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// Copyright 2010-2012 The W32 Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package w32
import (
"errors"
"fmt"
"syscall"
"unsafe"
)
var (
modadvapi32 = syscall.NewLazyDLL("advapi32.dll")
// procRegSetKeyValue = modadvapi32.NewProc("RegSetKeyValueW")
procCloseEventLog = modadvapi32.NewProc("CloseEventLog")
procCloseServiceHandle = modadvapi32.NewProc("CloseServiceHandle")
procControlService = modadvapi32.NewProc("ControlService")
procControlTrace = modadvapi32.NewProc("ControlTraceW")
procInitializeSecurityDescriptor = modadvapi32.NewProc("InitializeSecurityDescriptor")
procOpenEventLog = modadvapi32.NewProc("OpenEventLogW")
procOpenSCManager = modadvapi32.NewProc("OpenSCManagerW")
procOpenService = modadvapi32.NewProc("OpenServiceW")
procReadEventLog = modadvapi32.NewProc("ReadEventLogW")
procRegCloseKey = modadvapi32.NewProc("RegCloseKey")
procRegCreateKeyEx = modadvapi32.NewProc("RegCreateKeyExW")
procRegEnumKeyEx = modadvapi32.NewProc("RegEnumKeyExW")
procRegGetValue = modadvapi32.NewProc("RegGetValueW")
procRegOpenKeyEx = modadvapi32.NewProc("RegOpenKeyExW")
procRegSetValueEx = modadvapi32.NewProc("RegSetValueExW")
procSetSecurityDescriptorDacl = modadvapi32.NewProc("SetSecurityDescriptorDacl")
procStartService = modadvapi32.NewProc("StartServiceW")
procStartTrace = modadvapi32.NewProc("StartTraceW")
)
var (
SystemTraceControlGuid = GUID{
0x9e814aad,
0x3204,
0x11d2,
[8]byte{0x9a, 0x82, 0x00, 0x60, 0x08, 0xa8, 0x69, 0x39},
}
)
func RegCreateKey(hKey HKEY, subKey string) HKEY {
var result HKEY
ret, _, _ := procRegCreateKeyEx.Call(
uintptr(hKey),
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(subKey))),
uintptr(0),
uintptr(0),
uintptr(0),
uintptr(KEY_ALL_ACCESS),
uintptr(0),
uintptr(unsafe.Pointer(&result)),
uintptr(0))
_ = ret
return result
}
func RegOpenKeyEx(hKey HKEY, subKey string, samDesired uint32) HKEY {
var result HKEY
ret, _, _ := procRegOpenKeyEx.Call(
uintptr(hKey),
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(subKey))),
uintptr(0),
uintptr(samDesired),
uintptr(unsafe.Pointer(&result)))
if ret != ERROR_SUCCESS {
panic(fmt.Sprintf("RegOpenKeyEx(%d, %s, %d) failed", hKey, subKey, samDesired))
}
return result
}
func RegCloseKey(hKey HKEY) error {
var err error
ret, _, _ := procRegCloseKey.Call(
uintptr(hKey))
if ret != ERROR_SUCCESS {
err = errors.New("RegCloseKey failed")
}
return err
}
func RegGetRaw(hKey HKEY, subKey string, value string) []byte {
var bufLen uint32
var valptr unsafe.Pointer
if len(value) > 0 {
valptr = unsafe.Pointer(syscall.StringToUTF16Ptr(value))
}
procRegGetValue.Call(
uintptr(hKey),
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(subKey))),
uintptr(valptr),
uintptr(RRF_RT_ANY),
0,
0,
uintptr(unsafe.Pointer(&bufLen)))
if bufLen == 0 {
return nil
}
buf := make([]byte, bufLen)
ret, _, _ := procRegGetValue.Call(
uintptr(hKey),
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(subKey))),
uintptr(valptr),
uintptr(RRF_RT_ANY),
0,
uintptr(unsafe.Pointer(&buf[0])),
uintptr(unsafe.Pointer(&bufLen)))
if ret != ERROR_SUCCESS {
return nil
}
return buf
}
func RegSetBinary(hKey HKEY, subKey string, value []byte) (errno int) {
var lptr, vptr unsafe.Pointer
if len(subKey) > 0 {
lptr = unsafe.Pointer(syscall.StringToUTF16Ptr(subKey))
}
if len(value) > 0 {
vptr = unsafe.Pointer(&value[0])
}
ret, _, _ := procRegSetValueEx.Call(
uintptr(hKey),
uintptr(lptr),
uintptr(0),
uintptr(REG_BINARY),
uintptr(vptr),
uintptr(len(value)))
return int(ret)
}
func RegGetString(hKey HKEY, subKey string, value string) string {
var bufLen uint32
procRegGetValue.Call(
uintptr(hKey),
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(subKey))),
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(value))),
uintptr(RRF_RT_REG_SZ),
0,
0,
uintptr(unsafe.Pointer(&bufLen)))
if bufLen == 0 {
return ""
}
buf := make([]uint16, bufLen)
ret, _, _ := procRegGetValue.Call(
uintptr(hKey),
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(subKey))),
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(value))),
uintptr(RRF_RT_REG_SZ),
0,
uintptr(unsafe.Pointer(&buf[0])),
uintptr(unsafe.Pointer(&bufLen)))
if ret != ERROR_SUCCESS {
return ""
}
return syscall.UTF16ToString(buf)
}
/*
func RegSetKeyValue(hKey HKEY, subKey string, valueName string, dwType uint32, data uintptr, cbData uint16) (errno int) {
ret, _, _ := procRegSetKeyValue.Call(
uintptr(hKey),
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(subKey))),
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(valueName))),
uintptr(dwType),
data,
uintptr(cbData))
return int(ret)
}
*/
func RegEnumKeyEx(hKey HKEY, index uint32) string {
var bufLen uint32 = 255
buf := make([]uint16, bufLen)
procRegEnumKeyEx.Call(
uintptr(hKey),
uintptr(index),
uintptr(unsafe.Pointer(&buf[0])),
uintptr(unsafe.Pointer(&bufLen)),
0,
0,
0,
0)
return syscall.UTF16ToString(buf)
}
func OpenEventLog(servername string, sourcename string) HANDLE {
ret, _, _ := procOpenEventLog.Call(
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(servername))),
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(sourcename))))
return HANDLE(ret)
}
func ReadEventLog(eventlog HANDLE, readflags, recordoffset uint32, buffer []byte, numberofbytestoread uint32, bytesread, minnumberofbytesneeded *uint32) bool {
ret, _, _ := procReadEventLog.Call(
uintptr(eventlog),
uintptr(readflags),
uintptr(recordoffset),
uintptr(unsafe.Pointer(&buffer[0])),
uintptr(numberofbytestoread),
uintptr(unsafe.Pointer(bytesread)),
uintptr(unsafe.Pointer(minnumberofbytesneeded)))
return ret != 0
}
func CloseEventLog(eventlog HANDLE) bool {
ret, _, _ := procCloseEventLog.Call(
uintptr(eventlog))
return ret != 0
}
func OpenSCManager(lpMachineName, lpDatabaseName string, dwDesiredAccess uint32) (HANDLE, error) {
var p1, p2 uintptr
if len(lpMachineName) > 0 {
p1 = uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(lpMachineName)))
}
if len(lpDatabaseName) > 0 {
p2 = uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(lpDatabaseName)))
}
ret, _, _ := procOpenSCManager.Call(
p1,
p2,
uintptr(dwDesiredAccess))
if ret == 0 {
return 0, syscall.GetLastError()
}
return HANDLE(ret), nil
}
func CloseServiceHandle(hSCObject HANDLE) error {
ret, _, _ := procCloseServiceHandle.Call(uintptr(hSCObject))
if ret == 0 {
return syscall.GetLastError()
}
return nil
}
func OpenService(hSCManager HANDLE, lpServiceName string, dwDesiredAccess uint32) (HANDLE, error) {
ret, _, _ := procOpenService.Call(
uintptr(hSCManager),
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(lpServiceName))),
uintptr(dwDesiredAccess))
if ret == 0 {
return 0, syscall.GetLastError()
}
return HANDLE(ret), nil
}
func StartService(hService HANDLE, lpServiceArgVectors []string) error {
l := len(lpServiceArgVectors)
var ret uintptr
if l == 0 {
ret, _, _ = procStartService.Call(
uintptr(hService),
0,
0)
} else {
lpArgs := make([]uintptr, l)
for i := 0; i < l; i++ {
lpArgs[i] = uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(lpServiceArgVectors[i])))
}
ret, _, _ = procStartService.Call(
uintptr(hService),
uintptr(l),
uintptr(unsafe.Pointer(&lpArgs[0])))
}
if ret == 0 {
return syscall.GetLastError()
}
return nil
}
func ControlService(hService HANDLE, dwControl uint32, lpServiceStatus *SERVICE_STATUS) bool {
if lpServiceStatus == nil {
panic("ControlService:lpServiceStatus cannot be nil")
}
ret, _, _ := procControlService.Call(
uintptr(hService),
uintptr(dwControl),
uintptr(unsafe.Pointer(lpServiceStatus)))
return ret != 0
}
func ControlTrace(hTrace TRACEHANDLE, lpSessionName string, props *EVENT_TRACE_PROPERTIES, dwControl uint32) (success bool, e error) {
ret, _, _ := procControlTrace.Call(
uintptr(unsafe.Pointer(hTrace)),
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(lpSessionName))),
uintptr(unsafe.Pointer(props)),
uintptr(dwControl))
if ret == ERROR_SUCCESS {
return true, nil
}
e = errors.New(fmt.Sprintf("error: 0x%x", ret))
return
}
func StartTrace(lpSessionName string, props *EVENT_TRACE_PROPERTIES) (hTrace TRACEHANDLE, e error) {
ret, _, _ := procStartTrace.Call(
uintptr(unsafe.Pointer(&hTrace)),
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(lpSessionName))),
uintptr(unsafe.Pointer(props)))
if ret == ERROR_SUCCESS {
return
}
e = errors.New(fmt.Sprintf("error: 0x%x", ret))
return
}
// http://msdn.microsoft.com/en-us/library/windows/desktop/aa378863(v=vs.85).aspx
func InitializeSecurityDescriptor(rev uint16) (pSecurityDescriptor *SECURITY_DESCRIPTOR, e error) {
pSecurityDescriptor = &SECURITY_DESCRIPTOR{}
ret, _, _ := procInitializeSecurityDescriptor.Call(
uintptr(unsafe.Pointer(pSecurityDescriptor)),
uintptr(rev),
)
if ret != 0 {
return
}
e = syscall.GetLastError()
return
}
// http://msdn.microsoft.com/en-us/library/windows/desktop/aa379583(v=vs.85).aspx
func SetSecurityDescriptorDacl(pSecurityDescriptor *SECURITY_DESCRIPTOR, pDacl *ACL) (e error) {
if pSecurityDescriptor == nil {
return errors.New("null descriptor")
}
var ret uintptr
if pDacl == nil {
ret, _, _ = procSetSecurityDescriptorDacl.Call(
uintptr(unsafe.Pointer(pSecurityDescriptor)),
uintptr(1), // DaclPresent
uintptr(0), // pDacl
uintptr(0), // DaclDefaulted
)
} else {
ret, _, _ = procSetSecurityDescriptorDacl.Call(
uintptr(unsafe.Pointer(pSecurityDescriptor)),
uintptr(1), // DaclPresent
uintptr(unsafe.Pointer(pDacl)),
uintptr(0), //DaclDefaulted
)
}
if ret != 0 {
return
}
e = syscall.GetLastError()
return
}
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