sandboxed-api/contrib/libraw/sandboxed.h

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// Copyright 2022 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 CONTRIB_LIBRAW_SANDBOXED_H_
#define CONTRIB_LIBRAW_SANDBOXED_H_
#include <libgen.h>
#include <syscall.h>
#include <memory>
#include <string>
#include "sapi_libraw.sapi.h" // NOLINT(build/include)
class LibRawSapiSandbox : public LibRawSandbox {
public:
explicit LibRawSapiSandbox(std::string file_name)
: file_name_(std::move(file_name)) {}
private:
std::unique_ptr<sandbox2::Policy> ModifyPolicy(
sandbox2::PolicyBuilder*) override {
return sandbox2::PolicyBuilder()
.AllowDynamicStartup()
.AllowOpen()
.AllowRead()
.AllowWrite()
.AllowSystemMalloc()
.AllowExit()
.AllowSyscalls({__NR_recvmsg})
.AddFile(file_name_, /*is_ro=*/true)
.BuildOrDie();
}
std::string file_name_;
};
#endif // CONTRIB_LIBRAW_SANDBOXED_H_