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wine/dlls/kernel/toolhelp.c

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/*
* Misc Toolhelp functions
*
* Copyright 1996 Marcus Meissner
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <ctype.h>
#include <assert.h>
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "tlhelp32.h"
#include "wine/server.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(toolhelp);
/***********************************************************************
* CreateToolhelp32Snapshot (KERNEL32.@)
*/
HANDLE WINAPI CreateToolhelp32Snapshot( DWORD flags, DWORD process )
{
HANDLE ret;
TRACE("%lx,%lx\n", flags, process );
if (!(flags & (TH32CS_SNAPPROCESS|TH32CS_SNAPTHREAD|TH32CS_SNAPMODULE)))
{
FIXME("flags %lx not implemented\n", flags );
SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
return INVALID_HANDLE_VALUE;
}
/* Now do the snapshot */
SERVER_START_REQ( create_snapshot )
{
req->flags = 0;
if (flags & TH32CS_SNAPMODULE) req->flags |= SNAP_MODULE;
if (flags & TH32CS_SNAPPROCESS) req->flags |= SNAP_PROCESS;
if (flags & TH32CS_SNAPTHREAD) req->flags |= SNAP_THREAD;
req->attributes = (flags & TH32CS_INHERIT) ? OBJ_INHERIT : 0;
req->pid = process;
wine_server_call_err( req );
ret = reply->handle;
}
SERVER_END_REQ;
if (!ret) ret = INVALID_HANDLE_VALUE;
return ret;
}
/***********************************************************************
* TOOLHELP_Thread32Next
*
* Implementation of Thread32First/Next
*/
static BOOL TOOLHELP_Thread32Next( HANDLE handle, LPTHREADENTRY32 lpte, BOOL first )
{
BOOL ret;
if (lpte->dwSize < sizeof(THREADENTRY32))
{
SetLastError( ERROR_INSUFFICIENT_BUFFER );
ERR("Result buffer too small (%ld)\n", lpte->dwSize);
return FALSE;
}
SERVER_START_REQ( next_thread )
{
req->handle = handle;
req->reset = first;
if ((ret = !wine_server_call_err( req )))
{
lpte->cntUsage = reply->count;
lpte->th32ThreadID = (DWORD)reply->tid;
lpte->th32OwnerProcessID = (DWORD)reply->pid;
lpte->tpBasePri = reply->base_pri;
lpte->tpDeltaPri = reply->delta_pri;
lpte->dwFlags = 0; /* SDK: "reserved; do not use" */
}
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* Thread32First (KERNEL32.@)
*
* Return info about the first thread in a toolhelp32 snapshot
*/
BOOL WINAPI Thread32First(HANDLE hSnapshot, LPTHREADENTRY32 lpte)
{
return TOOLHELP_Thread32Next(hSnapshot, lpte, TRUE);
}
/***********************************************************************
* Thread32Next (KERNEL32.@)
*
* Return info about the "next" thread in a toolhelp32 snapshot
*/
BOOL WINAPI Thread32Next(HANDLE hSnapshot, LPTHREADENTRY32 lpte)
{
return TOOLHELP_Thread32Next(hSnapshot, lpte, FALSE);
}
/***********************************************************************
* TOOLHELP_Process32Next
*
* Implementation of Process32First/Next. Note that the ANSI / Unicode
* version check is a bit of a hack as it relies on the fact that only
* the last field is actually different.
*/
static BOOL TOOLHELP_Process32Next( HANDLE handle, LPPROCESSENTRY32W lppe, BOOL first, BOOL unicode )
{
BOOL ret;
WCHAR exe[MAX_PATH-1];
DWORD len, sz;
sz = unicode ? sizeof(PROCESSENTRY32W) : sizeof(PROCESSENTRY32);
if (lppe->dwSize < sz)
{
SetLastError( ERROR_INSUFFICIENT_BUFFER );
ERR("Result buffer too small (req: %ld, was: %ld)\n", sz, lppe->dwSize);
return FALSE;
}
SERVER_START_REQ( next_process )
{
req->handle = handle;
req->reset = first;
wine_server_set_reply( req, exe, sizeof(exe) );
if ((ret = !wine_server_call_err( req )))
{
lppe->cntUsage = reply->count;
lppe->th32ProcessID = reply->pid;
lppe->th32DefaultHeapID = (DWORD)reply->heap;
lppe->th32ModuleID = (DWORD)reply->module;
lppe->cntThreads = reply->threads;
lppe->th32ParentProcessID = reply->ppid;
switch (reply->priority)
{
case PROCESS_PRIOCLASS_IDLE:
lppe->pcPriClassBase = IDLE_PRIORITY_CLASS; break;
case PROCESS_PRIOCLASS_BELOW_NORMAL:
lppe->pcPriClassBase = BELOW_NORMAL_PRIORITY_CLASS; break;
case PROCESS_PRIOCLASS_NORMAL:
lppe->pcPriClassBase = NORMAL_PRIORITY_CLASS; break;
case PROCESS_PRIOCLASS_ABOVE_NORMAL:
lppe->pcPriClassBase = ABOVE_NORMAL_PRIORITY_CLASS; break;
case PROCESS_PRIOCLASS_HIGH:
lppe->pcPriClassBase = HIGH_PRIORITY_CLASS; break;
case PROCESS_PRIOCLASS_REALTIME:
lppe->pcPriClassBase = REALTIME_PRIORITY_CLASS; break;
default:
FIXME("Unknown NT priority class %d, setting to normal\n", reply->priority);
lppe->pcPriClassBase = NORMAL_PRIORITY_CLASS;
break;
}
lppe->dwFlags = -1; /* FIXME */
if (unicode)
{
len = wine_server_reply_size(reply) / sizeof(WCHAR);
memcpy(lppe->szExeFile, reply, wine_server_reply_size(reply));
lppe->szExeFile[len] = 0;
}
else
{
LPPROCESSENTRY32 lppe_a = (LPPROCESSENTRY32) lppe;
len = WideCharToMultiByte( CP_ACP, 0, exe, wine_server_reply_size(reply) / sizeof(WCHAR),
lppe_a->szExeFile, sizeof(lppe_a->szExeFile)-1, NULL, NULL );
lppe_a->szExeFile[len] = 0;
}
}
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* Process32First (KERNEL32.@)
*
* Return info about the first process in a toolhelp32 snapshot
*/
BOOL WINAPI Process32First(HANDLE hSnapshot, LPPROCESSENTRY32 lppe)
{
return TOOLHELP_Process32Next( hSnapshot, (LPPROCESSENTRY32W) lppe, TRUE, FALSE /* ANSI */ );
}
/***********************************************************************
* Process32Next (KERNEL32.@)
*
* Return info about the "next" process in a toolhelp32 snapshot
*/
BOOL WINAPI Process32Next(HANDLE hSnapshot, LPPROCESSENTRY32 lppe)
{
return TOOLHELP_Process32Next( hSnapshot, (LPPROCESSENTRY32W) lppe, FALSE, FALSE /* ANSI */ );
}
/***********************************************************************
* Process32FirstW (KERNEL32.@)
*
* Return info about the first process in a toolhelp32 snapshot
*/
BOOL WINAPI Process32FirstW(HANDLE hSnapshot, LPPROCESSENTRY32W lppe)
{
return TOOLHELP_Process32Next( hSnapshot, lppe, TRUE, TRUE /* Unicode */ );
}
/***********************************************************************
* Process32NextW (KERNEL32.@)
*
* Return info about the "next" process in a toolhelp32 snapshot
*/
BOOL WINAPI Process32NextW(HANDLE hSnapshot, LPPROCESSENTRY32W lppe)
{
return TOOLHELP_Process32Next( hSnapshot, lppe, FALSE, TRUE /* Unicode */ );
}
/***********************************************************************
* TOOLHELP_Module32NextW
*
* Implementation of Module32First/Next
*/
static BOOL TOOLHELP_Module32NextW( HANDLE handle, LPMODULEENTRY32W lpme, BOOL first )
{
BOOL ret;
WCHAR exe[MAX_PATH];
DWORD len;
if (lpme->dwSize < sizeof (MODULEENTRY32W))
{
SetLastError( ERROR_INSUFFICIENT_BUFFER );
ERR("Result buffer too small (req: %d, was: %ld)\n", sizeof(MODULEENTRY32W), lpme->dwSize);
return FALSE;
}
SERVER_START_REQ( next_module )
{
req->handle = handle;
req->reset = first;
wine_server_set_reply( req, exe, sizeof(exe) );
if ((ret = !wine_server_call_err( req )))
{
const WCHAR* ptr;
lpme->th32ModuleID = 1; /* toolhelp internal id, never used */
lpme->th32ProcessID = reply->pid;
lpme->GlblcntUsage = 0xFFFF; /* FIXME */
lpme->ProccntUsage = 0xFFFF; /* FIXME */
lpme->modBaseAddr = reply->base;
lpme->modBaseSize = reply->size;
lpme->hModule = reply->base;
len = wine_server_reply_size(reply) / sizeof(WCHAR);
memcpy(lpme->szExePath, exe, wine_server_reply_size(reply));
lpme->szExePath[len] = 0;
if ((ptr = strrchrW(lpme->szExePath, '\\'))) ptr++;
else ptr = lpme->szExePath;
lstrcpynW( lpme->szModule, ptr, sizeof(lpme->szModule)/sizeof(lpme->szModule[0]));
}
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* TOOLHELP_Module32NextA
*
* Implementation of Module32First/Next
*/
static BOOL TOOLHELP_Module32NextA( HANDLE handle, LPMODULEENTRY32 lpme, BOOL first )
{
BOOL ret;
MODULEENTRY32W mew;
if (lpme->dwSize < sizeof (MODULEENTRY32))
{
SetLastError( ERROR_INSUFFICIENT_BUFFER );
ERR("Result buffer too small (req: %d, was: %ld)\n", sizeof(MODULEENTRY32), lpme->dwSize);
return FALSE;
}
mew.dwSize = sizeof(mew);
if ((ret = TOOLHELP_Module32NextW( handle, &mew, first )))
{
lpme->th32ModuleID = mew.th32ModuleID;
lpme->th32ProcessID = mew.th32ProcessID;
lpme->GlblcntUsage = mew.GlblcntUsage;
lpme->ProccntUsage = mew.ProccntUsage;
lpme->modBaseAddr = mew.modBaseAddr;
lpme->hModule = mew.hModule;
WideCharToMultiByte( CP_ACP, 0, mew.szModule, -1, lpme->szModule, sizeof(lpme->szModule), NULL, NULL );
WideCharToMultiByte( CP_ACP, 0, mew.szExePath, -1, lpme->szExePath, sizeof(lpme->szExePath), NULL, NULL );
}
return ret;
}
/***********************************************************************
* Module32FirstW (KERNEL32.@)
*
* Return info about the "first" module in a toolhelp32 snapshot
*/
BOOL WINAPI Module32FirstW(HANDLE hSnapshot, LPMODULEENTRY32W lpme)
{
return TOOLHELP_Module32NextW( hSnapshot, lpme, TRUE );
}
/***********************************************************************
* Module32First (KERNEL32.@)
*
* Return info about the "first" module in a toolhelp32 snapshot
*/
BOOL WINAPI Module32First(HANDLE hSnapshot, LPMODULEENTRY32 lpme)
{
return TOOLHELP_Module32NextA( hSnapshot, lpme, TRUE );
}
/***********************************************************************
* Module32NextW (KERNEL32.@)
*
* Return info about the "next" module in a toolhelp32 snapshot
*/
BOOL WINAPI Module32NextW(HANDLE hSnapshot, LPMODULEENTRY32W lpme)
{
return TOOLHELP_Module32NextW( hSnapshot, lpme, FALSE );
}
/***********************************************************************
* Module32Next (KERNEL32.@)
*
* Return info about the "next" module in a toolhelp32 snapshot
*/
BOOL WINAPI Module32Next(HANDLE hSnapshot, LPMODULEENTRY32 lpme)
{
return TOOLHELP_Module32NextA( hSnapshot, lpme, FALSE );
}
/************************************************************************
* Heap32ListFirst (KERNEL32.@)
*
*/
BOOL WINAPI Heap32ListFirst(HANDLE hSnapshot, LPHEAPLIST32 lphl)
{
FIXME(": stub\n");
return FALSE;
}
/******************************************************************
* Toolhelp32ReadProcessMemory (KERNEL32.@)
*
*
*/
BOOL WINAPI Toolhelp32ReadProcessMemory(DWORD pid, const void* base,
void* buf, SIZE_T len, SIZE_T* r)
{
HANDLE h;
BOOL ret = FALSE;
h = (pid) ? OpenProcess(PROCESS_VM_READ, FALSE, pid) : GetCurrentProcess();
if (h != NULL)
{
ret = ReadProcessMemory(h, base, buf, len, r);
if (pid) CloseHandle(h);
}
return ret;
}
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