Source file src/cmd/vendor/golang.org/x/sys/windows/syscall_windows.go
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 7 package windows 8 9 import ( 10 errorspkg "errors" 11 "fmt" 12 "runtime" 13 "sync" 14 "syscall" 15 "time" 16 "unicode/utf16" 17 "unsafe" 18 ) 19 20 type ( 21 Handle uintptr 22 HWND uintptr 23 ) 24 25 const ( 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. 77 func 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). 88 func 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. 94 func 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. 101 func 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). 106 func 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. 117 func 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 } 132 133 func 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. 138 func 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. 145 func 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 NtQueryInformationFile(handle Handle, iosb *IO_STATUS_BLOCK, outBuffer *byte, outBufferLen uint32, class uint32) (ntstatus error) = ntdll.NtQueryInformationFile 456 //sys NtSetInformationFile(handle Handle, iosb *IO_STATUS_BLOCK, inBuffer *byte, inBufferLen uint32, class uint32) (ntstatus error) = ntdll.NtSetInformationFile 457 //sys RtlDosPathNameToNtPathName(dosName *uint16, ntName *NTUnicodeString, ntFileNamePart *uint16, relativeName *RTL_RELATIVE_NAME) (ntstatus error) = ntdll.RtlDosPathNameToNtPathName_U_WithStatus 458 //sys RtlDosPathNameToRelativeNtPathName(dosName *uint16, ntName *NTUnicodeString, ntFileNamePart *uint16, relativeName *RTL_RELATIVE_NAME) (ntstatus error) = ntdll.RtlDosPathNameToRelativeNtPathName_U_WithStatus 459 //sys RtlDefaultNpAcl(acl **ACL) (ntstatus error) = ntdll.RtlDefaultNpAcl 460 //sys NtQueryInformationProcess(proc Handle, procInfoClass int32, procInfo unsafe.Pointer, procInfoLen uint32, retLen *uint32) (ntstatus error) = ntdll.NtQueryInformationProcess 461 //sys NtSetInformationProcess(proc Handle, procInfoClass int32, procInfo unsafe.Pointer, procInfoLen uint32) (ntstatus error) = ntdll.NtSetInformationProcess 462 //sys NtQuerySystemInformation(sysInfoClass int32, sysInfo unsafe.Pointer, sysInfoLen uint32, retLen *uint32) (ntstatus error) = ntdll.NtQuerySystemInformation 463 //sys NtSetSystemInformation(sysInfoClass int32, sysInfo unsafe.Pointer, sysInfoLen uint32) (ntstatus error) = ntdll.NtSetSystemInformation 464 //sys NtQueryEaFile(handle Handle, iosb *IO_STATUS_BLOCK, outBuffer *byte, outBufferLen uint32, returnSingleEntry bool, eaList *byte, eaListLen uint32, eaIndex *uint32, restartScan bool) (ntstatus error) = ntdll.NtQueryEaFile 465 //sys NtSetEaFile(handle Handle, iosb *IO_STATUS_BLOCK, inBuffer *byte, inBufferLen uint32) (ntstatus error) = ntdll.NtSetEaFile 466 //sys RtlAddFunctionTable(functionTable *RUNTIME_FUNCTION, entryCount uint32, baseAddress uintptr) (ret bool) = ntdll.RtlAddFunctionTable 467 //sys RtlDeleteFunctionTable(functionTable *RUNTIME_FUNCTION) (ret bool) = ntdll.RtlDeleteFunctionTable 468 469 // Desktop Window Manager API (Dwmapi) 470 //sys DwmGetWindowAttribute(hwnd HWND, attribute uint32, value unsafe.Pointer, size uint32) (ret error) = dwmapi.DwmGetWindowAttribute 471 //sys DwmSetWindowAttribute(hwnd HWND, attribute uint32, value unsafe.Pointer, size uint32) (ret error) = dwmapi.DwmSetWindowAttribute 472 473 // Windows Multimedia API 474 //sys TimeBeginPeriod (period uint32) (err error) [failretval != 0] = winmm.timeBeginPeriod 475 //sys TimeEndPeriod (period uint32) (err error) [failretval != 0] = winmm.timeEndPeriod 476 477 // syscall interface implementation for other packages 478 479 // GetCurrentProcess returns the handle for the current process. 480 // It is a pseudo handle that does not need to be closed. 481 // The returned error is always nil. 482 // 483 // Deprecated: use CurrentProcess for the same Handle without the nil 484 // error. 485 func GetCurrentProcess() (Handle, error) { 486 return CurrentProcess(), nil 487 } 488 489 // CurrentProcess returns the handle for the current process. 490 // It is a pseudo handle that does not need to be closed. 491 func CurrentProcess() Handle { return Handle(^uintptr(1 - 1)) } 492 493 // GetCurrentThread returns the handle for the current thread. 494 // It is a pseudo handle that does not need to be closed. 495 // The returned error is always nil. 496 // 497 // Deprecated: use CurrentThread for the same Handle without the nil 498 // error. 499 func GetCurrentThread() (Handle, error) { 500 return CurrentThread(), nil 501 } 502 503 // CurrentThread returns the handle for the current thread. 504 // It is a pseudo handle that does not need to be closed. 505 func CurrentThread() Handle { return Handle(^uintptr(2 - 1)) } 506 507 // GetProcAddressByOrdinal retrieves the address of the exported 508 // function from module by ordinal. 509 func GetProcAddressByOrdinal(module Handle, ordinal uintptr) (proc uintptr, err error) { 510 r0, _, e1 := syscall.Syscall(procGetProcAddress.Addr(), 2, uintptr(module), ordinal, 0) 511 proc = uintptr(r0) 512 if proc == 0 { 513 err = errnoErr(e1) 514 } 515 return 516 } 517 518 func Exit(code int) { ExitProcess(uint32(code)) } 519 520 func makeInheritSa() *SecurityAttributes { 521 var sa SecurityAttributes 522 sa.Length = uint32(unsafe.Sizeof(sa)) 523 sa.InheritHandle = 1 524 return &sa 525 } 526 527 func Open(path string, mode int, perm uint32) (fd Handle, err error) { 528 if len(path) == 0 { 529 return InvalidHandle, ERROR_FILE_NOT_FOUND 530 } 531 pathp, err := UTF16PtrFromString(path) 532 if err != nil { 533 return InvalidHandle, err 534 } 535 var access uint32 536 switch mode & (O_RDONLY | O_WRONLY | O_RDWR) { 537 case O_RDONLY: 538 access = GENERIC_READ 539 case O_WRONLY: 540 access = GENERIC_WRITE 541 case O_RDWR: 542 access = GENERIC_READ | GENERIC_WRITE 543 } 544 if mode&O_CREAT != 0 { 545 access |= GENERIC_WRITE 546 } 547 if mode&O_APPEND != 0 { 548 access &^= GENERIC_WRITE 549 access |= FILE_APPEND_DATA 550 } 551 sharemode := uint32(FILE_SHARE_READ | FILE_SHARE_WRITE) 552 var sa *SecurityAttributes 553 if mode&O_CLOEXEC == 0 { 554 sa = makeInheritSa() 555 } 556 var createmode uint32 557 switch { 558 case mode&(O_CREAT|O_EXCL) == (O_CREAT | O_EXCL): 559 createmode = CREATE_NEW 560 case mode&(O_CREAT|O_TRUNC) == (O_CREAT | O_TRUNC): 561 createmode = CREATE_ALWAYS 562 case mode&O_CREAT == O_CREAT: 563 createmode = OPEN_ALWAYS 564 case mode&O_TRUNC == O_TRUNC: 565 createmode = TRUNCATE_EXISTING 566 default: 567 createmode = OPEN_EXISTING 568 } 569 var attrs uint32 = FILE_ATTRIBUTE_NORMAL 570 if perm&S_IWRITE == 0 { 571 attrs = FILE_ATTRIBUTE_READONLY 572 } 573 h, e := CreateFile(pathp, access, sharemode, sa, createmode, attrs, 0) 574 return h, e 575 } 576 577 func Read(fd Handle, p []byte) (n int, err error) { 578 var done uint32 579 e := ReadFile(fd, p, &done, nil) 580 if e != nil { 581 if e == ERROR_BROKEN_PIPE { 582 // NOTE(brainman): work around ERROR_BROKEN_PIPE is returned on reading EOF from stdin 583 return 0, nil 584 } 585 return 0, e 586 } 587 return int(done), nil 588 } 589 590 func Write(fd Handle, p []byte) (n int, err error) { 591 if raceenabled { 592 raceReleaseMerge(unsafe.Pointer(&ioSync)) 593 } 594 var done uint32 595 e := WriteFile(fd, p, &done, nil) 596 if e != nil { 597 return 0, e 598 } 599 return int(done), nil 600 } 601 602 func ReadFile(fd Handle, p []byte, done *uint32, overlapped *Overlapped) error { 603 err := readFile(fd, p, done, overlapped) 604 if raceenabled { 605 if *done > 0 { 606 raceWriteRange(unsafe.Pointer(&p[0]), int(*done)) 607 } 608 raceAcquire(unsafe.Pointer(&ioSync)) 609 } 610 return err 611 } 612 613 func WriteFile(fd Handle, p []byte, done *uint32, overlapped *Overlapped) error { 614 if raceenabled { 615 raceReleaseMerge(unsafe.Pointer(&ioSync)) 616 } 617 err := writeFile(fd, p, done, overlapped) 618 if raceenabled && *done > 0 { 619 raceReadRange(unsafe.Pointer(&p[0]), int(*done)) 620 } 621 return err 622 } 623 624 var ioSync int64 625 626 func Seek(fd Handle, offset int64, whence int) (newoffset int64, err error) { 627 var w uint32 628 switch whence { 629 case 0: 630 w = FILE_BEGIN 631 case 1: 632 w = FILE_CURRENT 633 case 2: 634 w = FILE_END 635 } 636 hi := int32(offset >> 32) 637 lo := int32(offset) 638 // use GetFileType to check pipe, pipe can't do seek 639 ft, _ := GetFileType(fd) 640 if ft == FILE_TYPE_PIPE { 641 return 0, syscall.EPIPE 642 } 643 rlo, e := SetFilePointer(fd, lo, &hi, w) 644 if e != nil { 645 return 0, e 646 } 647 return int64(hi)<<32 + int64(rlo), nil 648 } 649 650 func Close(fd Handle) (err error) { 651 return CloseHandle(fd) 652 } 653 654 var ( 655 Stdin = getStdHandle(STD_INPUT_HANDLE) 656 Stdout = getStdHandle(STD_OUTPUT_HANDLE) 657 Stderr = getStdHandle(STD_ERROR_HANDLE) 658 ) 659 660 func getStdHandle(stdhandle uint32) (fd Handle) { 661 r, _ := GetStdHandle(stdhandle) 662 return r 663 } 664 665 const ImplementsGetwd = true 666 667 func Getwd() (wd string, err error) { 668 b := make([]uint16, 300) 669 n, e := GetCurrentDirectory(uint32(len(b)), &b[0]) 670 if e != nil { 671 return "", e 672 } 673 return string(utf16.Decode(b[0:n])), nil 674 } 675 676 func Chdir(path string) (err error) { 677 pathp, err := UTF16PtrFromString(path) 678 if err != nil { 679 return err 680 } 681 return SetCurrentDirectory(pathp) 682 } 683 684 func Mkdir(path string, mode uint32) (err error) { 685 pathp, err := UTF16PtrFromString(path) 686 if err != nil { 687 return err 688 } 689 return CreateDirectory(pathp, nil) 690 } 691 692 func Rmdir(path string) (err error) { 693 pathp, err := UTF16PtrFromString(path) 694 if err != nil { 695 return err 696 } 697 return RemoveDirectory(pathp) 698 } 699 700 func Unlink(path string) (err error) { 701 pathp, err := UTF16PtrFromString(path) 702 if err != nil { 703 return err 704 } 705 return DeleteFile(pathp) 706 } 707 708 func Rename(oldpath, newpath string) (err error) { 709 from, err := UTF16PtrFromString(oldpath) 710 if err != nil { 711 return err 712 } 713 to, err := UTF16PtrFromString(newpath) 714 if err != nil { 715 return err 716 } 717 return MoveFileEx(from, to, MOVEFILE_REPLACE_EXISTING) 718 } 719 720 func ComputerName() (name string, err error) { 721 var n uint32 = MAX_COMPUTERNAME_LENGTH + 1 722 b := make([]uint16, n) 723 e := GetComputerName(&b[0], &n) 724 if e != nil { 725 return "", e 726 } 727 return string(utf16.Decode(b[0:n])), nil 728 } 729 730 func DurationSinceBoot() time.Duration { 731 return time.Duration(getTickCount64()) * time.Millisecond 732 } 733 734 func Ftruncate(fd Handle, length int64) (err error) { 735 type _FILE_END_OF_FILE_INFO struct { 736 EndOfFile int64 737 } 738 var info _FILE_END_OF_FILE_INFO 739 info.EndOfFile = length 740 return SetFileInformationByHandle(fd, FileEndOfFileInfo, (*byte)(unsafe.Pointer(&info)), uint32(unsafe.Sizeof(info))) 741 } 742 743 func Gettimeofday(tv *Timeval) (err error) { 744 var ft Filetime 745 GetSystemTimeAsFileTime(&ft) 746 *tv = NsecToTimeval(ft.Nanoseconds()) 747 return nil 748 } 749 750 func Pipe(p []Handle) (err error) { 751 if len(p) != 2 { 752 return syscall.EINVAL 753 } 754 var r, w Handle 755 e := CreatePipe(&r, &w, makeInheritSa(), 0) 756 if e != nil { 757 return e 758 } 759 p[0] = r 760 p[1] = w 761 return nil 762 } 763 764 func Utimes(path string, tv []Timeval) (err error) { 765 if len(tv) != 2 { 766 return syscall.EINVAL 767 } 768 pathp, e := UTF16PtrFromString(path) 769 if e != nil { 770 return e 771 } 772 h, e := CreateFile(pathp, 773 FILE_WRITE_ATTRIBUTES, FILE_SHARE_WRITE, nil, 774 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0) 775 if e != nil { 776 return e 777 } 778 defer CloseHandle(h) 779 a := NsecToFiletime(tv[0].Nanoseconds()) 780 w := NsecToFiletime(tv[1].Nanoseconds()) 781 return SetFileTime(h, nil, &a, &w) 782 } 783 784 func UtimesNano(path string, ts []Timespec) (err error) { 785 if len(ts) != 2 { 786 return syscall.EINVAL 787 } 788 pathp, e := UTF16PtrFromString(path) 789 if e != nil { 790 return e 791 } 792 h, e := CreateFile(pathp, 793 FILE_WRITE_ATTRIBUTES, FILE_SHARE_WRITE, nil, 794 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0) 795 if e != nil { 796 return e 797 } 798 defer CloseHandle(h) 799 a := NsecToFiletime(TimespecToNsec(ts[0])) 800 w := NsecToFiletime(TimespecToNsec(ts[1])) 801 return SetFileTime(h, nil, &a, &w) 802 } 803 804 func Fsync(fd Handle) (err error) { 805 return FlushFileBuffers(fd) 806 } 807 808 func Chmod(path string, mode uint32) (err error) { 809 p, e := UTF16PtrFromString(path) 810 if e != nil { 811 return e 812 } 813 attrs, e := GetFileAttributes(p) 814 if e != nil { 815 return e 816 } 817 if mode&S_IWRITE != 0 { 818 attrs &^= FILE_ATTRIBUTE_READONLY 819 } else { 820 attrs |= FILE_ATTRIBUTE_READONLY 821 } 822 return SetFileAttributes(p, attrs) 823 } 824 825 func LoadGetSystemTimePreciseAsFileTime() error { 826 return procGetSystemTimePreciseAsFileTime.Find() 827 } 828 829 func LoadCancelIoEx() error { 830 return procCancelIoEx.Find() 831 } 832 833 func LoadSetFileCompletionNotificationModes() error { 834 return procSetFileCompletionNotificationModes.Find() 835 } 836 837 func WaitForMultipleObjects(handles []Handle, waitAll bool, waitMilliseconds uint32) (event uint32, err error) { 838 // Every other win32 array API takes arguments as "pointer, count", except for this function. So we 839 // can't declare it as a usual [] type, because mksyscall will use the opposite order. We therefore 840 // trivially stub this ourselves. 841 842 var handlePtr *Handle 843 if len(handles) > 0 { 844 handlePtr = &handles[0] 845 } 846 return waitForMultipleObjects(uint32(len(handles)), uintptr(unsafe.Pointer(handlePtr)), waitAll, waitMilliseconds) 847 } 848 849 // net api calls 850 851 const socket_error = uintptr(^uint32(0)) 852 853 //sys WSAStartup(verreq uint32, data *WSAData) (sockerr error) = ws2_32.WSAStartup 854 //sys WSACleanup() (err error) [failretval==socket_error] = ws2_32.WSACleanup 855 //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 856 //sys WSALookupServiceBegin(querySet *WSAQUERYSET, flags uint32, handle *Handle) (err error) [failretval==socket_error] = ws2_32.WSALookupServiceBeginW 857 //sys WSALookupServiceNext(handle Handle, flags uint32, size *int32, querySet *WSAQUERYSET) (err error) [failretval==socket_error] = ws2_32.WSALookupServiceNextW 858 //sys WSALookupServiceEnd(handle Handle) (err error) [failretval==socket_error] = ws2_32.WSALookupServiceEnd 859 //sys socket(af int32, typ int32, protocol int32) (handle Handle, err error) [failretval==InvalidHandle] = ws2_32.socket 860 //sys sendto(s Handle, buf []byte, flags int32, to unsafe.Pointer, tolen int32) (err error) [failretval==socket_error] = ws2_32.sendto 861 //sys recvfrom(s Handle, buf []byte, flags int32, from *RawSockaddrAny, fromlen *int32) (n int32, err error) [failretval==-1] = ws2_32.recvfrom 862 //sys Setsockopt(s Handle, level int32, optname int32, optval *byte, optlen int32) (err error) [failretval==socket_error] = ws2_32.setsockopt 863 //sys Getsockopt(s Handle, level int32, optname int32, optval *byte, optlen *int32) (err error) [failretval==socket_error] = ws2_32.getsockopt 864 //sys bind(s Handle, name unsafe.Pointer, namelen int32) (err error) [failretval==socket_error] = ws2_32.bind 865 //sys connect(s Handle, name unsafe.Pointer, namelen int32) (err error) [failretval==socket_error] = ws2_32.connect 866 //sys getsockname(s Handle, rsa *RawSockaddrAny, addrlen *int32) (err error) [failretval==socket_error] = ws2_32.getsockname 867 //sys getpeername(s Handle, rsa *RawSockaddrAny, addrlen *int32) (err error) [failretval==socket_error] = ws2_32.getpeername 868 //sys listen(s Handle, backlog int32) (err error) [failretval==socket_error] = ws2_32.listen 869 //sys shutdown(s Handle, how int32) (err error) [failretval==socket_error] = ws2_32.shutdown 870 //sys Closesocket(s Handle) (err error) [failretval==socket_error] = ws2_32.closesocket 871 //sys AcceptEx(ls Handle, as Handle, buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, recvd *uint32, overlapped *Overlapped) (err error) = mswsock.AcceptEx 872 //sys GetAcceptExSockaddrs(buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, lrsa **RawSockaddrAny, lrsalen *int32, rrsa **RawSockaddrAny, rrsalen *int32) = mswsock.GetAcceptExSockaddrs 873 //sys WSARecv(s Handle, bufs *WSABuf, bufcnt uint32, recvd *uint32, flags *uint32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSARecv 874 //sys WSASend(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSASend 875 //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 876 //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 877 //sys WSASocket(af int32, typ int32, protocol int32, protoInfo *WSAProtocolInfo, group uint32, flags uint32) (handle Handle, err error) [failretval==InvalidHandle] = ws2_32.WSASocketW 878 //sys WSADuplicateSocket(s Handle, processID uint32, info *WSAProtocolInfo) (err error) [failretval!=0] = ws2_32.WSADuplicateSocketW 879 //sys GetHostByName(name string) (h *Hostent, err error) [failretval==nil] = ws2_32.gethostbyname 880 //sys GetServByName(name string, proto string) (s *Servent, err error) [failretval==nil] = ws2_32.getservbyname 881 //sys Ntohs(netshort uint16) (u uint16) = ws2_32.ntohs 882 //sys GetProtoByName(name string) (p *Protoent, err error) [failretval==nil] = ws2_32.getprotobyname 883 //sys DnsQuery(name string, qtype uint16, options uint32, extra *byte, qrs **DNSRecord, pr *byte) (status error) = dnsapi.DnsQuery_W 884 //sys DnsRecordListFree(rl *DNSRecord, freetype uint32) = dnsapi.DnsRecordListFree 885 //sys DnsNameCompare(name1 *uint16, name2 *uint16) (same bool) = dnsapi.DnsNameCompare_W 886 //sys GetAddrInfoW(nodename *uint16, servicename *uint16, hints *AddrinfoW, result **AddrinfoW) (sockerr error) = ws2_32.GetAddrInfoW 887 //sys FreeAddrInfoW(addrinfo *AddrinfoW) = ws2_32.FreeAddrInfoW 888 //sys GetIfEntry(pIfRow *MibIfRow) (errcode error) = iphlpapi.GetIfEntry 889 //sys GetAdaptersInfo(ai *IpAdapterInfo, ol *uint32) (errcode error) = iphlpapi.GetAdaptersInfo 890 //sys SetFileCompletionNotificationModes(handle Handle, flags uint8) (err error) = kernel32.SetFileCompletionNotificationModes 891 //sys WSAEnumProtocols(protocols *int32, protocolBuffer *WSAProtocolInfo, bufferLength *uint32) (n int32, err error) [failretval==-1] = ws2_32.WSAEnumProtocolsW 892 //sys WSAGetOverlappedResult(h Handle, o *Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) = ws2_32.WSAGetOverlappedResult 893 //sys GetAdaptersAddresses(family uint32, flags uint32, reserved uintptr, adapterAddresses *IpAdapterAddresses, sizePointer *uint32) (errcode error) = iphlpapi.GetAdaptersAddresses 894 //sys GetACP() (acp uint32) = kernel32.GetACP 895 //sys MultiByteToWideChar(codePage uint32, dwFlags uint32, str *byte, nstr int32, wchar *uint16, nwchar int32) (nwrite int32, err error) = kernel32.MultiByteToWideChar 896 //sys getBestInterfaceEx(sockaddr unsafe.Pointer, pdwBestIfIndex *uint32) (errcode error) = iphlpapi.GetBestInterfaceEx 897 //sys GetIfEntry2Ex(level uint32, row *MibIfRow2) (errcode error) = iphlpapi.GetIfEntry2Ex 898 //sys GetIfTable2Ex(level uint32, table **MibIfTable2) (errcode error) = iphlpapi.GetIfTable2Ex 899 //sys GetIpForwardEntry2(row *MibIpForwardRow2) (errcode error) = iphlpapi.GetIpForwardEntry2 900 //sys GetIpForwardTable2(family uint16, table **MibIpForwardTable2) (errcode error) = iphlpapi.GetIpForwardTable2 901 //sys GetIpInterfaceEntry(row *MibIpInterfaceRow) (errcode error) = iphlpapi.GetIpInterfaceEntry 902 //sys GetIpInterfaceTable(family uint16, table **MibIpInterfaceTable) (errcode error) = iphlpapi.GetIpInterfaceTable 903 //sys GetUnicastIpAddressEntry(row *MibUnicastIpAddressRow) (errcode error) = iphlpapi.GetUnicastIpAddressEntry 904 //sys GetUnicastIpAddressTable(family uint16, table **MibUnicastIpAddressTable) (errcode error) = iphlpapi.GetUnicastIpAddressTable 905 //sys FreeMibTable(memory unsafe.Pointer) = iphlpapi.FreeMibTable 906 //sys NotifyIpInterfaceChange(family uint16, callback uintptr, callerContext unsafe.Pointer, initialNotification bool, notificationHandle *Handle) (errcode error) = iphlpapi.NotifyIpInterfaceChange 907 //sys NotifyRouteChange2(family uint16, callback uintptr, callerContext unsafe.Pointer, initialNotification bool, notificationHandle *Handle) (errcode error) = iphlpapi.NotifyRouteChange2 908 //sys NotifyUnicastIpAddressChange(family uint16, callback uintptr, callerContext unsafe.Pointer, initialNotification bool, notificationHandle *Handle) (errcode error) = iphlpapi.NotifyUnicastIpAddressChange 909 //sys CancelMibChangeNotify2(notificationHandle Handle) (errcode error) = iphlpapi.CancelMibChangeNotify2 910 //sys IsProcessorFeaturePresent(ProcessorFeature uint32) (ret bool) = kernel32.IsProcessorFeaturePresent 911 912 // For testing: clients can set this flag to force 913 // creation of IPv6 sockets to return EAFNOSUPPORT. 914 var SocketDisableIPv6 bool 915 916 type RawSockaddrInet4 struct { 917 Family uint16 918 Port uint16 919 Addr [4]byte /* in_addr */ 920 Zero [8]uint8 921 } 922 923 type RawSockaddrInet6 struct { 924 Family uint16 925 Port uint16 926 Flowinfo uint32 927 Addr [16]byte /* in6_addr */ 928 Scope_id uint32 929 } 930 931 // RawSockaddrInet is a union that contains an IPv4, an IPv6 address, or an address family. See 932 // https://learn.microsoft.com/en-us/windows/win32/api/ws2ipdef/ns-ws2ipdef-sockaddr_inet. 933 // 934 // A [*RawSockaddrInet] may be converted to a [*RawSockaddrInet4] or [*RawSockaddrInet6] using 935 // unsafe, depending on the address family. 936 type RawSockaddrInet struct { 937 Family uint16 938 Port uint16 939 Data [6]uint32 940 } 941 942 type RawSockaddr struct { 943 Family uint16 944 Data [14]int8 945 } 946 947 type RawSockaddrAny struct { 948 Addr RawSockaddr 949 Pad [100]int8 950 } 951 952 type Sockaddr interface { 953 sockaddr() (ptr unsafe.Pointer, len int32, err error) // lowercase; only we can define Sockaddrs 954 } 955 956 type SockaddrInet4 struct { 957 Port int 958 Addr [4]byte 959 raw RawSockaddrInet4 960 } 961 962 func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, int32, error) { 963 if sa.Port < 0 || sa.Port > 0xFFFF { 964 return nil, 0, syscall.EINVAL 965 } 966 sa.raw.Family = AF_INET 967 p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port)) 968 p[0] = byte(sa.Port >> 8) 969 p[1] = byte(sa.Port) 970 sa.raw.Addr = sa.Addr 971 return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil 972 } 973 974 type SockaddrInet6 struct { 975 Port int 976 ZoneId uint32 977 Addr [16]byte 978 raw RawSockaddrInet6 979 } 980 981 func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, int32, error) { 982 if sa.Port < 0 || sa.Port > 0xFFFF { 983 return nil, 0, syscall.EINVAL 984 } 985 sa.raw.Family = AF_INET6 986 p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port)) 987 p[0] = byte(sa.Port >> 8) 988 p[1] = byte(sa.Port) 989 sa.raw.Scope_id = sa.ZoneId 990 sa.raw.Addr = sa.Addr 991 return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil 992 } 993 994 type RawSockaddrUnix struct { 995 Family uint16 996 Path [UNIX_PATH_MAX]int8 997 } 998 999 type SockaddrUnix struct { 1000 Name string 1001 raw RawSockaddrUnix 1002 } 1003 1004 func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, int32, error) { 1005 name := sa.Name 1006 n := len(name) 1007 if n > len(sa.raw.Path) { 1008 return nil, 0, syscall.EINVAL 1009 } 1010 if n == len(sa.raw.Path) && name[0] != '@' { 1011 return nil, 0, syscall.EINVAL 1012 } 1013 sa.raw.Family = AF_UNIX 1014 for i := 0; i < n; i++ { 1015 sa.raw.Path[i] = int8(name[i]) 1016 } 1017 // length is family (uint16), name, NUL. 1018 sl := int32(2) 1019 if n > 0 { 1020 sl += int32(n) + 1 1021 } 1022 if sa.raw.Path[0] == '@' || (sa.raw.Path[0] == 0 && sl > 3) { 1023 // Check sl > 3 so we don't change unnamed socket behavior. 1024 sa.raw.Path[0] = 0 1025 // Don't count trailing NUL for abstract address. 1026 sl-- 1027 } 1028 1029 return unsafe.Pointer(&sa.raw), sl, nil 1030 } 1031 1032 type RawSockaddrBth struct { 1033 AddressFamily [2]byte 1034 BtAddr [8]byte 1035 ServiceClassId [16]byte 1036 Port [4]byte 1037 } 1038 1039 type SockaddrBth struct { 1040 BtAddr uint64 1041 ServiceClassId GUID 1042 Port uint32 1043 1044 raw RawSockaddrBth 1045 } 1046 1047 func (sa *SockaddrBth) sockaddr() (unsafe.Pointer, int32, error) { 1048 family := AF_BTH 1049 sa.raw = RawSockaddrBth{ 1050 AddressFamily: *(*[2]byte)(unsafe.Pointer(&family)), 1051 BtAddr: *(*[8]byte)(unsafe.Pointer(&sa.BtAddr)), 1052 Port: *(*[4]byte)(unsafe.Pointer(&sa.Port)), 1053 ServiceClassId: *(*[16]byte)(unsafe.Pointer(&sa.ServiceClassId)), 1054 } 1055 return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil 1056 } 1057 1058 func (rsa *RawSockaddrAny) Sockaddr() (Sockaddr, error) { 1059 switch rsa.Addr.Family { 1060 case AF_UNIX: 1061 pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa)) 1062 sa := new(SockaddrUnix) 1063 if pp.Path[0] == 0 { 1064 // "Abstract" Unix domain socket. 1065 // Rewrite leading NUL as @ for textual display. 1066 // (This is the standard convention.) 1067 // Not friendly to overwrite in place, 1068 // but the callers below don't care. 1069 pp.Path[0] = '@' 1070 } 1071 1072 // Assume path ends at NUL. 1073 // This is not technically the Linux semantics for 1074 // abstract Unix domain sockets--they are supposed 1075 // to be uninterpreted fixed-size binary blobs--but 1076 // everyone uses this convention. 1077 n := 0 1078 for n < len(pp.Path) && pp.Path[n] != 0 { 1079 n++ 1080 } 1081 sa.Name = string(unsafe.Slice((*byte)(unsafe.Pointer(&pp.Path[0])), n)) 1082 return sa, nil 1083 1084 case AF_INET: 1085 pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa)) 1086 sa := new(SockaddrInet4) 1087 p := (*[2]byte)(unsafe.Pointer(&pp.Port)) 1088 sa.Port = int(p[0])<<8 + int(p[1]) 1089 sa.Addr = pp.Addr 1090 return sa, nil 1091 1092 case AF_INET6: 1093 pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa)) 1094 sa := new(SockaddrInet6) 1095 p := (*[2]byte)(unsafe.Pointer(&pp.Port)) 1096 sa.Port = int(p[0])<<8 + int(p[1]) 1097 sa.ZoneId = pp.Scope_id 1098 sa.Addr = pp.Addr 1099 return sa, nil 1100 } 1101 return nil, syscall.EAFNOSUPPORT 1102 } 1103 1104 func Socket(domain, typ, proto int) (fd Handle, err error) { 1105 if domain == AF_INET6 && SocketDisableIPv6 { 1106 return InvalidHandle, syscall.EAFNOSUPPORT 1107 } 1108 return socket(int32(domain), int32(typ), int32(proto)) 1109 } 1110 1111 func SetsockoptInt(fd Handle, level, opt int, value int) (err error) { 1112 v := int32(value) 1113 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&v)), int32(unsafe.Sizeof(v))) 1114 } 1115 1116 func Bind(fd Handle, sa Sockaddr) (err error) { 1117 ptr, n, err := sa.sockaddr() 1118 if err != nil { 1119 return err 1120 } 1121 return bind(fd, ptr, n) 1122 } 1123 1124 func Connect(fd Handle, sa Sockaddr) (err error) { 1125 ptr, n, err := sa.sockaddr() 1126 if err != nil { 1127 return err 1128 } 1129 return connect(fd, ptr, n) 1130 } 1131 1132 func GetBestInterfaceEx(sa Sockaddr, pdwBestIfIndex *uint32) (err error) { 1133 ptr, _, err := sa.sockaddr() 1134 if err != nil { 1135 return err 1136 } 1137 return getBestInterfaceEx(ptr, pdwBestIfIndex) 1138 } 1139 1140 func Getsockname(fd Handle) (sa Sockaddr, err error) { 1141 var rsa RawSockaddrAny 1142 l := int32(unsafe.Sizeof(rsa)) 1143 if err = getsockname(fd, &rsa, &l); err != nil { 1144 return 1145 } 1146 return rsa.Sockaddr() 1147 } 1148 1149 func Getpeername(fd Handle) (sa Sockaddr, err error) { 1150 var rsa RawSockaddrAny 1151 l := int32(unsafe.Sizeof(rsa)) 1152 if err = getpeername(fd, &rsa, &l); err != nil { 1153 return 1154 } 1155 return rsa.Sockaddr() 1156 } 1157 1158 func Listen(s Handle, n int) (err error) { 1159 return listen(s, int32(n)) 1160 } 1161 1162 func Shutdown(fd Handle, how int) (err error) { 1163 return shutdown(fd, int32(how)) 1164 } 1165 1166 func WSASendto(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, to Sockaddr, overlapped *Overlapped, croutine *byte) (err error) { 1167 var rsa unsafe.Pointer 1168 var l int32 1169 if to != nil { 1170 rsa, l, err = to.sockaddr() 1171 if err != nil { 1172 return err 1173 } 1174 } 1175 return WSASendTo(s, bufs, bufcnt, sent, flags, (*RawSockaddrAny)(unsafe.Pointer(rsa)), l, overlapped, croutine) 1176 } 1177 1178 func LoadGetAddrInfo() error { 1179 return procGetAddrInfoW.Find() 1180 } 1181 1182 var connectExFunc struct { 1183 once sync.Once 1184 addr uintptr 1185 err error 1186 } 1187 1188 func LoadConnectEx() error { 1189 connectExFunc.once.Do(func() { 1190 var s Handle 1191 s, connectExFunc.err = Socket(AF_INET, SOCK_STREAM, IPPROTO_TCP) 1192 if connectExFunc.err != nil { 1193 return 1194 } 1195 defer CloseHandle(s) 1196 var n uint32 1197 connectExFunc.err = WSAIoctl(s, 1198 SIO_GET_EXTENSION_FUNCTION_POINTER, 1199 (*byte)(unsafe.Pointer(&WSAID_CONNECTEX)), 1200 uint32(unsafe.Sizeof(WSAID_CONNECTEX)), 1201 (*byte)(unsafe.Pointer(&connectExFunc.addr)), 1202 uint32(unsafe.Sizeof(connectExFunc.addr)), 1203 &n, nil, 0) 1204 }) 1205 return connectExFunc.err 1206 } 1207 1208 func connectEx(s Handle, name unsafe.Pointer, namelen int32, sendBuf *byte, sendDataLen uint32, bytesSent *uint32, overlapped *Overlapped) (err error) { 1209 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) 1210 if r1 == 0 { 1211 if e1 != 0 { 1212 err = error(e1) 1213 } else { 1214 err = syscall.EINVAL 1215 } 1216 } 1217 return 1218 } 1219 1220 func ConnectEx(fd Handle, sa Sockaddr, sendBuf *byte, sendDataLen uint32, bytesSent *uint32, overlapped *Overlapped) error { 1221 err := LoadConnectEx() 1222 if err != nil { 1223 return errorspkg.New("failed to find ConnectEx: " + err.Error()) 1224 } 1225 ptr, n, err := sa.sockaddr() 1226 if err != nil { 1227 return err 1228 } 1229 return connectEx(fd, ptr, n, sendBuf, sendDataLen, bytesSent, overlapped) 1230 } 1231 1232 var sendRecvMsgFunc struct { 1233 once sync.Once 1234 sendAddr uintptr 1235 recvAddr uintptr 1236 err error 1237 } 1238 1239 func loadWSASendRecvMsg() error { 1240 sendRecvMsgFunc.once.Do(func() { 1241 var s Handle 1242 s, sendRecvMsgFunc.err = Socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP) 1243 if sendRecvMsgFunc.err != nil { 1244 return 1245 } 1246 defer CloseHandle(s) 1247 var n uint32 1248 sendRecvMsgFunc.err = WSAIoctl(s, 1249 SIO_GET_EXTENSION_FUNCTION_POINTER, 1250 (*byte)(unsafe.Pointer(&WSAID_WSARECVMSG)), 1251 uint32(unsafe.Sizeof(WSAID_WSARECVMSG)), 1252 (*byte)(unsafe.Pointer(&sendRecvMsgFunc.recvAddr)), 1253 uint32(unsafe.Sizeof(sendRecvMsgFunc.recvAddr)), 1254 &n, nil, 0) 1255 if sendRecvMsgFunc.err != nil { 1256 return 1257 } 1258 sendRecvMsgFunc.err = WSAIoctl(s, 1259 SIO_GET_EXTENSION_FUNCTION_POINTER, 1260 (*byte)(unsafe.Pointer(&WSAID_WSASENDMSG)), 1261 uint32(unsafe.Sizeof(WSAID_WSASENDMSG)), 1262 (*byte)(unsafe.Pointer(&sendRecvMsgFunc.sendAddr)), 1263 uint32(unsafe.Sizeof(sendRecvMsgFunc.sendAddr)), 1264 &n, nil, 0) 1265 }) 1266 return sendRecvMsgFunc.err 1267 } 1268 1269 func WSASendMsg(fd Handle, msg *WSAMsg, flags uint32, bytesSent *uint32, overlapped *Overlapped, croutine *byte) error { 1270 err := loadWSASendRecvMsg() 1271 if err != nil { 1272 return err 1273 } 1274 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))) 1275 if r1 == socket_error { 1276 err = errnoErr(e1) 1277 } 1278 return err 1279 } 1280 1281 func WSARecvMsg(fd Handle, msg *WSAMsg, bytesReceived *uint32, overlapped *Overlapped, croutine *byte) error { 1282 err := loadWSASendRecvMsg() 1283 if err != nil { 1284 return err 1285 } 1286 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) 1287 if r1 == socket_error { 1288 err = errnoErr(e1) 1289 } 1290 return err 1291 } 1292 1293 // Invented structures to support what package os expects. 1294 type Rusage struct { 1295 CreationTime Filetime 1296 ExitTime Filetime 1297 KernelTime Filetime 1298 UserTime Filetime 1299 } 1300 1301 type WaitStatus struct { 1302 ExitCode uint32 1303 } 1304 1305 func (w WaitStatus) Exited() bool { return true } 1306 1307 func (w WaitStatus) ExitStatus() int { return int(w.ExitCode) } 1308 1309 func (w WaitStatus) Signal() Signal { return -1 } 1310 1311 func (w WaitStatus) CoreDump() bool { return false } 1312 1313 func (w WaitStatus) Stopped() bool { return false } 1314 1315 func (w WaitStatus) Continued() bool { return false } 1316 1317 func (w WaitStatus) StopSignal() Signal { return -1 } 1318 1319 func (w WaitStatus) Signaled() bool { return false } 1320 1321 func (w WaitStatus) TrapCause() int { return -1 } 1322 1323 // Timespec is an invented structure on Windows, but here for 1324 // consistency with the corresponding package for other operating systems. 1325 type Timespec struct { 1326 Sec int64 1327 Nsec int64 1328 } 1329 1330 func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } 1331 1332 func NsecToTimespec(nsec int64) (ts Timespec) { 1333 ts.Sec = nsec / 1e9 1334 ts.Nsec = nsec % 1e9 1335 return 1336 } 1337 1338 // TODO(brainman): fix all needed for net 1339 1340 func Accept(fd Handle) (nfd Handle, sa Sockaddr, err error) { return 0, nil, syscall.EWINDOWS } 1341 1342 func Recvfrom(fd Handle, p []byte, flags int) (n int, from Sockaddr, err error) { 1343 var rsa RawSockaddrAny 1344 l := int32(unsafe.Sizeof(rsa)) 1345 n32, err := recvfrom(fd, p, int32(flags), &rsa, &l) 1346 n = int(n32) 1347 if err != nil { 1348 return 1349 } 1350 from, err = rsa.Sockaddr() 1351 return 1352 } 1353 1354 func Sendto(fd Handle, p []byte, flags int, to Sockaddr) (err error) { 1355 ptr, l, err := to.sockaddr() 1356 if err != nil { 1357 return err 1358 } 1359 return sendto(fd, p, int32(flags), ptr, l) 1360 } 1361 1362 func SetsockoptTimeval(fd Handle, level, opt int, tv *Timeval) (err error) { return syscall.EWINDOWS } 1363 1364 // The Linger struct is wrong but we only noticed after Go 1. 1365 // sysLinger is the real system call structure. 1366 1367 // BUG(brainman): The definition of Linger is not appropriate for direct use 1368 // with Setsockopt and Getsockopt. 1369 // Use SetsockoptLinger instead. 1370 1371 type Linger struct { 1372 Onoff int32 1373 Linger int32 1374 } 1375 1376 type sysLinger struct { 1377 Onoff uint16 1378 Linger uint16 1379 } 1380 1381 type IPMreq struct { 1382 Multiaddr [4]byte /* in_addr */ 1383 Interface [4]byte /* in_addr */ 1384 } 1385 1386 type IPv6Mreq struct { 1387 Multiaddr [16]byte /* in6_addr */ 1388 Interface uint32 1389 } 1390 1391 func GetsockoptInt(fd Handle, level, opt int) (int, error) { 1392 v := int32(0) 1393 l := int32(unsafe.Sizeof(v)) 1394 err := Getsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&v)), &l) 1395 return int(v), err 1396 } 1397 1398 func SetsockoptLinger(fd Handle, level, opt int, l *Linger) (err error) { 1399 sys := sysLinger{Onoff: uint16(l.Onoff), Linger: uint16(l.Linger)} 1400 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&sys)), int32(unsafe.Sizeof(sys))) 1401 } 1402 1403 func SetsockoptInet4Addr(fd Handle, level, opt int, value [4]byte) (err error) { 1404 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&value[0])), 4) 1405 } 1406 1407 func SetsockoptIPMreq(fd Handle, level, opt int, mreq *IPMreq) (err error) { 1408 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(mreq)), int32(unsafe.Sizeof(*mreq))) 1409 } 1410 1411 func SetsockoptIPv6Mreq(fd Handle, level, opt int, mreq *IPv6Mreq) (err error) { 1412 return syscall.EWINDOWS 1413 } 1414 1415 func EnumProcesses(processIds []uint32, bytesReturned *uint32) error { 1416 // EnumProcesses syscall expects the size parameter to be in bytes, but the code generated with mksyscall uses 1417 // the length of the processIds slice instead. Hence, this wrapper function is added to fix the discrepancy. 1418 var p *uint32 1419 if len(processIds) > 0 { 1420 p = &processIds[0] 1421 } 1422 size := uint32(len(processIds) * 4) 1423 return enumProcesses(p, size, bytesReturned) 1424 } 1425 1426 func Getpid() (pid int) { return int(GetCurrentProcessId()) } 1427 1428 func FindFirstFile(name *uint16, data *Win32finddata) (handle Handle, err error) { 1429 // NOTE(rsc): The Win32finddata struct is wrong for the system call: 1430 // the two paths are each one uint16 short. Use the correct struct, 1431 // a win32finddata1, and then copy the results out. 1432 // There is no loss of expressivity here, because the final 1433 // uint16, if it is used, is supposed to be a NUL, and Go doesn't need that. 1434 // For Go 1.1, we might avoid the allocation of win32finddata1 here 1435 // by adding a final Bug [2]uint16 field to the struct and then 1436 // adjusting the fields in the result directly. 1437 var data1 win32finddata1 1438 handle, err = findFirstFile1(name, &data1) 1439 if err == nil { 1440 copyFindData(data, &data1) 1441 } 1442 return 1443 } 1444 1445 func FindNextFile(handle Handle, data *Win32finddata) (err error) { 1446 var data1 win32finddata1 1447 err = findNextFile1(handle, &data1) 1448 if err == nil { 1449 copyFindData(data, &data1) 1450 } 1451 return 1452 } 1453 1454 func getProcessEntry(pid int) (*ProcessEntry32, error) { 1455 snapshot, err := CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0) 1456 if err != nil { 1457 return nil, err 1458 } 1459 defer CloseHandle(snapshot) 1460 var procEntry ProcessEntry32 1461 procEntry.Size = uint32(unsafe.Sizeof(procEntry)) 1462 if err = Process32First(snapshot, &procEntry); err != nil { 1463 return nil, err 1464 } 1465 for { 1466 if procEntry.ProcessID == uint32(pid) { 1467 return &procEntry, nil 1468 } 1469 err = Process32Next(snapshot, &procEntry) 1470 if err != nil { 1471 return nil, err 1472 } 1473 } 1474 } 1475 1476 func Getppid() (ppid int) { 1477 pe, err := getProcessEntry(Getpid()) 1478 if err != nil { 1479 return -1 1480 } 1481 return int(pe.ParentProcessID) 1482 } 1483 1484 // TODO(brainman): fix all needed for os 1485 func Fchdir(fd Handle) (err error) { return syscall.EWINDOWS } 1486 func Link(oldpath, newpath string) (err error) { return syscall.EWINDOWS } 1487 func Symlink(path, link string) (err error) { return syscall.EWINDOWS } 1488 1489 func Fchmod(fd Handle, mode uint32) (err error) { return syscall.EWINDOWS } 1490 func Chown(path string, uid int, gid int) (err error) { return syscall.EWINDOWS } 1491 func Lchown(path string, uid int, gid int) (err error) { return syscall.EWINDOWS } 1492 func Fchown(fd Handle, uid int, gid int) (err error) { return syscall.EWINDOWS } 1493 1494 func Getuid() (uid int) { return -1 } 1495 func Geteuid() (euid int) { return -1 } 1496 func Getgid() (gid int) { return -1 } 1497 func Getegid() (egid int) { return -1 } 1498 func Getgroups() (gids []int, err error) { return nil, syscall.EWINDOWS } 1499 1500 func LoadCreateSymbolicLink() error { 1501 return procCreateSymbolicLinkW.Find() 1502 } 1503 1504 // Readlink returns the destination of the named symbolic link. 1505 func Readlink(path string, buf []byte) (n int, err error) { 1506 fd, err := CreateFile(StringToUTF16Ptr(path), GENERIC_READ, 0, nil, OPEN_EXISTING, 1507 FILE_FLAG_OPEN_REPARSE_POINT|FILE_FLAG_BACKUP_SEMANTICS, 0) 1508 if err != nil { 1509 return -1, err 1510 } 1511 defer CloseHandle(fd) 1512 1513 rdbbuf := make([]byte, MAXIMUM_REPARSE_DATA_BUFFER_SIZE) 1514 var bytesReturned uint32 1515 err = DeviceIoControl(fd, FSCTL_GET_REPARSE_POINT, nil, 0, &rdbbuf[0], uint32(len(rdbbuf)), &bytesReturned, nil) 1516 if err != nil { 1517 return -1, err 1518 } 1519 1520 rdb := (*reparseDataBuffer)(unsafe.Pointer(&rdbbuf[0])) 1521 var s string 1522 switch rdb.ReparseTag { 1523 case IO_REPARSE_TAG_SYMLINK: 1524 data := (*symbolicLinkReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer)) 1525 p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0])) 1526 s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2]) 1527 case IO_REPARSE_TAG_MOUNT_POINT: 1528 data := (*mountPointReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer)) 1529 p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0])) 1530 s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2]) 1531 default: 1532 // the path is not a symlink or junction but another type of reparse 1533 // point 1534 return -1, syscall.ENOENT 1535 } 1536 n = copy(buf, []byte(s)) 1537 1538 return n, nil 1539 } 1540 1541 // GUIDFromString parses a string in the form of 1542 // "{XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}" into a GUID. 1543 func GUIDFromString(str string) (GUID, error) { 1544 guid := GUID{} 1545 str16, err := syscall.UTF16PtrFromString(str) 1546 if err != nil { 1547 return guid, err 1548 } 1549 err = clsidFromString(str16, &guid) 1550 if err != nil { 1551 return guid, err 1552 } 1553 return guid, nil 1554 } 1555 1556 // GenerateGUID creates a new random GUID. 1557 func GenerateGUID() (GUID, error) { 1558 guid := GUID{} 1559 err := coCreateGuid(&guid) 1560 if err != nil { 1561 return guid, err 1562 } 1563 return guid, nil 1564 } 1565 1566 // String returns the canonical string form of the GUID, 1567 // in the form of "{XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}". 1568 func (guid GUID) String() string { 1569 var str [100]uint16 1570 chars := stringFromGUID2(&guid, &str[0], int32(len(str))) 1571 if chars <= 1 { 1572 return "" 1573 } 1574 return string(utf16.Decode(str[:chars-1])) 1575 } 1576 1577 // KnownFolderPath returns a well-known folder path for the current user, specified by one of 1578 // the FOLDERID_ constants, and chosen and optionally created based on a KF_ flag. 1579 func KnownFolderPath(folderID *KNOWNFOLDERID, flags uint32) (string, error) { 1580 return Token(0).KnownFolderPath(folderID, flags) 1581 } 1582 1583 // KnownFolderPath returns a well-known folder path for the user token, specified by one of 1584 // the FOLDERID_ constants, and chosen and optionally created based on a KF_ flag. 1585 func (t Token) KnownFolderPath(folderID *KNOWNFOLDERID, flags uint32) (string, error) { 1586 var p *uint16 1587 err := shGetKnownFolderPath(folderID, flags, t, &p) 1588 if err != nil { 1589 return "", err 1590 } 1591 defer CoTaskMemFree(unsafe.Pointer(p)) 1592 return UTF16PtrToString(p), nil 1593 } 1594 1595 // RtlGetVersion returns the version of the underlying operating system, ignoring 1596 // manifest semantics but is affected by the application compatibility layer. 1597 func RtlGetVersion() *OsVersionInfoEx { 1598 info := &OsVersionInfoEx{} 1599 info.osVersionInfoSize = uint32(unsafe.Sizeof(*info)) 1600 // According to documentation, this function always succeeds. 1601 // The function doesn't even check the validity of the 1602 // osVersionInfoSize member. Disassembling ntdll.dll indicates 1603 // that the documentation is indeed correct about that. 1604 _ = rtlGetVersion(info) 1605 return info 1606 } 1607 1608 // RtlGetNtVersionNumbers returns the version of the underlying operating system, 1609 // ignoring manifest semantics and the application compatibility layer. 1610 func RtlGetNtVersionNumbers() (majorVersion, minorVersion, buildNumber uint32) { 1611 rtlGetNtVersionNumbers(&majorVersion, &minorVersion, &buildNumber) 1612 buildNumber &= 0xffff 1613 return 1614 } 1615 1616 // GetProcessPreferredUILanguages retrieves the process preferred UI languages. 1617 func GetProcessPreferredUILanguages(flags uint32) ([]string, error) { 1618 return getUILanguages(flags, getProcessPreferredUILanguages) 1619 } 1620 1621 // GetThreadPreferredUILanguages retrieves the thread preferred UI languages for the current thread. 1622 func GetThreadPreferredUILanguages(flags uint32) ([]string, error) { 1623 return getUILanguages(flags, getThreadPreferredUILanguages) 1624 } 1625 1626 // GetUserPreferredUILanguages retrieves information about the user preferred UI languages. 1627 func GetUserPreferredUILanguages(flags uint32) ([]string, error) { 1628 return getUILanguages(flags, getUserPreferredUILanguages) 1629 } 1630 1631 // GetSystemPreferredUILanguages retrieves the system preferred UI languages. 1632 func GetSystemPreferredUILanguages(flags uint32) ([]string, error) { 1633 return getUILanguages(flags, getSystemPreferredUILanguages) 1634 } 1635 1636 func getUILanguages(flags uint32, f func(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) error) ([]string, error) { 1637 size := uint32(128) 1638 for { 1639 var numLanguages uint32 1640 buf := make([]uint16, size) 1641 err := f(flags, &numLanguages, &buf[0], &size) 1642 if err == ERROR_INSUFFICIENT_BUFFER { 1643 continue 1644 } 1645 if err != nil { 1646 return nil, err 1647 } 1648 buf = buf[:size] 1649 if numLanguages == 0 || len(buf) == 0 { // GetProcessPreferredUILanguages may return numLanguages==0 with "\0\0" 1650 return []string{}, nil 1651 } 1652 if buf[len(buf)-1] == 0 { 1653 buf = buf[:len(buf)-1] // remove terminating null 1654 } 1655 languages := make([]string, 0, numLanguages) 1656 from := 0 1657 for i, c := range buf { 1658 if c == 0 { 1659 languages = append(languages, string(utf16.Decode(buf[from:i]))) 1660 from = i + 1 1661 } 1662 } 1663 return languages, nil 1664 } 1665 } 1666 1667 func SetConsoleCursorPosition(console Handle, position Coord) error { 1668 return setConsoleCursorPosition(console, *((*uint32)(unsafe.Pointer(&position)))) 1669 } 1670 1671 func GetStartupInfo(startupInfo *StartupInfo) error { 1672 getStartupInfo(startupInfo) 1673 return nil 1674 } 1675 1676 func (s NTStatus) Errno() syscall.Errno { 1677 return rtlNtStatusToDosErrorNoTeb(s) 1678 } 1679 1680 func langID(pri, sub uint16) uint32 { return uint32(sub)<<10 | uint32(pri) } 1681 1682 func (s NTStatus) Error() string { 1683 b := make([]uint16, 300) 1684 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) 1685 if err != nil { 1686 return fmt.Sprintf("NTSTATUS 0x%08x", uint32(s)) 1687 } 1688 // trim terminating \r and \n 1689 for ; n > 0 && (b[n-1] == '\n' || b[n-1] == '\r'); n-- { 1690 } 1691 return string(utf16.Decode(b[:n])) 1692 } 1693 1694 // NewNTUnicodeString returns a new NTUnicodeString structure for use with native 1695 // NT APIs that work over the NTUnicodeString type. Note that most Windows APIs 1696 // do not use NTUnicodeString, and instead UTF16PtrFromString should be used for 1697 // the more common *uint16 string type. 1698 func NewNTUnicodeString(s string) (*NTUnicodeString, error) { 1699 s16, err := UTF16FromString(s) 1700 if err != nil { 1701 return nil, err 1702 } 1703 n := len(s16) * 2 1704 if n > (1<<16)-1 { 1705 return nil, syscall.EINVAL 1706 } 1707 return &NTUnicodeString{ 1708 Length: uint16(n) - 2, // subtract 2 bytes for the NULL terminator 1709 MaximumLength: uint16(n), 1710 Buffer: &s16[0], 1711 }, nil 1712 } 1713 1714 // Slice returns a uint16 slice that aliases the data in the NTUnicodeString. 1715 func (s *NTUnicodeString) Slice() []uint16 { 1716 // Note: this rounds the length down, if it happens 1717 // to (incorrectly) be odd. Probably safer than rounding up. 1718 return unsafe.Slice(s.Buffer, s.MaximumLength/2)[:s.Length/2] 1719 } 1720 1721 func (s *NTUnicodeString) String() string { 1722 return UTF16ToString(s.Slice()) 1723 } 1724 1725 // NewNTString returns a new NTString structure for use with native 1726 // NT APIs that work over the NTString type. Note that most Windows APIs 1727 // do not use NTString, and instead UTF16PtrFromString should be used for 1728 // the more common *uint16 string type. 1729 func NewNTString(s string) (*NTString, error) { 1730 var nts NTString 1731 s8, err := BytePtrFromString(s) 1732 if err != nil { 1733 return nil, err 1734 } 1735 RtlInitString(&nts, s8) 1736 return &nts, nil 1737 } 1738 1739 // Slice returns a byte slice that aliases the data in the NTString. 1740 func (s *NTString) Slice() []byte { 1741 slice := unsafe.Slice(s.Buffer, s.MaximumLength) 1742 return slice[:s.Length] 1743 } 1744 1745 func (s *NTString) String() string { 1746 return ByteSliceToString(s.Slice()) 1747 } 1748 1749 // FindResource resolves a resource of the given name and resource type. 1750 func FindResource(module Handle, name, resType ResourceIDOrString) (Handle, error) { 1751 var namePtr, resTypePtr uintptr 1752 var name16, resType16 *uint16 1753 var err error 1754 resolvePtr := func(i interface{}, keep **uint16) (uintptr, error) { 1755 switch v := i.(type) { 1756 case string: 1757 *keep, err = UTF16PtrFromString(v) 1758 if err != nil { 1759 return 0, err 1760 } 1761 return uintptr(unsafe.Pointer(*keep)), nil 1762 case ResourceID: 1763 return uintptr(v), nil 1764 } 1765 return 0, errorspkg.New("parameter must be a ResourceID or a string") 1766 } 1767 namePtr, err = resolvePtr(name, &name16) 1768 if err != nil { 1769 return 0, err 1770 } 1771 resTypePtr, err = resolvePtr(resType, &resType16) 1772 if err != nil { 1773 return 0, err 1774 } 1775 resInfo, err := findResource(module, namePtr, resTypePtr) 1776 runtime.KeepAlive(name16) 1777 runtime.KeepAlive(resType16) 1778 return resInfo, err 1779 } 1780 1781 func LoadResourceData(module, resInfo Handle) (data []byte, err error) { 1782 size, err := SizeofResource(module, resInfo) 1783 if err != nil { 1784 return 1785 } 1786 resData, err := LoadResource(module, resInfo) 1787 if err != nil { 1788 return 1789 } 1790 ptr, err := LockResource(resData) 1791 if err != nil { 1792 return 1793 } 1794 data = unsafe.Slice((*byte)(unsafe.Pointer(ptr)), size) 1795 return 1796 } 1797 1798 // PSAPI_WORKING_SET_EX_BLOCK contains extended working set information for a page. 1799 type PSAPI_WORKING_SET_EX_BLOCK uint64 1800 1801 // Valid returns the validity of this page. 1802 // If this bit is 1, the subsequent members are valid; otherwise they should be ignored. 1803 func (b PSAPI_WORKING_SET_EX_BLOCK) Valid() bool { 1804 return (b & 1) == 1 1805 } 1806 1807 // ShareCount is the number of processes that share this page. The maximum value of this member is 7. 1808 func (b PSAPI_WORKING_SET_EX_BLOCK) ShareCount() uint64 { 1809 return b.intField(1, 3) 1810 } 1811 1812 // Win32Protection is the memory protection attributes of the page. For a list of values, see 1813 // https://docs.microsoft.com/en-us/windows/win32/memory/memory-protection-constants 1814 func (b PSAPI_WORKING_SET_EX_BLOCK) Win32Protection() uint64 { 1815 return b.intField(4, 11) 1816 } 1817 1818 // Shared returns the shared status of this page. 1819 // If this bit is 1, the page can be shared. 1820 func (b PSAPI_WORKING_SET_EX_BLOCK) Shared() bool { 1821 return (b & (1 << 15)) == 1 1822 } 1823 1824 // Node is the NUMA node. The maximum value of this member is 63. 1825 func (b PSAPI_WORKING_SET_EX_BLOCK) Node() uint64 { 1826 return b.intField(16, 6) 1827 } 1828 1829 // Locked returns the locked status of this page. 1830 // If this bit is 1, the virtual page is locked in physical memory. 1831 func (b PSAPI_WORKING_SET_EX_BLOCK) Locked() bool { 1832 return (b & (1 << 22)) == 1 1833 } 1834 1835 // LargePage returns the large page status of this page. 1836 // If this bit is 1, the page is a large page. 1837 func (b PSAPI_WORKING_SET_EX_BLOCK) LargePage() bool { 1838 return (b & (1 << 23)) == 1 1839 } 1840 1841 // Bad returns the bad status of this page. 1842 // If this bit is 1, the page is has been reported as bad. 1843 func (b PSAPI_WORKING_SET_EX_BLOCK) Bad() bool { 1844 return (b & (1 << 31)) == 1 1845 } 1846 1847 // intField extracts an integer field in the PSAPI_WORKING_SET_EX_BLOCK union. 1848 func (b PSAPI_WORKING_SET_EX_BLOCK) intField(start, length int) uint64 { 1849 var mask PSAPI_WORKING_SET_EX_BLOCK 1850 for pos := start; pos < start+length; pos++ { 1851 mask |= (1 << pos) 1852 } 1853 1854 masked := b & mask 1855 return uint64(masked >> start) 1856 } 1857 1858 // PSAPI_WORKING_SET_EX_INFORMATION contains extended working set information for a process. 1859 type PSAPI_WORKING_SET_EX_INFORMATION struct { 1860 // The virtual address. 1861 VirtualAddress Pointer 1862 // A PSAPI_WORKING_SET_EX_BLOCK union that indicates the attributes of the page at VirtualAddress. 1863 VirtualAttributes PSAPI_WORKING_SET_EX_BLOCK 1864 } 1865 1866 // CreatePseudoConsole creates a windows pseudo console. 1867 func CreatePseudoConsole(size Coord, in Handle, out Handle, flags uint32, pconsole *Handle) error { 1868 // We need this wrapper to manually cast Coord to uint32. The autogenerated wrappers only 1869 // accept arguments that can be casted to uintptr, and Coord can't. 1870 return createPseudoConsole(*((*uint32)(unsafe.Pointer(&size))), in, out, flags, pconsole) 1871 } 1872 1873 // ResizePseudoConsole resizes the internal buffers of the pseudo console to the width and height specified in `size`. 1874 func ResizePseudoConsole(pconsole Handle, size Coord) error { 1875 // We need this wrapper to manually cast Coord to uint32. The autogenerated wrappers only 1876 // accept arguments that can be casted to uintptr, and Coord can't. 1877 return resizePseudoConsole(pconsole, *((*uint32)(unsafe.Pointer(&size)))) 1878 } 1879 1880 // DCB constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/ns-winbase-dcb. 1881 const ( 1882 CBR_110 = 110 1883 CBR_300 = 300 1884 CBR_600 = 600 1885 CBR_1200 = 1200 1886 CBR_2400 = 2400 1887 CBR_4800 = 4800 1888 CBR_9600 = 9600 1889 CBR_14400 = 14400 1890 CBR_19200 = 19200 1891 CBR_38400 = 38400 1892 CBR_57600 = 57600 1893 CBR_115200 = 115200 1894 CBR_128000 = 128000 1895 CBR_256000 = 256000 1896 1897 DTR_CONTROL_DISABLE = 0x00000000 1898 DTR_CONTROL_ENABLE = 0x00000010 1899 DTR_CONTROL_HANDSHAKE = 0x00000020 1900 1901 RTS_CONTROL_DISABLE = 0x00000000 1902 RTS_CONTROL_ENABLE = 0x00001000 1903 RTS_CONTROL_HANDSHAKE = 0x00002000 1904 RTS_CONTROL_TOGGLE = 0x00003000 1905 1906 NOPARITY = 0 1907 ODDPARITY = 1 1908 EVENPARITY = 2 1909 MARKPARITY = 3 1910 SPACEPARITY = 4 1911 1912 ONESTOPBIT = 0 1913 ONE5STOPBITS = 1 1914 TWOSTOPBITS = 2 1915 ) 1916 1917 // EscapeCommFunction constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-escapecommfunction. 1918 const ( 1919 SETXOFF = 1 1920 SETXON = 2 1921 SETRTS = 3 1922 CLRRTS = 4 1923 SETDTR = 5 1924 CLRDTR = 6 1925 SETBREAK = 8 1926 CLRBREAK = 9 1927 ) 1928 1929 // PurgeComm constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-purgecomm. 1930 const ( 1931 PURGE_TXABORT = 0x0001 1932 PURGE_RXABORT = 0x0002 1933 PURGE_TXCLEAR = 0x0004 1934 PURGE_RXCLEAR = 0x0008 1935 ) 1936 1937 // SetCommMask constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-setcommmask. 1938 const ( 1939 EV_RXCHAR = 0x0001 1940 EV_RXFLAG = 0x0002 1941 EV_TXEMPTY = 0x0004 1942 EV_CTS = 0x0008 1943 EV_DSR = 0x0010 1944 EV_RLSD = 0x0020 1945 EV_BREAK = 0x0040 1946 EV_ERR = 0x0080 1947 EV_RING = 0x0100 1948 ) 1949