sandboxed-api/oss-internship-2020/gdal/raster_to_gtiff/gdal_sandbox.h
Sandboxed API Team f086c39f42 Update clients of PolicyBuilder to support architectures other than x86_64.
PiperOrigin-RevId: 500181306
Change-Id: Ibf3e5e3ac6214394f2d9ab10cf30de6d8396988d
2023-01-06 14:31:59 -08:00

65 lines
2.1 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 RASTER_TO_GTIFF_GDAL_SANDBOX_H_
#define RASTER_TO_GTIFF_GDAL_SANDBOX_H_
#include <syscall.h>
#include <string>
#include "gdal_sapi.sapi.h" // NOLINT(build/include)
namespace gdal::sandbox {
class GdalSapiSandbox : public GdalSandbox {
public:
GdalSapiSandbox(std::string out_directory_path, std::string proj_db_path,
time_t time_limit = 0)
: out_directory_path_(std::move(out_directory_path)),
proj_db_path_(std::move(proj_db_path)) {
SetWallTimeLimit(time_limit).IgnoreError();
}
private:
std::unique_ptr<sandbox2::Policy> ModifyPolicy(
sandbox2::PolicyBuilder*) override {
return sandbox2::PolicyBuilder()
.AllowDynamicStartup()
.AllowRead()
.AllowSystemMalloc()
.AllowWrite()
.AllowExit()
.AllowOpen()
.AllowSyscall(__NR_futex)
.AllowSyscall(__NR_getdents64) // DriverRegisterAll()
.AllowSyscall(__NR_lseek) // GDALCreate()
.AllowSyscall(__NR_getpid) // GDALCreate()
.AllowSyscall(__NR_sysinfo) // VSI_TIFFOpen_common()
.AllowSyscall(__NR_prlimit64) // CPLGetUsablePhysicalRAM()
.AllowSyscall(__NR_ftruncate) // GTiffDataset::FillEmptyTiles()
.AllowUnlink() // GDALDriver::Delete()
.AddFile(proj_db_path_) // proj.db is required for some projections
.AddDirectory(out_directory_path_, /*is_ro=*/false)
.BuildOrDie();
}
std::string out_directory_path_;
std::string proj_db_path_;
};
} // namespace gdal::sandbox
#endif // RASTER_TO_GTIFF_GDAL_SANDBOX_H_