static PWSTR
pCDevSettings_GetDeviceInstanceId(const WCHAR *pszDevice)
{
DEVINST DevInst;
CONFIGRET cr;
ULONG BufLen;
LPWSTR lpDevInstId = NULL;
DPRINT1("CDevSettings::GetDeviceInstanceId(%ws) UNIMPLEMENTED!\n", pszDevice);
cr = CM_Locate_DevNodeW(&DevInst,
(DEVINSTID_W)pszDevice,
CM_LOCATE_DEVNODE_NORMAL);
if (cr == CR_SUCCESS)
{
DPRINT1("Success1\n");
cr = CM_Get_Device_ID_Size(&BufLen,
DevInst,
0);
if (cr == CR_SUCCESS)
{
DPRINT1("Success2\n");
lpDevInstId = LocalAlloc(LMEM_FIXED,
(BufLen + 1) * sizeof(WCHAR));
if (lpDevInstId != NULL)
{
DPRINT1("Success3\n");
cr = CM_Get_Device_IDW(DevInst,
lpDevInstId,
BufLen,
0);
if (cr != CR_SUCCESS)
{
LocalFree((HLOCAL)lpDevInstId);
lpDevInstId = NULL;
}
DPRINT1("instance id: %ws\n", lpDevInstId);
}
}
}
return lpDevInstId;
}
int removeNetworkInterface(MSIHANDLE hModule, const WCHAR *pwszGUID)
{
int rc = 1;
do
{
WCHAR wszPnPInstanceId[512] = {0};
/* We have to find the device instance ID through a registry search */
HKEY hkeyNetwork = 0;
HKEY hkeyConnection = 0;
do /* break-loop */
{
WCHAR wszRegLocation[256];
swprintf(wszRegLocation,
L"SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}\\%s",
pwszGUID);
LONG lStatus = RegOpenKeyExW(HKEY_LOCAL_MACHINE, wszRegLocation, 0, KEY_READ, &hkeyNetwork);
if ((lStatus != ERROR_SUCCESS) || !hkeyNetwork)
SetErrBreak((L"VBox HostInterfaces: Host interface network was not found in registry (%s)! [1]", wszRegLocation));
lStatus = RegOpenKeyExW(hkeyNetwork, L"Connection", 0, KEY_READ, &hkeyConnection);
if ((lStatus != ERROR_SUCCESS) || !hkeyConnection)
SetErrBreak((L"VBox HostInterfaces: Host interface network was not found in registry (%s)! [2]", wszRegLocation));
DWORD len = sizeof(wszPnPInstanceId);
DWORD dwKeyType;
lStatus = RegQueryValueExW(hkeyConnection, L"PnPInstanceID", NULL,
&dwKeyType, (LPBYTE)&wszPnPInstanceId[0], &len);
if ((lStatus != ERROR_SUCCESS) || (dwKeyType != REG_SZ))
SetErrBreak((L"VBox HostInterfaces: Host interface network was not found in registry (%s)! [3]", wszRegLocation));
}
while (0);
if (hkeyConnection)
RegCloseKey(hkeyConnection);
if (hkeyNetwork)
RegCloseKey(hkeyNetwork);
/*
* Now we are going to enumerate all network devices and
* wait until we encounter the right device instance ID
*/
HDEVINFO hDeviceInfo = INVALID_HANDLE_VALUE;
BOOL fResult;
do
{
DWORD ret = 0;
GUID netGuid;
SP_DEVINFO_DATA DeviceInfoData;
DWORD index = 0;
DWORD size = 0;
/* initialize the structure size */
DeviceInfoData.cbSize = sizeof(SP_DEVINFO_DATA);
/* copy the net class GUID */
memcpy(&netGuid, &GUID_DEVCLASS_NET, sizeof (GUID_DEVCLASS_NET));
/* return a device info set contains all installed devices of the Net class */
hDeviceInfo = SetupDiGetClassDevs(&netGuid, NULL, NULL, DIGCF_PRESENT);
if (hDeviceInfo == INVALID_HANDLE_VALUE)
{
logStringW(hModule, L"VBox HostInterfaces: SetupDiGetClassDevs failed (0x%08X)!", GetLastError());
SetErrBreak(L"VBox HostInterfaces: Uninstallation failed!");
}
BOOL fFoundDevice = FALSE;
/* enumerate the driver info list */
while (TRUE)
{
WCHAR *pwszDeviceHwid;
fResult = SetupDiEnumDeviceInfo(hDeviceInfo, index, &DeviceInfoData);
if (!fResult)
{
if (GetLastError() == ERROR_NO_MORE_ITEMS)
break;
else
{
index++;
continue;
}
}
/* try to get the hardware ID registry property */
fResult = SetupDiGetDeviceRegistryProperty(hDeviceInfo,
&DeviceInfoData,
SPDRP_HARDWAREID,
NULL,
NULL,
0,
&size);
if (!fResult)
{
if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
{
index++;
continue;
}
pwszDeviceHwid = (WCHAR *)malloc(size);
if (pwszDeviceHwid)
{
fResult = SetupDiGetDeviceRegistryProperty(hDeviceInfo,
&DeviceInfoData,
SPDRP_HARDWAREID,
NULL,
(PBYTE)pwszDeviceHwid,
size,
NULL);
if (!fResult)
{
free(pwszDeviceHwid);
pwszDeviceHwid = NULL;
index++;
continue;
}
}
}
else
{
/* something is wrong. This shouldn't have worked with a NULL buffer */
index++;
continue;
}
for (WCHAR *t = pwszDeviceHwid;
t && *t && t < &pwszDeviceHwid[size / sizeof(WCHAR)];
t += wcslen(t) + 1)
{
if (!_wcsicmp(L"vboxtap", t))
{
/* get the device instance ID */
WCHAR wszDevID[MAX_DEVICE_ID_LEN];
if (CM_Get_Device_IDW(DeviceInfoData.DevInst,
wszDevID, MAX_DEVICE_ID_LEN, 0) == CR_SUCCESS)
{
/* compare to what we determined before */
if (!wcscmp(wszDevID, wszPnPInstanceId))
{
fFoundDevice = TRUE;
break;
}
}
}
}
if (pwszDeviceHwid)
{
free(pwszDeviceHwid);
pwszDeviceHwid = NULL;
}
if (fFoundDevice)
break;
index++;
}
if (fFoundDevice)
{
fResult = SetupDiSetSelectedDevice(hDeviceInfo, &DeviceInfoData);
if (!fResult)
{
logStringW(hModule, L"VBox HostInterfaces: SetupDiSetSelectedDevice failed (0x%08X)!", GetLastError());
SetErrBreak(L"VBox HostInterfaces: Uninstallation failed!");
}
fResult = SetupDiCallClassInstaller(DIF_REMOVE, hDeviceInfo, &DeviceInfoData);
if (!fResult)
{
logStringW(hModule, L"VBox HostInterfaces: SetupDiCallClassInstaller (DIF_REMOVE) failed (0x%08X)!", GetLastError());
SetErrBreak(L"VBox HostInterfaces: Uninstallation failed!");
}
}
else
SetErrBreak(L"VBox HostInterfaces: Host interface network device not found!");
}
while (0);
/* clean up the device info set */
if (hDeviceInfo != INVALID_HANDLE_VALUE)
SetupDiDestroyDeviceInfoList(hDeviceInfo);
}
while (0);
return rc;
}
