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* Create a branch for USB experiments.

Browse source 
svn path=/branches/usb-experiments/; revision=72629
This commit is contained in:
Amine Khaldi 2016-09-09 15:11:19 +00:00
parent 28d8ba0d3e
commit 0ee830d7a4
23049 changed files with 0 additions and 1313991 deletions
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158
base/applications/taskmgr/endproc.c Normal file
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/*
* ReactOS Task Manager
*
* endproc.c
*
* Copyright (C) 1999 - 2001 Brian Palmer <brianp@reactos.org>
* 2005 Klemens Friedl <frik85@reactos.at>
* 2014 Ismael Ferreras Morezuelas <swyterzone+ros@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "precomp.h"
#define NTOS_MODE_USER
#include <ndk/psfuncs.h>
void ProcessPage_OnEndProcess(void)
{
DWORD dwProcessId;
HANDLE hProcess;
WCHAR szTitle[256];
WCHAR strErrorText[260];
dwProcessId = GetSelectedProcessId();
if (dwProcessId == 0)
return;
hProcess = OpenProcess(PROCESS_TERMINATE | PROCESS_QUERY_INFORMATION, FALSE, dwProcessId);
/* forbid killing system processes even if we have privileges -- sigh, windows kludge! */
if (hProcess && IsCriticalProcess(hProcess))
{
LoadStringW(hInst, IDS_MSG_UNABLETERMINATEPRO, szTitle, 256);
LoadStringW(hInst, IDS_MSG_CLOSESYSTEMPROCESS, strErrorText, 256);
MessageBoxW(hMainWnd, strErrorText, szTitle, MB_OK|MB_ICONWARNING|MB_TOPMOST);
CloseHandle(hProcess);
return;
}
/* if this is a standard process just ask for confirmation before doing it */
LoadStringW(hInst, IDS_MSG_WARNINGTERMINATING, strErrorText, 256);
LoadStringW(hInst, IDS_MSG_TASKMGRWARNING, szTitle, 256);
if (MessageBoxW(hMainWnd, strErrorText, szTitle, MB_YESNO|MB_ICONWARNING|MB_TOPMOST) != IDYES)
{
if (hProcess) CloseHandle(hProcess);
return;
}
/* no such process or not enough privileges to open its token */
if (!hProcess)
{
GetLastErrorText(strErrorText, 260);
LoadStringW(hInst, IDS_MSG_UNABLETERMINATEPRO, szTitle, 256);
MessageBoxW(hMainWnd, strErrorText, szTitle, MB_OK|MB_ICONSTOP|MB_TOPMOST);
return;
}
/* try to kill it, and notify the user if didn't work */
if (!TerminateProcess(hProcess, 1))
{
GetLastErrorText(strErrorText, 260);
LoadStringW(hInst, IDS_MSG_UNABLETERMINATEPRO, szTitle, 256);
MessageBoxW(hMainWnd, strErrorText, szTitle, MB_OK|MB_ICONSTOP|MB_TOPMOST);
}
CloseHandle(hProcess);
}
BOOL IsCriticalProcess(HANDLE hProcess)
{
NTSTATUS status;
ULONG BreakOnTermination;
/* return early if the process handle does not exist */
if (!hProcess)
return FALSE;
/* the important system processes that we don't want to let the user
kill come marked as critical, this simplifies the check greatly.
a critical process brings the system down when is terminated:
<http://www.geoffchappell.com/studies/windows/win32/ntdll/api/rtl/peb/setprocessiscritical.htm> */
status = NtQueryInformationProcess(hProcess,
ProcessBreakOnTermination,
&BreakOnTermination,
sizeof(ULONG),
NULL);
if (NT_SUCCESS(status) && BreakOnTermination)
return TRUE;
return FALSE;
}
void ProcessPage_OnEndProcessTree(void)
{
DWORD dwProcessId;
HANDLE hProcess;
WCHAR szTitle[256];
WCHAR strErrorText[260];
dwProcessId = GetSelectedProcessId();
if (dwProcessId == 0)
return;
hProcess = OpenProcess(PROCESS_TERMINATE | PROCESS_QUERY_INFORMATION, FALSE, dwProcessId);
/* forbid killing system processes even if we have privileges -- sigh, windows kludge! */
if (hProcess && IsCriticalProcess(hProcess))
{
LoadStringW(hInst, IDS_MSG_UNABLETERMINATEPRO, szTitle, 256);
LoadStringW(hInst, IDS_MSG_CLOSESYSTEMPROCESS, strErrorText, 256);
MessageBoxW(hMainWnd, strErrorText, szTitle, MB_OK|MB_ICONWARNING|MB_TOPMOST);
CloseHandle(hProcess);
return;
}
LoadStringW(hInst, IDS_MSG_WARNINGTERMINATING, strErrorText, 256);
LoadStringW(hInst, IDS_MSG_TASKMGRWARNING, szTitle, 256);
if (MessageBoxW(hMainWnd, strErrorText, szTitle, MB_YESNO|MB_ICONWARNING) != IDYES)
{
if (hProcess) CloseHandle(hProcess);
return;
}
if (!hProcess)
{
GetLastErrorText(strErrorText, 260);
LoadStringW(hInst, IDS_MSG_UNABLETERMINATEPRO, szTitle, 256);
MessageBoxW(hMainWnd, strErrorText, szTitle, MB_OK|MB_ICONSTOP);
return;
}
if (!TerminateProcess(hProcess, 0))
{
GetLastErrorText(strErrorText, 260);
LoadStringW(hInst, IDS_MSG_UNABLETERMINATEPRO, szTitle, 256);
MessageBoxW(hMainWnd, strErrorText, szTitle, MB_OK|MB_ICONSTOP);
}
CloseHandle(hProcess);
}