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