1/*
2 * Copyright (c) 2012 The Chromium Authors. All rights reserved.
3 * Use of this source code is governed by a BSD-style license that can be
4 * found in the LICENSE file.
5 */
6
7#include "native_client/src/shared/imc/nacl_imc_c.h"
8#include "native_client/src/shared/platform/nacl_secure_random.h"
9#include "native_client/src/shared/platform/nacl_time.h"
10#include "native_client/src/trusted/desc/nrd_all_modules.h"
11
12#include "ppapi/native_client/src/trusted/plugin/module_ppapi.h"
13#include "ppapi/native_client/src/trusted/plugin/plugin.h"
14#include "ppapi/native_client/src/trusted/plugin/utility.h"
15
16namespace plugin {
17
18ModulePpapi::ModulePpapi() : pp::Module(),
19                             init_was_successful_(false),
20                             private_interface_(NULL) {
21  MODULE_PRINTF(("ModulePpapi::ModulePpapi (this=%p)\n",
22                 static_cast<void*>(this)));
23}
24
25ModulePpapi::~ModulePpapi() {
26  if (init_was_successful_) {
27    NaClSrpcModuleFini();
28    NaClNrdAllModulesFini();
29  }
30  MODULE_PRINTF(("ModulePpapi::~ModulePpapi (this=%p)\n",
31                 static_cast<void*>(this)));
32}
33
34bool ModulePpapi::Init() {
35  // Ask the browser for an interface which provides missing functions
36  private_interface_ = reinterpret_cast<const PPB_NaCl_Private*>(
37      GetBrowserInterface(PPB_NACL_PRIVATE_INTERFACE));
38
39  if (NULL == private_interface_) {
40    MODULE_PRINTF(("ModulePpapi::Init failed: "
41                   "GetBrowserInterface returned NULL\n"));
42    return false;
43  }
44  SetNaClInterface(private_interface_);
45
46#if NACL_LINUX || NACL_OSX
47  // Note that currently we do not need random numbers inside the
48  // NaCl trusted plugin on Unix, but NaClSecureRngModuleInit() is
49  // strict and will raise a fatal error unless we provide it with a
50  // /dev/urandom FD beforehand.
51  NaClSecureRngModuleSetUrandomFd(dup(private_interface_->UrandomFD()));
52#endif
53
54  // In the plugin, we don't need high resolution time of day.
55  NaClAllowLowResolutionTimeOfDay();
56  NaClNrdAllModulesInit();
57  NaClSrpcModuleInit();
58
59#if NACL_WINDOWS
60  NaClSetBrokerDuplicateHandleFunc(private_interface_->BrokerDuplicateHandle);
61#endif
62
63  init_was_successful_ = true;
64  return true;
65}
66
67pp::Instance* ModulePpapi::CreateInstance(PP_Instance pp_instance) {
68  MODULE_PRINTF(("ModulePpapi::CreateInstance (pp_instance=%" NACL_PRId32
69                 ")\n",
70                 pp_instance));
71  Plugin* plugin = new Plugin(pp_instance);
72  MODULE_PRINTF(("ModulePpapi::CreateInstance (return %p)\n",
73                 static_cast<void* >(plugin)));
74  return plugin;
75}
76
77}  // namespace plugin
78
79
80namespace pp {
81
82Module* CreateModule() {
83  MODULE_PRINTF(("CreateModule ()\n"));
84  return new plugin::ModulePpapi();
85}
86
87}  // namespace pp
88