sandboxed-api/contrib/lodepng/examples/sandbox.h
Christian Blichmann 4ec09d0061 Update and move lodepng to contrib/
- Drop patch from `CMakeLists.txt` in favor forcing C compilation
- Use `sapi` namespace and new logging integration
- Update sandbox policy to allow to retrieve thread ids
- Add tests to GitHub Workflow

PiperOrigin-RevId: 454133584
Change-Id: I50946245c723eb1e496ed1403b70ba08d977494e
2022-06-10 04:24:12 -07:00

51 lines
1.5 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 CONTRIB_LODEPNG_EXAMPLES_SANDBOX_H_
#define CONTRIB_LODEPNG_EXAMPLES_SANDBOX_H_
#include <syscall.h>
#include "lodepng_sapi.sapi.h" // NOLINT(build/include)
class SapiLodepngSandbox : public LodepngSandbox {
public:
explicit SapiLodepngSandbox(const std::string& images_path)
: images_path_(images_path) {}
private:
std::unique_ptr<sandbox2::Policy> ModifyPolicy(
sandbox2::PolicyBuilder*) override {
return sandbox2::PolicyBuilder()
.AllowRead()
.AllowWrite()
.AllowOpen()
.AllowSystemMalloc()
.AllowExit()
.AllowStat()
.AllowGetPIDs()
.AddDirectoryAt(images_path_, "/output/", /*is_ro=*/false)
.AllowSyscalls({
__NR_futex,
__NR_lseek,
__NR_close,
})
.BuildOrDie();
}
const std::string images_path_;
};
#endif // CONTRIB_LODEPNG_EXAMPLES_SANDBOX__