setup_util_unittest.cc revision 868fa2fe829687343ffae624259930155e16dbd8
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "chrome/installer/setup/setup_util_unittest.h" 6868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <windows.h> 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string> 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/command_line.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/file_util.h" 132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/files/scoped_temp_dir.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/scoped_ptr.h" 152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/path_service.h" 16868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/process_util.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/threading/platform_thread.h" 182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/time.h" 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/win/scoped_handle.h" 20868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/win/windows_version.h" 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/common/chrome_paths.h" 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/installer/setup/setup_util.h" 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "testing/gtest/include/gtest/gtest.h" 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class SetupUtilTestWithDir : public testing::Test { 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetUp() { 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &data_dir_)); 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data_dir_ = data_dir_.AppendASCII("installer"); 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_TRUE(file_util::PathExists(data_dir_)); 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Create a temp directory for testing. 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_TRUE(test_dir_.CreateUniqueTempDir()); 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void TearDown() { 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Clean up test directory manually so we can fail if it leaks. 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_TRUE(test_dir_.Delete()); 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The temporary directory used to contain the test operations. 442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::ScopedTempDir test_dir_; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The path to input data used in tests. 472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::FilePath data_dir_; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// The privilege tested in ScopeTokenPrivilege tests below. 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use SE_RESTORE_NAME as it is one of the many privileges that is available, 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// but not enabled by default on processes running at high integrity. 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static const wchar_t kTestedPrivilege[] = SE_RESTORE_NAME; 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Returns true if the current process' token has privilege |privilege_name| 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// enabled. 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool CurrentProcessHasPrivilege(const wchar_t* privilege_name) { 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::win::ScopedHandle token; 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!::OpenProcessToken(::GetCurrentProcess(), TOKEN_QUERY, 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) token.Receive())) { 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ADD_FAILURE(); 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // First get the size of the buffer needed for |privileges| below. 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DWORD size; 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_FALSE(::GetTokenInformation(token, TokenPrivileges, NULL, 0, &size)); 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 69c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) scoped_ptr<BYTE[]> privileges_bytes(new BYTE[size]); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TOKEN_PRIVILEGES* privileges = 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reinterpret_cast<TOKEN_PRIVILEGES*>(privileges_bytes.get()); 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!::GetTokenInformation(token, TokenPrivileges, privileges, size, &size)) { 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ADD_FAILURE(); 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // There is no point getting a buffer to store more than |privilege_name|\0 as 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // anything longer will obviously not be equal to |privilege_name|. 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const DWORD desired_size = wcslen(privilege_name); 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const DWORD buffer_size = desired_size + 1; 82c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) scoped_ptr<wchar_t[]> name_buffer(new wchar_t[buffer_size]); 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = privileges->PrivilegeCount - 1; i >= 0 ; --i) { 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LUID_AND_ATTRIBUTES& luid_and_att = privileges->Privileges[i]; 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DWORD size = buffer_size; 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ::LookupPrivilegeName(NULL, &luid_and_att.Luid, name_buffer.get(), &size); 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (size == desired_size && 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) wcscmp(name_buffer.get(), privilege_name) == 0) { 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return luid_and_att.Attributes == SE_PRIVILEGE_ENABLED; 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Test that we are parsing Chrome version correctly. 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST_F(SetupUtilTestWithDir, ApplyDiffPatchTest) { 992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::FilePath work_dir(test_dir_.path()); 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) work_dir = work_dir.AppendASCII("ApplyDiffPatchTest"); 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_FALSE(file_util::PathExists(work_dir)); 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_TRUE(file_util::CreateDirectory(work_dir)); 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_TRUE(file_util::PathExists(work_dir)); 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::FilePath src = data_dir_.AppendASCII("archive1.7z"); 1062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::FilePath patch = data_dir_.AppendASCII("archive.diff"); 1072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::FilePath dest = work_dir.AppendASCII("archive2.7z"); 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(installer::ApplyDiffPatch(src, patch, dest, NULL), 0); 1092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::FilePath base = data_dir_.AppendASCII("archive2.7z"); 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_TRUE(file_util::ContentsEqual(dest, base)); 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) EXPECT_EQ(installer::ApplyDiffPatch(base::FilePath(), base::FilePath(), 1132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::FilePath(), NULL), 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6); 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Test that we are parsing Chrome version correctly. 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST_F(SetupUtilTestWithDir, GetMaxVersionFromArchiveDirTest) { 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Create a version dir 1202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::FilePath chrome_dir = test_dir_.path().AppendASCII("1.0.0.0"); 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) file_util::CreateDirectory(chrome_dir); 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_TRUE(file_util::PathExists(chrome_dir)); 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<Version> version( 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) installer::GetMaxVersionFromArchiveDir(test_dir_.path())); 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_EQ(version->GetString(), "1.0.0.0"); 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) file_util::Delete(chrome_dir, true); 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_FALSE(file_util::PathExists(chrome_dir)); 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_TRUE(installer::GetMaxVersionFromArchiveDir(test_dir_.path()) == NULL); 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) chrome_dir = test_dir_.path().AppendASCII("ABC"); 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) file_util::CreateDirectory(chrome_dir); 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_TRUE(file_util::PathExists(chrome_dir)); 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_TRUE(installer::GetMaxVersionFromArchiveDir(test_dir_.path()) == NULL); 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) chrome_dir = test_dir_.path().AppendASCII("2.3.4.5"); 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) file_util::CreateDirectory(chrome_dir); 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_TRUE(file_util::PathExists(chrome_dir)); 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) version.reset(installer::GetMaxVersionFromArchiveDir(test_dir_.path())); 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_EQ(version->GetString(), "2.3.4.5"); 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Create multiple version dirs, ensure that we select the greatest. 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) chrome_dir = test_dir_.path().AppendASCII("9.9.9.9"); 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) file_util::CreateDirectory(chrome_dir); 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_TRUE(file_util::PathExists(chrome_dir)); 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) chrome_dir = test_dir_.path().AppendASCII("1.1.1.1"); 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) file_util::CreateDirectory(chrome_dir); 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_TRUE(file_util::PathExists(chrome_dir)); 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) version.reset(installer::GetMaxVersionFromArchiveDir(test_dir_.path())); 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_EQ(version->GetString(), "9.9.9.9"); 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST_F(SetupUtilTestWithDir, DeleteFileFromTempProcess) { 1552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::FilePath test_file; 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) file_util::CreateTemporaryFileInDir(test_dir_.path(), &test_file); 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_TRUE(file_util::PathExists(test_file)); 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) file_util::WriteFile(test_file, "foo", 3); 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_TRUE(installer::DeleteFileFromTempProcess(test_file, 0)); 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(200)); 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_FALSE(file_util::PathExists(test_file)); 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Note: This test is only valid when run at high integrity (i.e. it will fail 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// at medium integrity). 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST(SetupUtilTest, ScopedTokenPrivilegeBasic) { 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_FALSE(CurrentProcessHasPrivilege(kTestedPrivilege)); 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) installer::ScopedTokenPrivilege test_scoped_privilege(kTestedPrivilege); 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_TRUE(test_scoped_privilege.is_enabled()); 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_TRUE(CurrentProcessHasPrivilege(kTestedPrivilege)); 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_FALSE(CurrentProcessHasPrivilege(kTestedPrivilege)); 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Note: This test is only valid when run at high integrity (i.e. it will fail 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// at medium integrity). 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST(SetupUtilTest, ScopedTokenPrivilegeAlreadyEnabled) { 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_FALSE(CurrentProcessHasPrivilege(kTestedPrivilege)); 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) installer::ScopedTokenPrivilege test_scoped_privilege(kTestedPrivilege); 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_TRUE(test_scoped_privilege.is_enabled()); 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_TRUE(CurrentProcessHasPrivilege(kTestedPrivilege)); 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) installer::ScopedTokenPrivilege dup_scoped_privilege(kTestedPrivilege); 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_TRUE(dup_scoped_privilege.is_enabled()); 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_TRUE(CurrentProcessHasPrivilege(kTestedPrivilege)); 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_TRUE(CurrentProcessHasPrivilege(kTestedPrivilege)); 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_FALSE(CurrentProcessHasPrivilege(kTestedPrivilege)); 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 197868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 198868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)const char kAdjustProcessPriority[] = "adjust-process-priority"; 199868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 200868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)PriorityClassChangeResult DoProcessPriorityAdjustment() { 201868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return installer::AdjustProcessPriority() ? PCCR_CHANGED : PCCR_UNCHANGED; 202868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)} 203868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 204868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)namespace { 205868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 206868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)// A scoper that sets/resets the current process's priority class. 207868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)class ScopedPriorityClass { 208868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) public: 209868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // Applies |priority_class|, returning an instance if a change was made. 210868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // Otherwise, returns an empty scoped_ptr. 211868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) static scoped_ptr<ScopedPriorityClass> Create(DWORD priority_class); 212868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) ~ScopedPriorityClass(); 213868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 214868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) private: 215868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) explicit ScopedPriorityClass(DWORD original_priority_class); 216868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) DWORD original_priority_class_; 217868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(ScopedPriorityClass); 218868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)}; 219868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 220868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)scoped_ptr<ScopedPriorityClass> ScopedPriorityClass::Create( 221868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) DWORD priority_class) { 222868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) HANDLE this_process = ::GetCurrentProcess(); 223868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) DWORD original_priority_class = ::GetPriorityClass(this_process); 224868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) EXPECT_NE(0U, original_priority_class); 225868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (original_priority_class && original_priority_class != priority_class) { 226868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) BOOL result = ::SetPriorityClass(this_process, priority_class); 227868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) EXPECT_NE(FALSE, result); 228868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (result) { 229868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return scoped_ptr<ScopedPriorityClass>( 230868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) new ScopedPriorityClass(original_priority_class)); 231868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 232868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 233868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return scoped_ptr<ScopedPriorityClass>(); 234868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)} 235868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 236868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)ScopedPriorityClass::ScopedPriorityClass(DWORD original_priority_class) 237868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) : original_priority_class_(original_priority_class) {} 238868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 239868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)ScopedPriorityClass::~ScopedPriorityClass() { 240868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) BOOL result = ::SetPriorityClass(::GetCurrentProcess(), 241868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) original_priority_class_); 242868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) EXPECT_NE(FALSE, result); 243868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)} 244868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 245868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)PriorityClassChangeResult RelaunchAndDoProcessPriorityAdjustment() { 246868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) CommandLine cmd_line(*CommandLine::ForCurrentProcess()); 247868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) cmd_line.AppendSwitch(kAdjustProcessPriority); 248868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) base::ProcessHandle process_handle = NULL; 249868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int exit_code = 0; 250868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (!base::LaunchProcess(cmd_line, base::LaunchOptions(), 251868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) &process_handle)) { 252868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) ADD_FAILURE() << " to launch subprocess."; 253868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } else if (!base::WaitForExitCode(process_handle, &exit_code)) { 254868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) ADD_FAILURE() << " to wait for subprocess to exit."; 255868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } else { 256868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return static_cast<PriorityClassChangeResult>(exit_code); 257868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 258868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return PCCR_UNKNOWN; 259868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)} 260868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 261868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)} // namespace 262868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 263868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)// Launching a subprocess at normal priority class is a noop. 264868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)TEST(SetupUtilTest, AdjustFromNormalPriority) { 265868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) ASSERT_EQ(NORMAL_PRIORITY_CLASS, ::GetPriorityClass(::GetCurrentProcess())); 266868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) EXPECT_EQ(PCCR_UNCHANGED, RelaunchAndDoProcessPriorityAdjustment()); 267868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)} 268868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 269868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)// Launching a subprocess below normal priority class drops it to bg mode for 270868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)// sufficiently recent operating systems. 271868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)TEST(SetupUtilTest, AdjustFromBelowNormalPriority) { 272868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) scoped_ptr<ScopedPriorityClass> below_normal = 273868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) ScopedPriorityClass::Create(BELOW_NORMAL_PRIORITY_CLASS); 274868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) ASSERT_TRUE(below_normal); 275868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (base::win::GetVersion() > base::win::VERSION_SERVER_2003) 276868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) EXPECT_EQ(PCCR_CHANGED, RelaunchAndDoProcessPriorityAdjustment()); 277868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) else 278868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) EXPECT_EQ(PCCR_UNCHANGED, RelaunchAndDoProcessPriorityAdjustment()); 279868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)} 280