mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
784 lines
24 KiB
C++
784 lines
24 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifdef MOZ_METRO
|
|
// Needed for COM calls to launch Metro applications
|
|
#undef WINVER
|
|
#undef _WIN32_WINNT
|
|
#define WINVER 0x602
|
|
#define _WIN32_WINNT 0x602
|
|
#include <objbase.h>
|
|
#include <shobjidl.h>
|
|
#pragma comment(lib, "ole32.lib")
|
|
#endif
|
|
|
|
#include <windows.h>
|
|
|
|
// Needed for CreateToolhelp32Snapshot
|
|
#include <tlhelp32.h>
|
|
#ifndef ONLY_SERVICE_LAUNCHING
|
|
|
|
#include <stdio.h>
|
|
#include "shlobj.h"
|
|
#include "updatehelper.h"
|
|
#include "pathhash.h"
|
|
|
|
// Needed for PathAppendW
|
|
#include <shlwapi.h>
|
|
#pragma comment(lib, "shlwapi.lib")
|
|
|
|
WCHAR* MakeCommandLine(int argc, WCHAR **argv);
|
|
BOOL PathAppendSafe(LPWSTR base, LPCWSTR extra);
|
|
|
|
/**
|
|
* Obtains the path of a file in the same directory as the specified file.
|
|
*
|
|
* @param destinationBuffer A buffer of size MAX_PATH + 1 to store the result.
|
|
* @param siblingFIlePath The path of another file in the same directory
|
|
* @param newFileName The filename of another file in the same directory
|
|
* @return TRUE if successful
|
|
*/
|
|
BOOL
|
|
PathGetSiblingFilePath(LPWSTR destinationBuffer,
|
|
LPCWSTR siblingFilePath,
|
|
LPCWSTR newFileName)
|
|
{
|
|
if (wcslen(siblingFilePath) >= MAX_PATH) {
|
|
return FALSE;
|
|
}
|
|
|
|
wcsncpy(destinationBuffer, siblingFilePath, MAX_PATH);
|
|
if (!PathRemoveFileSpecW(destinationBuffer)) {
|
|
return FALSE;
|
|
}
|
|
|
|
if (wcslen(destinationBuffer) + wcslen(newFileName) >= MAX_PATH) {
|
|
return FALSE;
|
|
}
|
|
|
|
return PathAppendSafe(destinationBuffer, newFileName);
|
|
}
|
|
|
|
/**
|
|
* Launch the post update application as the specified user (helper.exe).
|
|
* It takes in the path of the callback application to calculate the path
|
|
* of helper.exe. For service updates this is called from both the system
|
|
* account and the current user account.
|
|
*
|
|
* @param installationDir The path to the callback application binary.
|
|
* @param updateInfoDir The directory where update info is stored.
|
|
* @param forceSync If true even if the ini file specifies async, the
|
|
* process will wait for termination of PostUpdate.
|
|
* @param userToken The user token to run as, if NULL the current user
|
|
* will be used.
|
|
* @return TRUE if there was no error starting the process.
|
|
*/
|
|
BOOL
|
|
LaunchWinPostProcess(const WCHAR *installationDir,
|
|
const WCHAR *updateInfoDir,
|
|
bool forceSync,
|
|
HANDLE userToken)
|
|
{
|
|
WCHAR workingDirectory[MAX_PATH + 1] = { L'\0' };
|
|
wcsncpy(workingDirectory, installationDir, MAX_PATH);
|
|
|
|
// Launch helper.exe to perform post processing (e.g. registry and log file
|
|
// modifications) for the update.
|
|
WCHAR inifile[MAX_PATH + 1] = { L'\0' };
|
|
wcsncpy(inifile, installationDir, MAX_PATH);
|
|
if (!PathAppendSafe(inifile, L"updater.ini")) {
|
|
return FALSE;
|
|
}
|
|
|
|
WCHAR exefile[MAX_PATH + 1];
|
|
WCHAR exearg[MAX_PATH + 1];
|
|
WCHAR exeasync[10];
|
|
bool async = true;
|
|
if (!GetPrivateProfileStringW(L"PostUpdateWin", L"ExeRelPath", NULL, exefile,
|
|
MAX_PATH + 1, inifile)) {
|
|
return FALSE;
|
|
}
|
|
|
|
if (!GetPrivateProfileStringW(L"PostUpdateWin", L"ExeArg", NULL, exearg,
|
|
MAX_PATH + 1, inifile)) {
|
|
return FALSE;
|
|
}
|
|
|
|
if (!GetPrivateProfileStringW(L"PostUpdateWin", L"ExeAsync", L"TRUE",
|
|
exeasync,
|
|
sizeof(exeasync)/sizeof(exeasync[0]),
|
|
inifile)) {
|
|
return FALSE;
|
|
}
|
|
|
|
WCHAR exefullpath[MAX_PATH + 1] = { L'\0' };
|
|
wcsncpy(exefullpath, installationDir, MAX_PATH);
|
|
if (!PathAppendSafe(exefullpath, exefile)) {
|
|
return false;
|
|
}
|
|
|
|
WCHAR dlogFile[MAX_PATH + 1];
|
|
if (!PathGetSiblingFilePath(dlogFile, exefullpath, L"uninstall.update")) {
|
|
return FALSE;
|
|
}
|
|
|
|
WCHAR slogFile[MAX_PATH + 1] = { L'\0' };
|
|
wcsncpy(slogFile, updateInfoDir, MAX_PATH);
|
|
if (!PathAppendSafe(slogFile, L"update.log")) {
|
|
return FALSE;
|
|
}
|
|
|
|
WCHAR dummyArg[14] = { L'\0' };
|
|
wcsncpy(dummyArg, L"argv0ignored ", sizeof(dummyArg) / sizeof(dummyArg[0]) - 1);
|
|
|
|
size_t len = wcslen(exearg) + wcslen(dummyArg);
|
|
WCHAR *cmdline = (WCHAR *) malloc((len + 1) * sizeof(WCHAR));
|
|
if (!cmdline) {
|
|
return FALSE;
|
|
}
|
|
|
|
wcsncpy(cmdline, dummyArg, len);
|
|
wcscat(cmdline, exearg);
|
|
|
|
if (forceSync ||
|
|
!_wcsnicmp(exeasync, L"false", 6) ||
|
|
!_wcsnicmp(exeasync, L"0", 2)) {
|
|
async = false;
|
|
}
|
|
|
|
// We want to launch the post update helper app to update the Windows
|
|
// registry even if there is a failure with removing the uninstall.update
|
|
// file or copying the update.log file.
|
|
CopyFileW(slogFile, dlogFile, false);
|
|
|
|
STARTUPINFOW si = {sizeof(si), 0};
|
|
si.lpDesktop = L"";
|
|
PROCESS_INFORMATION pi = {0};
|
|
|
|
bool ok;
|
|
if (userToken) {
|
|
ok = CreateProcessAsUserW(userToken,
|
|
exefullpath,
|
|
cmdline,
|
|
NULL, // no special security attributes
|
|
NULL, // no special thread attributes
|
|
false, // don't inherit filehandles
|
|
0, // No special process creation flags
|
|
NULL, // inherit my environment
|
|
workingDirectory,
|
|
&si,
|
|
&pi);
|
|
} else {
|
|
ok = CreateProcessW(exefullpath,
|
|
cmdline,
|
|
NULL, // no special security attributes
|
|
NULL, // no special thread attributes
|
|
false, // don't inherit filehandles
|
|
0, // No special process creation flags
|
|
NULL, // inherit my environment
|
|
workingDirectory,
|
|
&si,
|
|
&pi);
|
|
}
|
|
free(cmdline);
|
|
if (ok) {
|
|
if (!async)
|
|
WaitForSingleObject(pi.hProcess, INFINITE);
|
|
CloseHandle(pi.hProcess);
|
|
CloseHandle(pi.hThread);
|
|
}
|
|
return ok;
|
|
}
|
|
|
|
/**
|
|
* Starts the upgrade process for update of the service if it is
|
|
* already installed.
|
|
*
|
|
* @param installDir the installation directory where
|
|
* maintenanceservice_installer.exe is located.
|
|
* @return TRUE if successful
|
|
*/
|
|
BOOL
|
|
StartServiceUpdate(LPCWSTR installDir)
|
|
{
|
|
// Get a handle to the local computer SCM database
|
|
SC_HANDLE manager = OpenSCManager(NULL, NULL,
|
|
SC_MANAGER_ALL_ACCESS);
|
|
if (!manager) {
|
|
return FALSE;
|
|
}
|
|
|
|
// Open the service
|
|
SC_HANDLE svc = OpenServiceW(manager, SVC_NAME,
|
|
SERVICE_ALL_ACCESS);
|
|
if (!svc) {
|
|
CloseServiceHandle(manager);
|
|
return FALSE;
|
|
}
|
|
CloseServiceHandle(svc);
|
|
CloseServiceHandle(manager);
|
|
|
|
// If we reach here, then the service is installed, so
|
|
// proceed with upgrading it.
|
|
|
|
STARTUPINFOW si = {0};
|
|
si.cb = sizeof(STARTUPINFOW);
|
|
// No particular desktop because no UI
|
|
si.lpDesktop = L"";
|
|
PROCESS_INFORMATION pi = {0};
|
|
|
|
WCHAR maintserviceInstallerPath[MAX_PATH + 1] = { L'\0' };
|
|
wcsncpy(maintserviceInstallerPath, installDir, MAX_PATH);
|
|
PathAppendSafe(maintserviceInstallerPath,
|
|
L"maintenanceservice_installer.exe");
|
|
WCHAR cmdLine[64] = { '\0' };
|
|
wcsncpy(cmdLine, L"dummyparam.exe /Upgrade",
|
|
sizeof(cmdLine) / sizeof(cmdLine[0]) - 1);
|
|
BOOL svcUpdateProcessStarted = CreateProcessW(maintserviceInstallerPath,
|
|
cmdLine,
|
|
NULL, NULL, FALSE,
|
|
0,
|
|
NULL, installDir, &si, &pi);
|
|
if (svcUpdateProcessStarted) {
|
|
CloseHandle(pi.hProcess);
|
|
CloseHandle(pi.hThread);
|
|
}
|
|
return svcUpdateProcessStarted;
|
|
}
|
|
|
|
#endif
|
|
|
|
/**
|
|
* Executes a maintenance service command
|
|
*
|
|
* @param argc The total number of arguments in argv
|
|
* @param argv An array of null terminated strings to pass to the service,
|
|
* @return ERROR_SUCCESS if the service command was started.
|
|
* Less than 16000, a windows system error code from StartServiceW
|
|
* More than 20000, 20000 + the last state of the service constant if
|
|
* the last state is something other than stopped.
|
|
* 17001 if the SCM could not be opened
|
|
* 17002 if the service could not be opened
|
|
*/
|
|
DWORD
|
|
StartServiceCommand(int argc, LPCWSTR* argv)
|
|
{
|
|
DWORD lastState = WaitForServiceStop(SVC_NAME, 5);
|
|
if (lastState != SERVICE_STOPPED) {
|
|
return 20000 + lastState;
|
|
}
|
|
|
|
// Get a handle to the SCM database.
|
|
SC_HANDLE serviceManager = OpenSCManager(NULL, NULL,
|
|
SC_MANAGER_CONNECT |
|
|
SC_MANAGER_ENUMERATE_SERVICE);
|
|
if (!serviceManager) {
|
|
return 17001;
|
|
}
|
|
|
|
// Get a handle to the service.
|
|
SC_HANDLE service = OpenServiceW(serviceManager,
|
|
SVC_NAME,
|
|
SERVICE_START);
|
|
if (!service) {
|
|
CloseServiceHandle(serviceManager);
|
|
return 17002;
|
|
}
|
|
|
|
// Wait at most 5 seconds trying to start the service in case of errors
|
|
// like ERROR_SERVICE_DATABASE_LOCKED or ERROR_SERVICE_REQUEST_TIMEOUT.
|
|
const DWORD maxWaitMS = 5000;
|
|
DWORD currentWaitMS = 0;
|
|
DWORD lastError = ERROR_SUCCESS;
|
|
while (currentWaitMS < maxWaitMS) {
|
|
BOOL result = StartServiceW(service, argc, argv);
|
|
if (result) {
|
|
lastError = ERROR_SUCCESS;
|
|
break;
|
|
} else {
|
|
lastError = GetLastError();
|
|
}
|
|
Sleep(100);
|
|
currentWaitMS += 100;
|
|
}
|
|
CloseServiceHandle(service);
|
|
CloseServiceHandle(serviceManager);
|
|
return lastError;
|
|
}
|
|
|
|
#ifndef ONLY_SERVICE_LAUNCHING
|
|
|
|
/**
|
|
* Launch a service initiated action for a software update with the
|
|
* specified arguments.
|
|
*
|
|
* @param exePath The path of the executable to run
|
|
* @param argc The total number of arguments in argv
|
|
* @param argv An array of null terminated strings to pass to the exePath,
|
|
* argv[0] must be the path to the updater.exe
|
|
* @return ERROR_SUCCESS if successful
|
|
*/
|
|
DWORD
|
|
LaunchServiceSoftwareUpdateCommand(int argc, LPCWSTR* argv)
|
|
{
|
|
// The service command is the same as the updater.exe command line except
|
|
// it has 2 extra args: 1) The Path to udpater.exe, and 2) the command
|
|
// being executed which is "software-update"
|
|
LPCWSTR *updaterServiceArgv = new LPCWSTR[argc + 2];
|
|
updaterServiceArgv[0] = L"MozillaMaintenance";
|
|
updaterServiceArgv[1] = L"software-update";
|
|
|
|
for (int i = 0; i < argc; ++i) {
|
|
updaterServiceArgv[i + 2] = argv[i];
|
|
}
|
|
|
|
// Execute the service command by starting the service with
|
|
// the passed in arguments.
|
|
DWORD ret = StartServiceCommand(argc + 2, updaterServiceArgv);
|
|
delete[] updaterServiceArgv;
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* Joins a base directory path with a filename.
|
|
*
|
|
* @param base The base directory path of size MAX_PATH + 1
|
|
* @param extra The filename to append
|
|
* @return TRUE if the file name was successful appended to base
|
|
*/
|
|
BOOL
|
|
PathAppendSafe(LPWSTR base, LPCWSTR extra)
|
|
{
|
|
if (wcslen(base) + wcslen(extra) >= MAX_PATH) {
|
|
return FALSE;
|
|
}
|
|
|
|
return PathAppendW(base, extra);
|
|
}
|
|
|
|
/**
|
|
* Sets update.status to pending so that the next startup will not use
|
|
* the service and instead will attempt an update the with a UAC prompt.
|
|
*
|
|
* @param updateDirPath The path of the update directory
|
|
* @return TRUE if successful
|
|
*/
|
|
BOOL
|
|
WriteStatusPending(LPCWSTR updateDirPath)
|
|
{
|
|
WCHAR updateStatusFilePath[MAX_PATH + 1] = { L'\0' };
|
|
wcsncpy(updateStatusFilePath, updateDirPath, MAX_PATH);
|
|
if (!PathAppendSafe(updateStatusFilePath, L"update.status")) {
|
|
return FALSE;
|
|
}
|
|
|
|
const char pending[] = "pending";
|
|
HANDLE statusFile = CreateFileW(updateStatusFilePath, GENERIC_WRITE, 0,
|
|
NULL, CREATE_ALWAYS, 0, NULL);
|
|
if (statusFile == INVALID_HANDLE_VALUE) {
|
|
return FALSE;
|
|
}
|
|
|
|
DWORD wrote;
|
|
BOOL ok = WriteFile(statusFile, pending,
|
|
sizeof(pending) - 1, &wrote, NULL);
|
|
CloseHandle(statusFile);
|
|
return ok && (wrote == sizeof(pending) - 1);
|
|
}
|
|
|
|
/**
|
|
* Sets update.status to a specific failure code
|
|
*
|
|
* @param updateDirPath The path of the update directory
|
|
* @return TRUE if successful
|
|
*/
|
|
BOOL
|
|
WriteStatusFailure(LPCWSTR updateDirPath, int errorCode)
|
|
{
|
|
WCHAR updateStatusFilePath[MAX_PATH + 1] = { L'\0' };
|
|
wcsncpy(updateStatusFilePath, updateDirPath, MAX_PATH);
|
|
if (!PathAppendSafe(updateStatusFilePath, L"update.status")) {
|
|
return FALSE;
|
|
}
|
|
|
|
HANDLE statusFile = CreateFileW(updateStatusFilePath, GENERIC_WRITE, 0,
|
|
NULL, CREATE_ALWAYS, 0, NULL);
|
|
if (statusFile == INVALID_HANDLE_VALUE) {
|
|
return FALSE;
|
|
}
|
|
char failure[32];
|
|
sprintf(failure, "failed: %d", errorCode);
|
|
|
|
DWORD toWrite = strlen(failure);
|
|
DWORD wrote;
|
|
BOOL ok = WriteFile(statusFile, failure,
|
|
toWrite, &wrote, NULL);
|
|
CloseHandle(statusFile);
|
|
return ok && wrote == toWrite;
|
|
}
|
|
|
|
#endif
|
|
|
|
/**
|
|
* Waits for a service to enter a stopped state.
|
|
* This function does not stop the service, it just blocks until the service
|
|
* is stopped.
|
|
*
|
|
* @param serviceName The service to wait for.
|
|
* @param maxWaitSeconds The maximum number of seconds to wait
|
|
* @return state of the service after a timeout or when stopped.
|
|
* A value of 255 is returned for an error. Typical values are:
|
|
* SERVICE_STOPPED 0x00000001
|
|
* SERVICE_START_PENDING 0x00000002
|
|
* SERVICE_STOP_PENDING 0x00000003
|
|
* SERVICE_RUNNING 0x00000004
|
|
* SERVICE_CONTINUE_PENDING 0x00000005
|
|
* SERVICE_PAUSE_PENDING 0x00000006
|
|
* SERVICE_PAUSED 0x00000007
|
|
* last status not set 0x000000CF
|
|
* Could no query status 0x000000DF
|
|
* Could not open service, access denied 0x000000EB
|
|
* Could not open service, invalid handle 0x000000EC
|
|
* Could not open service, invalid name 0x000000ED
|
|
* Could not open service, does not exist 0x000000EE
|
|
* Could not open service, other error 0x000000EF
|
|
* Could not open SCM, access denied 0x000000FD
|
|
* Could not open SCM, database does not exist 0x000000FE;
|
|
* Could not open SCM, other error 0x000000FF;
|
|
* Note: The strange choice of error codes above SERVICE_PAUSED are chosen
|
|
* in case Windows comes out with other service stats higher than 7, they
|
|
* would likely call it 8 and above. JS code that uses this in TestAUSHelper
|
|
* only handles values up to 255 so that's why we don't use GetLastError
|
|
* directly.
|
|
*/
|
|
DWORD
|
|
WaitForServiceStop(LPCWSTR serviceName, DWORD maxWaitSeconds)
|
|
{
|
|
// 0x000000CF is defined above to be not set
|
|
DWORD lastServiceState = 0x000000CF;
|
|
|
|
// Get a handle to the SCM database.
|
|
SC_HANDLE serviceManager = OpenSCManager(NULL, NULL,
|
|
SC_MANAGER_CONNECT |
|
|
SC_MANAGER_ENUMERATE_SERVICE);
|
|
if (!serviceManager) {
|
|
DWORD lastError = GetLastError();
|
|
switch(lastError) {
|
|
case ERROR_ACCESS_DENIED:
|
|
return 0x000000FD;
|
|
case ERROR_DATABASE_DOES_NOT_EXIST:
|
|
return 0x000000FE;
|
|
default:
|
|
return 0x000000FF;
|
|
}
|
|
}
|
|
|
|
// Get a handle to the service.
|
|
SC_HANDLE service = OpenServiceW(serviceManager,
|
|
serviceName,
|
|
SERVICE_QUERY_STATUS);
|
|
if (!service) {
|
|
DWORD lastError = GetLastError();
|
|
CloseServiceHandle(serviceManager);
|
|
switch(lastError) {
|
|
case ERROR_ACCESS_DENIED:
|
|
return 0x000000EB;
|
|
case ERROR_INVALID_HANDLE:
|
|
return 0x000000EC;
|
|
case ERROR_INVALID_NAME:
|
|
return 0x000000ED;
|
|
case ERROR_SERVICE_DOES_NOT_EXIST:
|
|
return 0x000000EE;
|
|
default:
|
|
return 0x000000EF;
|
|
}
|
|
}
|
|
|
|
DWORD currentWaitMS = 0;
|
|
SERVICE_STATUS_PROCESS ssp;
|
|
ssp.dwCurrentState = lastServiceState;
|
|
while (currentWaitMS < maxWaitSeconds * 1000) {
|
|
DWORD bytesNeeded;
|
|
if (!QueryServiceStatusEx(service, SC_STATUS_PROCESS_INFO, (LPBYTE)&ssp,
|
|
sizeof(SERVICE_STATUS_PROCESS), &bytesNeeded)) {
|
|
DWORD lastError = GetLastError();
|
|
switch (lastError) {
|
|
case ERROR_INVALID_HANDLE:
|
|
ssp.dwCurrentState = 0x000000D9;
|
|
break;
|
|
case ERROR_ACCESS_DENIED:
|
|
ssp.dwCurrentState = 0x000000DA;
|
|
break;
|
|
case ERROR_INSUFFICIENT_BUFFER:
|
|
ssp.dwCurrentState = 0x000000DB;
|
|
break;
|
|
case ERROR_INVALID_PARAMETER:
|
|
ssp.dwCurrentState = 0x000000DC;
|
|
break;
|
|
case ERROR_INVALID_LEVEL:
|
|
ssp.dwCurrentState = 0x000000DD;
|
|
break;
|
|
case ERROR_SHUTDOWN_IN_PROGRESS:
|
|
ssp.dwCurrentState = 0x000000DE;
|
|
break;
|
|
// These 3 errors can occur when the service is not yet stopped but
|
|
// it is stopping.
|
|
case ERROR_INVALID_SERVICE_CONTROL:
|
|
case ERROR_SERVICE_CANNOT_ACCEPT_CTRL:
|
|
case ERROR_SERVICE_NOT_ACTIVE:
|
|
currentWaitMS += 50;
|
|
Sleep(50);
|
|
continue;
|
|
default:
|
|
ssp.dwCurrentState = 0x000000DF;
|
|
}
|
|
|
|
// We couldn't query the status so just break out
|
|
break;
|
|
}
|
|
|
|
// The service is already in use.
|
|
if (ssp.dwCurrentState == SERVICE_STOPPED) {
|
|
break;
|
|
}
|
|
currentWaitMS += 50;
|
|
Sleep(50);
|
|
}
|
|
|
|
lastServiceState = ssp.dwCurrentState;
|
|
CloseServiceHandle(service);
|
|
CloseServiceHandle(serviceManager);
|
|
return lastServiceState;
|
|
}
|
|
|
|
#ifndef ONLY_SERVICE_LAUNCHING
|
|
|
|
/**
|
|
* Determines if there is at least one process running for the specified
|
|
* application. A match will be found across any session for any user.
|
|
*
|
|
* @param process The process to check for existance
|
|
* @return ERROR_NOT_FOUND if the process was not found
|
|
* ERROR_SUCCESS if the process was found and there were no errors
|
|
* Other Win32 system error code for other errors
|
|
**/
|
|
DWORD
|
|
IsProcessRunning(LPCWSTR filename)
|
|
{
|
|
// Take a snapshot of all processes in the system.
|
|
HANDLE snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
|
|
if (INVALID_HANDLE_VALUE == snapshot) {
|
|
return GetLastError();
|
|
}
|
|
|
|
PROCESSENTRY32W processEntry;
|
|
processEntry.dwSize = sizeof(PROCESSENTRY32W);
|
|
if (!Process32FirstW(snapshot, &processEntry)) {
|
|
DWORD lastError = GetLastError();
|
|
CloseHandle(snapshot);
|
|
return lastError;
|
|
}
|
|
|
|
do {
|
|
if (wcsicmp(filename, processEntry.szExeFile) == 0) {
|
|
CloseHandle(snapshot);
|
|
return ERROR_SUCCESS;
|
|
}
|
|
} while (Process32NextW(snapshot, &processEntry));
|
|
CloseHandle(snapshot);
|
|
return ERROR_NOT_FOUND;
|
|
}
|
|
|
|
/**
|
|
* Waits for the specified applicaiton to exit.
|
|
*
|
|
* @param filename The application to wait for.
|
|
* @param maxSeconds The maximum amount of seconds to wait for all
|
|
* instances of the application to exit.
|
|
* @return ERROR_SUCCESS if no instances of the application exist
|
|
* WAIT_TIMEOUT if the process is still running after maxSeconds.
|
|
* Any other Win32 system error code.
|
|
*/
|
|
DWORD
|
|
WaitForProcessExit(LPCWSTR filename, DWORD maxSeconds)
|
|
{
|
|
DWORD applicationRunningError = WAIT_TIMEOUT;
|
|
for(DWORD i = 0; i < maxSeconds; i++) {
|
|
DWORD applicationRunningError = IsProcessRunning(filename);
|
|
if (ERROR_NOT_FOUND == applicationRunningError) {
|
|
return ERROR_SUCCESS;
|
|
}
|
|
Sleep(1000);
|
|
}
|
|
|
|
if (ERROR_SUCCESS == applicationRunningError) {
|
|
return WAIT_TIMEOUT;
|
|
}
|
|
|
|
return applicationRunningError;
|
|
}
|
|
|
|
/**
|
|
* Determines if the fallback key exists or not
|
|
*
|
|
* @return TRUE if the fallback key exists and there was no error checking
|
|
*/
|
|
BOOL
|
|
DoesFallbackKeyExist()
|
|
{
|
|
HKEY testOnlyFallbackKey;
|
|
if (RegOpenKeyExW(HKEY_LOCAL_MACHINE,
|
|
TEST_ONLY_FALLBACK_KEY_PATH, 0,
|
|
KEY_READ | KEY_WOW64_64KEY,
|
|
&testOnlyFallbackKey) != ERROR_SUCCESS) {
|
|
return FALSE;
|
|
}
|
|
|
|
RegCloseKey(testOnlyFallbackKey);
|
|
return TRUE;
|
|
}
|
|
|
|
#endif
|
|
|
|
/**
|
|
* Determines if the file system for the specified file handle is local
|
|
* @param file path to check the filesystem type for, must be at most MAX_PATH
|
|
* @param isLocal out parameter which will hold TRUE if the drive is local
|
|
* @return TRUE if the call succeeded
|
|
*/
|
|
BOOL
|
|
IsLocalFile(LPCWSTR file, BOOL &isLocal)
|
|
{
|
|
WCHAR rootPath[MAX_PATH + 1] = { L'\0' };
|
|
if (wcslen(file) > MAX_PATH) {
|
|
return FALSE;
|
|
}
|
|
|
|
wcsncpy(rootPath, file, MAX_PATH);
|
|
PathStripToRootW(rootPath);
|
|
isLocal = GetDriveTypeW(rootPath) == DRIVE_FIXED;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/**
|
|
* Determines the DWORD value of a registry key value
|
|
*
|
|
* @param key The base key to where the value name exists
|
|
* @param valueName The name of the value
|
|
* @param retValue Out parameter which will hold the value
|
|
* @return TRUE on success
|
|
*/
|
|
static BOOL
|
|
GetDWORDValue(HKEY key, LPCWSTR valueName, DWORD &retValue)
|
|
{
|
|
DWORD regDWORDValueSize = sizeof(DWORD);
|
|
LONG retCode = RegQueryValueExW(key, valueName, 0, NULL,
|
|
reinterpret_cast<LPBYTE>(&retValue),
|
|
®DWORDValueSize);
|
|
return ERROR_SUCCESS == retCode;
|
|
}
|
|
|
|
/**
|
|
* Determines if the the system's elevation type allows
|
|
* unprmopted elevation. This may not 100% reflect reality since
|
|
* a reboot is necessary to change the UAC level.
|
|
*
|
|
* @param isUnpromptedElevation Out parameter which specifies if unprompted
|
|
* elevation is allowed.
|
|
* @return TRUE if the value was obtained successfully.
|
|
*/
|
|
BOOL
|
|
IsUnpromptedElevation(BOOL &isUnpromptedElevation)
|
|
{
|
|
LPCWSTR UACBaseRegKey =
|
|
L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\System";
|
|
HKEY baseKey;
|
|
LONG retCode = RegOpenKeyExW(HKEY_LOCAL_MACHINE,
|
|
UACBaseRegKey, 0,
|
|
KEY_READ, &baseKey);
|
|
if (retCode != ERROR_SUCCESS) {
|
|
return FALSE;
|
|
}
|
|
|
|
DWORD enabled, consent, secureDesktop;
|
|
BOOL success = GetDWORDValue(baseKey, L"EnableLUA", enabled);
|
|
success = success &&
|
|
GetDWORDValue(baseKey, L"ConsentPromptBehaviorAdmin", consent);
|
|
success = success &&
|
|
GetDWORDValue(baseKey, L"PromptOnSecureDesktop", secureDesktop);
|
|
isUnpromptedElevation = enabled && !consent && !secureDesktop;
|
|
|
|
RegCloseKey(baseKey);
|
|
return success;
|
|
}
|
|
|
|
#ifdef MOZ_METRO
|
|
/*
|
|
* Retrieve the app model id of the firefox metro browser.
|
|
*
|
|
* @aPathBuffer Buffer to fill
|
|
* @aCharLength Length of buffer to fill in characters
|
|
*/
|
|
bool GetDefaultBrowserAppModelID(WCHAR* aIDBuffer, long aCharLength)
|
|
{
|
|
if (!aIDBuffer || aCharLength <= 0)
|
|
return false;
|
|
|
|
memset(aIDBuffer, 0, (sizeof(WCHAR)*aCharLength));
|
|
static const WCHAR* kDefaultMetroBrowserIDPathKey = L"FirefoxURL";
|
|
|
|
HKEY key;
|
|
if (RegOpenKeyExW(HKEY_CLASSES_ROOT, kDefaultMetroBrowserIDPathKey,
|
|
0, KEY_READ, &key) != ERROR_SUCCESS) {
|
|
return false;
|
|
}
|
|
DWORD len = aCharLength * sizeof(WCHAR);
|
|
memset(aIDBuffer, 0, len);
|
|
if (RegQueryValueExW(key, L"AppUserModelID", NULL, NULL,
|
|
(LPBYTE)aIDBuffer, &len) != ERROR_SUCCESS || !len) {
|
|
RegCloseKey(key);
|
|
return false;
|
|
}
|
|
RegCloseKey(key);
|
|
return true;
|
|
}
|
|
|
|
HRESULT
|
|
LaunchDefaultMetroBrowser()
|
|
{
|
|
CoInitialize(NULL);
|
|
HRESULT hr = E_FAIL;
|
|
// The interface that allows us to activate the browser
|
|
IApplicationActivationManager *activateMgr;
|
|
if (FAILED(hr = CoCreateInstance(CLSID_ApplicationActivationManager, NULL,
|
|
CLSCTX_LOCAL_SERVER,
|
|
IID_IApplicationActivationManager,
|
|
(void**)&activateMgr))) {
|
|
CoUninitialize();
|
|
return hr;
|
|
}
|
|
|
|
// Activation is based on the browser's registered app model id
|
|
WCHAR appModelID[256];
|
|
if (!GetDefaultBrowserAppModelID(appModelID, (sizeof(appModelID)/sizeof(WCHAR)))) {
|
|
activateMgr->Release();
|
|
CoUninitialize();
|
|
return hr;
|
|
}
|
|
|
|
// Hand off focus rights to the out-of-process activation server. Without
|
|
// this the metro interface won't launch.
|
|
CoAllowSetForegroundWindow(activateMgr, NULL);
|
|
|
|
// Launch default browser in Metro
|
|
DWORD processID;
|
|
hr = activateMgr->ActivateApplication(appModelID, L"", AO_NOERRORUI,
|
|
&processID);
|
|
activateMgr->Release();
|
|
CoUninitialize();
|
|
return hr;
|
|
}
|
|
#endif
|