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syscall_windows.go
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// 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"
"strings"
"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) {
if strings.IndexByte(s, 0) != -1 {
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))
}
return string(utf16.Decode(unsafe.Slice(p, n)))
}
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) = ReadFile
//sys writeFile(handle Handle, buf []byte, done *uint32, overlapped *Overlapped) (err error) = WriteFile
//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 ExpandEnvironmentStrings(src *uint16, dst *uint16, size uint32) (n uint32, err error) = kernel32.ExpandEnvironmentStringsW
//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 VirtualProtectEx(process Handle, address uintptr, size uintptr, newProtect uint32, oldProtect *uint32) (err error) = kernel32.VirtualProtectEx
//sys VirtualQuery(address uintptr, buffer *MemoryBasicInformation, length uintptr) (err error) = kernel32.VirtualQuery
//sys VirtualQueryEx(process Handle, address uintptr, buffer *MemoryBasicInformation, length uintptr) (err error) = kernel32.VirtualQueryEx
//sys ReadProcessMemory(process Handle, baseAddress uintptr, buffer *byte, size uintptr, numberOfBytesRead *uintptr) (err error) = kernel32.ReadProcessMemory
//sys WriteProcessMemory(process Handle, baseAddress uintptr, buffer *byte, size uintptr, numberOfBytesWritten *uintptr) (err error) = kernel32.WriteProcessMemory
//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 Module32First(snapshot Handle, moduleEntry *ModuleEntry32) (err error) = kernel32.Module32FirstW
//sys Module32Next(snapshot Handle, moduleEntry *ModuleEntry32) (err error) = kernel32.Module32NextW
//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)
//sys GetActiveProcessorCount(groupNumber uint16) (ret uint32)
//sys GetMaximumProcessorCount(groupNumber uint16) (ret uint32)
//sys EnumWindows(enumFunc uintptr, param unsafe.Pointer) (err error) = user32.EnumWindows
//sys EnumChildWindows(hwnd HWND, enumFunc uintptr, param unsafe.Pointer) = user32.EnumChildWindows
//sys GetClassName(hwnd HWND, className *uint16, maxCount int32) (copied int32, err error) = user32.GetClassNameW
//sys GetDesktopWindow() (hwnd HWND) = user32.GetDesktopWindow
//sys GetForegroundWindow() (hwnd HWND) = user32.GetForegroundWindow
//sys IsWindow(hwnd HWND) (isWindow bool) = user32.IsWindow
//sys IsWindowUnicode(hwnd HWND) (isUnicode bool) = user32.IsWindowUnicode
//sys IsWindowVisible(hwnd HWND) (isVisible bool) = user32.IsWindowVisible
//sys GetGUIThreadInfo(thread uint32, info *GUIThreadInfo) (err error) = user32.GetGUIThreadInfo
//sys GetLargePageMinimum() (size uintptr)
// 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
// Version APIs
//sys GetFileVersionInfoSize(filename string, zeroHandle *Handle) (bufSize uint32, err error) = version.GetFileVersionInfoSizeW
//sys GetFileVersionInfo(filename string, handle uint32, bufSize uint32, buffer unsafe.Pointer) (err error) = version.GetFileVersionInfoW
//sys VerQueryValue(block unsafe.Pointer, subBlock string, pointerToBufferPointer unsafe.Pointer, bufSize *uint32) (err error) = version.VerQueryValueW
// Process Status API (PSAPI)
//sys EnumProcesses(processIds []uint32, bytesReturned *uint32) (err error) = psapi.EnumProcesses
//sys EnumProcessModules(process Handle, module *Handle, cb uint32, cbNeeded *uint32) (err error) = psapi.EnumProcessModules
//sys EnumProcessModulesEx(process Handle, module *Handle, cb uint32, cbNeeded *uint32, filterFlag uint32) (err error) = psapi.EnumProcessModulesEx
//sys GetModuleInformation(process Handle, module Handle, modinfo *ModuleInfo, cb uint32) (err error) = psapi.GetModuleInformation
//sys GetModuleFileNameEx(process Handle, module Handle, filename *uint16, size uint32) (err error) = psapi.GetModuleFileNameExW
//sys GetModuleBaseName(process Handle, module Handle, baseName *uint16, size uint32) (err error) = psapi.GetModuleBaseNameW
//sys QueryWorkingSetEx(process Handle, pv uintptr, cb uint32) (err error) = psapi.QueryWorkingSetEx
// 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 NtSetInformationFile(handle Handle, iosb *IO_STATUS_BLOCK, inBuffer *byte, inBufferLen uint32, class uint32) (ntstatus error) = ntdll.NtSetInformationFile
//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
//sys NtQuerySystemInformation(sysInfoClass int32, sysInfo unsafe.Pointer, sysInfoLen uint32, retLen *uint32) (ntstatus error) = ntdll.NtQuerySystemInformation
//sys NtSetSystemInformation(sysInfoClass int32, sysInfo unsafe.Pointer, sysInfoLen uint32) (ntstatus error) = ntdll.NtSetSystemInformation
//sys RtlAddFunctionTable(functionTable *RUNTIME_FUNCTION, entryCount uint32, baseAddress uintptr) (ret bool) = ntdll.RtlAddFunctionTable
//sys RtlDeleteFunctionTable(functionTable *RUNTIME_FUNCTION) (ret bool) = ntdll.RtlDeleteFunctionTable
// Desktop Window Manager API (Dwmapi)
//sys DwmGetWindowAttribute(hwnd HWND, attribute uint32, value unsafe.Pointer, size uint32) (ret error) = dwmapi.DwmGetWindowAttribute
//sys DwmSetWindowAttribute(hwnd HWND, attribute uint32, value unsafe.Pointer, size uint32) (ret error) = dwmapi.DwmSetWindowAttribute
// 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
}
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
}
return int(done), nil
}
func ReadFile(fd Handle, p []byte, done *uint32, overlapped *Overlapped) error {
err := readFile(fd, p, done, overlapped)
if raceenabled {
if *done > 0 {
raceWriteRange(unsafe.Pointer(&p[0]), int(*done))
}
raceAcquire(unsafe.Pointer(&ioSync))
}
return err
}
func WriteFile(fd Handle, p []byte, done *uint32, overlapped *Overlapped) error {
if raceenabled {
raceReleaseMerge(unsafe.Pointer(&ioSync))
}
err := writeFile(fd, p, done, overlapped)
if raceenabled && *done > 0 {
raceReadRange(unsafe.Pointer(&p[0]), int(*done))
}
return err
}
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)
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 CloseHandle(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 CloseHandle(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
//sys getBestInterfaceEx(sockaddr unsafe.Pointer, pdwBestIfIndex *uint32) (errcode error) = iphlpapi.GetBestInterfaceEx
// 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)
sa.raw.Addr = sa.Addr
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
sa.raw.Addr = sa.Addr
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
}
type RawSockaddrBth struct {
AddressFamily [2]byte
BtAddr [8]byte
ServiceClassId [16]byte
Port [4]byte
}
type SockaddrBth struct {
BtAddr uint64
ServiceClassId GUID
Port uint32
raw RawSockaddrBth
}
func (sa *SockaddrBth) sockaddr() (unsafe.Pointer, int32, error) {
family := AF_BTH
sa.raw = RawSockaddrBth{