1// Copyright 2009 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5// Windows system calls.
6
7package windows
8
9import (
10 errorspkg "errors"
11 "fmt"
12 "runtime"
13 "sync"
14 "syscall"
15 "time"
16 "unicode/utf16"
17 "unsafe"
18)
19
20type (
21 Handle uintptr
22 HWND uintptr
23)
24
25const (
26 InvalidHandle = ^Handle(0)
27 InvalidHWND = ^HWND(0)
28
29 // Flags for DefineDosDevice.
30 DDD_EXACT_MATCH_ON_REMOVE = 0x00000004
31 DDD_NO_BROADCAST_SYSTEM = 0x00000008
32 DDD_RAW_TARGET_PATH = 0x00000001
33 DDD_REMOVE_DEFINITION = 0x00000002
34
35 // Return values for GetDriveType.
36 DRIVE_UNKNOWN = 0
37 DRIVE_NO_ROOT_DIR = 1
38 DRIVE_REMOVABLE = 2
39 DRIVE_FIXED = 3
40 DRIVE_REMOTE = 4
41 DRIVE_CDROM = 5
42 DRIVE_RAMDISK = 6
43
44 // File system flags from GetVolumeInformation and GetVolumeInformationByHandle.
45 FILE_CASE_SENSITIVE_SEARCH = 0x00000001
46 FILE_CASE_PRESERVED_NAMES = 0x00000002
47 FILE_FILE_COMPRESSION = 0x00000010
48 FILE_DAX_VOLUME = 0x20000000
49 FILE_NAMED_STREAMS = 0x00040000
50 FILE_PERSISTENT_ACLS = 0x00000008
51 FILE_READ_ONLY_VOLUME = 0x00080000
52 FILE_SEQUENTIAL_WRITE_ONCE = 0x00100000
53 FILE_SUPPORTS_ENCRYPTION = 0x00020000
54 FILE_SUPPORTS_EXTENDED_ATTRIBUTES = 0x00800000
55 FILE_SUPPORTS_HARD_LINKS = 0x00400000
56 FILE_SUPPORTS_OBJECT_IDS = 0x00010000
57 FILE_SUPPORTS_OPEN_BY_FILE_ID = 0x01000000
58 FILE_SUPPORTS_REPARSE_POINTS = 0x00000080
59 FILE_SUPPORTS_SPARSE_FILES = 0x00000040
60 FILE_SUPPORTS_TRANSACTIONS = 0x00200000
61 FILE_SUPPORTS_USN_JOURNAL = 0x02000000
62 FILE_UNICODE_ON_DISK = 0x00000004
63 FILE_VOLUME_IS_COMPRESSED = 0x00008000
64 FILE_VOLUME_QUOTAS = 0x00000020
65
66 // Flags for LockFileEx.
67 LOCKFILE_FAIL_IMMEDIATELY = 0x00000001
68 LOCKFILE_EXCLUSIVE_LOCK = 0x00000002
69
70 // Return value of SleepEx and other APC functions
71 WAIT_IO_COMPLETION = 0x000000C0
72)
73
74// StringToUTF16 is deprecated. Use UTF16FromString instead.
75// If s contains a NUL byte this function panics instead of
76// returning an error.
77func StringToUTF16(s string) []uint16 {
78 a, err := UTF16FromString(s)
79 if err != nil {
80 panic("windows: string with NUL passed to StringToUTF16")
81 }
82 return a
83}
84
85// UTF16FromString returns the UTF-16 encoding of the UTF-8 string
86// s, with a terminating NUL added. If s contains a NUL byte at any
87// location, it returns (nil, syscall.EINVAL).
88func UTF16FromString(s string) ([]uint16, error) {
89 return syscall.UTF16FromString(s)
90}
91
92// UTF16ToString returns the UTF-8 encoding of the UTF-16 sequence s,
93// with a terminating NUL and any bytes after the NUL removed.
94func UTF16ToString(s []uint16) string {
95 return syscall.UTF16ToString(s)
96}
97
98// StringToUTF16Ptr is deprecated. Use UTF16PtrFromString instead.
99// If s contains a NUL byte this function panics instead of
100// returning an error.
101func StringToUTF16Ptr(s string) *uint16 { return &StringToUTF16(s)[0] }
102
103// UTF16PtrFromString returns pointer to the UTF-16 encoding of
104// the UTF-8 string s, with a terminating NUL added. If s
105// contains a NUL byte at any location, it returns (nil, syscall.EINVAL).
106func UTF16PtrFromString(s string) (*uint16, error) {
107 a, err := UTF16FromString(s)
108 if err != nil {
109 return nil, err
110 }
111 return &a[0], nil
112}
113
114// UTF16PtrToString takes a pointer to a UTF-16 sequence and returns the corresponding UTF-8 encoded string.
115// If the pointer is nil, it returns the empty string. It assumes that the UTF-16 sequence is terminated
116// at a zero word; if the zero word is not present, the program may crash.
117func UTF16PtrToString(p *uint16) string {
118 if p == nil {
119 return ""
120 }
121 if *p == 0 {
122 return ""
123 }
124
125 // Find NUL terminator.
126 n := 0
127 for ptr := unsafe.Pointer(p); *(*uint16)(ptr) != 0; n++ {
128 ptr = unsafe.Pointer(uintptr(ptr) + unsafe.Sizeof(*p))
129 }
130 return UTF16ToString(unsafe.Slice(p, n))
131}
132
133func Getpagesize() int { return 4096 }
134
135// NewCallback converts a Go function to a function pointer conforming to the stdcall calling convention.
136// This is useful when interoperating with Windows code requiring callbacks.
137// The argument is expected to be a function with one uintptr-sized result. The function must not have arguments with size larger than the size of uintptr.
138func NewCallback(fn interface{}) uintptr {
139 return syscall.NewCallback(fn)
140}
141
142// NewCallbackCDecl converts a Go function to a function pointer conforming to the cdecl calling convention.
143// This is useful when interoperating with Windows code requiring callbacks.
144// The argument is expected to be a function with one uintptr-sized result. The function must not have arguments with size larger than the size of uintptr.
145func NewCallbackCDecl(fn interface{}) uintptr {
146 return syscall.NewCallbackCDecl(fn)
147}
148
149// windows api calls
150
151//sys GetLastError() (lasterr error)
152//sys LoadLibrary(libname string) (handle Handle, err error) = LoadLibraryW
153//sys LoadLibraryEx(libname string, zero Handle, flags uintptr) (handle Handle, err error) = LoadLibraryExW
154//sys FreeLibrary(handle Handle) (err error)
155//sys GetProcAddress(module Handle, procname string) (proc uintptr, err error)
156//sys GetModuleFileName(module Handle, filename *uint16, size uint32) (n uint32, err error) = kernel32.GetModuleFileNameW
157//sys GetModuleHandleEx(flags uint32, moduleName *uint16, module *Handle) (err error) = kernel32.GetModuleHandleExW
158//sys SetDefaultDllDirectories(directoryFlags uint32) (err error)
159//sys AddDllDirectory(path *uint16) (cookie uintptr, err error) = kernel32.AddDllDirectory
160//sys RemoveDllDirectory(cookie uintptr) (err error) = kernel32.RemoveDllDirectory
161//sys SetDllDirectory(path string) (err error) = kernel32.SetDllDirectoryW
162//sys GetVersion() (ver uint32, err error)
163//sys FormatMessage(flags uint32, msgsrc uintptr, msgid uint32, langid uint32, buf []uint16, args *byte) (n uint32, err error) = FormatMessageW
164//sys ExitProcess(exitcode uint32)
165//sys IsWow64Process(handle Handle, isWow64 *bool) (err error) = IsWow64Process
166//sys IsWow64Process2(handle Handle, processMachine *uint16, nativeMachine *uint16) (err error) = IsWow64Process2?
167//sys CreateFile(name *uint16, access uint32, mode uint32, sa *SecurityAttributes, createmode uint32, attrs uint32, templatefile Handle) (handle Handle, err error) [failretval==InvalidHandle] = CreateFileW
168//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
169//sys ConnectNamedPipe(pipe Handle, overlapped *Overlapped) (err error)
170//sys DisconnectNamedPipe(pipe Handle) (err error)
171//sys GetNamedPipeClientProcessId(pipe Handle, clientProcessID *uint32) (err error)
172//sys GetNamedPipeServerProcessId(pipe Handle, serverProcessID *uint32) (err error)
173//sys GetNamedPipeInfo(pipe Handle, flags *uint32, outSize *uint32, inSize *uint32, maxInstances *uint32) (err error)
174//sys GetNamedPipeHandleState(pipe Handle, state *uint32, curInstances *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32, userName *uint16, maxUserNameSize uint32) (err error) = GetNamedPipeHandleStateW
175//sys SetNamedPipeHandleState(pipe Handle, state *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32) (err error) = SetNamedPipeHandleState
176//sys readFile(handle Handle, buf []byte, done *uint32, overlapped *Overlapped) (err error) = ReadFile
177//sys writeFile(handle Handle, buf []byte, done *uint32, overlapped *Overlapped) (err error) = WriteFile
178//sys GetOverlappedResult(handle Handle, overlapped *Overlapped, done *uint32, wait bool) (err error)
179//sys SetFilePointer(handle Handle, lowoffset int32, highoffsetptr *int32, whence uint32) (newlowoffset uint32, err error) [failretval==0xffffffff]
180//sys CloseHandle(handle Handle) (err error)
181//sys GetStdHandle(stdhandle uint32) (handle Handle, err error) [failretval==InvalidHandle]
182//sys SetStdHandle(stdhandle uint32, handle Handle) (err error)
183//sys findFirstFile1(name *uint16, data *win32finddata1) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstFileW
184//sys findNextFile1(handle Handle, data *win32finddata1) (err error) = FindNextFileW
185//sys FindClose(handle Handle) (err error)
186//sys GetFileInformationByHandle(handle Handle, data *ByHandleFileInformation) (err error)
187//sys GetFileInformationByHandleEx(handle Handle, class uint32, outBuffer *byte, outBufferLen uint32) (err error)
188//sys SetFileInformationByHandle(handle Handle, class uint32, inBuffer *byte, inBufferLen uint32) (err error)
189//sys GetCurrentDirectory(buflen uint32, buf *uint16) (n uint32, err error) = GetCurrentDirectoryW
190//sys SetCurrentDirectory(path *uint16) (err error) = SetCurrentDirectoryW
191//sys CreateDirectory(path *uint16, sa *SecurityAttributes) (err error) = CreateDirectoryW
192//sys RemoveDirectory(path *uint16) (err error) = RemoveDirectoryW
193//sys DeleteFile(path *uint16) (err error) = DeleteFileW
194//sys MoveFile(from *uint16, to *uint16) (err error) = MoveFileW
195//sys MoveFileEx(from *uint16, to *uint16, flags uint32) (err error) = MoveFileExW
196//sys LockFileEx(file Handle, flags uint32, reserved uint32, bytesLow uint32, bytesHigh uint32, overlapped *Overlapped) (err error)
197//sys UnlockFileEx(file Handle, reserved uint32, bytesLow uint32, bytesHigh uint32, overlapped *Overlapped) (err error)
198//sys GetComputerName(buf *uint16, n *uint32) (err error) = GetComputerNameW
199//sys GetComputerNameEx(nametype uint32, buf *uint16, n *uint32) (err error) = GetComputerNameExW
200//sys SetEndOfFile(handle Handle) (err error)
201//sys SetFileValidData(handle Handle, validDataLength int64) (err error)
202//sys GetSystemTimeAsFileTime(time *Filetime)
203//sys GetSystemTimePreciseAsFileTime(time *Filetime)
204//sys GetTimeZoneInformation(tzi *Timezoneinformation) (rc uint32, err error) [failretval==0xffffffff]
205//sys CreateIoCompletionPort(filehandle Handle, cphandle Handle, key uintptr, threadcnt uint32) (handle Handle, err error)
206//sys GetQueuedCompletionStatus(cphandle Handle, qty *uint32, key *uintptr, overlapped **Overlapped, timeout uint32) (err error)
207//sys PostQueuedCompletionStatus(cphandle Handle, qty uint32, key uintptr, overlapped *Overlapped) (err error)
208//sys CancelIo(s Handle) (err error)
209//sys CancelIoEx(s Handle, o *Overlapped) (err error)
210//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
211//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
212//sys initializeProcThreadAttributeList(attrlist *ProcThreadAttributeList, attrcount uint32, flags uint32, size *uintptr) (err error) = InitializeProcThreadAttributeList
213//sys deleteProcThreadAttributeList(attrlist *ProcThreadAttributeList) = DeleteProcThreadAttributeList
214//sys updateProcThreadAttribute(attrlist *ProcThreadAttributeList, flags uint32, attr uintptr, value unsafe.Pointer, size uintptr, prevvalue unsafe.Pointer, returnedsize *uintptr) (err error) = UpdateProcThreadAttribute
215//sys OpenProcess(desiredAccess uint32, inheritHandle bool, processId uint32) (handle Handle, err error)
216//sys ShellExecute(hwnd Handle, verb *uint16, file *uint16, args *uint16, cwd *uint16, showCmd int32) (err error) [failretval<=32] = shell32.ShellExecuteW
217//sys GetWindowThreadProcessId(hwnd HWND, pid *uint32) (tid uint32, err error) = user32.GetWindowThreadProcessId
218//sys LoadKeyboardLayout(name *uint16, flags uint32) (hkl Handle, err error) [failretval==0] = user32.LoadKeyboardLayoutW
219//sys UnloadKeyboardLayout(hkl Handle) (err error) = user32.UnloadKeyboardLayout
220//sys GetKeyboardLayout(tid uint32) (hkl Handle) = user32.GetKeyboardLayout
221//sys ToUnicodeEx(vkey uint32, scancode uint32, keystate *byte, pwszBuff *uint16, cchBuff int32, flags uint32, hkl Handle) (ret int32) = user32.ToUnicodeEx
222//sys GetShellWindow() (shellWindow HWND) = user32.GetShellWindow
223//sys MessageBox(hwnd HWND, text *uint16, caption *uint16, boxtype uint32) (ret int32, err error) [failretval==0] = user32.MessageBoxW
224//sys ExitWindowsEx(flags uint32, reason uint32) (err error) = user32.ExitWindowsEx
225//sys shGetKnownFolderPath(id *KNOWNFOLDERID, flags uint32, token Token, path **uint16) (ret error) = shell32.SHGetKnownFolderPath
226//sys TerminateProcess(handle Handle, exitcode uint32) (err error)
227//sys GetExitCodeProcess(handle Handle, exitcode *uint32) (err error)
228//sys getStartupInfo(startupInfo *StartupInfo) = GetStartupInfoW
229//sys GetProcessTimes(handle Handle, creationTime *Filetime, exitTime *Filetime, kernelTime *Filetime, userTime *Filetime) (err error)
230//sys DuplicateHandle(hSourceProcessHandle Handle, hSourceHandle Handle, hTargetProcessHandle Handle, lpTargetHandle *Handle, dwDesiredAccess uint32, bInheritHandle bool, dwOptions uint32) (err error)
231//sys WaitForSingleObject(handle Handle, waitMilliseconds uint32) (event uint32, err error) [failretval==0xffffffff]
232//sys waitForMultipleObjects(count uint32, handles uintptr, waitAll bool, waitMilliseconds uint32) (event uint32, err error) [failretval==0xffffffff] = WaitForMultipleObjects
233//sys GetTempPath(buflen uint32, buf *uint16) (n uint32, err error) = GetTempPathW
234//sys CreatePipe(readhandle *Handle, writehandle *Handle, sa *SecurityAttributes, size uint32) (err error)
235//sys GetFileType(filehandle Handle) (n uint32, err error)
236//sys CryptAcquireContext(provhandle *Handle, container *uint16, provider *uint16, provtype uint32, flags uint32) (err error) = advapi32.CryptAcquireContextW
237//sys CryptReleaseContext(provhandle Handle, flags uint32) (err error) = advapi32.CryptReleaseContext
238//sys CryptGenRandom(provhandle Handle, buflen uint32, buf *byte) (err error) = advapi32.CryptGenRandom
239//sys GetEnvironmentStrings() (envs *uint16, err error) [failretval==nil] = kernel32.GetEnvironmentStringsW
240//sys FreeEnvironmentStrings(envs *uint16) (err error) = kernel32.FreeEnvironmentStringsW
241//sys GetEnvironmentVariable(name *uint16, buffer *uint16, size uint32) (n uint32, err error) = kernel32.GetEnvironmentVariableW
242//sys SetEnvironmentVariable(name *uint16, value *uint16) (err error) = kernel32.SetEnvironmentVariableW
243//sys ExpandEnvironmentStrings(src *uint16, dst *uint16, size uint32) (n uint32, err error) = kernel32.ExpandEnvironmentStringsW
244//sys CreateEnvironmentBlock(block **uint16, token Token, inheritExisting bool) (err error) = userenv.CreateEnvironmentBlock
245//sys DestroyEnvironmentBlock(block *uint16) (err error) = userenv.DestroyEnvironmentBlock
246//sys getTickCount64() (ms uint64) = kernel32.GetTickCount64
247//sys GetFileTime(handle Handle, ctime *Filetime, atime *Filetime, wtime *Filetime) (err error)
248//sys SetFileTime(handle Handle, ctime *Filetime, atime *Filetime, wtime *Filetime) (err error)
249//sys GetFileAttributes(name *uint16) (attrs uint32, err error) [failretval==INVALID_FILE_ATTRIBUTES] = kernel32.GetFileAttributesW
250//sys SetFileAttributes(name *uint16, attrs uint32) (err error) = kernel32.SetFileAttributesW
251//sys GetFileAttributesEx(name *uint16, level uint32, info *byte) (err error) = kernel32.GetFileAttributesExW
252//sys GetCommandLine() (cmd *uint16) = kernel32.GetCommandLineW
253//sys commandLineToArgv(cmd *uint16, argc *int32) (argv **uint16, err error) [failretval==nil] = shell32.CommandLineToArgvW
254//sys LocalFree(hmem Handle) (handle Handle, err error) [failretval!=0]
255//sys LocalAlloc(flags uint32, length uint32) (ptr uintptr, err error)
256//sys SetHandleInformation(handle Handle, mask uint32, flags uint32) (err error)
257//sys FlushFileBuffers(handle Handle) (err error)
258//sys GetFullPathName(path *uint16, buflen uint32, buf *uint16, fname **uint16) (n uint32, err error) = kernel32.GetFullPathNameW
259//sys GetLongPathName(path *uint16, buf *uint16, buflen uint32) (n uint32, err error) = kernel32.GetLongPathNameW
260//sys GetShortPathName(longpath *uint16, shortpath *uint16, buflen uint32) (n uint32, err error) = kernel32.GetShortPathNameW
261//sys GetFinalPathNameByHandle(file Handle, filePath *uint16, filePathSize uint32, flags uint32) (n uint32, err error) = kernel32.GetFinalPathNameByHandleW
262//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
263//sys MapViewOfFile(handle Handle, access uint32, offsetHigh uint32, offsetLow uint32, length uintptr) (addr uintptr, err error)
264//sys UnmapViewOfFile(addr uintptr) (err error)
265//sys FlushViewOfFile(addr uintptr, length uintptr) (err error)
266//sys VirtualLock(addr uintptr, length uintptr) (err error)
267//sys VirtualUnlock(addr uintptr, length uintptr) (err error)
268//sys VirtualAlloc(address uintptr, size uintptr, alloctype uint32, protect uint32) (value uintptr, err error) = kernel32.VirtualAlloc
269//sys VirtualFree(address uintptr, size uintptr, freetype uint32) (err error) = kernel32.VirtualFree
270//sys VirtualProtect(address uintptr, size uintptr, newprotect uint32, oldprotect *uint32) (err error) = kernel32.VirtualProtect
271//sys VirtualProtectEx(process Handle, address uintptr, size uintptr, newProtect uint32, oldProtect *uint32) (err error) = kernel32.VirtualProtectEx
272//sys VirtualQuery(address uintptr, buffer *MemoryBasicInformation, length uintptr) (err error) = kernel32.VirtualQuery
273//sys VirtualQueryEx(process Handle, address uintptr, buffer *MemoryBasicInformation, length uintptr) (err error) = kernel32.VirtualQueryEx
274//sys ReadProcessMemory(process Handle, baseAddress uintptr, buffer *byte, size uintptr, numberOfBytesRead *uintptr) (err error) = kernel32.ReadProcessMemory
275//sys WriteProcessMemory(process Handle, baseAddress uintptr, buffer *byte, size uintptr, numberOfBytesWritten *uintptr) (err error) = kernel32.WriteProcessMemory
276//sys TransmitFile(s Handle, handle Handle, bytesToWrite uint32, bytsPerSend uint32, overlapped *Overlapped, transmitFileBuf *TransmitFileBuffers, flags uint32) (err error) = mswsock.TransmitFile
277//sys ReadDirectoryChanges(handle Handle, buf *byte, buflen uint32, watchSubTree bool, mask uint32, retlen *uint32, overlapped *Overlapped, completionRoutine uintptr) (err error) = kernel32.ReadDirectoryChangesW
278//sys FindFirstChangeNotification(path string, watchSubtree bool, notifyFilter uint32) (handle Handle, err error) [failretval==InvalidHandle] = kernel32.FindFirstChangeNotificationW
279//sys FindNextChangeNotification(handle Handle) (err error)
280//sys FindCloseChangeNotification(handle Handle) (err error)
281//sys CertOpenSystemStore(hprov Handle, name *uint16) (store Handle, err error) = crypt32.CertOpenSystemStoreW
282//sys CertOpenStore(storeProvider uintptr, msgAndCertEncodingType uint32, cryptProv uintptr, flags uint32, para uintptr) (handle Handle, err error) = crypt32.CertOpenStore
283//sys CertEnumCertificatesInStore(store Handle, prevContext *CertContext) (context *CertContext, err error) [failretval==nil] = crypt32.CertEnumCertificatesInStore
284//sys CertAddCertificateContextToStore(store Handle, certContext *CertContext, addDisposition uint32, storeContext **CertContext) (err error) = crypt32.CertAddCertificateContextToStore
285//sys CertCloseStore(store Handle, flags uint32) (err error) = crypt32.CertCloseStore
286//sys CertDeleteCertificateFromStore(certContext *CertContext) (err error) = crypt32.CertDeleteCertificateFromStore
287//sys CertDuplicateCertificateContext(certContext *CertContext) (dupContext *CertContext) = crypt32.CertDuplicateCertificateContext
288//sys PFXImportCertStore(pfx *CryptDataBlob, password *uint16, flags uint32) (store Handle, err error) = crypt32.PFXImportCertStore
289//sys CertGetCertificateChain(engine Handle, leaf *CertContext, time *Filetime, additionalStore Handle, para *CertChainPara, flags uint32, reserved uintptr, chainCtx **CertChainContext) (err error) = crypt32.CertGetCertificateChain
290//sys CertFreeCertificateChain(ctx *CertChainContext) = crypt32.CertFreeCertificateChain
291//sys CertCreateCertificateContext(certEncodingType uint32, certEncoded *byte, encodedLen uint32) (context *CertContext, err error) [failretval==nil] = crypt32.CertCreateCertificateContext
292//sys CertFreeCertificateContext(ctx *CertContext) (err error) = crypt32.CertFreeCertificateContext
293//sys CertVerifyCertificateChainPolicy(policyOID uintptr, chain *CertChainContext, para *CertChainPolicyPara, status *CertChainPolicyStatus) (err error) = crypt32.CertVerifyCertificateChainPolicy
294//sys CertGetNameString(certContext *CertContext, nameType uint32, flags uint32, typePara unsafe.Pointer, name *uint16, size uint32) (chars uint32) = crypt32.CertGetNameStringW
295//sys CertFindExtension(objId *byte, countExtensions uint32, extensions *CertExtension) (ret *CertExtension) = crypt32.CertFindExtension
296//sys CertFindCertificateInStore(store Handle, certEncodingType uint32, findFlags uint32, findType uint32, findPara unsafe.Pointer, prevCertContext *CertContext) (cert *CertContext, err error) [failretval==nil] = crypt32.CertFindCertificateInStore
297//sys CertFindChainInStore(store Handle, certEncodingType uint32, findFlags uint32, findType uint32, findPara unsafe.Pointer, prevChainContext *CertChainContext) (certchain *CertChainContext, err error) [failretval==nil] = crypt32.CertFindChainInStore
298//sys CryptAcquireCertificatePrivateKey(cert *CertContext, flags uint32, parameters unsafe.Pointer, cryptProvOrNCryptKey *Handle, keySpec *uint32, callerFreeProvOrNCryptKey *bool) (err error) = crypt32.CryptAcquireCertificatePrivateKey
299//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
300//sys CryptDecodeObject(encodingType uint32, structType *byte, encodedBytes *byte, lenEncodedBytes uint32, flags uint32, decoded unsafe.Pointer, decodedLen *uint32) (err error) = crypt32.CryptDecodeObject
301//sys CryptProtectData(dataIn *DataBlob, name *uint16, optionalEntropy *DataBlob, reserved uintptr, promptStruct *CryptProtectPromptStruct, flags uint32, dataOut *DataBlob) (err error) = crypt32.CryptProtectData
302//sys CryptUnprotectData(dataIn *DataBlob, name **uint16, optionalEntropy *DataBlob, reserved uintptr, promptStruct *CryptProtectPromptStruct, flags uint32, dataOut *DataBlob) (err error) = crypt32.CryptUnprotectData
303//sys WinVerifyTrustEx(hwnd HWND, actionId *GUID, data *WinTrustData) (ret error) = wintrust.WinVerifyTrustEx
304//sys RegOpenKeyEx(key Handle, subkey *uint16, options uint32, desiredAccess uint32, result *Handle) (regerrno error) = advapi32.RegOpenKeyExW
305//sys RegCloseKey(key Handle) (regerrno error) = advapi32.RegCloseKey
306//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
307//sys RegEnumKeyEx(key Handle, index uint32, name *uint16, nameLen *uint32, reserved *uint32, class *uint16, classLen *uint32, lastWriteTime *Filetime) (regerrno error) = advapi32.RegEnumKeyExW
308//sys RegQueryValueEx(key Handle, name *uint16, reserved *uint32, valtype *uint32, buf *byte, buflen *uint32) (regerrno error) = advapi32.RegQueryValueExW
309//sys RegNotifyChangeKeyValue(key Handle, watchSubtree bool, notifyFilter uint32, event Handle, asynchronous bool) (regerrno error) = advapi32.RegNotifyChangeKeyValue
310//sys GetCurrentProcessId() (pid uint32) = kernel32.GetCurrentProcessId
311//sys ProcessIdToSessionId(pid uint32, sessionid *uint32) (err error) = kernel32.ProcessIdToSessionId
312//sys ClosePseudoConsole(console Handle) = kernel32.ClosePseudoConsole
313//sys createPseudoConsole(size uint32, in Handle, out Handle, flags uint32, pconsole *Handle) (hr error) = kernel32.CreatePseudoConsole
314//sys GetConsoleMode(console Handle, mode *uint32) (err error) = kernel32.GetConsoleMode
315//sys SetConsoleMode(console Handle, mode uint32) (err error) = kernel32.SetConsoleMode
316//sys GetConsoleScreenBufferInfo(console Handle, info *ConsoleScreenBufferInfo) (err error) = kernel32.GetConsoleScreenBufferInfo
317//sys setConsoleCursorPosition(console Handle, position uint32) (err error) = kernel32.SetConsoleCursorPosition
318//sys GetConsoleCP() (cp uint32, err error) = kernel32.GetConsoleCP
319//sys GetConsoleOutputCP() (cp uint32, err error) = kernel32.GetConsoleOutputCP
320//sys SetConsoleCP(cp uint32) (err error) = kernel32.SetConsoleCP
321//sys SetConsoleOutputCP(cp uint32) (err error) = kernel32.SetConsoleOutputCP
322//sys WriteConsole(console Handle, buf *uint16, towrite uint32, written *uint32, reserved *byte) (err error) = kernel32.WriteConsoleW
323//sys ReadConsole(console Handle, buf *uint16, toread uint32, read *uint32, inputControl *byte) (err error) = kernel32.ReadConsoleW
324//sys GetNumberOfConsoleInputEvents(console Handle, numevents *uint32) (err error) = kernel32.GetNumberOfConsoleInputEvents
325//sys FlushConsoleInputBuffer(console Handle) (err error) = kernel32.FlushConsoleInputBuffer
326//sys resizePseudoConsole(pconsole Handle, size uint32) (hr error) = kernel32.ResizePseudoConsole
327//sys CreateToolhelp32Snapshot(flags uint32, processId uint32) (handle Handle, err error) [failretval==InvalidHandle] = kernel32.CreateToolhelp32Snapshot
328//sys Module32First(snapshot Handle, moduleEntry *ModuleEntry32) (err error) = kernel32.Module32FirstW
329//sys Module32Next(snapshot Handle, moduleEntry *ModuleEntry32) (err error) = kernel32.Module32NextW
330//sys Process32First(snapshot Handle, procEntry *ProcessEntry32) (err error) = kernel32.Process32FirstW
331//sys Process32Next(snapshot Handle, procEntry *ProcessEntry32) (err error) = kernel32.Process32NextW
332//sys Thread32First(snapshot Handle, threadEntry *ThreadEntry32) (err error)
333//sys Thread32Next(snapshot Handle, threadEntry *ThreadEntry32) (err error)
334//sys DeviceIoControl(handle Handle, ioControlCode uint32, inBuffer *byte, inBufferSize uint32, outBuffer *byte, outBufferSize uint32, bytesReturned *uint32, overlapped *Overlapped) (err error)
335// This function returns 1 byte BOOLEAN rather than the 4 byte BOOL.
336//sys CreateSymbolicLink(symlinkfilename *uint16, targetfilename *uint16, flags uint32) (err error) [failretval&0xff==0] = CreateSymbolicLinkW
337//sys CreateHardLink(filename *uint16, existingfilename *uint16, reserved uintptr) (err error) [failretval&0xff==0] = CreateHardLinkW
338//sys GetCurrentThreadId() (id uint32)
339//sys CreateEvent(eventAttrs *SecurityAttributes, manualReset uint32, initialState uint32, name *uint16) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateEventW
340//sys CreateEventEx(eventAttrs *SecurityAttributes, name *uint16, flags uint32, desiredAccess uint32) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateEventExW
341//sys OpenEvent(desiredAccess uint32, inheritHandle bool, name *uint16) (handle Handle, err error) = kernel32.OpenEventW
342//sys SetEvent(event Handle) (err error) = kernel32.SetEvent
343//sys ResetEvent(event Handle) (err error) = kernel32.ResetEvent
344//sys PulseEvent(event Handle) (err error) = kernel32.PulseEvent
345//sys CreateMutex(mutexAttrs *SecurityAttributes, initialOwner bool, name *uint16) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateMutexW
346//sys CreateMutexEx(mutexAttrs *SecurityAttributes, name *uint16, flags uint32, desiredAccess uint32) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateMutexExW
347//sys OpenMutex(desiredAccess uint32, inheritHandle bool, name *uint16) (handle Handle, err error) = kernel32.OpenMutexW
348//sys ReleaseMutex(mutex Handle) (err error) = kernel32.ReleaseMutex
349//sys SleepEx(milliseconds uint32, alertable bool) (ret uint32) = kernel32.SleepEx
350//sys CreateJobObject(jobAttr *SecurityAttributes, name *uint16) (handle Handle, err error) = kernel32.CreateJobObjectW
351//sys AssignProcessToJobObject(job Handle, process Handle) (err error) = kernel32.AssignProcessToJobObject
352//sys TerminateJobObject(job Handle, exitCode uint32) (err error) = kernel32.TerminateJobObject
353//sys SetErrorMode(mode uint32) (ret uint32) = kernel32.SetErrorMode
354//sys ResumeThread(thread Handle) (ret uint32, err error) [failretval==0xffffffff] = kernel32.ResumeThread
355//sys SetPriorityClass(process Handle, priorityClass uint32) (err error) = kernel32.SetPriorityClass
356//sys GetPriorityClass(process Handle) (ret uint32, err error) = kernel32.GetPriorityClass
357//sys QueryInformationJobObject(job Handle, JobObjectInformationClass int32, JobObjectInformation uintptr, JobObjectInformationLength uint32, retlen *uint32) (err error) = kernel32.QueryInformationJobObject
358//sys SetInformationJobObject(job Handle, JobObjectInformationClass uint32, JobObjectInformation uintptr, JobObjectInformationLength uint32) (ret int, err error)
359//sys GenerateConsoleCtrlEvent(ctrlEvent uint32, processGroupID uint32) (err error)
360//sys GetProcessId(process Handle) (id uint32, err error)
361//sys QueryFullProcessImageName(proc Handle, flags uint32, exeName *uint16, size *uint32) (err error) = kernel32.QueryFullProcessImageNameW
362//sys OpenThread(desiredAccess uint32, inheritHandle bool, threadId uint32) (handle Handle, err error)
363//sys SetProcessPriorityBoost(process Handle, disable bool) (err error) = kernel32.SetProcessPriorityBoost
364//sys GetProcessWorkingSetSizeEx(hProcess Handle, lpMinimumWorkingSetSize *uintptr, lpMaximumWorkingSetSize *uintptr, flags *uint32)
365//sys SetProcessWorkingSetSizeEx(hProcess Handle, dwMinimumWorkingSetSize uintptr, dwMaximumWorkingSetSize uintptr, flags uint32) (err error)
366//sys ClearCommBreak(handle Handle) (err error)
367//sys ClearCommError(handle Handle, lpErrors *uint32, lpStat *ComStat) (err error)
368//sys EscapeCommFunction(handle Handle, dwFunc uint32) (err error)
369//sys GetCommState(handle Handle, lpDCB *DCB) (err error)
370//sys GetCommModemStatus(handle Handle, lpModemStat *uint32) (err error)
371//sys GetCommTimeouts(handle Handle, timeouts *CommTimeouts) (err error)
372//sys PurgeComm(handle Handle, dwFlags uint32) (err error)
373//sys SetCommBreak(handle Handle) (err error)
374//sys SetCommMask(handle Handle, dwEvtMask uint32) (err error)
375//sys SetCommState(handle Handle, lpDCB *DCB) (err error)
376//sys SetCommTimeouts(handle Handle, timeouts *CommTimeouts) (err error)
377//sys SetupComm(handle Handle, dwInQueue uint32, dwOutQueue uint32) (err error)
378//sys WaitCommEvent(handle Handle, lpEvtMask *uint32, lpOverlapped *Overlapped) (err error)
379//sys GetActiveProcessorCount(groupNumber uint16) (ret uint32)
380//sys GetMaximumProcessorCount(groupNumber uint16) (ret uint32)
381//sys EnumWindows(enumFunc uintptr, param unsafe.Pointer) (err error) = user32.EnumWindows
382//sys EnumChildWindows(hwnd HWND, enumFunc uintptr, param unsafe.Pointer) = user32.EnumChildWindows
383//sys GetClassName(hwnd HWND, className *uint16, maxCount int32) (copied int32, err error) = user32.GetClassNameW
384//sys GetDesktopWindow() (hwnd HWND) = user32.GetDesktopWindow
385//sys GetForegroundWindow() (hwnd HWND) = user32.GetForegroundWindow
386//sys IsWindow(hwnd HWND) (isWindow bool) = user32.IsWindow
387//sys IsWindowUnicode(hwnd HWND) (isUnicode bool) = user32.IsWindowUnicode
388//sys IsWindowVisible(hwnd HWND) (isVisible bool) = user32.IsWindowVisible
389//sys GetGUIThreadInfo(thread uint32, info *GUIThreadInfo) (err error) = user32.GetGUIThreadInfo
390//sys GetLargePageMinimum() (size uintptr)
391
392// Volume Management Functions
393//sys DefineDosDevice(flags uint32, deviceName *uint16, targetPath *uint16) (err error) = DefineDosDeviceW
394//sys DeleteVolumeMountPoint(volumeMountPoint *uint16) (err error) = DeleteVolumeMountPointW
395//sys FindFirstVolume(volumeName *uint16, bufferLength uint32) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstVolumeW
396//sys FindFirstVolumeMountPoint(rootPathName *uint16, volumeMountPoint *uint16, bufferLength uint32) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstVolumeMountPointW
397//sys FindNextVolume(findVolume Handle, volumeName *uint16, bufferLength uint32) (err error) = FindNextVolumeW
398//sys FindNextVolumeMountPoint(findVolumeMountPoint Handle, volumeMountPoint *uint16, bufferLength uint32) (err error) = FindNextVolumeMountPointW
399//sys FindVolumeClose(findVolume Handle) (err error)
400//sys FindVolumeMountPointClose(findVolumeMountPoint Handle) (err error)
401//sys GetDiskFreeSpaceEx(directoryName *uint16, freeBytesAvailableToCaller *uint64, totalNumberOfBytes *uint64, totalNumberOfFreeBytes *uint64) (err error) = GetDiskFreeSpaceExW
402//sys GetDriveType(rootPathName *uint16) (driveType uint32) = GetDriveTypeW
403//sys GetLogicalDrives() (drivesBitMask uint32, err error) [failretval==0]
404//sys GetLogicalDriveStrings(bufferLength uint32, buffer *uint16) (n uint32, err error) [failretval==0] = GetLogicalDriveStringsW
405//sys GetVolumeInformation(rootPathName *uint16, volumeNameBuffer *uint16, volumeNameSize uint32, volumeNameSerialNumber *uint32, maximumComponentLength *uint32, fileSystemFlags *uint32, fileSystemNameBuffer *uint16, fileSystemNameSize uint32) (err error) = GetVolumeInformationW
406//sys GetVolumeInformationByHandle(file Handle, volumeNameBuffer *uint16, volumeNameSize uint32, volumeNameSerialNumber *uint32, maximumComponentLength *uint32, fileSystemFlags *uint32, fileSystemNameBuffer *uint16, fileSystemNameSize uint32) (err error) = GetVolumeInformationByHandleW
407//sys GetVolumeNameForVolumeMountPoint(volumeMountPoint *uint16, volumeName *uint16, bufferlength uint32) (err error) = GetVolumeNameForVolumeMountPointW
408//sys GetVolumePathName(fileName *uint16, volumePathName *uint16, bufferLength uint32) (err error) = GetVolumePathNameW
409//sys GetVolumePathNamesForVolumeName(volumeName *uint16, volumePathNames *uint16, bufferLength uint32, returnLength *uint32) (err error) = GetVolumePathNamesForVolumeNameW
410//sys QueryDosDevice(deviceName *uint16, targetPath *uint16, max uint32) (n uint32, err error) [failretval==0] = QueryDosDeviceW
411//sys SetVolumeLabel(rootPathName *uint16, volumeName *uint16) (err error) = SetVolumeLabelW
412//sys SetVolumeMountPoint(volumeMountPoint *uint16, volumeName *uint16) (err error) = SetVolumeMountPointW
413//sys InitiateSystemShutdownEx(machineName *uint16, message *uint16, timeout uint32, forceAppsClosed bool, rebootAfterShutdown bool, reason uint32) (err error) = advapi32.InitiateSystemShutdownExW
414//sys SetProcessShutdownParameters(level uint32, flags uint32) (err error) = kernel32.SetProcessShutdownParameters
415//sys GetProcessShutdownParameters(level *uint32, flags *uint32) (err error) = kernel32.GetProcessShutdownParameters
416//sys clsidFromString(lpsz *uint16, pclsid *GUID) (ret error) = ole32.CLSIDFromString
417//sys stringFromGUID2(rguid *GUID, lpsz *uint16, cchMax int32) (chars int32) = ole32.StringFromGUID2
418//sys coCreateGuid(pguid *GUID) (ret error) = ole32.CoCreateGuid
419//sys CoTaskMemFree(address unsafe.Pointer) = ole32.CoTaskMemFree
420//sys CoInitializeEx(reserved uintptr, coInit uint32) (ret error) = ole32.CoInitializeEx
421//sys CoUninitialize() = ole32.CoUninitialize
422//sys CoGetObject(name *uint16, bindOpts *BIND_OPTS3, guid *GUID, functionTable **uintptr) (ret error) = ole32.CoGetObject
423//sys getProcessPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetProcessPreferredUILanguages
424//sys getThreadPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetThreadPreferredUILanguages
425//sys getUserPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetUserPreferredUILanguages
426//sys getSystemPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetSystemPreferredUILanguages
427//sys findResource(module Handle, name uintptr, resType uintptr) (resInfo Handle, err error) = kernel32.FindResourceW
428//sys SizeofResource(module Handle, resInfo Handle) (size uint32, err error) = kernel32.SizeofResource
429//sys LoadResource(module Handle, resInfo Handle) (resData Handle, err error) = kernel32.LoadResource
430//sys LockResource(resData Handle) (addr uintptr, err error) = kernel32.LockResource
431
432// Version APIs
433//sys GetFileVersionInfoSize(filename string, zeroHandle *Handle) (bufSize uint32, err error) = version.GetFileVersionInfoSizeW
434//sys GetFileVersionInfo(filename string, handle uint32, bufSize uint32, buffer unsafe.Pointer) (err error) = version.GetFileVersionInfoW
435//sys VerQueryValue(block unsafe.Pointer, subBlock string, pointerToBufferPointer unsafe.Pointer, bufSize *uint32) (err error) = version.VerQueryValueW
436
437// Process Status API (PSAPI)
438//sys enumProcesses(processIds *uint32, nSize uint32, bytesReturned *uint32) (err error) = psapi.EnumProcesses
439//sys EnumProcessModules(process Handle, module *Handle, cb uint32, cbNeeded *uint32) (err error) = psapi.EnumProcessModules
440//sys EnumProcessModulesEx(process Handle, module *Handle, cb uint32, cbNeeded *uint32, filterFlag uint32) (err error) = psapi.EnumProcessModulesEx
441//sys GetModuleInformation(process Handle, module Handle, modinfo *ModuleInfo, cb uint32) (err error) = psapi.GetModuleInformation
442//sys GetModuleFileNameEx(process Handle, module Handle, filename *uint16, size uint32) (err error) = psapi.GetModuleFileNameExW
443//sys GetModuleBaseName(process Handle, module Handle, baseName *uint16, size uint32) (err error) = psapi.GetModuleBaseNameW
444//sys QueryWorkingSetEx(process Handle, pv uintptr, cb uint32) (err error) = psapi.QueryWorkingSetEx
445
446// NT Native APIs
447//sys rtlNtStatusToDosErrorNoTeb(ntstatus NTStatus) (ret syscall.Errno) = ntdll.RtlNtStatusToDosErrorNoTeb
448//sys rtlGetVersion(info *OsVersionInfoEx) (ntstatus error) = ntdll.RtlGetVersion
449//sys rtlGetNtVersionNumbers(majorVersion *uint32, minorVersion *uint32, buildNumber *uint32) = ntdll.RtlGetNtVersionNumbers
450//sys RtlGetCurrentPeb() (peb *PEB) = ntdll.RtlGetCurrentPeb
451//sys RtlInitUnicodeString(destinationString *NTUnicodeString, sourceString *uint16) = ntdll.RtlInitUnicodeString
452//sys RtlInitString(destinationString *NTString, sourceString *byte) = ntdll.RtlInitString
453//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
454//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
455//sys NtSetInformationFile(handle Handle, iosb *IO_STATUS_BLOCK, inBuffer *byte, inBufferLen uint32, class uint32) (ntstatus error) = ntdll.NtSetInformationFile
456//sys RtlDosPathNameToNtPathName(dosName *uint16, ntName *NTUnicodeString, ntFileNamePart *uint16, relativeName *RTL_RELATIVE_NAME) (ntstatus error) = ntdll.RtlDosPathNameToNtPathName_U_WithStatus
457//sys RtlDosPathNameToRelativeNtPathName(dosName *uint16, ntName *NTUnicodeString, ntFileNamePart *uint16, relativeName *RTL_RELATIVE_NAME) (ntstatus error) = ntdll.RtlDosPathNameToRelativeNtPathName_U_WithStatus
458//sys RtlDefaultNpAcl(acl **ACL) (ntstatus error) = ntdll.RtlDefaultNpAcl
459//sys NtQueryInformationProcess(proc Handle, procInfoClass int32, procInfo unsafe.Pointer, procInfoLen uint32, retLen *uint32) (ntstatus error) = ntdll.NtQueryInformationProcess
460//sys NtSetInformationProcess(proc Handle, procInfoClass int32, procInfo unsafe.Pointer, procInfoLen uint32) (ntstatus error) = ntdll.NtSetInformationProcess
461//sys NtQuerySystemInformation(sysInfoClass int32, sysInfo unsafe.Pointer, sysInfoLen uint32, retLen *uint32) (ntstatus error) = ntdll.NtQuerySystemInformation
462//sys NtSetSystemInformation(sysInfoClass int32, sysInfo unsafe.Pointer, sysInfoLen uint32) (ntstatus error) = ntdll.NtSetSystemInformation
463//sys RtlAddFunctionTable(functionTable *RUNTIME_FUNCTION, entryCount uint32, baseAddress uintptr) (ret bool) = ntdll.RtlAddFunctionTable
464//sys RtlDeleteFunctionTable(functionTable *RUNTIME_FUNCTION) (ret bool) = ntdll.RtlDeleteFunctionTable
465
466// Desktop Window Manager API (Dwmapi)
467//sys DwmGetWindowAttribute(hwnd HWND, attribute uint32, value unsafe.Pointer, size uint32) (ret error) = dwmapi.DwmGetWindowAttribute
468//sys DwmSetWindowAttribute(hwnd HWND, attribute uint32, value unsafe.Pointer, size uint32) (ret error) = dwmapi.DwmSetWindowAttribute
469
470// Windows Multimedia API
471//sys TimeBeginPeriod (period uint32) (err error) [failretval != 0] = winmm.timeBeginPeriod
472//sys TimeEndPeriod (period uint32) (err error) [failretval != 0] = winmm.timeEndPeriod
473
474// syscall interface implementation for other packages
475
476// GetCurrentProcess returns the handle for the current process.
477// It is a pseudo handle that does not need to be closed.
478// The returned error is always nil.
479//
480// Deprecated: use CurrentProcess for the same Handle without the nil
481// error.
482func GetCurrentProcess() (Handle, error) {
483 return CurrentProcess(), nil
484}
485
486// CurrentProcess returns the handle for the current process.
487// It is a pseudo handle that does not need to be closed.
488func CurrentProcess() Handle { return Handle(^uintptr(1 - 1)) }
489
490// GetCurrentThread returns the handle for the current thread.
491// It is a pseudo handle that does not need to be closed.
492// The returned error is always nil.
493//
494// Deprecated: use CurrentThread for the same Handle without the nil
495// error.
496func GetCurrentThread() (Handle, error) {
497 return CurrentThread(), nil
498}
499
500// CurrentThread returns the handle for the current thread.
501// It is a pseudo handle that does not need to be closed.
502func CurrentThread() Handle { return Handle(^uintptr(2 - 1)) }
503
504// GetProcAddressByOrdinal retrieves the address of the exported
505// function from module by ordinal.
506func GetProcAddressByOrdinal(module Handle, ordinal uintptr) (proc uintptr, err error) {
507 r0, _, e1 := syscall.Syscall(procGetProcAddress.Addr(), 2, uintptr(module), ordinal, 0)
508 proc = uintptr(r0)
509 if proc == 0 {
510 err = errnoErr(e1)
511 }
512 return
513}
514
515func Exit(code int) { ExitProcess(uint32(code)) }
516
517func makeInheritSa() *SecurityAttributes {
518 var sa SecurityAttributes
519 sa.Length = uint32(unsafe.Sizeof(sa))
520 sa.InheritHandle = 1
521 return &sa
522}
523
524func Open(path string, mode int, perm uint32) (fd Handle, err error) {
525 if len(path) == 0 {
526 return InvalidHandle, ERROR_FILE_NOT_FOUND
527 }
528 pathp, err := UTF16PtrFromString(path)
529 if err != nil {
530 return InvalidHandle, err
531 }
532 var access uint32
533 switch mode & (O_RDONLY | O_WRONLY | O_RDWR) {
534 case O_RDONLY:
535 access = GENERIC_READ
536 case O_WRONLY:
537 access = GENERIC_WRITE
538 case O_RDWR:
539 access = GENERIC_READ | GENERIC_WRITE
540 }
541 if mode&O_CREAT != 0 {
542 access |= GENERIC_WRITE
543 }
544 if mode&O_APPEND != 0 {
545 access &^= GENERIC_WRITE
546 access |= FILE_APPEND_DATA
547 }
548 sharemode := uint32(FILE_SHARE_READ | FILE_SHARE_WRITE)
549 var sa *SecurityAttributes
550 if mode&O_CLOEXEC == 0 {
551 sa = makeInheritSa()
552 }
553 var createmode uint32
554 switch {
555 case mode&(O_CREAT|O_EXCL) == (O_CREAT | O_EXCL):
556 createmode = CREATE_NEW
557 case mode&(O_CREAT|O_TRUNC) == (O_CREAT | O_TRUNC):
558 createmode = CREATE_ALWAYS
559 case mode&O_CREAT == O_CREAT:
560 createmode = OPEN_ALWAYS
561 case mode&O_TRUNC == O_TRUNC:
562 createmode = TRUNCATE_EXISTING
563 default:
564 createmode = OPEN_EXISTING
565 }
566 var attrs uint32 = FILE_ATTRIBUTE_NORMAL
567 if perm&S_IWRITE == 0 {
568 attrs = FILE_ATTRIBUTE_READONLY
569 }
570 h, e := CreateFile(pathp, access, sharemode, sa, createmode, attrs, 0)
571 return h, e
572}
573
574func Read(fd Handle, p []byte) (n int, err error) {
575 var done uint32
576 e := ReadFile(fd, p, &done, nil)
577 if e != nil {
578 if e == ERROR_BROKEN_PIPE {
579 // NOTE(brainman): work around ERROR_BROKEN_PIPE is returned on reading EOF from stdin
580 return 0, nil
581 }
582 return 0, e
583 }
584 return int(done), nil
585}
586
587func Write(fd Handle, p []byte) (n int, err error) {
588 if raceenabled {
589 raceReleaseMerge(unsafe.Pointer(&ioSync))
590 }
591 var done uint32
592 e := WriteFile(fd, p, &done, nil)
593 if e != nil {
594 return 0, e
595 }
596 return int(done), nil
597}
598
599func ReadFile(fd Handle, p []byte, done *uint32, overlapped *Overlapped) error {
600 err := readFile(fd, p, done, overlapped)
601 if raceenabled {
602 if *done > 0 {
603 raceWriteRange(unsafe.Pointer(&p[0]), int(*done))
604 }
605 raceAcquire(unsafe.Pointer(&ioSync))
606 }
607 return err
608}
609
610func WriteFile(fd Handle, p []byte, done *uint32, overlapped *Overlapped) error {
611 if raceenabled {
612 raceReleaseMerge(unsafe.Pointer(&ioSync))
613 }
614 err := writeFile(fd, p, done, overlapped)
615 if raceenabled && *done > 0 {
616 raceReadRange(unsafe.Pointer(&p[0]), int(*done))
617 }
618 return err
619}
620
621var ioSync int64
622
623func Seek(fd Handle, offset int64, whence int) (newoffset int64, err error) {
624 var w uint32
625 switch whence {
626 case 0:
627 w = FILE_BEGIN
628 case 1:
629 w = FILE_CURRENT
630 case 2:
631 w = FILE_END
632 }
633 hi := int32(offset >> 32)
634 lo := int32(offset)
635 // use GetFileType to check pipe, pipe can't do seek
636 ft, _ := GetFileType(fd)
637 if ft == FILE_TYPE_PIPE {
638 return 0, syscall.EPIPE
639 }
640 rlo, e := SetFilePointer(fd, lo, &hi, w)
641 if e != nil {
642 return 0, e
643 }
644 return int64(hi)<<32 + int64(rlo), nil
645}
646
647func Close(fd Handle) (err error) {
648 return CloseHandle(fd)
649}
650
651var (
652 Stdin = getStdHandle(STD_INPUT_HANDLE)
653 Stdout = getStdHandle(STD_OUTPUT_HANDLE)
654 Stderr = getStdHandle(STD_ERROR_HANDLE)
655)
656
657func getStdHandle(stdhandle uint32) (fd Handle) {
658 r, _ := GetStdHandle(stdhandle)
659 return r
660}
661
662const ImplementsGetwd = true
663
664func Getwd() (wd string, err error) {
665 b := make([]uint16, 300)
666 n, e := GetCurrentDirectory(uint32(len(b)), &b[0])
667 if e != nil {
668 return "", e
669 }
670 return string(utf16.Decode(b[0:n])), nil
671}
672
673func Chdir(path string) (err error) {
674 pathp, err := UTF16PtrFromString(path)
675 if err != nil {
676 return err
677 }
678 return SetCurrentDirectory(pathp)
679}
680
681func Mkdir(path string, mode uint32) (err error) {
682 pathp, err := UTF16PtrFromString(path)
683 if err != nil {
684 return err
685 }
686 return CreateDirectory(pathp, nil)
687}
688
689func Rmdir(path string) (err error) {
690 pathp, err := UTF16PtrFromString(path)
691 if err != nil {
692 return err
693 }
694 return RemoveDirectory(pathp)
695}
696
697func Unlink(path string) (err error) {
698 pathp, err := UTF16PtrFromString(path)
699 if err != nil {
700 return err
701 }
702 return DeleteFile(pathp)
703}
704
705func Rename(oldpath, newpath string) (err error) {
706 from, err := UTF16PtrFromString(oldpath)
707 if err != nil {
708 return err
709 }
710 to, err := UTF16PtrFromString(newpath)
711 if err != nil {
712 return err
713 }
714 return MoveFileEx(from, to, MOVEFILE_REPLACE_EXISTING)
715}
716
717func ComputerName() (name string, err error) {
718 var n uint32 = MAX_COMPUTERNAME_LENGTH + 1
719 b := make([]uint16, n)
720 e := GetComputerName(&b[0], &n)
721 if e != nil {
722 return "", e
723 }
724 return string(utf16.Decode(b[0:n])), nil
725}
726
727func DurationSinceBoot() time.Duration {
728 return time.Duration(getTickCount64()) * time.Millisecond
729}
730
731func Ftruncate(fd Handle, length int64) (err error) {
732 type _FILE_END_OF_FILE_INFO struct {
733 EndOfFile int64
734 }
735 var info _FILE_END_OF_FILE_INFO
736 info.EndOfFile = length
737 return SetFileInformationByHandle(fd, FileEndOfFileInfo, (*byte)(unsafe.Pointer(&info)), uint32(unsafe.Sizeof(info)))
738}
739
740func Gettimeofday(tv *Timeval) (err error) {
741 var ft Filetime
742 GetSystemTimeAsFileTime(&ft)
743 *tv = NsecToTimeval(ft.Nanoseconds())
744 return nil
745}
746
747func Pipe(p []Handle) (err error) {
748 if len(p) != 2 {
749 return syscall.EINVAL
750 }
751 var r, w Handle
752 e := CreatePipe(&r, &w, makeInheritSa(), 0)
753 if e != nil {
754 return e
755 }
756 p[0] = r
757 p[1] = w
758 return nil
759}
760
761func Utimes(path string, tv []Timeval) (err error) {
762 if len(tv) != 2 {
763 return syscall.EINVAL
764 }
765 pathp, e := UTF16PtrFromString(path)
766 if e != nil {
767 return e
768 }
769 h, e := CreateFile(pathp,
770 FILE_WRITE_ATTRIBUTES, FILE_SHARE_WRITE, nil,
771 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0)
772 if e != nil {
773 return e
774 }
775 defer CloseHandle(h)
776 a := NsecToFiletime(tv[0].Nanoseconds())
777 w := NsecToFiletime(tv[1].Nanoseconds())
778 return SetFileTime(h, nil, &a, &w)
779}
780
781func UtimesNano(path string, ts []Timespec) (err error) {
782 if len(ts) != 2 {
783 return syscall.EINVAL
784 }
785 pathp, e := UTF16PtrFromString(path)
786 if e != nil {
787 return e
788 }
789 h, e := CreateFile(pathp,
790 FILE_WRITE_ATTRIBUTES, FILE_SHARE_WRITE, nil,
791 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0)
792 if e != nil {
793 return e
794 }
795 defer CloseHandle(h)
796 a := NsecToFiletime(TimespecToNsec(ts[0]))
797 w := NsecToFiletime(TimespecToNsec(ts[1]))
798 return SetFileTime(h, nil, &a, &w)
799}
800
801func Fsync(fd Handle) (err error) {
802 return FlushFileBuffers(fd)
803}
804
805func Chmod(path string, mode uint32) (err error) {
806 p, e := UTF16PtrFromString(path)
807 if e != nil {
808 return e
809 }
810 attrs, e := GetFileAttributes(p)
811 if e != nil {
812 return e
813 }
814 if mode&S_IWRITE != 0 {
815 attrs &^= FILE_ATTRIBUTE_READONLY
816 } else {
817 attrs |= FILE_ATTRIBUTE_READONLY
818 }
819 return SetFileAttributes(p, attrs)
820}
821
822func LoadGetSystemTimePreciseAsFileTime() error {
823 return procGetSystemTimePreciseAsFileTime.Find()
824}
825
826func LoadCancelIoEx() error {
827 return procCancelIoEx.Find()
828}
829
830func LoadSetFileCompletionNotificationModes() error {
831 return procSetFileCompletionNotificationModes.Find()
832}
833
834func WaitForMultipleObjects(handles []Handle, waitAll bool, waitMilliseconds uint32) (event uint32, err error) {
835 // Every other win32 array API takes arguments as "pointer, count", except for this function. So we
836 // can't declare it as a usual [] type, because mksyscall will use the opposite order. We therefore
837 // trivially stub this ourselves.
838
839 var handlePtr *Handle
840 if len(handles) > 0 {
841 handlePtr = &handles[0]
842 }
843 return waitForMultipleObjects(uint32(len(handles)), uintptr(unsafe.Pointer(handlePtr)), waitAll, waitMilliseconds)
844}
845
846// net api calls
847
848const socket_error = uintptr(^uint32(0))
849
850//sys WSAStartup(verreq uint32, data *WSAData) (sockerr error) = ws2_32.WSAStartup
851//sys WSACleanup() (err error) [failretval==socket_error] = ws2_32.WSACleanup
852//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
853//sys WSALookupServiceBegin(querySet *WSAQUERYSET, flags uint32, handle *Handle) (err error) [failretval==socket_error] = ws2_32.WSALookupServiceBeginW
854//sys WSALookupServiceNext(handle Handle, flags uint32, size *int32, querySet *WSAQUERYSET) (err error) [failretval==socket_error] = ws2_32.WSALookupServiceNextW
855//sys WSALookupServiceEnd(handle Handle) (err error) [failretval==socket_error] = ws2_32.WSALookupServiceEnd
856//sys socket(af int32, typ int32, protocol int32) (handle Handle, err error) [failretval==InvalidHandle] = ws2_32.socket
857//sys sendto(s Handle, buf []byte, flags int32, to unsafe.Pointer, tolen int32) (err error) [failretval==socket_error] = ws2_32.sendto
858//sys recvfrom(s Handle, buf []byte, flags int32, from *RawSockaddrAny, fromlen *int32) (n int32, err error) [failretval==-1] = ws2_32.recvfrom
859//sys Setsockopt(s Handle, level int32, optname int32, optval *byte, optlen int32) (err error) [failretval==socket_error] = ws2_32.setsockopt
860//sys Getsockopt(s Handle, level int32, optname int32, optval *byte, optlen *int32) (err error) [failretval==socket_error] = ws2_32.getsockopt
861//sys bind(s Handle, name unsafe.Pointer, namelen int32) (err error) [failretval==socket_error] = ws2_32.bind
862//sys connect(s Handle, name unsafe.Pointer, namelen int32) (err error) [failretval==socket_error] = ws2_32.connect
863//sys getsockname(s Handle, rsa *RawSockaddrAny, addrlen *int32) (err error) [failretval==socket_error] = ws2_32.getsockname
864//sys getpeername(s Handle, rsa *RawSockaddrAny, addrlen *int32) (err error) [failretval==socket_error] = ws2_32.getpeername
865//sys listen(s Handle, backlog int32) (err error) [failretval==socket_error] = ws2_32.listen
866//sys shutdown(s Handle, how int32) (err error) [failretval==socket_error] = ws2_32.shutdown
867//sys Closesocket(s Handle) (err error) [failretval==socket_error] = ws2_32.closesocket
868//sys AcceptEx(ls Handle, as Handle, buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, recvd *uint32, overlapped *Overlapped) (err error) = mswsock.AcceptEx
869//sys GetAcceptExSockaddrs(buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, lrsa **RawSockaddrAny, lrsalen *int32, rrsa **RawSockaddrAny, rrsalen *int32) = mswsock.GetAcceptExSockaddrs
870//sys WSARecv(s Handle, bufs *WSABuf, bufcnt uint32, recvd *uint32, flags *uint32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSARecv
871//sys WSASend(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSASend
872//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
873//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
874//sys WSASocket(af int32, typ int32, protocol int32, protoInfo *WSAProtocolInfo, group uint32, flags uint32) (handle Handle, err error) [failretval==InvalidHandle] = ws2_32.WSASocketW
875//sys WSADuplicateSocket(s Handle, processID uint32, info *WSAProtocolInfo) (err error) [failretval!=0] = ws2_32.WSADuplicateSocketW
876//sys GetHostByName(name string) (h *Hostent, err error) [failretval==nil] = ws2_32.gethostbyname
877//sys GetServByName(name string, proto string) (s *Servent, err error) [failretval==nil] = ws2_32.getservbyname
878//sys Ntohs(netshort uint16) (u uint16) = ws2_32.ntohs
879//sys GetProtoByName(name string) (p *Protoent, err error) [failretval==nil] = ws2_32.getprotobyname
880//sys DnsQuery(name string, qtype uint16, options uint32, extra *byte, qrs **DNSRecord, pr *byte) (status error) = dnsapi.DnsQuery_W
881//sys DnsRecordListFree(rl *DNSRecord, freetype uint32) = dnsapi.DnsRecordListFree
882//sys DnsNameCompare(name1 *uint16, name2 *uint16) (same bool) = dnsapi.DnsNameCompare_W
883//sys GetAddrInfoW(nodename *uint16, servicename *uint16, hints *AddrinfoW, result **AddrinfoW) (sockerr error) = ws2_32.GetAddrInfoW
884//sys FreeAddrInfoW(addrinfo *AddrinfoW) = ws2_32.FreeAddrInfoW
885//sys GetIfEntry(pIfRow *MibIfRow) (errcode error) = iphlpapi.GetIfEntry
886//sys GetAdaptersInfo(ai *IpAdapterInfo, ol *uint32) (errcode error) = iphlpapi.GetAdaptersInfo
887//sys SetFileCompletionNotificationModes(handle Handle, flags uint8) (err error) = kernel32.SetFileCompletionNotificationModes
888//sys WSAEnumProtocols(protocols *int32, protocolBuffer *WSAProtocolInfo, bufferLength *uint32) (n int32, err error) [failretval==-1] = ws2_32.WSAEnumProtocolsW
889//sys WSAGetOverlappedResult(h Handle, o *Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) = ws2_32.WSAGetOverlappedResult
890//sys GetAdaptersAddresses(family uint32, flags uint32, reserved uintptr, adapterAddresses *IpAdapterAddresses, sizePointer *uint32) (errcode error) = iphlpapi.GetAdaptersAddresses
891//sys GetACP() (acp uint32) = kernel32.GetACP
892//sys MultiByteToWideChar(codePage uint32, dwFlags uint32, str *byte, nstr int32, wchar *uint16, nwchar int32) (nwrite int32, err error) = kernel32.MultiByteToWideChar
893//sys getBestInterfaceEx(sockaddr unsafe.Pointer, pdwBestIfIndex *uint32) (errcode error) = iphlpapi.GetBestInterfaceEx
894//sys GetIfEntry2Ex(level uint32, row *MibIfRow2) (errcode error) = iphlpapi.GetIfEntry2Ex
895//sys GetIpForwardEntry2(row *MibIpForwardRow2) (errcode error) = iphlpapi.GetIpForwardEntry2
896//sys GetIpForwardTable2(family uint16, table **MibIpForwardTable2) (errcode error) = iphlpapi.GetIpForwardTable2
897//sys GetUnicastIpAddressEntry(row *MibUnicastIpAddressRow) (errcode error) = iphlpapi.GetUnicastIpAddressEntry
898//sys FreeMibTable(memory unsafe.Pointer) = iphlpapi.FreeMibTable
899//sys NotifyIpInterfaceChange(family uint16, callback uintptr, callerContext unsafe.Pointer, initialNotification bool, notificationHandle *Handle) (errcode error) = iphlpapi.NotifyIpInterfaceChange
900//sys NotifyRouteChange2(family uint16, callback uintptr, callerContext unsafe.Pointer, initialNotification bool, notificationHandle *Handle) (errcode error) = iphlpapi.NotifyRouteChange2
901//sys NotifyUnicastIpAddressChange(family uint16, callback uintptr, callerContext unsafe.Pointer, initialNotification bool, notificationHandle *Handle) (errcode error) = iphlpapi.NotifyUnicastIpAddressChange
902//sys CancelMibChangeNotify2(notificationHandle Handle) (errcode error) = iphlpapi.CancelMibChangeNotify2
903//sys IsProcessorFeaturePresent(ProcessorFeature uint32) (ret bool) = kernel32.IsProcessorFeaturePresent
904
905// For testing: clients can set this flag to force
906// creation of IPv6 sockets to return EAFNOSUPPORT.
907var SocketDisableIPv6 bool
908
909type RawSockaddrInet4 struct {
910 Family uint16
911 Port uint16
912 Addr [4]byte /* in_addr */
913 Zero [8]uint8
914}
915
916type RawSockaddrInet6 struct {
917 Family uint16
918 Port uint16
919 Flowinfo uint32
920 Addr [16]byte /* in6_addr */
921 Scope_id uint32
922}
923
924// RawSockaddrInet is a union that contains an IPv4, an IPv6 address, or an address family. See
925// https://learn.microsoft.com/en-us/windows/win32/api/ws2ipdef/ns-ws2ipdef-sockaddr_inet.
926//
927// A [*RawSockaddrInet] may be converted to a [*RawSockaddrInet4] or [*RawSockaddrInet6] using
928// unsafe, depending on the address family.
929type RawSockaddrInet struct {
930 Family uint16
931 Port uint16
932 Data [6]uint32
933}
934
935type RawSockaddr struct {
936 Family uint16
937 Data [14]int8
938}
939
940type RawSockaddrAny struct {
941 Addr RawSockaddr
942 Pad [100]int8
943}
944
945type Sockaddr interface {
946 sockaddr() (ptr unsafe.Pointer, len int32, err error) // lowercase; only we can define Sockaddrs
947}
948
949type SockaddrInet4 struct {
950 Port int
951 Addr [4]byte
952 raw RawSockaddrInet4
953}
954
955func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, int32, error) {
956 if sa.Port < 0 || sa.Port > 0xFFFF {
957 return nil, 0, syscall.EINVAL
958 }
959 sa.raw.Family = AF_INET
960 p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
961 p[0] = byte(sa.Port >> 8)
962 p[1] = byte(sa.Port)
963 sa.raw.Addr = sa.Addr
964 return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil
965}
966
967type SockaddrInet6 struct {
968 Port int
969 ZoneId uint32
970 Addr [16]byte
971 raw RawSockaddrInet6
972}
973
974func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, int32, error) {
975 if sa.Port < 0 || sa.Port > 0xFFFF {
976 return nil, 0, syscall.EINVAL
977 }
978 sa.raw.Family = AF_INET6
979 p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
980 p[0] = byte(sa.Port >> 8)
981 p[1] = byte(sa.Port)
982 sa.raw.Scope_id = sa.ZoneId
983 sa.raw.Addr = sa.Addr
984 return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil
985}
986
987type RawSockaddrUnix struct {
988 Family uint16
989 Path [UNIX_PATH_MAX]int8
990}
991
992type SockaddrUnix struct {
993 Name string
994 raw RawSockaddrUnix
995}
996
997func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, int32, error) {
998 name := sa.Name
999 n := len(name)
1000 if n > len(sa.raw.Path) {
1001 return nil, 0, syscall.EINVAL
1002 }
1003 if n == len(sa.raw.Path) && name[0] != '@' {
1004 return nil, 0, syscall.EINVAL
1005 }
1006 sa.raw.Family = AF_UNIX
1007 for i := 0; i < n; i++ {
1008 sa.raw.Path[i] = int8(name[i])
1009 }
1010 // length is family (uint16), name, NUL.
1011 sl := int32(2)
1012 if n > 0 {
1013 sl += int32(n) + 1
1014 }
1015 if sa.raw.Path[0] == '@' || (sa.raw.Path[0] == 0 && sl > 3) {
1016 // Check sl > 3 so we don't change unnamed socket behavior.
1017 sa.raw.Path[0] = 0
1018 // Don't count trailing NUL for abstract address.
1019 sl--
1020 }
1021
1022 return unsafe.Pointer(&sa.raw), sl, nil
1023}
1024
1025type RawSockaddrBth struct {
1026 AddressFamily [2]byte
1027 BtAddr [8]byte
1028 ServiceClassId [16]byte
1029 Port [4]byte
1030}
1031
1032type SockaddrBth struct {
1033 BtAddr uint64
1034 ServiceClassId GUID
1035 Port uint32
1036
1037 raw RawSockaddrBth
1038}
1039
1040func (sa *SockaddrBth) sockaddr() (unsafe.Pointer, int32, error) {
1041 family := AF_BTH
1042 sa.raw = RawSockaddrBth{
1043 AddressFamily: *(*[2]byte)(unsafe.Pointer(&family)),
1044 BtAddr: *(*[8]byte)(unsafe.Pointer(&sa.BtAddr)),
1045 Port: *(*[4]byte)(unsafe.Pointer(&sa.Port)),
1046 ServiceClassId: *(*[16]byte)(unsafe.Pointer(&sa.ServiceClassId)),
1047 }
1048 return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil
1049}
1050
1051func (rsa *RawSockaddrAny) Sockaddr() (Sockaddr, error) {
1052 switch rsa.Addr.Family {
1053 case AF_UNIX:
1054 pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa))
1055 sa := new(SockaddrUnix)
1056 if pp.Path[0] == 0 {
1057 // "Abstract" Unix domain socket.
1058 // Rewrite leading NUL as @ for textual display.
1059 // (This is the standard convention.)
1060 // Not friendly to overwrite in place,
1061 // but the callers below don't care.
1062 pp.Path[0] = '@'
1063 }
1064
1065 // Assume path ends at NUL.
1066 // This is not technically the Linux semantics for
1067 // abstract Unix domain sockets--they are supposed
1068 // to be uninterpreted fixed-size binary blobs--but
1069 // everyone uses this convention.
1070 n := 0
1071 for n < len(pp.Path) && pp.Path[n] != 0 {
1072 n++
1073 }
1074 sa.Name = string(unsafe.Slice((*byte)(unsafe.Pointer(&pp.Path[0])), n))
1075 return sa, nil
1076
1077 case AF_INET:
1078 pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa))
1079 sa := new(SockaddrInet4)
1080 p := (*[2]byte)(unsafe.Pointer(&pp.Port))
1081 sa.Port = int(p[0])<<8 + int(p[1])
1082 sa.Addr = pp.Addr
1083 return sa, nil
1084
1085 case AF_INET6:
1086 pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa))
1087 sa := new(SockaddrInet6)
1088 p := (*[2]byte)(unsafe.Pointer(&pp.Port))
1089 sa.Port = int(p[0])<<8 + int(p[1])
1090 sa.ZoneId = pp.Scope_id
1091 sa.Addr = pp.Addr
1092 return sa, nil
1093 }
1094 return nil, syscall.EAFNOSUPPORT
1095}
1096
1097func Socket(domain, typ, proto int) (fd Handle, err error) {
1098 if domain == AF_INET6 && SocketDisableIPv6 {
1099 return InvalidHandle, syscall.EAFNOSUPPORT
1100 }
1101 return socket(int32(domain), int32(typ), int32(proto))
1102}
1103
1104func SetsockoptInt(fd Handle, level, opt int, value int) (err error) {
1105 v := int32(value)
1106 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&v)), int32(unsafe.Sizeof(v)))
1107}
1108
1109func Bind(fd Handle, sa Sockaddr) (err error) {
1110 ptr, n, err := sa.sockaddr()
1111 if err != nil {
1112 return err
1113 }
1114 return bind(fd, ptr, n)
1115}
1116
1117func Connect(fd Handle, sa Sockaddr) (err error) {
1118 ptr, n, err := sa.sockaddr()
1119 if err != nil {
1120 return err
1121 }
1122 return connect(fd, ptr, n)
1123}
1124
1125func GetBestInterfaceEx(sa Sockaddr, pdwBestIfIndex *uint32) (err error) {
1126 ptr, _, err := sa.sockaddr()
1127 if err != nil {
1128 return err
1129 }
1130 return getBestInterfaceEx(ptr, pdwBestIfIndex)
1131}
1132
1133func Getsockname(fd Handle) (sa Sockaddr, err error) {
1134 var rsa RawSockaddrAny
1135 l := int32(unsafe.Sizeof(rsa))
1136 if err = getsockname(fd, &rsa, &l); err != nil {
1137 return
1138 }
1139 return rsa.Sockaddr()
1140}
1141
1142func Getpeername(fd Handle) (sa Sockaddr, err error) {
1143 var rsa RawSockaddrAny
1144 l := int32(unsafe.Sizeof(rsa))
1145 if err = getpeername(fd, &rsa, &l); err != nil {
1146 return
1147 }
1148 return rsa.Sockaddr()
1149}
1150
1151func Listen(s Handle, n int) (err error) {
1152 return listen(s, int32(n))
1153}
1154
1155func Shutdown(fd Handle, how int) (err error) {
1156 return shutdown(fd, int32(how))
1157}
1158
1159func WSASendto(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, to Sockaddr, overlapped *Overlapped, croutine *byte) (err error) {
1160 var rsa unsafe.Pointer
1161 var l int32
1162 if to != nil {
1163 rsa, l, err = to.sockaddr()
1164 if err != nil {
1165 return err
1166 }
1167 }
1168 return WSASendTo(s, bufs, bufcnt, sent, flags, (*RawSockaddrAny)(unsafe.Pointer(rsa)), l, overlapped, croutine)
1169}
1170
1171func LoadGetAddrInfo() error {
1172 return procGetAddrInfoW.Find()
1173}
1174
1175var connectExFunc struct {
1176 once sync.Once
1177 addr uintptr
1178 err error
1179}
1180
1181func LoadConnectEx() error {
1182 connectExFunc.once.Do(func() {
1183 var s Handle
1184 s, connectExFunc.err = Socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
1185 if connectExFunc.err != nil {
1186 return
1187 }
1188 defer CloseHandle(s)
1189 var n uint32
1190 connectExFunc.err = WSAIoctl(s,
1191 SIO_GET_EXTENSION_FUNCTION_POINTER,
1192 (*byte)(unsafe.Pointer(&WSAID_CONNECTEX)),
1193 uint32(unsafe.Sizeof(WSAID_CONNECTEX)),
1194 (*byte)(unsafe.Pointer(&connectExFunc.addr)),
1195 uint32(unsafe.Sizeof(connectExFunc.addr)),
1196 &n, nil, 0)
1197 })
1198 return connectExFunc.err
1199}
1200
1201func connectEx(s Handle, name unsafe.Pointer, namelen int32, sendBuf *byte, sendDataLen uint32, bytesSent *uint32, overlapped *Overlapped) (err error) {
1202 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)
1203 if r1 == 0 {
1204 if e1 != 0 {
1205 err = error(e1)
1206 } else {
1207 err = syscall.EINVAL
1208 }
1209 }
1210 return
1211}
1212
1213func ConnectEx(fd Handle, sa Sockaddr, sendBuf *byte, sendDataLen uint32, bytesSent *uint32, overlapped *Overlapped) error {
1214 err := LoadConnectEx()
1215 if err != nil {
1216 return errorspkg.New("failed to find ConnectEx: " + err.Error())
1217 }
1218 ptr, n, err := sa.sockaddr()
1219 if err != nil {
1220 return err
1221 }
1222 return connectEx(fd, ptr, n, sendBuf, sendDataLen, bytesSent, overlapped)
1223}
1224
1225var sendRecvMsgFunc struct {
1226 once sync.Once
1227 sendAddr uintptr
1228 recvAddr uintptr
1229 err error
1230}
1231
1232func loadWSASendRecvMsg() error {
1233 sendRecvMsgFunc.once.Do(func() {
1234 var s Handle
1235 s, sendRecvMsgFunc.err = Socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)
1236 if sendRecvMsgFunc.err != nil {
1237 return
1238 }
1239 defer CloseHandle(s)
1240 var n uint32
1241 sendRecvMsgFunc.err = WSAIoctl(s,
1242 SIO_GET_EXTENSION_FUNCTION_POINTER,
1243 (*byte)(unsafe.Pointer(&WSAID_WSARECVMSG)),
1244 uint32(unsafe.Sizeof(WSAID_WSARECVMSG)),
1245 (*byte)(unsafe.Pointer(&sendRecvMsgFunc.recvAddr)),
1246 uint32(unsafe.Sizeof(sendRecvMsgFunc.recvAddr)),
1247 &n, nil, 0)
1248 if sendRecvMsgFunc.err != nil {
1249 return
1250 }
1251 sendRecvMsgFunc.err = WSAIoctl(s,
1252 SIO_GET_EXTENSION_FUNCTION_POINTER,
1253 (*byte)(unsafe.Pointer(&WSAID_WSASENDMSG)),
1254 uint32(unsafe.Sizeof(WSAID_WSASENDMSG)),
1255 (*byte)(unsafe.Pointer(&sendRecvMsgFunc.sendAddr)),
1256 uint32(unsafe.Sizeof(sendRecvMsgFunc.sendAddr)),
1257 &n, nil, 0)
1258 })
1259 return sendRecvMsgFunc.err
1260}
1261
1262func WSASendMsg(fd Handle, msg *WSAMsg, flags uint32, bytesSent *uint32, overlapped *Overlapped, croutine *byte) error {
1263 err := loadWSASendRecvMsg()
1264 if err != nil {
1265 return err
1266 }
1267 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)))
1268 if r1 == socket_error {
1269 err = errnoErr(e1)
1270 }
1271 return err
1272}
1273
1274func WSARecvMsg(fd Handle, msg *WSAMsg, bytesReceived *uint32, overlapped *Overlapped, croutine *byte) error {
1275 err := loadWSASendRecvMsg()
1276 if err != nil {
1277 return err
1278 }
1279 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)
1280 if r1 == socket_error {
1281 err = errnoErr(e1)
1282 }
1283 return err
1284}
1285
1286// Invented structures to support what package os expects.
1287type Rusage struct {
1288 CreationTime Filetime
1289 ExitTime Filetime
1290 KernelTime Filetime
1291 UserTime Filetime
1292}
1293
1294type WaitStatus struct {
1295 ExitCode uint32
1296}
1297
1298func (w WaitStatus) Exited() bool { return true }
1299
1300func (w WaitStatus) ExitStatus() int { return int(w.ExitCode) }
1301
1302func (w WaitStatus) Signal() Signal { return -1 }
1303
1304func (w WaitStatus) CoreDump() bool { return false }
1305
1306func (w WaitStatus) Stopped() bool { return false }
1307
1308func (w WaitStatus) Continued() bool { return false }
1309
1310func (w WaitStatus) StopSignal() Signal { return -1 }
1311
1312func (w WaitStatus) Signaled() bool { return false }
1313
1314func (w WaitStatus) TrapCause() int { return -1 }
1315
1316// Timespec is an invented structure on Windows, but here for
1317// consistency with the corresponding package for other operating systems.
1318type Timespec struct {
1319 Sec int64
1320 Nsec int64
1321}
1322
1323func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
1324
1325func NsecToTimespec(nsec int64) (ts Timespec) {
1326 ts.Sec = nsec / 1e9
1327 ts.Nsec = nsec % 1e9
1328 return
1329}
1330
1331// TODO(brainman): fix all needed for net
1332
1333func Accept(fd Handle) (nfd Handle, sa Sockaddr, err error) { return 0, nil, syscall.EWINDOWS }
1334
1335func Recvfrom(fd Handle, p []byte, flags int) (n int, from Sockaddr, err error) {
1336 var rsa RawSockaddrAny
1337 l := int32(unsafe.Sizeof(rsa))
1338 n32, err := recvfrom(fd, p, int32(flags), &rsa, &l)
1339 n = int(n32)
1340 if err != nil {
1341 return
1342 }
1343 from, err = rsa.Sockaddr()
1344 return
1345}
1346
1347func Sendto(fd Handle, p []byte, flags int, to Sockaddr) (err error) {
1348 ptr, l, err := to.sockaddr()
1349 if err != nil {
1350 return err
1351 }
1352 return sendto(fd, p, int32(flags), ptr, l)
1353}
1354
1355func SetsockoptTimeval(fd Handle, level, opt int, tv *Timeval) (err error) { return syscall.EWINDOWS }
1356
1357// The Linger struct is wrong but we only noticed after Go 1.
1358// sysLinger is the real system call structure.
1359
1360// BUG(brainman): The definition of Linger is not appropriate for direct use
1361// with Setsockopt and Getsockopt.
1362// Use SetsockoptLinger instead.
1363
1364type Linger struct {
1365 Onoff int32
1366 Linger int32
1367}
1368
1369type sysLinger struct {
1370 Onoff uint16
1371 Linger uint16
1372}
1373
1374type IPMreq struct {
1375 Multiaddr [4]byte /* in_addr */
1376 Interface [4]byte /* in_addr */
1377}
1378
1379type IPv6Mreq struct {
1380 Multiaddr [16]byte /* in6_addr */
1381 Interface uint32
1382}
1383
1384func GetsockoptInt(fd Handle, level, opt int) (int, error) {
1385 v := int32(0)
1386 l := int32(unsafe.Sizeof(v))
1387 err := Getsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&v)), &l)
1388 return int(v), err
1389}
1390
1391func SetsockoptLinger(fd Handle, level, opt int, l *Linger) (err error) {
1392 sys := sysLinger{Onoff: uint16(l.Onoff), Linger: uint16(l.Linger)}
1393 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&sys)), int32(unsafe.Sizeof(sys)))
1394}
1395
1396func SetsockoptInet4Addr(fd Handle, level, opt int, value [4]byte) (err error) {
1397 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&value[0])), 4)
1398}
1399
1400func SetsockoptIPMreq(fd Handle, level, opt int, mreq *IPMreq) (err error) {
1401 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(mreq)), int32(unsafe.Sizeof(*mreq)))
1402}
1403
1404func SetsockoptIPv6Mreq(fd Handle, level, opt int, mreq *IPv6Mreq) (err error) {
1405 return syscall.EWINDOWS
1406}
1407
1408func EnumProcesses(processIds []uint32, bytesReturned *uint32) error {
1409 // EnumProcesses syscall expects the size parameter to be in bytes, but the code generated with mksyscall uses
1410 // the length of the processIds slice instead. Hence, this wrapper function is added to fix the discrepancy.
1411 var p *uint32
1412 if len(processIds) > 0 {
1413 p = &processIds[0]
1414 }
1415 size := uint32(len(processIds) * 4)
1416 return enumProcesses(p, size, bytesReturned)
1417}
1418
1419func Getpid() (pid int) { return int(GetCurrentProcessId()) }
1420
1421func FindFirstFile(name *uint16, data *Win32finddata) (handle Handle, err error) {
1422 // NOTE(rsc): The Win32finddata struct is wrong for the system call:
1423 // the two paths are each one uint16 short. Use the correct struct,
1424 // a win32finddata1, and then copy the results out.
1425 // There is no loss of expressivity here, because the final
1426 // uint16, if it is used, is supposed to be a NUL, and Go doesn't need that.
1427 // For Go 1.1, we might avoid the allocation of win32finddata1 here
1428 // by adding a final Bug [2]uint16 field to the struct and then
1429 // adjusting the fields in the result directly.
1430 var data1 win32finddata1
1431 handle, err = findFirstFile1(name, &data1)
1432 if err == nil {
1433 copyFindData(data, &data1)
1434 }
1435 return
1436}
1437
1438func FindNextFile(handle Handle, data *Win32finddata) (err error) {
1439 var data1 win32finddata1
1440 err = findNextFile1(handle, &data1)
1441 if err == nil {
1442 copyFindData(data, &data1)
1443 }
1444 return
1445}
1446
1447func getProcessEntry(pid int) (*ProcessEntry32, error) {
1448 snapshot, err := CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0)
1449 if err != nil {
1450 return nil, err
1451 }
1452 defer CloseHandle(snapshot)
1453 var procEntry ProcessEntry32
1454 procEntry.Size = uint32(unsafe.Sizeof(procEntry))
1455 if err = Process32First(snapshot, &procEntry); err != nil {
1456 return nil, err
1457 }
1458 for {
1459 if procEntry.ProcessID == uint32(pid) {
1460 return &procEntry, nil
1461 }
1462 err = Process32Next(snapshot, &procEntry)
1463 if err != nil {
1464 return nil, err
1465 }
1466 }
1467}
1468
1469func Getppid() (ppid int) {
1470 pe, err := getProcessEntry(Getpid())
1471 if err != nil {
1472 return -1
1473 }
1474 return int(pe.ParentProcessID)
1475}
1476
1477// TODO(brainman): fix all needed for os
1478func Fchdir(fd Handle) (err error) { return syscall.EWINDOWS }
1479func Link(oldpath, newpath string) (err error) { return syscall.EWINDOWS }
1480func Symlink(path, link string) (err error) { return syscall.EWINDOWS }
1481
1482func Fchmod(fd Handle, mode uint32) (err error) { return syscall.EWINDOWS }
1483func Chown(path string, uid int, gid int) (err error) { return syscall.EWINDOWS }
1484func Lchown(path string, uid int, gid int) (err error) { return syscall.EWINDOWS }
1485func Fchown(fd Handle, uid int, gid int) (err error) { return syscall.EWINDOWS }
1486
1487func Getuid() (uid int) { return -1 }
1488func Geteuid() (euid int) { return -1 }
1489func Getgid() (gid int) { return -1 }
1490func Getegid() (egid int) { return -1 }
1491func Getgroups() (gids []int, err error) { return nil, syscall.EWINDOWS }
1492
1493func LoadCreateSymbolicLink() error {
1494 return procCreateSymbolicLinkW.Find()
1495}
1496
1497// Readlink returns the destination of the named symbolic link.
1498func Readlink(path string, buf []byte) (n int, err error) {
1499 fd, err := CreateFile(StringToUTF16Ptr(path), GENERIC_READ, 0, nil, OPEN_EXISTING,
1500 FILE_FLAG_OPEN_REPARSE_POINT|FILE_FLAG_BACKUP_SEMANTICS, 0)
1501 if err != nil {
1502 return -1, err
1503 }
1504 defer CloseHandle(fd)
1505
1506 rdbbuf := make([]byte, MAXIMUM_REPARSE_DATA_BUFFER_SIZE)
1507 var bytesReturned uint32
1508 err = DeviceIoControl(fd, FSCTL_GET_REPARSE_POINT, nil, 0, &rdbbuf[0], uint32(len(rdbbuf)), &bytesReturned, nil)
1509 if err != nil {
1510 return -1, err
1511 }
1512
1513 rdb := (*reparseDataBuffer)(unsafe.Pointer(&rdbbuf[0]))
1514 var s string
1515 switch rdb.ReparseTag {
1516 case IO_REPARSE_TAG_SYMLINK:
1517 data := (*symbolicLinkReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer))
1518 p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0]))
1519 s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2])
1520 case IO_REPARSE_TAG_MOUNT_POINT:
1521 data := (*mountPointReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer))
1522 p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0]))
1523 s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2])
1524 default:
1525 // the path is not a symlink or junction but another type of reparse
1526 // point
1527 return -1, syscall.ENOENT
1528 }
1529 n = copy(buf, []byte(s))
1530
1531 return n, nil
1532}
1533
1534// GUIDFromString parses a string in the form of
1535// "{XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}" into a GUID.
1536func GUIDFromString(str string) (GUID, error) {
1537 guid := GUID{}
1538 str16, err := syscall.UTF16PtrFromString(str)
1539 if err != nil {
1540 return guid, err
1541 }
1542 err = clsidFromString(str16, &guid)
1543 if err != nil {
1544 return guid, err
1545 }
1546 return guid, nil
1547}
1548
1549// GenerateGUID creates a new random GUID.
1550func GenerateGUID() (GUID, error) {
1551 guid := GUID{}
1552 err := coCreateGuid(&guid)
1553 if err != nil {
1554 return guid, err
1555 }
1556 return guid, nil
1557}
1558
1559// String returns the canonical string form of the GUID,
1560// in the form of "{XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}".
1561func (guid GUID) String() string {
1562 var str [100]uint16
1563 chars := stringFromGUID2(&guid, &str[0], int32(len(str)))
1564 if chars <= 1 {
1565 return ""
1566 }
1567 return string(utf16.Decode(str[:chars-1]))
1568}
1569
1570// KnownFolderPath returns a well-known folder path for the current user, specified by one of
1571// the FOLDERID_ constants, and chosen and optionally created based on a KF_ flag.
1572func KnownFolderPath(folderID *KNOWNFOLDERID, flags uint32) (string, error) {
1573 return Token(0).KnownFolderPath(folderID, flags)
1574}
1575
1576// KnownFolderPath returns a well-known folder path for the user token, specified by one of
1577// the FOLDERID_ constants, and chosen and optionally created based on a KF_ flag.
1578func (t Token) KnownFolderPath(folderID *KNOWNFOLDERID, flags uint32) (string, error) {
1579 var p *uint16
1580 err := shGetKnownFolderPath(folderID, flags, t, &p)
1581 if err != nil {
1582 return "", err
1583 }
1584 defer CoTaskMemFree(unsafe.Pointer(p))
1585 return UTF16PtrToString(p), nil
1586}
1587
1588// RtlGetVersion returns the version of the underlying operating system, ignoring
1589// manifest semantics but is affected by the application compatibility layer.
1590func RtlGetVersion() *OsVersionInfoEx {
1591 info := &OsVersionInfoEx{}
1592 info.osVersionInfoSize = uint32(unsafe.Sizeof(*info))
1593 // According to documentation, this function always succeeds.
1594 // The function doesn't even check the validity of the
1595 // osVersionInfoSize member. Disassembling ntdll.dll indicates
1596 // that the documentation is indeed correct about that.
1597 _ = rtlGetVersion(info)
1598 return info
1599}
1600
1601// RtlGetNtVersionNumbers returns the version of the underlying operating system,
1602// ignoring manifest semantics and the application compatibility layer.
1603func RtlGetNtVersionNumbers() (majorVersion, minorVersion, buildNumber uint32) {
1604 rtlGetNtVersionNumbers(&majorVersion, &minorVersion, &buildNumber)
1605 buildNumber &= 0xffff
1606 return
1607}
1608
1609// GetProcessPreferredUILanguages retrieves the process preferred UI languages.
1610func GetProcessPreferredUILanguages(flags uint32) ([]string, error) {
1611 return getUILanguages(flags, getProcessPreferredUILanguages)
1612}
1613
1614// GetThreadPreferredUILanguages retrieves the thread preferred UI languages for the current thread.
1615func GetThreadPreferredUILanguages(flags uint32) ([]string, error) {
1616 return getUILanguages(flags, getThreadPreferredUILanguages)
1617}
1618
1619// GetUserPreferredUILanguages retrieves information about the user preferred UI languages.
1620func GetUserPreferredUILanguages(flags uint32) ([]string, error) {
1621 return getUILanguages(flags, getUserPreferredUILanguages)
1622}
1623
1624// GetSystemPreferredUILanguages retrieves the system preferred UI languages.
1625func GetSystemPreferredUILanguages(flags uint32) ([]string, error) {
1626 return getUILanguages(flags, getSystemPreferredUILanguages)
1627}
1628
1629func getUILanguages(flags uint32, f func(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) error) ([]string, error) {
1630 size := uint32(128)
1631 for {
1632 var numLanguages uint32
1633 buf := make([]uint16, size)
1634 err := f(flags, &numLanguages, &buf[0], &size)
1635 if err == ERROR_INSUFFICIENT_BUFFER {
1636 continue
1637 }
1638 if err != nil {
1639 return nil, err
1640 }
1641 buf = buf[:size]
1642 if numLanguages == 0 || len(buf) == 0 { // GetProcessPreferredUILanguages may return numLanguages==0 with "\0\0"
1643 return []string{}, nil
1644 }
1645 if buf[len(buf)-1] == 0 {
1646 buf = buf[:len(buf)-1] // remove terminating null
1647 }
1648 languages := make([]string, 0, numLanguages)
1649 from := 0
1650 for i, c := range buf {
1651 if c == 0 {
1652 languages = append(languages, string(utf16.Decode(buf[from:i])))
1653 from = i + 1
1654 }
1655 }
1656 return languages, nil
1657 }
1658}
1659
1660func SetConsoleCursorPosition(console Handle, position Coord) error {
1661 return setConsoleCursorPosition(console, *((*uint32)(unsafe.Pointer(&position))))
1662}
1663
1664func GetStartupInfo(startupInfo *StartupInfo) error {
1665 getStartupInfo(startupInfo)
1666 return nil
1667}
1668
1669func (s NTStatus) Errno() syscall.Errno {
1670 return rtlNtStatusToDosErrorNoTeb(s)
1671}
1672
1673func langID(pri, sub uint16) uint32 { return uint32(sub)<<10 | uint32(pri) }
1674
1675func (s NTStatus) Error() string {
1676 b := make([]uint16, 300)
1677 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)
1678 if err != nil {
1679 return fmt.Sprintf("NTSTATUS 0x%08x", uint32(s))
1680 }
1681 // trim terminating \r and \n
1682 for ; n > 0 && (b[n-1] == '\n' || b[n-1] == '\r'); n-- {
1683 }
1684 return string(utf16.Decode(b[:n]))
1685}
1686
1687// NewNTUnicodeString returns a new NTUnicodeString structure for use with native
1688// NT APIs that work over the NTUnicodeString type. Note that most Windows APIs
1689// do not use NTUnicodeString, and instead UTF16PtrFromString should be used for
1690// the more common *uint16 string type.
1691func NewNTUnicodeString(s string) (*NTUnicodeString, error) {
1692 s16, err := UTF16FromString(s)
1693 if err != nil {
1694 return nil, err
1695 }
1696 n := uint16(len(s16) * 2)
1697 return &NTUnicodeString{
1698 Length: n - 2, // subtract 2 bytes for the NULL terminator
1699 MaximumLength: n,
1700 Buffer: &s16[0],
1701 }, nil
1702}
1703
1704// Slice returns a uint16 slice that aliases the data in the NTUnicodeString.
1705func (s *NTUnicodeString) Slice() []uint16 {
1706 // Note: this rounds the length down, if it happens
1707 // to (incorrectly) be odd. Probably safer than rounding up.
1708 return unsafe.Slice(s.Buffer, s.MaximumLength/2)[:s.Length/2]
1709}
1710
1711func (s *NTUnicodeString) String() string {
1712 return UTF16ToString(s.Slice())
1713}
1714
1715// NewNTString returns a new NTString structure for use with native
1716// NT APIs that work over the NTString type. Note that most Windows APIs
1717// do not use NTString, and instead UTF16PtrFromString should be used for
1718// the more common *uint16 string type.
1719func NewNTString(s string) (*NTString, error) {
1720 var nts NTString
1721 s8, err := BytePtrFromString(s)
1722 if err != nil {
1723 return nil, err
1724 }
1725 RtlInitString(&nts, s8)
1726 return &nts, nil
1727}
1728
1729// Slice returns a byte slice that aliases the data in the NTString.
1730func (s *NTString) Slice() []byte {
1731 slice := unsafe.Slice(s.Buffer, s.MaximumLength)
1732 return slice[:s.Length]
1733}
1734
1735func (s *NTString) String() string {
1736 return ByteSliceToString(s.Slice())
1737}
1738
1739// FindResource resolves a resource of the given name and resource type.
1740func FindResource(module Handle, name, resType ResourceIDOrString) (Handle, error) {
1741 var namePtr, resTypePtr uintptr
1742 var name16, resType16 *uint16
1743 var err error
1744 resolvePtr := func(i interface{}, keep **uint16) (uintptr, error) {
1745 switch v := i.(type) {
1746 case string:
1747 *keep, err = UTF16PtrFromString(v)
1748 if err != nil {
1749 return 0, err
1750 }
1751 return uintptr(unsafe.Pointer(*keep)), nil
1752 case ResourceID:
1753 return uintptr(v), nil
1754 }
1755 return 0, errorspkg.New("parameter must be a ResourceID or a string")
1756 }
1757 namePtr, err = resolvePtr(name, &name16)
1758 if err != nil {
1759 return 0, err
1760 }
1761 resTypePtr, err = resolvePtr(resType, &resType16)
1762 if err != nil {
1763 return 0, err
1764 }
1765 resInfo, err := findResource(module, namePtr, resTypePtr)
1766 runtime.KeepAlive(name16)
1767 runtime.KeepAlive(resType16)
1768 return resInfo, err
1769}
1770
1771func LoadResourceData(module, resInfo Handle) (data []byte, err error) {
1772 size, err := SizeofResource(module, resInfo)
1773 if err != nil {
1774 return
1775 }
1776 resData, err := LoadResource(module, resInfo)
1777 if err != nil {
1778 return
1779 }
1780 ptr, err := LockResource(resData)
1781 if err != nil {
1782 return
1783 }
1784 data = unsafe.Slice((*byte)(unsafe.Pointer(ptr)), size)
1785 return
1786}
1787
1788// PSAPI_WORKING_SET_EX_BLOCK contains extended working set information for a page.
1789type PSAPI_WORKING_SET_EX_BLOCK uint64
1790
1791// Valid returns the validity of this page.
1792// If this bit is 1, the subsequent members are valid; otherwise they should be ignored.
1793func (b PSAPI_WORKING_SET_EX_BLOCK) Valid() bool {
1794 return (b & 1) == 1
1795}
1796
1797// ShareCount is the number of processes that share this page. The maximum value of this member is 7.
1798func (b PSAPI_WORKING_SET_EX_BLOCK) ShareCount() uint64 {
1799 return b.intField(1, 3)
1800}
1801
1802// Win32Protection is the memory protection attributes of the page. For a list of values, see
1803// https://docs.microsoft.com/en-us/windows/win32/memory/memory-protection-constants
1804func (b PSAPI_WORKING_SET_EX_BLOCK) Win32Protection() uint64 {
1805 return b.intField(4, 11)
1806}
1807
1808// Shared returns the shared status of this page.
1809// If this bit is 1, the page can be shared.
1810func (b PSAPI_WORKING_SET_EX_BLOCK) Shared() bool {
1811 return (b & (1 << 15)) == 1
1812}
1813
1814// Node is the NUMA node. The maximum value of this member is 63.
1815func (b PSAPI_WORKING_SET_EX_BLOCK) Node() uint64 {
1816 return b.intField(16, 6)
1817}
1818
1819// Locked returns the locked status of this page.
1820// If this bit is 1, the virtual page is locked in physical memory.
1821func (b PSAPI_WORKING_SET_EX_BLOCK) Locked() bool {
1822 return (b & (1 << 22)) == 1
1823}
1824
1825// LargePage returns the large page status of this page.
1826// If this bit is 1, the page is a large page.
1827func (b PSAPI_WORKING_SET_EX_BLOCK) LargePage() bool {
1828 return (b & (1 << 23)) == 1
1829}
1830
1831// Bad returns the bad status of this page.
1832// If this bit is 1, the page is has been reported as bad.
1833func (b PSAPI_WORKING_SET_EX_BLOCK) Bad() bool {
1834 return (b & (1 << 31)) == 1
1835}
1836
1837// intField extracts an integer field in the PSAPI_WORKING_SET_EX_BLOCK union.
1838func (b PSAPI_WORKING_SET_EX_BLOCK) intField(start, length int) uint64 {
1839 var mask PSAPI_WORKING_SET_EX_BLOCK
1840 for pos := start; pos < start+length; pos++ {
1841 mask |= (1 << pos)
1842 }
1843
1844 masked := b & mask
1845 return uint64(masked >> start)
1846}
1847
1848// PSAPI_WORKING_SET_EX_INFORMATION contains extended working set information for a process.
1849type PSAPI_WORKING_SET_EX_INFORMATION struct {
1850 // The virtual address.
1851 VirtualAddress Pointer
1852 // A PSAPI_WORKING_SET_EX_BLOCK union that indicates the attributes of the page at VirtualAddress.
1853 VirtualAttributes PSAPI_WORKING_SET_EX_BLOCK
1854}
1855
1856// CreatePseudoConsole creates a windows pseudo console.
1857func CreatePseudoConsole(size Coord, in Handle, out Handle, flags uint32, pconsole *Handle) error {
1858 // We need this wrapper to manually cast Coord to uint32. The autogenerated wrappers only
1859 // accept arguments that can be casted to uintptr, and Coord can't.
1860 return createPseudoConsole(*((*uint32)(unsafe.Pointer(&size))), in, out, flags, pconsole)
1861}
1862
1863// ResizePseudoConsole resizes the internal buffers of the pseudo console to the width and height specified in `size`.
1864func ResizePseudoConsole(pconsole Handle, size Coord) error {
1865 // We need this wrapper to manually cast Coord to uint32. The autogenerated wrappers only
1866 // accept arguments that can be casted to uintptr, and Coord can't.
1867 return resizePseudoConsole(pconsole, *((*uint32)(unsafe.Pointer(&size))))
1868}
1869
1870// DCB constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/ns-winbase-dcb.
1871const (
1872 CBR_110 = 110
1873 CBR_300 = 300
1874 CBR_600 = 600
1875 CBR_1200 = 1200
1876 CBR_2400 = 2400
1877 CBR_4800 = 4800
1878 CBR_9600 = 9600
1879 CBR_14400 = 14400
1880 CBR_19200 = 19200
1881 CBR_38400 = 38400
1882 CBR_57600 = 57600
1883 CBR_115200 = 115200
1884 CBR_128000 = 128000
1885 CBR_256000 = 256000
1886
1887 DTR_CONTROL_DISABLE = 0x00000000
1888 DTR_CONTROL_ENABLE = 0x00000010
1889 DTR_CONTROL_HANDSHAKE = 0x00000020
1890
1891 RTS_CONTROL_DISABLE = 0x00000000
1892 RTS_CONTROL_ENABLE = 0x00001000
1893 RTS_CONTROL_HANDSHAKE = 0x00002000
1894 RTS_CONTROL_TOGGLE = 0x00003000
1895
1896 NOPARITY = 0
1897 ODDPARITY = 1
1898 EVENPARITY = 2
1899 MARKPARITY = 3
1900 SPACEPARITY = 4
1901
1902 ONESTOPBIT = 0
1903 ONE5STOPBITS = 1
1904 TWOSTOPBITS = 2
1905)
1906
1907// EscapeCommFunction constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-escapecommfunction.
1908const (
1909 SETXOFF = 1
1910 SETXON = 2
1911 SETRTS = 3
1912 CLRRTS = 4
1913 SETDTR = 5
1914 CLRDTR = 6
1915 SETBREAK = 8
1916 CLRBREAK = 9
1917)
1918
1919// PurgeComm constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-purgecomm.
1920const (
1921 PURGE_TXABORT = 0x0001
1922 PURGE_RXABORT = 0x0002
1923 PURGE_TXCLEAR = 0x0004
1924 PURGE_RXCLEAR = 0x0008
1925)
1926
1927// SetCommMask constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-setcommmask.
1928const (
1929 EV_RXCHAR = 0x0001
1930 EV_RXFLAG = 0x0002
1931 EV_TXEMPTY = 0x0004
1932 EV_CTS = 0x0008
1933 EV_DSR = 0x0010
1934 EV_RLSD = 0x0020
1935 EV_BREAK = 0x0040
1936 EV_ERR = 0x0080
1937 EV_RING = 0x0100
1938)