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| 1 // Copyright 2007-2009 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 // Helper for the Google Update repair file. It launches the same repair file | |
| 17 // elevated using the MSP. | |
| 18 | |
| 19 #include "omaha/recovery/repair_exe/repair_goopdate.h" | |
| 20 #include "omaha/base/debug.h" | |
| 21 #include "omaha/base/logging.h" | |
| 22 #include "omaha/base/utils.h" | |
| 23 #include "omaha/base/vistautil.h" | |
| 24 #include "omaha/recovery/repair_exe/mspexecutableelevator.h" | |
| 25 | |
| 26 namespace omaha { | |
| 27 | |
| 28 // Returns without launching the repair file if is_machine is false, running | |
| 29 // on a pre-Windows Vista OS, or the current user is Local System. | |
| 30 // This method does not always launch the repair file because we expect this | |
| 31 // to be called from the repair file, and there is no reason to launch another | |
| 32 // process. | |
| 33 bool LaunchRepairFileElevated(bool is_machine, | |
| 34 const TCHAR* repair_file, | |
| 35 const TCHAR* args, | |
| 36 HRESULT* elevation_hr) { | |
| 37 ASSERT1(elevation_hr); | |
| 38 | |
| 39 *elevation_hr = S_OK; | |
| 40 | |
| 41 if (!is_machine) { | |
| 42 UTIL_LOG(L2, (_T("[user instance - not elevating]"))); | |
| 43 return false; | |
| 44 } | |
| 45 if (!vista_util::IsVistaOrLater()) { | |
| 46 UTIL_LOG(L2, (_T("[Pre-Windows Vista OS - not elevating]"))); | |
| 47 return false; | |
| 48 } | |
| 49 | |
| 50 bool is_user_local_system = false; | |
| 51 HRESULT hr = IsSystemProcess(&is_user_local_system); | |
| 52 if (SUCCEEDED(hr) && is_user_local_system) { | |
| 53 UTIL_LOG(L2, (_T("[User is already SYSTEM - not elevating]"))); | |
| 54 return false; | |
| 55 } | |
| 56 | |
| 57 HANDLE process = NULL; | |
| 58 *elevation_hr = msp_executable_elevator::ExecuteGoogleSignedExe( | |
| 59 repair_file, | |
| 60 args, | |
| 61 kHelperInstallerProductGuid, | |
| 62 kHelperPatchGuid, | |
| 63 kHelperPatchName, | |
| 64 &process); | |
| 65 // Our implementation of msp_executable_elevator does not set the process | |
| 66 // handle parameter, but we did not remove it from the borrowed code. | |
| 67 ASSERT1(!process); | |
| 68 | |
| 69 if (FAILED(*elevation_hr)) { | |
| 70 UTIL_LOG(LE, (_T("[ExecuteGoogleSignedExe failed][error 0x%08x]"), | |
| 71 *elevation_hr)); | |
| 72 return false; | |
| 73 } | |
| 74 | |
| 75 return true; | |
| 76 } | |
| 77 | |
| 78 } // namespace omaha | |
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Chromium Code Reviews
Issue 624713003:
Keep only base/extractor.[cc|h]. (Closed)
Base URL: https://chromium.googlesource.com/external/omaha.git@master