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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 "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_handshaker* handshaker) {
gpr_free(handshaker);
}
static void readahead_handshaker_shutdown(grpc_handshaker* handshaker,
grpc_error* error) {}
static void readahead_handshaker_do_handshake(
grpc_handshaker* handshaker, grpc_tcp_server_acceptor* acceptor,
grpc_closure* on_handshake_done, grpc_handshaker_args* args) {
grpc_endpoint_read(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, "read_ahead"};
static grpc_handshaker* readahead_handshaker_create() {
grpc_handshaker* h =
static_cast<grpc_handshaker*>(gpr_zalloc(sizeof(grpc_handshaker)));
grpc_handshaker_init(&readahead_handshaker_vtable, h);
return h;
}
static void readahead_handshaker_factory_add_handshakers(
grpc_handshaker_factory* hf, const grpc_channel_args* args,
grpc_pollset_set* interested_parties,
grpc_handshake_manager* handshake_mgr) {
grpc_handshake_manager_add(handshake_mgr, readahead_handshaker_create());
}
static void readahead_handshaker_factory_destroy(
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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