Source code of Windows XP (NT5)
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//Copyright (c) 1998 - 1999 Microsoft Corporation
/******************************************************************************
*
* QPROCESS.C
*
* query process information
*
*
*******************************************************************************/
#include <nt.h>
#include <ntrtl.h>
#include <nturtl.h>
#include <windows.h>
// #include <ntddkbd.h>
// #include <ntddmou.h>
#include <winstaw.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <locale.h>
#include <utilsub.h>
#include <process.h>
#include <string.h>
#include <malloc.h>
#include <printfoa.h>
#include <allproc.h>
#include "qprocess.h"
HANDLE hServerName = SERVERNAME_CURRENT;
WCHAR ServerName[MAX_IDS_LEN+1];
WCHAR match_string[MAX_IDS_LEN+2];
USHORT help_flag = FALSE;
USHORT system_flag = FALSE;
ULONG ArgLogonId = (ULONG)(-1);
BOOLEAN MatchedOne = FALSE;
TOKMAP ptm[] = {
{L" ", TMFLAG_OPTIONAL, TMFORM_STRING, MAX_IDS_LEN,
match_string},
{L"/server", TMFLAG_OPTIONAL, TMFORM_STRING, MAX_IDS_LEN,
ServerName},
{L"/system", TMFLAG_OPTIONAL, TMFORM_BOOLEAN, sizeof(USHORT),
&system_flag},
{L"/?", TMFLAG_OPTIONAL, TMFORM_BOOLEAN, sizeof(USHORT),
&help_flag},
{L"/ID", TMFLAG_OPTIONAL, TMFORM_ULONG, sizeof(ULONG),
&ArgLogonId },
{0, 0, 0, 0, 0}
};
// From pstat.c
#define BUFFER_SIZE 32*1024
//
// This table contains common NT system programs that we do not want to display
// unless the user specifies /SYSTEM.
//
WCHAR *SysProcTable[] = {
L"csrss.exe",
L"smss.exe",
L"screg.exe",
L"lsass.exe",
L"spoolss.exe",
L"EventLog.exe",
L"netdde.exe",
L"clipsrv.exe",
L"lmsvcs.exe",
L"MsgSvc.exe",
L"winlogon.exe",
L"NETSTRS.EXE",
L"nddeagnt.exe",
L"wfshell.exe",
L"chgcdm.exe",
L"userinit.exe",
NULL
};
WCHAR *Empty = L" ";
/*
* Local function prototypes
*/
VOID FormatAndDisplayProcessInfo( HANDLE hServer,
PTS_SYS_PROCESS_INFORMATION ProcessInfo,
PSID pUserSid,
ULONG LogonId,
ULONG CurrentLogonId);
BOOLEAN IsSystemProcess( PTS_SYS_PROCESS_INFORMATION,
PWCHAR );
BOOLEAN SystemProcess( INT,
PTS_SYS_PROCESS_INFORMATION,
PWCHAR );
void Usage( BOOLEAN bError );
/*******************************************************************************
*
* main
*
******************************************************************************/
int __cdecl
main(INT argc, CHAR **argv)
{
int rc;
// WCHAR CurrWinStationName[WINSTATIONNAME_LENGTH]; -- not used.
WCHAR CurrUserName[USERNAME_LENGTH];
WCHAR **argvW;
DWORD CurrentPid;
ULONG LogonId, CurrentLogonId;
PSID pUserSid;
PTS_SYS_PROCESS_INFORMATION ProcessInfo;
PCITRIX_PROCESS_INFORMATION CitrixInfo;
PBYTE pBuffer;
ULONG ByteCount;
NTSTATUS status;
ULONG NumberOfProcesses,j;
PTS_ALL_PROCESSES_INFO ProcessArray = NULL;
int i;
ULONG TotalOffset;
DWORD dwError;
setlocale(LC_ALL, ".OCP");
/*
* 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)
*/
match_string[0] = L'\0';
rc = ParseCommandLine(argc-1, argvW+1, ptm, PCL_FLAG_NO_CLEAR_MEMORY);
/*
* 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, L"/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);
}
}
/*
* Get the current users name
*/
GetCurrentUserName( CurrUserName, USERNAME_LENGTH );
_wcslwr( CurrUserName );
OEM2ANSIW(CurrUserName, (USHORT)wcslen(CurrUserName));
/*
* Get current processes pid
*/
CurrentPid = GetCurrentProcessId();
/*
* Get current WinStation name.
GetCurrentWinStationName( CurrWinStationName, WINSTATIONNAME_LENGTH );
_wcslwr( CurrWinStationName );
OEM2ANSIW(CurrWinStationName, (USHORT)wcslen(CurrWinStationName));
*/
/*
* Get current LogonId.
*/
CurrentLogonId = GetCurrentLogonId();
/*
* If no "match_string" input, then default to all processes for LoginId
* (if /ID: switch specified) or user logged into current WinStation.
*/
if ( !(*match_string) ) {
if( ArgLogonId != (-1) ) {
wsprintf( match_string, L"%d", ArgLogonId );
}
else
wcscpy( match_string, CurrUserName );
}
/*
* Make match name lower case
*/
_wcslwr( match_string );
SetFileApisToOEM();
/*
* Enumerate all processes on the server.
*/
//
// Try the new interface first (NT5 server ?)
//
if (WinStationGetAllProcesses( hServerName,
GAP_LEVEL_BASIC,
&NumberOfProcesses,
&ProcessArray) )
{
for (j=0; j<NumberOfProcesses; j++)
{
ProcessInfo = (PTS_SYS_PROCESS_INFORMATION )(ProcessArray[j].pTsProcessInfo);
pUserSid = ProcessArray[j].pSid;
LogonId = ProcessInfo->SessionId;
FormatAndDisplayProcessInfo(hServerName,
ProcessInfo,
pUserSid,
LogonId,
CurrentLogonId);
}
//
// Free ppProcessArray and all child pointers allocated by the client stub.
//
WinStationFreeGAPMemory(GAP_LEVEL_BASIC, ProcessArray, NumberOfProcesses);
}
else // Maybe a Hydra 4 server ?
{
//
// Check the return code indicating that the interface is not available.
//
dwError = GetLastError();
if (dwError != RPC_S_PROCNUM_OUT_OF_RANGE)
{
ErrorPrintf(IDS_ERROR_ENUMERATE_PROCESSES);
return(FAILURE);
}
else
{
//
// The new interface is not known
// It must be a Hydra 4 server
// Let's try the old interface
//
if ( !WinStationEnumerateProcesses( hServerName, &pBuffer) ) {
ErrorPrintf(IDS_ERROR_ENUMERATE_PROCESSES);
return(FAILURE);
}
/*
* Loop through all processes. Output those that match desired
* criteria.
*/
ProcessInfo = (PTS_SYS_PROCESS_INFORMATION)pBuffer;
TotalOffset = 0;
rc = 0;
for(;;)
{
/*
* Get the CITRIX_INFORMATION which follows the Threads
*/
CitrixInfo = (PCITRIX_PROCESS_INFORMATION)
(((PUCHAR)ProcessInfo) +
SIZEOF_TS4_SYSTEM_PROCESS_INFORMATION +
(SIZEOF_TS4_SYSTEM_THREAD_INFORMATION * (int)ProcessInfo->NumberOfThreads));
if( CitrixInfo->MagicNumber == CITRIX_PROCESS_INFO_MAGIC ) {
LogonId = CitrixInfo->LogonId;
pUserSid = CitrixInfo->ProcessSid;
}
else
{
LogonId = (ULONG)(-1);
pUserSid = NULL;
}
FormatAndDisplayProcessInfo( hServerName,
ProcessInfo,
pUserSid,
LogonId,
CurrentLogonId);
if( ProcessInfo->NextEntryOffset == 0 ) {
break;
}
TotalOffset += ProcessInfo->NextEntryOffset;
ProcessInfo = (PTS_SYS_PROCESS_INFORMATION)&pBuffer[TotalOffset];
}
/*
* free buffer
*/
WinStationFreeMemory( pBuffer );
}
}
/*
* Check for at least one match
*/
if ( !MatchedOne ) {
StringErrorPrintf(IDS_ERROR_PROCESS_NOT_FOUND, match_string);
return(FAILURE);
}
return(SUCCESS);
} /* main() */
/******************************************************************************
*
* FormatAndDisplayProcessInfo
*
*
*****************************************************************************/
VOID
FormatAndDisplayProcessInfo(
HANDLE hServer,
PTS_SYS_PROCESS_INFORMATION ProcessInfo,
PSID pUserSid,
ULONG LogonId,
ULONG CurrentLogonId)
{
WCHAR WinStationName[WINSTATIONNAME_LENGTH];
WCHAR UserName[USERNAME_LENGTH];
WCHAR ImageName[ MAXNAME + 2 ];
ULONG MaxLen;
ImageName[MAXNAME+1] = 0; // Force NULL termination
/*
* Convert the counted string into a buffer
*/
if( ProcessInfo->ImageName.Length > MAXNAME * 2)
{
wcsncpy(ImageName, ProcessInfo->ImageName.Buffer, MAXNAME);
}
else if( ProcessInfo->ImageName.Length == 0 )
{
ImageName[0] = 0;
}
else
{
wcsncpy(ImageName, ProcessInfo->ImageName.Buffer, ProcessInfo->ImageName.Length/2);
ImageName[ProcessInfo->ImageName.Length/2] = 0;
}
// get remote winstation name
if ( (LogonId == (ULONG)(-1)) ||
!xxxGetWinStationNameFromId( hServer,
LogonId,
WinStationName,
WINSTATIONNAME_LENGTH ) ) {
if (GetUnknownString())
{
wsprintf( WinStationName, L"(%s)", GetUnknownString() );
}
else
{
wcscpy( WinStationName, L"(Unknown)" );
}
}
OEM2ANSIW(WinStationName, (USHORT)wcslen(WinStationName));
/*
* Get the User name for the SID of the process.
*/
MaxLen = USERNAME_LENGTH;
GetUserNameFromSid( pUserSid, UserName, &MaxLen);
OEM2ANSIW(UserName, (USHORT)wcslen(UserName));
/*
* Call the general process object match function
*/
if ( SystemProcess( system_flag, ProcessInfo, UserName ) &&
ProcessObjectMatch(
UlongToPtr(ProcessInfo->UniqueProcessId),
LogonId,
((ArgLogonId == (-1)) ? FALSE : TRUE),
match_string,
WinStationName,
UserName,
ImageName ) ) {
/*
* Match: truncate and lower case the names in preparation for
* output.
*/
TruncateString( _wcslwr(WinStationName), 12 );
TruncateString( _wcslwr(UserName), 18 );
TruncateString( _wcslwr(ImageName), 15);
/*
* If first time - output header
*/
if ( !MatchedOne ) {
Message(IDS_HEADER);
MatchedOne = TRUE;
}
/*
* identify all processes belonging to current user.
*/
if ( (hServerName == SERVERNAME_CURRENT) && (LogonId == CurrentLogonId ) )
wprintf( L">" );
else
wprintf( L" " );
{
#define MAX_PRINTFOA_BUFFER_SIZE 1024
char pUserName[MAX_PRINTFOA_BUFFER_SIZE];
char pWinStationName[MAX_PRINTFOA_BUFFER_SIZE];
char pImageName[MAX_PRINTFOA_BUFFER_SIZE];
WideCharToMultiByte(CP_OEMCP, 0,
UserName, -1,
pUserName, sizeof(pUserName),
NULL, NULL);
WideCharToMultiByte(CP_OEMCP, 0,
WinStationName, -1,
pWinStationName, sizeof(pWinStationName),
NULL, NULL);
WideCharToMultiByte(CP_OEMCP, 0,
ImageName, -1,
pImageName, sizeof(pImageName),
NULL, NULL);
fprintf( stdout,
FORMAT,
pUserName,
pWinStationName,
LogonId,
// ProgramState,
ProcessInfo->UniqueProcessId,
pImageName );
}
}
}
/******************************************************************************
*
* SystemProcess
*
* Returns TRUE if the process should be displayed depending on the
* supplied flag and the result from IsSystemProcess().
*
* ENTRY:
* SystemFlag
* TRUE if caller wants 'system' processes displayed.
* FALSE to display only normal 'user' processes.
* pProcessInfo (input)
* Pointer to an NT SYSTEM_PROCESS_INFORMATION structure for a single
* process.
* pUserName (input)
* Pointer to the user name associated with the process for checking
* against the 'system' user name.
*
* EXIT:
* TRUE if this process should be displayed; FALSE if not.
*
*****************************************************************************/
BOOLEAN
SystemProcess( int SystemFlag,
PTS_SYS_PROCESS_INFORMATION pSys,
PWCHAR pUserName )
{
if( SystemFlag )
return( TRUE );
return( !IsSystemProcess( pSys, pUserName ) );
} /* SystemProcess() */
/******************************************************************************
*
* IsSystemProcess
*
* Return whether the given process described by SYSTEM_PROCESS_INFORMATION
* is an NT "system" process, and not a user program.
*
* ENTRY:
* pProcessInfo (input)
* Pointer to an NT SYSTEM_PROCESS_INFORMATION structure for a single
* process.
* pUserName (input)
* Pointer to the user name associated with the process for checking
* against the 'system' user name.
*
* EXIT:
* TRUE if this is an NT system process; FALSE if a general user process.
*
*****************************************************************************/
BOOLEAN
IsSystemProcess( PTS_SYS_PROCESS_INFORMATION pSysProcessInfo,
PWCHAR pUserName )
{
int i;
/*
* If the processes' UserName is 'system', treat this as a system process.
*/
if ( !_wcsicmp( pUserName, L"system" ) )
return(TRUE);
/*
* Compare its image name against some well known system image names.
*/
for( i=0; SysProcTable[i]; i++) {
if ( !_wcsnicmp( pSysProcessInfo->ImageName.Buffer,
SysProcTable[i],
pSysProcessInfo->ImageName.Length) ) {
return(TRUE);
}
}
return(FALSE);
} /* IsSystemProcess() */
/*******************************************************************************
*
* 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_HELP_USAGE1);
ErrorPrintf(IDS_HELP_USAGE2);
ErrorPrintf(IDS_HELP_USAGE3);
ErrorPrintf(IDS_HELP_USAGE40);
ErrorPrintf(IDS_HELP_USAGE4);
ErrorPrintf(IDS_HELP_USAGE5);
ErrorPrintf(IDS_HELP_USAGE6);
ErrorPrintf(IDS_HELP_USAGE7);
ErrorPrintf(IDS_HELP_USAGE8);
ErrorPrintf(IDS_HELP_USAGE9);
ErrorPrintf(IDS_HELP_USAGE10);
} else {
Message(IDS_HELP_USAGE1);
Message(IDS_HELP_USAGE2);
Message(IDS_HELP_USAGE3);
Message(IDS_HELP_USAGE40);
Message(IDS_HELP_USAGE4);
Message(IDS_HELP_USAGE5);
Message(IDS_HELP_USAGE6);
Message(IDS_HELP_USAGE7);
Message(IDS_HELP_USAGE8);
Message(IDS_HELP_USAGE9);
Message(IDS_HELP_USAGE10);
}
} /* Usage() */