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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "components/nacl/renderer/ppb_nacl_private_impl.h" | 5 #include "components/nacl/renderer/ppb_nacl_private_impl.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "base/bind_helpers.h" | 8 #include "base/bind_helpers.h" |
| 9 #include "base/command_line.h" | 9 #include "base/command_line.h" |
| 10 #include "base/containers/scoped_ptr_hash_map.h" | 10 #include "base/containers/scoped_ptr_hash_map.h" |
| 11 #include "base/lazy_instance.h" | 11 #include "base/lazy_instance.h" |
| 12 #include "base/logging.h" | 12 #include "base/logging.h" |
| 13 #include "base/rand_util.h" | 13 #include "base/rand_util.h" |
| 14 #include "components/nacl/common/nacl_host_messages.h" | 14 #include "components/nacl/common/nacl_host_messages.h" |
| 15 #include "components/nacl/common/nacl_messages.h" | 15 #include "components/nacl/common/nacl_messages.h" |
| 16 #include "components/nacl/common/nacl_switches.h" | 16 #include "components/nacl/common/nacl_switches.h" |
| 17 #include "components/nacl/common/nacl_types.h" | 17 #include "components/nacl/common/nacl_types.h" |
| 18 #include "components/nacl/renderer/histogram.h" | 18 #include "components/nacl/renderer/histogram.h" |
| 19 #include "components/nacl/renderer/json_manifest.h" | |
| 20 #include "components/nacl/renderer/manifest_downloader.h" | 19 #include "components/nacl/renderer/manifest_downloader.h" |
| 21 #include "components/nacl/renderer/manifest_service_channel.h" | 20 #include "components/nacl/renderer/manifest_service_channel.h" |
| 22 #include "components/nacl/renderer/nexe_load_manager.h" | 21 #include "components/nacl/renderer/nexe_load_manager.h" |
| 23 #include "components/nacl/renderer/pnacl_translation_resource_host.h" | 22 #include "components/nacl/renderer/pnacl_translation_resource_host.h" |
| 24 #include "components/nacl/renderer/sandbox_arch.h" | 23 #include "components/nacl/renderer/sandbox_arch.h" |
| 25 #include "components/nacl/renderer/trusted_plugin_channel.h" | 24 #include "components/nacl/renderer/trusted_plugin_channel.h" |
| 26 #include "content/public/common/content_client.h" | 25 #include "content/public/common/content_client.h" |
| 27 #include "content/public/common/content_switches.h" | 26 #include "content/public/common/content_switches.h" |
| 28 #include "content/public/common/sandbox_init.h" | 27 #include "content/public/common/sandbox_init.h" |
| 29 #include "content/public/renderer/pepper_plugin_instance.h" | 28 #include "content/public/renderer/pepper_plugin_instance.h" |
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| 81 | 80 |
| 82 base::LazyInstance<InstanceInfoMap> g_instance_info = | 81 base::LazyInstance<InstanceInfoMap> g_instance_info = |
| 83 LAZY_INSTANCE_INITIALIZER; | 82 LAZY_INSTANCE_INITIALIZER; |
| 84 | 83 |
| 85 typedef base::ScopedPtrHashMap<PP_Instance, NexeLoadManager> | 84 typedef base::ScopedPtrHashMap<PP_Instance, NexeLoadManager> |
| 86 NexeLoadManagerMap; | 85 NexeLoadManagerMap; |
| 87 | 86 |
| 88 base::LazyInstance<NexeLoadManagerMap> g_load_manager_map = | 87 base::LazyInstance<NexeLoadManagerMap> g_load_manager_map = |
| 89 LAZY_INSTANCE_INITIALIZER; | 88 LAZY_INSTANCE_INITIALIZER; |
| 90 | 89 |
| 91 typedef base::ScopedPtrHashMap<int32_t, nacl::JsonManifest> JsonManifestMap; | 90 NexeLoadManager* GetNexeLoadManager(PP_Instance instance) { |
| 92 | |
| 93 base::LazyInstance<JsonManifestMap> g_manifest_map = | |
| 94 LAZY_INSTANCE_INITIALIZER; | |
| 95 | |
| 96 const int kPNaClManifestId = std::numeric_limits<int>::max(); | |
| 97 int g_next_manifest_id = 0; | |
| 98 | |
| 99 nacl::NexeLoadManager* GetNexeLoadManager(PP_Instance instance) { | |
| 100 NexeLoadManagerMap& map = g_load_manager_map.Get(); | 91 NexeLoadManagerMap& map = g_load_manager_map.Get(); |
| 101 NexeLoadManagerMap::iterator iter = map.find(instance); | 92 NexeLoadManagerMap::iterator iter = map.find(instance); |
| 102 if (iter != map.end()) | 93 if (iter != map.end()) |
| 103 return iter->second; | 94 return iter->second; |
| 104 return NULL; | 95 return NULL; |
| 105 } | 96 } |
| 106 | 97 |
| 107 int GetRoutingID(PP_Instance instance) { | 98 int GetRoutingID(PP_Instance instance) { |
| 108 // Check that we are on the main renderer thread. | 99 // Check that we are on the main renderer thread. |
| 109 DCHECK(content::RenderThread::Get()); | 100 DCHECK(content::RenderThread::Get()); |
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| 993 "could not load manifest url."); | 984 "could not load manifest url."); |
| 994 } | 985 } |
| 995 | 986 |
| 996 if (pp_error == PP_OK) { | 987 if (pp_error == PP_OK) { |
| 997 std::string contents; | 988 std::string contents; |
| 998 *out_data = ppapi::StringVar::StringToPPVar(data); | 989 *out_data = ppapi::StringVar::StringToPPVar(data); |
| 999 } | 990 } |
| 1000 callback.func(callback.user_data, pp_error); | 991 callback.func(callback.user_data, pp_error); |
| 1001 } | 992 } |
| 1002 | 993 |
| 1003 int32_t CreatePNaClManifest(PP_Instance /* instance */) { | |
| 1004 return kPNaClManifestId; | |
| 1005 } | |
| 1006 | |
| 1007 int32_t CreateJsonManifest(PP_Instance instance, | |
| 1008 const char* manifest_url, | |
| 1009 const char* isa_type, | |
| 1010 const char* manifest_data) { | |
| 1011 int32_t manifest_id = g_next_manifest_id; | |
| 1012 g_next_manifest_id++; | |
| 1013 | |
| 1014 scoped_ptr<nacl::JsonManifest> j( | |
| 1015 new nacl::JsonManifest( | |
| 1016 manifest_url, | |
| 1017 isa_type, | |
| 1018 PP_ToBool(IsNonSFIModeEnabled()), | |
| 1019 PP_ToBool(NaClDebugEnabledForURL(manifest_url)))); | |
| 1020 JsonManifest::ErrorInfo error_info; | |
| 1021 if (j->Init(manifest_data, &error_info)) { | |
| 1022 g_manifest_map.Get().add(manifest_id, j.Pass()); | |
| 1023 return manifest_id; | |
| 1024 } | |
| 1025 nacl::NexeLoadManager* load_manager = GetNexeLoadManager(instance); | |
| 1026 if (load_manager) | |
| 1027 load_manager->ReportLoadError(error_info.error, error_info.string); | |
| 1028 return -1; | |
| 1029 } | |
| 1030 | |
| 1031 void DestroyManifest(PP_Instance /* instance */, | |
| 1032 int32_t manifest_id) { | |
| 1033 if (manifest_id == kPNaClManifestId) | |
| 1034 return; | |
| 1035 g_manifest_map.Get().erase(manifest_id); | |
| 1036 } | |
| 1037 | |
| 1038 PP_Bool ManifestGetProgramURL(PP_Instance instance, | |
| 1039 int32_t manifest_id, | |
| 1040 PP_Var* pp_full_url, | |
| 1041 PP_PNaClOptions* pnacl_options, | |
| 1042 PP_Bool* pp_uses_nonsfi_mode) { | |
| 1043 nacl::NexeLoadManager* load_manager = GetNexeLoadManager(instance); | |
| 1044 if (manifest_id == kPNaClManifestId) { | |
| 1045 if (load_manager) { | |
| 1046 load_manager->ReportLoadError( | |
| 1047 PP_NACL_ERROR_MANIFEST_GET_NEXE_URL, | |
| 1048 "pnacl manifest does not contain a program."); | |
| 1049 } | |
| 1050 return PP_FALSE; | |
| 1051 } | |
| 1052 | |
| 1053 JsonManifestMap::iterator it = g_manifest_map.Get().find(manifest_id); | |
| 1054 if (it == g_manifest_map.Get().end()) | |
| 1055 return PP_FALSE; | |
| 1056 | |
| 1057 bool uses_nonsfi_mode; | |
| 1058 std::string full_url; | |
| 1059 JsonManifest::ErrorInfo error_info; | |
| 1060 if (it->second->GetProgramURL(&full_url, pnacl_options, &uses_nonsfi_mode, | |
| 1061 &error_info)) { | |
| 1062 *pp_full_url = ppapi::StringVar::StringToPPVar(full_url); | |
| 1063 *pp_uses_nonsfi_mode = PP_FromBool(uses_nonsfi_mode); | |
| 1064 return PP_TRUE; | |
| 1065 } | |
| 1066 | |
| 1067 if (load_manager) | |
| 1068 load_manager->ReportLoadError(error_info.error, error_info.string); | |
| 1069 return PP_FALSE; | |
| 1070 } | |
| 1071 | |
| 1072 PP_Bool ManifestResolveKey(PP_Instance instance, | |
| 1073 int32_t manifest_id, | |
| 1074 const char* key, | |
| 1075 PP_Var* pp_full_url, | |
| 1076 PP_PNaClOptions* pnacl_options) { | |
| 1077 if (manifest_id == kPNaClManifestId) { | |
| 1078 pnacl_options->translate = PP_FALSE; | |
| 1079 // We can only resolve keys in the files/ namespace. | |
| 1080 const std::string kFilesPrefix = "files/"; | |
| 1081 std::string key_string(key); | |
| 1082 if (key_string.find(kFilesPrefix) == std::string::npos) { | |
| 1083 nacl::NexeLoadManager* load_manager = GetNexeLoadManager(instance); | |
| 1084 if (load_manager) | |
| 1085 load_manager->ReportLoadError(PP_NACL_ERROR_MANIFEST_RESOLVE_URL, | |
| 1086 "key did not start with files/"); | |
| 1087 return PP_FALSE; | |
| 1088 } | |
| 1089 std::string key_basename = key_string.substr(kFilesPrefix.length()); | |
| 1090 std::string pnacl_url = | |
| 1091 std::string("chrome://pnacl-translator/") + GetSandboxArch() + "/" + | |
| 1092 key_basename; | |
| 1093 *pp_full_url = ppapi::StringVar::StringToPPVar(pnacl_url); | |
| 1094 return PP_TRUE; | |
| 1095 } | |
| 1096 | |
| 1097 JsonManifestMap::iterator it = g_manifest_map.Get().find(manifest_id); | |
| 1098 if (it == g_manifest_map.Get().end()) | |
| 1099 return PP_FALSE; | |
| 1100 | |
| 1101 std::string full_url; | |
| 1102 bool ok = it->second->ResolveKey(key, &full_url, pnacl_options); | |
| 1103 if (ok) | |
| 1104 *pp_full_url = ppapi::StringVar::StringToPPVar(full_url); | |
| 1105 return PP_FromBool(ok); | |
| 1106 } | |
| 1107 | |
| 1108 const PPB_NaCl_Private nacl_interface = { | 994 const PPB_NaCl_Private nacl_interface = { |
| 1109 &LaunchSelLdr, | 995 &LaunchSelLdr, |
| 1110 &StartPpapiProxy, | 996 &StartPpapiProxy, |
| 1111 &UrandomFD, | 997 &UrandomFD, |
| 1112 &Are3DInterfacesDisabled, | 998 &Are3DInterfacesDisabled, |
| 1113 &BrokerDuplicateHandle, | 999 &BrokerDuplicateHandle, |
| 1114 &GetReadonlyPnaclFD, | 1000 &GetReadonlyPnaclFD, |
| 1115 &CreateTemporaryFile, | 1001 &CreateTemporaryFile, |
| 1116 &GetNumberOfProcessors, | 1002 &GetNumberOfProcessors, |
| 1117 &IsNonSFIModeEnabled, | 1003 &IsNonSFIModeEnabled, |
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| 1137 &InitializePlugin, | 1023 &InitializePlugin, |
| 1138 &GetNexeSize, | 1024 &GetNexeSize, |
| 1139 &RequestNaClManifest, | 1025 &RequestNaClManifest, |
| 1140 &GetManifestBaseURL, | 1026 &GetManifestBaseURL, |
| 1141 &ResolvesRelativeToPluginBaseURL, | 1027 &ResolvesRelativeToPluginBaseURL, |
| 1142 &ParseDataURL, | 1028 &ParseDataURL, |
| 1143 &ProcessNaClManifest, | 1029 &ProcessNaClManifest, |
| 1144 &GetManifestURLArgument, | 1030 &GetManifestURLArgument, |
| 1145 &IsPNaCl, | 1031 &IsPNaCl, |
| 1146 &DevInterfacesEnabled, | 1032 &DevInterfacesEnabled, |
| 1147 &DownloadManifestToBuffer, | 1033 &DownloadManifestToBuffer |
| 1148 &CreatePNaClManifest, | |
| 1149 &CreateJsonManifest, | |
| 1150 &DestroyManifest, | |
| 1151 &ManifestGetProgramURL, | |
| 1152 &ManifestResolveKey | |
| 1153 }; | 1034 }; |
| 1154 | 1035 |
| 1155 } // namespace | 1036 } // namespace |
| 1156 | 1037 |
| 1157 const PPB_NaCl_Private* GetNaClPrivateInterface() { | 1038 const PPB_NaCl_Private* GetNaClPrivateInterface() { |
| 1158 return &nacl_interface; | 1039 return &nacl_interface; |
| 1159 } | 1040 } |
| 1160 | 1041 |
| 1161 } // namespace nacl | 1042 } // namespace nacl |
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