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setupapi: Introduce DevInfo methods for cleaner code

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Signed-off-by: Simon Rozman <simon@rozman.si>
This commit is contained in:
Simon Rozman 2019-02-05 08:45:44 +01:00 committed by Jason A. Donenfeld
parent 35f72239ac
commit e7ffce0d21
3 changed files with 74 additions and 19 deletions
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62
setupapi/setupapi_windows.go
View file

@ -16,7 +16,7 @@ import (
//sys setupDiCreateDeviceInfoListEx(ClassGUID *windows.GUID, hwndParent uintptr, MachineName *uint16, Reserved uintptr) (handle DevInfo, err error) [failretval==DevInfo(windows.InvalidHandle)] = setupapi.SetupDiCreateDeviceInfoListExW
// SetupDiCreateDeviceInfoListEx function creates an empty device information set on a remote or a local computer and optionally associates the set with a device setup class.
func SetupDiCreateDeviceInfoListEx(ClassGUID *windows.GUID, hwndParent uintptr, MachineName string) (handle DevInfo, err error) {
func SetupDiCreateDeviceInfoListEx(ClassGUID *windows.GUID, hwndParent uintptr, MachineName string) (DeviceInfoSet DevInfo, err error) {
var machineNameUTF16 *uint16
if MachineName != "" {
machineNameUTF16, err = syscall.UTF16PtrFromString(MachineName)
@ -46,6 +46,11 @@ func SetupDiGetDeviceInfoListDetail(DeviceInfoSet DevInfo) (DeviceInfoSetDetailD
}, nil
}
// GetDeviceInfoListDetail method retrieves information associated with a device information set including the class GUID, remote computer handle, and remote computer name.
func (DeviceInfoSet DevInfo) GetDeviceInfoListDetail() (DeviceInfoSetDetailData *DevInfoListDetailData, err error) {
return SetupDiGetDeviceInfoListDetail(DeviceInfoSet)
}
//sys setupDiCreateDeviceInfo(DeviceInfoSet DevInfo, DeviceName *uint16, ClassGUID *windows.GUID, DeviceDescription *uint16, hwndParent uintptr, CreationFlags DICD, DeviceInfoData *SP_DEVINFO_DATA) (err error) = setupapi.SetupDiCreateDeviceInfoW
// SetupDiCreateDeviceInfo function creates a new device information element and adds it as a new member to the specified device information set.
@ -69,6 +74,11 @@ func SetupDiCreateDeviceInfo(DeviceInfoSet DevInfo, DeviceName string, ClassGUID
return &data, setupDiCreateDeviceInfo(DeviceInfoSet, deviceNameUTF16, ClassGUID, deviceDescriptionUTF16, hwndParent, CreationFlags, &data)
}
// CreateDeviceInfo method creates a new device information element and adds it as a new member to the specified device information set.
func (DeviceInfoSet DevInfo) CreateDeviceInfo(DeviceName string, ClassGUID *windows.GUID, DeviceDescription string, hwndParent uintptr, CreationFlags DICD) (DeviceInfoData *SP_DEVINFO_DATA, err error) {
return SetupDiCreateDeviceInfo(DeviceInfoSet, DeviceName, ClassGUID, DeviceDescription, hwndParent, CreationFlags)
}
//sys setupDiEnumDeviceInfo(DeviceInfoSet DevInfo, MemberIndex uint32, DeviceInfoData *SP_DEVINFO_DATA) (err error) = setupapi.SetupDiEnumDeviceInfo
// SetupDiEnumDeviceInfo function returns a SP_DEVINFO_DATA structure that specifies a device information element in a device information set.
@ -79,9 +89,19 @@ func SetupDiEnumDeviceInfo(DeviceInfoSet DevInfo, MemberIndex int) (DeviceInfoDa
return &data, setupDiEnumDeviceInfo(DeviceInfoSet, uint32(MemberIndex), &data)
}
// EnumDeviceInfo method returns a SP_DEVINFO_DATA structure that specifies a device information element in a device information set.
func (DeviceInfoSet DevInfo) EnumDeviceInfo(MemberIndex int) (DeviceInfoData *SP_DEVINFO_DATA, err error) {
return SetupDiEnumDeviceInfo(DeviceInfoSet, MemberIndex)
}
// SetupDiDestroyDeviceInfoList function deletes a device information set and frees all associated memory.
//sys SetupDiDestroyDeviceInfoList(DeviceInfoSet DevInfo) (err error) = setupapi.SetupDiDestroyDeviceInfoList
// Close method deletes a device information set and frees all associated memory.
func (DeviceInfoSet DevInfo) Close() error {
return SetupDiDestroyDeviceInfoList(DeviceInfoSet)
}
//sys setupDiGetClassDevsEx(ClassGUID *windows.GUID, Enumerator *uint16, hwndParent uintptr, Flags DIGCF, DeviceInfoSet DevInfo, MachineName *uint16, reserved uintptr) (handle DevInfo, err error) [failretval==DevInfo(windows.InvalidHandle)] = setupapi.SetupDiGetClassDevsExW
// SetupDiGetClassDevsEx function returns a handle to a device information set that contains requested device information elements for a local or a remote computer.
@ -106,6 +126,11 @@ func SetupDiGetClassDevsEx(ClassGUID *windows.GUID, Enumerator string, hwndParen
// SetupDiCallClassInstaller function calls the appropriate class installer, and any registered co-installers, with the specified installation request (DIF code).
//sys SetupDiCallClassInstaller(InstallFunction DI_FUNCTION, DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA) (err error) = setupapi.SetupDiCallClassInstaller
// CallClassInstaller member calls the appropriate class installer, and any registered co-installers, with the specified installation request (DIF code).
func (DeviceInfoSet DevInfo) CallClassInstaller(InstallFunction DI_FUNCTION, DeviceInfoData *SP_DEVINFO_DATA) (err error) {
return SetupDiCallClassInstaller(InstallFunction, DeviceInfoSet, DeviceInfoData)
}
//sys setupDiOpenDevRegKey(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, Scope DICS_FLAG, HwProfile uint32, KeyType DIREG, samDesired uint32) (key windows.Handle, err error) [failretval==windows.InvalidHandle] = setupapi.SetupDiOpenDevRegKey
// SetupDiOpenDevRegKey function opens a registry key for device-specific configuration information.
@ -114,6 +139,11 @@ func SetupDiOpenDevRegKey(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA
return registry.Key(handle), err
}
// OpenDevRegKey method opens a registry key for device-specific configuration information.
func (DeviceInfoSet DevInfo) OpenDevRegKey(DeviceInfoData *SP_DEVINFO_DATA, Scope DICS_FLAG, HwProfile uint32, KeyType DIREG, samDesired uint32) (key registry.Key, err error) {
return SetupDiOpenDevRegKey(DeviceInfoSet, DeviceInfoData, Scope, HwProfile, KeyType, samDesired)
}
//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.
@ -137,9 +167,19 @@ func SetupDiGetDeviceInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEV
}, nil
}
// GetDeviceInstallParams method retrieves device installation parameters for a device information set or a particular device information element.
func (DeviceInfoSet DevInfo) GetDeviceInstallParams(DeviceInfoData *SP_DEVINFO_DATA) (DeviceInstallParams *DevInstallParams, err error) {
return SetupDiGetDeviceInstallParams(DeviceInfoSet, DeviceInfoData)
}
// SetupDiGetClassInstallParams function retrieves class installation parameters for a device information set or a particular device information element.
//sys SetupDiGetClassInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, ClassInstallParams *SP_CLASSINSTALL_HEADER, ClassInstallParamsSize uint32, RequiredSize *uint32) (err error) = setupapi.SetupDiGetClassInstallParamsW
// GetClassInstallParams method retrieves class installation parameters for a device information set or a particular device information element.
func (DeviceInfoSet DevInfo) GetClassInstallParams(DeviceInfoData *SP_DEVINFO_DATA, ClassInstallParams *SP_CLASSINSTALL_HEADER, ClassInstallParamsSize uint32, RequiredSize *uint32) (err error) {
return SetupDiGetClassInstallParams(DeviceInfoSet, DeviceInfoData, ClassInstallParams, ClassInstallParamsSize, RequiredSize)
}
//sys setupDiSetDeviceInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, DeviceInstallParams *_SP_DEVINSTALL_PARAMS) (err error) = setupapi.SetupDiSetDeviceInstallParamsW
// SetupDiSetDeviceInstallParams function sets device installation parameters for a device information set or a particular device information element.
@ -163,9 +203,19 @@ func SetupDiSetDeviceInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEV
return setupDiSetDeviceInstallParams(DeviceInfoSet, DeviceInfoData, &_data)
}
// SetDeviceInstallParams member sets device installation parameters for a device information set or a particular device information element.
func (DeviceInfoSet DevInfo) SetDeviceInstallParams(DeviceInfoData *SP_DEVINFO_DATA, DeviceInstallParams *DevInstallParams) (err error) {
return SetupDiSetDeviceInstallParams(DeviceInfoSet, DeviceInfoData, DeviceInstallParams)
}
// SetupDiSetClassInstallParams function sets or clears class install parameters for a device information set or a particular device information element.
//sys SetupDiSetClassInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, ClassInstallParams *SP_CLASSINSTALL_HEADER, ClassInstallParamsSize uint32) (err error) = setupapi.SetupDiSetClassInstallParamsW
// SetClassInstallParams method sets or clears class install parameters for a device information set or a particular device information element.
func (DeviceInfoSet DevInfo) SetClassInstallParams(DeviceInfoData *SP_DEVINFO_DATA, ClassInstallParams *SP_CLASSINSTALL_HEADER, ClassInstallParamsSize uint32) (err error) {
return SetupDiSetClassInstallParams(DeviceInfoSet, DeviceInfoData, ClassInstallParams, ClassInstallParamsSize)
}
//sys setupDiClassNameFromGuidEx(ClassGUID *windows.GUID, ClassName *uint16, ClassNameSize uint32, RequiredSize *uint32, MachineName *uint16, Reserved uintptr) (err error) = setupapi.SetupDiClassNameFromGuidExW
// SetupDiClassNameFromGuidEx function retrieves the class name associated with a class GUID. The class can be installed on a local or remote computer.
@ -238,5 +288,15 @@ func SetupDiGetSelectedDevice(DeviceInfoSet DevInfo) (DeviceInfoData *SP_DEVINFO
return &data, setupDiGetSelectedDevice(DeviceInfoSet, &data)
}
// GetSelectedDevice method retrieves the selected device information element in a device information set.
func (DeviceInfoSet DevInfo) GetSelectedDevice() (DeviceInfoData *SP_DEVINFO_DATA, err error) {
return SetupDiGetSelectedDevice(DeviceInfoSet)
}
// SetupDiSetSelectedDevice function sets a device information element as the selected member of a device information set. This function is typically used by an installation wizard.
//sys SetupDiSetSelectedDevice(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA) (err error) = setupapi.SetupDiSetSelectedDevice
// SetSelectedDevice method sets a device information element as the selected member of a device information set. This function is typically used by an installation wizard.
func (DeviceInfoSet DevInfo) SetSelectedDevice(DeviceInfoData *SP_DEVINFO_DATA) (err error) {
return SetupDiSetSelectedDevice(DeviceInfoSet, DeviceInfoData)
}

26
setupapi/setupapi_windows_test.go
View file

@ -50,7 +50,7 @@ func TestSetupDiGetDeviceInfoListDetail(t *testing.T) {
}
defer devInfoList.Close()
data, err := SetupDiGetDeviceInfoListDetail(devInfoList)
data, err := devInfoList.GetDeviceInfoListDetail()
if err != nil {
t.Errorf("Error calling SetupDiGetDeviceInfoListDetail: %s", err.Error())
} else {
@ -73,7 +73,7 @@ func TestSetupDiGetDeviceInfoListDetail(t *testing.T) {
}
defer devInfoList.Close()
data, err = SetupDiGetDeviceInfoListDetail(devInfoList)
data, err = devInfoList.GetDeviceInfoListDetail()
if err != nil {
t.Errorf("Error calling SetupDiGetDeviceInfoListDetail: %s", err.Error())
} else {
@ -103,7 +103,7 @@ func TestSetupDiCreateDeviceInfo(t *testing.T) {
t.Errorf("Error calling SetupDiClassNameFromGuidEx: %s", err.Error())
}
devInfoData, err := SetupDiCreateDeviceInfo(devInfoList, deviceClassNetName, &deviceClassNetGUID, "This is a test device", 0, DICD_GENERATE_ID)
devInfoData, err := devInfoList.CreateDeviceInfo(deviceClassNetName, &deviceClassNetGUID, "This is a test device", 0, DICD_GENERATE_ID)
if err != nil {
// Access denied is expected, as the SetupDiCreateDeviceInfo() require elevation to succeed.
if errWin, ok := err.(syscall.Errno); !ok || errWin != windows.ERROR_ACCESS_DENIED {
@ -122,7 +122,7 @@ func TestSetupDiEnumDeviceInfo(t *testing.T) {
defer devInfoList.Close()
for i := 0; true; i++ {
data, err := SetupDiEnumDeviceInfo(devInfoList, i)
data, err := devInfoList.EnumDeviceInfo(i)
if err != nil {
if errWin, ok := err.(syscall.Errno); ok && errWin == 259 /*ERROR_NO_MORE_ITEMS*/ {
break
@ -163,7 +163,7 @@ func TestSetupDiOpenDevRegKey(t *testing.T) {
defer devInfoList.Close()
for i := 0; true; i++ {
data, err := SetupDiEnumDeviceInfo(devInfoList, i)
data, err := devInfoList.EnumDeviceInfo(i)
if err != nil {
if errWin, ok := err.(syscall.Errno); ok && errWin == 259 /*ERROR_NO_MORE_ITEMS*/ {
break
@ -171,7 +171,7 @@ func TestSetupDiOpenDevRegKey(t *testing.T) {
continue
}
key, err := SetupDiOpenDevRegKey(devInfoList, data, DICS_FLAG_GLOBAL, 0, DIREG_DRV, windows.KEY_READ)
key, err := devInfoList.OpenDevRegKey(data, DICS_FLAG_GLOBAL, 0, DIREG_DRV, windows.KEY_READ)
if err != nil {
t.Errorf("Error calling SetupDiOpenDevRegKey: %s", err.Error())
}
@ -187,7 +187,7 @@ func TestSetupDiGetDeviceInstallParams(t *testing.T) {
defer devInfoList.Close()
for i := 0; true; i++ {
data, err := SetupDiEnumDeviceInfo(devInfoList, i)
data, err := devInfoList.EnumDeviceInfo(i)
if err != nil {
if errWin, ok := err.(syscall.Errno); ok && errWin == 259 /*ERROR_NO_MORE_ITEMS*/ {
break
@ -195,9 +195,9 @@ func TestSetupDiGetDeviceInstallParams(t *testing.T) {
continue
}
_, err = SetupDiGetDeviceInstallParams(devInfoList, data)
_, err = devInfoList.GetDeviceInstallParams(data)
if err != nil {
t.Errorf("Error calling SetupDiOpenDevRegKey: %s", err.Error())
t.Errorf("Error calling SetupDiGetDeviceInstallParams: %s", err.Error())
}
}
}
@ -260,7 +260,7 @@ func TestSetupDiGetSelectedDevice(t *testing.T) {
defer devInfoList.Close()
for i := 0; true; i++ {
data, err := SetupDiEnumDeviceInfo(devInfoList, i)
data, err := devInfoList.EnumDeviceInfo(i)
if err != nil {
if errWin, ok := err.(syscall.Errno); ok && errWin == 259 /*ERROR_NO_MORE_ITEMS*/ {
break
@ -268,12 +268,12 @@ func TestSetupDiGetSelectedDevice(t *testing.T) {
continue
}
err = SetupDiSetSelectedDevice(devInfoList, data)
err = devInfoList.SetSelectedDevice(data)
if err != nil {
t.Errorf("Error calling SetupDiSetSelectedDevice: %s", err.Error())
}
data2, err := SetupDiGetSelectedDevice(devInfoList)
data2, err := devInfoList.GetSelectedDevice()
if err != nil {
t.Errorf("Error calling SetupDiGetSelectedDevice: %s", err.Error())
} else if *data != *data2 {
@ -281,7 +281,7 @@ func TestSetupDiGetSelectedDevice(t *testing.T) {
}
}
err = SetupDiSetSelectedDevice(devInfoList, nil)
err = devInfoList.SetSelectedDevice(nil)
if err == nil {
t.Errorf("SetupDiSetSelectedDevice(nil) should fail")
} else {

5
setupapi/types_windows.go
View file

@ -31,11 +31,6 @@ type HSPFILEQ uintptr
// DevInfo holds reference to device information set
type DevInfo windows.Handle
// Close function deletes a device information set and frees all associated memory.
func (h DevInfo) Close() error {
return SetupDiDestroyDeviceInfoList(h)
}
// SP_DEVINFO_DATA is a device information structure (references a device instance that is a member of a device information set)
type SP_DEVINFO_DATA struct {
Size uint32