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| 1 // Copyright 2010 Google Inc. | |
| 2 // | |
| 3 // Licensed under the Apache License, Version 2.0 (the "License"); | |
| 4 // you may not use this file except in compliance with the License. | |
| 5 // You may obtain a copy of the License at | |
| 6 // | |
| 7 // http://www.apache.org/licenses/LICENSE-2.0 | |
| 8 // | |
| 9 // Unless required by applicable law or agreed to in writing, software | |
| 10 // distributed under the License is distributed on an "AS IS" BASIS, | |
| 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 12 // See the License for the specific language governing permissions and | |
| 13 // limitations under the License. | |
| 14 // ======================================================================== | |
| 15 // | |
| 16 // Defines the Google Update 3 web broker. It defines a narrow set of interfaces | |
| 17 // to reduce the attack surface from low and medium integrity processes. | |
| 18 // The web broker used to be a COM elevation point as well, but that | |
| 19 // functionality has moved into the broker class factory. Note that since | |
| 20 // Update3Web is a COM service now, ::CoSetProxyBlanket must be called on any | |
| 21 // interfaces that need to impersonate. | |
| 22 | |
| 23 #ifndef OMAHA_GOOPDATE_UPDATE3WEB_H_ | |
| 24 #define OMAHA_GOOPDATE_UPDATE3WEB_H_ | |
| 25 | |
| 26 #include <windows.h> | |
| 27 #include <atlbase.h> | |
| 28 #include <atlcom.h> | |
| 29 #include "base/basictypes.h" | |
| 30 #include "goopdate/omaha3_idl.h" | |
| 31 #include "omaha/base/atlregmapex.h" | |
| 32 #include "omaha/base/constants.h" | |
| 33 #include "omaha/base/preprocessor_fun.h" | |
| 34 #include "omaha/common/const_goopdate.h" | |
| 35 #include "omaha/goopdate/com_proxy.h" | |
| 36 #include "omaha/goopdate/non_localized_resource.h" | |
| 37 | |
| 38 namespace omaha { | |
| 39 | |
| 40 #pragma warning(push) | |
| 41 // Construction of local static object is not thread-safe | |
| 42 #pragma warning(disable:4640) | |
| 43 | |
| 44 class ATL_NO_VTABLE Update3WebBase | |
| 45 : public CComObjectRootEx<CComObjectThreadModel>, | |
| 46 public IDispatchImpl<IGoogleUpdate3Web, | |
| 47 &__uuidof(IGoogleUpdate3Web), | |
| 48 &CAtlModule::m_libid, | |
| 49 kMajorTypeLibVersion, | |
| 50 kMinorTypeLibVersion>, | |
| 51 public IGoogleUpdate3WebSecurity, | |
| 52 public StdMarshalInfo { | |
| 53 public: | |
| 54 explicit Update3WebBase(bool is_machine) : StdMarshalInfo(is_machine), | |
| 55 is_machine_(is_machine) {} | |
| 56 | |
| 57 BEGIN_COM_MAP(Update3WebBase) | |
| 58 COM_INTERFACE_ENTRY(IDispatch) | |
| 59 COM_INTERFACE_ENTRY(IGoogleUpdate3Web) | |
| 60 COM_INTERFACE_ENTRY(IGoogleUpdate3WebSecurity) | |
| 61 COM_INTERFACE_ENTRY(IStdMarshalInfo) | |
| 62 END_COM_MAP() | |
| 63 | |
| 64 HRESULT FinalConstruct(); | |
| 65 | |
| 66 // IGoogleUpdate3Web | |
| 67 STDMETHOD(createAppBundleWeb)(IDispatch** app_bundle_web); | |
| 68 | |
| 69 // IGoogleUpdate3WebSecurity | |
| 70 STDMETHOD(setOriginURL)(BSTR origin_url); | |
| 71 | |
| 72 IGoogleUpdate3* omaha_server() const { return omaha_server_.p; } | |
| 73 HANDLE impersonation_token() const { | |
| 74 return impersonation_token_.GetHandle(); | |
| 75 } | |
| 76 HANDLE primary_token() const { return primary_token_.GetHandle(); } | |
| 77 bool is_machine_install() const { return is_machine_; } | |
| 78 CString origin_url() const { return origin_url_; } | |
| 79 | |
| 80 protected: | |
| 81 virtual ~Update3WebBase() {} | |
| 82 | |
| 83 private: | |
| 84 CComPtr<IGoogleUpdate3> omaha_server_; | |
| 85 CAccessToken impersonation_token_; | |
| 86 CAccessToken primary_token_; | |
| 87 bool is_machine_; | |
| 88 CString origin_url_; | |
| 89 | |
| 90 DISALLOW_COPY_AND_ASSIGN(Update3WebBase); | |
| 91 }; | |
| 92 | |
| 93 template <typename T> | |
| 94 class ATL_NO_VTABLE Update3Web | |
| 95 : public Update3WebBase, | |
| 96 public CComCoClass<Update3Web<T> > { | |
| 97 public: | |
| 98 Update3Web() : Update3WebBase(T::is_machine()) {} | |
| 99 | |
| 100 DECLARE_NOT_AGGREGATABLE(Update3Web); | |
| 101 DECLARE_REGISTRY_RESOURCEID_EX(T::registry_res_id()) | |
| 102 | |
| 103 BEGIN_REGISTRY_MAP() | |
| 104 REGMAP_ENTRY(_T("HKROOT"), T::hk_root()) | |
| 105 REGMAP_ENTRY(_T("VERSION"), _T("1.0")) | |
| 106 REGMAP_ENTRY(_T("PROGID"), T::prog_id()) | |
| 107 REGMAP_ENTRY(_T("DESCRIPTION"), _T("GoogleUpdate Update3Web")) | |
| 108 REGMAP_ENTRY(_T("CLSID"), T::class_id()) | |
| 109 REGMAP_MODULE2(_T("MODULE"), kOmahaOnDemandFileName) | |
| 110 REGMAP_ENTRY(_T("ICONRESID"), PP_STRINGIZE(IDI_ELEVATION_MONIKER_ICON)) | |
| 111 REGMAP_ENTRY(_T("STRINGRESID"), | |
| 112 PP_STRINGIZE(IDS_ELEVATION_MONIKER_DISPLAYNAME)) | |
| 113 END_REGISTRY_MAP() | |
| 114 | |
| 115 protected: | |
| 116 virtual ~Update3Web() {} | |
| 117 | |
| 118 private: | |
| 119 DISALLOW_COPY_AND_ASSIGN(Update3Web); | |
| 120 }; | |
| 121 | |
| 122 struct Update3WebModeUser { | |
| 123 static bool is_machine() { return false; } | |
| 124 static const TCHAR* const prog_id() { return kProgIDUpdate3WebUser; } | |
| 125 static GUID class_id() { return __uuidof(GoogleUpdate3WebUserClass); } | |
| 126 static UINT registry_res_id() { return IDR_LOCAL_SERVER_RGS; } | |
| 127 static const TCHAR* const hk_root() { return _T("HKCU"); } | |
| 128 }; | |
| 129 | |
| 130 struct Update3WebModeMachineFallback { | |
| 131 static bool is_machine() { return true; } | |
| 132 static const TCHAR* const prog_id() { | |
| 133 return kProgIDUpdate3WebMachineFallback; | |
| 134 } | |
| 135 static GUID class_id() { | |
| 136 return __uuidof(GoogleUpdate3WebMachineFallbackClass); | |
| 137 } | |
| 138 static UINT registry_res_id() { return IDR_LOCAL_SERVER_ELEVATION_RGS; } | |
| 139 static const TCHAR* const hk_root() { return _T("HKLM"); } | |
| 140 }; | |
| 141 | |
| 142 struct Update3WebModeService { | |
| 143 static bool is_machine() { return true; } | |
| 144 static const TCHAR* const prog_id() { return kProgIDUpdate3WebSvc; } | |
| 145 static GUID class_id() { return __uuidof(GoogleUpdate3WebServiceClass); } | |
| 146 static UINT registry_res_id() { return IDR_LOCAL_SERVICE_RGS; } | |
| 147 static const TCHAR* const hk_root() { return _T("HKLM"); } | |
| 148 }; | |
| 149 | |
| 150 typedef Update3Web<Update3WebModeUser> Update3WebUser; | |
| 151 typedef Update3Web<Update3WebModeMachineFallback> Update3WebMachineFallback; | |
| 152 typedef Update3Web<Update3WebModeService> Update3WebService; | |
| 153 | |
| 154 #pragma warning(pop) | |
| 155 | |
| 156 } // namespace omaha | |
| 157 | |
| 158 #endif // OMAHA_GOOPDATE_UPDATE3WEB_H_ | |
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