user_experiment.cc revision a3f7b4e666c476898878fa745f637129375cd889
12a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Copyright 2013 The Chromium Authors. All rights reserved. 22a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 32a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// found in the LICENSE file. 42a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch#include "chrome/installer/util/user_experiment.h" 62a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 70529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch#include <windows.h> 82a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <sddl.h> 92a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <wtsapi32.h> 102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <vector> 112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/command_line.h" 135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "base/files/file_path.h" 14868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/process/launch.h" 15effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch#include "base/rand_util.h" 16e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch#include "base/strings/string_number_conversions.h" 17effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch#include "base/strings/string_split.h" 18e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch#include "base/strings/string_util.h" 190529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch#include "base/strings/utf_string_conversions.h" 200529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch#include "base/win/scoped_handle.h" 212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/win/windows_version.h" 222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "chrome/common/attrition_experiments.h" 23c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "chrome/common/chrome_result_codes.h" 242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "chrome/common/chrome_switches.h" 252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "chrome/installer/util/browser_distribution.h" 265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "chrome/installer/util/google_update_constants.h" 275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "chrome/installer/util/google_update_settings.h" 285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "chrome/installer/util/helper.h" 295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "chrome/installer/util/install_util.h" 305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "chrome/installer/util/product.h" 315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "content/public/common/result_codes.h" 325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#pragma comment(lib, "wtsapi32.lib") 345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)namespace installer { 365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)namespace { 385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// The following strings are the possible outcomes of the toast experiment 405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// as recorded in the |client| field. 415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)const wchar_t kToastExpControlGroup[] = L"01"; 425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)const wchar_t kToastExpCancelGroup[] = L"02"; 435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)const wchar_t kToastExpUninstallGroup[] = L"04"; 445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)const wchar_t kToastExpTriesOkGroup[] = L"18"; 455c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liuconst wchar_t kToastExpTriesErrorGroup[] = L"28"; 465c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liuconst wchar_t kToastActiveGroup[] = L"40"; 475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)const wchar_t kToastUDDirFailure[] = L"40"; 485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)const wchar_t kToastExpBaseGroup[] = L"80"; 495c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 505c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu// Substitute the locale parameter in uninstall URL with whatever 515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// Google Update tells us is the locale. In case we fail to find 525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// the locale, we use US English. 535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)string16 LocalizeUrl(const wchar_t* url) { 545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) string16 language; 555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!GoogleUpdateSettings::GetLanguage(&language)) 565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) language = L"en-US"; // Default to US English. 575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return ReplaceStringPlaceholders(url, language.c_str(), NULL); 585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)string16 GetWelcomeBackUrl() { 615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const wchar_t kWelcomeUrl[] = L"http://www.google.com/chrome/intl/$1/" 625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) L"welcomeback-new.html"; 635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return LocalizeUrl(kWelcomeUrl); 645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 665c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu// Converts FILETIME to hours. FILETIME times are absolute times in 675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// 100 nanosecond units. For example 5:30 pm of June 15, 2009 is 3580464. 685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)int FileTimeToHours(const FILETIME& time) { 695c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu const ULONGLONG k100sNanoSecsToHours = 10000000LL * 60 * 60; 70010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) ULARGE_INTEGER uli = {time.dwLowDateTime, time.dwHighDateTime}; 71010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) return static_cast<int>(uli.QuadPart / k100sNanoSecsToHours); 72010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)} 73010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) 745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// Returns the directory last write time in hours since January 1, 1601. 75010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)// Returns -1 if there was an error retrieving the directory time. 765d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)int GetDirectoryWriteTimeInHours(const wchar_t* path) { 77010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) // To open a directory you need to pass FILE_FLAG_BACKUP_SEMANTICS. 785d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DWORD share = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE; 79010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) base::win::ScopedHandle file(::CreateFileW(path, 0, share, NULL, 805d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL)); 815d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!file.IsValid()) 825c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu return -1; 835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) FILETIME time; 855c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu return ::GetFileTime(file, NULL, NULL, &time) ? FileTimeToHours(time) : -1; 865d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// Returns the directory last-write time age in hours, relative to current 895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// time, so if it returns 14 it means that the directory was last written 14 90e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch// hours ago. Returns -1 if there was an error retrieving the directory. 91e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdochint GetDirectoryWriteAgeInHours(const wchar_t* path) { 92e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch int dir_time = GetDirectoryWriteTimeInHours(path); 93e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch if (dir_time < 0) 94e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch return dir_time; 95e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch FILETIME time; 962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) GetSystemTimeAsFileTime(&time); 97e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch int now_time = FileTimeToHours(time); 982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (dir_time >= now_time) 992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return 0; 1002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return (now_time - dir_time); 1012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Launches setup.exe (located at |setup_path|) with |cmd_line|. 1042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// If system_level_toast is true, appends --system-level-toast. 1052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// If handle to experiment result key was given at startup, re-add it. 1062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Does not wait for the process to terminate. 1072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// |cmd_line| may be modified as a result of this call. 1082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LaunchSetup(CommandLine* cmd_line, bool system_level_toast) { 1092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const CommandLine& current_cmd_line = *CommandLine::ForCurrentProcess(); 1102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Propagate --verbose-logging to the invoked setup.exe. 1122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (current_cmd_line.HasSwitch(switches::kVerboseLogging)) 1132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) cmd_line->AppendSwitch(switches::kVerboseLogging); 1142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Re-add the system level toast flag. 1162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (system_level_toast) { 1172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) cmd_line->AppendSwitch(switches::kSystemLevel); 1182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) cmd_line->AppendSwitch(switches::kSystemLevelToast); 1192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 120e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch // Re-add the toast result key. We need to do this because Setup running as 1212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // system passes the key to Setup running as user, but that child process 1222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // does not perform the actual toasting, it launches another Setup (as user) 1232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // to do so. That is the process that needs the key. 1242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) std::string key(switches::kToastResultsKey); 1252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) std::string toast_key = current_cmd_line.GetSwitchValueASCII(key); 1262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!toast_key.empty()) { 1272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) cmd_line->AppendSwitchASCII(key, toast_key); 1282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Use handle inheritance to make sure the duplicated toast results key 1302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // gets inherited by the child process. 1312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::LaunchOptions options; 132c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) options.inherit_handles = true; 1335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return base::LaunchProcess(*cmd_line, options, NULL); 1345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 1352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return base::LaunchProcess(*cmd_line, base::LaunchOptions(), NULL); 1382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// For System level installs, setup.exe lives in the system temp, which 141c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// is normally c:\windows\temp. In many cases files inside this folder 142e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch// are not accessible for execution by regular user accounts. 143e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch// This function changes the permissions so that any authenticated user 1442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// can launch |exe| later on. This function should only be called if the 1452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// code is running at the system level. 1462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool FixDACLsForExecute(const base::FilePath& exe) { 1472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // The general strategy to is to add an ACE to the exe DACL the quick 1482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // and dirty way: a) read the DACL b) convert it to sddl string c) add the 149e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch // new ACE to the string d) convert sddl string back to DACL and finally 150e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch // e) write new dacl. 1512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) char buff[1024]; 1522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DWORD len = sizeof(buff); 153e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch PSECURITY_DESCRIPTOR sd = reinterpret_cast<PSECURITY_DESCRIPTOR>(buff); 1542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!::GetFileSecurityW(exe.value().c_str(), DACL_SECURITY_INFORMATION, 1552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) sd, len, &len)) { 1562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 1572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) wchar_t* sddl = 0; 1592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!::ConvertSecurityDescriptorToStringSecurityDescriptorW(sd, 1602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SDDL_REVISION_1, DACL_SECURITY_INFORMATION, &sddl, NULL)) 161e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch return false; 162e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch string16 new_sddl(sddl); 163e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch ::LocalFree(sddl); 164e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch sd = NULL; 165e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch // See MSDN for the security descriptor definition language (SDDL) syntax, 166e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch // in our case we add "A;" generic read 'GR' and generic execute 'GX' for 167e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch // the nt\authenticated_users 'AU' group, that becomes: 1682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const wchar_t kAllowACE[] = L"(A;;GRGX;;;AU)"; 1692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We should check that there are no special ACES for the group we 1702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // are interested, which is nt\authenticated_users. 1712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (string16::npos != new_sddl.find(L";AU)")) 1722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 1732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Specific ACEs (not inherited) need to go to the front. It is ok if we 1744e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) // are the very first one. 1752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) size_t pos_insert = new_sddl.find(L"("); 1762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (string16::npos == pos_insert) 1772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 1782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // All good, time to change the dacl. 179e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch new_sddl.insert(pos_insert, kAllowACE); 180e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch if (!::ConvertStringSecurityDescriptorToSecurityDescriptorW(new_sddl.c_str(), 181e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch SDDL_REVISION_1, &sd, NULL)) 1822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 1832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool rv = ::SetFileSecurityW(exe.value().c_str(), DACL_SECURITY_INFORMATION, 1842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) sd) == TRUE; 185e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch ::LocalFree(sd); 186e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch return rv; 1872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// This function launches setup as the currently logged-in interactive 190e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch// user that is the user whose logon session is attached to winsta0\default. 191e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch// It assumes that currently we are running as SYSTEM in a non-interactive 1922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// windowstation. 1932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// The function fails if there is no interactive session active, basically 1942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// the computer is on but nobody has logged in locally. 1952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Remote Desktop sessions do not count as interactive sessions; running this 1962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// method as a user logged in via remote desktop will do nothing. 197e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdochbool LaunchSetupAsConsoleUser(CommandLine* cmd_line) { 198e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch // Convey to the invoked setup.exe that it's operating on a system-level 1992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // installation. 2002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) cmd_line->AppendSwitch(switches::kSystemLevel); 2015d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 202e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch // Propagate --verbose-logging to the invoked setup.exe. 2032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kVerboseLogging)) 204c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) cmd_line->AppendSwitch(switches::kVerboseLogging); 2055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 2065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Get the Google Update results key, and pass it on the command line to 2075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // the child process. 2085d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int key = GoogleUpdateSettings::DuplicateGoogleUpdateSystemClientKey(); 2095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) cmd_line->AppendSwitchASCII(switches::kToastResultsKey, 2105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::IntToString(key)); 2115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 2125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (base::win::GetVersion() > base::win::VERSION_XP) { 2135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Make sure that in Vista and Above we have the proper DACLs so 2145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // the interactive user can launch it. 2155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!FixDACLsForExecute(cmd_line->GetProgram())) 2165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) NOTREACHED(); 2175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 2185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 2195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DWORD console_id = ::WTSGetActiveConsoleSessionId(); 2205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (console_id == 0xFFFFFFFF) { 2215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) PLOG(ERROR) << __FUNCTION__ << " failed to get active session id"; 2225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return false; 2235d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 2245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) HANDLE user_token; 2255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!::WTSQueryUserToken(console_id, &user_token)) { 2265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) PLOG(ERROR) << __FUNCTION__ << " failed to get user token for console_id " 2275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) << console_id; 2285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return false; 2295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 2305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Note: Handle inheritance must be true in order for the child process to be 2315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // able to use the duplicated handle above (Google Update results). 2325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::LaunchOptions options; 2335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) options.as_user = user_token; 2345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) options.inherit_handles = true; 2355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) options.empty_desktop_name = true; 2365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) VLOG(1) << __FUNCTION__ << " launching " << cmd_line->GetCommandLineString(); 2375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bool launched = base::LaunchProcess(*cmd_line, options, NULL); 2385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ::CloseHandle(user_token); 2395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) VLOG(1) << __FUNCTION__ << " result: " << launched; 2405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return launched; 2415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 2425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 243e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch// A helper function that writes to HKLM if the handle was passed through the 2445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// command line, but HKCU otherwise. |experiment_group| is the value to write 2455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// and |last_write| is used when writing to HKLM to determine whether to close 2465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// the handle when done. 2475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void SetClient(const string16& experiment_group, bool last_write) { 2485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) static int reg_key_handle = -1; 2495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (reg_key_handle == -1) { 2505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // If a specific Toast Results key handle (presumably to our HKLM key) was 251010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) // passed in to the command line (such as for system level installs), we use 252010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) // it. Otherwise, we write to the key under HKCU. 253010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) const CommandLine& cmd_line = *CommandLine::ForCurrentProcess(); 254010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) if (cmd_line.HasSwitch(switches::kToastResultsKey)) { 255010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) // Get the handle to the key under HKLM. 256010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) base::StringToInt( 257010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) cmd_line.GetSwitchValueNative(switches::kToastResultsKey), 258010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) ®_key_handle); 2595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else { 2605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) reg_key_handle = 0; 2615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 2625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 2635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 2645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (reg_key_handle) { 2655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Use it to write the experiment results. 266e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch GoogleUpdateSettings::WriteGoogleUpdateSystemClientKey( 2675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) reg_key_handle, google_update::kRegClientField, experiment_group); 2685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (last_write) 2695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) CloseHandle((HANDLE) reg_key_handle); 2705d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else { 2715d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Write to HKCU. 2725d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) GoogleUpdateSettings::SetClient(experiment_group); 2735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 2745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 275e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch 2765d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} // namespace 2775d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 2785d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)bool CreateExperimentDetails(int flavor, ExperimentDetails* experiment) { 2795d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) struct FlavorDetails { 2805d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int heading_id; 2815d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int flags; 2825d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) }; 283e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch // Maximum number of experiment flavors we support. 284e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch static const int kMax = 4; 2855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // This struct determines which experiment flavors we show for each locale and 2865d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // brand. 2875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // 2885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Plugin infobar experiment: 2895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The experiment in 2011 used PIxx codes. 2905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // 2915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Inactive user toast experiment: 2925d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The experiment in Dec 2009 used TGxx and THxx. 2935d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The experiment in Feb 2010 used TKxx and TLxx. 2945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The experiment in Apr 2010 used TMxx and TNxx. 2955d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The experiment in Oct 2010 used TVxx TWxx TXxx TYxx. 2965d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The experiment in Feb 2011 used SJxx SKxx SLxx SMxx. 2975d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The experiment in Mar 2012 used ZAxx ZBxx ZCxx. 2985d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The experiment in Jan 2013 uses DAxx. 2995d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) using namespace attrition_experiments; 3005d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 3015d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) static const struct UserExperimentSpecs { 3025d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const wchar_t* locale; // Locale to show this experiment for (* for all). 3035d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const wchar_t* brands; // Brand codes show this experiment for (* for all). 3045d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int control_group; // Size of the control group, in percentages. 3055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const wchar_t* prefix; // The two letter experiment code. The second letter 3065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // will be incremented with the flavor. 3075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) FlavorDetails flavors[kMax]; 308a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } kExperiments[] = { 3095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The first match from top to bottom is used so this list should be ordered 3105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // most-specific rule first. 3115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) { L"*", L"GGRV", // All locales, GGRV is enterprise. 3125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 0, // 0 percent control group. 3135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) L"EA", // Experiment is EAxx, EBxx, etc. 3145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // No flavors means no experiment. 3155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) { { 0, 0 }, 3165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) { 0, 0 }, 3175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) { 0, 0 }, 318e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch { 0, 0 } 319e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch } 3205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) }, 3215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) { L"*", L"*", // All locales, all brands. 3225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 5, // 5 percent control group. 323e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch L"DA", // Experiment is DAxx. 324e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch // One single flavor. 3255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) { { IDS_TRY_TOAST_HEADING3, kToastUiMakeDefault }, 3265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) { 0, 0 }, 3275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) { 0, 0 }, 3285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) { 0, 0 } 329e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch } 3305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 3315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) }; 3325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 333e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch string16 locale; 3345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) GoogleUpdateSettings::GetLanguage(&locale); 3355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (locale.empty() || (locale == ASCIIToWide("en"))) 3365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) locale = ASCIIToWide("en-US"); 3375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 3385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) string16 brand; 339c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (!GoogleUpdateSettings::GetBrand(&brand)) 3405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) brand = ASCIIToWide(""); // Could still be viable for catch-all rules. 341e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch 342e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch for (int i = 0; i < arraysize(kExperiments); ++i) { 3435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (kExperiments[i].locale != locale && 3445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) kExperiments[i].locale != ASCIIToWide("*")) 3455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) continue; 3465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 3475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) std::vector<string16> brand_codes; 3485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::SplitString(kExperiments[i].brands, L',', &brand_codes); 3495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (brand_codes.empty()) 350e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch return false; 351e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch for (std::vector<string16>::iterator it = brand_codes.begin(); 352e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch it != brand_codes.end(); ++it) { 353e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch if (*it != brand && *it != L"*") 3545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) continue; 3550529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch // We have found our match. 3560529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch const UserExperimentSpecs& match = kExperiments[i]; 3570529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch // Find out how many flavors we have. Zero means no experiment. 3580529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch int num_flavors = 0; 3590529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch while (match.flavors[num_flavors].heading_id) { ++num_flavors; } 3600529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch if (!num_flavors) 3610529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch return false; 3620529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch 3630529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch if (flavor < 0) 3640529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch flavor = base::RandInt(0, num_flavors - 1); 3655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) experiment->flavor = flavor; 3665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) experiment->heading = match.flavors[flavor].heading_id; 3675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) experiment->control_group = match.control_group; 3685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const wchar_t prefix[] = { match.prefix[0], match.prefix[1] + flavor, 0 }; 369e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch experiment->prefix = prefix; 370e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch experiment->flags = match.flavors[flavor].flags; 371e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch return true; 3725d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 3735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 374e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch 375e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch return false; 3765d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 3775c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 3785c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu// Currently we only have one experiment: the inactive user toast. Which only 3795d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// applies for users doing upgrades. 380e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch 3815c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu// There are three scenarios when this function is called: 3825c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu// 1- Is a per-user-install and it updated: perform the experiment 3835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// 2- Is a system-install and it updated : relaunch as the interactive user 3845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// 3- It has been re-launched from the #2 case. In this case we enter 3855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// this function with |system_install| true and a REENTRY_SYS_UPDATE status. 3865d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void LaunchBrowserUserExperiment(const CommandLine& base_cmd_line, 3875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) InstallStatus status, 3885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bool system_level) { 3895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (system_level) { 390e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch if (NEW_VERSION_UPDATED == status) { 391e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch CommandLine cmd_line(base_cmd_line); 3925d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) cmd_line.AppendSwitch(switches::kSystemLevelToast); 3935d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // We need to relaunch as the interactive user. 3945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) LaunchSetupAsConsoleUser(&cmd_line); 3955d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 3965d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 3975d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else { 3985d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (status != NEW_VERSION_UPDATED && status != REENTRY_SYS_UPDATE) { 3995d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // We are not updating or in re-launch. Exit. 4005d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 4015d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 4025d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 4035d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 404 // The |flavor| value ends up being processed by TryChromeDialogView to show 405 // different experiments. 406 ExperimentDetails experiment; 407 if (!CreateExperimentDetails(-1, &experiment)) { 408 VLOG(1) << "Failed to get experiment details."; 409 return; 410 } 411 int flavor = experiment.flavor; 412 string16 base_group = experiment.prefix; 413 414 string16 brand; 415 if (GoogleUpdateSettings::GetBrand(&brand) && (brand == L"CHXX")) { 416 // Testing only: the user automatically qualifies for the experiment. 417 VLOG(1) << "Experiment qualification bypass"; 418 } else { 419 // Check that the user was not already drafted in this experiment. 420 string16 client; 421 GoogleUpdateSettings::GetClient(&client); 422 if (client.size() > 2) { 423 if (base_group == client.substr(0, 2)) { 424 VLOG(1) << "User already participated in this experiment"; 425 return; 426 } 427 } 428 // Check browser usage inactivity by the age of the last-write time of the 429 // most recently-used chrome user data directory. 430 std::vector<base::FilePath> user_data_dirs; 431 BrowserDistribution* dist = BrowserDistribution::GetSpecificDistribution( 432 BrowserDistribution::CHROME_BROWSER); 433 GetChromeUserDataPaths(dist, &user_data_dirs); 434 int dir_age_hours = -1; 435 for (size_t i = 0; i < user_data_dirs.size(); ++i) { 436 int this_age = GetDirectoryWriteAgeInHours( 437 user_data_dirs[i].value().c_str()); 438 if (this_age >= 0 && (dir_age_hours < 0 || this_age < dir_age_hours)) 439 dir_age_hours = this_age; 440 } 441 442 const bool experiment_enabled = false; 443 const int kThirtyDays = 30 * 24; 444 445 if (!experiment_enabled) { 446 VLOG(1) << "Toast experiment is disabled."; 447 return; 448 } else if (dir_age_hours < 0) { 449 // This means that we failed to find the user data dir. The most likely 450 // cause is that this user has not ever used chrome at all which can 451 // happen in a system-level install. 452 SetClient(base_group + kToastUDDirFailure, true); 453 return; 454 } else if (dir_age_hours < kThirtyDays) { 455 // An active user, so it does not qualify. 456 VLOG(1) << "Chrome used in last " << dir_age_hours << " hours"; 457 SetClient(base_group + kToastActiveGroup, true); 458 return; 459 } 460 // Check to see if this user belongs to the control group. 461 double control_group = 1.0 * (100 - experiment.control_group) / 100; 462 if (base::RandDouble() > control_group) { 463 SetClient(base_group + kToastExpControlGroup, true); 464 VLOG(1) << "User is control group"; 465 return; 466 } 467 } 468 469 VLOG(1) << "User drafted for toast experiment " << flavor; 470 SetClient(base_group + kToastExpBaseGroup, false); 471 // User level: The experiment needs to be performed in a different process 472 // because google_update expects the upgrade process to be quick and nimble. 473 // System level: We have already been relaunched, so we don't need to be 474 // quick, but we relaunch to follow the exact same codepath. 475 CommandLine cmd_line(base_cmd_line); 476 cmd_line.AppendSwitchASCII(switches::kInactiveUserToast, 477 base::IntToString(flavor)); 478 cmd_line.AppendSwitchASCII(switches::kExperimentGroup, 479 WideToASCII(base_group)); 480 LaunchSetup(&cmd_line, system_level); 481} 482 483// User qualifies for the experiment. To test, use --try-chrome-again=|flavor| 484// as a parameter to chrome.exe. 485void InactiveUserToastExperiment(int flavor, 486 const string16& experiment_group, 487 const Product& product, 488 const base::FilePath& application_path) { 489 // Add the 'welcome back' url for chrome to show. 490 CommandLine options(CommandLine::NO_PROGRAM); 491 options.AppendSwitchNative(::switches::kTryChromeAgain, 492 base::IntToString16(flavor)); 493 // Prepend the url with a space. 494 string16 url(GetWelcomeBackUrl()); 495 options.AppendArg("--"); 496 options.AppendArgNative(url); 497 // The command line should now have the url added as: 498 // "chrome.exe -- <url>" 499 DCHECK_NE(string16::npos, 500 options.GetCommandLineString().find(L" -- " + url)); 501 502 // Launch chrome now. It will show the toast UI. 503 int32 exit_code = 0; 504 if (!product.LaunchChromeAndWait(application_path, options, &exit_code)) 505 return; 506 507 // The chrome process has exited, figure out what happened. 508 const wchar_t* outcome = NULL; 509 switch (exit_code) { 510 case content::RESULT_CODE_NORMAL_EXIT: 511 outcome = kToastExpTriesOkGroup; 512 break; 513 case chrome::RESULT_CODE_NORMAL_EXIT_CANCEL: 514 outcome = kToastExpCancelGroup; 515 break; 516 case chrome::RESULT_CODE_NORMAL_EXIT_EXP2: 517 outcome = kToastExpUninstallGroup; 518 break; 519 default: 520 outcome = kToastExpTriesErrorGroup; 521 }; 522 // Write to the |client| key for the last time. 523 SetClient(experiment_group + outcome, true); 524 525 if (outcome != kToastExpUninstallGroup) 526 return; 527 // The user wants to uninstall. This is a best effort operation. Note that 528 // we waited for chrome to exit so the uninstall would not detect chrome 529 // running. 530 bool system_level_toast = CommandLine::ForCurrentProcess()->HasSwitch( 531 switches::kSystemLevelToast); 532 533 CommandLine cmd(InstallUtil::GetChromeUninstallCmd( 534 system_level_toast, product.distribution()->GetType())); 535 base::LaunchProcess(cmd, base::LaunchOptions(), NULL); 536} 537 538} // namespace installer 539