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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <pthread.h>
#include <stddef.h>
#include <stdint.h>
#include <unistd.h>
#include <sstream>
#include <string>
#include "native_client/src/untrusted/irt/irt.h"
#include "ppapi/cpp/completion_callback.h"
#include "ppapi/cpp/instance.h"
#include "ppapi/cpp/module.h"
#include "ppapi/cpp/tcp_socket.h"
#include "ppapi/cpp/var.h"
#include "ppapi/utility/completion_callback_factory.h"
namespace {
std::string g_last_error;
pp::Instance* g_instance = NULL;
// This should be larger than or equal to
// MessageAttachmentSet::kMaxDescriptorsPerMessage in
// ipc/ipc_message_attachment_set.h.
const size_t kMaxDescriptorsPerMessage = 16;
// Returns true if the resource file whose name is |key| exists and its content
// matches |content|.
bool LoadManifestInternal(nacl_irt_resource_open* nacl_irt_resource_open,
const std::string& key,
const std::string& content) {
int desc;
int error;
error = nacl_irt_resource_open->open_resource(key.c_str(), &desc);
if (0 != error) {
g_last_error = "Can't open file " + key;
return false;
}
std::string str;
char buffer[4096];
int len;
while ((len = read(desc, buffer, sizeof(buffer) - 1)) > 0) {
// Null terminate.
buffer[len] = '\0';
str += buffer;
}
if (close(desc)) {
g_last_error = "Close failed: file=" + key;
return false;
}
if (str != content) {
g_last_error = "Wrong file content: file=" + key + ", expected=" + content +
", actual=" + str;
return false;
}
return true;
}
// Tests if open_resource works in a packaged app. This test is similar to
// NaClBrowserTest*.IrtManifestFile, but unlike the NaCl test, this one tests
// the "fast path" in DownloadNexe() in ppb_nacl_private_impl.cc which opens
// resource files without using URLLoader.
void LoadManifest() {
if (pthread_detach(pthread_self())) {
g_last_error = "pthread_detach failed";
return;
}
struct nacl_irt_resource_open nacl_irt_resource_open;
if (sizeof(nacl_irt_resource_open) !=
nacl_interface_query(NACL_IRT_RESOURCE_OPEN_v0_1,
&nacl_irt_resource_open,
sizeof(nacl_irt_resource_open))) {
g_last_error = "NACL_IRT_RESOURCE_OPEN_v0_1 not found";
return;
}
for (size_t i = 0; i <= kMaxDescriptorsPerMessage; ++i) {
std::stringstream key;
key << "test_file" << i;
std::string content = "Example contents for open_resource test" +
std::string(i % 2 ? "2" : "");
if (!LoadManifestInternal(&nacl_irt_resource_open, key.str(), content))
break;
// Open the same resource file again to make sure each file descriptor
// returned from open_resource has its own file offset.
if (!LoadManifestInternal(&nacl_irt_resource_open, key.str(), content))
break;
}
}
void PostReply(void* user_data, int32_t status) {
if (!g_last_error.empty())
g_instance->PostMessage(g_last_error.c_str());
else
g_instance->PostMessage("PASS");
}
void* RunTestsOnBackgroundThread(void* thread_id) {
LoadManifest();
pp::Module::Get()->core()->CallOnMainThread(
0, pp::CompletionCallback(&PostReply, NULL));
return NULL;
}
class MyInstance : public pp::Instance {
public:
explicit MyInstance(PP_Instance instance)
: pp::Instance(instance), socket_(this), factory_(this) {
g_instance = this;
}
virtual ~MyInstance() { }
void DidBindSocket(int32_t result) {
// We didn't ask for socket permission in our manifest, so it should fail.
if (result == PP_ERROR_NOACCESS)
PostMessage("PASS");
else
PostMessage(result);
}
virtual bool Init(uint32_t argc, const char* argn[], const char* argv[]) {
pthread_t thread;
// irt_open_resource() isn't allowed to be called on the main thread once
// Pepper starts, so the test must happen on a background thread.
if (pthread_create(&thread, NULL, &RunTestsOnBackgroundThread, NULL)) {
g_last_error = "pthread_create failed";
PostReply(NULL, 0);
}
// Attempt to bind a socket. We don't have permissions, so it should fail.
PP_NetAddress_IPv4 ipv4_address = {80, {127, 0, 0, 1} };
pp::NetAddress address(this, ipv4_address);
socket_.Bind(address, factory_.NewCallback(&MyInstance::DidBindSocket));
return true;
}
private:
pp::TCPSocket socket_;
pp::CompletionCallbackFactory<MyInstance> factory_;
};
class MyModule : public pp::Module {
public:
MyModule() : pp::Module() { }
virtual ~MyModule() { }
virtual pp::Instance* CreateInstance(PP_Instance instance) {
return new MyInstance(instance);
}
};
} // namespace
namespace pp {
Module* CreateModule() {
return new MyModule();
}
} // namespace pp
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