diff --git a/setupapi/setupapi_windows.go b/setupapi/setupapi_windows.go index d87520b..0a833ed 100644 --- a/setupapi/setupapi_windows.go +++ b/setupapi/setupapi_windows.go @@ -6,6 +6,8 @@ package setupapi import ( + "encoding/binary" + "fmt" "syscall" "unsafe" @@ -144,6 +146,95 @@ func (DeviceInfoSet DevInfo) OpenDevRegKey(DeviceInfoData *SP_DEVINFO_DATA, Scop return SetupDiOpenDevRegKey(DeviceInfoSet, DeviceInfoData, Scope, HwProfile, KeyType, samDesired) } +//sys setupDiGetDeviceRegistryProperty(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, Property SPDRP, PropertyRegDataType *uint32, PropertyBuffer *byte, PropertyBufferSize uint32, RequiredSize *uint32) (err error) = setupapi.SetupDiGetDeviceRegistryPropertyW + +// SetupDiGetDeviceRegistryProperty function retrieves a specified Plug and Play device property. +func SetupDiGetDeviceRegistryProperty(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, Property SPDRP) (value interface{}, err error) { + buf := make([]byte, 0x100) + var dataType, bufLen uint32 + err = setupDiGetDeviceRegistryProperty(DeviceInfoSet, DeviceInfoData, Property, &dataType, &buf[0], uint32(cap(buf)), &bufLen) + if err == nil { + // The buffer was sufficiently big. + return getRegistryValue(buf[:bufLen], dataType) + } + + if errWin, ok := err.(syscall.Errno); ok && errWin == windows.ERROR_INSUFFICIENT_BUFFER { + // The buffer was too small. Now that we got the required size, create another one big enough and retry. + buf = make([]byte, bufLen) + err = setupDiGetDeviceRegistryProperty(DeviceInfoSet, DeviceInfoData, Property, &dataType, &buf[0], uint32(cap(buf)), &bufLen) + if err == nil { + return getRegistryValue(buf[:bufLen], dataType) + } + } + + return +} + +func getRegistryValue(buf []byte, dataType uint32) (interface{}, error) { + switch dataType { + case windows.REG_SZ: + return windows.UTF16ToString(toUTF16(buf)), nil + case windows.REG_EXPAND_SZ: + return registry.ExpandString(windows.UTF16ToString(toUTF16(buf))) + case windows.REG_BINARY: + return buf, nil + case windows.REG_DWORD_LITTLE_ENDIAN: + return binary.LittleEndian.Uint32(buf), nil + case windows.REG_DWORD_BIG_ENDIAN: + return binary.BigEndian.Uint32(buf), nil + case windows.REG_MULTI_SZ: + bufW := toUTF16(buf) + a := []string{} + for i := 0; i < len(bufW); { + j := i + wcslen(bufW[i:]) + if i < j { + a = append(a, windows.UTF16ToString(bufW[i:j])) + } + i = j + 1 + } + return a, nil + case windows.REG_QWORD_LITTLE_ENDIAN: + return binary.LittleEndian.Uint64(buf), nil + default: + return nil, fmt.Errorf("Unsupported registry value type: %v", dataType) + } +} + +func toUTF16(buf []byte) []uint16 { + sl := struct { + addr *uint16 + len int + cap int + }{(*uint16)(unsafe.Pointer(&buf[0])), len(buf) / 2, cap(buf) / 2} + return *(*[]uint16)(unsafe.Pointer(&sl)) +} + +func wcslen(str []uint16) int { + for i := 0; i < len(str); i++ { + if str[i] == 0 { + return i + } + } + return len(str) +} + +// GetDeviceRegistryProperty method retrieves a specified Plug and Play device property. +func (DeviceInfoSet DevInfo) GetDeviceRegistryProperty(DeviceInfoData *SP_DEVINFO_DATA, Property SPDRP) (value interface{}, err error) { + return SetupDiGetDeviceRegistryProperty(DeviceInfoSet, DeviceInfoData, Property) +} + +//sys setupDiSetDeviceRegistryProperty(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, Property SPDRP, PropertyBuffer *byte, PropertyBufferSize uint32) (err error) = setupapi.SetupDiSetDeviceRegistryPropertyW + +// SetupDiSetDeviceRegistryProperty function sets a Plug and Play device property for a device. +func SetupDiSetDeviceRegistryProperty(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, Property SPDRP, PropertyBuffer []byte) (err error) { + return setupDiSetDeviceRegistryProperty(DeviceInfoSet, DeviceInfoData, Property, &PropertyBuffer[0], uint32(len(PropertyBuffer))) +} + +// SetDeviceRegistryProperty function sets a Plug and Play device property for a device. +func (DeviceInfoSet DevInfo) SetDeviceRegistryProperty(DeviceInfoData *SP_DEVINFO_DATA, Property SPDRP, PropertyBuffer []byte) (err error) { + return SetupDiSetDeviceRegistryProperty(DeviceInfoSet, DeviceInfoData, Property, PropertyBuffer) +} + //sys setupDiGetDeviceInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, DeviceInstallParams *_SP_DEVINSTALL_PARAMS) (err error) = setupapi.SetupDiGetDeviceInstallParamsW // SetupDiGetDeviceInstallParams function retrieves device installation parameters for a device information set or a particular device information element. @@ -248,9 +339,9 @@ func SetupDiClassGuidsFromNameEx(ClassName string, MachineName string) (ClassGui return } - const bufLen = 4 - var buf [bufLen]windows.GUID - var bufCount uint32 + const bufCapacity = 4 + var buf [bufCapacity]windows.GUID + var bufLen uint32 var machineNameUTF16 *uint16 if MachineName != "" { @@ -260,18 +351,18 @@ func SetupDiClassGuidsFromNameEx(ClassName string, MachineName string) (ClassGui } } - err = setupDiClassGuidsFromNameEx(classNameUTF16, &buf[0], bufLen, &bufCount, machineNameUTF16, 0) + err = setupDiClassGuidsFromNameEx(classNameUTF16, &buf[0], bufCapacity, &bufLen, machineNameUTF16, 0) if err == nil { // The GUID array was sufficiently big. Return its slice. - return buf[:bufCount], nil + return buf[:bufLen], nil } if errWin, ok := err.(syscall.Errno); ok && errWin == windows.ERROR_INSUFFICIENT_BUFFER { // The GUID array was too small. Now that we got the required size, create another one big enough and retry. - buf := make([]windows.GUID, bufCount) - err = setupDiClassGuidsFromNameEx(classNameUTF16, &buf[0], bufCount, &bufCount, machineNameUTF16, 0) + buf := make([]windows.GUID, bufLen) + err = setupDiClassGuidsFromNameEx(classNameUTF16, &buf[0], bufLen, &bufLen, machineNameUTF16, 0) if err == nil { - return buf[:bufCount], nil + return buf[:bufLen], nil } } diff --git a/setupapi/setupapi_windows_test.go b/setupapi/setupapi_windows_test.go index 81a0a09..93ae42a 100644 --- a/setupapi/setupapi_windows_test.go +++ b/setupapi/setupapi_windows_test.go @@ -179,6 +179,56 @@ func TestSetupDiOpenDevRegKey(t *testing.T) { } } +func TestSetupDiGetDeviceRegistryProperty(t *testing.T) { + devInfoList, err := SetupDiGetClassDevsEx(&deviceClassNetGUID, "", 0, DIGCF_PRESENT, DevInfo(0), "") + if err != nil { + t.Errorf("Error calling SetupDiGetClassDevsEx: %s", err.Error()) + } + defer devInfoList.Close() + + for i := 0; true; i++ { + data, err := devInfoList.EnumDeviceInfo(i) + if err != nil { + if errWin, ok := err.(syscall.Errno); ok && errWin == 259 /*ERROR_NO_MORE_ITEMS*/ { + break + } + continue + } + + val, err := devInfoList.GetDeviceRegistryProperty(data, SPDRP_CLASS) + if err != nil { + t.Errorf("Error calling SetupDiGetDeviceRegistryProperty(SPDRP_CLASS): %s", err.Error()) + } else if class, ok := val.(string); !ok || strings.ToLower(class) != "net" { + t.Errorf("SetupDiGetDeviceRegistryProperty(SPDRP_CLASS) should return \"Net\"") + } + + val, err = devInfoList.GetDeviceRegistryProperty(data, SPDRP_CLASSGUID) + if err != nil { + t.Errorf("Error calling SetupDiGetDeviceRegistryProperty(SPDRP_CLASSGUID): %s", err.Error()) + } /* TODO: Parse GUID string: else if classGUID, ok := val.(string); !ok || parseGUID(classGUID) != deviceClassNetGUID { + t.Errorf("SetupDiGetDeviceRegistryProperty(SPDRP_CLASSGUID) should return %x", deviceClassNetGUID) + }*/ + + val, err = devInfoList.GetDeviceRegistryProperty(data, SPDRP_COMPATIBLEIDS) + if err != nil { + // Some devices have no SPDRP_COMPATIBLEIDS. + if errWin, ok := err.(syscall.Errno); !ok || errWin != 13 /*windows.ERROR_INVALID_DATA*/ { + t.Errorf("Error calling SetupDiGetDeviceRegistryProperty(SPDRP_COMPATIBLEIDS): %s", err.Error()) + } + } + + val, err = devInfoList.GetDeviceRegistryProperty(data, SPDRP_CONFIGFLAGS) + if err != nil { + t.Errorf("Error calling SetupDiGetDeviceRegistryProperty(SPDRP_CONFIGFLAGS): %s", err.Error()) + } + + val, err = devInfoList.GetDeviceRegistryProperty(data, SPDRP_DEVICE_POWER_DATA) + if err != nil { + t.Errorf("Error calling SetupDiGetDeviceRegistryProperty(SPDRP_DEVICE_POWER_DATA): %s", err.Error()) + } + } +} + func TestSetupDiGetDeviceInstallParams(t *testing.T) { devInfoList, err := SetupDiGetClassDevsEx(&deviceClassNetGUID, "", 0, DIGCF_PRESENT, DevInfo(0), "") if err != nil { diff --git a/setupapi/types_windows.go b/setupapi/types_windows.go index 83a4753..c93d3aa 100644 --- a/setupapi/types_windows.go +++ b/setupapi/types_windows.go @@ -269,3 +269,54 @@ const ( DIREG_DRV DIREG = 0x00000002 // Open/Create/Delete driver key DIREG_BOTH DIREG = 0x00000004 // Delete both driver and Device key ) + +// +// SPDRP specifies device registry property codes +// (Codes marked as read-only (R) may only be used for +// SetupDiGetDeviceRegistryProperty) +// +// These values should cover the same set of registry properties +// as defined by the CM_DRP codes in cfgmgr32.h. +// +// Note that SPDRP codes are zero based while CM_DRP codes are one based! +// +type SPDRP uint32 + +const ( + SPDRP_DEVICEDESC SPDRP = 0x00000000 // DeviceDesc (R/W) + SPDRP_HARDWAREID SPDRP = 0x00000001 // HardwareID (R/W) + SPDRP_COMPATIBLEIDS SPDRP = 0x00000002 // CompatibleIDs (R/W) + SPDRP_SERVICE SPDRP = 0x00000004 // Service (R/W) + SPDRP_CLASS SPDRP = 0x00000007 // Class (R--tied to ClassGUID) + SPDRP_CLASSGUID SPDRP = 0x00000008 // ClassGUID (R/W) + SPDRP_DRIVER SPDRP = 0x00000009 // Driver (R/W) + SPDRP_CONFIGFLAGS SPDRP = 0x0000000A // ConfigFlags (R/W) + SPDRP_MFG SPDRP = 0x0000000B // Mfg (R/W) + SPDRP_FRIENDLYNAME SPDRP = 0x0000000C // FriendlyName (R/W) + SPDRP_LOCATION_INFORMATION SPDRP = 0x0000000D // LocationInformation (R/W) + SPDRP_PHYSICAL_DEVICE_OBJECT_NAME SPDRP = 0x0000000E // PhysicalDeviceObjectName (R) + SPDRP_CAPABILITIES SPDRP = 0x0000000F // Capabilities (R) + SPDRP_UI_NUMBER SPDRP = 0x00000010 // UiNumber (R) + SPDRP_UPPERFILTERS SPDRP = 0x00000011 // UpperFilters (R/W) + SPDRP_LOWERFILTERS SPDRP = 0x00000012 // LowerFilters (R/W) + SPDRP_BUSTYPEGUID SPDRP = 0x00000013 // BusTypeGUID (R) + SPDRP_LEGACYBUSTYPE SPDRP = 0x00000014 // LegacyBusType (R) + SPDRP_BUSNUMBER SPDRP = 0x00000015 // BusNumber (R) + SPDRP_ENUMERATOR_NAME SPDRP = 0x00000016 // Enumerator Name (R) + SPDRP_SECURITY SPDRP = 0x00000017 // Security (R/W, binary form) + SPDRP_SECURITY_SDS SPDRP = 0x00000018 // Security (W, SDS form) + SPDRP_DEVTYPE SPDRP = 0x00000019 // Device Type (R/W) + SPDRP_EXCLUSIVE SPDRP = 0x0000001A // Device is exclusive-access (R/W) + SPDRP_CHARACTERISTICS SPDRP = 0x0000001B // Device Characteristics (R/W) + SPDRP_ADDRESS SPDRP = 0x0000001C // Device Address (R) + SPDRP_UI_NUMBER_DESC_FORMAT SPDRP = 0x0000001D // UiNumberDescFormat (R/W) + SPDRP_DEVICE_POWER_DATA SPDRP = 0x0000001E // Device Power Data (R) + SPDRP_REMOVAL_POLICY SPDRP = 0x0000001F // Removal Policy (R) + SPDRP_REMOVAL_POLICY_HW_DEFAULT SPDRP = 0x00000020 // Hardware Removal Policy (R) + SPDRP_REMOVAL_POLICY_OVERRIDE SPDRP = 0x00000021 // Removal Policy Override (RW) + SPDRP_INSTALL_STATE SPDRP = 0x00000022 // Device Install State (R) + SPDRP_LOCATION_PATHS SPDRP = 0x00000023 // Device Location Paths (R) + SPDRP_BASE_CONTAINERID SPDRP = 0x00000024 // Base ContainerID (R) + + SPDRP_MAXIMUM_PROPERTY SPDRP = 0x00000025 // Upper bound on ordinals +) diff --git a/setupapi/zsetupapi_windows.go b/setupapi/zsetupapi_windows.go index 3a0b441..c9aa72a 100644 --- a/setupapi/zsetupapi_windows.go +++ b/setupapi/zsetupapi_windows.go @@ -39,22 +39,24 @@ func errnoErr(e syscall.Errno) error { var ( modsetupapi = windows.NewLazySystemDLL("setupapi.dll") - procSetupDiCreateDeviceInfoListExW = modsetupapi.NewProc("SetupDiCreateDeviceInfoListExW") - procSetupDiGetDeviceInfoListDetailW = modsetupapi.NewProc("SetupDiGetDeviceInfoListDetailW") - procSetupDiCreateDeviceInfoW = modsetupapi.NewProc("SetupDiCreateDeviceInfoW") - procSetupDiEnumDeviceInfo = modsetupapi.NewProc("SetupDiEnumDeviceInfo") - procSetupDiDestroyDeviceInfoList = modsetupapi.NewProc("SetupDiDestroyDeviceInfoList") - procSetupDiGetClassDevsExW = modsetupapi.NewProc("SetupDiGetClassDevsExW") - procSetupDiCallClassInstaller = modsetupapi.NewProc("SetupDiCallClassInstaller") - procSetupDiOpenDevRegKey = modsetupapi.NewProc("SetupDiOpenDevRegKey") - procSetupDiGetDeviceInstallParamsW = modsetupapi.NewProc("SetupDiGetDeviceInstallParamsW") - procSetupDiGetClassInstallParamsW = modsetupapi.NewProc("SetupDiGetClassInstallParamsW") - procSetupDiSetDeviceInstallParamsW = modsetupapi.NewProc("SetupDiSetDeviceInstallParamsW") - procSetupDiSetClassInstallParamsW = modsetupapi.NewProc("SetupDiSetClassInstallParamsW") - procSetupDiClassNameFromGuidExW = modsetupapi.NewProc("SetupDiClassNameFromGuidExW") - procSetupDiClassGuidsFromNameExW = modsetupapi.NewProc("SetupDiClassGuidsFromNameExW") - procSetupDiGetSelectedDevice = modsetupapi.NewProc("SetupDiGetSelectedDevice") - procSetupDiSetSelectedDevice = modsetupapi.NewProc("SetupDiSetSelectedDevice") + procSetupDiCreateDeviceInfoListExW = modsetupapi.NewProc("SetupDiCreateDeviceInfoListExW") + procSetupDiGetDeviceInfoListDetailW = modsetupapi.NewProc("SetupDiGetDeviceInfoListDetailW") + procSetupDiCreateDeviceInfoW = modsetupapi.NewProc("SetupDiCreateDeviceInfoW") + procSetupDiEnumDeviceInfo = modsetupapi.NewProc("SetupDiEnumDeviceInfo") + procSetupDiDestroyDeviceInfoList = modsetupapi.NewProc("SetupDiDestroyDeviceInfoList") + procSetupDiGetClassDevsExW = modsetupapi.NewProc("SetupDiGetClassDevsExW") + procSetupDiCallClassInstaller = modsetupapi.NewProc("SetupDiCallClassInstaller") + procSetupDiOpenDevRegKey = modsetupapi.NewProc("SetupDiOpenDevRegKey") + procSetupDiGetDeviceRegistryPropertyW = modsetupapi.NewProc("SetupDiGetDeviceRegistryPropertyW") + procSetupDiSetDeviceRegistryPropertyW = modsetupapi.NewProc("SetupDiSetDeviceRegistryPropertyW") + procSetupDiGetDeviceInstallParamsW = modsetupapi.NewProc("SetupDiGetDeviceInstallParamsW") + procSetupDiGetClassInstallParamsW = modsetupapi.NewProc("SetupDiGetClassInstallParamsW") + procSetupDiSetDeviceInstallParamsW = modsetupapi.NewProc("SetupDiSetDeviceInstallParamsW") + procSetupDiSetClassInstallParamsW = modsetupapi.NewProc("SetupDiSetClassInstallParamsW") + procSetupDiClassNameFromGuidExW = modsetupapi.NewProc("SetupDiClassNameFromGuidExW") + procSetupDiClassGuidsFromNameExW = modsetupapi.NewProc("SetupDiClassGuidsFromNameExW") + procSetupDiGetSelectedDevice = modsetupapi.NewProc("SetupDiGetSelectedDevice") + procSetupDiSetSelectedDevice = modsetupapi.NewProc("SetupDiSetSelectedDevice") ) func setupDiCreateDeviceInfoListEx(ClassGUID *windows.GUID, hwndParent uintptr, MachineName *uint16, Reserved uintptr) (handle DevInfo, err error) { @@ -156,6 +158,30 @@ func setupDiOpenDevRegKey(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA return } +func setupDiGetDeviceRegistryProperty(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, Property SPDRP, PropertyRegDataType *uint32, PropertyBuffer *byte, PropertyBufferSize uint32, RequiredSize *uint32) (err error) { + r1, _, e1 := syscall.Syscall9(procSetupDiGetDeviceRegistryPropertyW.Addr(), 7, uintptr(DeviceInfoSet), uintptr(unsafe.Pointer(DeviceInfoData)), uintptr(Property), uintptr(unsafe.Pointer(PropertyRegDataType)), uintptr(unsafe.Pointer(PropertyBuffer)), uintptr(PropertyBufferSize), uintptr(unsafe.Pointer(RequiredSize)), 0, 0) + if r1 == 0 { + if e1 != 0 { + err = errnoErr(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func setupDiSetDeviceRegistryProperty(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, Property SPDRP, PropertyBuffer *byte, PropertyBufferSize uint32) (err error) { + r1, _, e1 := syscall.Syscall6(procSetupDiSetDeviceRegistryPropertyW.Addr(), 5, uintptr(DeviceInfoSet), uintptr(unsafe.Pointer(DeviceInfoData)), uintptr(Property), uintptr(unsafe.Pointer(PropertyBuffer)), uintptr(PropertyBufferSize), 0) + if r1 == 0 { + if e1 != 0 { + err = errnoErr(e1) + } else { + err = syscall.EINVAL + } + } + return +} + func setupDiGetDeviceInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, DeviceInstallParams *_SP_DEVINSTALL_PARAMS) (err error) { r1, _, e1 := syscall.Syscall(procSetupDiGetDeviceInstallParamsW.Addr(), 3, uintptr(DeviceInfoSet), uintptr(unsafe.Pointer(DeviceInfoData)), uintptr(unsafe.Pointer(DeviceInstallParams))) if r1 == 0 {