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/*
*
* Copyright 2018 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 <grpc/support/port_platform.h>
#include <stdlib.h>
#include <string.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
#include "src/core/lib/security/credentials/alts/grpc_alts_credentials_options.h"
#include "src/core/tsi/alts/handshaker/transport_security_common_api.h"
static grpc_alts_credentials_options* alts_client_options_copy(
const grpc_alts_credentials_options* options);
static void alts_client_options_destroy(grpc_alts_credentials_options* options);
static target_service_account* target_service_account_create(
const char* service_account) {
if (service_account == nullptr) {
return nullptr;
}
auto* sa = static_cast<target_service_account*>(
gpr_zalloc(sizeof(target_service_account)));
sa->data = gpr_strdup(service_account);
return sa;
}
bool grpc_alts_credentials_client_options_add_target_service_account(
grpc_alts_credentials_client_options* options,
const char* service_account) {
if (options == nullptr || service_account == nullptr) {
gpr_log(
GPR_ERROR,
"Invalid nullptr arguments to "
"grpc_alts_credentials_client_options_add_target_service_account()");
return false;
}
target_service_account* node = target_service_account_create(service_account);
node->next = options->target_account_list_head;
options->target_account_list_head = node;
return true;
}
static void target_service_account_destroy(
target_service_account* service_account) {
if (service_account == nullptr) {
return;
}
gpr_free(service_account->data);
gpr_free(service_account);
}
static const grpc_alts_credentials_options_vtable vtable = {
alts_client_options_copy, alts_client_options_destroy};
grpc_alts_credentials_options* grpc_alts_credentials_client_options_create() {
auto client_options = static_cast<grpc_alts_credentials_client_options*>(
gpr_zalloc(sizeof(grpc_alts_credentials_client_options)));
client_options->base.vtable = &vtable;
return &client_options->base;
}
static grpc_alts_credentials_options* alts_client_options_copy(
const grpc_alts_credentials_options* options) {
if (options == nullptr) {
return nullptr;
}
grpc_alts_credentials_options* new_options =
grpc_alts_credentials_client_options_create();
auto new_client_options =
reinterpret_cast<grpc_alts_credentials_client_options*>(new_options);
/* Copy target service accounts. */
target_service_account* prev = nullptr;
auto node =
(reinterpret_cast<const grpc_alts_credentials_client_options*>(options))
->target_account_list_head;
while (node != nullptr) {
target_service_account* new_node =
target_service_account_create(node->data);
if (prev == nullptr) {
new_client_options->target_account_list_head = new_node;
} else {
prev->next = new_node;
}
prev = new_node;
node = node->next;
}
/* Copy rpc protocol versions. */
grpc_gcp_rpc_protocol_versions_copy(&options->rpc_versions,
&new_options->rpc_versions);
return new_options;
}
static void alts_client_options_destroy(
grpc_alts_credentials_options* options) {
if (options == nullptr) {
return;
}
auto* client_options =
reinterpret_cast<grpc_alts_credentials_client_options*>(options);
target_service_account* node = client_options->target_account_list_head;
while (node != nullptr) {
target_service_account* next_node = node->next;
target_service_account_destroy(node);
node = next_node;
}
}
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