mirror of
https://github.com/google/sandboxed-api.git
synced 2024-03-22 13:11:30 +08:00
91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
// Copyright 2020 Google LLC
|
|
//
|
|
// 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 <linux/futex.h>
|
|
#include <syscall.h>
|
|
#include <uv.h>
|
|
|
|
#include <iostream>
|
|
|
|
#include "sandboxed_api/util/flag.h"
|
|
#include "uv_sapi.sapi.h" // NOLINT(build/include)
|
|
|
|
namespace {
|
|
|
|
class UVSapiHelloworldSandbox : public uv::UVSandbox {
|
|
private:
|
|
std::unique_ptr<sandbox2::Policy> ModifyPolicy(
|
|
sandbox2::PolicyBuilder*) override {
|
|
return sandbox2::PolicyBuilder()
|
|
.AllowDynamicStartup()
|
|
.AllowExit()
|
|
.AllowFutexOp(FUTEX_WAKE_PRIVATE)
|
|
.AllowSyscalls({__NR_epoll_create1, __NR_eventfd2, __NR_pipe2})
|
|
.AllowWrite()
|
|
.BuildOrDie();
|
|
}
|
|
};
|
|
|
|
absl::Status HelloWorld() {
|
|
// Initialize sandbox2 and sapi
|
|
UVSapiHelloworldSandbox sandbox;
|
|
SAPI_RETURN_IF_ERROR(sandbox.Init());
|
|
uv::UVApi api(&sandbox);
|
|
|
|
// Allocate memory for the uv_loop_t object
|
|
void* loop_voidptr;
|
|
SAPI_RETURN_IF_ERROR(
|
|
sandbox.rpc_channel()->Allocate(sizeof(uv_loop_t), &loop_voidptr));
|
|
sapi::v::RemotePtr loop(loop_voidptr);
|
|
|
|
int return_code;
|
|
|
|
// Initialize loop
|
|
SAPI_ASSIGN_OR_RETURN(return_code, api.sapi_uv_loop_init(&loop));
|
|
if (return_code != 0) {
|
|
return absl::UnavailableError("uv_loop_init returned error " + return_code);
|
|
}
|
|
|
|
std::cout << "The loop is about to quit" << std::endl;
|
|
|
|
// Run loop
|
|
SAPI_ASSIGN_OR_RETURN(return_code, api.sapi_uv_run(&loop, UV_RUN_DEFAULT));
|
|
if (return_code != 0) {
|
|
return absl::UnavailableError("uv_run returned error " + return_code);
|
|
}
|
|
|
|
// Close loop
|
|
SAPI_ASSIGN_OR_RETURN(return_code, api.sapi_uv_loop_close(&loop));
|
|
if (return_code != 0) {
|
|
return absl::UnavailableError("uv_loop_close returned error " +
|
|
return_code);
|
|
}
|
|
|
|
return absl::OkStatus();
|
|
}
|
|
|
|
} // namespace
|
|
|
|
int main(int argc, char* argv[]) {
|
|
gflags::ParseCommandLineFlags(&argc, &argv, true);
|
|
google::InitGoogleLogging(argv[0]);
|
|
|
|
if (absl::Status status = HelloWorld(); !status.ok()) {
|
|
LOG(ERROR) << "HelloWorld failed: " << status.ToString();
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|