diff options
Diffstat (limited to 'vendor/golang.org/x/sys/windows/syscall_windows.go')
| -rw-r--r-- | vendor/golang.org/x/sys/windows/syscall_windows.go | 1672 |
1 files changed, 1672 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/windows/syscall_windows.go b/vendor/golang.org/x/sys/windows/syscall_windows.go new file mode 100644 index 0000000..1215b2a --- /dev/null +++ b/vendor/golang.org/x/sys/windows/syscall_windows.go @@ -0,0 +1,1672 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Windows system calls. + +package windows + +import ( + errorspkg "errors" + "fmt" + "runtime" + "sync" + "syscall" + "time" + "unicode/utf16" + "unsafe" + + "golang.org/x/sys/internal/unsafeheader" +) + +type Handle uintptr +type HWND uintptr + +const ( + InvalidHandle = ^Handle(0) + InvalidHWND = ^HWND(0) + + // Flags for DefineDosDevice. + DDD_EXACT_MATCH_ON_REMOVE = 0x00000004 + DDD_NO_BROADCAST_SYSTEM = 0x00000008 + DDD_RAW_TARGET_PATH = 0x00000001 + DDD_REMOVE_DEFINITION = 0x00000002 + + // Return values for GetDriveType. + DRIVE_UNKNOWN = 0 + DRIVE_NO_ROOT_DIR = 1 + DRIVE_REMOVABLE = 2 + DRIVE_FIXED = 3 + DRIVE_REMOTE = 4 + DRIVE_CDROM = 5 + DRIVE_RAMDISK = 6 + + // File system flags from GetVolumeInformation and GetVolumeInformationByHandle. + FILE_CASE_SENSITIVE_SEARCH = 0x00000001 + FILE_CASE_PRESERVED_NAMES = 0x00000002 + FILE_FILE_COMPRESSION = 0x00000010 + FILE_DAX_VOLUME = 0x20000000 + FILE_NAMED_STREAMS = 0x00040000 + FILE_PERSISTENT_ACLS = 0x00000008 + FILE_READ_ONLY_VOLUME = 0x00080000 + FILE_SEQUENTIAL_WRITE_ONCE = 0x00100000 + FILE_SUPPORTS_ENCRYPTION = 0x00020000 + FILE_SUPPORTS_EXTENDED_ATTRIBUTES = 0x00800000 + FILE_SUPPORTS_HARD_LINKS = 0x00400000 + FILE_SUPPORTS_OBJECT_IDS = 0x00010000 + FILE_SUPPORTS_OPEN_BY_FILE_ID = 0x01000000 + FILE_SUPPORTS_REPARSE_POINTS = 0x00000080 + FILE_SUPPORTS_SPARSE_FILES = 0x00000040 + FILE_SUPPORTS_TRANSACTIONS = 0x00200000 + FILE_SUPPORTS_USN_JOURNAL = 0x02000000 + FILE_UNICODE_ON_DISK = 0x00000004 + FILE_VOLUME_IS_COMPRESSED = 0x00008000 + FILE_VOLUME_QUOTAS = 0x00000020 + + // Flags for LockFileEx. + LOCKFILE_FAIL_IMMEDIATELY = 0x00000001 + LOCKFILE_EXCLUSIVE_LOCK = 0x00000002 + + // Return value of SleepEx and other APC functions + WAIT_IO_COMPLETION = 0x000000C0 +) + +// StringToUTF16 is deprecated. Use UTF16FromString instead. +// If s contains a NUL byte this function panics instead of +// returning an error. +func StringToUTF16(s string) []uint16 { + a, err := UTF16FromString(s) + if err != nil { + panic("windows: string with NUL passed to StringToUTF16") + } + return a +} + +// UTF16FromString returns the UTF-16 encoding of the UTF-8 string +// s, with a terminating NUL added. If s contains a NUL byte at any +// location, it returns (nil, syscall.EINVAL). +func UTF16FromString(s string) ([]uint16, error) { + for i := 0; i < len(s); i++ { + if s[i] == 0 { + return nil, syscall.EINVAL + } + } + return utf16.Encode([]rune(s + "\x00")), nil +} + +// UTF16ToString returns the UTF-8 encoding of the UTF-16 sequence s, +// with a terminating NUL and any bytes after the NUL removed. +func UTF16ToString(s []uint16) string { + for i, v := range s { + if v == 0 { + s = s[:i] + break + } + } + return string(utf16.Decode(s)) +} + +// StringToUTF16Ptr is deprecated. Use UTF16PtrFromString instead. +// If s contains a NUL byte this function panics instead of +// returning an error. +func StringToUTF16Ptr(s string) *uint16 { return &StringToUTF16(s)[0] } + +// UTF16PtrFromString returns pointer to the UTF-16 encoding of +// the UTF-8 string s, with a terminating NUL added. If s +// contains a NUL byte at any location, it returns (nil, syscall.EINVAL). +func UTF16PtrFromString(s string) (*uint16, error) { + a, err := UTF16FromString(s) + if err != nil { + return nil, err + } + return &a[0], nil +} + +// UTF16PtrToString takes a pointer to a UTF-16 sequence and returns the corresponding UTF-8 encoded string. +// If the pointer is nil, it returns the empty string. It assumes that the UTF-16 sequence is terminated +// at a zero word; if the zero word is not present, the program may crash. +func UTF16PtrToString(p *uint16) string { + if p == nil { + return "" + } + if *p == 0 { + return "" + } + + // Find NUL terminator. + n := 0 + for ptr := unsafe.Pointer(p); *(*uint16)(ptr) != 0; n++ { + ptr = unsafe.Pointer(uintptr(ptr) + unsafe.Sizeof(*p)) + } + + var s []uint16 + h := (*unsafeheader.Slice)(unsafe.Pointer(&s)) + h.Data = unsafe.Pointer(p) + h.Len = n + h.Cap = n + + return string(utf16.Decode(s)) +} + +func Getpagesize() int { return 4096 } + +// NewCallback converts a Go function to a function pointer conforming to the stdcall calling convention. +// This is useful when interoperating with Windows code requiring callbacks. +// The argument is expected to be a function with with one uintptr-sized result. The function must not have arguments with size larger than the size of uintptr. +func NewCallback(fn interface{}) uintptr { + return syscall.NewCallback(fn) +} + +// NewCallbackCDecl converts a Go function to a function pointer conforming to the cdecl calling convention. +// This is useful when interoperating with Windows code requiring callbacks. +// The argument is expected to be a function with with one uintptr-sized result. The function must not have arguments with size larger than the size of uintptr. +func NewCallbackCDecl(fn interface{}) uintptr { + return syscall.NewCallbackCDecl(fn) +} + +// windows api calls + +//sys GetLastError() (lasterr error) +//sys LoadLibrary(libname string) (handle Handle, err error) = LoadLibraryW +//sys LoadLibraryEx(libname string, zero Handle, flags uintptr) (handle Handle, err error) = LoadLibraryExW +//sys FreeLibrary(handle Handle) (err error) +//sys GetProcAddress(module Handle, procname string) (proc uintptr, err error) +//sys GetModuleFileName(module Handle, filename *uint16, size uint32) (n uint32, err error) = kernel32.GetModuleFileNameW +//sys GetModuleHandleEx(flags uint32, moduleName *uint16, module *Handle) (err error) = kernel32.GetModuleHandleExW +//sys SetDefaultDllDirectories(directoryFlags uint32) (err error) +//sys SetDllDirectory(path string) (err error) = kernel32.SetDllDirectoryW +//sys GetVersion() (ver uint32, err error) +//sys FormatMessage(flags uint32, msgsrc uintptr, msgid uint32, langid uint32, buf []uint16, args *byte) (n uint32, err error) = FormatMessageW +//sys ExitProcess(exitcode uint32) +//sys IsWow64Process(handle Handle, isWow64 *bool) (err error) = IsWow64Process +//sys IsWow64Process2(handle Handle, processMachine *uint16, nativeMachine *uint16) (err error) = IsWow64Process2? +//sys CreateFile(name *uint16, access uint32, mode uint32, sa *SecurityAttributes, createmode uint32, attrs uint32, templatefile Handle) (handle Handle, err error) [failretval==InvalidHandle] = CreateFileW +//sys CreateNamedPipe(name *uint16, flags uint32, pipeMode uint32, maxInstances uint32, outSize uint32, inSize uint32, defaultTimeout uint32, sa *SecurityAttributes) (handle Handle, err error) [failretval==InvalidHandle] = CreateNamedPipeW +//sys ConnectNamedPipe(pipe Handle, overlapped *Overlapped) (err error) +//sys GetNamedPipeInfo(pipe Handle, flags *uint32, outSize *uint32, inSize *uint32, maxInstances *uint32) (err error) +//sys GetNamedPipeHandleState(pipe Handle, state *uint32, curInstances *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32, userName *uint16, maxUserNameSize uint32) (err error) = GetNamedPipeHandleStateW +//sys SetNamedPipeHandleState(pipe Handle, state *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32) (err error) = SetNamedPipeHandleState +//sys ReadFile(handle Handle, buf []byte, done *uint32, overlapped *Overlapped) (err error) +//sys WriteFile(handle Handle, buf []byte, done *uint32, overlapped *Overlapped) (err error) +//sys GetOverlappedResult(handle Handle, overlapped *Overlapped, done *uint32, wait bool) (err error) +//sys SetFilePointer(handle Handle, lowoffset int32, highoffsetptr *int32, whence uint32) (newlowoffset uint32, err error) [failretval==0xffffffff] +//sys CloseHandle(handle Handle) (err error) +//sys GetStdHandle(stdhandle uint32) (handle Handle, err error) [failretval==InvalidHandle] +//sys SetStdHandle(stdhandle uint32, handle Handle) (err error) +//sys findFirstFile1(name *uint16, data *win32finddata1) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstFileW +//sys findNextFile1(handle Handle, data *win32finddata1) (err error) = FindNextFileW +//sys FindClose(handle Handle) (err error) +//sys GetFileInformationByHandle(handle Handle, data *ByHandleFileInformation) (err error) +//sys GetFileInformationByHandleEx(handle Handle, class uint32, outBuffer *byte, outBufferLen uint32) (err error) +//sys SetFileInformationByHandle(handle Handle, class uint32, inBuffer *byte, inBufferLen uint32) (err error) +//sys GetCurrentDirectory(buflen uint32, buf *uint16) (n uint32, err error) = GetCurrentDirectoryW +//sys SetCurrentDirectory(path *uint16) (err error) = SetCurrentDirectoryW +//sys CreateDirectory(path *uint16, sa *SecurityAttributes) (err error) = CreateDirectoryW +//sys RemoveDirectory(path *uint16) (err error) = RemoveDirectoryW +//sys DeleteFile(path *uint16) (err error) = DeleteFileW +//sys MoveFile(from *uint16, to *uint16) (err error) = MoveFileW +//sys MoveFileEx(from *uint16, to *uint16, flags uint32) (err error) = MoveFileExW +//sys LockFileEx(file Handle, flags uint32, reserved uint32, bytesLow uint32, bytesHigh uint32, overlapped *Overlapped) (err error) +//sys UnlockFileEx(file Handle, reserved uint32, bytesLow uint32, bytesHigh uint32, overlapped *Overlapped) (err error) +//sys GetComputerName(buf *uint16, n *uint32) (err error) = GetComputerNameW +//sys GetComputerNameEx(nametype uint32, buf *uint16, n *uint32) (err error) = GetComputerNameExW +//sys SetEndOfFile(handle Handle) (err error) +//sys GetSystemTimeAsFileTime(time *Filetime) +//sys GetSystemTimePreciseAsFileTime(time *Filetime) +//sys GetTimeZoneInformation(tzi *Timezoneinformation) (rc uint32, err error) [failretval==0xffffffff] +//sys CreateIoCompletionPort(filehandle Handle, cphandle Handle, key uintptr, threadcnt uint32) (handle Handle, err error) +//sys GetQueuedCompletionStatus(cphandle Handle, qty *uint32, key *uintptr, overlapped **Overlapped, timeout uint32) (err error) +//sys PostQueuedCompletionStatus(cphandle Handle, qty uint32, key uintptr, overlapped *Overlapped) (err error) +//sys CancelIo(s Handle) (err error) +//sys CancelIoEx(s Handle, o *Overlapped) (err error) +//sys CreateProcess(appName *uint16, commandLine *uint16, procSecurity *SecurityAttributes, threadSecurity *SecurityAttributes, inheritHandles bool, creationFlags uint32, env *uint16, currentDir *uint16, startupInfo *StartupInfo, outProcInfo *ProcessInformation) (err error) = CreateProcessW +//sys CreateProcessAsUser(token Token, appName *uint16, commandLine *uint16, procSecurity *SecurityAttributes, threadSecurity *SecurityAttributes, inheritHandles bool, creationFlags uint32, env *uint16, currentDir *uint16, startupInfo *StartupInfo, outProcInfo *ProcessInformation) (err error) = advapi32.CreateProcessAsUserW +//sys initializeProcThreadAttributeList(attrlist *ProcThreadAttributeList, attrcount uint32, flags uint32, size *uintptr) (err error) = InitializeProcThreadAttributeList +//sys deleteProcThreadAttributeList(attrlist *ProcThreadAttributeList) = DeleteProcThreadAttributeList +//sys updateProcThreadAttribute(attrlist *ProcThreadAttributeList, flags uint32, attr uintptr, value unsafe.Pointer, size uintptr, prevvalue unsafe.Pointer, returnedsize *uintptr) (err error) = UpdateProcThreadAttribute +//sys OpenProcess(desiredAccess uint32, inheritHandle bool, processId uint32) (handle Handle, err error) +//sys ShellExecute(hwnd Handle, verb *uint16, file *uint16, args *uint16, cwd *uint16, showCmd int32) (err error) [failretval<=32] = shell32.ShellExecuteW +//sys GetWindowThreadProcessId(hwnd HWND, pid *uint32) (tid uint32, err error) = user32.GetWindowThreadProcessId +//sys GetShellWindow() (shellWindow HWND) = user32.GetShellWindow +//sys MessageBox(hwnd HWND, text *uint16, caption *uint16, boxtype uint32) (ret int32, err error) [failretval==0] = user32.MessageBoxW +//sys ExitWindowsEx(flags uint32, reason uint32) (err error) = user32.ExitWindowsEx +//sys shGetKnownFolderPath(id *KNOWNFOLDERID, flags uint32, token Token, path **uint16) (ret error) = shell32.SHGetKnownFolderPath +//sys TerminateProcess(handle Handle, exitcode uint32) (err error) +//sys GetExitCodeProcess(handle Handle, exitcode *uint32) (err error) +//sys GetStartupInfo(startupInfo *StartupInfo) (err error) = GetStartupInfoW +//sys GetProcessTimes(handle Handle, creationTime *Filetime, exitTime *Filetime, kernelTime *Filetime, userTime *Filetime) (err error) +//sys DuplicateHandle(hSourceProcessHandle Handle, hSourceHandle Handle, hTargetProcessHandle Handle, lpTargetHandle *Handle, dwDesiredAccess uint32, bInheritHandle bool, dwOptions uint32) (err error) +//sys WaitForSingleObject(handle Handle, waitMilliseconds uint32) (event uint32, err error) [failretval==0xffffffff] +//sys waitForMultipleObjects(count uint32, handles uintptr, waitAll bool, waitMilliseconds uint32) (event uint32, err error) [failretval==0xffffffff] = WaitForMultipleObjects +//sys GetTempPath(buflen uint32, buf *uint16) (n uint32, err error) = GetTempPathW +//sys CreatePipe(readhandle *Handle, writehandle *Handle, sa *SecurityAttributes, size uint32) (err error) +//sys GetFileType(filehandle Handle) (n uint32, err error) +//sys CryptAcquireContext(provhandle *Handle, container *uint16, provider *uint16, provtype uint32, flags uint32) (err error) = advapi32.CryptAcquireContextW +//sys CryptReleaseContext(provhandle Handle, flags uint32) (err error) = advapi32.CryptReleaseContext +//sys CryptGenRandom(provhandle Handle, buflen uint32, buf *byte) (err error) = advapi32.CryptGenRandom +//sys GetEnvironmentStrings() (envs *uint16, err error) [failretval==nil] = kernel32.GetEnvironmentStringsW +//sys FreeEnvironmentStrings(envs *uint16) (err error) = kernel32.FreeEnvironmentStringsW +//sys GetEnvironmentVariable(name *uint16, buffer *uint16, size uint32) (n uint32, err error) = kernel32.GetEnvironmentVariableW +//sys SetEnvironmentVariable(name *uint16, value *uint16) (err error) = kernel32.SetEnvironmentVariableW +//sys CreateEnvironmentBlock(block **uint16, token Token, inheritExisting bool) (err error) = userenv.CreateEnvironmentBlock +//sys DestroyEnvironmentBlock(block *uint16) (err error) = userenv.DestroyEnvironmentBlock +//sys getTickCount64() (ms uint64) = kernel32.GetTickCount64 +//sys SetFileTime(handle Handle, ctime *Filetime, atime *Filetime, wtime *Filetime) (err error) +//sys GetFileAttributes(name *uint16) (attrs uint32, err error) [failretval==INVALID_FILE_ATTRIBUTES] = kernel32.GetFileAttributesW +//sys SetFileAttributes(name *uint16, attrs uint32) (err error) = kernel32.SetFileAttributesW +//sys GetFileAttributesEx(name *uint16, level uint32, info *byte) (err error) = kernel32.GetFileAttributesExW +//sys GetCommandLine() (cmd *uint16) = kernel32.GetCommandLineW +//sys CommandLineToArgv(cmd *uint16, argc *int32) (argv *[8192]*[8192]uint16, err error) [failretval==nil] = shell32.CommandLineToArgvW +//sys LocalFree(hmem Handle) (handle Handle, err error) [failretval!=0] +//sys LocalAlloc(flags uint32, length uint32) (ptr uintptr, err error) +//sys SetHandleInformation(handle Handle, mask uint32, flags uint32) (err error) +//sys FlushFileBuffers(handle Handle) (err error) +//sys GetFullPathName(path *uint16, buflen uint32, buf *uint16, fname **uint16) (n uint32, err error) = kernel32.GetFullPathNameW +//sys GetLongPathName(path *uint16, buf *uint16, buflen uint32) (n uint32, err error) = kernel32.GetLongPathNameW +//sys GetShortPathName(longpath *uint16, shortpath *uint16, buflen uint32) (n uint32, err error) = kernel32.GetShortPathNameW +//sys GetFinalPathNameByHandle(file Handle, filePath *uint16, filePathSize uint32, flags uint32) (n uint32, err error) = kernel32.GetFinalPathNameByHandleW +//sys CreateFileMapping(fhandle Handle, sa *SecurityAttributes, prot uint32, maxSizeHigh uint32, maxSizeLow uint32, name *uint16) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateFileMappingW +//sys MapViewOfFile(handle Handle, access uint32, offsetHigh uint32, offsetLow uint32, length uintptr) (addr uintptr, err error) +//sys UnmapViewOfFile(addr uintptr) (err error) +//sys FlushViewOfFile(addr uintptr, length uintptr) (err error) +//sys VirtualLock(addr uintptr, length uintptr) (err error) +//sys VirtualUnlock(addr uintptr, length uintptr) (err error) +//sys VirtualAlloc(address uintptr, size uintptr, alloctype uint32, protect uint32) (value uintptr, err error) = kernel32.VirtualAlloc +//sys VirtualFree(address uintptr, size uintptr, freetype uint32) (err error) = kernel32.VirtualFree +//sys VirtualProtect(address uintptr, size uintptr, newprotect uint32, oldprotect *uint32) (err error) = kernel32.VirtualProtect +//sys TransmitFile(s Handle, handle Handle, bytesToWrite uint32, bytsPerSend uint32, overlapped *Overlapped, transmitFileBuf *TransmitFileBuffers, flags uint32) (err error) = mswsock.TransmitFile +//sys ReadDirectoryChanges(handle Handle, buf *byte, buflen uint32, watchSubTree bool, mask uint32, retlen *uint32, overlapped *Overlapped, completionRoutine uintptr) (err error) = kernel32.ReadDirectoryChangesW +//sys FindFirstChangeNotification(path string, watchSubtree bool, notifyFilter uint32) (handle Handle, err error) [failretval==InvalidHandle] = kernel32.FindFirstChangeNotificationW +//sys FindNextChangeNotification(handle Handle) (err error) +//sys FindCloseChangeNotification(handle Handle) (err error) +//sys CertOpenSystemStore(hprov Handle, name *uint16) (store Handle, err error) = crypt32.CertOpenSystemStoreW +//sys CertOpenStore(storeProvider uintptr, msgAndCertEncodingType uint32, cryptProv uintptr, flags uint32, para uintptr) (handle Handle, err error) = crypt32.CertOpenStore +//sys CertEnumCertificatesInStore(store Handle, prevContext *CertContext) (context *CertContext, err error) [failretval==nil] = crypt32.CertEnumCertificatesInStore +//sys CertAddCertificateContextToStore(store Handle, certContext *CertContext, addDisposition uint32, storeContext **CertContext) (err error) = crypt32.CertAddCertificateContextToStore +//sys CertCloseStore(store Handle, flags uint32) (err error) = crypt32.CertCloseStore +//sys CertDeleteCertificateFromStore(certContext *CertContext) (err error) = crypt32.CertDeleteCertificateFromStore +//sys CertDuplicateCertificateContext(certContext *CertContext) (dupContext *CertContext) = crypt32.CertDuplicateCertificateContext +//sys PFXImportCertStore(pfx *CryptDataBlob, password *uint16, flags uint32) (store Handle, err error) = crypt32.PFXImportCertStore +//sys CertGetCertificateChain(engine Handle, leaf *CertContext, time *Filetime, additionalStore Handle, para *CertChainPara, flags uint32, reserved uintptr, chainCtx **CertChainContext) (err error) = crypt32.CertGetCertificateChain +//sys CertFreeCertificateChain(ctx *CertChainContext) = crypt32.CertFreeCertificateChain +//sys CertCreateCertificateContext(certEncodingType uint32, certEncoded *byte, encodedLen uint32) (context *CertContext, err error) [failretval==nil] = crypt32.CertCreateCertificateContext +//sys CertFreeCertificateContext(ctx *CertContext) (err error) = crypt32.CertFreeCertificateContext +//sys CertVerifyCertificateChainPolicy(policyOID uintptr, chain *CertChainContext, para *CertChainPolicyPara, status *CertChainPolicyStatus) (err error) = crypt32.CertVerifyCertificateChainPolicy +//sys CertGetNameString(certContext *CertContext, nameType uint32, flags uint32, typePara unsafe.Pointer, name *uint16, size uint32) (chars uint32) = crypt32.CertGetNameStringW +//sys CertFindExtension(objId *byte, countExtensions uint32, extensions *CertExtension) (ret *CertExtension) = crypt32.CertFindExtension +//sys CertFindCertificateInStore(store Handle, certEncodingType uint32, findFlags uint32, findType uint32, findPara unsafe.Pointer, prevCertContext *CertContext) (cert *CertContext, err error) [failretval==nil] = crypt32.CertFindCertificateInStore +//sys CertFindChainInStore(store Handle, certEncodingType uint32, findFlags uint32, findType uint32, findPara unsafe.Pointer, prevChainContext *CertChainContext) (certchain *CertChainContext, err error) [failretval==nil] = crypt32.CertFindChainInStore +//sys CryptAcquireCertificatePrivateKey(cert *CertContext, flags uint32, parameters unsafe.Pointer, cryptProvOrNCryptKey *Handle, keySpec *uint32, callerFreeProvOrNCryptKey *bool) (err error) = crypt32.CryptAcquireCertificatePrivateKey +//sys CryptQueryObject(objectType uint32, object unsafe.Pointer, expectedContentTypeFlags uint32, expectedFormatTypeFlags uint32, flags uint32, msgAndCertEncodingType *uint32, contentType *uint32, formatType *uint32, certStore *Handle, msg *Handle, context *unsafe.Pointer) (err error) = crypt32.CryptQueryObject +//sys CryptDecodeObject(encodingType uint32, structType *byte, encodedBytes *byte, lenEncodedBytes uint32, flags uint32, decoded unsafe.Pointer, decodedLen *uint32) (err error) = crypt32.CryptDecodeObject +//sys CryptProtectData(dataIn *DataBlob, name *uint16, optionalEntropy *DataBlob, reserved uintptr, promptStruct *CryptProtectPromptStruct, flags uint32, dataOut *DataBlob) (err error) = crypt32.CryptProtectData +//sys CryptUnprotectData(dataIn *DataBlob, name **uint16, optionalEntropy *DataBlob, reserved uintptr, promptStruct *CryptProtectPromptStruct, flags uint32, dataOut *DataBlob) (err error) = crypt32.CryptUnprotectData +//sys WinVerifyTrustEx(hwnd HWND, actionId *GUID, data *WinTrustData) (ret error) = wintrust.WinVerifyTrustEx +//sys RegOpenKeyEx(key Handle, subkey *uint16, options uint32, desiredAccess uint32, result *Handle) (regerrno error) = advapi32.RegOpenKeyExW +//sys RegCloseKey(key Handle) (regerrno error) = advapi32.RegCloseKey +//sys RegQueryInfoKey(key Handle, class *uint16, classLen *uint32, reserved *uint32, subkeysLen *uint32, maxSubkeyLen *uint32, maxClassLen *uint32, valuesLen *uint32, maxValueNameLen *uint32, maxValueLen *uint32, saLen *uint32, lastWriteTime *Filetime) (regerrno error) = advapi32.RegQueryInfoKeyW +//sys RegEnumKeyEx(key Handle, index uint32, name *uint16, nameLen *uint32, reserved *uint32, class *uint16, classLen *uint32, lastWriteTime *Filetime) (regerrno error) = advapi32.RegEnumKeyExW +//sys RegQueryValueEx(key Handle, name *uint16, reserved *uint32, valtype *uint32, buf *byte, buflen *uint32) (regerrno error) = advapi32.RegQueryValueExW +//sys RegNotifyChangeKeyValue(key Handle, watchSubtree bool, notifyFilter uint32, event Handle, asynchronous bool) (regerrno error) = advapi32.RegNotifyChangeKeyValue +//sys GetCurrentProcessId() (pid uint32) = kernel32.GetCurrentProcessId +//sys ProcessIdToSessionId(pid uint32, sessionid *uint32) (err error) = kernel32.ProcessIdToSessionId +//sys GetConsoleMode(console Handle, mode *uint32) (err error) = kernel32.GetConsoleMode +//sys SetConsoleMode(console Handle, mode uint32) (err error) = kernel32.SetConsoleMode +//sys GetConsoleScreenBufferInfo(console Handle, info *ConsoleScreenBufferInfo) (err error) = kernel32.GetConsoleScreenBufferInfo +//sys setConsoleCursorPosition(console Handle, position uint32) (err error) = kernel32.SetConsoleCursorPosition +//sys WriteConsole(console Handle, buf *uint16, towrite uint32, written *uint32, reserved *byte) (err error) = kernel32.WriteConsoleW +//sys ReadConsole(console Handle, buf *uint16, toread uint32, read *uint32, inputControl *byte) (err error) = kernel32.ReadConsoleW +//sys CreateToolhelp32Snapshot(flags uint32, processId uint32) (handle Handle, err error) [failretval==InvalidHandle] = kernel32.CreateToolhelp32Snapshot +//sys Process32First(snapshot Handle, procEntry *ProcessEntry32) (err error) = kernel32.Process32FirstW +//sys Process32Next(snapshot Handle, procEntry *ProcessEntry32) (err error) = kernel32.Process32NextW +//sys Thread32First(snapshot Handle, threadEntry *ThreadEntry32) (err error) +//sys Thread32Next(snapshot Handle, threadEntry *ThreadEntry32) (err error) +//sys DeviceIoControl(handle Handle, ioControlCode uint32, inBuffer *byte, inBufferSize uint32, outBuffer *byte, outBufferSize uint32, bytesReturned *uint32, overlapped *Overlapped) (err error) +// This function returns 1 byte BOOLEAN rather than the 4 byte BOOL. +//sys CreateSymbolicLink(symlinkfilename *uint16, targetfilename *uint16, flags uint32) (err error) [failretval&0xff==0] = CreateSymbolicLinkW +//sys CreateHardLink(filename *uint16, existingfilename *uint16, reserved uintptr) (err error) [failretval&0xff==0] = CreateHardLinkW +//sys GetCurrentThreadId() (id uint32) +//sys CreateEvent(eventAttrs *SecurityAttributes, manualReset uint32, initialState uint32, name *uint16) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateEventW +//sys CreateEventEx(eventAttrs *SecurityAttributes, name *uint16, flags uint32, desiredAccess uint32) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateEventExW +//sys OpenEvent(desiredAccess uint32, inheritHandle bool, name *uint16) (handle Handle, err error) = kernel32.OpenEventW +//sys SetEvent(event Handle) (err error) = kernel32.SetEvent +//sys ResetEvent(event Handle) (err error) = kernel32.ResetEvent +//sys PulseEvent(event Handle) (err error) = kernel32.PulseEvent +//sys CreateMutex(mutexAttrs *SecurityAttributes, initialOwner bool, name *uint16) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateMutexW +//sys CreateMutexEx(mutexAttrs *SecurityAttributes, name *uint16, flags uint32, desiredAccess uint32) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateMutexExW +//sys OpenMutex(desiredAccess uint32, inheritHandle bool, name *uint16) (handle Handle, err error) = kernel32.OpenMutexW +//sys ReleaseMutex(mutex Handle) (err error) = kernel32.ReleaseMutex +//sys SleepEx(milliseconds uint32, alertable bool) (ret uint32) = kernel32.SleepEx +//sys CreateJobObject(jobAttr *SecurityAttributes, name *uint16) (handle Handle, err error) = kernel32.CreateJobObjectW +//sys AssignProcessToJobObject(job Handle, process Handle) (err error) = kernel32.AssignProcessToJobObject +//sys TerminateJobObject(job Handle, exitCode uint32) (err error) = kernel32.TerminateJobObject +//sys SetErrorMode(mode uint32) (ret uint32) = kernel32.SetErrorMode +//sys ResumeThread(thread Handle) (ret uint32, err error) [failretval==0xffffffff] = kernel32.ResumeThread +//sys SetPriorityClass(process Handle, priorityClass uint32) (err error) = kernel32.SetPriorityClass +//sys GetPriorityClass(process Handle) (ret uint32, err error) = kernel32.GetPriorityClass +//sys QueryInformationJobObject(job Handle, JobObjectInformationClass int32, JobObjectInformation uintptr, JobObjectInformationLength uint32, retlen *uint32) (err error) = kernel32.QueryInformationJobObject +//sys SetInformationJobObject(job Handle, JobObjectInformationClass uint32, JobObjectInformation uintptr, JobObjectInformationLength uint32) (ret int, err error) +//sys GenerateConsoleCtrlEvent(ctrlEvent uint32, processGroupID uint32) (err error) +//sys GetProcessId(process Handle) (id uint32, err error) +//sys QueryFullProcessImageName(proc Handle, flags uint32, exeName *uint16, size *uint32) (err error) = kernel32.QueryFullProcessImageNameW +//sys OpenThread(desiredAccess uint32, inheritHandle bool, threadId uint32) (handle Handle, err error) +//sys SetProcessPriorityBoost(process Handle, disable bool) (err error) = kernel32.SetProcessPriorityBoost +//sys GetProcessWorkingSetSizeEx(hProcess Handle, lpMinimumWorkingSetSize *uintptr, lpMaximumWorkingSetSize *uintptr, flags *uint32) +//sys SetProcessWorkingSetSizeEx(hProcess Handle, dwMinimumWorkingSetSize uintptr, dwMaximumWorkingSetSize uintptr, flags uint32) (err error) +//sys GetCommTimeouts(handle Handle, timeouts *CommTimeouts) (err error) +//sys SetCommTimeouts(handle Handle, timeouts *CommTimeouts) (err error) + +// Volume Management Functions +//sys DefineDosDevice(flags uint32, deviceName *uint16, targetPath *uint16) (err error) = DefineDosDeviceW +//sys DeleteVolumeMountPoint(volumeMountPoint *uint16) (err error) = DeleteVolumeMountPointW +//sys FindFirstVolume(volumeName *uint16, bufferLength uint32) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstVolumeW +//sys FindFirstVolumeMountPoint(rootPathName *uint16, volumeMountPoint *uint16, bufferLength uint32) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstVolumeMountPointW +//sys FindNextVolume(findVolume Handle, volumeName *uint16, bufferLength uint32) (err error) = FindNextVolumeW +//sys FindNextVolumeMountPoint(findVolumeMountPoint Handle, volumeMountPoint *uint16, bufferLength uint32) (err error) = FindNextVolumeMountPointW +//sys FindVolumeClose(findVolume Handle) (err error) +//sys FindVolumeMountPointClose(findVolumeMountPoint Handle) (err error) +//sys GetDiskFreeSpaceEx(directoryName *uint16, freeBytesAvailableToCaller *uint64, totalNumberOfBytes *uint64, totalNumberOfFreeBytes *uint64) (err error) = GetDiskFreeSpaceExW +//sys GetDriveType(rootPathName *uint16) (driveType uint32) = GetDriveTypeW +//sys GetLogicalDrives() (drivesBitMask uint32, err error) [failretval==0] +//sys GetLogicalDriveStrings(bufferLength uint32, buffer *uint16) (n uint32, err error) [failretval==0] = GetLogicalDriveStringsW +//sys GetVolumeInformation(rootPathName *uint16, volumeNameBuffer *uint16, volumeNameSize uint32, volumeNameSerialNumber *uint32, maximumComponentLength *uint32, fileSystemFlags *uint32, fileSystemNameBuffer *uint16, fileSystemNameSize uint32) (err error) = GetVolumeInformationW +//sys GetVolumeInformationByHandle(file Handle, volumeNameBuffer *uint16, volumeNameSize uint32, volumeNameSerialNumber *uint32, maximumComponentLength *uint32, fileSystemFlags *uint32, fileSystemNameBuffer *uint16, fileSystemNameSize uint32) (err error) = GetVolumeInformationByHandleW +//sys GetVolumeNameForVolumeMountPoint(volumeMountPoint *uint16, volumeName *uint16, bufferlength uint32) (err error) = GetVolumeNameForVolumeMountPointW +//sys GetVolumePathName(fileName *uint16, volumePathName *uint16, bufferLength uint32) (err error) = GetVolumePathNameW +//sys GetVolumePathNamesForVolumeName(volumeName *uint16, volumePathNames *uint16, bufferLength uint32, returnLength *uint32) (err error) = GetVolumePathNamesForVolumeNameW +//sys QueryDosDevice(deviceName *uint16, targetPath *uint16, max uint32) (n uint32, err error) [failretval==0] = QueryDosDeviceW +//sys SetVolumeLabel(rootPathName *uint16, volumeName *uint16) (err error) = SetVolumeLabelW +//sys SetVolumeMountPoint(volumeMountPoint *uint16, volumeName *uint16) (err error) = SetVolumeMountPointW +//sys InitiateSystemShutdownEx(machineName *uint16, message *uint16, timeout uint32, forceAppsClosed bool, rebootAfterShutdown bool, reason uint32) (err error) = advapi32.InitiateSystemShutdownExW +//sys SetProcessShutdownParameters(level uint32, flags uint32) (err error) = kernel32.SetProcessShutdownParameters +//sys GetProcessShutdownParameters(level *uint32, flags *uint32) (err error) = kernel32.GetProcessShutdownParameters +//sys clsidFromString(lpsz *uint16, pclsid *GUID) (ret error) = ole32.CLSIDFromString +//sys stringFromGUID2(rguid *GUID, lpsz *uint16, cchMax int32) (chars int32) = ole32.StringFromGUID2 +//sys coCreateGuid(pguid *GUID) (ret error) = ole32.CoCreateGuid +//sys CoTaskMemFree(address unsafe.Pointer) = ole32.CoTaskMemFree +//sys CoInitializeEx(reserved uintptr, coInit uint32) (ret error) = ole32.CoInitializeEx +//sys CoUninitialize() = ole32.CoUninitialize +//sys CoGetObject(name *uint16, bindOpts *BIND_OPTS3, guid *GUID, functionTable **uintptr) (ret error) = ole32.CoGetObject +//sys getProcessPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetProcessPreferredUILanguages +//sys getThreadPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetThreadPreferredUILanguages +//sys getUserPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetUserPreferredUILanguages +//sys getSystemPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetSystemPreferredUILanguages +//sys findResource(module Handle, name uintptr, resType uintptr) (resInfo Handle, err error) = kernel32.FindResourceW +//sys SizeofResource(module Handle, resInfo Handle) (size uint32, err error) = kernel32.SizeofResource +//sys LoadResource(module Handle, resInfo Handle) (resData Handle, err error) = kernel32.LoadResource +//sys LockResource(resData Handle) (addr uintptr, err error) = kernel32.LockResource + +// Process Status API (PSAPI) +//sys EnumProcesses(processIds []uint32, bytesReturned *uint32) (err error) = psapi.EnumProcesses + +// NT Native APIs +//sys rtlNtStatusToDosErrorNoTeb(ntstatus NTStatus) (ret syscall.Errno) = ntdll.RtlNtStatusToDosErrorNoTeb +//sys rtlGetVersion(info *OsVersionInfoEx) (ntstatus error) = ntdll.RtlGetVersion +//sys rtlGetNtVersionNumbers(majorVersion *uint32, minorVersion *uint32, buildNumber *uint32) = ntdll.RtlGetNtVersionNumbers +//sys RtlGetCurrentPeb() (peb *PEB) = ntdll.RtlGetCurrentPeb +//sys RtlInitUnicodeString(destinationString *NTUnicodeString, sourceString *uint16) = ntdll.RtlInitUnicodeString +//sys RtlInitString(destinationString *NTString, sourceString *byte) = ntdll.RtlInitString +//sys NtCreateFile(handle *Handle, access uint32, oa *OBJECT_ATTRIBUTES, iosb *IO_STATUS_BLOCK, allocationSize *int64, attributes uint32, share uint32, disposition uint32, options uint32, eabuffer uintptr, ealength uint32) (ntstatus error) = ntdll.NtCreateFile +//sys NtCreateNamedPipeFile(pipe *Handle, access uint32, oa *OBJECT_ATTRIBUTES, iosb *IO_STATUS_BLOCK, share uint32, disposition uint32, options uint32, typ uint32, readMode uint32, completionMode uint32, maxInstances uint32, inboundQuota uint32, outputQuota uint32, timeout *int64) (ntstatus error) = ntdll.NtCreateNamedPipeFile +//sys RtlDosPathNameToNtPathName(dosName *uint16, ntName *NTUnicodeString, ntFileNamePart *uint16, relativeName *RTL_RELATIVE_NAME) (ntstatus error) = ntdll.RtlDosPathNameToNtPathName_U_WithStatus +//sys RtlDosPathNameToRelativeNtPathName(dosName *uint16, ntName *NTUnicodeString, ntFileNamePart *uint16, relativeName *RTL_RELATIVE_NAME) (ntstatus error) = ntdll.RtlDosPathNameToRelativeNtPathName_U_WithStatus +//sys RtlDefaultNpAcl(acl **ACL) (ntstatus error) = ntdll.RtlDefaultNpAcl +//sys NtQueryInformationProcess(proc Handle, procInfoClass int32, procInfo unsafe.Pointer, procInfoLen uint32, retLen *uint32) (ntstatus error) = ntdll.NtQueryInformationProcess +//sys NtSetInformationProcess(proc Handle, procInfoClass int32, procInfo unsafe.Pointer, procInfoLen uint32) (ntstatus error) = ntdll.NtSetInformationProcess + +// syscall interface implementation for other packages + +// GetCurrentProcess returns the handle for the current process. +// It is a pseudo handle that does not need to be closed. +// The returned error is always nil. +// +// Deprecated: use CurrentProcess for the same Handle without the nil +// error. +func GetCurrentProcess() (Handle, error) { + return CurrentProcess(), nil +} + +// CurrentProcess returns the handle for the current process. +// It is a pseudo handle that does not need to be closed. +func CurrentProcess() Handle { return Handle(^uintptr(1 - 1)) } + +// GetCurrentThread returns the handle for the current thread. +// It is a pseudo handle that does not need to be closed. +// The returned error is always nil. +// +// Deprecated: use CurrentThread for the same Handle without the nil +// error. +func GetCurrentThread() (Handle, error) { + return CurrentThread(), nil +} + +// CurrentThread returns the handle for the current thread. +// It is a pseudo handle that does not need to be closed. +func CurrentThread() Handle { return Handle(^uintptr(2 - 1)) } + +// GetProcAddressByOrdinal retrieves the address of the exported +// function from module by ordinal. +func GetProcAddressByOrdinal(module Handle, ordinal uintptr) (proc uintptr, err error) { + r0, _, e1 := syscall.Syscall(procGetProcAddress.Addr(), 2, uintptr(module), ordinal, 0) + proc = uintptr(r0) + if proc == 0 { + err = errnoErr(e1) + } + return +} + +func Exit(code int) { ExitProcess(uint32(code)) } + +func makeInheritSa() *SecurityAttributes { + var sa SecurityAttributes + sa.Length = uint32(unsafe.Sizeof(sa)) + sa.InheritHandle = 1 + return &sa +} + +func Open(path string, mode int, perm uint32) (fd Handle, err error) { + if len(path) == 0 { + return InvalidHandle, ERROR_FILE_NOT_FOUND + } + pathp, err := UTF16PtrFromString(path) + if err != nil { + return InvalidHandle, err + } + var access uint32 + switch mode & (O_RDONLY | O_WRONLY | O_RDWR) { + case O_RDONLY: + access = GENERIC_READ + case O_WRONLY: + access = GENERIC_WRITE + case O_RDWR: + access = GENERIC_READ | GENERIC_WRITE + } + if mode&O_CREAT != 0 { + access |= GENERIC_WRITE + } + if mode&O_APPEND != 0 { + access &^= GENERIC_WRITE + access |= FILE_APPEND_DATA + } + sharemode := uint32(FILE_SHARE_READ | FILE_SHARE_WRITE) + var sa *SecurityAttributes + if mode&O_CLOEXEC == 0 { + sa = makeInheritSa() + } + var createmode uint32 + switch { + case mode&(O_CREAT|O_EXCL) == (O_CREAT | O_EXCL): + createmode = CREATE_NEW + case mode&(O_CREAT|O_TRUNC) == (O_CREAT | O_TRUNC): + createmode = CREATE_ALWAYS + case mode&O_CREAT == O_CREAT: + createmode = OPEN_ALWAYS + case mode&O_TRUNC == O_TRUNC: + createmode = TRUNCATE_EXISTING + default: + createmode = OPEN_EXISTING + } + var attrs uint32 = FILE_ATTRIBUTE_NORMAL + if perm&S_IWRITE == 0 { + attrs = FILE_ATTRIBUTE_READONLY + } + h, e := CreateFile(pathp, access, sharemode, sa, createmode, attrs, 0) + return h, e +} + +func Read(fd Handle, p []byte) (n int, err error) { + var done uint32 + e := ReadFile(fd, p, &done, nil) + if e != nil { + if e == ERROR_BROKEN_PIPE { + // NOTE(brainman): work around ERROR_BROKEN_PIPE is returned on reading EOF from stdin + return 0, nil + } + return 0, e + } + if raceenabled { + if done > 0 { + raceWriteRange(unsafe.Pointer(&p[0]), int(done)) + } + raceAcquire(unsafe.Pointer(&ioSync)) + } + return int(done), nil +} + +func Write(fd Handle, p []byte) (n int, err error) { + if raceenabled { + raceReleaseMerge(unsafe.Pointer(&ioSync)) + } + var done uint32 + e := WriteFile(fd, p, &done, nil) + if e != nil { + return 0, e + } + if raceenabled && done > 0 { + raceReadRange(unsafe.Pointer(&p[0]), int(done)) + } + return int(done), nil +} + +var ioSync int64 + +func Seek(fd Handle, offset int64, whence int) (newoffset int64, err error) { + var w uint32 + switch whence { + case 0: + w = FILE_BEGIN + case 1: + w = FILE_CURRENT + case 2: + w = FILE_END + } + hi := int32(offset >> 32) + lo := int32(offset) + // use GetFileType to check pipe, pipe can't do seek + ft, _ := GetFileType(fd) + if ft == FILE_TYPE_PIPE { + return 0, syscall.EPIPE + } + rlo, e := SetFilePointer(fd, lo, &hi, w) + if e != nil { + return 0, e + } + return int64(hi)<<32 + int64(rlo), nil +} + +func Close(fd Handle) (err error) { + return CloseHandle(fd) +} + +var ( + Stdin = getStdHandle(STD_INPUT_HANDLE) + Stdout = getStdHandle(STD_OUTPUT_HANDLE) + Stderr = getStdHandle(STD_ERROR_HANDLE) +) + +func getStdHandle(stdhandle uint32) (fd Handle) { + r, _ := GetStdHandle(stdhandle) + CloseOnExec(r) + return r +} + +const ImplementsGetwd = true + +func Getwd() (wd string, err error) { + b := make([]uint16, 300) + n, e := GetCurrentDirectory(uint32(len(b)), &b[0]) + if e != nil { + return "", e + } + return string(utf16.Decode(b[0:n])), nil +} + +func Chdir(path string) (err error) { + pathp, err := UTF16PtrFromString(path) + if err != nil { + return err + } + return SetCurrentDirectory(pathp) +} + +func Mkdir(path string, mode uint32) (err error) { + pathp, err := UTF16PtrFromString(path) + if err != nil { + return err + } + return CreateDirectory(pathp, nil) +} + +func Rmdir(path string) (err error) { + pathp, err := UTF16PtrFromString(path) + if err != nil { + return err + } + return RemoveDirectory(pathp) +} + +func Unlink(path string) (err error) { + pathp, err := UTF16PtrFromString(path) + if err != nil { + return err + } + return DeleteFile(pathp) +} + +func Rename(oldpath, newpath string) (err error) { + from, err := UTF16PtrFromString(oldpath) + if err != nil { + return err + } + to, err := UTF16PtrFromString(newpath) + if err != nil { + return err + } + return MoveFileEx(from, to, MOVEFILE_REPLACE_EXISTING) +} + +func ComputerName() (name string, err error) { + var n uint32 = MAX_COMPUTERNAME_LENGTH + 1 + b := make([]uint16, n) + e := GetComputerName(&b[0], &n) + if e != nil { + return "", e + } + return string(utf16.Decode(b[0:n])), nil +} + +func DurationSinceBoot() time.Duration { + return time.Duration(getTickCount64()) * time.Millisecond +} + +func Ftruncate(fd Handle, length int64) (err error) { + curoffset, e := Seek(fd, 0, 1) + if e != nil { + return e + } + defer Seek(fd, curoffset, 0) + _, e = Seek(fd, length, 0) + if e != nil { + return e + } + e = SetEndOfFile(fd) + if e != nil { + return e + } + return nil +} + +func Gettimeofday(tv *Timeval) (err error) { + var ft Filetime + GetSystemTimeAsFileTime(&ft) + *tv = NsecToTimeval(ft.Nanoseconds()) + return nil +} + +func Pipe(p []Handle) (err error) { + if len(p) != 2 { + return syscall.EINVAL + } + var r, w Handle + e := CreatePipe(&r, &w, makeInheritSa(), 0) + if e != nil { + return e + } + p[0] = r + p[1] = w + return nil +} + +func Utimes(path string, tv []Timeval) (err error) { + if len(tv) != 2 { + return syscall.EINVAL + } + pathp, e := UTF16PtrFromString(path) + if e != nil { + return e + } + h, e := CreateFile(pathp, + FILE_WRITE_ATTRIBUTES, FILE_SHARE_WRITE, nil, + OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0) + if e != nil { + return e + } + defer Close(h) + a := NsecToFiletime(tv[0].Nanoseconds()) + w := NsecToFiletime(tv[1].Nanoseconds()) + return SetFileTime(h, nil, &a, &w) +} + +func UtimesNano(path string, ts []Timespec) (err error) { + if len(ts) != 2 { + return syscall.EINVAL + } + pathp, e := UTF16PtrFromString(path) + if e != nil { + return e + } + h, e := CreateFile(pathp, + FILE_WRITE_ATTRIBUTES, FILE_SHARE_WRITE, nil, + OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0) + if e != nil { + return e + } + defer Close(h) + a := NsecToFiletime(TimespecToNsec(ts[0])) + w := NsecToFiletime(TimespecToNsec(ts[1])) + return SetFileTime(h, nil, &a, &w) +} + +func Fsync(fd Handle) (err error) { + return FlushFileBuffers(fd) +} + +func Chmod(path string, mode uint32) (err error) { + p, e := UTF16PtrFromString(path) + if e != nil { + return e + } + attrs, e := GetFileAttributes(p) + if e != nil { + return e + } + if mode&S_IWRITE != 0 { + attrs &^= FILE_ATTRIBUTE_READONLY + } else { + attrs |= FILE_ATTRIBUTE_READONLY + } + return SetFileAttributes(p, attrs) +} + +func LoadGetSystemTimePreciseAsFileTime() error { + return procGetSystemTimePreciseAsFileTime.Find() +} + +func LoadCancelIoEx() error { + return procCancelIoEx.Find() +} + +func LoadSetFileCompletionNotificationModes() error { + return procSetFileCompletionNotificationModes.Find() +} + +func WaitForMultipleObjects(handles []Handle, waitAll bool, waitMilliseconds uint32) (event uint32, err error) { + // Every other win32 array API takes arguments as "pointer, count", except for this function. So we + // can't declare it as a usual [] type, because mksyscall will use the opposite order. We therefore + // trivially stub this ourselves. + + var handlePtr *Handle + if len(handles) > 0 { + handlePtr = &handles[0] + } + return waitForMultipleObjects(uint32(len(handles)), uintptr(unsafe.Pointer(handlePtr)), waitAll, waitMilliseconds) +} + +// net api calls + +const socket_error = uintptr(^uint32(0)) + +//sys WSAStartup(verreq uint32, data *WSAData) (sockerr error) = ws2_32.WSAStartup +//sys WSACleanup() (err error) [failretval==socket_error] = ws2_32.WSACleanup +//sys WSAIoctl(s Handle, iocc uint32, inbuf *byte, cbif uint32, outbuf *byte, cbob uint32, cbbr *uint32, overlapped *Overlapped, completionRoutine uintptr) (err error) [failretval==socket_error] = ws2_32.WSAIoctl +//sys socket(af int32, typ int32, protocol int32) (handle Handle, err error) [failretval==InvalidHandle] = ws2_32.socket +//sys sendto(s Handle, buf []byte, flags int32, to unsafe.Pointer, tolen int32) (err error) [failretval==socket_error] = ws2_32.sendto +//sys recvfrom(s Handle, buf []byte, flags int32, from *RawSockaddrAny, fromlen *int32) (n int32, err error) [failretval==-1] = ws2_32.recvfrom +//sys Setsockopt(s Handle, level int32, optname int32, optval *byte, optlen int32) (err error) [failretval==socket_error] = ws2_32.setsockopt +//sys Getsockopt(s Handle, level int32, optname int32, optval *byte, optlen *int32) (err error) [failretval==socket_error] = ws2_32.getsockopt +//sys bind(s Handle, name unsafe.Pointer, namelen int32) (err error) [failretval==socket_error] = ws2_32.bind +//sys connect(s Handle, name unsafe.Pointer, namelen int32) (err error) [failretval==socket_error] = ws2_32.connect +//sys getsockname(s Handle, rsa *RawSockaddrAny, addrlen *int32) (err error) [failretval==socket_error] = ws2_32.getsockname +//sys getpeername(s Handle, rsa *RawSockaddrAny, addrlen *int32) (err error) [failretval==socket_error] = ws2_32.getpeername +//sys listen(s Handle, backlog int32) (err error) [failretval==socket_error] = ws2_32.listen +//sys shutdown(s Handle, how int32) (err error) [failretval==socket_error] = ws2_32.shutdown +//sys Closesocket(s Handle) (err error) [failretval==socket_error] = ws2_32.closesocket +//sys AcceptEx(ls Handle, as Handle, buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, recvd *uint32, overlapped *Overlapped) (err error) = mswsock.AcceptEx +//sys GetAcceptExSockaddrs(buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, lrsa **RawSockaddrAny, lrsalen *int32, rrsa **RawSockaddrAny, rrsalen *int32) = mswsock.GetAcceptExSockaddrs +//sys WSARecv(s Handle, bufs *WSABuf, bufcnt uint32, recvd *uint32, flags *uint32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSARecv +//sys WSASend(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSASend +//sys WSARecvFrom(s Handle, bufs *WSABuf, bufcnt uint32, recvd *uint32, flags *uint32, from *RawSockaddrAny, fromlen *int32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSARecvFrom +//sys WSASendTo(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, to *RawSockaddrAny, tolen int32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSASendTo +//sys WSASocket(af int32, typ int32, protocol int32, protoInfo *WSAProtocolInfo, group uint32, flags uint32) (handle Handle, err error) [failretval==InvalidHandle] = ws2_32.WSASocketW +//sys GetHostByName(name string) (h *Hostent, err error) [failretval==nil] = ws2_32.gethostbyname +//sys GetServByName(name string, proto string) (s *Servent, err error) [failretval==nil] = ws2_32.getservbyname +//sys Ntohs(netshort uint16) (u uint16) = ws2_32.ntohs +//sys GetProtoByName(name string) (p *Protoent, err error) [failretval==nil] = ws2_32.getprotobyname +//sys DnsQuery(name string, qtype uint16, options uint32, extra *byte, qrs **DNSRecord, pr *byte) (status error) = dnsapi.DnsQuery_W +//sys DnsRecordListFree(rl *DNSRecord, freetype uint32) = dnsapi.DnsRecordListFree +//sys DnsNameCompare(name1 *uint16, name2 *uint16) (same bool) = dnsapi.DnsNameCompare_W +//sys GetAddrInfoW(nodename *uint16, servicename *uint16, hints *AddrinfoW, result **AddrinfoW) (sockerr error) = ws2_32.GetAddrInfoW +//sys FreeAddrInfoW(addrinfo *AddrinfoW) = ws2_32.FreeAddrInfoW +//sys GetIfEntry(pIfRow *MibIfRow) (errcode error) = iphlpapi.GetIfEntry +//sys GetAdaptersInfo(ai *IpAdapterInfo, ol *uint32) (errcode error) = iphlpapi.GetAdaptersInfo +//sys SetFileCompletionNotificationModes(handle Handle, flags uint8) (err error) = kernel32.SetFileCompletionNotificationModes +//sys WSAEnumProtocols(protocols *int32, protocolBuffer *WSAProtocolInfo, bufferLength *uint32) (n int32, err error) [failretval==-1] = ws2_32.WSAEnumProtocolsW +//sys WSAGetOverlappedResult(h Handle, o *Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) = ws2_32.WSAGetOverlappedResult +//sys GetAdaptersAddresses(family uint32, flags uint32, reserved uintptr, adapterAddresses *IpAdapterAddresses, sizePointer *uint32) (errcode error) = iphlpapi.GetAdaptersAddresses +//sys GetACP() (acp uint32) = kernel32.GetACP +//sys MultiByteToWideChar(codePage uint32, dwFlags uint32, str *byte, nstr int32, wchar *uint16, nwchar int32) (nwrite int32, err error) = kernel32.MultiByteToWideChar + +// For testing: clients can set this flag to force +// creation of IPv6 sockets to return EAFNOSUPPORT. +var SocketDisableIPv6 bool + +type RawSockaddrInet4 struct { + Family uint16 + Port uint16 + Addr [4]byte /* in_addr */ + Zero [8]uint8 +} + +type RawSockaddrInet6 struct { + Family uint16 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type RawSockaddr struct { + Family uint16 + Data [14]int8 +} + +type RawSockaddrAny struct { + Addr RawSockaddr + Pad [100]int8 +} + +type Sockaddr interface { + sockaddr() (ptr unsafe.Pointer, len int32, err error) // lowercase; only we can define Sockaddrs +} + +type SockaddrInet4 struct { + Port int + Addr [4]byte + raw RawSockaddrInet4 +} + +func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, int32, error) { + if sa.Port < 0 || sa.Port > 0xFFFF { + return nil, 0, syscall.EINVAL + } + sa.raw.Family = AF_INET + p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port)) + p[0] = byte(sa.Port >> 8) + p[1] = byte(sa.Port) + for i := 0; i < len(sa.Addr); i++ { + sa.raw.Addr[i] = sa.Addr[i] + } + return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil +} + +type SockaddrInet6 struct { + Port int + ZoneId uint32 + Addr [16]byte + raw RawSockaddrInet6 +} + +func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, int32, error) { + if sa.Port < 0 || sa.Port > 0xFFFF { + return nil, 0, syscall.EINVAL + } + sa.raw.Family = AF_INET6 + p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port)) + p[0] = byte(sa.Port >> 8) + p[1] = byte(sa.Port) + sa.raw.Scope_id = sa.ZoneId + for i := 0; i < len(sa.Addr); i++ { + sa.raw.Addr[i] = sa.Addr[i] + } + return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil +} + +type RawSockaddrUnix struct { + Family uint16 + Path [UNIX_PATH_MAX]int8 +} + +type SockaddrUnix struct { + Name string + raw RawSockaddrUnix +} + +func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, int32, error) { + name := sa.Name + n := len(name) + if n > len(sa.raw.Path) { + return nil, 0, syscall.EINVAL + } + if n == len(sa.raw.Path) && name[0] != '@' { + return nil, 0, syscall.EINVAL + } + sa.raw.Family = AF_UNIX + for i := 0; i < n; i++ { + sa.raw.Path[i] = int8(name[i]) + } + // length is family (uint16), name, NUL. + sl := int32(2) + if n > 0 { + sl += int32(n) + 1 + } + if sa.raw.Path[0] == '@' { + sa.raw.Path[0] = 0 + // Don't count trailing NUL for abstract address. + sl-- + } + + return unsafe.Pointer(&sa.raw), sl, nil +} + +func (rsa *RawSockaddrAny) Sockaddr() (Sockaddr, error) { + switch rsa.Addr.Family { + case AF_UNIX: + pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa)) + sa := new(SockaddrUnix) + if pp.Path[0] == 0 { + // "Abstract" Unix domain socket. + // Rewrite leading NUL as @ for textual display. + // (This is the standard convention.) + // Not friendly to overwrite in place, + // but the callers below don't care. + pp.Path[0] = '@' + } + + // Assume path ends at NUL. + // This is not technically the Linux semantics for + // abstract Unix domain sockets--they are supposed + // to be uninterpreted fixed-size binary blobs--but + // everyone uses this convention. + n := 0 + for n < len(pp.Path) && pp.Path[n] != 0 { + n++ + } + bytes := (*[len(pp.Path)]byte)(unsafe.Pointer(&pp.Path[0]))[0:n] + sa.Name = string(bytes) + return sa, nil + + case AF_INET: + pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa)) + sa := new(SockaddrInet4) + p := (*[2]byte)(unsafe.Pointer(&pp.Port)) + sa.Port = int(p[0])<<8 + int(p[1]) + for i := 0; i < len(sa.Addr); i++ { + sa.Addr[i] = pp.Addr[i] + } + return sa, nil + + case AF_INET6: + pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa)) + sa := new(SockaddrInet6) + p := (*[2]byte)(unsafe.Pointer(&pp.Port)) + sa.Port = int(p[0])<<8 + int(p[1]) + sa.ZoneId = pp.Scope_id + for i := 0; i < len(sa.Addr); i++ { + sa.Addr[i] = pp.Addr[i] + } + return sa, nil + } + return nil, syscall.EAFNOSUPPORT +} + +func Socket(domain, typ, proto int) (fd Handle, err error) { + if domain == AF_INET6 && SocketDisableIPv6 { + return InvalidHandle, syscall.EAFNOSUPPORT + } + return socket(int32(domain), int32(typ), int32(proto)) +} + +func SetsockoptInt(fd Handle, level, opt int, value int) (err error) { + v := int32(value) + return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&v)), int32(unsafe.Sizeof(v))) +} + +func Bind(fd Handle, sa Sockaddr) (err error) { + ptr, n, err := sa.sockaddr() + if err != nil { + return err + } + return bind(fd, ptr, n) +} + +func Connect(fd Handle, sa Sockaddr) (err error) { + ptr, n, err := sa.sockaddr() + if err != nil { + return err + } + return connect(fd, ptr, n) +} + +func Getsockname(fd Handle) (sa Sockaddr, err error) { + var rsa RawSockaddrAny + l := int32(unsafe.Sizeof(rsa)) + if err = getsockname(fd, &rsa, &l); err != nil { + return + } + return rsa.Sockaddr() +} + +func Getpeername(fd Handle) (sa Sockaddr, err error) { + var rsa RawSockaddrAny + l := int32(unsafe.Sizeof(rsa)) + if err = getpeername(fd, &rsa, &l); err != nil { + return + } + return rsa.Sockaddr() +} + +func Listen(s Handle, n int) (err error) { + return listen(s, int32(n)) +} + +func Shutdown(fd Handle, how int) (err error) { + return shutdown(fd, int32(how)) +} + +func WSASendto(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, to Sockaddr, overlapped *Overlapped, croutine *byte) (err error) { + rsa, l, err := to.sockaddr() + if err != nil { + return err + } + return WSASendTo(s, bufs, bufcnt, sent, flags, (*RawSockaddrAny)(unsafe.Pointer(rsa)), l, overlapped, croutine) +} + +func LoadGetAddrInfo() error { + return procGetAddrInfoW.Find() +} + +var connectExFunc struct { + once sync.Once + addr uintptr + err error +} + +func LoadConnectEx() error { + connectExFunc.once.Do(func() { + var s Handle + s, connectExFunc.err = Socket(AF_INET, SOCK_STREAM, IPPROTO_TCP) + if connectExFunc.err != nil { + return + } + defer CloseHandle(s) + var n uint32 + connectExFunc.err = WSAIoctl(s, + SIO_GET_EXTENSION_FUNCTION_POINTER, + (*byte)(unsafe.Pointer(&WSAID_CONNECTEX)), + uint32(unsafe.Sizeof(WSAID_CONNECTEX)), + (*byte)(unsafe.Pointer(&connectExFunc.addr)), + uint32(unsafe.Sizeof(connectExFunc.addr)), + &n, nil, 0) + }) + return connectExFunc.err +} + +func connectEx(s Handle, name unsafe.Pointer, namelen int32, sendBuf *byte, sendDataLen uint32, bytesSent *uint32, overlapped *Overlapped) (err error) { + r1, _, e1 := syscall.Syscall9(connectExFunc.addr, 7, uintptr(s), uintptr(name), uintptr(namelen), uintptr(unsafe.Pointer(sendBuf)), uintptr(sendDataLen), uintptr(unsafe.Pointer(bytesSent)), uintptr(unsafe.Pointer(overlapped)), 0, 0) + if r1 == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func ConnectEx(fd Handle, sa Sockaddr, sendBuf *byte, sendDataLen uint32, bytesSent *uint32, overlapped *Overlapped) error { + err := LoadConnectEx() + if err != nil { + return errorspkg.New("failed to find ConnectEx: " + err.Error()) + } + ptr, n, err := sa.sockaddr() + if err != nil { + return err + } + return connectEx(fd, ptr, n, sendBuf, sendDataLen, bytesSent, overlapped) +} + +var sendRecvMsgFunc struct { + once sync.Once + sendAddr uintptr + recvAddr uintptr + err error +} + +func loadWSASendRecvMsg() error { + sendRecvMsgFunc.once.Do(func() { + var s Handle + s, sendRecvMsgFunc.err = Socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP) + if sendRecvMsgFunc.err != nil { + return + } + defer CloseHandle(s) + var n uint32 + sendRecvMsgFunc.err = WSAIoctl(s, + SIO_GET_EXTENSION_FUNCTION_POINTER, + (*byte)(unsafe.Pointer(&WSAID_WSARECVMSG)), + uint32(unsafe.Sizeof(WSAID_WSARECVMSG)), + (*byte)(unsafe.Pointer(&sendRecvMsgFunc.recvAddr)), + uint32(unsafe.Sizeof(sendRecvMsgFunc.recvAddr)), + &n, nil, 0) + if sendRecvMsgFunc.err != nil { + return + } + sendRecvMsgFunc.err = WSAIoctl(s, + SIO_GET_EXTENSION_FUNCTION_POINTER, + (*byte)(unsafe.Pointer(&WSAID_WSASENDMSG)), + uint32(unsafe.Sizeof(WSAID_WSASENDMSG)), + (*byte)(unsafe.Pointer(&sendRecvMsgFunc.sendAddr)), + uint32(unsafe.Sizeof(sendRecvMsgFunc.sendAddr)), + &n, nil, 0) + }) + return sendRecvMsgFunc.err +} + +func WSASendMsg(fd Handle, msg *WSAMsg, flags uint32, bytesSent *uint32, overlapped *Overlapped, croutine *byte) error { + err := loadWSASendRecvMsg() + if err != nil { + return err + } + r1, _, e1 := syscall.Syscall6(sendRecvMsgFunc.sendAddr, 6, uintptr(fd), uintptr(unsafe.Pointer(msg)), uintptr(flags), uintptr(unsafe.Pointer(bytesSent)), uintptr(unsafe.Pointer(overlapped)), uintptr(unsafe.Pointer(croutine))) + if r1 == socket_error { + err = errnoErr(e1) + } + return err +} + +func WSARecvMsg(fd Handle, msg *WSAMsg, bytesReceived *uint32, overlapped *Overlapped, croutine *byte) error { + err := loadWSASendRecvMsg() + if err != nil { + return err + } + r1, _, e1 := syscall.Syscall6(sendRecvMsgFunc.recvAddr, 5, uintptr(fd), uintptr(unsafe.Pointer(msg)), uintptr(unsafe.Pointer(bytesReceived)), uintptr(unsafe.Pointer(overlapped)), uintptr(unsafe.Pointer(croutine)), 0) + if r1 == socket_error { + err = errnoErr(e1) + } + return err +} + +// Invented structures to support what package os expects. +type Rusage struct { + CreationTime Filetime + ExitTime Filetime + KernelTime Filetime + UserTime Filetime +} + +type WaitStatus struct { + ExitCode uint32 +} + +func (w WaitStatus) Exited() bool { return true } + +func (w WaitStatus) ExitStatus() int { return int(w.ExitCode) } + +func (w WaitStatus) Signal() Signal { return -1 } + +func (w WaitStatus) CoreDump() bool { return false } + +func (w WaitStatus) Stopped() bool { return false } + +func (w WaitStatus) Continued() bool { return false } + +func (w WaitStatus) StopSignal() Signal { return -1 } + +func (w WaitStatus) Signaled() bool { return false } + +func (w WaitStatus) TrapCause() int { return -1 } + +// Timespec is an invented structure on Windows, but here for +// consistency with the corresponding package for other operating systems. +type Timespec struct { + Sec int64 + Nsec int64 +} + +func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } + +func NsecToTimespec(nsec int64) (ts Timespec) { + ts.Sec = nsec / 1e9 + ts.Nsec = nsec % 1e9 + return +} + +// TODO(brainman): fix all needed for net + +func Accept(fd Handle) (nfd Handle, sa Sockaddr, err error) { return 0, nil, syscall.EWINDOWS } + +func Recvfrom(fd Handle, p []byte, flags int) (n int, from Sockaddr, err error) { + var rsa RawSockaddrAny + l := int32(unsafe.Sizeof(rsa)) + n32, err := recvfrom(fd, p, int32(flags), &rsa, &l) + n = int(n32) + if err != nil { + return + } + from, err = rsa.Sockaddr() + return +} + +func Sendto(fd Handle, p []byte, flags int, to Sockaddr) (err error) { + ptr, l, err := to.sockaddr() + if err != nil { + return err + } + return sendto(fd, p, int32(flags), ptr, l) +} + +func SetsockoptTimeval(fd Handle, level, opt int, tv *Timeval) (err error) { return syscall.EWINDOWS } + +// The Linger struct is wrong but we only noticed after Go 1. +// sysLinger is the real system call structure. + +// BUG(brainman): The definition of Linger is not appropriate for direct use +// with Setsockopt and Getsockopt. +// Use SetsockoptLinger instead. + +type Linger struct { + Onoff int32 + Linger int32 +} + +type sysLinger struct { + Onoff uint16 + Linger uint16 +} + +type IPMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type IPv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Interface uint32 +} + +func GetsockoptInt(fd Handle, level, opt int) (int, error) { + v := int32(0) + l := int32(unsafe.Sizeof(v)) + err := Getsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&v)), &l) + return int(v), err +} + +func SetsockoptLinger(fd Handle, level, opt int, l *Linger) (err error) { + sys := sysLinger{Onoff: uint16(l.Onoff), Linger: uint16(l.Linger)} + return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&sys)), int32(unsafe.Sizeof(sys))) +} + +func SetsockoptInet4Addr(fd Handle, level, opt int, value [4]byte) (err error) { + return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&value[0])), 4) +} +func SetsockoptIPMreq(fd Handle, level, opt int, mreq *IPMreq) (err error) { + return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(mreq)), int32(unsafe.Sizeof(*mreq))) +} +func SetsockoptIPv6Mreq(fd Handle, level, opt int, mreq *IPv6Mreq) (err error) { + return syscall.EWINDOWS +} + +func Getpid() (pid int) { return int(GetCurrentProcessId()) } + +func FindFirstFile(name *uint16, data *Win32finddata) (handle Handle, err error) { + // NOTE(rsc): The Win32finddata struct is wrong for the system call: + // the two paths are each one uint16 short. Use the correct struct, + // a win32finddata1, and then copy the results out. + // There is no loss of expressivity here, because the final + // uint16, if it is used, is supposed to be a NUL, and Go doesn't need that. + // For Go 1.1, we might avoid the allocation of win32finddata1 here + // by adding a final Bug [2]uint16 field to the struct and then + // adjusting the fields in the result directly. + var data1 win32finddata1 + handle, err = findFirstFile1(name, &data1) + if err == nil { + copyFindData(data, &data1) + } + return +} + +func FindNextFile(handle Handle, data *Win32finddata) (err error) { + var data1 win32finddata1 + err = findNextFile1(handle, &data1) + if err == nil { + copyFindData(data, &data1) + } + return +} + +func getProcessEntry(pid int) (*ProcessEntry32, error) { + snapshot, err := CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0) + if err != nil { + return nil, err + } + defer CloseHandle(snapshot) + var procEntry ProcessEntry32 + procEntry.Size = uint32(unsafe.Sizeof(procEntry)) + if err = Process32First(snapshot, &procEntry); err != nil { + return nil, err + } + for { + if procEntry.ProcessID == uint32(pid) { + return &procEntry, nil + } + err = Process32Next(snapshot, &procEntry) + if err != nil { + return nil, err + } + } +} + +func Getppid() (ppid int) { + pe, err := getProcessEntry(Getpid()) + if err != nil { + return -1 + } + return int(pe.ParentProcessID) +} + +// TODO(brainman): fix all needed for os +func Fchdir(fd Handle) (err error) { return syscall.EWINDOWS } +func Link(oldpath, newpath string) (err error) { return syscall.EWINDOWS } +func Symlink(path, link string) (err error) { return syscall.EWINDOWS } + +func Fchmod(fd Handle, mode uint32) (err error) { return syscall.EWINDOWS } +func Chown(path string, uid int, gid int) (err error) { return syscall.EWINDOWS } +func Lchown(path string, uid int, gid int) (err error) { return syscall.EWINDOWS } +func Fchown(fd Handle, uid int, gid int) (err error) { return syscall.EWINDOWS } + +func Getuid() (uid int) { return -1 } +func Geteuid() (euid int) { return -1 } +func Getgid() (gid int) { return -1 } +func Getegid() (egid int) { return -1 } +func Getgroups() (gids []int, err error) { return nil, syscall.EWINDOWS } + +type Signal int + +func (s Signal) Signal() {} + +func (s Signal) String() string { + if 0 <= s && int(s) < len(signals) { + str := signals[s] + if str != "" { + return str + } + } + return "signal " + itoa(int(s)) +} + +func LoadCreateSymbolicLink() error { + return procCreateSymbolicLinkW.Find() +} + +// Readlink returns the destination of the named symbolic link. +func Readlink(path string, buf []byte) (n int, err error) { + fd, err := CreateFile(StringToUTF16Ptr(path), GENERIC_READ, 0, nil, OPEN_EXISTING, + FILE_FLAG_OPEN_REPARSE_POINT|FILE_FLAG_BACKUP_SEMANTICS, 0) + if err != nil { + return -1, err + } + defer CloseHandle(fd) + + rdbbuf := make([]byte, MAXIMUM_REPARSE_DATA_BUFFER_SIZE) + var bytesReturned uint32 + err = DeviceIoControl(fd, FSCTL_GET_REPARSE_POINT, nil, 0, &rdbbuf[0], uint32(len(rdbbuf)), &bytesReturned, nil) + if err != nil { + return -1, err + } + + rdb := (*reparseDataBuffer)(unsafe.Pointer(&rdbbuf[0])) + var s string + switch rdb.ReparseTag { + case IO_REPARSE_TAG_SYMLINK: + data := (*symbolicLinkReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer)) + p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0])) + s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2]) + case IO_REPARSE_TAG_MOUNT_POINT: + data := (*mountPointReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer)) + p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0])) + s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2]) + default: + // the path is not a symlink or junction but another type of reparse + // point + return -1, syscall.ENOENT + } + n = copy(buf, []byte(s)) + + return n, nil +} + +// GUIDFromString parses a string in the form of +// "{XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}" into a GUID. +func GUIDFromString(str string) (GUID, error) { + guid := GUID{} + str16, err := syscall.UTF16PtrFromString(str) + if err != nil { + return guid, err + } + err = clsidFromString(str16, &guid) + if err != nil { + return guid, err + } + return guid, nil +} + +// GenerateGUID creates a new random GUID. +func GenerateGUID() (GUID, error) { + guid := GUID{} + err := coCreateGuid(&guid) + if err != nil { + return guid, err + } + return guid, nil +} + +// String returns the canonical string form of the GUID, +// in the form of "{XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}". +func (guid GUID) String() string { + var str [100]uint16 + chars := stringFromGUID2(&guid, &str[0], int32(len(str))) + if chars <= 1 { + return "" + } + return string(utf16.Decode(str[:chars-1])) +} + +// KnownFolderPath returns a well-known folder path for the current user, specified by one of +// the FOLDERID_ constants, and chosen and optionally created based on a KF_ flag. +func KnownFolderPath(folderID *KNOWNFOLDERID, flags uint32) (string, error) { + return Token(0).KnownFolderPath(folderID, flags) +} + +// KnownFolderPath returns a well-known folder path for the user token, specified by one of +// the FOLDERID_ constants, and chosen and optionally created based on a KF_ flag. +func (t Token) KnownFolderPath(folderID *KNOWNFOLDERID, flags uint32) (string, error) { + var p *uint16 + err := shGetKnownFolderPath(folderID, flags, t, &p) + if err != nil { + return "", err + } + defer CoTaskMemFree(unsafe.Pointer(p)) + return UTF16PtrToString(p), nil +} + +// RtlGetVersion returns the version of the underlying operating system, ignoring +// manifest semantics but is affected by the application compatibility layer. +func RtlGetVersion() *OsVersionInfoEx { + info := &OsVersionInfoEx{} + info.osVersionInfoSize = uint32(unsafe.Sizeof(*info)) + // According to documentation, this function always succeeds. + // The function doesn't even check the validity of the + // osVersionInfoSize member. Disassembling ntdll.dll indicates + // that the documentation is indeed correct about that. + _ = rtlGetVersion(info) + return info +} + +// RtlGetNtVersionNumbers returns the version of the underlying operating system, +// ignoring manifest semantics and the application compatibility layer. +func RtlGetNtVersionNumbers() (majorVersion, minorVersion, buildNumber uint32) { + rtlGetNtVersionNumbers(&majorVersion, &minorVersion, &buildNumber) + buildNumber &= 0xffff + return +} + +// GetProcessPreferredUILanguages retrieves the process preferred UI languages. +func GetProcessPreferredUILanguages(flags uint32) ([]string, error) { + return getUILanguages(flags, getProcessPreferredUILanguages) +} + +// GetThreadPreferredUILanguages retrieves the thread preferred UI languages for the current thread. +func GetThreadPreferredUILanguages(flags uint32) ([]string, error) { + return getUILanguages(flags, getThreadPreferredUILanguages) +} + +// GetUserPreferredUILanguages retrieves information about the user preferred UI languages. +func GetUserPreferredUILanguages(flags uint32) ([]string, error) { + return getUILanguages(flags, getUserPreferredUILanguages) +} + +// GetSystemPreferredUILanguages retrieves the system preferred UI languages. +func GetSystemPreferredUILanguages(flags uint32) ([]string, error) { + return getUILanguages(flags, getSystemPreferredUILanguages) +} + +func getUILanguages(flags uint32, f func(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) error) ([]string, error) { + size := uint32(128) + for { + var numLanguages uint32 + buf := make([]uint16, size) + err := f(flags, &numLanguages, &buf[0], &size) + if err == ERROR_INSUFFICIENT_BUFFER { + continue + } + if err != nil { + return nil, err + } + buf = buf[:size] + if numLanguages == 0 || len(buf) == 0 { // GetProcessPreferredUILanguages may return numLanguages==0 with "\0\0" + return []string{}, nil + } + if buf[len(buf)-1] == 0 { + buf = buf[:len(buf)-1] // remove terminating null + } + languages := make([]string, 0, numLanguages) + from := 0 + for i, c := range buf { + if c == 0 { + languages = append(languages, string(utf16.Decode(buf[from:i]))) + from = i + 1 + } + } + return languages, nil + } +} + +func SetConsoleCursorPosition(console Handle, position Coord) error { + return setConsoleCursorPosition(console, *((*uint32)(unsafe.Pointer(&position)))) +} + +func (s NTStatus) Errno() syscall.Errno { + return rtlNtStatusToDosErrorNoTeb(s) +} + +func langID(pri, sub uint16) uint32 { return uint32(sub)<<10 | uint32(pri) } + +func (s NTStatus) Error() string { + b := make([]uint16, 300) + n, err := FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_FROM_HMODULE|FORMAT_MESSAGE_ARGUMENT_ARRAY, modntdll.Handle(), uint32(s), langID(LANG_ENGLISH, SUBLANG_ENGLISH_US), b, nil) + if err != nil { + return fmt.Sprintf("NTSTATUS 0x%08x", uint32(s)) + } + // trim terminating \r and \n + for ; n > 0 && (b[n-1] == '\n' || b[n-1] == '\r'); n-- { + } + return string(utf16.Decode(b[:n])) +} + +// NewNTUnicodeString returns a new NTUnicodeString structure for use with native +// NT APIs that work over the NTUnicodeString type. Note that most Windows APIs +// do not use NTUnicodeString, and instead UTF16PtrFromString should be used for +// the more common *uint16 string type. +func NewNTUnicodeString(s string) (*NTUnicodeString, error) { + var u NTUnicodeString + s16, err := UTF16PtrFromString(s) + if err != nil { + return nil, err + } + RtlInitUnicodeString(&u, s16) + return &u, nil +} + +// Slice returns a uint16 slice that aliases the data in the NTUnicodeString. +func (s *NTUnicodeString) Slice() []uint16 { + var slice []uint16 + hdr := (*unsafeheader.Slice)(unsafe.Pointer(&slice)) + hdr.Data = unsafe.Pointer(s.Buffer) + hdr.Len = int(s.Length) + hdr.Cap = int(s.MaximumLength) + return slice +} + +func (s *NTUnicodeString) String() string { + return UTF16ToString(s.Slice()) +} + +// NewNTString returns a new NTString structure for use with native +// NT APIs that work over the NTString type. Note that most Windows APIs +// do not use NTString, and instead UTF16PtrFromString should be used for +// the more common *uint16 string type. +func NewNTString(s string) (*NTString, error) { + var nts NTString + s8, err := BytePtrFromString(s) + if err != nil { + return nil, err + } + RtlInitString(&nts, s8) + return &nts, nil +} + +// Slice returns a byte slice that aliases the data in the NTString. +func (s *NTString) Slice() []byte { + var slice []byte + hdr := (*unsafeheader.Slice)(unsafe.Pointer(&slice)) + hdr.Data = unsafe.Pointer(s.Buffer) + hdr.Len = int(s.Length) + hdr.Cap = int(s.MaximumLength) + return slice +} + +func (s *NTString) String() string { + return ByteSliceToString(s.Slice()) +} + +// FindResource resolves a resource of the given name and resource type. +func FindResource(module Handle, name, resType ResourceIDOrString) (Handle, error) { + var namePtr, resTypePtr uintptr + var name16, resType16 *uint16 + var err error + resolvePtr := func(i interface{}, keep **uint16) (uintptr, error) { + switch v := i.(type) { + case string: + *keep, err = UTF16PtrFromString(v) + if err != nil { + return 0, err + } + return uintptr(unsafe.Pointer(*keep)), nil + case ResourceID: + return uintptr(v), nil + } + return 0, errorspkg.New("parameter must be a ResourceID or a string") + } + namePtr, err = resolvePtr(name, &name16) + if err != nil { + return 0, err + } + resTypePtr, err = resolvePtr(resType, &resType16) + if err != nil { + return 0, err + } + resInfo, err := findResource(module, namePtr, resTypePtr) + runtime.KeepAlive(name16) + runtime.KeepAlive(resType16) + return resInfo, err +} + +func LoadResourceData(module, resInfo Handle) (data []byte, err error) { + size, err := SizeofResource(module, resInfo) + if err != nil { + return + } + resData, err := LoadResource(module, resInfo) + if err != nil { + return + } + ptr, err := LockResource(resData) + if err != nil { + return + } + h := (*unsafeheader.Slice)(unsafe.Pointer(&data)) + h.Data = unsafe.Pointer(ptr) + h.Len = int(size) + h.Cap = int(size) + return +} |