Leaked source code of windows server 2003
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328 lines
8.6 KiB

// Copyright (c) 1998-1999 Microsoft Corporation
/*************************************************************************
*
* LOGOFF.C
*
* This module is the LOGOFF utility code.
*
*
*************************************************************************/
#include <stdio.h>
#include <windows.h>
//#include <ntddkbd.h>
//#include <ntddmou.h>
#include <winstaw.h>
#include <stdlib.h>
#include <utilsub.h>
#include <string.h>
#include <malloc.h>
#include <locale.h>
#include <winnlsp.h>
#include "logoff.h"
#include "printfoa.h"
// max length of the locale string
#define MAX_LOCALE_STRING 64
WINSTATIONNAME WSName;
USHORT help_flag = FALSE;
USHORT v_flag = FALSE;
HANDLE hServerName = SERVERNAME_CURRENT;
WCHAR ServerName[MAX_IDS_LEN+1];
TOKMAP ptm[] =
{
#define TERM_PARM 0
{TOKEN_WS, TMFLAG_OPTIONAL, TMFORM_STRING,
WINSTATIONNAME_LENGTH, WSName},
{TOKEN_SERVER, TMFLAG_OPTIONAL, TMFORM_STRING,
MAX_IDS_LEN, ServerName},
{TOKEN_HELP, TMFLAG_OPTIONAL, TMFORM_BOOLEAN,
sizeof(USHORT), &help_flag},
{TOKEN_VERBOSE, TMFLAG_OPTIONAL, TMFORM_BOOLEAN,
sizeof(USHORT), &v_flag},
{0, 0, 0, 0, 0}
};
/*
* Local function prototypes.
*/
void Usage( BOOLEAN bError );
BOOL ProceedWithLogoff(HANDLE hServerName,ULONG LogonId,PWINSTATIONNAME pWSName);
/*************************************************************************
*
* main
* Main function and entry point of the LOGOFF
* utility.
*
* ENTRY:
* argc - count of the command line arguments.
* argv - vector of strings containing the command line arguments.
*
* EXIT
* Nothing.
*
*************************************************************************/
int __cdecl
main(INT argc, CHAR **argv)
{
BOOLEAN bCurrent = FALSE;
int rc, i;
WCHAR *CmdLine;
WCHAR **argvW, *endptr;
ULONG LogonId;
WCHAR wszString[MAX_LOCALE_STRING + 1];
setlocale(LC_ALL, ".OCP");
// We don't want LC_CTYPE set the same as the others or else we will see
// garbage output in the localized version, so we need to explicitly
// set it to correct console output code page
_snwprintf(wszString, sizeof(wszString)/sizeof(WCHAR), L".%d", GetConsoleOutputCP());
wszString[sizeof(wszString)/sizeof(WCHAR) - 1] = L'\0';
_wsetlocale(LC_CTYPE, wszString);
SetThreadUILanguage(0);
/*
* Massage the command line.
*/
argvW = MassageCommandLine((DWORD)argc);
if (argvW == NULL) {
ErrorPrintf(IDS_ERROR_MALLOC);
return(FAILURE);
}
/*
* parse the cmd line without parsing the program name (argc-1, argv+1)
*/
rc = ParseCommandLine(argc-1, argvW+1, ptm, 0);
/*
* Check for error from ParseCommandLine
*/
if ( help_flag || (rc && !(rc & PARSE_FLAG_NO_PARMS)) ) {
if ( !help_flag ) {
Usage(TRUE);
return(FAILURE);
} else {
Usage(FALSE);
return(SUCCESS);
}
}
// If no remote server was specified, then check if we are running under Terminal Server
if ((!IsTokenPresent(ptm, TOKEN_SERVER) ) && (!AreWeRunningTerminalServices()))
{
ErrorPrintf(IDS_ERROR_NOT_TS);
return(FAILURE);
}
/*
* Open the specified server
*/
if( ServerName[0] ) {
hServerName = WinStationOpenServer( ServerName );
if( hServerName == NULL ) {
StringErrorPrintf(IDS_ERROR_SERVER,ServerName);
PutStdErr( GetLastError(), 0 );
return(FAILURE);
}
}
/*
* Validate input string for WinStation or LogonId.
*/
if ( !IsTokenPresent(ptm, TOKEN_WS) ) {
/*
* No string specified; use current WinStation / LogonId.
*/
bCurrent = TRUE;
LogonId = GetCurrentLogonId();
if( ServerName[0] ) {
ErrorPrintf(IDS_ERROR_NEED_A_SESSIONID);
return(FAILURE);
}
} else if ( !iswdigit(*WSName) ) {
/*
* Treat the string as a WinStation name.
*/
if ( !LogonIdFromWinStationName(hServerName, WSName, &LogonId) ) {
StringErrorPrintf(IDS_ERROR_WINSTATION_NOT_FOUND, WSName);
return(FAILURE);
}
} else {
/*
* Treat the string as a LogonId.
*/
LogonId = wcstoul(WSName, &endptr, 10);
if ( *endptr || LogonId == ( ULONG )-1 )
{
StringErrorPrintf(IDS_ERROR_INVALID_LOGONID, WSName);
return(FAILURE);
}
if ( !WinStationNameFromLogonId(hServerName, LogonId, WSName) ) {
ErrorPrintf(IDS_ERROR_LOGONID_NOT_FOUND, LogonId);
return(FAILURE);
}
}
/*
* Perform the logoff.
*/
if ( bCurrent ) {
if ( !ExitWindowsEx(EWX_LOGOFF, (DWORD)-1) ) {
ErrorPrintf(IDS_ERROR_LOGOFF_CURRENT,
GetLastError());
PutStdErr( GetLastError(), 0 );
return(FAILURE);
}
} else{
if (!ProceedWithLogoff(hServerName,LogonId,WSName))
return (SUCCESS);
if ( v_flag )
Message(IDS_WINSTATION_LOGOFF, LogonId);
/*
* RESOLVED: we need to expose the session manager's "logoff winstation"
* API and call it here for the specified LogonId. Till then, we'll
* do a WinStationReset (nasty, but does the job).
*
* - Reset and logoff are synonymous
*/
if ( !WinStationReset(hServerName, LogonId, TRUE) ) {
ErrorPrintf(IDS_ERROR_LOGOFF, LogonId, GetLastError());
PutStdErr( GetLastError(), 0 );
return(FAILURE);
}
}
return(SUCCESS);
} /* main() */
/*******************************************************************************
*
* Usage
*
* If LogonId does not have a corresponding UserName then a warning
* message is displayed.
*
* ENTRY:
* hServerName : Handle to server
* LogonId : ID as shown in qwinsta
* pWSName : Session Name
*
* EXIT:
* TRUE : User wants to logoff
* FALSE: User does not want to proceed with logoff
*
*
******************************************************************************/
BOOL ProceedWithLogoff(HANDLE hServerName,ULONG LogonId,PWINSTATIONNAME pWSName)
{
#ifdef UNICODE
#define GetStdInChar getwchar
wint_t ch;
#else
#define GetStdInChar getchar
int ch;
#endif
WINSTATIONINFORMATION WinInfo;
ULONG ReturnLength;
int rc;
// No-session Name, No-Problem
if(lstrlen(pWSName) == 0) return (TRUE);
memset(&WinInfo,0,sizeof(WINSTATIONINFORMATION));
rc = WinStationQueryInformation( hServerName,
LogonId,
WinStationInformation,
(PVOID)&WinInfo,
sizeof(WINSTATIONINFORMATION),
&ReturnLength);
// Try to show message only if necessary
if( rc && (sizeof(WINSTATIONINFORMATION) == ReturnLength) ) {
if(lstrlen(WinInfo.UserName) == 0) {
ErrorPrintf(IDS_WARNING_LOGOFF);
rc = GetStdInChar();
if(rc == L'n') return(FALSE);
}
}
// Failed on call - assume nothing and prompt with message
else{
ErrorPrintf(IDS_WARNING_LOGOFF_QUESTIONABLE);
rc = GetStdInChar();
if(rc == L'n') return(FALSE);
}
return (TRUE);
}
/*******************************************************************************
*
* Usage
*
* Output the usage message for this utility.
*
* ENTRY:
* bError (input)
* TRUE if the 'invalid parameter(s)' message should preceed the usage
* message and the output go to stderr; FALSE for no such error
* string and output goes to stdout.
*
* EXIT:
*
*
******************************************************************************/
void
Usage( BOOLEAN bError )
{
if ( bError ) {
ErrorPrintf(IDS_ERROR_INVALID_PARAMETERS);
}
ErrorPrintf(IDS_USAGE1);
ErrorPrintf(IDS_USAGE2);
ErrorPrintf(IDS_USAGE3);
ErrorPrintf(IDS_USAGE4);
ErrorPrintf(IDS_USAGE5);
ErrorPrintf(IDS_USAGE6);
ErrorPrintf(IDS_USAGE7);
} /* Usage() */