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-rw-r--r--setupapi/setupapi_windows.go107
-rw-r--r--setupapi/setupapi_windows_test.go50
-rw-r--r--setupapi/types_windows.go51
-rw-r--r--setupapi/zsetupapi_windows.go58
4 files changed, 242 insertions, 24 deletions
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 {