diff options
Diffstat (limited to 'setupapihost/host_win7.h')
-rw-r--r-- | setupapihost/host_win7.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/setupapihost/host_win7.h b/setupapihost/host_win7.h new file mode 100644 index 0000000..4e65bff --- /dev/null +++ b/setupapihost/host_win7.h @@ -0,0 +1,102 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * Copyright (C) 2018-2021 WireGuard LLC. All Rights Reserved. + */ + +#include <devguid.h> + +#define MAX_INSTANCE_ID MAX_PATH /* TODO: Is MAX_PATH always enough? */ +#define WINTUN_HWID L"Wintun" + +VOID __stdcall CreateInstanceWin7(HWND hwnd, HINSTANCE hinst, LPSTR lpszCmdLine, int nCmdShow) +{ +#pragma EXPORT + + DWORD LastError = ERROR_SUCCESS; + WCHAR InstanceId[MAX_INSTANCE_ID] = { 0 }; + + HDEVINFO DevInfo = SetupDiCreateDeviceInfoListExW(&GUID_DEVCLASS_NET, NULL, NULL, NULL); + if (DevInfo == INVALID_HANDLE_VALUE) + { + LastError = GetLastError(); + goto cleanup; + } + SP_DEVINFO_DATA DevInfoData = { .cbSize = sizeof(DevInfoData) }; + if (!SetupDiCreateDeviceInfoW( + DevInfo, WINTUN_HWID, &GUID_DEVCLASS_NET, NULL, NULL, DICD_GENERATE_ID, &DevInfoData)) + { + LastError = GetLastError(); + goto cleanupDevInfo; + } + SP_DEVINSTALL_PARAMS_W DevInstallParams = { .cbSize = sizeof(DevInstallParams) }; + if (!SetupDiGetDeviceInstallParamsW(DevInfo, &DevInfoData, &DevInstallParams)) + { + LastError = GetLastError(); + goto cleanupDevInfo; + } + DevInstallParams.Flags |= DI_QUIETINSTALL; + if (!SetupDiSetDeviceInstallParamsW(DevInfo, &DevInfoData, &DevInstallParams)) + { + LastError = GetLastError(); + goto cleanupDevInfo; + } + if (!SetupDiSetSelectedDevice(DevInfo, &DevInfoData)) + { + LastError = GetLastError(); + goto cleanupDevInfo; + } + static const WCHAR Hwids[_countof(WINTUN_HWID) + 1 /*Multi-string terminator*/] = WINTUN_HWID; + if (!SetupDiSetDeviceRegistryPropertyW(DevInfo, &DevInfoData, SPDRP_HARDWAREID, (const BYTE *)Hwids, sizeof(Hwids))) + { + LastError = GetLastError(); + goto cleanupDevInfo; + } + if (!SetupDiBuildDriverInfoList(DevInfo, &DevInfoData, SPDIT_COMPATDRIVER)) + { + LastError = GetLastError(); + goto cleanupDevInfo; + } + SP_DRVINFO_DATA_W DrvInfoData = { .cbSize = sizeof(SP_DRVINFO_DATA_W) }; + if (!SetupDiEnumDriverInfoW(DevInfo, &DevInfoData, SPDIT_COMPATDRIVER, 0, &DrvInfoData) || + !SetupDiSetSelectedDriverW(DevInfo, &DevInfoData, &DrvInfoData)) + { + LastError = GetLastError(); + goto cleanupDriverInfo; + } + + if (!SetupDiCallClassInstaller(DIF_REGISTERDEVICE, DevInfo, &DevInfoData)) + { + LastError = GetLastError(); + goto cleanupDevInfo; + } + SetupDiCallClassInstaller(DIF_REGISTER_COINSTALLERS, DevInfo, &DevInfoData); + SetupDiCallClassInstaller(DIF_INSTALLINTERFACES, DevInfo, &DevInfoData); + if (!SetupDiCallClassInstaller(DIF_INSTALLDEVICE, DevInfo, &DevInfoData)) + { + LastError = GetLastError(); + goto cleanupDevice; + } + DWORD RequiredChars = _countof(InstanceId); + if (!SetupDiGetDeviceInstanceIdW(DevInfo, &DevInfoData, InstanceId, RequiredChars, &RequiredChars)) + { + LastError = GetLastError(); + goto cleanupDevice; + } + +cleanupDevice: + if (LastError != ERROR_SUCCESS) + { + SP_REMOVEDEVICE_PARAMS RemoveDeviceParams = { .ClassInstallHeader = { .cbSize = sizeof(SP_CLASSINSTALL_HEADER), + .InstallFunction = DIF_REMOVE }, + .Scope = DI_REMOVEDEVICE_GLOBAL }; + if (SetupDiSetClassInstallParamsW( + DevInfo, &DevInfoData, &RemoveDeviceParams.ClassInstallHeader, sizeof(RemoveDeviceParams))) + SetupDiCallClassInstaller(DIF_REMOVE, DevInfo, &DevInfoData); + } +cleanupDriverInfo: + SetupDiDestroyDriverInfoList(DevInfo, &DevInfoData, SPDIT_COMPATDRIVER); +cleanupDevInfo: + SetupDiDestroyDeviceInfoList(DevInfo); +cleanup: + WriteFormatted(STD_OUTPUT_HANDLE, L"%1!X! %2!s!", LastError, LastError == ERROR_SUCCESS ? InstanceId : L"\"\""); +} |