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