mirror of
https://github.com/google/sandboxed-api.git
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92 lines
2.3 KiB
C++
92 lines
2.3 KiB
C++
// Copyright 2023 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "sandboxed_api/sandbox2/network_proxy/testing.h"
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <sys/socket.h>
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#include <thread>
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#include "absl/log/log.h"
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#include "absl/status/status.h"
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#include "absl/strings/string_view.h"
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#include "sandboxed_api/util/fileops.h"
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namespace sandbox2 {
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namespace {
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void ServerThread(int port) {
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sapi::file_util::fileops::FDCloser s{
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socket(AF_INET6, SOCK_STREAM | SOCK_CLOEXEC, 0)};
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if (s.get() < 0) {
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PLOG(ERROR) << "socket() failed";
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return;
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}
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{
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int enable = 1;
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if (setsockopt(s.get(), SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(enable)) <
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0) {
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PLOG(ERROR) << "setsockopt(SO_REUSEADDR) failed";
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return;
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}
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}
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// Listen to localhost only.
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struct sockaddr_in6 addr = {};
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addr.sin6_family = AF_INET6;
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addr.sin6_port = htons(port);
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int err = inet_pton(AF_INET6, "::1", &addr.sin6_addr.s6_addr);
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if (err == 0) {
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LOG(ERROR) << "inet_pton() failed";
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return;
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} else if (err == -1) {
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PLOG(ERROR) << "inet_pton() failed";
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return;
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}
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if (bind(s.get(), (struct sockaddr*)&addr, sizeof(addr)) < 0) {
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PLOG(ERROR) << "bind() failed";
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return;
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}
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if (listen(s.get(), 1) < 0) {
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PLOG(ERROR) << "listen() failed";
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return;
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}
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sapi::file_util::fileops::FDCloser client{accept(s.get(), 0, 0)};
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if (client.get() < 0) {
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PLOG(ERROR) << "accept() failed";
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return;
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}
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constexpr absl::string_view kMsg = "Hello World\n";
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if (write(client.get(), kMsg.data(), kMsg.size()) < 0) {
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PLOG(ERROR) << "write() failed";
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}
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}
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} // namespace
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absl::StatusOr<int> StartNetworkProxyTestServer() {
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static int port = 8085;
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std::thread server_thread([] { ServerThread(++port); });
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server_thread.detach();
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return port;
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}
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} // namespace sandbox2
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