mirror of
https://github.com/google/sandboxed-api.git
synced 2024-03-22 13:11:30 +08:00
96 lines
3.3 KiB
C++
96 lines
3.3 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
|
|
//
|
|
// http://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.
|
|
|
|
#include <cstdlib>
|
|
#include <iostream>
|
|
|
|
#include "jsonnet_base_sandbox.h" // NOLINT(build/include)
|
|
#include "sandboxed_api/sandbox2/util/fileops.h"
|
|
#include "sandboxed_api/sandbox2/util/path.h"
|
|
|
|
absl::Status JsonnetMain(std::string in_file, std::string out_file) {
|
|
using sandbox2::file::JoinPath;
|
|
using sandbox2::file_util::fileops::Basename;
|
|
|
|
// Initialize sandbox.
|
|
JsonnetBaseSandbox sandbox(in_file, out_file);
|
|
SAPI_RETURN_IF_ERROR(sandbox.Init())
|
|
|
|
JsonnetApi api(&sandbox);
|
|
|
|
// Initialize library's main structure.
|
|
SAPI_ASSIGN_OR_RETURN(JsonnetVm * jsonnet_vm, api.c_jsonnet_make());
|
|
sapi::v::RemotePtr vm_pointer(jsonnet_vm);
|
|
|
|
// Read input file.
|
|
std::string in_file_in_sandboxee(JoinPath("/input", Basename(in_file)));
|
|
sapi::v::ConstCStr in_file_var(in_file_in_sandboxee.c_str());
|
|
SAPI_ASSIGN_OR_RETURN(char* input,
|
|
api.c_read_input(false, in_file_var.PtrBefore()));
|
|
|
|
// Process jsonnet data.
|
|
sapi::v::RemotePtr input_pointer(input);
|
|
sapi::v::Int error;
|
|
SAPI_ASSIGN_OR_RETURN(char* output, api.c_jsonnet_evaluate_snippet_stream(
|
|
&vm_pointer, in_file_var.PtrBefore(),
|
|
&input_pointer, error.PtrAfter()));
|
|
CHECK(!error.GetValue())
|
|
<< "Jsonnet code evaluation failed: " << error.GetValue() << "\n"
|
|
<< "Make sure all files used by your jsonnet file are in the same "
|
|
"directory as your file.";
|
|
|
|
// Write data to file.
|
|
std::string out_file_in_sandboxee(JoinPath("/output", Basename(out_file)));
|
|
sapi::v::ConstCStr out_file_var(out_file_in_sandboxee.c_str());
|
|
sapi::v::RemotePtr output_pointer(output);
|
|
|
|
SAPI_ASSIGN_OR_RETURN(
|
|
bool success,
|
|
api.c_write_output_file(&output_pointer, out_file_var.PtrBefore()));
|
|
CHECK(success) << "Writing to output file failed: " << success;
|
|
|
|
// Clean up.
|
|
SAPI_ASSIGN_OR_RETURN(char* result,
|
|
api.c_jsonnet_realloc(&vm_pointer, &output_pointer, 0));
|
|
SAPI_RETURN_IF_ERROR(api.c_jsonnet_destroy(&vm_pointer));
|
|
SAPI_RETURN_IF_ERROR(api.c_free_input(&input_pointer));
|
|
|
|
return absl::OkStatus();
|
|
}
|
|
|
|
int main(int argc, char* argv[]) {
|
|
using sandbox2::file_util::fileops::Basename;
|
|
|
|
google::InitGoogleLogging(argv[0]);
|
|
gflags::ParseCommandLineFlags(&argc, &argv, true);
|
|
|
|
if (!(argc == 3)) {
|
|
std::cerr << "Usage:\n"
|
|
<< Basename(argv[0])
|
|
<< " /absolute/path/to/INPUT.jsonnet /absolute/path/to/OUTPUT\n";
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
std::string in_file(argv[1]);
|
|
std::string out_file(argv[2]);
|
|
|
|
absl::Status status = JsonnetMain(in_file, out_file);
|
|
if (!status.ok()) {
|
|
LOG(ERROR) << "Failed: " << status.ToString();
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|