mirror of
https://github.com/google/sandboxed-api.git
synced 2024-03-22 13:11:30 +08:00
76 lines
2.2 KiB
C++
76 lines
2.2 KiB
C++
// Copyright 2019 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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// A binary that uses a buffer from its executor.
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#include <cstdio>
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#include <cstdlib>
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#include "absl/strings/str_format.h"
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#include "sandboxed_api/sandbox2/buffer.h"
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#include "sandboxed_api/sandbox2/comms.h"
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int main(int argc, char** argv) {
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if (argc != 2) {
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absl::FPrintF(stderr, "argc != 2\n");
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return EXIT_FAILURE;
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}
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int testno = atoi(argv[1]); // NOLINT
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switch (testno) {
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case 1: // Dup and map to static FD
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{
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auto buffer_or = sandbox2::Buffer::CreateFromFd(3);
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if (!buffer_or) {
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return EXIT_FAILURE;
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}
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auto buffer = std::move(buffer_or).ValueOrDie();
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uint8_t* buf = buffer->data();
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// Test that we can read data from the executor.
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if (buf[0] != 'A') {
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return EXIT_FAILURE;
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}
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// Test that we can write data to the executor.
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buf[buffer->size() - 1] = 'B';
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return EXIT_SUCCESS;
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}
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case 2: // Send and receive FD
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{
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sandbox2::Comms comms(sandbox2::Comms::kSandbox2ClientCommsFD);
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int fd;
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if (!comms.RecvFD(&fd)) {
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return EXIT_FAILURE;
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}
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auto buffer_or = sandbox2::Buffer::CreateFromFd(fd);
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if (!buffer_or) {
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return EXIT_FAILURE;
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}
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auto buffer = std::move(buffer_or).ValueOrDie();
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uint8_t* buf = buffer->data();
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// Test that we can read data from the executor.
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if (buf[0] != 'A') {
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return EXIT_FAILURE;
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}
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// Test that we can write data to the executor.
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buf[buffer->size() - 1] = 'B';
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return EXIT_SUCCESS;
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}
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default:
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absl::FPrintF(stderr, "Unknown test: %d\n", testno);
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return EXIT_FAILURE;
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}
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}
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