mirror of
https://github.com/google/sandboxed-api.git
synced 2024-03-22 13:11:30 +08:00
120 lines
3.6 KiB
C++
120 lines
3.6 KiB
C++
// Copyright 2020 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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// Sandboxed version of multi-poll.c
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// HTTP GET request with polling
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#include <cstdlib>
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#include <iostream>
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#include "curl_sapi.sapi.h"
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#include "sandboxed_api/util/flag.h"
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class CurlApiSandboxEx4 : public CurlSandbox {
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private:
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std::unique_ptr<sandbox2::Policy> ModifyPolicy(
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sandbox2::PolicyBuilder*) override {
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// Return a new policy
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return sandbox2::PolicyBuilder()
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.DangerDefaultAllowAll()
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.AllowUnrestrictedNetworking()
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.AddDirectory("/lib")
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.BuildOrDie();
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}
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};
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int main() {
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absl::Status status;
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sapi::StatusOr<int> status_or_int;
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sapi::StatusOr<CURL*> status_or_curl;
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sapi::StatusOr<CURLM*> status_or_curlm;
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// Initialize sandbox2 and sapi
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CurlApiSandboxEx4 sandbox;
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status = sandbox.Init();
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assert(status.ok());
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CurlApi api(&sandbox);
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// Number of running handles
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sapi::v::Int still_running(1);
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// Initialize curl (CURL_GLOBAL_DEFAULT = 3)
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status_or_int = api.curl_global_init(3l);
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assert(status_or_int.ok());
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assert(status_or_int.value() == CURLE_OK);
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// Initialize http_handle
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status_or_curl = api.curl_easy_init();
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assert(status_or_curl.ok());
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sapi::v::RemotePtr http_handle(status_or_curl.value());
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assert(http_handle.GetValue()); // Checking http_handle != nullptr
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// Specify URL to get
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sapi::v::ConstCStr url("http://example.com");
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status_or_int =
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api.curl_easy_setopt_ptr(&http_handle, CURLOPT_URL, url.PtrBefore());
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assert(status_or_int.ok());
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assert(status_or_int.value() == CURLE_OK);
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// Initialize multi_handle
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status_or_curlm = api.curl_multi_init();
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assert(status_or_curlm.ok());
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sapi::v::RemotePtr multi_handle(status_or_curlm.value());
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assert(multi_handle.GetValue()); // Checking multi_handle != nullptr
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// Add http_handle to the multi stack
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status_or_int = api.curl_multi_add_handle(&multi_handle, &http_handle);
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assert(status_or_int.ok());
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assert(status_or_int.value() == CURLE_OK);
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while (still_running.GetValue()) {
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sapi::v::Int numfds(0);
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// Perform the request
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status_or_int =
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api.curl_multi_perform(&multi_handle, still_running.PtrBoth());
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assert(status_or_int.ok());
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assert(status_or_int.value() == CURLE_OK);
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if (still_running.GetValue()) {
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// Wait for an event or timeout
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sapi::v::NullPtr null_ptr;
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status_or_int = api.curl_multi_poll_sapi(&multi_handle, &null_ptr, 0,
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1000, numfds.PtrBoth());
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assert(status_or_int.ok());
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assert(status_or_int.value() == CURLM_OK);
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}
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}
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// Remove http_handle from the multi stack
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status_or_int = api.curl_multi_remove_handle(&multi_handle, &http_handle);
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assert(status_or_int.ok());
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assert(status_or_int.value() == CURLE_OK);
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// Cleanup http_handle
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status = api.curl_easy_cleanup(&http_handle);
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assert(status.ok());
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// Cleanup multi_handle
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status_or_int = api.curl_multi_cleanup(&multi_handle);
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assert(status_or_int.ok());
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assert(status_or_int.value() == CURLE_OK);
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// Cleanup curl
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status = api.curl_global_cleanup();
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assert(status.ok());
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return EXIT_SUCCESS;
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}
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