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/*
*
* Copyright 2016 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 <arpa/inet.h>
#include <openssl/err.h>
#include <openssl/ssl.h>
#include <string.h>
#include <sys/socket.h>
#include <unistd.h>
#include <grpc/grpc.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/sync.h>
#include <grpc/support/thd.h>
#include "src/core/lib/iomgr/load_file.h"
#include "test/core/util/port.h"
#include "test/core/util/test_config.h"
#include "src/core/lib/channel/handshaker_factory.h"
#include "src/core/lib/channel/handshaker_registry.h"
#include "src/core/lib/security/transport/security_handshaker.h"
#include "test/core/handshake/server_ssl_common.h"
/* The purpose of this test is to exercise the case when a
* grpc *security_handshaker* begins its handshake with data already
* in the read buffer of the handshaker arg. This scenario is created by
* adding a fake "readahead" handshaker at the beginning of the server's
* handshaker list, which just reads from the connection and then places
* read bytes into the read buffer of the handshake arg (to be passed down
* to the security_handshaker). This test is meant to protect code relying on
* this functionality that lives outside of this repo. */
static void readahead_handshaker_destroy(grpc_exec_ctx *ctx,
grpc_handshaker *handshaker) {
gpr_free(handshaker);
}
static void readahead_handshaker_shutdown(grpc_exec_ctx *ctx,
grpc_handshaker *handshaker,
grpc_error *error) {}
static void readahead_handshaker_do_handshake(
grpc_exec_ctx *ctx, grpc_handshaker *handshaker,
grpc_tcp_server_acceptor *acceptor, grpc_closure *on_handshake_done,
grpc_handshaker_args *args) {
grpc_endpoint_read(ctx, args->endpoint, args->read_buffer, on_handshake_done);
}
const grpc_handshaker_vtable readahead_handshaker_vtable = {
readahead_handshaker_destroy, readahead_handshaker_shutdown,
readahead_handshaker_do_handshake};
static grpc_handshaker *readahead_handshaker_create(grpc_exec_ctx *ctx) {
grpc_handshaker *h = (grpc_handshaker *)gpr_zalloc(sizeof(grpc_handshaker));
grpc_handshaker_init(&readahead_handshaker_vtable, h);
return h;
}
static void readahead_handshaker_factory_add_handshakers(
grpc_exec_ctx *exec_ctx, grpc_handshaker_factory *hf,
const grpc_channel_args *args, grpc_handshake_manager *handshake_mgr) {
grpc_handshake_manager_add(handshake_mgr,
readahead_handshaker_create(exec_ctx));
}
static void readahead_handshaker_factory_destroy(
grpc_exec_ctx *exec_ctx, grpc_handshaker_factory *handshaker_factory) {}
static const grpc_handshaker_factory_vtable
readahead_handshaker_factory_vtable = {
readahead_handshaker_factory_add_handshakers,
readahead_handshaker_factory_destroy};
int main(int argc, char *argv[]) {
grpc_handshaker_factory readahead_handshaker_factory = {
&readahead_handshaker_factory_vtable};
grpc_init();
grpc_handshaker_factory_register(true /* at_start */, HANDSHAKER_SERVER,
&readahead_handshaker_factory);
const char *full_alpn_list[] = {"grpc-exp", "h2"};
GPR_ASSERT(server_ssl_test(full_alpn_list, 2, "grpc-exp"));
grpc_shutdown();
return 0;
}
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