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01f8426f4a
wine/windows/driver.c
Eric Pouech 3fb2f4289f Better 16/32 bit driver messages mapping and handling. 
Better protection against bad handles.
1999-03-15 15:14:06 +00:00

998 lines
30 KiB
C
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/* -*- tab-width: 8; c-basic-offset: 4 -*- */
/*
* WINE Drivers functions
*
* Copyright 1994 Martin Ayotte
* Copyright 1998 Marcus Meissner
* Copyright 1999 Eric Pouech
*/
#include <string.h>
#include "wine/winuser16.h"
#include "heap.h"
#include "callback.h"
#include "driver.h"
#include "ldt.h"
#include "module.h"
#include "debug.h"
#include "mmsystem.h"
static LPWINE_DRIVER lpDrvItemList = NULL;
/* TODO list :
* - LoadModule count and clean up is not handled correctly (it's not a problem as
* long as FreeLibrary is not working correctly)
* - msacm has some FIXME related to new code here...
*/
/**************************************************************************
* LoadStartupDrivers [internal]
*/
static void WINE_UNUSED DRIVER_LoadStartupDrivers(void)
{
HDRVR16 hDrv;
char str[256];
LPSTR ptr;
if (GetPrivateProfileStringA("drivers", NULL, "", str, sizeof(str), "SYSTEM.INI") < 2) {
ERR(driver,"Can't find drivers section in system.ini\n");
return;
}
for (ptr = str; lstrlenA(ptr) != 0; ptr += lstrlenA(ptr) + 1) {
TRACE(driver, "str='%s'\n", ptr);
hDrv = OpenDriver16(ptr, "drivers", 0L);
TRACE(driver, "hDrv=%04x\n", hDrv);
}
TRACE(driver, "end of list !\n");
return;
}
/**************************************************************************
* DRIVER_GetNumberOfModuleRefs [internal]
*
* Returns the number of open drivers which share the same module.
*/
static WORD DRIVER_GetNumberOfModuleRefs(LPWINE_DRIVER lpNewDrv)
{
LPWINE_DRIVER lpDrv;
DWORD type = lpNewDrv->dwFlags & WINE_DI_TYPE_MASK;
WORD count = 0;
for (lpDrv = lpDrvItemList; lpDrv; lpDrv = lpDrv->lpNextItem) {
if ((lpDrv->dwFlags & WINE_DI_TYPE_MASK) == type) {
switch (type) {
case WINE_DI_TYPE_16:
if (lpDrv->d.d16.hModule == lpNewDrv->d.d16.hModule)
count++;
break;
case WINE_DI_TYPE_32:
if (lpDrv->d.d32.hModule == lpNewDrv->d.d32.hModule)
count++;
break;
default:
FIXME(driver, "Unsupported driver type: %ld\n", type);
break;
}
}
}
return count;
}
/**************************************************************************
* DRIVER_FindFromHDrvr16 [internal]
*
* From a hDrvr being 16 bits, returns the WINE internal structure.
*/
static LPWINE_DRIVER DRIVER_FindFromHDrvr16(HDRVR16 hDrvr)
{
LPWINE_DRIVER lpDrv;
for (lpDrv = lpDrvItemList; lpDrv; lpDrv = lpDrv->lpNextItem) {
if (lpDrv->hDriver16 == hDrvr) {
return lpDrv;
}
}
return NULL;
}
/**************************************************************************
* DRIVER_FindFromHDrvr [internal]
*
* From a hDrvr (being 16 or 32 bits), returns the WINE internal structure.
*/
static LPWINE_DRIVER DRIVER_FindFromHDrvr(HDRVR hDrvr)
{
if (!IsBadWritePtr((void*)hDrvr, sizeof(DWORD)) &&
((LPWINE_DRIVER)hDrvr)->dwMagic == WINE_DI_MAGIC) {
return (LPWINE_DRIVER)hDrvr;
}
return DRIVER_FindFromHDrvr16(hDrvr);
}
int DRIVER_GetType(HDRVR hDrvr)
{
LPWINE_DRIVER lpDrv = DRIVER_FindFromHDrvr(hDrvr);
return (lpDrv) ? (lpDrv->dwFlags & WINE_DI_TYPE_MASK) : 0;
}
/**************************************************************************
* DRIVER_MapMsg16To32 [internal]
*
* Map a 16 bit driver message to a 32 bit driver message.
* 1 : ok, some memory allocated, need to call DRIVER_UnMapMsg16To32
* 0 : ok, no memory allocated
* -1 : ko, unknown message
* -2 : ko, memory problem
*/
int DRIVER_MapMsg16To32(WORD wMsg, DWORD* lParam1, DWORD* lParam2)
{
int ret = -1;
switch (wMsg) {
case DRV_LOAD:
case DRV_ENABLE:
case DRV_DISABLE:
case DRV_FREE:
case DRV_QUERYCONFIGURE:
case DRV_REMOVE:
case DRV_EXITSESSION:
case DRV_EXITAPPLICATION:
case DRV_POWER:
/* lParam1 and lParam2 are not used */
ret = 0;
break;
case DRV_OPEN:
case DRV_CLOSE:
/* lParam1 is a NULL terminated string */
/* lParam2 is a pointer to an MCI_OPEN_DRIVER_PARMS for an MCI device */
if (*lParam1)
*lParam1 = (DWORD)PTR_SEG_TO_LIN(*lParam1);
if (*lParam2 && wMsg == DRV_OPEN) {
LPMCI_OPEN_DRIVER_PARMS16 modp16 = PTR_SEG_TO_LIN(*lParam2);
char* ptr = HeapAlloc(SystemHeap, 0, sizeof(LPMCI_OPEN_DRIVER_PARMS16) + sizeof(MCI_OPEN_DRIVER_PARMSA));
LPMCI_OPEN_DRIVER_PARMSA modp32;
if (ptr) {
*(LPMCI_OPEN_DRIVER_PARMS16*)ptr = modp16;
modp32 = (LPMCI_OPEN_DRIVER_PARMSA)(ptr + sizeof(LPMCI_OPEN_DRIVER_PARMSA));
modp32->wDeviceID = modp16->wDeviceID;
modp32->lpstrParams = PTR_SEG_TO_LIN(modp16->lpstrParams);
} else {
return -2;
}
*lParam2 = (DWORD)modp32;
}
ret = 1;
break;
case DRV_CONFIGURE:
case DRV_INSTALL:
/* lParam1 is a handle to a window (or not used), lParam2 is a pointer to DRVCONFIGINFO */
if (*lParam2) {
LPDRVCONFIGINFO dci32 = HeapAlloc(SystemHeap, 0, sizeof(DRVCONFIGINFO));
LPDRVCONFIGINFO16 dci16 = PTR_SEG_TO_LIN(*lParam2);
if (dci32) {
dci32->dwDCISize = sizeof(DRVCONFIGINFO);
dci32->lpszDCISectionName = HEAP_strdupAtoW(SystemHeap, 0, PTR_SEG_TO_LIN(dci16->lpszDCISectionName));
dci32->lpszDCIAliasName = HEAP_strdupAtoW(SystemHeap, 0, PTR_SEG_TO_LIN(dci16->lpszDCIAliasName));
if (dci32->lpszDCISectionName == NULL || dci32->lpszDCIAliasName == NULL)
return -2;
} else {
return -2;
}
*lParam2 = (DWORD)dci32;
ret = 1;
} else {
ret = 0;
}
break;
default:
if (wMsg >= 0x800 && wMsg < 0x900) {
/* FIXME: another hack to handle MCI messages...
* should find a *NICE* way to integrate DRIVER_ and
* MCI_ mapping/unmapping functions
*/
ret = 0;
} else {
FIXME(driver, "Unknown message 0x%04x\n", wMsg);
}
}
return ret;
}
/**************************************************************************
* DRIVER_MapMsg16To32 [internal]
*
* UnMap a 16 bit driver message to a 32 bit driver message.
* 0 : ok
* -1 : ko
* -2 : ko, memory problem
*/
int DRIVER_UnMapMsg16To32(WORD wMsg, DWORD lParam1, DWORD lParam2)
{
int ret = -1;
switch (wMsg) {
case DRV_LOAD:
case DRV_ENABLE:
case DRV_DISABLE:
case DRV_FREE:
case DRV_QUERYCONFIGURE:
case DRV_REMOVE:
case DRV_EXITSESSION:
case DRV_EXITAPPLICATION:
case DRV_POWER:
/* lParam1 and lParam2 are not used */
case DRV_OPEN:
case DRV_CLOSE:
/* lParam1 is a NULL terminated string */
/* lParam2 is a pointer to an MCI_OPEN_DRIVER_PARMS for an MCI device */
if (lParam2 && wMsg == DRV_OPEN) {
LPMCI_OPEN_DRIVER_PARMSA modp32 = (LPMCI_OPEN_DRIVER_PARMSA)lParam2;
LPMCI_OPEN_DRIVER_PARMS16 modp16 = *(LPMCI_OPEN_DRIVER_PARMS16*)(lParam2 - sizeof(LPMCI_OPEN_DRIVER_PARMSA));
modp16->wCustomCommandTable = modp32->wCustomCommandTable;
modp16->wType = modp32->wType;
if (!HeapFree(SystemHeap, 0, modp32))
FIXME(driver, "bad free line=%d\n", __LINE__);
}
ret = 0;
break;
case DRV_CONFIGURE:
case DRV_INSTALL:
/* lParam1 is a handle to a window (or not used), lParam2 is a pointer to DRVCONFIGINFO, lParam2 */
if (lParam2) {
LPDRVCONFIGINFO dci32 = (LPDRVCONFIGINFO)lParam2;
if (!HeapFree(SystemHeap, 0, (LPVOID)dci32->lpszDCISectionName))
FIXME(driver, "bad free line=%d\n", __LINE__);
if (!HeapFree(SystemHeap, 0, (LPVOID)dci32->lpszDCIAliasName))
FIXME(driver, "bad free line=%d\n", __LINE__);
if (!HeapFree(SystemHeap, 0, dci32))
FIXME(driver, "bad free line=%d\n", __LINE__);
}
ret = 0;
break;
default:
if (wMsg >= 0x800 && wMsg < 0x900) {
/* FIXME: another hack to handle MCI messages...
* should find a *NICE* way to integrate DRIVER_ and
* MCI_ mapping/unmapping functions
*/
ret = 0;
} else {
FIXME(driver, "Unknown message 0x%04x\n", wMsg);
}
}
return ret;
}
/**************************************************************************
* DRIVER_MapMsg32To16 [internal]
*
* Map a 32 bit driver message to a 16 bit driver message.
* 1 : ok, some memory allocated, need to call DRIVER_UnMapMsg32To16
* 0 : ok, no memory allocated
* -1 : ko, unknown message
* -2 : ko, memory problem
*/
int DRIVER_MapMsg32To16(WORD wMsg, DWORD* lParam1, DWORD* lParam2)
{
int ret = -1;
switch (wMsg) {
case DRV_LOAD:
case DRV_ENABLE:
case DRV_DISABLE:
case DRV_FREE:
case DRV_QUERYCONFIGURE:
case DRV_REMOVE:
case DRV_EXITSESSION:
case DRV_EXITAPPLICATION:
case DRV_POWER:
/* lParam1 and lParam2 are not used */
ret = 0;
break;
case DRV_OPEN:
case DRV_CLOSE:
/* lParam1 is a NULL terminated string */
/* lParam2 is a pointer to an MCI_OPEN_DRIVER_PARMS for an MCI device */
if (*lParam1) {
LPSTR str = SEGPTR_STRDUP((LPSTR)*lParam1);
if (str) {
*lParam1 = (LPARAM)SEGPTR_GET(str);
ret = 0;
} else {
ret = -2;
}
} else {
ret = 0;
}
if (*lParam2 && wMsg == DRV_OPEN) {
LPMCI_OPEN_DRIVER_PARMS16 modp16;
char* ptr = SEGPTR_ALLOC(sizeof(LPMCI_OPEN_DRIVER_PARMSA) + sizeof(MCI_OPEN_DRIVER_PARMS16));
LPMCI_OPEN_DRIVER_PARMSA modp32 = (LPMCI_OPEN_DRIVER_PARMSA)(*lParam2);
if (ptr) {
*(LPMCI_OPEN_DRIVER_PARMSA*)ptr = modp32;
modp16 = (LPMCI_OPEN_DRIVER_PARMS16)(ptr + sizeof(LPMCI_OPEN_DRIVER_PARMSA));
modp16->wDeviceID = modp32->wDeviceID;
modp16->lpstrParams = PTR_SEG_TO_LIN(modp32->lpstrParams);
} else {
return -2;
}
*lParam2 = (DWORD)SEGPTR_GET(modp16);
ret = 1;
}
break;
case DRV_CONFIGURE:
case DRV_INSTALL:
/* lParam1 is a handle to a window (or not used), lParam2 is a pointer to DRVCONFIGINFO */
if (*lParam2) {
LPDRVCONFIGINFO16 dci16 = (LPDRVCONFIGINFO16)SEGPTR_ALLOC(sizeof(DRVCONFIGINFO16));
LPDRVCONFIGINFO dci32 = (LPDRVCONFIGINFO)lParam2;
if (dci16) {
LPSTR str1, str2;
dci16->dwDCISize = sizeof(DRVCONFIGINFO16);
if ((str1 = HEAP_strdupWtoA(SystemHeap, 0, dci32->lpszDCISectionName)) != NULL &&
(str2 = SEGPTR_STRDUP(str1)) != NULL) {
dci16->lpszDCISectionName = (LPSTR)SEGPTR_GET(str2);
if (!HeapFree(SystemHeap, 0, str1))
FIXME(driver, "bad free line=%d\n", __LINE__);
} else {
return -2;
}
if ((str1 = HEAP_strdupWtoA(SystemHeap, 0, dci32->lpszDCIAliasName)) != NULL &&
(str2 = SEGPTR_STRDUP(str1)) != NULL) {
dci16->lpszDCIAliasName = (LPSTR)SEGPTR_GET(str2);
if (!HeapFree(SystemHeap, 0, str1))
FIXME(driver, "bad free line=%d\n", __LINE__);
} else {
return -2;
}
} else {
return -2;
}
*lParam2 = (LPARAM)SEGPTR_GET(dci16);
ret = 1;
} else {
ret = 0;
}
break;
default:
if (wMsg >= 0x800 && wMsg < 0x900) {
/* FIXME: another hack to handle MCI messages...
* should find a *NICE* way to integrate DRIVER_ and
* MCI_ mapping/unmapping functions
*/
ret = 0;
} else {
FIXME(driver, "Unknown message 0x%04x\n", wMsg);
}
}
return ret;
}
/**************************************************************************
* DRIVER_UnMapMsg32To16 [internal]
*
* UnMap a 32 bit driver message to a 16 bit driver message.
* 0 : ok
* -1 : ko
* -2 : ko, memory problem
*/
int DRIVER_UnMapMsg32To16(WORD wMsg, DWORD lParam1, DWORD lParam2)
{
int ret = -1;
switch (wMsg) {
case DRV_LOAD:
case DRV_ENABLE:
case DRV_DISABLE:
case DRV_FREE:
case DRV_QUERYCONFIGURE:
case DRV_REMOVE:
case DRV_EXITSESSION:
case DRV_EXITAPPLICATION:
case DRV_POWER:
/* lParam1 and lParam2 are not used */
case DRV_OPEN:
case DRV_CLOSE:
/* lParam1 is a NULL terminated string, lParam2 is unknown => may lead to some problem */
/* lParam2 is a pointer to an MCI_OPEN_DRIVER_PARMS for an MCI device */
if (lParam1) if (!SEGPTR_FREE(PTR_SEG_TO_LIN(lParam1)))
FIXME(driver, "bad free line=%d\n", __LINE__);
if (lParam2 && wMsg == DRV_OPEN) {
LPMCI_OPEN_DRIVER_PARMS16 modp16 = (LPMCI_OPEN_DRIVER_PARMS16)PTR_SEG_TO_LIN(lParam2);
LPMCI_OPEN_DRIVER_PARMSA modp32 = *(LPMCI_OPEN_DRIVER_PARMSA*)((char*)modp16 - sizeof(LPMCI_OPEN_DRIVER_PARMSA));
modp32->wCustomCommandTable = modp16->wCustomCommandTable;
modp32->wType = modp16->wType;
if (!SEGPTR_FREE((char*)modp16 - sizeof(LPMCI_OPEN_DRIVER_PARMSA)))
FIXME(driver, "bad free line=%d\n", __LINE__);
}
ret = 0;
break;
case DRV_CONFIGURE:
case DRV_INSTALL:
/* lParam1 is a handle to a window (or not used), lParam2 is a pointer to DRVCONFIGINFO, lParam2 */
if (lParam2) {
LPDRVCONFIGINFO16 dci16 = (LPDRVCONFIGINFO16)PTR_SEG_TO_LIN(lParam2);
if (!SEGPTR_FREE(PTR_SEG_TO_LIN(dci16->lpszDCISectionName)))
FIXME(driver, "bad free line=%d\n", __LINE__);
if (!SEGPTR_FREE(PTR_SEG_TO_LIN(dci16->lpszDCIAliasName)))
FIXME(driver, "bad free line=%d\n", __LINE__);
if (!SEGPTR_FREE(dci16))
FIXME(driver, "bad free line=%d\n", __LINE__);
}
ret = 0;
break;
default:
if (wMsg >= 0x800 && wMsg < 0x900) {
/* FIXME: another hack to handle MCI messages...
* should find a *NICE* way to integrate DRIVER_ and
* MCI_ mapping/unmapping functions
*/
ret = 0;
} else {
FIXME(driver, "Unknown message 0x%04x\n", wMsg);
}
}
return ret;
}
/**************************************************************************
* SendDriverMessage [USER.251]
*/
LRESULT WINAPI SendDriverMessage16(HDRVR16 hDriver, UINT16 msg, LPARAM lParam1,
LPARAM lParam2)
{
LPWINE_DRIVER lpDrv;
LRESULT retval = 0;
int mapRet;
TRACE(driver, "(%04x, %04X, %08lX, %08lX)\n", hDriver, msg, lParam1, lParam2);
lpDrv = DRIVER_FindFromHDrvr16(hDriver);
if (lpDrv != NULL && lpDrv->hDriver16 == hDriver) {
switch (lpDrv->dwFlags & WINE_DI_TYPE_MASK) {
case WINE_DI_TYPE_16:
TRACE(driver, "Before CallDriverProc proc=%p driverID=%08lx hDrv=%u wMsg=%04x p1=%08lx p2=%08lx\n",
lpDrv->d.d16.lpDrvProc, lpDrv->dwDriverID, hDriver, msg, lParam1, lParam2);
retval = Callbacks->CallDriverProc(lpDrv->d.d16.lpDrvProc, lpDrv->dwDriverID, hDriver,
msg, lParam1, lParam2);
break;
case WINE_DI_TYPE_32:
mapRet = DRIVER_MapMsg16To32(msg, &lParam1, &lParam2);
if (mapRet >= 0) {
TRACE(driver, "Before func32 call proc=%p driverID=%08lx hDrv=%u wMsg=%04x p1=%08lx p2=%08lx\n",
lpDrv->d.d32.lpDrvProc, lpDrv->dwDriverID, (HDRVR)lpDrv, msg, lParam1, lParam2);
retval = lpDrv->d.d32.lpDrvProc(lpDrv->dwDriverID, (HDRVR)lpDrv, msg, lParam1, lParam2);
if (mapRet >= 1) {
DRIVER_UnMapMsg16To32(msg, lParam1, lParam2);
}
} else {
retval = 0;
}
break;
default:
FIXME(driver, "Unknown driver type %08lx\n", lpDrv->dwFlags);
break;
}
} else {
WARN(driver, "Bad driver handle %u\n", hDriver);
}
TRACE(driver, "retval = %ld\n", retval);
return retval;
}
/**************************************************************************
* SendDriverMessage [WINMM.19]
*/
LRESULT WINAPI SendDriverMessage(HDRVR hDriver, UINT msg, LPARAM lParam1,
LPARAM lParam2)
{
LPWINE_DRIVER lpDrv;
LRESULT retval = 0;
int mapRet;
TRACE(driver, "(%04x, %04X, %08lX, %08lX)\n", hDriver, msg, lParam1, lParam2);
lpDrv = DRIVER_FindFromHDrvr(hDriver);
if (lpDrv != NULL) {
switch (lpDrv->dwFlags & WINE_DI_TYPE_MASK) {
case WINE_DI_TYPE_16:
mapRet = DRIVER_MapMsg32To16(msg, &lParam1, &lParam2);
if (mapRet >= 0) {
TRACE(driver, "Before CallDriverProc proc=%p driverID=%08lx hDrv=%u wMsg=%04x p1=%08lx p2=%08lx\n",
lpDrv->d.d16.lpDrvProc, lpDrv->dwDriverID, lpDrv->hDriver16, msg, lParam1, lParam2);
retval = Callbacks->CallDriverProc(lpDrv->d.d16.lpDrvProc, lpDrv->dwDriverID, lpDrv->hDriver16,
msg, lParam1, lParam2);
if (mapRet >= 1) {
DRIVER_UnMapMsg32To16(msg, lParam1, lParam2);
}
} else {
retval = 0;
}
break;
case WINE_DI_TYPE_32:
TRACE(driver, "Before func32 call proc=%p driverID=%08lx hDrv=%u wMsg=%04x p1=%08lx p2=%08lx\n",
lpDrv->d.d32.lpDrvProc, lpDrv->dwDriverID, hDriver, msg, lParam1, lParam2);
retval = lpDrv->d.d32.lpDrvProc(lpDrv->dwDriverID, hDriver, msg, lParam1, lParam2);
break;
default:
FIXME(driver, "Unknown driver type %08lx\n", lpDrv->dwFlags);
break;
}
} else {
WARN(driver, "Bad driver handle %u\n", hDriver);
}
TRACE(driver, "retval = %ld\n", retval);
return retval;
}
/**************************************************************************
* DRIVER_RemoveFromList [internal]
*
* Generates all the logic to handle driver closure / deletion
* Removes a driver struct to the list of open drivers.
*/
static BOOL DRIVER_RemoveFromList(LPWINE_DRIVER lpDrv)
{
lpDrv->dwDriverID = 0;
if (DRIVER_GetNumberOfModuleRefs(lpDrv) == 1) {
SendDriverMessage((HDRVR)lpDrv, DRV_DISABLE, 0L, 0L);
SendDriverMessage((HDRVR)lpDrv, DRV_FREE, 0L, 0L);
if (lpDrv->lpPrevItem)
lpDrv->lpPrevItem->lpNextItem = lpDrv->lpNextItem;
else
lpDrvItemList = lpDrv->lpNextItem;
if (lpDrv->lpNextItem)
lpDrv->lpNextItem->lpPrevItem = lpDrv->lpPrevItem;
}
return TRUE;
}
/**************************************************************************
* DRIVER_AddToList [internal]
*
* Adds a driver struct to the list of open drivers.
* Generates all the logic to handle driver creation / open.
*/
static BOOL DRIVER_AddToList(LPWINE_DRIVER lpNewDrv, LPARAM lParam, BOOL bCallFrom32)
{
lpNewDrv->dwMagic = WINE_DI_MAGIC;
/* First driver to be loaded for this module, need to load correctly the module */
if (DRIVER_GetNumberOfModuleRefs(lpNewDrv) == 0) {
if (SendDriverMessage((HDRVR)lpNewDrv, DRV_LOAD, 0L, 0L) != DRV_SUCCESS) {
TRACE(driver, "DRV_LOAD failed on driver 0x%08lx\n", (DWORD)lpNewDrv);
return FALSE;
}
if (SendDriverMessage((HDRVR)lpNewDrv, DRV_ENABLE, 0L, 0L) != DRV_SUCCESS) {
TRACE(driver, "DRV_ENABLE failed on driver 0x%08lx\n", (DWORD)lpNewDrv);
return FALSE;
}
}
lpNewDrv->lpNextItem = NULL;
if (lpDrvItemList == NULL) {
lpDrvItemList = lpNewDrv;
lpNewDrv->lpPrevItem = NULL;
} else {
LPWINE_DRIVER lpDrv = lpDrvItemList; /* find end of list */
while (lpDrv->lpNextItem != NULL)
lpDrv = lpDrv->lpNextItem;
lpDrv->lpNextItem = lpNewDrv;
lpNewDrv->lpPrevItem = lpDrv;
}
/* Now just open a new instance of a driver on this module */
if (bCallFrom32) {
lpNewDrv->dwDriverID = SendDriverMessage((HDRVR)lpNewDrv, DRV_OPEN, 0L, lParam);
} else {
lpNewDrv->dwDriverID = SendDriverMessage16(lpNewDrv->hDriver16, DRV_OPEN, 0L, lParam);
}
if (lpNewDrv->dwDriverID == 0) {
TRACE(driver, "DRV_OPEN failed on driver 0x%08lx\n", (DWORD)lpNewDrv);
DRIVER_RemoveFromList(lpNewDrv);
return FALSE;
}
return TRUE;
}
/**************************************************************************
* DRIVER_CreateDrvr16 [internal]
*
* Creates unique ID for 16 bit drivers.
*/
static HDRVR16 DRIVER_CreateDrvr16()
{
static WORD DRIVER_hDrvr16Counter = 0;
while (DRIVER_FindFromHDrvr16(++DRIVER_hDrvr16Counter));
return DRIVER_hDrvr16Counter;
}
/**************************************************************************
* DRIVER_RegisterDriver16 [internal]
*
* Creates all the WINE internal representations for a 16 bit driver.
* The driver is also open by sending the correct messages.
*/
LPWINE_DRIVER DRIVER_RegisterDriver16(LPCSTR lpName, HMODULE16 hModule, DRIVERPROC16 lpProc,
LPARAM lParam, BOOL bCallFrom32)
{
LPWINE_DRIVER lpDrv;
lpDrv = HeapAlloc(SystemHeap, 0, sizeof(WINE_DRIVER));
if (lpDrv != NULL) {
lpDrv->dwFlags = WINE_DI_TYPE_16;
lpDrv->dwDriverID = 0;
lpDrv->hDriver16 = DRIVER_CreateDrvr16();
strncpy(lpDrv->szAliasName, lpName, sizeof(lpDrv->szAliasName));
lpDrv->d.d16.hModule = hModule;
lpDrv->d.d16.lpDrvProc = lpProc;
if (!DRIVER_AddToList(lpDrv, lParam, bCallFrom32)) {
HeapFree(SystemHeap, 0, lpDrv);
lpDrv = NULL;
}
}
return lpDrv;
}
/**************************************************************************
* DRIVER_RegisterDriver32 [internal]
*
* Creates all the WINE internal representations for a 32 bit driver.
* The driver is also open by sending the correct messages.
*/
LPWINE_DRIVER DRIVER_RegisterDriver32(LPCSTR lpName, HMODULE hModule, DRIVERPROC lpProc,
LPARAM lParam, BOOL bCallFrom32)
{
LPWINE_DRIVER lpDrv;
lpDrv = HeapAlloc(SystemHeap, 0, sizeof(WINE_DRIVER));
if (lpDrv != NULL) {
lpDrv->dwFlags = WINE_DI_TYPE_32;
lpDrv->dwDriverID = 0;
lpDrv->hDriver16 = DRIVER_CreateDrvr16();
strncpy(lpDrv->szAliasName, lpName, sizeof(lpDrv->szAliasName));
lpDrv->d.d32.hModule = hModule;
lpDrv->d.d32.lpDrvProc = lpProc;
if (!DRIVER_AddToList(lpDrv, lParam, bCallFrom32)) {
HeapFree(SystemHeap, 0, lpDrv);
lpDrv = NULL;
}
}
return lpDrv;
}
/**************************************************************************
* DRIVER_TryOpenDriver16 [internal]
*
* Tries to load a 16 bit driver whose DLL's (module) name is lpFileName.
*/
static HDRVR16 DRIVER_TryOpenDriver16(LPCSTR lpFileName, LPARAM lParam, BOOL bCallFrom32)
{
LPWINE_DRIVER lpDrv = NULL;
LPCSTR lpSFN;
HMODULE16 hModule;
DRIVERPROC16 lpProc;
TRACE(driver,"('%s', %08lX);\n", lpFileName, lParam);
if (lstrlenA(lpFileName) < 1)
return 0;
lpSFN = strrchr(lpFileName, '\\');
lpSFN = (lpSFN) ? (lpSFN + 1) : lpFileName;
if ((hModule = LoadModule16(lpFileName, (LPVOID)-1)) != 0) {
if ((lpProc = (DRIVERPROC16)WIN32_GetProcAddress16(hModule, "DRIVERPROC")) != NULL) {
lpDrv = DRIVER_RegisterDriver16(lpSFN, hModule, lpProc, lParam, bCallFrom32);
} else {
TRACE(driver, "No DriverProc found\n");
}
} else {
TRACE(driver, "Unable to load 16 bit module (%s)\n", lpFileName);
}
return lpDrv ? lpDrv->hDriver16 : 0;
}
/**************************************************************************
* DRIVER_TryOpenDriver32 [internal]
*
* Tries to load a 32 bit driver whose DLL's (module) name is lpFileName.
*/
static HDRVR DRIVER_TryOpenDriver32(LPCSTR lpFileName, LPARAM lParam, BOOL bCallFrom32)
{
LPWINE_DRIVER lpDrv = NULL;
LPCSTR lpSFN;
HMODULE hModule;
DRIVERPROC lpProc;
TRACE(driver,"('%s', %08lX);\n", lpFileName, lParam);
if (lstrlenA(lpFileName) < 1)
return 0;
lpSFN = strrchr(lpFileName, '\\');
lpSFN = (lpSFN) ? (lpSFN + 1) : lpFileName;
if ((hModule = LoadLibraryA(lpFileName)) != 0) {
if ((lpProc = GetProcAddress(hModule, "DriverProc")) != NULL) {
lpDrv = DRIVER_RegisterDriver32(lpSFN, hModule, lpProc, lParam, bCallFrom32);
} else {
TRACE(driver, "No DriverProc found\n");
}
} else {
TRACE(driver, "Unable to load 32 bit module \"%s\"\n", lpFileName);
}
TRACE(driver, "=> %p\n", lpDrv);
return (HDRVR)lpDrv;
}
/**************************************************************************
* OpenDriver16 [USER.252]
*/
HDRVR16 WINAPI OpenDriver16(LPCSTR lpDriverName, LPCSTR lpSectionName, LPARAM lParam)
{
HDRVR16 hDriver = 0;
char drvName[128];
TRACE(driver,"('%s', '%s', %08lX);\n", lpDriverName, lpSectionName, lParam);
if (lpSectionName == NULL) {
hDriver = DRIVER_TryOpenDriver16(lpDriverName, lParam, FALSE);
if (!hDriver) {
/* in case hDriver is NULL, search in Drivers32 section */
lpSectionName = "Drivers";
}
}
if (!hDriver && GetPrivateProfileStringA(lpSectionName, lpDriverName, "",
drvName, sizeof(drvName), "SYSTEM.INI") > 0) {
hDriver = DRIVER_TryOpenDriver16(drvName, lParam, FALSE);
}
return hDriver;
}
/**************************************************************************
* OpenDriver32A [WINMM.15]
* (0,1,DRV_LOAD ,0 ,0)
* (0,1,DRV_ENABLE,0 ,0)
* (0,1,DRV_OPEN ,buf[256],0)
*/
HDRVR WINAPI OpenDriverA(LPCSTR lpDriverName, LPCSTR lpSectionName, LPARAM lParam)
{
HDRVR hDriver = 0;
char drvName[128];
TRACE(driver,"('%s', '%s', %08lX);\n", lpDriverName, lpSectionName, lParam);
if (lpSectionName == NULL) {
strncpy(drvName, lpDriverName, sizeof(drvName));
hDriver = DRIVER_TryOpenDriver32(lpDriverName, lParam, TRUE);
if (!hDriver) {
hDriver = DRIVER_TryOpenDriver16(lpDriverName, lParam, TRUE);
}
if (!hDriver) {
if (GetPrivateProfileStringA("Drivers32", lpDriverName, "", drvName,
sizeof(drvName), "SYSTEM.INI")) {
hDriver = DRIVER_TryOpenDriver32(drvName, lParam, TRUE);
}
}
if (!hDriver) {
if (GetPrivateProfileStringA("Drivers", lpDriverName, "", drvName,
sizeof(drvName), "SYSTEM.INI")) {
hDriver = DRIVER_TryOpenDriver16(drvName, lParam, TRUE);
}
}
} else {
if (GetPrivateProfileStringA(lpSectionName, lpDriverName, "", drvName,
sizeof(drvName), "SYSTEM.INI")) {
hDriver = DRIVER_TryOpenDriver32(drvName, lParam, TRUE);
if (!hDriver) {
hDriver = DRIVER_TryOpenDriver16(drvName, lParam, TRUE);
}
}
}
TRACE(driver, "retval='%08x'\n", hDriver);
return hDriver;
}
/**************************************************************************
* OpenDriver32W [WINMM.15]
*/
HDRVR WINAPI OpenDriverW(LPCWSTR lpDriverName, LPCWSTR lpSectionName, LPARAM lParam)
{
LPSTR dn = HEAP_strdupWtoA(GetProcessHeap(), 0, lpDriverName);
LPSTR sn = HEAP_strdupWtoA(GetProcessHeap(), 0, lpSectionName);
HDRVR ret = OpenDriverA(dn, sn, lParam);
if (dn) HeapFree(GetProcessHeap(), 0, dn);
if (sn) HeapFree(GetProcessHeap(), 0, sn);
return ret;
}
/**************************************************************************
* CloseDriver [USER.253]
*/
LRESULT WINAPI CloseDriver16(HDRVR16 hDrvr, LPARAM lParam1, LPARAM lParam2)
{
LPWINE_DRIVER lpDrv;
TRACE(driver, "(%04x, %08lX, %08lX);\n", hDrvr, lParam1, lParam2);
lpDrv = DRIVER_FindFromHDrvr16(hDrvr);
if (lpDrv != NULL) {
SendDriverMessage((HDRVR)lpDrv, DRV_CLOSE, lParam1, lParam2);
if (DRIVER_RemoveFromList(lpDrv)) {
TRACE(driver, "hDrvr=%04x closed !\n", hDrvr);
return TRUE;
}
}
return FALSE;
}
/**************************************************************************
* CloseDriver32 [WINMM.4]
*/
LRESULT WINAPI CloseDriver(HDRVR hDrvr, LPARAM lParam1, LPARAM lParam2)
{
LPWINE_DRIVER lpDrv;
TRACE(driver, "(%04x, %08lX, %08lX);\n", hDrvr, lParam1, lParam2);
lpDrv = DRIVER_FindFromHDrvr(hDrvr);
if (lpDrv != NULL) {
SendDriverMessage((HDRVR)lpDrv, DRV_CLOSE, lParam1, lParam2);
if (DRIVER_RemoveFromList(lpDrv)) {
TRACE(driver, "hDrvr=%08x closed !\n", hDrvr);
return TRUE;
}
}
return FALSE;
}
/**************************************************************************
* GetDriverModuleHandle [USER.254]
*/
HMODULE16 WINAPI GetDriverModuleHandle16(HDRVR16 hDrvr)
{
LPWINE_DRIVER lpDrv;
HMODULE16 hModule = 0;
TRACE(driver, "(%04x);\n", hDrvr);
lpDrv = DRIVER_FindFromHDrvr16(hDrvr);
if (lpDrv != NULL && lpDrv->hDriver16 == hDrvr &&
(lpDrv->dwFlags & WINE_DI_TYPE_MASK) == WINE_DI_TYPE_16) {
hModule = lpDrv->d.d16.hModule;
}
return hModule;
}
/**************************************************************************
* GetDriverModuleHandle [USER.254]
*/
HMODULE WINAPI GetDriverModuleHandle(HDRVR hDrvr)
{
LPWINE_DRIVER lpDrv;
HMODULE hModule = 0;
TRACE(driver, "(%04x);\n", hDrvr);
lpDrv = DRIVER_FindFromHDrvr(hDrvr);
if (lpDrv != NULL && (lpDrv->dwFlags & WINE_DI_TYPE_MASK) == WINE_DI_TYPE_32) {
hModule = lpDrv->d.d32.hModule;
}
return hModule;
}
/**************************************************************************
* DefDriverProc16 [USER.255]
*/
LRESULT WINAPI DefDriverProc16(DWORD dwDevID, HDRVR16 hDriv, UINT16 wMsg,
LPARAM lParam1, LPARAM lParam2)
{
switch(wMsg) {
case DRV_LOAD: return (LRESULT)0L;
case DRV_FREE: return (LRESULT)0L;
case DRV_OPEN: return (LRESULT)0L;
case DRV_CLOSE: return (LRESULT)0L;
case DRV_ENABLE: return (LRESULT)0L;
case DRV_DISABLE: return (LRESULT)0L;
case DRV_QUERYCONFIGURE: return (LRESULT)0L;
case DRV_CONFIGURE: MessageBoxA(0, "Driver isn't configurable !", "Wine Driver", MB_OK); return (LRESULT)0L;
case DRV_INSTALL: return (LRESULT)DRVCNF_RESTART;
case DRV_REMOVE: return (LRESULT)DRVCNF_RESTART;
default: return (LRESULT)0L;
}
}
/**************************************************************************
* GetDriverInfo [USER.256]
*/
BOOL16 WINAPI GetDriverInfo16(HDRVR16 hDrvr, LPDRIVERINFOSTRUCT16 lpDrvInfo)
{
LPWINE_DRIVER lpDrv;
BOOL16 ret = FALSE;
TRACE(driver, "(%04x, %p);\n", hDrvr, lpDrvInfo);
if (lpDrvInfo == NULL ||
lpDrvInfo->length != sizeof(DRIVERINFOSTRUCT16)) return FALSE;
lpDrv = DRIVER_FindFromHDrvr16(hDrvr);
if (lpDrv != NULL && lpDrv->hDriver16 == hDrvr &&
(lpDrv->dwFlags & WINE_DI_TYPE_MASK) == WINE_DI_TYPE_16) {
lpDrvInfo->hDriver = lpDrv->hDriver16;
lpDrvInfo->hModule = lpDrv->d.d16.hModule;
strncpy(lpDrvInfo->szAliasName, lpDrv->szAliasName, sizeof(lpDrvInfo->szAliasName));
ret = TRUE;
}
return ret;
}
/**************************************************************************
* GetNextDriver [USER.257]
*/
HDRVR16 WINAPI GetNextDriver16(HDRVR16 hDrvr, DWORD dwFlags)
{
HDRVR16 hRetDrv = 0;
LPWINE_DRIVER lpDrv;
TRACE(driver, "(%04x, %08lX);\n", hDrvr, dwFlags);
if (hDrvr == 0) {
if (lpDrvItemList == NULL) {
FIXME(driver, "drivers list empty !\n");
/* FIXME: code was using DRIVER_LoadStartupDrivers(); before ?
* I (EPP) don't quite understand this
*/
if (lpDrvItemList == NULL) return 0;
}
lpDrv = lpDrvItemList;
if (dwFlags & GND_REVERSE) {
while (lpDrv->lpNextItem)
lpDrv = lpDrv->lpNextItem;
}
} else {
lpDrv = DRIVER_FindFromHDrvr16(hDrvr);
if (lpDrv != NULL) {
if (dwFlags & GND_REVERSE) {
lpDrv = (lpDrv->lpPrevItem) ? lpDrv->lpPrevItem : NULL;
} else {
lpDrv = (lpDrv->lpNextItem) ? lpDrv->lpNextItem : NULL;
}
}
}
hRetDrv = (lpDrv) ? lpDrv->hDriver16 : (HDRVR16)0;
TRACE(driver, "return %04x !\n", hRetDrv);
return hRetDrv;
}
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