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[SETUPAPI] Correctly enumerate non-installed devices in SetupDiGetClassDevsExW

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Always try to read the correct device GUID from registry, even if GUID filter is disabled.

CORE-17527
This commit is contained in:
Hervé Poussineau 2021-04-11 15:10:47 +02:00
parent f9df7af28a
commit e044df8736
1 changed files with 24 additions and 27 deletions
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51
dll/win32/setupapi/devclass.c
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@ -179,38 +179,35 @@ SETUP_CreateDevicesList(
}
/* Retrieve GUID of this device */
if (Class)
ClassGuidBufferSize = sizeof(ClassGuidBuffer);
cr = CM_Get_DevNode_Registry_Property_ExW(dnDevInst,
CM_DRP_CLASSGUID,
NULL,
ClassGuidBuffer,
&ClassGuidBufferSize,
0,
list->hMachine);
if (cr == CR_SUCCESS)
{
ClassGuidBufferSize = sizeof(ClassGuidBuffer);
cr = CM_Get_DevNode_Registry_Property_ExW(dnDevInst,
CM_DRP_CLASSGUID,
NULL,
ClassGuidBuffer,
&ClassGuidBufferSize,
0,
list->hMachine);
if (cr == CR_SUCCESS)
ClassGuidBuffer[MAX_GUID_STRING_LEN - 2] = '\0'; /* Replace the } by a NULL character */
if (UuidFromStringW(&ClassGuidBuffer[1], &ClassGuid) != RPC_S_OK)
{
ClassGuidBuffer[MAX_GUID_STRING_LEN - 2] = '\0'; /* Replace the } by a NULL character */
if (UuidFromStringW(&ClassGuidBuffer[1], &ClassGuid) != RPC_S_OK)
{
/* Bad GUID, skip the entry */
ERR("Invalid ClassGUID '%S' for device %S\n", ClassGuidBuffer, InstancePath);
continue;
}
}
else
{
TRACE("Using default class GUID_NULL for device %S\n", InstancePath);
memcpy(&ClassGuid, &GUID_NULL, sizeof(GUID));
}
if (!IsEqualIID(&ClassGuid, Class))
{
TRACE("Skipping %S due to wrong class GUID\n", InstancePath);
/* Bad GUID, skip the entry */
ERR("Invalid ClassGUID '%S' for device %S\n", ClassGuidBuffer, InstancePath);
continue;
}
}
else
{
TRACE("Using default class GUID_NULL for device %S\n", InstancePath);
memcpy(&ClassGuid, &GUID_NULL, sizeof(GUID));
}
if (Class && !IsEqualIID(&ClassGuid, Class))
{
TRACE("Skipping %S due to wrong class GUID\n", InstancePath);
continue;
}
/* Good! Create a device info element */
if (!CreateDeviceInfo(list, InstancePath, &ClassGuid, &deviceInfo))