sandboxed-api/oss-internship-2020/curl/sandbox.h
Sandboxed API Team f086c39f42 Update clients of PolicyBuilder to support architectures other than x86_64.
PiperOrigin-RevId: 500181306
Change-Id: Ibf3e5e3ac6214394f2d9ab10cf30de6d8396988d
2023-01-06 14:31:59 -08:00

73 lines
2.1 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
//
// https://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.
#ifndef SANDBOX_H_
#define SANDBOX_H_
#include <linux/futex.h>
#include <sys/mman.h> // For mmap arguments
#include <syscall.h>
#include <cstdlib>
#include "curl_sapi.sapi.h" // NOLINT(build/include)
#include "sandboxed_api/sandbox2/util/bpf_helper.h"
namespace curl {
class CurlSapiSandbox : public curl::CurlSandbox {
protected:
std::unique_ptr<sandbox2::Policy> ModifyPolicy(
sandbox2::PolicyBuilder*) override {
// Return a new policy
return sandbox2::PolicyBuilder()
.AllowDynamicStartup()
.AllowExit()
.AllowFork()
.AllowFutexOp(FUTEX_WAIT_PRIVATE)
.AllowFutexOp(FUTEX_WAKE_PRIVATE)
.AllowFutexOp(FUTEX_REQUEUE_PRIVATE)
.AllowMmap()
.AllowOpen()
.AllowSafeFcntl()
.AllowWrite()
.AllowAccess()
.AllowSyscall(__NR_accept)
.AllowSyscall(__NR_bind)
.AllowSyscall(__NR_connect)
.AllowSyscall(__NR_getpeername)
.AllowSyscall(__NR_getsockname)
.AllowSyscall(__NR_getsockopt)
.AllowSyscall(__NR_ioctl)
.AllowSyscall(__NR_listen)
.AllowSyscall(__NR_madvise)
.AllowPoll()
.AllowSyscall(__NR_recvfrom)
.AllowSyscall(__NR_recvmsg)
.AllowSyscall(__NR_rt_sigaction)
.AllowSyscall(__NR_sendmmsg)
.AllowSyscall(__NR_sendto)
.AllowSyscall(__NR_setsockopt)
.AllowSyscall(__NR_socket)
.AllowSyscall(__NR_sysinfo)
.AddDirectory("/lib")
.AllowUnrestrictedNetworking()
.BuildOrDie();
}
};
} // namespace curl
#endif // SANDBOX_H_