static int fail_server_auth_check(grpc_channel_args* server_args) {
    168   size_t i;
    169   if (server_args == nullptr) return 0;
    170   for (i = 0; i < server_args->num_args; i++) {
    171     if (strcmp(server_args->args[i].key, FAIL_AUTH_CHECK_SERVER_ARG_NAME) ==
    172         0) {
    173       return 1;
    174     }
    175   }
    176   return 0;
    177 }
    178 
    179 static void processor_destroy(void* state) {
    180   test_processor_state* s = static_cast<test_processor_state*>(state);
    181   GPR_ASSERT((s->pseudo_refcount--) == 1);
    182   gpr_free(s);
    183 }
    184 
    185 static grpc_auth_metadata_processor test_processor_create(int failing) {
    186   test_processor_state* s =
    187       static_cast<test_processor_state*>(gpr_malloc(sizeof(*s)));
    188   grpc_auth_metadata_processor result;
    189   s->pseudo_refcount = 1;
    190   result.state = s;
    191   result.destroy = processor_destroy;
    192   if (failing) {
    193     result.process = process_oauth2_failure;
    194   } else {
    195     result.process = process_oauth2_success;
    196   }
    197   return result;
    198 }
    199 
    200 static void chttp2_init_server_simple_ssl_secure_fullstack(
    201     grpc_end2end_test_fixture* f, grpc_channel_args* server_args) {
    202   grpc_ssl_pem_key_cert_pair pem_key_cert_pair = {test_server1_key,
    203                                                   test_server1_cert};
    204   grpc_server_credentials* ssl_creds = grpc_ssl_server_credentials_create(
    205       nullptr, &pem_key_cert_pair, 1, 0, nullptr);
    206   grpc_server_credentials_set_auth_metadata_processor(
    207       ssl_creds, test_processor_create(fail_server_auth_check(server_args)));
    208   chttp2_init_server_secure_fullstack(f, server_args, ssl_creds);
    209 }
    210 
    211 /* All test configurations */
    212 
    213 static grpc_end2end_test_config configs[] = {
    214     {"chttp2/simple_ssl_with_oauth2_fullstack",
    215      FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION |
    216          FEATURE_MASK_SUPPORTS_PER_CALL_CREDENTIALS |
    217          FEATURE_MASK_SUPPORTS_CLIENT_CHANNEL |
    218          FEATURE_MASK_SUPPORTS_AUTHORITY_HEADER,
    219      "foo.test.google.fr", chttp2_create_fixture_secure_fullstack,
    220      chttp2_init_client_simple_ssl_with_oauth2_secure_fullstack,
    221      chttp2_init_server_simple_ssl_secure_fullstack,
    222      chttp2_tear_down_secure_fullstack},
    223 };
    224 
    225 int main(int argc, char** argv) {
    226   size_t i;
    227   grpc_test_init(argc, argv);
    228   grpc_end2end_tests_pre_init();
    229   grpc_init();
    230 
    231   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
    232     grpc_end2end_tests(argc, argv, configs[i]);
    233   }
    234 
    235   grpc_shutdown();
    236 
    237   return 0;
    238 }
    239