Patch by Frode Lillerud <frode@enkelt.no>

- Basic implementation of logoff.exe
See issue #2509 for more details.

svn path=/trunk/; revision=28137

reactos/base/applications/applications.rbuild

@@ -25,6 +25,9 @@
 <directory name="hostname">
 	<xi:include href="hostname/hostname.rbuild" />
 </directory>
+<directory name="logoff">
+	<xi:include href="logoff/logoff.rbuild" />
+</directory>
 <directory name="msconfig">
 	<xi:include href="msconfig/msconfig.rbuild" />
 </directory>

reactos/base/applications/logoff/lang/en-US.rc

@@ -0,0 +1,15 @@
+LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
+
+STRINGTABLE DISCARDABLE
+{
+
+IDS_USAGE, "Terminates a session.\n\n\
+  /v\t\tDisplays information about the actions performed.\n\
+  /?\t\tShows this information.\n\n"
+
+IDS_LOGOFF_REMOTE, "Terminating session on remote machine."
+IDS_LOGOFF_LOCAL, "Terminating the current session on this machine."
+
+IDS_ILLEGAL_PARAM, "Invalid parameter(s)\n"
+}
+/* EOF */

reactos/base/applications/logoff/lang/nb-NO.rc

@@ -0,0 +1,16 @@
+LANGUAGE LANG_NORWEGIAN, SUBLANG_NEUTRAL
+
+STRINGTABLE DISCARDABLE
+{
+
+IDS_USAGE, "Avslutter en sesjon.\n\n\
+  /v\t\tViser informasjon om handlingen som utføres.\n\
+  /?\t\tViser denne informasjonen.\n\n"
+
+IDS_LOGOFF_REMOTE, "Logger av økt på en annen maskin"
+IDS_LOGOFF_LOCAL, "Logger av økten på denne maskinen."
+
+IDS_ILLEGAL_PARAM, "En eller flere ugyldige parametre.\n"
+}
+
+/* EOF */

reactos/base/applications/logoff/logoff.c

@@ -0,0 +1,146 @@
+/*
+ * COPYRIGHT:	See COPYING in the top level directory
+ * PROJECT:	ReactOS logoff utility
+ * FILE:		base\applications\logoff\logoff.c
+ * PURPOSE:	Logoff current session, or another session, potentially on another machine
+ * AUTHOR:	30.07.2007 - Frode Lillerud
+ */
+ 
+/* Note
+ * This application is a lightweight version of shutdown.exe. It is intended to be function-compatible
+ * with Windows' system32\logoff.exe commandline application.
+ */
+ 
+#define NDEBUG
+#include "precomp.h"
+
+//Commandline argument switches
+LPTSTR szRemoteServerName = NULL;
+BOOL bVerbose;
+
+//---------------------------------------------------------------------- 
+//
+//Retrieve resource string and output the Usage to the console
+//
+//----------------------------------------------------------------------
+static void PrintUsage() {
+	LPTSTR lpUsage = NULL;
+	
+	if (AllocAndLoadString(&lpUsage, GetModuleHandle(NULL), IDS_USAGE)) {
+		_putts(lpUsage);
+	}
+	
+}
+
+//----------------------------------------------------------------------
+//
+// Writes the last error as both text and error code to the console.
+//
+//----------------------------------------------------------------------
+void DisplayLastError()
+{
+	int errorCode = GetLastError();
+	LPTSTR lpMsgBuf;
+	
+	// Display the error message to the user
+	FormatMessage(
+		FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
+		NULL,
+		errorCode,
+		LANG_USER_DEFAULT,
+		(LPTSTR) &lpMsgBuf,
+		0,
+		NULL);
+	
+	_ftprintf(stderr, lpMsgBuf);
+	_ftprintf(stderr, _T("Error code: %d\n"), errorCode);
+	
+	LocalFree(lpMsgBuf);
+}
+
+//----------------------------------------------------------------------
+//
+//Sets flags based on commandline arguments
+//
+//----------------------------------------------------------------------
+BOOL ParseCommandLine(int argc, TCHAR *argv[])
+{
+	int i;
+	LPTSTR lpIllegalMsg;
+	
+	//FIXME: Add handling of commandline arguments to select the session number and name, and also name of remote machine
+	//Example: logoff.exe 4 /SERVER:Master should logoff session number 4 on remote machine called Master.
+	
+	for (i = 1; i < argc; i++) {
+		switch(argv[i][0]){
+		case '-':
+		case '/':
+			// -v (verbose)
+			if (argv[i][1] == 'v') {
+				bVerbose = TRUE;
+				break; //continue parsing the arguments
+			}
+			// -? (usage)
+			else if(argv[i][1] == '?') {
+				return FALSE; //display the Usage
+			}			
+		default:
+			//Invalid parameter detected
+			if (AllocAndLoadString(&lpIllegalMsg, GetModuleHandle(NULL), IDS_ILLEGAL_PARAM))
+			_putts(lpIllegalMsg); 
+			return FALSE;
+		}
+	}
+
+	return TRUE;
+}
+
+//----------------------------------------------------------------------
+//
+//Main entry for program
+//
+//----------------------------------------------------------------------
+int _tmain(int argc, TCHAR *argv[])
+{
+	LPTSTR lpLogoffRemote, lpLogoffLocal;
+
+	//
+	// Parse command line
+	//
+	if (!ParseCommandLine(argc, argv)) {	
+		PrintUsage();
+		return 1;
+	}
+		
+	//
+	//Should we log off session on remote server?
+	//
+	if (szRemoteServerName) {
+		if (bVerbose) { 
+			if (AllocAndLoadString(&lpLogoffRemote, GetModuleHandle(NULL), IDS_LOGOFF_REMOTE))
+			_putts(lpLogoffRemote); 
+		}
+		
+		//FIXME: Add Remote Procedure Call to logoff user on a remote machine
+		_ftprintf(stderr, "Remote Procedure Call in logoff.exe has not been implemented");
+	}
+	//
+	//Perform logoff of current session on local machine instead
+	//
+	else {
+		if (bVerbose) {
+			//Get resource string, and print it.
+			if (AllocAndLoadString(&lpLogoffLocal, GetModuleHandle(NULL), IDS_LOGOFF_LOCAL))
+			_putts(lpLogoffLocal); 
+		}
+		
+		//Actual logoff
+		if (!ExitWindows(NULL, NULL)) {
+			DisplayLastError();
+			return 1;
+		}
+	}
+		
+	return 0;
+}
+/* EOF */

reactos/base/applications/logoff/logoff.rbuild

@@ -0,0 +1,14 @@
+<?xml version="1.0"?>
+<!DOCTYPE project SYSTEM "tools/rbuild/project.dtd">
+<module name="logoff" type="win32cui" installbase="system32" installname="logoff.exe">
+	<include base="logoff">.</include>
+	<define name="__USE_W32API" />
+	<define name="WINVER">0x0501</define>
+	<library>advapi32</library>
+	<library>user32</library>
+	<library>kernel32</library>
+	<file>misc.c</file>
+	<file>logoff.c</file>
+	<file>logoff.rc</file>
+	<pch>precomp.h</pch>
+</module>

reactos/base/applications/logoff/logoff.rc

@@ -0,0 +1,9 @@
+#include <windows.h>
+#include "resource.h"
+
+#define REACTOS_STR_FILE_DESCRIPTION	"ReactOS Logoff Utility\0"
+#define REACTOS_STR_INTERNAL_NAME	"logoff\0"
+#define REACTOS_STR_ORIGINAL_FILENAME	"logoff.exe\0"
+#include <reactos/version.rc>
+
+#include "rsrc.rc"

reactos/base/applications/logoff/misc.c

@@ -0,0 +1,63 @@
+#include "precomp.h"
+
+static INT
+LengthOfStrResource(IN HINSTANCE hInst,
+                    IN UINT uID)
+{
+    HRSRC hrSrc;
+    HGLOBAL hRes;
+    LPWSTR lpName, lpStr;
+
+    if (hInst == NULL)
+    {
+        return -1;
+    }
+
+    /* There are always blocks of 16 strings */
+    lpName = (LPWSTR)MAKEINTRESOURCE((uID >> 4) + 1);
+
+    /* Find the string table block */
+    if ((hrSrc = FindResourceW(hInst, lpName, (LPWSTR)RT_STRING)) &&
+        (hRes = LoadResource(hInst, hrSrc)) &&
+        (lpStr = (WCHAR*) LockResource(hRes)))
+    {
+        UINT x;
+
+        /* Find the string we're looking for */
+        uID &= 0xF; /* position in the block, same as % 16 */
+        for (x = 0; x < uID; x++)
+        {
+            lpStr += (*lpStr) + 1;
+        }
+
+        /* Found the string */
+        return (int)(*lpStr);
+    }
+    return -1;
+}
+
+INT
+AllocAndLoadString(OUT LPTSTR *lpTarget,
+                   IN HINSTANCE hInst,
+                   IN UINT uID)
+{
+    INT ln;
+
+    ln = LengthOfStrResource(hInst,
+                             uID);
+    if (ln++ > 0)
+    {
+        (*lpTarget) = (LPTSTR)LocalAlloc(LMEM_FIXED,
+                                         ln * sizeof(TCHAR));
+        if ((*lpTarget) != NULL)
+        {
+            INT Ret;
+            if (!(Ret = LoadString(hInst, uID, *lpTarget, ln)))
+            {
+                LocalFree((HLOCAL)(*lpTarget));
+            }
+            return Ret;
+        }
+    }
+    return 0;
+}

reactos/base/applications/logoff/precomp.h

@@ -0,0 +1,16 @@
+#ifndef __SHUTDOWN_PRECOMP_H
+#define __SHUTDOWN_PRECOMP_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <windows.h>
+#include <tchar.h>
+#include <reason.h> //shutdown codes
+#include "resource.h"
+
+// misc.c
+INT AllocAndLoadString(OUT LPTSTR *lpTarget,
+                       IN HINSTANCE hInst,
+                       IN UINT uID);
+
+#endif

reactos/base/applications/logoff/resource.h

@@ -0,0 +1,4 @@
+#define IDS_USAGE    1000
+#define IDS_LOGOFF_REMOTE	1001
+#define IDS_LOGOFF_LOCAL	1002
+#define IDS_ILLEGAL_PARAM   1003

reactos/base/applications/logoff/rsrc.rc

@@ -0,0 +1,5 @@
+#include <windows.h>
+#include "resource.h"
+
+#include "lang/en-US.rc"
+#include "lang/nb-NO.rc"

reactos/boot/bootdata/packages/reactos.dff

@@ -41,6 +41,7 @@ base\applications\games\solitaire\sol.exe             1
 base\applications\games\winemine\winemine.exe         1
 base\applications\hh\hh.exe                           1
 base\applications\hostname\hostname.exe               1
+base\applications\logoff\logoff.exe                   1
 base\applications\msconfig\msconfig.exe               1
 base\applications\network\arp\arp.exe                 1
 base\applications\network\route\route.exe             1