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285 lines
8.9 KiB
Go

package win32api
import (
"errors"
"syscall"
"unsafe"
)
func WTSGetActiveConsoleSessionId() (DWORD, error) {
kernel32, err := syscall.LoadLibrary("kernel32.dll")
if err != nil {
return 0, errors.New("Can't Load Kernel32 API")
}
defer syscall.FreeLibrary(kernel32)
WTGet, err := syscall.GetProcAddress(syscall.Handle(kernel32), "WTSGetActiveConsoleSessionId")
if err != nil {
return 0, errors.New("Can't Load WTSGetActiveConsoleSessionId API")
}
res, _, _ := syscall.Syscall(uintptr(WTGet), 0, 0, 0, 0)
return DWORD(res), nil
}
func CloseHandle(hObject HANDLE) error {
kernel32, err := syscall.LoadLibrary("kernel32.dll")
if err != nil {
return errors.New("Can't Load Kernel32 API")
}
defer syscall.FreeLibrary(kernel32)
CH, err := syscall.GetProcAddress(syscall.Handle(kernel32), "CloseHandle")
if err != nil {
return errors.New("Can't Load CloseHandle API")
}
if r, _, errno := syscall.Syscall(uintptr(CH), 1, uintptr(hObject), 0, 0); r == 0 {
return error(errno)
}
return nil
}
func CreateToolhelp32Snapshot(dwFlags, th32ProcessID DWORD) (HANDLE, error) {
kernel32, err := syscall.LoadLibrary("kernel32.dll")
if err != nil {
return 0, errors.New("Can't Load Kernel32 API")
}
defer syscall.FreeLibrary(kernel32)
CTS, err := syscall.GetProcAddress(syscall.Handle(kernel32), "CreateToolhelp32Snapshot")
if err != nil {
return 0, errors.New("Can't Load CreateToolhelp32Snapshot API")
}
r, _, errno := syscall.Syscall(uintptr(CTS), 2, uintptr(dwFlags), uintptr(th32ProcessID), 0)
if int(r) == -1 {
return 0, error(errno)
}
return HANDLE(r), nil
}
func Process32Next(hSnapshot HANDLE, lppe *PROCESSENTRY32) error {
kernel32, err := syscall.LoadLibrary("kernel32.dll")
if err != nil {
return errors.New("Can't Load Kernel32 API")
}
defer syscall.FreeLibrary(kernel32)
PN, err := syscall.GetProcAddress(syscall.Handle(kernel32), "Process32Next")
if err != nil {
return errors.New("Can't Load Process32Next API")
}
r, _, errno := syscall.Syscall(uintptr(PN), 2, uintptr(hSnapshot), uintptr(unsafe.Pointer(lppe)), 0)
if r == 0 {
if errno != 0 {
return error(errno)
}
return syscall.EINVAL
}
return nil
}
func GetProcessId(Process HANDLE) uint32 {
kernel32, err := syscall.LoadLibrary("kernel32.dll")
if err != nil {
return 0
}
defer syscall.FreeLibrary(kernel32)
GPI, err := syscall.GetProcAddress(syscall.Handle(kernel32), "GetProcessId")
if err != nil {
return 0
}
r, _, _ := syscall.Syscall(uintptr(GPI), 1, uintptr(Process), 0, 0)
return uint32(r)
}
func GetTickCount() (uint32, error) {
kernel32, err := syscall.LoadLibrary("kernel32.dll")
if err != nil {
return 0, err
}
defer syscall.FreeLibrary(kernel32)
GTC, err := syscall.GetProcAddress(syscall.Handle(kernel32), "GetTickCount")
if err != nil {
return 0, err
}
r, _, _ := syscall.Syscall(uintptr(GTC), 0, 0, 0, 0)
return uint32(r), nil
}
func GlobalMemoryStatusEx(data *MEMORYSTATUSEX) (bool, error) {
(*data).DwLength = DWORD(unsafe.Sizeof(*data))
kernel32, err := syscall.LoadLibrary("kernel32.dll")
if err != nil {
return false, err
}
defer syscall.FreeLibrary(kernel32)
GMS, err := syscall.GetProcAddress(syscall.Handle(kernel32), "GlobalMemoryStatusEx")
if err != nil {
return false, err
}
r, _, errno := syscall.Syscall(uintptr(GMS), 1, uintptr(unsafe.Pointer(data)), 0, 0)
if r == 0 {
if errno != 0 {
return false, error(errno)
}
return false, syscall.EINVAL
}
return true, nil
}
func LockFileEx(hFile HANDLE, dwFlags DWORD, dwReserved DWORD, nNumberOfBytesToLockLow DWORD,
nNumberOfBytesToLockHigh DWORD, lpOverlapped *syscall.Overlapped) (bool, error) {
kernel32, err := syscall.LoadLibrary("kernel32.dll")
if err != nil {
return false, err
}
defer syscall.FreeLibrary(kernel32)
Lck, err := syscall.GetProcAddress(syscall.Handle(kernel32), "LockFileEx")
if err != nil {
return false, err
}
r, _, errno := syscall.Syscall6(uintptr(Lck), 6, uintptr(hFile), uintptr(dwFlags), uintptr(dwReserved),
uintptr(nNumberOfBytesToLockLow), uintptr(nNumberOfBytesToLockHigh), uintptr(unsafe.Pointer(lpOverlapped)))
if r == 0 {
if errno != 0 {
return false, error(errno)
}
return false, syscall.EINVAL
}
return true, nil
}
func OpenFileById(hVolumeHint HANDLE, lpFileId *FILE_ID_DESCRIPTOR, dwDesiredAccess DWORD, dwShareMode DWORD,
lpSecurityAttributes *syscall.SecurityAttributes, dwFlagsAndAttributes DWORD) (HANDLE, error) {
kernel32, err := syscall.LoadLibrary("kernel32.dll")
if err != nil {
return 0, err
}
defer syscall.FreeLibrary(kernel32)
ofb, err := syscall.GetProcAddress(syscall.Handle(kernel32), "OpenFileById")
if err != nil {
return 0, err
}
r, _, errno := syscall.Syscall6(ofb, 6, uintptr(hVolumeHint),
uintptr(unsafe.Pointer(lpFileId)), uintptr(dwDesiredAccess), uintptr(dwShareMode),
uintptr(unsafe.Pointer(lpSecurityAttributes)), uintptr(dwFlagsAndAttributes))
if r == syscall.INVALID_FILE_ATTRIBUTES {
if errno != 0 {
return HANDLE(r), error(errno)
}
return HANDLE(r), syscall.EINVAL
}
return HANDLE(r), nil
}
func CreateEventW(lpEventAttributes *syscall.SecurityAttributes, bManualReset bool,
bInitialState bool, lpName LPCWSTR) (HANDLE, error) {
var intBManualReset, intBInitialState int
if bManualReset {
intBManualReset = 1
}
if bInitialState {
intBInitialState = 1
}
kernel32, err := syscall.LoadLibrary("kernel32.dll")
if err != nil {
return 0, err
}
defer syscall.FreeLibrary(kernel32)
Lck, err := syscall.GetProcAddress(syscall.Handle(kernel32), "CreateEventW")
if err != nil {
return 0, err
}
r, _, errno := syscall.Syscall6(uintptr(Lck), 4, uintptr(unsafe.Pointer(lpEventAttributes)),
uintptr(intBManualReset), uintptr(intBInitialState), uintptr(unsafe.Pointer(lpName)), 0, 0)
if HANDLE(r) == 0 {
if errno != 0 {
return HANDLE(r), error(errno)
}
return HANDLE(r), syscall.EINVAL
}
return HANDLE(r), nil
}
func GetLogicalDriveStringsW(nBufferLength DWORD, lpBuffer LPWSTR) error {
kernel32, err := syscall.LoadLibrary("kernel32.dll")
if err != nil {
return err
}
defer syscall.FreeLibrary(kernel32)
glds, err := syscall.GetProcAddress(syscall.Handle(kernel32), "GetLogicalDriveStringsW")
if err != nil {
return err
}
_, _, errno := syscall.Syscall(uintptr(glds), 2, uintptr(nBufferLength), uintptr(unsafe.Pointer(lpBuffer)), 0)
if errno != 0 {
return error(errno)
}
return nil
}
func GetVolumeInformationW(lpRootPathName LPCWSTR, lpVolumeNameBuffer LPWSTR, nVolumeNameSize DWORD,
lpVolumeSerialNumber LPDWORD, lpMaximumComponentLength LPDWORD, lpFileSystemFlags LPDWORD,
lpFileSystemNameBuffer LPWSTR, nFileSystemNameSize DWORD) error {
kernel32, err := syscall.LoadLibrary("kernel32.dll")
if err != nil {
return err
}
defer syscall.FreeLibrary(kernel32)
glds, err := syscall.GetProcAddress(syscall.Handle(kernel32), "GetVolumeInformationW")
if err != nil {
return err
}
_, _, errno := syscall.Syscall9(uintptr(glds), 8, uintptr(unsafe.Pointer(lpRootPathName)),
uintptr(unsafe.Pointer(lpVolumeNameBuffer)), uintptr(nVolumeNameSize), uintptr(unsafe.Pointer(lpVolumeSerialNumber)),
uintptr(unsafe.Pointer(lpMaximumComponentLength)), uintptr(unsafe.Pointer(lpFileSystemFlags)),
uintptr(unsafe.Pointer(lpFileSystemNameBuffer)), uintptr(nFileSystemNameSize), 0)
if errno != 0 {
return error(errno)
}
return nil
}
func DeviceIoControl(hDevice HANDLE, dwIoControlCode DWORD, lpInBuffer LPVOID, nInBufferSize DWORD, lpOutBuffer LPVOID,
nOutBufferSize DWORD, lpBytesReturned LPDWORD, lpOverlapped *syscall.Overlapped) (bool, error) {
kernel32, err := syscall.LoadLibrary("kernel32.dll")
if err != nil {
return false, err
}
defer syscall.FreeLibrary(kernel32)
dic, err := syscall.GetProcAddress(syscall.Handle(kernel32), "DeviceIoControl")
if err != nil {
return false, err
}
r, _, errno := syscall.Syscall9(uintptr(dic), 8, uintptr(hDevice), uintptr(dwIoControlCode),
uintptr(unsafe.Pointer(lpInBuffer)), uintptr(nInBufferSize), uintptr(unsafe.Pointer(lpOutBuffer)), uintptr(nOutBufferSize),
uintptr(unsafe.Pointer(lpBytesReturned)), uintptr(unsafe.Pointer(lpOverlapped)), 0)
if r == 0 {
if errno != 0 {
return false, error(errno)
} else {
return false, syscall.EINVAL
}
}
return true, nil
}
func DeviceIoControlPtr(hDevice HANDLE, dwIoControlCode DWORD, lpInBuffer uintptr, nInBufferSize DWORD, lpOutBuffer uintptr,
nOutBufferSize DWORD, lpBytesReturned LPDWORD, lpOverlapped *syscall.Overlapped) (bool, error) {
kernel32, err := syscall.LoadLibrary("kernel32.dll")
if err != nil {
return false, err
}
defer syscall.FreeLibrary(kernel32)
dic, err := syscall.GetProcAddress(syscall.Handle(kernel32), "DeviceIoControl")
if err != nil {
return false, err
}
r, _, errno := syscall.Syscall9(uintptr(dic), 8, uintptr(hDevice), uintptr(dwIoControlCode),
lpInBuffer, uintptr(nInBufferSize), lpOutBuffer, uintptr(nOutBufferSize),
uintptr(unsafe.Pointer(lpBytesReturned)), uintptr(unsafe.Pointer(lpOverlapped)), 0)
if r == 0 {
if errno != 0 {
return false, error(errno)
} else {
return false, syscall.EINVAL
}
}
return true, nil
}