Potential fix for issue 26, but needs some GUI integration
This commit is contained in:
parent
801c3112b1
commit
52564a473a
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@ -183,6 +183,8 @@ IF(UNIX)
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ELSE(UNIX)
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LIST(APPEND libs Wtsapi32 Userenv)
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ADD_DEFINITIONS(
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/DWIN32
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/D_WINDOWS
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@ -204,6 +204,7 @@ SET(src_lib_platform_mswindows
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${root_lib}/platform/CMSWindowsScreen.cpp
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${root_lib}/platform/CMSWindowsScreenSaver.cpp
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${root_lib}/platform/CMSWindowsUtil.cpp
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${root_lib}/platform/CMSWindowsRelauncher.cpp
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)
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SET(inc_lib_platform_mswindows
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@ -219,6 +220,7 @@ SET(inc_lib_platform_mswindows
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${root_lib}/platform/CMSWindowsScreen.h
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${root_lib}/platform/CMSWindowsScreenSaver.h
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${root_lib}/platform/CMSWindowsUtil.h
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${root_lib}/platform/CMSWindowsRelauncher.h
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)
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SET(src_lib_platform_hook
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@ -54,8 +54,7 @@ class CArch : public IArchConsole,
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public IArchString,
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public IArchSystem,
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public IArchTaskBar,
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public IArchTime,
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public IArchAppUtil {
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public IArchTime {
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public:
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CArch();
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~CArch();
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@ -190,6 +189,10 @@ public:
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virtual int run(int argc, char** argv, CreateTaskBarReceiverFunc createTaskBarReceiver);
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virtual void beforeAppExit();
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// expose util so we don't need to re-implement all the functions
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IArchAppUtil& util() const { return *m_appUtil; }
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IArchDaemon& daemon() const { return *m_daemon; }
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private:
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static CArch* s_instance;
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@ -22,6 +22,8 @@
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#include "CMSWindowsScreen.h"
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#include "XSynergy.h"
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#include "IArchTaskBarReceiver.h"
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#include "CMSWindowsRelauncher.h"
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#include "CScreen.h"
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#include <sstream>
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#include <iostream>
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@ -80,6 +82,9 @@ CArchAppUtilWindows::parseArg(const int& argc, const char* const* argv, int& i)
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app().argsBase().m_debugServiceWait = true;
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}
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else if (app().isArg(i, argc, argv, NULL, "--relaunch")) {
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app().argsBase().m_relaunchMode = true;
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}
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else {
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// option not supported here
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return false;
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@ -187,7 +192,7 @@ CArchAppUtilWindows::stopService()
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}
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}
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LOG((CLOG_INFO "service '%s' stopping asyncronously", app().daemonName()));
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LOG((CLOG_INFO "service '%s' stopping asynchronously", app().daemonName()));
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}
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static
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@ -200,10 +205,12 @@ mainLoopStatic()
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int
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CArchAppUtilWindows::daemonNTMainLoop(int argc, const char** argv)
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{
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app().initialize(argc, argv);
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app().initApp(argc, argv);
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debugServiceWait();
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// NB: what the hell does this do?!
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app().argsBase().m_backend = false;
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app().loadConfig();
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return CArchMiscWindows::runDaemon(mainLoopStatic);
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}
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@ -305,3 +312,21 @@ CArchAppUtilWindows::debugServiceWait()
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}
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}
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}
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void
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CArchAppUtilWindows::startNode()
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{
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if (app().argsBase().m_relaunchMode) {
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LOG((CLOG_DEBUG1 "entering relaunch mode"));
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CMSWindowsRelauncher relauncher;
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relauncher.startAsync();
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// HACK: create a dummy screen, which can handle system events
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// (such as a stop request from the service controller).
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CScreen* dummyScreen = app().createScreen();
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}
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else {
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app().startNode();
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}
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}
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@ -66,6 +66,8 @@ public:
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static CArchAppUtilWindows& instance();
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void startNode();
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private:
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AppExitMode m_exitMode;
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static BOOL WINAPI consoleHandler(DWORD CEvent);
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@ -615,13 +615,14 @@ CArchDaemonWindows::serviceMain(DWORD argc, LPTSTR* argvIn)
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m_serviceState = SERVICE_START_PENDING;
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setStatus(m_serviceState, 0, 10000);
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std::string commandLine;
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// if no arguments supplied then try getting them from the registry.
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// the first argument doesn't count because it's the service name.
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Arguments args;
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ArgList myArgv;
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if (argc <= 1) {
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// read command line
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std::string commandLine;
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HKEY key = openNTServicesKey();
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key = CArchMiscWindows::openKey(key, argvIn[0]);
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key = CArchMiscWindows::openKey(key, _T("Parameters"));
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@ -685,6 +686,8 @@ CArchDaemonWindows::serviceMain(DWORD argc, LPTSTR* argvIn)
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}
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}
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m_commandLine = commandLine;
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try {
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// invoke daemon function
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m_daemonResult = m_daemonFunc(static_cast<int>(argc), argv);
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@ -83,6 +83,8 @@ public:
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virtual bool canInstallDaemon(const char* name, bool allUsers);
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virtual bool isDaemonInstalled(const char* name, bool allUsers);
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std::string commandLine() const { return m_commandLine; }
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private:
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static HKEY openNTServicesKey();
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static HKEY open95ServicesKey();
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@ -129,6 +131,8 @@ private:
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SERVICE_STATUS_HANDLE m_statusHandle;
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UINT m_quitMessage;
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std::string m_commandLine;
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};
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#endif
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@ -27,4 +27,5 @@ public:
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virtual CApp& app() const = 0;
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virtual int run(int argc, char** argv, CreateTaskBarReceiverFunc createTaskBarReceiver) = 0;
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virtual void beforeAppExit() = 0;
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virtual void startNode() = 0;
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};
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@ -0,0 +1,309 @@
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#include "CMSWindowsRelauncher.h"
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#include "CThread.h"
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#include "TMethodJob.h"
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#include "CLog.h"
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#include "CArch.h"
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#include "Version.h"
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#include "CArchDaemonWindows.h"
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#include <Tlhelp32.h>
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#include <UserEnv.h>
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#include <sstream>
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CMSWindowsRelauncher::CMSWindowsRelauncher()
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{
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}
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CMSWindowsRelauncher::~CMSWindowsRelauncher()
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{
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delete m_thread;
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}
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void
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CMSWindowsRelauncher::startAsync()
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{
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m_thread = new CThread(new TMethodJob<CMSWindowsRelauncher>(
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this, &CMSWindowsRelauncher::startThread, nullptr));
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}
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void
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CMSWindowsRelauncher::startThread(void*)
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{
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LOG((CLOG_DEBUG "starting relaunch loop"));
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int ret = relaunchLoop();
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// HACK: this actually throws an exception to exit with 0 (nasty)
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ARCH->util().app().m_bye(ret);
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}
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// this still gets the physical session (the one the keyboard and
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// mouse is connected to), sometimes this returns -1 but not sure why
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DWORD
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CMSWindowsRelauncher::getSessionId()
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{
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return WTSGetActiveConsoleSessionId();
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}
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BOOL
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CMSWindowsRelauncher::winlogonInSession(DWORD sessionId, PHANDLE process)
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{
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// first we need to take a snapshot of the running processes
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HANDLE snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
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if (snapshot == INVALID_HANDLE_VALUE) {
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LOG((CLOG_ERR "could not get process snapshot (error: %i)",
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GetLastError()));
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return 0;
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}
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PROCESSENTRY32 entry;
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entry.dwSize = sizeof(PROCESSENTRY32);
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// get the first process, and if we can't do that then it's
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// unlikely we can go any further
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BOOL gotEntry = Process32First(snapshot, &entry);
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if (!gotEntry) {
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LOG((CLOG_ERR "could not get first process entry (error: %i)",
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GetLastError()));
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return 0;
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}
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// used to record process names for debug info
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std::list<std::string> nameList;
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// now just iterate until we can find winlogon.exe pid
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DWORD pid = 0;
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while(gotEntry) {
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// make sure we're not checking the system process
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if (entry.th32ProcessID != 0) {
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DWORD processSessionId;
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BOOL pidToSidRet = ProcessIdToSessionId(
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entry.th32ProcessID, &processSessionId);
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if (!pidToSidRet) {
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LOG((CLOG_ERR "could not get session id for process id %i (error: %i)",
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entry.th32ProcessID, GetLastError()));
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return 0;
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}
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// only pay attention to processes in the active session
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if (processSessionId == sessionId) {
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// store the names so we can record them for debug
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nameList.push_back(entry.szExeFile);
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if (_stricmp(entry.szExeFile, "winlogon.exe") == 0) {
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pid = entry.th32ProcessID;
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break;
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}
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}
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}
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// now move on to the next entry (if we're not at the end)
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gotEntry = Process32Next(snapshot, &entry);
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if (!gotEntry) {
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DWORD err = GetLastError();
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if (err != ERROR_NO_MORE_FILES) {
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// only worry about error if it's not the end of the snapshot
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LOG((CLOG_ERR "could not get subsiquent process entry (error: %i)",
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GetLastError()));
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return 0;
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}
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}
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}
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std::string nameListJoin;
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for(std::list<std::string>::iterator it = nameList.begin();
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it != nameList.end(); it++) {
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nameListJoin.append(*it);
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nameListJoin.append(", ");
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}
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LOG((CLOG_DEBUG "checked processes while looking for winlogon.exe: %s",
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nameListJoin.c_str()));
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CloseHandle(snapshot);
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if (pid) {
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// now get the process so we can get the process, with which
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// we'll use to get the process token.
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*process = OpenProcess(MAXIMUM_ALLOWED, FALSE, pid);
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return true;
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}
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else {
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LOG((CLOG_DEBUG "could not find winlogon.exe in session %i", sessionId));
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return false;
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}
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}
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// gets the current user (so we can launch under their session)
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HANDLE
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CMSWindowsRelauncher::getCurrentUserToken(DWORD sessionId, LPSECURITY_ATTRIBUTES security)
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{
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HANDLE currentToken;
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HANDLE winlogonProcess;
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if (winlogonInSession(sessionId, &winlogonProcess)) {
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LOG((CLOG_DEBUG "session %i has winlogon.exe", sessionId));
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// get the token, so we can re-launch with this token
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// -- do we really need all these access bits?
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BOOL tokenRet = OpenProcessToken(
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winlogonProcess,
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TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY |
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TOKEN_DUPLICATE | TOKEN_ASSIGN_PRIMARY |
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TOKEN_ADJUST_SESSIONID | TOKEN_READ | TOKEN_WRITE,
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¤tToken);
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}
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else {
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LOG((CLOG_ERR "session %i does not have winlogon.exe "
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"which is needed for re-launch", sessionId));
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return 0;
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}
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HANDLE primaryToken;
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BOOL duplicateRet = DuplicateTokenEx(
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currentToken, MAXIMUM_ALLOWED, security,
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SecurityImpersonation, TokenPrimary, &primaryToken);
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if (!duplicateRet) {
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LOG((CLOG_ERR "could not duplicate token %i (error: %i)",
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currentToken, GetLastError()));
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return 0;
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}
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return primaryToken;
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}
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int
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CMSWindowsRelauncher::relaunchLoop()
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{
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// start with invalid id (gets re-assigned on first loop)
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DWORD sessionId = -1;
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// keep here so we can check if proc running -- huh?
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PROCESS_INFORMATION pi;
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ZeroMemory(&pi, sizeof(PROCESS_INFORMATION));
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int returnCode = kExitSuccess;
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bool launched = false;
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// TODO: fix this hack BEFORE release; we need to exit gracefully instead
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// of being force killed!
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bool loopRunning = true;
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while (loopRunning) {
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DWORD newSessionId = getSessionId();
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// only enter here when id changes, and the session isn't -1, which
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// may mean that there is no active session.
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if ((newSessionId != sessionId) && (newSessionId != -1)) {
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// HACK: doesn't close process in a nice way
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// TODO: use CloseMainWindow instead
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if (launched) {
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TerminateProcess(pi.hProcess, kExitSuccess);
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LOG((CLOG_DEBUG "terminated existing process to make way for new one"));
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launched = false;
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}
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// ok, this is now the active session (forget the old one if any)
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sessionId = newSessionId;
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SECURITY_ATTRIBUTES sa;
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ZeroMemory(&sa, sizeof(SECURITY_ATTRIBUTES));
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// get the token for the user in active session, which is the
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// one receiving input from mouse and keyboard.
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HANDLE userToken = getCurrentUserToken(sessionId, &sa);
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if (userToken != 0) {
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LOG((CLOG_DEBUG "got user token to launch new process"));
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std::string cmd = getCommand();
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// in case reusing process info struct
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ZeroMemory(&pi, sizeof(PROCESS_INFORMATION));
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STARTUPINFO si;
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ZeroMemory(&si, sizeof(STARTUPINFO));
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si.cb = sizeof(STARTUPINFO);
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si.lpDesktop = "winsta0\\default";
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LPVOID environment;
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BOOL blockRet = CreateEnvironmentBlock(&environment, userToken, FALSE);
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if (!blockRet) {
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LOG((CLOG_ERR "could not create environment block (error: %i)",
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GetLastError()));
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returnCode = kExitFailed;
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loopRunning = false; // stop loop
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}
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else {
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DWORD creationFlags =
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NORMAL_PRIORITY_CLASS |
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CREATE_NO_WINDOW |
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CREATE_UNICODE_ENVIRONMENT;
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// re-launch in current active user session
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BOOL createRet = CreateProcessAsUser(
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userToken, NULL, LPSTR(cmd.c_str()),
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&sa, NULL, TRUE, creationFlags,
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environment, NULL, &si, &pi);
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DestroyEnvironmentBlock(environment);
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CloseHandle(userToken);
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if (!createRet) {
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LOG((CLOG_ERR "could not launch (error: %i)", GetLastError()));
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returnCode = kExitFailed;
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loopRunning = false;
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}
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else {
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LOG((CLOG_DEBUG "launched in session %i (cmd: %s)",
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sessionId, cmd.c_str()));
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launched = true;
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}
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}
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}
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}
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// check for session change every second
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ARCH->sleep(1);
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}
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if (launched) {
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// HACK: kill just in case process it has survived somehow
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TerminateProcess(pi.hProcess, kExitSuccess);
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}
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return kExitSuccess;
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}
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std::string CMSWindowsRelauncher::getCommand()
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{
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// seems like a fairly convoluted way to get the process name
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const char* launchName = ARCH->util().app().argsBase().m_pname;
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std::string args = ((CArchDaemonWindows&)ARCH->daemon()).commandLine();
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// build up a full command line
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std::stringstream cmdTemp;
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cmdTemp << launchName << /*" --debug-data session-" << sessionId <<*/ args;
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std::string cmd = cmdTemp.str();
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size_t i;
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std::string find = "--relaunch";
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while((i = cmd.find(find)) != std::string::npos) {
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cmd.replace(i, find.length(), "");
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}
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return cmd;
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}
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@ -0,0 +1,21 @@
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#pragma once
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#define WIN32_LEAN_AND_MEAN
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#include <Windows.h>
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#include <string>
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class CThread;
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class CMSWindowsRelauncher {
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public:
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CMSWindowsRelauncher();
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virtual ~CMSWindowsRelauncher();
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void startAsync();
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CThread* m_thread;
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void startThread(void*);
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BOOL winlogonInSession(DWORD sessionId, PHANDLE process);
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DWORD getSessionId();
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HANDLE getCurrentUserToken(DWORD sessionId, LPSECURITY_ATTRIBUTES security);
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int relaunchLoop();
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std::string getCommand();
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};
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@ -49,6 +49,7 @@ CApp::CArgsBase::CArgsBase() :
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#if SYSAPI_WIN32
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m_daemon(false), // daemon mode not supported on windows (use --service)
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m_debugServiceWait(false),
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m_relaunchMode(false),
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#else
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m_daemon(true), // backward compatibility for unix (daemon by default)
|
||||
#endif
|
||||
|
@ -311,7 +312,7 @@ CApp::loggingFilterWarning()
|
|||
}
|
||||
|
||||
void
|
||||
CApp::initialize(int argc, const char** argv)
|
||||
CApp::initApp(int argc, const char** argv)
|
||||
{
|
||||
// parse command line
|
||||
parseArgs(argc, argv);
|
||||
|
|
|
@ -21,6 +21,7 @@ class IArchTaskBarReceiver;
|
|||
class CBufferedLogOutputter;
|
||||
class ILogOutputter;
|
||||
class CFileLogOutputter;
|
||||
class CScreen;
|
||||
|
||||
typedef IArchTaskBarReceiver* (*CreateTaskBarReceiverFunc)(const CBufferedLogOutputter*);
|
||||
typedef int (*StartupFunc)(int, char**);
|
||||
|
@ -41,6 +42,7 @@ public:
|
|||
const char* m_display;
|
||||
CString m_name;
|
||||
#if SYSAPI_WIN32
|
||||
bool m_relaunchMode;
|
||||
bool m_debugServiceWait;
|
||||
#endif
|
||||
};
|
||||
|
@ -98,10 +100,15 @@ public:
|
|||
void loggingFilterWarning();
|
||||
|
||||
// Parses args, sets up file logging, and loads the config.
|
||||
void initialize(int argc, const char** argv);
|
||||
void initApp(int argc, const char** argv);
|
||||
|
||||
// HACK: accept non-const, but make it const anyway
|
||||
void initialize(int argc, char** argv) { initialize(argc, (const char**)argv); }
|
||||
void initApp(int argc, char** argv) { initApp(argc, (const char**)argv); }
|
||||
|
||||
// Start the server or client.
|
||||
virtual void startNode() = 0;
|
||||
|
||||
virtual CScreen* createScreen() = 0;
|
||||
|
||||
protected:
|
||||
virtual void parseArgs(int argc, const char* const* argv, int &i);
|
||||
|
@ -157,6 +164,8 @@ private:
|
|||
" [--service <action>]"
|
||||
# define HELP_SYS_INFO \
|
||||
" --service <action> manage the windows service, valid options are:\n" \
|
||||
" install/uninstall/start/stop\n"
|
||||
" install/uninstall/start/stop\n" \
|
||||
" --relaunch persistently relaunches process in current user \n" \
|
||||
" session (useful for vista and upward).\n"
|
||||
|
||||
#endif
|
||||
|
|
|
@ -412,7 +412,7 @@ CClientApp::closeClient(CClient* client)
|
|||
int
|
||||
CClientApp::foregroundStartup(int argc, char** argv)
|
||||
{
|
||||
initialize(argc, argv);
|
||||
initApp(argc, argv);
|
||||
|
||||
// never daemonize
|
||||
return mainLoop();
|
||||
|
@ -483,12 +483,8 @@ CClientApp::mainLoop()
|
|||
// create the event queue
|
||||
CEventQueue eventQueue;
|
||||
|
||||
// start the client. if this return false then we've failed and
|
||||
// we shouldn't retry.
|
||||
LOG((CLOG_DEBUG1 "starting client"));
|
||||
if (!startClient()) {
|
||||
return kExitFailed;
|
||||
}
|
||||
// start client, etc
|
||||
ARCH->util().startNode();
|
||||
|
||||
// run event loop. if startClient() failed we're supposed to retry
|
||||
// later. the timer installed by startClient() will take care of
|
||||
|
@ -522,7 +518,7 @@ daemonMainLoopStatic(int argc, const char** argv)
|
|||
int
|
||||
CClientApp::standardStartup(int argc, char** argv)
|
||||
{
|
||||
initialize(argc, argv);
|
||||
initApp(argc, argv);
|
||||
|
||||
// daemonize if requested
|
||||
if (args().m_daemon) {
|
||||
|
@ -572,3 +568,14 @@ CClientApp::runInner(int argc, char** argv, ILogOutputter* outputter, StartupFun
|
|||
|
||||
return result;
|
||||
}
|
||||
|
||||
void
|
||||
CClientApp::startNode()
|
||||
{
|
||||
// start the client. if this return false then we've failed and
|
||||
// we shouldn't retry.
|
||||
LOG((CLOG_DEBUG1 "starting client"));
|
||||
if (!startClient()) {
|
||||
m_bye(kExitFailed);
|
||||
}
|
||||
}
|
||||
|
|
|
@ -73,6 +73,7 @@ public:
|
|||
bool startClient();
|
||||
void stopClient();
|
||||
int mainLoop();
|
||||
void startNode();
|
||||
|
||||
static CClientApp& instance() { return (CClientApp&)CApp::instance(); }
|
||||
|
||||
|
|
|
@ -740,12 +740,8 @@ int CServerApp::mainLoop()
|
|||
return kExitFailed;
|
||||
}
|
||||
|
||||
// start the server. if this return false then we've failed and
|
||||
// we shouldn't retry.
|
||||
LOG((CLOG_DEBUG1 "starting server"));
|
||||
if (!startServer()) {
|
||||
return kExitFailed;
|
||||
}
|
||||
// start server, etc
|
||||
ARCH->util().startNode();
|
||||
|
||||
// handle hangup signal by reloading the server's configuration
|
||||
ARCH->setSignalHandler(CArch::kHANGUP, &reloadSignalHandler, NULL);
|
||||
|
@ -839,7 +835,7 @@ int daemonMainLoopStatic(int argc, const char** argv) {
|
|||
int
|
||||
CServerApp::standardStartup(int argc, char** argv)
|
||||
{
|
||||
initialize(argc, argv);
|
||||
initApp(argc, argv);
|
||||
|
||||
// daemonize if requested
|
||||
if (args().m_daemon) {
|
||||
|
@ -853,7 +849,7 @@ CServerApp::standardStartup(int argc, char** argv)
|
|||
int
|
||||
CServerApp::foregroundStartup(int argc, char** argv)
|
||||
{
|
||||
initialize(argc, argv);
|
||||
initApp(argc, argv);
|
||||
|
||||
// never daemonize
|
||||
return mainLoop();
|
||||
|
@ -886,3 +882,13 @@ CServerApp::daemonInfo() const
|
|||
#endif
|
||||
}
|
||||
|
||||
void
|
||||
CServerApp::startNode()
|
||||
{
|
||||
// start the server. if this return false then we've failed and
|
||||
// we shouldn't retry.
|
||||
LOG((CLOG_DEBUG1 "starting server"));
|
||||
if (!startServer()) {
|
||||
m_bye(kExitFailed);
|
||||
}
|
||||
}
|
||||
|
|
|
@ -102,6 +102,7 @@ public:
|
|||
int runInner(int argc, char** argv, ILogOutputter* outputter, StartupFunc startup, CreateTaskBarReceiverFunc createTaskBarReceiver);
|
||||
int standardStartup(int argc, char** argv);
|
||||
int foregroundStartup(int argc, char** argv);
|
||||
void startNode();
|
||||
|
||||
static CServerApp& instance() { return (CServerApp&)CApp::instance(); }
|
||||
|
||||
|
|
Loading…
Reference in New Issue