115 lines
4.0 KiB
C++
115 lines
4.0 KiB
C++
// Copyright 2021 Google LLC. All Rights Reserved. This file and proprietary
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// source code may only be used and distributed under the Widevine License
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// Agreement.
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#include <assert.h>
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#include <gtest/gtest.h>
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#include <string.h>
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#include <time.h>
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#include <algorithm>
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#include <fstream>
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#include <iostream>
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#include <string>
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#include <vector>
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#if defined(__linux__)
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# include <sys/utsname.h>
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#endif
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#include "cdm.h"
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#include "cdm_test_runner.h"
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#include "clock.h"
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#include "log.h"
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#include "reboot_test.h"
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#include "test_base.h"
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#include "test_host.h"
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using namespace CDM_NAMESPACE;
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// TODO(b/195338975): document how a partner should modify this so that they can
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// use a real host.
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TestHost* g_host = nullptr;
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namespace {
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constexpr char kGlobalDumpFileName[] = "dumped_global_filesystem.dat";
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constexpr char kPerOriginDumpFileName[] = "dumped_per_origin_filesystem.dat";
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// Load a TestHost file system from the real file system.
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bool ReloadFileSystem(const char* file_name, TestHost::Storage* store) {
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std::ifstream input(file_name);
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if (input.fail()) {
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// This is OK for first pass, but an error for later passes.
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LOGD("Could not read %s", file_name);
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return false;
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}
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std::string dumped_file_system((std::istreambuf_iterator<char>(input)),
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std::istreambuf_iterator<char>());
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if (!store->LoadFromString(dumped_file_system)) {
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LOGE("Could not parse %s", file_name);
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return false;
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}
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return true;
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}
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bool ReloadFileSystems() {
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return ReloadFileSystem(kGlobalDumpFileName, &g_host->global_storage()) &&
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ReloadFileSystem(kPerOriginDumpFileName,
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&g_host->per_origin_storage());
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}
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// Dump a TestHost file system to the real file system. If the dump file
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// cannot be written, this raises an exception and crashes the program. Since
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// we usually build with exceptions turned off, what this means is that the test
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// executable will halt if the file cannot be written.
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void DumpFileSystem(const char* file_name, const TestHost::Storage& store) {
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std::string dump;
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(void)store.SaveToString(&dump);
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std::ofstream output(file_name);
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output << dump;
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output.close();
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}
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void DumpFileSystems() {
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DumpFileSystem(kGlobalDumpFileName, g_host->global_storage());
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DumpFileSystem(kPerOriginDumpFileName, g_host->per_origin_storage());
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}
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} // namespace
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int main(int argc, char** argv) {
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// Set up a Host and initialize the library. This makes these services
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// available to the tests. We would do this in the test suite itself, but the
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// core & OEMCrypto tests don't know they depend on this for storage.
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g_host = new TestHost();
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ReloadFileSystems();
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// Partners will want to replace this with a real IStorage.
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Cdm::IStorage* const storage = &g_host->global_storage();
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// Partners may also want to replace this with real implementations of IClock
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// and ITimer. If so, make not to set the command line argument
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// "--fake_sleep".
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Cdm::IClock* const clock = g_host;
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Cdm::ITimer* const timer = g_host;
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// Partners who prefer their logs to go somewhere other than stderr may want
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// to replace this implementation.
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Cdm::ILogger* const logger = &g_stderr_logger;
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// If the tests need a spearate file system from that used by the host, that
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// should be set up here. For the reference code, we use a default test file
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// system, but save the data from the file system.
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// A separate file system might be needed, for example, if the test data needs
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// to be saved off-device. Or, for example, if the main file system limits the
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// names and types of files it can save to certificates and offline licenses.
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wvutil::FileSystem* file_system = nullptr;
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wvcdm::RebootTest::set_file_system(file_system);
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const int test_results = Main(storage, clock, timer, logger, argc, argv);
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DumpFileSystems();
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// This is used by the test driver to know what time to use for initializing
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// the fake clock for the next pass.
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std::cout << "END_OF_TEST " << wvutil::Clock().GetCurrentTime() << "\n";
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return test_results;
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}
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