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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_SandboxBrokerClient_h
#define mozilla_SandboxBrokerClient_h
#include "broker/SandboxBrokerCommon.h"
#include "broker/SandboxBrokerUtils.h"
#include "mozilla/Attributes.h"
// This is the client for the sandbox broker described in
// broker/SandboxBroker.h; its constructor takes the file descriptor
// returned by SandboxBroker::Create, passed to the child over IPC.
//
// The operations exposed here can be called from any thread and in
// async signal handlers, like the corresponding system calls. The
// intended use is from a seccomp-bpf SIGSYS handler, to transparently
// replace those syscalls, but they could also be used directly.
struct stat;
namespace mozilla {
class SandboxBrokerClient final : private SandboxBrokerCommon {
public:
explicit SandboxBrokerClient(int aFd);
~SandboxBrokerClient();
int Open(const char* aPath, int aFlags);
int Access(const char* aPath, int aMode);
int Stat(const char* aPath, statstruct* aStat);
int LStat(const char* aPath, statstruct* aStat);
int Chmod(const char* aPath, int aMode);
int Link(const char* aPath, const char* aPath2);
int Mkdir(const char* aPath, int aMode);
int Symlink(const char* aOldPath, const char* aNewPath);
int Rename(const char* aOldPath, const char* aNewPath);
int Unlink(const char* aPath);
int Rmdir(const char* aPath);
int Readlink(const char* aPath, void* aBuf, size_t aBufSize);
private:
int mFileDesc;
int DoCall(const Request* aReq,
const char* aPath,
const char* aPath2,
void *aReponseBuff,
bool expectFd);
};
} // namespace mozilla
#endif // mozilla_SandboxBrokerClient_h
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