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[UMPNPMGR] PNP_CreateDevInst: Support the creation of phantom devices

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This commit is contained in:
Eric Kohl 2022-04-18 19:53:18 +02:00
parent aa80cfb46e
commit 8897a890c9
1 changed files with 26 additions and 4 deletions
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30
base/services/umpnpmgr/rpcserver.c
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@ -2877,8 +2877,11 @@ done:
} }
static CONFIGRET static
CreateDeviceInstance(LPWSTR pszDeviceID) CONFIGRET
CreateDeviceInstance(
_In_ LPWSTR pszDeviceID,
_In_ BOOL bPhantomDevice)
{ {
WCHAR szEnumerator[MAX_DEVICE_ID_LEN]; WCHAR szEnumerator[MAX_DEVICE_ID_LEN];
WCHAR szDevice[MAX_DEVICE_ID_LEN]; WCHAR szDevice[MAX_DEVICE_ID_LEN];
@ -2962,6 +2965,17 @@ CreateDeviceInstance(LPWSTR pszDeviceID)
return CR_REGISTRY_ERROR; return CR_REGISTRY_ERROR;
} }
if (bPhantomDevice)
{
DWORD dwPhantomValue = 1;
RegSetValueExW(hKeyInstance,
L"Phantom",
0,
REG_DWORD,
(PBYTE)&dwPhantomValue,
sizeof(dwPhantomValue));
}
/* Create the 'Control' sub key */ /* Create the 'Control' sub key */
lError = RegCreateKeyExW(hKeyInstance, lError = RegCreateKeyExW(hKeyInstance,
L"Control", L"Control",
@ -3061,8 +3075,16 @@ PNP_CreateDevInst(
return ret; return ret;
} }
/* Create the device instance */ if (ulFlags & CM_CREATE_DEVNODE_PHANTOM)
ret = CreateDeviceInstance(pszDeviceID); {
/* Create the phantom device instance */
ret = CreateDeviceInstance(pszDeviceID, TRUE);
}
else
{
/* Create the device instance */
ret = CreateDeviceInstance(pszDeviceID, FALSE);
}
DPRINT("PNP_CreateDevInst() done (returns %lx)\n", ret); DPRINT("PNP_CreateDevInst() done (returns %lx)\n", ret);