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winspool: Return the full path for the driver.

This commit is contained in:
Detlef Riekenberg 2007-07-26 23:05:27 +02:00 committed by Alexandre Julliard
parent 36a6515d4e
commit 4b53154f36
1 changed files with 129 additions and 8 deletions
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137
dlls/winspool.drv/info.c
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@ -200,6 +200,7 @@ static const WCHAR Version3_SubdirW[] = {'\\','3',0};
static const WCHAR spooldriversW[] = {'\\','s','p','o','o','l','\\','d','r','i','v','e','r','s','\\',0};
static const WCHAR spoolprtprocsW[] = {'\\','s','p','o','o','l','\\','p','r','t','p','r','o','c','s','\\',0};
static const WCHAR backslashW[] = {'\\',0};
static const WCHAR Configuration_FileW[] = {'C','o','n','f','i','g','u','r','a','t',
'i','o','n',' ','F','i','l','e',0};
static const WCHAR DatatypeW[] = {'D','a','t','a','t','y','p','e',0};
@ -3416,6 +3417,112 @@ static DWORD WINSPOOL_GetDWORDFromReg(HKEY hkey, LPCSTR ValueName)
return value;
}
/*****************************************************************************
* get_filename_from_reg [internal]
*
* Get ValueName from hkey storing result in out
* when the Value in the registry has only a filename, use driverdir as prefix
* outlen is space left in out
* String is stored either as unicode or ascii
*
*/
static BOOL get_filename_from_reg(HKEY hkey, LPCWSTR driverdir, DWORD dirlen, LPCWSTR ValueName,
LPBYTE out, DWORD outlen, LPDWORD needed, BOOL unicode)
{
WCHAR filename[MAX_PATH];
DWORD size;
DWORD type;
LONG ret;
LPWSTR buffer = filename;
LPWSTR ptr;
*needed = 0;
size = sizeof(filename);
buffer[0] = '\0';
ret = RegQueryValueExW(hkey, ValueName, NULL, &type, (LPBYTE) buffer, &size);
if (ret == ERROR_MORE_DATA) {
TRACE("need dynamic buffer: %u\n", size);
buffer = HeapAlloc(GetProcessHeap(), 0, size);
if (!buffer) {
/* No Memory is bad */
return FALSE;
}
buffer[0] = '\0';
ret = RegQueryValueExW(hkey, ValueName, NULL, &type, (LPBYTE) buffer, &size);
}
if ((ret != ERROR_SUCCESS) || (!buffer[0])) {
if (buffer != filename) HeapFree(GetProcessHeap(), 0, buffer);
return FALSE;
}
ptr = buffer;
while (ptr) {
/* do we have a full path ? */
ret = (((buffer[0] == '\\') && (buffer[1] == '\\')) ||
(buffer[0] && (buffer[1] == ':') && (buffer[2] == '\\')) );
if (!ret) {
/* we must build the full Path */
*needed += dirlen;
if ((out) && (outlen > dirlen)) {
if (unicode) {
lstrcpyW((LPWSTR)out, driverdir);
}
else
{
WideCharToMultiByte(CP_ACP, 0, driverdir, -1, (LPSTR)out, outlen, NULL, NULL);
}
out += dirlen;
outlen -= dirlen;
}
else
out = NULL;
}
/* write the filename */
if (unicode) {
size = (lstrlenW(ptr) + 1) * sizeof(WCHAR);
if ((out) && (outlen >= size)) {
lstrcpyW((LPWSTR)out, ptr);
out += size;
outlen -= size;
}
else
out = NULL;
}
else
{
size = WideCharToMultiByte(CP_ACP, 0, ptr, -1, NULL, 0, NULL, NULL);
if ((out) && (outlen >= size)) {
WideCharToMultiByte(CP_ACP, 0, ptr, -1, (LPSTR)out, outlen, NULL, NULL);
out += size;
outlen -= size;
}
else
out = NULL;
}
*needed += size;
ptr += lstrlenW(ptr)+1;
if ((type != REG_MULTI_SZ) || (!ptr[0])) ptr = NULL;
}
if (buffer != filename) HeapFree(GetProcessHeap(), 0, buffer);
/* write the multisz-termination */
if (type == REG_MULTI_SZ) {
size = (unicode) ? sizeof(WCHAR) : 1;
*needed += size;
if (out && (outlen >= size)) {
memset (out, 0, size);
}
}
return TRUE;
}
/*****************************************************************************
* WINSPOOL_GetStringFromReg
*
@ -4255,6 +4362,8 @@ static BOOL WINSPOOL_GetDriverInfoFromReg(
{
DWORD size, tmp;
HKEY hkeyDriver;
WCHAR driverdir[MAX_PATH];
DWORD dirlen;
LPBYTE strPtr = pDriverStrings;
LPDRIVER_INFO_8W di = (LPDRIVER_INFO_8W) ptr;
@ -4287,6 +4396,19 @@ static BOOL WINSPOOL_GetDriverInfoFromReg(
strPtr = (pDriverStrings) ? (pDriverStrings + (*pcbNeeded)) : NULL;
}
/* Reserve Space for the largest subdir and a Backslash*/
size = sizeof(driverdir) - sizeof(Version3_SubdirW) - sizeof(WCHAR);
if (!GetPrinterDriverDirectoryW(NULL, (LPWSTR) env->envname, 1, (LPBYTE) driverdir, size, &size)) {
/* Should never Fail */
return FALSE;
}
lstrcatW(driverdir, env->versionsubdir);
lstrcatW(driverdir, backslashW);
/* dirlen must not include the terminating zero */
dirlen = (unicode) ? lstrlenW(driverdir) * sizeof(WCHAR) :
WideCharToMultiByte(CP_ACP, 0, driverdir, -1, NULL, 0, NULL, NULL) -1;
if (!DriverName[0] || RegOpenKeyW(hkeyDrivers, DriverName, &hkeyDriver) != ERROR_SUCCESS) {
ERR("Can't find driver %s in registry\n", debugstr_w(DriverName));
SetLastError(ERROR_UNKNOWN_PRINTER_DRIVER); /* ? */
@ -4312,15 +4434,14 @@ static BOOL WINSPOOL_GetDriverInfoFromReg(
strPtr = (pDriverStrings) ? (pDriverStrings + (*pcbNeeded)) : NULL;
}
if(WINSPOOL_GetStringFromReg(hkeyDriver, DriverW, strPtr, 0, &size,
unicode)) {
/* .pDriverPath is the Graphics rendering engine.
The full Path is required to avoid a crash in some apps */
if (get_filename_from_reg(hkeyDriver, driverdir, dirlen, DriverW, strPtr, 0, &size, unicode)) {
*pcbNeeded += size;
if(*pcbNeeded <= cbBuf)
WINSPOOL_GetStringFromReg(hkeyDriver, DriverW, strPtr, size, &tmp,
unicode);
if(ptr)
((PDRIVER_INFO_2W) ptr)->pDriverPath = (LPWSTR)strPtr;
if (*pcbNeeded <= cbBuf)
get_filename_from_reg(hkeyDriver, driverdir, dirlen, DriverW, strPtr, size, &tmp, unicode);
if (di) di->pDriverPath = (LPWSTR)strPtr;
strPtr = (pDriverStrings) ? (pDriverStrings + (*pcbNeeded)) : NULL;
}