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_opengles2ext_dev.h"
21 #include "ppapi/c/dev/ppb_printing_dev.h"
22 #include "ppapi/c/dev/ppb_scrollbar_dev.h"
23 #include "ppapi/c/dev/ppb_text_input_dev.h"
24 #include "ppapi/c/dev/ppb_trace_event_dev.h"
25 #include "ppapi/c/dev/ppb_truetype_font_dev.h"
26 #include "ppapi/c/dev/ppb_url_util_dev.h"
27 #include "ppapi/c/dev/ppb_var_deprecated.h"
28 #include "ppapi/c/dev/ppb_video_capture_dev.h"
29 #include "ppapi/c/dev/ppb_view_dev.h"
30 #include "ppapi/c/dev/ppb_widget_dev.h"
31 #include "ppapi/c/dev/ppb_zoom_dev.h"
32 #include "ppapi/c/ppb_audio.h"
33 #include "ppapi/c/ppb_audio_buffer.h"
34 #include "ppapi/c/ppb_audio_config.h"
35 #include "ppapi/c/ppb_compositor.h"
36 #include "ppapi/c/ppb_compositor_layer.h"
37 #include "ppapi/c/ppb_console.h"
38 #include "ppapi/c/ppb_core.h"
39 #include "ppapi/c/ppb_file_io.h"
40 #include "ppapi/c/ppb_file_mapping.h"
41 #include "ppapi/c/ppb_file_ref.h"
42 #include "ppapi/c/ppb_file_system.h"
43 #include "ppapi/c/ppb_fullscreen.h"
44 #include "ppapi/c/ppb_graphics_2d.h"
45 #include "ppapi/c/ppb_host_resolver.h"
46 #include "ppapi/c/ppb_image_data.h"
47 #include "ppapi/c/ppb_input_event.h"
48 #include "ppapi/c/ppb_instance.h"
49 #include "ppapi/c/ppb_media_stream_audio_track.h"
50 #include "ppapi/c/ppb_media_stream_video_track.h"
51 #include "ppapi/c/ppb_message_loop.h"
52 #include "ppapi/c/ppb_messaging.h"
53 #include "ppapi/c/ppb_mouse_lock.h"
54 #include "ppapi/c/ppb_net_address.h"
55 #include "ppapi/c/ppb_network_list.h"
56 #include "ppapi/c/ppb_network_monitor.h"
57 #include "ppapi/c/ppb_network_proxy.h"
58 #include "ppapi/c/ppb_opengles2.h"
59 #include "ppapi/c/ppb_tcp_socket.h"
60 #include "ppapi/c/ppb_text_input_controller.h"
61 #include "ppapi/c/ppb_udp_socket.h"
62 #include "ppapi/c/ppb_url_loader.h"
63 #include "ppapi/c/ppb_url_request_info.h"
64 #include "ppapi/c/ppb_url_response_info.h"
65 #include "ppapi/c/ppb_var.h"
66 #include "ppapi/c/ppb_var_array.h"
67 #include "ppapi/c/ppb_var_array_buffer.h"
68 #include "ppapi/c/ppb_var_dictionary.h"
69 #include "ppapi/c/ppb_video_decoder.h"
70 #include "ppapi/c/ppb_video_frame.h"
71 #include "ppapi/c/ppb_view.h"
72 #include "ppapi/c/pp_errors.h"
73 #include "ppapi/c/ppp_instance.h"
74 #include "ppapi/c/private/ppb_content_decryptor_private.h"
75 #include "ppapi/c/private/ppb_ext_crx_file_system_private.h"
76 #include "ppapi/c/private/ppb_file_io_private.h"
77 #include "ppapi/c/private/ppb_file_ref_private.h"
78 #include "ppapi/c/private/ppb_find_private.h"
79 #include "ppapi/c/private/ppb_flash_clipboard.h"
80 #include "ppapi/c/private/ppb_flash_file.h"
81 #include "ppapi/c/private/ppb_flash_font_file.h"
82 #include "ppapi/c/private/ppb_flash_fullscreen.h"
83 #include "ppapi/c/private/ppb_flash.h"
84 #include "ppapi/c/private/ppb_flash_device_id.h"
85 #include "ppapi/c/private/ppb_flash_drm.h"
86 #include "ppapi/c/private/ppb_flash_menu.h"
87 #include "ppapi/c/private/ppb_flash_message_loop.h"
88 #include "ppapi/c/private/ppb_flash_print.h"
89 #include "ppapi/c/private/ppb_host_resolver_private.h"
90 #include "ppapi/c/private/ppb_input_event_private.h"
91 #include "ppapi/c/private/ppb_isolated_file_system_private.h"
92 #include "ppapi/c/private/ppb_net_address_private.h"
93 #include "ppapi/c/private/ppb_output_protection_private.h"
94 #include "ppapi/c/private/ppb_pdf.h"
95 #include "ppapi/c/private/ppb_platform_verification_private.h"
96 #include "ppapi/c/private/ppb_talk_private.h"
97 #include "ppapi/c/private/ppb_tcp_server_socket_private.h"
98 #include "ppapi/c/private/ppb_tcp_socket_private.h"
99 #include "ppapi/c/private/ppb_testing_private.h"
100 #include "ppapi/c/private/ppb_udp_socket_private.h"
101 #include "ppapi/c/private/ppb_uma_private.h"
102 #include "ppapi/c/private/ppb_video_destination_private.h"
103 #include "ppapi/c/private/ppb_video_source_private.h"
104 #include "ppapi/c/private/ppb_x509_certificate_private.h"
105 #include "ppapi/c/private/ppp_content_decryptor_private.h"
106 #include "ppapi/c/trusted/ppb_broker_trusted.h"
107 #include "ppapi/c/trusted/ppb_browser_font_trusted.h"
108 #include "ppapi/c/trusted/ppb_char_set_trusted.h"
109 #include "ppapi/c/trusted/ppb_file_chooser_trusted.h"
110 #include "ppapi/c/trusted/ppb_url_loader_trusted.h"
111 #include "ppapi/proxy/interface_proxy.h"
112 #include "ppapi/proxy/plugin_globals.h"
113 #include "ppapi/proxy/ppapi_messages.h"
114 #include "ppapi/proxy/ppb_audio_proxy.h"
115 #include "ppapi/proxy/ppb_broker_proxy.h"
116 #include "ppapi/proxy/ppb_buffer_proxy.h"
117 #include "ppapi/proxy/ppb_core_proxy.h"
118 #include "ppapi/proxy/ppb_flash_message_loop_proxy.h"
119 #include "ppapi/proxy/ppb_graphics_3d_proxy.h"
120 #include "ppapi/proxy/ppb_image_data_proxy.h"
121 #include "ppapi/proxy/ppb_instance_proxy.h"
122 #include "ppapi/proxy/ppb_message_loop_proxy.h"
123 #include "ppapi/proxy/ppb_testing_proxy.h"
124 #include "ppapi/proxy/ppb_var_deprecated_proxy.h"
125 #include "ppapi/proxy/ppb_video_decoder_proxy.h"
126 #include "ppapi/proxy/ppb_x509_certificate_private_proxy.h"
127 #include "ppapi/proxy/ppp_class_proxy.h"
128 #include "ppapi/proxy/ppp_content_decryptor_private_proxy.h"
129 #include "ppapi/proxy/ppp_find_proxy.h"
130 #include "ppapi/proxy/ppp_graphics_3d_proxy.h"
131 #include "ppapi/proxy/ppp_input_event_proxy.h"
132 #include "ppapi/proxy/ppp_instance_private_proxy.h"
133 #include "ppapi/proxy/ppp_instance_proxy.h"
134 #include "ppapi/proxy/ppp_messaging_proxy.h"
135 #include "ppapi/proxy/ppp_mouse_lock_proxy.h"
136 #include "ppapi/proxy/ppp_pdf_proxy.h"
137 #include "ppapi/proxy/ppp_printing_proxy.h"
138 #include "ppapi/proxy/ppp_text_input_proxy.h"
139 #include "ppapi/proxy/ppp_video_decoder_proxy.h"
140 #include "ppapi/proxy/resource_creation_proxy.h"
141 #include "ppapi/shared_impl/ppb_opengles2_shared.h"
142 #include "ppapi/shared_impl/ppb_var_shared.h"
143 #include "ppapi/thunk/thunk.h"
144
145 // Helper to get the proxy name PPB_Foo_Proxy given the API name PPB_Foo.
146 #define PROXY_CLASS_NAME(api_name) api_name##_Proxy
147
148 // Helper to get the interface ID PPB_Foo_Proxy::kApiID given the API
149 // name PPB_Foo.
150 #define PROXY_API_ID(api_name) PROXY_CLASS_NAME(api_name)::kApiID
151
152 // Helper to get the name of the templatized factory function.
153 #define PROXY_FACTORY_NAME(api_name) ProxyFactory<PROXY_CLASS_NAME(api_name)>
154
155 // Helper to get the name of the thunk GetPPB_Foo_1_0_Thunk given the interface
156 // struct name PPB_Foo_1_0.
157 #define INTERFACE_THUNK_NAME(iface_struct) thunk::Get##iface_struct##_Thunk
158
159 namespace ppapi {
160 namespace proxy {
161
162 namespace {
163
164 template<typename ProxyClass>
ProxyFactory(Dispatcher * dispatcher)165 InterfaceProxy* ProxyFactory(Dispatcher* dispatcher) {
166 return new ProxyClass(dispatcher);
167 }
168
169 base::LazyInstance<PpapiPermissions> g_process_global_permissions;
170
171 } // namespace
172
InterfaceList()173 InterfaceList::InterfaceList() {
174 memset(id_to_factory_, 0, sizeof(id_to_factory_));
175
176 // Register the API factories for each of the API types. This calls AddProxy
177 // for each InterfaceProxy type we support.
178 #define PROXIED_API(api_name) \
179 AddProxy(PROXY_API_ID(api_name), &PROXY_FACTORY_NAME(api_name));
180
181 // Register each proxied interface by calling AddPPB for each supported
182 // interface. Set current_required_permission to the appropriate value for
183 // the value you want expanded by this macro.
184 #define PROXIED_IFACE(iface_str, iface_struct) \
185 AddPPB(iface_str, \
186 INTERFACE_THUNK_NAME(iface_struct)(), \
187 current_required_permission);
188
189 {
190 Permission current_required_permission = PERMISSION_NONE;
191 #include "ppapi/thunk/interfaces_ppb_private_no_permissions.h"
192 #include "ppapi/thunk/interfaces_ppb_public_stable.h"
193 }
194 {
195 Permission current_required_permission = PERMISSION_DEV;
196 #include "ppapi/thunk/interfaces_ppb_public_dev.h"
197 }
198 {
199 Permission current_required_permission = PERMISSION_PRIVATE;
200 #include "ppapi/thunk/interfaces_ppb_private.h"
201 }
202 {
203 #if !defined(OS_NACL)
204 Permission current_required_permission = PERMISSION_FLASH;
205 #include "ppapi/thunk/interfaces_ppb_private_flash.h"
206 #endif // !defined(OS_NACL)
207 }
208 {
209 Permission current_required_permission = PERMISSION_DEV_CHANNEL;
210 #include "ppapi/thunk/interfaces_ppb_public_dev_channel.h"
211 }
212
213 #undef PROXIED_API
214 #undef PROXIED_IFACE
215
216 // Manually add some special proxies. Some of these don't have interfaces
217 // that they support, so aren't covered by the macros above, but have proxies
218 // for message routing. Others have different implementations between the
219 // proxy and the impl and there's no obvious message routing.
220 AddProxy(API_ID_RESOURCE_CREATION, &ResourceCreationProxy::Create);
221 AddProxy(API_ID_PPP_CLASS, &PPP_Class_Proxy::Create);
222 AddPPB(PPB_CORE_INTERFACE_1_0,
223 PPB_Core_Proxy::GetPPB_Core_Interface(), PERMISSION_NONE);
224 AddPPB(PPB_MESSAGELOOP_INTERFACE_1_0,
225 PPB_MessageLoop_Proxy::GetInterface(), PERMISSION_NONE);
226 AddPPB(PPB_OPENGLES2_INTERFACE_1_0,
227 PPB_OpenGLES2_Shared::GetInterface(), PERMISSION_NONE);
228 AddPPB(PPB_OPENGLES2_INSTANCEDARRAYS_INTERFACE_1_0,
229 PPB_OpenGLES2_Shared::GetInstancedArraysInterface(), PERMISSION_NONE);
230 AddPPB(PPB_OPENGLES2_FRAMEBUFFERBLIT_INTERFACE_1_0,
231 PPB_OpenGLES2_Shared::GetFramebufferBlitInterface(), PERMISSION_NONE);
232 AddPPB(PPB_OPENGLES2_FRAMEBUFFERMULTISAMPLE_INTERFACE_1_0,
233 PPB_OpenGLES2_Shared::GetFramebufferMultisampleInterface(),
234 PERMISSION_NONE);
235 AddPPB(PPB_OPENGLES2_CHROMIUMENABLEFEATURE_INTERFACE_1_0,
236 PPB_OpenGLES2_Shared::GetChromiumEnableFeatureInterface(),
237 PERMISSION_NONE);
238 AddPPB(PPB_OPENGLES2_CHROMIUMMAPSUB_INTERFACE_1_0,
239 PPB_OpenGLES2_Shared::GetChromiumMapSubInterface(), PERMISSION_NONE);
240 AddPPB(PPB_OPENGLES2_CHROMIUMMAPSUB_DEV_INTERFACE_1_0,
241 PPB_OpenGLES2_Shared::GetChromiumMapSubInterface(), PERMISSION_NONE);
242 AddPPB(PPB_OPENGLES2_QUERY_INTERFACE_1_0,
243 PPB_OpenGLES2_Shared::GetQueryInterface(), PERMISSION_NONE);
244 AddPPB(PPB_OPENGLES2_DRAWBUFFERS_DEV_INTERFACE_1_0,
245 PPB_OpenGLES2_Shared::GetDrawBuffersInterface(),
246 PERMISSION_DEV);
247 AddPPB(PPB_VAR_ARRAY_BUFFER_INTERFACE_1_0,
248 PPB_Var_Shared::GetVarArrayBufferInterface1_0(),
249 PERMISSION_NONE);
250 AddPPB(PPB_VAR_INTERFACE_1_2,
251 PPB_Var_Shared::GetVarInterface1_2(), PERMISSION_NONE);
252 AddPPB(PPB_VAR_INTERFACE_1_1,
253 PPB_Var_Shared::GetVarInterface1_1(), PERMISSION_NONE);
254 AddPPB(PPB_VAR_INTERFACE_1_0,
255 PPB_Var_Shared::GetVarInterface1_0(), PERMISSION_NONE);
256
257 #if !defined(OS_NACL)
258 // PPB (browser) interfaces.
259 // Do not add more stuff here, they should be added to interface_list*.h
260 // TODO(brettw) remove these.
261 AddProxy(API_ID_PPB_INSTANCE_PRIVATE, &ProxyFactory<PPB_Instance_Proxy>);
262 AddPPB(PPB_INSTANCE_PRIVATE_INTERFACE_0_1,
263 thunk::GetPPB_Instance_Private_0_1_Thunk(),
264 PERMISSION_PRIVATE);
265
266 AddProxy(API_ID_PPB_VAR_DEPRECATED, &ProxyFactory<PPB_Var_Deprecated_Proxy>);
267 AddPPB(PPB_VAR_DEPRECATED_INTERFACE,
268 PPB_Var_Deprecated_Proxy::GetProxyInterface(), PERMISSION_DEV);
269
270 // TODO(tomfinegan): Figure out where to put these once we refactor things
271 // to load the PPP interface struct from the PPB interface.
272 AddProxy(API_ID_PPP_CONTENT_DECRYPTOR_PRIVATE,
273 &ProxyFactory<PPP_ContentDecryptor_Private_Proxy>);
274 AddPPP(PPP_CONTENTDECRYPTOR_PRIVATE_INTERFACE,
275 PPP_ContentDecryptor_Private_Proxy::GetProxyInterface());
276 #endif
277 AddProxy(API_ID_PPB_TESTING, &ProxyFactory<PPB_Testing_Proxy>);
278 AddPPB(PPB_TESTING_PRIVATE_INTERFACE,
279 PPB_Testing_Proxy::GetProxyInterface(), PERMISSION_TESTING);
280
281 // PPP (plugin) interfaces.
282 // TODO(brettw) move these to interface_list*.h
283 AddProxy(API_ID_PPP_GRAPHICS_3D, &ProxyFactory<PPP_Graphics3D_Proxy>);
284 AddPPP(PPP_GRAPHICS_3D_INTERFACE, PPP_Graphics3D_Proxy::GetProxyInterface());
285 AddProxy(API_ID_PPP_INPUT_EVENT, &ProxyFactory<PPP_InputEvent_Proxy>);
286 AddPPP(PPP_INPUT_EVENT_INTERFACE, PPP_InputEvent_Proxy::GetProxyInterface());
287 AddProxy(API_ID_PPP_INSTANCE, &ProxyFactory<PPP_Instance_Proxy>);
288 #if !defined(OS_NACL)
289 AddPPP(PPP_INSTANCE_INTERFACE_1_1,
290 PPP_Instance_Proxy::GetInstanceInterface());
291 AddProxy(API_ID_PPP_INSTANCE_PRIVATE,
292 &ProxyFactory<PPP_Instance_Private_Proxy>);
293 AddPPP(PPP_INSTANCE_PRIVATE_INTERFACE,
294 PPP_Instance_Private_Proxy::GetProxyInterface());
295 #endif
296 AddProxy(API_ID_PPP_MESSAGING, &ProxyFactory<PPP_Messaging_Proxy>);
297 AddProxy(API_ID_PPP_MOUSE_LOCK, &ProxyFactory<PPP_MouseLock_Proxy>);
298 AddPPP(PPP_MOUSELOCK_INTERFACE, PPP_MouseLock_Proxy::GetProxyInterface());
299 AddProxy(API_ID_PPP_PRINTING, &ProxyFactory<PPP_Printing_Proxy>);
300 AddPPP(PPP_PRINTING_DEV_INTERFACE, PPP_Printing_Proxy::GetProxyInterface());
301 AddProxy(API_ID_PPP_TEXT_INPUT, &ProxyFactory<PPP_TextInput_Proxy>);
302 AddPPP(PPP_TEXTINPUT_DEV_INTERFACE, PPP_TextInput_Proxy::GetProxyInterface());
303 #if !defined(OS_NACL)
304 AddProxy(API_ID_PPP_PDF, &ProxyFactory<PPP_Pdf_Proxy>);
305 AddPPP(PPP_PDF_INTERFACE, PPP_Pdf_Proxy::GetProxyInterface());
306 AddProxy(API_ID_PPP_FIND_PRIVATE, &ProxyFactory<PPP_Find_Proxy>);
307 AddPPP(PPP_FIND_PRIVATE_INTERFACE, PPP_Find_Proxy::GetProxyInterface());
308 AddProxy(API_ID_PPP_VIDEO_DECODER_DEV, &ProxyFactory<PPP_VideoDecoder_Proxy>);
309 AddPPP(PPP_VIDEODECODER_DEV_INTERFACE,
310 PPP_VideoDecoder_Proxy::GetProxyInterface());
311 #endif
312 }
313
~InterfaceList()314 InterfaceList::~InterfaceList() {
315 }
316
317 // static
GetInstance()318 InterfaceList* InterfaceList::GetInstance() {
319 return Singleton<InterfaceList>::get();
320 }
321
322 // static
SetProcessGlobalPermissions(const PpapiPermissions & permissions)323 void InterfaceList::SetProcessGlobalPermissions(
324 const PpapiPermissions& permissions) {
325 g_process_global_permissions.Get() = permissions;
326 }
327
GetFactoryForID(ApiID id) const328 InterfaceProxy::Factory InterfaceList::GetFactoryForID(ApiID id) const {
329 int index = static_cast<int>(id);
330 COMPILE_ASSERT(API_ID_NONE == 0, none_must_be_zero);
331 if (id <= 0 || id >= API_ID_COUNT)
332 return NULL;
333 return id_to_factory_[index];
334 }
335
GetInterfaceForPPB(const std::string & name)336 const void* InterfaceList::GetInterfaceForPPB(const std::string& name) {
337 NameToInterfaceInfoMap::iterator found =
338 name_to_browser_info_.find(name);
339 if (found == name_to_browser_info_.end())
340 return NULL;
341
342 if (g_process_global_permissions.Get().HasPermission(
343 found->second.required_permission)) {
344 // Only log interface use once per plugin.
345 if (!found->second.interface_logged) {
346 PluginGlobals::Get()->GetBrowserSender()->Send(
347 new PpapiHostMsg_LogInterfaceUsage(HashInterfaceName(name)));
348 found->second.interface_logged = true;
349 }
350 return found->second.iface;
351 }
352 return NULL;
353 }
354
GetInterfaceForPPP(const std::string & name) const355 const void* InterfaceList::GetInterfaceForPPP(const std::string& name) const {
356 NameToInterfaceInfoMap::const_iterator found =
357 name_to_plugin_info_.find(name);
358 if (found == name_to_plugin_info_.end())
359 return NULL;
360 return found->second.iface;
361 }
362
AddProxy(ApiID id,InterfaceProxy::Factory factory)363 void InterfaceList::AddProxy(ApiID id,
364 InterfaceProxy::Factory factory) {
365 // For interfaces with no corresponding _Proxy objects, the macros will
366 // generate calls to this function with API_ID_NONE. This means we
367 // should just skip adding a factory for these functions.
368 if (id == API_ID_NONE)
369 return;
370
371 // The factory should be an exact dupe of the one we already have if it
372 // has already been registered before.
373 int index = static_cast<int>(id);
374 DCHECK(!id_to_factory_[index] || id_to_factory_[index] == factory);
375
376 id_to_factory_[index] = factory;
377 }
378
AddPPB(const char * name,const void * iface,Permission perm)379 void InterfaceList::AddPPB(const char* name,
380 const void* iface,
381 Permission perm) {
382 DCHECK(name_to_browser_info_.find(name) == name_to_browser_info_.end());
383 name_to_browser_info_[name] = InterfaceInfo(iface, perm);
384 }
385
AddPPP(const char * name,const void * iface)386 void InterfaceList::AddPPP(const char* name,
387 const void* iface) {
388 DCHECK(name_to_plugin_info_.find(name) == name_to_plugin_info_.end());
389 name_to_plugin_info_[name] = InterfaceInfo(iface, PERMISSION_NONE);
390 }
391
392 // static
HashInterfaceName(const std::string & name)393 int InterfaceList::HashInterfaceName(const std::string& name) {
394 uint32 data = base::Hash(name.c_str(), name.size());
395 // Strip off the signed bit because UMA doesn't support negative values,
396 // but takes a signed int as input.
397 return static_cast<int>(data & 0x7fffffff);
398 }
399
400 } // namespace proxy
401 } // namespace ppapi
402