1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "ppapi/proxy/interface_list.h" 6 7 #include "base/hash.h" 8 #include "base/lazy_instance.h" 9 #include "base/memory/singleton.h" 10 #include "ppapi/c/dev/ppb_audio_input_dev.h" 11 #include "ppapi/c/dev/ppb_buffer_dev.h" 12 #include "ppapi/c/dev/ppb_char_set_dev.h" 13 #include "ppapi/c/dev/ppb_crypto_dev.h" 14 #include "ppapi/c/dev/ppb_cursor_control_dev.h" 15 #include "ppapi/c/dev/ppb_device_ref_dev.h" 16 #include "ppapi/c/dev/ppb_font_dev.h" 17 #include "ppapi/c/dev/ppb_gles_chromium_texture_mapping_dev.h" 18 #include "ppapi/c/dev/ppb_ime_input_event_dev.h" 19 #include "ppapi/c/dev/ppb_memory_dev.h" 20 #include "ppapi/c/dev/ppb_messaging_deprecated.h" 21 #include "ppapi/c/dev/ppb_opengles2ext_dev.h" 22 #include "ppapi/c/dev/ppb_printing_dev.h" 23 #include "ppapi/c/dev/ppb_scrollbar_dev.h" 24 #include "ppapi/c/dev/ppb_text_input_dev.h" 25 #include "ppapi/c/dev/ppb_trace_event_dev.h" 26 #include "ppapi/c/dev/ppb_truetype_font_dev.h" 27 #include "ppapi/c/dev/ppb_url_util_dev.h" 28 #include "ppapi/c/dev/ppb_var_deprecated.h" 29 #include "ppapi/c/dev/ppb_video_capture_dev.h" 30 #include "ppapi/c/dev/ppb_view_dev.h" 31 #include "ppapi/c/dev/ppb_widget_dev.h" 32 #include "ppapi/c/dev/ppb_zoom_dev.h" 33 #include "ppapi/c/ppb_audio.h" 34 #include "ppapi/c/ppb_audio_buffer.h" 35 #include "ppapi/c/ppb_audio_config.h" 36 #include "ppapi/c/ppb_compositor.h" 37 #include "ppapi/c/ppb_compositor_layer.h" 38 #include "ppapi/c/ppb_console.h" 39 #include "ppapi/c/ppb_core.h" 40 #include "ppapi/c/ppb_file_io.h" 41 #include "ppapi/c/ppb_file_mapping.h" 42 #include "ppapi/c/ppb_file_ref.h" 43 #include "ppapi/c/ppb_file_system.h" 44 #include "ppapi/c/ppb_fullscreen.h" 45 #include "ppapi/c/ppb_graphics_2d.h" 46 #include "ppapi/c/ppb_host_resolver.h" 47 #include "ppapi/c/ppb_image_data.h" 48 #include "ppapi/c/ppb_input_event.h" 49 #include "ppapi/c/ppb_instance.h" 50 #include "ppapi/c/ppb_media_stream_audio_track.h" 51 #include "ppapi/c/ppb_media_stream_video_track.h" 52 #include "ppapi/c/ppb_message_loop.h" 53 #include "ppapi/c/ppb_messaging.h" 54 #include "ppapi/c/ppb_mouse_lock.h" 55 #include "ppapi/c/ppb_net_address.h" 56 #include "ppapi/c/ppb_network_list.h" 57 #include "ppapi/c/ppb_network_monitor.h" 58 #include "ppapi/c/ppb_network_proxy.h" 59 #include "ppapi/c/ppb_opengles2.h" 60 #include "ppapi/c/ppb_tcp_socket.h" 61 #include "ppapi/c/ppb_text_input_controller.h" 62 #include "ppapi/c/ppb_udp_socket.h" 63 #include "ppapi/c/ppb_url_loader.h" 64 #include "ppapi/c/ppb_url_request_info.h" 65 #include "ppapi/c/ppb_url_response_info.h" 66 #include "ppapi/c/ppb_var.h" 67 #include "ppapi/c/ppb_var_array.h" 68 #include "ppapi/c/ppb_var_array_buffer.h" 69 #include "ppapi/c/ppb_var_dictionary.h" 70 #include "ppapi/c/ppb_video_decoder.h" 71 #include "ppapi/c/ppb_video_frame.h" 72 #include "ppapi/c/ppb_view.h" 73 #include "ppapi/c/pp_errors.h" 74 #include "ppapi/c/ppp_instance.h" 75 #include "ppapi/c/private/ppb_content_decryptor_private.h" 76 #include "ppapi/c/private/ppb_ext_crx_file_system_private.h" 77 #include "ppapi/c/private/ppb_file_io_private.h" 78 #include "ppapi/c/private/ppb_file_ref_private.h" 79 #include "ppapi/c/private/ppb_find_private.h" 80 #include "ppapi/c/private/ppb_flash_clipboard.h" 81 #include "ppapi/c/private/ppb_flash_file.h" 82 #include "ppapi/c/private/ppb_flash_font_file.h" 83 #include "ppapi/c/private/ppb_flash_fullscreen.h" 84 #include "ppapi/c/private/ppb_flash.h" 85 #include "ppapi/c/private/ppb_flash_device_id.h" 86 #include "ppapi/c/private/ppb_flash_drm.h" 87 #include "ppapi/c/private/ppb_flash_menu.h" 88 #include "ppapi/c/private/ppb_flash_message_loop.h" 89 #include "ppapi/c/private/ppb_flash_print.h" 90 #include "ppapi/c/private/ppb_host_resolver_private.h" 91 #include "ppapi/c/private/ppb_input_event_private.h" 92 #include "ppapi/c/private/ppb_isolated_file_system_private.h" 93 #include "ppapi/c/private/ppb_net_address_private.h" 94 #include "ppapi/c/private/ppb_output_protection_private.h" 95 #include "ppapi/c/private/ppb_pdf.h" 96 #include "ppapi/c/private/ppb_platform_verification_private.h" 97 #include "ppapi/c/private/ppb_talk_private.h" 98 #include "ppapi/c/private/ppb_tcp_server_socket_private.h" 99 #include "ppapi/c/private/ppb_tcp_socket_private.h" 100 #include "ppapi/c/private/ppb_testing_private.h" 101 #include "ppapi/c/private/ppb_udp_socket_private.h" 102 #include "ppapi/c/private/ppb_uma_private.h" 103 #include "ppapi/c/private/ppb_video_destination_private.h" 104 #include "ppapi/c/private/ppb_video_source_private.h" 105 #include "ppapi/c/private/ppb_x509_certificate_private.h" 106 #include "ppapi/c/private/ppp_content_decryptor_private.h" 107 #include "ppapi/c/trusted/ppb_broker_trusted.h" 108 #include "ppapi/c/trusted/ppb_browser_font_trusted.h" 109 #include "ppapi/c/trusted/ppb_char_set_trusted.h" 110 #include "ppapi/c/trusted/ppb_file_chooser_trusted.h" 111 #include "ppapi/c/trusted/ppb_url_loader_trusted.h" 112 #include "ppapi/proxy/interface_proxy.h" 113 #include "ppapi/proxy/plugin_globals.h" 114 #include "ppapi/proxy/ppapi_messages.h" 115 #include "ppapi/proxy/ppb_audio_proxy.h" 116 #include "ppapi/proxy/ppb_broker_proxy.h" 117 #include "ppapi/proxy/ppb_buffer_proxy.h" 118 #include "ppapi/proxy/ppb_core_proxy.h" 119 #include "ppapi/proxy/ppb_flash_message_loop_proxy.h" 120 #include "ppapi/proxy/ppb_graphics_3d_proxy.h" 121 #include "ppapi/proxy/ppb_image_data_proxy.h" 122 #include "ppapi/proxy/ppb_instance_proxy.h" 123 #include "ppapi/proxy/ppb_message_loop_proxy.h" 124 #include "ppapi/proxy/ppb_testing_proxy.h" 125 #include "ppapi/proxy/ppb_var_deprecated_proxy.h" 126 #include "ppapi/proxy/ppb_video_decoder_proxy.h" 127 #include "ppapi/proxy/ppb_x509_certificate_private_proxy.h" 128 #include "ppapi/proxy/ppp_class_proxy.h" 129 #include "ppapi/proxy/ppp_content_decryptor_private_proxy.h" 130 #include "ppapi/proxy/ppp_find_proxy.h" 131 #include "ppapi/proxy/ppp_graphics_3d_proxy.h" 132 #include "ppapi/proxy/ppp_input_event_proxy.h" 133 #include "ppapi/proxy/ppp_instance_private_proxy.h" 134 #include "ppapi/proxy/ppp_instance_proxy.h" 135 #include "ppapi/proxy/ppp_messaging_proxy.h" 136 #include "ppapi/proxy/ppp_mouse_lock_proxy.h" 137 #include "ppapi/proxy/ppp_pdf_proxy.h" 138 #include "ppapi/proxy/ppp_printing_proxy.h" 139 #include "ppapi/proxy/ppp_text_input_proxy.h" 140 #include "ppapi/proxy/ppp_video_decoder_proxy.h" 141 #include "ppapi/proxy/resource_creation_proxy.h" 142 #include "ppapi/shared_impl/ppb_opengles2_shared.h" 143 #include "ppapi/shared_impl/ppb_var_shared.h" 144 #include "ppapi/thunk/thunk.h" 145 146 // Helper to get the proxy name PPB_Foo_Proxy given the API name PPB_Foo. 147 #define PROXY_CLASS_NAME(api_name) api_name##_Proxy 148 149 // Helper to get the interface ID PPB_Foo_Proxy::kApiID given the API 150 // name PPB_Foo. 151 #define PROXY_API_ID(api_name) PROXY_CLASS_NAME(api_name)::kApiID 152 153 // Helper to get the name of the templatized factory function. 154 #define PROXY_FACTORY_NAME(api_name) ProxyFactory<PROXY_CLASS_NAME(api_name)> 155 156 // Helper to get the name of the thunk GetPPB_Foo_1_0_Thunk given the interface 157 // struct name PPB_Foo_1_0. 158 #define INTERFACE_THUNK_NAME(iface_struct) thunk::Get##iface_struct##_Thunk 159 160 namespace ppapi { 161 namespace proxy { 162 163 namespace { 164 165 template<typename ProxyClass> 166 InterfaceProxy* ProxyFactory(Dispatcher* dispatcher) { 167 return new ProxyClass(dispatcher); 168 } 169 170 base::LazyInstance<PpapiPermissions> g_process_global_permissions; 171 172 } // namespace 173 174 InterfaceList::InterfaceList() { 175 memset(id_to_factory_, 0, sizeof(id_to_factory_)); 176 177 // Register the API factories for each of the API types. This calls AddProxy 178 // for each InterfaceProxy type we support. 179 #define PROXIED_API(api_name) \ 180 AddProxy(PROXY_API_ID(api_name), &PROXY_FACTORY_NAME(api_name)); 181 182 // Register each proxied interface by calling AddPPB for each supported 183 // interface. Set current_required_permission to the appropriate value for 184 // the value you want expanded by this macro. 185 #define PROXIED_IFACE(iface_str, iface_struct) \ 186 AddPPB(iface_str, \ 187 INTERFACE_THUNK_NAME(iface_struct)(), \ 188 current_required_permission); 189 190 { 191 Permission current_required_permission = PERMISSION_NONE; 192 #include "ppapi/thunk/interfaces_ppb_private_no_permissions.h" 193 #include "ppapi/thunk/interfaces_ppb_public_stable.h" 194 } 195 { 196 Permission current_required_permission = PERMISSION_DEV; 197 #include "ppapi/thunk/interfaces_ppb_public_dev.h" 198 } 199 { 200 Permission current_required_permission = PERMISSION_PRIVATE; 201 #include "ppapi/thunk/interfaces_ppb_private.h" 202 } 203 { 204 #if !defined(OS_NACL) 205 Permission current_required_permission = PERMISSION_FLASH; 206 #include "ppapi/thunk/interfaces_ppb_private_flash.h" 207 #endif // !defined(OS_NACL) 208 } 209 { 210 Permission current_required_permission = PERMISSION_DEV_CHANNEL; 211 #include "ppapi/thunk/interfaces_ppb_public_dev_channel.h" 212 } 213 214 #undef PROXIED_API 215 #undef PROXIED_IFACE 216 217 // Manually add some special proxies. Some of these don't have interfaces 218 // that they support, so aren't covered by the macros above, but have proxies 219 // for message routing. Others have different implementations between the 220 // proxy and the impl and there's no obvious message routing. 221 AddProxy(API_ID_RESOURCE_CREATION, &ResourceCreationProxy::Create); 222 AddProxy(API_ID_PPP_CLASS, &PPP_Class_Proxy::Create); 223 AddPPB(PPB_CORE_INTERFACE_1_0, 224 PPB_Core_Proxy::GetPPB_Core_Interface(), PERMISSION_NONE); 225 AddPPB(PPB_MESSAGELOOP_INTERFACE_1_0, 226 PPB_MessageLoop_Proxy::GetInterface(), PERMISSION_NONE); 227 AddPPB(PPB_OPENGLES2_INTERFACE_1_0, 228 PPB_OpenGLES2_Shared::GetInterface(), PERMISSION_NONE); 229 AddPPB(PPB_OPENGLES2_INSTANCEDARRAYS_INTERFACE_1_0, 230 PPB_OpenGLES2_Shared::GetInstancedArraysInterface(), PERMISSION_NONE); 231 AddPPB(PPB_OPENGLES2_FRAMEBUFFERBLIT_INTERFACE_1_0, 232 PPB_OpenGLES2_Shared::GetFramebufferBlitInterface(), PERMISSION_NONE); 233 AddPPB(PPB_OPENGLES2_FRAMEBUFFERMULTISAMPLE_INTERFACE_1_0, 234 PPB_OpenGLES2_Shared::GetFramebufferMultisampleInterface(), 235 PERMISSION_NONE); 236 AddPPB(PPB_OPENGLES2_CHROMIUMENABLEFEATURE_INTERFACE_1_0, 237 PPB_OpenGLES2_Shared::GetChromiumEnableFeatureInterface(), 238 PERMISSION_NONE); 239 AddPPB(PPB_OPENGLES2_CHROMIUMMAPSUB_INTERFACE_1_0, 240 PPB_OpenGLES2_Shared::GetChromiumMapSubInterface(), PERMISSION_NONE); 241 AddPPB(PPB_OPENGLES2_CHROMIUMMAPSUB_DEV_INTERFACE_1_0, 242 PPB_OpenGLES2_Shared::GetChromiumMapSubInterface(), PERMISSION_NONE); 243 AddPPB(PPB_OPENGLES2_QUERY_INTERFACE_1_0, 244 PPB_OpenGLES2_Shared::GetQueryInterface(), PERMISSION_NONE); 245 AddPPB(PPB_OPENGLES2_VERTEXARRAYOBJECT_INTERFACE_1_0, 246 PPB_OpenGLES2_Shared::GetVertexArrayObjectInterface(), 247 PERMISSION_NONE); 248 AddPPB(PPB_OPENGLES2_DRAWBUFFERS_DEV_INTERFACE_1_0, 249 PPB_OpenGLES2_Shared::GetDrawBuffersInterface(), 250 PERMISSION_DEV); 251 AddPPB(PPB_VAR_ARRAY_BUFFER_INTERFACE_1_0, 252 PPB_Var_Shared::GetVarArrayBufferInterface1_0(), 253 PERMISSION_NONE); 254 AddPPB(PPB_VAR_INTERFACE_1_2, 255 PPB_Var_Shared::GetVarInterface1_2(), PERMISSION_NONE); 256 AddPPB(PPB_VAR_INTERFACE_1_1, 257 PPB_Var_Shared::GetVarInterface1_1(), PERMISSION_NONE); 258 AddPPB(PPB_VAR_INTERFACE_1_0, 259 PPB_Var_Shared::GetVarInterface1_0(), PERMISSION_NONE); 260 261 #if !defined(OS_NACL) 262 // PPB (browser) interfaces. 263 // Do not add more stuff here, they should be added to interface_list*.h 264 // TODO(brettw) remove these. 265 AddProxy(API_ID_PPB_INSTANCE_PRIVATE, &ProxyFactory<PPB_Instance_Proxy>); 266 AddPPB(PPB_INSTANCE_PRIVATE_INTERFACE_0_1, 267 thunk::GetPPB_Instance_Private_0_1_Thunk(), 268 PERMISSION_PRIVATE); 269 270 AddProxy(API_ID_PPB_VAR_DEPRECATED, &ProxyFactory<PPB_Var_Deprecated_Proxy>); 271 AddPPB(PPB_VAR_DEPRECATED_INTERFACE, 272 PPB_Var_Deprecated_Proxy::GetProxyInterface(), PERMISSION_DEV); 273 274 // TODO(tomfinegan): Figure out where to put these once we refactor things 275 // to load the PPP interface struct from the PPB interface. 276 AddProxy(API_ID_PPP_CONTENT_DECRYPTOR_PRIVATE, 277 &ProxyFactory<PPP_ContentDecryptor_Private_Proxy>); 278 AddPPP(PPP_CONTENTDECRYPTOR_PRIVATE_INTERFACE, 279 PPP_ContentDecryptor_Private_Proxy::GetProxyInterface()); 280 #endif 281 AddProxy(API_ID_PPB_TESTING, &ProxyFactory<PPB_Testing_Proxy>); 282 AddPPB(PPB_TESTING_PRIVATE_INTERFACE, 283 PPB_Testing_Proxy::GetProxyInterface(), PERMISSION_TESTING); 284 285 // PPP (plugin) interfaces. 286 // TODO(brettw) move these to interface_list*.h 287 AddProxy(API_ID_PPP_GRAPHICS_3D, &ProxyFactory<PPP_Graphics3D_Proxy>); 288 AddPPP(PPP_GRAPHICS_3D_INTERFACE, PPP_Graphics3D_Proxy::GetProxyInterface()); 289 AddProxy(API_ID_PPP_INPUT_EVENT, &ProxyFactory<PPP_InputEvent_Proxy>); 290 AddPPP(PPP_INPUT_EVENT_INTERFACE, PPP_InputEvent_Proxy::GetProxyInterface()); 291 AddProxy(API_ID_PPP_INSTANCE, &ProxyFactory<PPP_Instance_Proxy>); 292 #if !defined(OS_NACL) 293 AddPPP(PPP_INSTANCE_INTERFACE_1_1, 294 PPP_Instance_Proxy::GetInstanceInterface()); 295 AddProxy(API_ID_PPP_INSTANCE_PRIVATE, 296 &ProxyFactory<PPP_Instance_Private_Proxy>); 297 AddPPP(PPP_INSTANCE_PRIVATE_INTERFACE, 298 PPP_Instance_Private_Proxy::GetProxyInterface()); 299 #endif 300 AddProxy(API_ID_PPP_MESSAGING, &ProxyFactory<PPP_Messaging_Proxy>); 301 AddProxy(API_ID_PPP_MOUSE_LOCK, &ProxyFactory<PPP_MouseLock_Proxy>); 302 AddPPP(PPP_MOUSELOCK_INTERFACE, PPP_MouseLock_Proxy::GetProxyInterface()); 303 AddProxy(API_ID_PPP_PRINTING, &ProxyFactory<PPP_Printing_Proxy>); 304 AddPPP(PPP_PRINTING_DEV_INTERFACE, PPP_Printing_Proxy::GetProxyInterface()); 305 AddProxy(API_ID_PPP_TEXT_INPUT, &ProxyFactory<PPP_TextInput_Proxy>); 306 AddPPP(PPP_TEXTINPUT_DEV_INTERFACE, PPP_TextInput_Proxy::GetProxyInterface()); 307 #if !defined(OS_NACL) 308 AddProxy(API_ID_PPP_PDF, &ProxyFactory<PPP_Pdf_Proxy>); 309 AddPPP(PPP_PDF_INTERFACE, PPP_Pdf_Proxy::GetProxyInterface()); 310 AddProxy(API_ID_PPP_FIND_PRIVATE, &ProxyFactory<PPP_Find_Proxy>); 311 AddPPP(PPP_FIND_PRIVATE_INTERFACE, PPP_Find_Proxy::GetProxyInterface()); 312 AddProxy(API_ID_PPP_VIDEO_DECODER_DEV, &ProxyFactory<PPP_VideoDecoder_Proxy>); 313 AddPPP(PPP_VIDEODECODER_DEV_INTERFACE, 314 PPP_VideoDecoder_Proxy::GetProxyInterface()); 315 #endif 316 } 317 318 InterfaceList::~InterfaceList() { 319 } 320 321 // static 322 InterfaceList* InterfaceList::GetInstance() { 323 // CAUTION: This function is called without the ProxyLock to avoid excessive 324 // excessive locking from C++ wrappers. (See also GetBrowserInterface.) 325 return Singleton<InterfaceList>::get(); 326 } 327 328 // static 329 void InterfaceList::SetProcessGlobalPermissions( 330 const PpapiPermissions& permissions) { 331 g_process_global_permissions.Get() = permissions; 332 } 333 334 InterfaceProxy::Factory InterfaceList::GetFactoryForID(ApiID id) const { 335 int index = static_cast<int>(id); 336 COMPILE_ASSERT(API_ID_NONE == 0, none_must_be_zero); 337 if (id <= 0 || id >= API_ID_COUNT) 338 return NULL; 339 return id_to_factory_[index]; 340 } 341 342 const void* InterfaceList::GetInterfaceForPPB(const std::string& name) { 343 // CAUTION: This function is called without the ProxyLock to avoid excessive 344 // excessive locking from C++ wrappers. (See also GetBrowserInterface.) 345 NameToInterfaceInfoMap::iterator found = 346 name_to_browser_info_.find(name); 347 if (found == name_to_browser_info_.end()) 348 return NULL; 349 350 if (g_process_global_permissions.Get().HasPermission( 351 found->second->required_permission())) { 352 // Only log interface use once per plugin. 353 found->second->LogWithUmaOnce( 354 PluginGlobals::Get()->GetBrowserSender(), name); 355 return found->second->iface(); 356 } 357 return NULL; 358 } 359 360 const void* InterfaceList::GetInterfaceForPPP(const std::string& name) const { 361 NameToInterfaceInfoMap::const_iterator found = 362 name_to_plugin_info_.find(name); 363 if (found == name_to_plugin_info_.end()) 364 return NULL; 365 return found->second->iface(); 366 } 367 368 void InterfaceList::InterfaceInfo::LogWithUmaOnce( 369 IPC::Sender* sender, const std::string& name) { 370 { 371 base::AutoLock acquire(sent_to_uma_lock_); 372 if (sent_to_uma_) 373 return; 374 sent_to_uma_ = true; 375 } 376 int hash = InterfaceList::HashInterfaceName(name); 377 PluginGlobals::Get()->GetBrowserSender()->Send( 378 new PpapiHostMsg_LogInterfaceUsage(hash)); 379 } 380 381 void InterfaceList::AddProxy(ApiID id, 382 InterfaceProxy::Factory factory) { 383 // For interfaces with no corresponding _Proxy objects, the macros will 384 // generate calls to this function with API_ID_NONE. This means we 385 // should just skip adding a factory for these functions. 386 if (id == API_ID_NONE) 387 return; 388 389 // The factory should be an exact dupe of the one we already have if it 390 // has already been registered before. 391 int index = static_cast<int>(id); 392 DCHECK(!id_to_factory_[index] || id_to_factory_[index] == factory); 393 394 id_to_factory_[index] = factory; 395 } 396 397 void InterfaceList::AddPPB(const char* name, 398 const void* iface, 399 Permission perm) { 400 DCHECK(name_to_browser_info_.find(name) == name_to_browser_info_.end()); 401 name_to_browser_info_.add( 402 name, scoped_ptr<InterfaceInfo>(new InterfaceInfo(iface, perm))); 403 } 404 405 void InterfaceList::AddPPP(const char* name, 406 const void* iface) { 407 DCHECK(name_to_plugin_info_.find(name) == name_to_plugin_info_.end()); 408 name_to_plugin_info_.add( 409 name, 410 scoped_ptr<InterfaceInfo>(new InterfaceInfo(iface, PERMISSION_NONE))); 411 } 412 413 int InterfaceList::HashInterfaceName(const std::string& name) { 414 uint32 data = base::Hash(name.c_str(), name.size()); 415 // Strip off the signed bit because UMA doesn't support negative values, 416 // but takes a signed int as input. 417 return static_cast<int>(data & 0x7fffffff); 418 } 419 420 } // namespace proxy 421 } // namespace ppapi 422