mirror of
https://github.com/google/sandboxed-api.git
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64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
// Copyright 2020 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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// http://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 <linux/futex.h>
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#include <syscall.h>
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#include <utility>
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#include <vector>
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#include "libpng_sapi.sapi.h"
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namespace {
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class LibPNGSapiSandbox : public LibPNGSandbox {
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public:
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void AddFile(const std::string& file) { files_.push_back(file); }
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private:
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std::unique_ptr<sandbox2::Policy> ModifyPolicy(
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sandbox2::PolicyBuilder*) override {
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auto builder = std::make_unique<sandbox2::PolicyBuilder>();
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(*builder)
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.AllowRead()
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.AllowStaticStartup()
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.AllowWrite()
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.AllowOpen()
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.AllowExit()
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.AllowStat()
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.AllowMmap()
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.AllowSystemMalloc()
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.AllowSyscalls({
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__NR_futex,
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__NR_close,
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__NR_lseek,
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__NR_gettid,
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__NR_sysinfo,
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__NR_munmap,
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__NR_recvmsg,
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__NR_fcntl,
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});
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for (const auto& file : files_) {
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builder->AddFile(file, /*is_ro=*/false);
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}
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return builder.get()->BuildOrDie();
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}
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std::vector<std::string> files_;
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};
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} // namespace
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