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 NtSetInformationFile(handle Handle, iosb *IO_STATUS_BLOCK, inBuffer *byte, inBufferLen uint32, class uint32) (ntstatus error) = ntdll.NtSetInformationFile 456 //sys RtlDosPathNameToNtPathName(dosName *uint16, ntName *NTUnicodeString, ntFileNamePart *uint16, relativeName *RTL_RELATIVE_NAME) (ntstatus error) = ntdll.RtlDosPathNameToNtPathName_U_WithStatus 457 //sys RtlDosPathNameToRelativeNtPathName(dosName *uint16, ntName *NTUnicodeString, ntFileNamePart *uint16, relativeName *RTL_RELATIVE_NAME) (ntstatus error) = ntdll.RtlDosPathNameToRelativeNtPathName_U_WithStatus 458 //sys RtlDefaultNpAcl(acl **ACL) (ntstatus error) = ntdll.RtlDefaultNpAcl 459 //sys NtQueryInformationProcess(proc Handle, procInfoClass int32, procInfo unsafe.Pointer, procInfoLen uint32, retLen *uint32) (ntstatus error) = ntdll.NtQueryInformationProcess 460 //sys NtSetInformationProcess(proc Handle, procInfoClass int32, procInfo unsafe.Pointer, procInfoLen uint32) (ntstatus error) = ntdll.NtSetInformationProcess 461 //sys NtQuerySystemInformation(sysInfoClass int32, sysInfo unsafe.Pointer, sysInfoLen uint32, retLen *uint32) (ntstatus error) = ntdll.NtQuerySystemInformation 462 //sys NtSetSystemInformation(sysInfoClass int32, sysInfo unsafe.Pointer, sysInfoLen uint32) (ntstatus error) = ntdll.NtSetSystemInformation 463 //sys RtlAddFunctionTable(functionTable *RUNTIME_FUNCTION, entryCount uint32, baseAddress uintptr) (ret bool) = ntdll.RtlAddFunctionTable 464 //sys RtlDeleteFunctionTable(functionTable *RUNTIME_FUNCTION) (ret bool) = ntdll.RtlDeleteFunctionTable 465 466 // Desktop Window Manager API (Dwmapi) 467 //sys DwmGetWindowAttribute(hwnd HWND, attribute uint32, value unsafe.Pointer, size uint32) (ret error) = dwmapi.DwmGetWindowAttribute 468 //sys DwmSetWindowAttribute(hwnd HWND, attribute uint32, value unsafe.Pointer, size uint32) (ret error) = dwmapi.DwmSetWindowAttribute 469 470 // Windows Multimedia API 471 //sys TimeBeginPeriod (period uint32) (err error) [failretval != 0] = winmm.timeBeginPeriod 472 //sys TimeEndPeriod (period uint32) (err error) [failretval != 0] = winmm.timeEndPeriod 473 474 // syscall interface implementation for other packages 475 476 // GetCurrentProcess returns the handle for the current process. 477 // It is a pseudo handle that does not need to be closed. 478 // The returned error is always nil. 479 // 480 // Deprecated: use CurrentProcess for the same Handle without the nil 481 // error. 482 func GetCurrentProcess() (Handle, error) { 483 return CurrentProcess(), nil 484 } 485 486 // CurrentProcess returns the handle for the current process. 487 // It is a pseudo handle that does not need to be closed. 488 func CurrentProcess() Handle { return Handle(^uintptr(1 - 1)) } 489 490 // GetCurrentThread returns the handle for the current thread. 491 // It is a pseudo handle that does not need to be closed. 492 // The returned error is always nil. 493 // 494 // Deprecated: use CurrentThread for the same Handle without the nil 495 // error. 496 func GetCurrentThread() (Handle, error) { 497 return CurrentThread(), nil 498 } 499 500 // CurrentThread returns the handle for the current thread. 501 // It is a pseudo handle that does not need to be closed. 502 func CurrentThread() Handle { return Handle(^uintptr(2 - 1)) } 503 504 // GetProcAddressByOrdinal retrieves the address of the exported 505 // function from module by ordinal. 506 func GetProcAddressByOrdinal(module Handle, ordinal uintptr) (proc uintptr, err error) { 507 r0, _, e1 := syscall.Syscall(procGetProcAddress.Addr(), 2, uintptr(module), ordinal, 0) 508 proc = uintptr(r0) 509 if proc == 0 { 510 err = errnoErr(e1) 511 } 512 return 513 } 514 515 func Exit(code int) { ExitProcess(uint32(code)) } 516 517 func makeInheritSa() *SecurityAttributes { 518 var sa SecurityAttributes 519 sa.Length = uint32(unsafe.Sizeof(sa)) 520 sa.InheritHandle = 1 521 return &sa 522 } 523 524 func Open(path string, mode int, perm uint32) (fd Handle, err error) { 525 if len(path) == 0 { 526 return InvalidHandle, ERROR_FILE_NOT_FOUND 527 } 528 pathp, err := UTF16PtrFromString(path) 529 if err != nil { 530 return InvalidHandle, err 531 } 532 var access uint32 533 switch mode & (O_RDONLY | O_WRONLY | O_RDWR) { 534 case O_RDONLY: 535 access = GENERIC_READ 536 case O_WRONLY: 537 access = GENERIC_WRITE 538 case O_RDWR: 539 access = GENERIC_READ | GENERIC_WRITE 540 } 541 if mode&O_CREAT != 0 { 542 access |= GENERIC_WRITE 543 } 544 if mode&O_APPEND != 0 { 545 access &^= GENERIC_WRITE 546 access |= FILE_APPEND_DATA 547 } 548 sharemode := uint32(FILE_SHARE_READ | FILE_SHARE_WRITE) 549 var sa *SecurityAttributes 550 if mode&O_CLOEXEC == 0 { 551 sa = makeInheritSa() 552 } 553 var createmode uint32 554 switch { 555 case mode&(O_CREAT|O_EXCL) == (O_CREAT | O_EXCL): 556 createmode = CREATE_NEW 557 case mode&(O_CREAT|O_TRUNC) == (O_CREAT | O_TRUNC): 558 createmode = CREATE_ALWAYS 559 case mode&O_CREAT == O_CREAT: 560 createmode = OPEN_ALWAYS 561 case mode&O_TRUNC == O_TRUNC: 562 createmode = TRUNCATE_EXISTING 563 default: 564 createmode = OPEN_EXISTING 565 } 566 var attrs uint32 = FILE_ATTRIBUTE_NORMAL 567 if perm&S_IWRITE == 0 { 568 attrs = FILE_ATTRIBUTE_READONLY 569 } 570 h, e := CreateFile(pathp, access, sharemode, sa, createmode, attrs, 0) 571 return h, e 572 } 573 574 func Read(fd Handle, p []byte) (n int, err error) { 575 var done uint32 576 e := ReadFile(fd, p, &done, nil) 577 if e != nil { 578 if e == ERROR_BROKEN_PIPE { 579 // NOTE(brainman): work around ERROR_BROKEN_PIPE is returned on reading EOF from stdin 580 return 0, nil 581 } 582 return 0, e 583 } 584 return int(done), nil 585 } 586 587 func Write(fd Handle, p []byte) (n int, err error) { 588 if raceenabled { 589 raceReleaseMerge(unsafe.Pointer(&ioSync)) 590 } 591 var done uint32 592 e := WriteFile(fd, p, &done, nil) 593 if e != nil { 594 return 0, e 595 } 596 return int(done), nil 597 } 598 599 func ReadFile(fd Handle, p []byte, done *uint32, overlapped *Overlapped) error { 600 err := readFile(fd, p, done, overlapped) 601 if raceenabled { 602 if *done > 0 { 603 raceWriteRange(unsafe.Pointer(&p[0]), int(*done)) 604 } 605 raceAcquire(unsafe.Pointer(&ioSync)) 606 } 607 return err 608 } 609 610 func WriteFile(fd Handle, p []byte, done *uint32, overlapped *Overlapped) error { 611 if raceenabled { 612 raceReleaseMerge(unsafe.Pointer(&ioSync)) 613 } 614 err := writeFile(fd, p, done, overlapped) 615 if raceenabled && *done > 0 { 616 raceReadRange(unsafe.Pointer(&p[0]), int(*done)) 617 } 618 return err 619 } 620 621 var ioSync int64 622 623 func Seek(fd Handle, offset int64, whence int) (newoffset int64, err error) { 624 var w uint32 625 switch whence { 626 case 0: 627 w = FILE_BEGIN 628 case 1: 629 w = FILE_CURRENT 630 case 2: 631 w = FILE_END 632 } 633 hi := int32(offset >> 32) 634 lo := int32(offset) 635 // use GetFileType to check pipe, pipe can't do seek 636 ft, _ := GetFileType(fd) 637 if ft == FILE_TYPE_PIPE { 638 return 0, syscall.EPIPE 639 } 640 rlo, e := SetFilePointer(fd, lo, &hi, w) 641 if e != nil { 642 return 0, e 643 } 644 return int64(hi)<<32 + int64(rlo), nil 645 } 646 647 func Close(fd Handle) (err error) { 648 return CloseHandle(fd) 649 } 650 651 var ( 652 Stdin = getStdHandle(STD_INPUT_HANDLE) 653 Stdout = getStdHandle(STD_OUTPUT_HANDLE) 654 Stderr = getStdHandle(STD_ERROR_HANDLE) 655 ) 656 657 func getStdHandle(stdhandle uint32) (fd Handle) { 658 r, _ := GetStdHandle(stdhandle) 659 return r 660 } 661 662 const ImplementsGetwd = true 663 664 func Getwd() (wd string, err error) { 665 b := make([]uint16, 300) 666 n, e := GetCurrentDirectory(uint32(len(b)), &b[0]) 667 if e != nil { 668 return "", e 669 } 670 return string(utf16.Decode(b[0:n])), nil 671 } 672 673 func Chdir(path string) (err error) { 674 pathp, err := UTF16PtrFromString(path) 675 if err != nil { 676 return err 677 } 678 return SetCurrentDirectory(pathp) 679 } 680 681 func Mkdir(path string, mode uint32) (err error) { 682 pathp, err := UTF16PtrFromString(path) 683 if err != nil { 684 return err 685 } 686 return CreateDirectory(pathp, nil) 687 } 688 689 func Rmdir(path string) (err error) { 690 pathp, err := UTF16PtrFromString(path) 691 if err != nil { 692 return err 693 } 694 return RemoveDirectory(pathp) 695 } 696 697 func Unlink(path string) (err error) { 698 pathp, err := UTF16PtrFromString(path) 699 if err != nil { 700 return err 701 } 702 return DeleteFile(pathp) 703 } 704 705 func Rename(oldpath, newpath string) (err error) { 706 from, err := UTF16PtrFromString(oldpath) 707 if err != nil { 708 return err 709 } 710 to, err := UTF16PtrFromString(newpath) 711 if err != nil { 712 return err 713 } 714 return MoveFileEx(from, to, MOVEFILE_REPLACE_EXISTING) 715 } 716 717 func ComputerName() (name string, err error) { 718 var n uint32 = MAX_COMPUTERNAME_LENGTH + 1 719 b := make([]uint16, n) 720 e := GetComputerName(&b[0], &n) 721 if e != nil { 722 return "", e 723 } 724 return string(utf16.Decode(b[0:n])), nil 725 } 726 727 func DurationSinceBoot() time.Duration { 728 return time.Duration(getTickCount64()) * time.Millisecond 729 } 730 731 func Ftruncate(fd Handle, length int64) (err error) { 732 type _FILE_END_OF_FILE_INFO struct { 733 EndOfFile int64 734 } 735 var info _FILE_END_OF_FILE_INFO 736 info.EndOfFile = length 737 return SetFileInformationByHandle(fd, FileEndOfFileInfo, (*byte)(unsafe.Pointer(&info)), uint32(unsafe.Sizeof(info))) 738 } 739 740 func Gettimeofday(tv *Timeval) (err error) { 741 var ft Filetime 742 GetSystemTimeAsFileTime(&ft) 743 *tv = NsecToTimeval(ft.Nanoseconds()) 744 return nil 745 } 746 747 func Pipe(p []Handle) (err error) { 748 if len(p) != 2 { 749 return syscall.EINVAL 750 } 751 var r, w Handle 752 e := CreatePipe(&r, &w, makeInheritSa(), 0) 753 if e != nil { 754 return e 755 } 756 p[0] = r 757 p[1] = w 758 return nil 759 } 760 761 func Utimes(path string, tv []Timeval) (err error) { 762 if len(tv) != 2 { 763 return syscall.EINVAL 764 } 765 pathp, e := UTF16PtrFromString(path) 766 if e != nil { 767 return e 768 } 769 h, e := CreateFile(pathp, 770 FILE_WRITE_ATTRIBUTES, FILE_SHARE_WRITE, nil, 771 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0) 772 if e != nil { 773 return e 774 } 775 defer CloseHandle(h) 776 a := NsecToFiletime(tv[0].Nanoseconds()) 777 w := NsecToFiletime(tv[1].Nanoseconds()) 778 return SetFileTime(h, nil, &a, &w) 779 } 780 781 func UtimesNano(path string, ts []Timespec) (err error) { 782 if len(ts) != 2 { 783 return syscall.EINVAL 784 } 785 pathp, e := UTF16PtrFromString(path) 786 if e != nil { 787 return e 788 } 789 h, e := CreateFile(pathp, 790 FILE_WRITE_ATTRIBUTES, FILE_SHARE_WRITE, nil, 791 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0) 792 if e != nil { 793 return e 794 } 795 defer CloseHandle(h) 796 a := NsecToFiletime(TimespecToNsec(ts[0])) 797 w := NsecToFiletime(TimespecToNsec(ts[1])) 798 return SetFileTime(h, nil, &a, &w) 799 } 800 801 func Fsync(fd Handle) (err error) { 802 return FlushFileBuffers(fd) 803 } 804 805 func Chmod(path string, mode uint32) (err error) { 806 p, e := UTF16PtrFromString(path) 807 if e != nil { 808 return e 809 } 810 attrs, e := GetFileAttributes(p) 811 if e != nil { 812 return e 813 } 814 if mode&S_IWRITE != 0 { 815 attrs &^= FILE_ATTRIBUTE_READONLY 816 } else { 817 attrs |= FILE_ATTRIBUTE_READONLY 818 } 819 return SetFileAttributes(p, attrs) 820 } 821 822 func LoadGetSystemTimePreciseAsFileTime() error { 823 return procGetSystemTimePreciseAsFileTime.Find() 824 } 825 826 func LoadCancelIoEx() error { 827 return procCancelIoEx.Find() 828 } 829 830 func LoadSetFileCompletionNotificationModes() error { 831 return procSetFileCompletionNotificationModes.Find() 832 } 833 834 func WaitForMultipleObjects(handles []Handle, waitAll bool, waitMilliseconds uint32) (event uint32, err error) { 835 // Every other win32 array API takes arguments as "pointer, count", except for this function. So we 836 // can't declare it as a usual [] type, because mksyscall will use the opposite order. We therefore 837 // trivially stub this ourselves. 838 839 var handlePtr *Handle 840 if len(handles) > 0 { 841 handlePtr = &handles[0] 842 } 843 return waitForMultipleObjects(uint32(len(handles)), uintptr(unsafe.Pointer(handlePtr)), waitAll, waitMilliseconds) 844 } 845 846 // net api calls 847 848 const socket_error = uintptr(^uint32(0)) 849 850 //sys WSAStartup(verreq uint32, data *WSAData) (sockerr error) = ws2_32.WSAStartup 851 //sys WSACleanup() (err error) [failretval==socket_error] = ws2_32.WSACleanup 852 //sys WSAIoctl(s Handle, iocc uint32, inbuf *byte, cbif uint32, outbuf *byte, cbob uint32, cbbr *uint32, overlapped *Overlapped, completionRoutine uintptr) (err error) [failretval==socket_error] = ws2_32.WSAIoctl 853 //sys WSALookupServiceBegin(querySet *WSAQUERYSET, flags uint32, handle *Handle) (err error) [failretval==socket_error] = ws2_32.WSALookupServiceBeginW 854 //sys WSALookupServiceNext(handle Handle, flags uint32, size *int32, querySet *WSAQUERYSET) (err error) [failretval==socket_error] = ws2_32.WSALookupServiceNextW 855 //sys WSALookupServiceEnd(handle Handle) (err error) [failretval==socket_error] = ws2_32.WSALookupServiceEnd 856 //sys socket(af int32, typ int32, protocol int32) (handle Handle, err error) [failretval==InvalidHandle] = ws2_32.socket 857 //sys sendto(s Handle, buf []byte, flags int32, to unsafe.Pointer, tolen int32) (err error) [failretval==socket_error] = ws2_32.sendto 858 //sys recvfrom(s Handle, buf []byte, flags int32, from *RawSockaddrAny, fromlen *int32) (n int32, err error) [failretval==-1] = ws2_32.recvfrom 859 //sys Setsockopt(s Handle, level int32, optname int32, optval *byte, optlen int32) (err error) [failretval==socket_error] = ws2_32.setsockopt 860 //sys Getsockopt(s Handle, level int32, optname int32, optval *byte, optlen *int32) (err error) [failretval==socket_error] = ws2_32.getsockopt 861 //sys bind(s Handle, name unsafe.Pointer, namelen int32) (err error) [failretval==socket_error] = ws2_32.bind 862 //sys connect(s Handle, name unsafe.Pointer, namelen int32) (err error) [failretval==socket_error] = ws2_32.connect 863 //sys getsockname(s Handle, rsa *RawSockaddrAny, addrlen *int32) (err error) [failretval==socket_error] = ws2_32.getsockname 864 //sys getpeername(s Handle, rsa *RawSockaddrAny, addrlen *int32) (err error) [failretval==socket_error] = ws2_32.getpeername 865 //sys listen(s Handle, backlog int32) (err error) [failretval==socket_error] = ws2_32.listen 866 //sys shutdown(s Handle, how int32) (err error) [failretval==socket_error] = ws2_32.shutdown 867 //sys Closesocket(s Handle) (err error) [failretval==socket_error] = ws2_32.closesocket 868 //sys AcceptEx(ls Handle, as Handle, buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, recvd *uint32, overlapped *Overlapped) (err error) = mswsock.AcceptEx 869 //sys GetAcceptExSockaddrs(buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, lrsa **RawSockaddrAny, lrsalen *int32, rrsa **RawSockaddrAny, rrsalen *int32) = mswsock.GetAcceptExSockaddrs 870 //sys WSARecv(s Handle, bufs *WSABuf, bufcnt uint32, recvd *uint32, flags *uint32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSARecv 871 //sys WSASend(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSASend 872 //sys WSARecvFrom(s Handle, bufs *WSABuf, bufcnt uint32, recvd *uint32, flags *uint32, from *RawSockaddrAny, fromlen *int32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSARecvFrom 873 //sys WSASendTo(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, to *RawSockaddrAny, tolen int32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSASendTo 874 //sys WSASocket(af int32, typ int32, protocol int32, protoInfo *WSAProtocolInfo, group uint32, flags uint32) (handle Handle, err error) [failretval==InvalidHandle] = ws2_32.WSASocketW 875 //sys WSADuplicateSocket(s Handle, processID uint32, info *WSAProtocolInfo) (err error) [failretval!=0] = ws2_32.WSADuplicateSocketW 876 //sys GetHostByName(name string) (h *Hostent, err error) [failretval==nil] = ws2_32.gethostbyname 877 //sys GetServByName(name string, proto string) (s *Servent, err error) [failretval==nil] = ws2_32.getservbyname 878 //sys Ntohs(netshort uint16) (u uint16) = ws2_32.ntohs 879 //sys GetProtoByName(name string) (p *Protoent, err error) [failretval==nil] = ws2_32.getprotobyname 880 //sys DnsQuery(name string, qtype uint16, options uint32, extra *byte, qrs **DNSRecord, pr *byte) (status error) = dnsapi.DnsQuery_W 881 //sys DnsRecordListFree(rl *DNSRecord, freetype uint32) = dnsapi.DnsRecordListFree 882 //sys DnsNameCompare(name1 *uint16, name2 *uint16) (same bool) = dnsapi.DnsNameCompare_W 883 //sys GetAddrInfoW(nodename *uint16, servicename *uint16, hints *AddrinfoW, result **AddrinfoW) (sockerr error) = ws2_32.GetAddrInfoW 884 //sys FreeAddrInfoW(addrinfo *AddrinfoW) = ws2_32.FreeAddrInfoW 885 //sys GetIfEntry(pIfRow *MibIfRow) (errcode error) = iphlpapi.GetIfEntry 886 //sys GetAdaptersInfo(ai *IpAdapterInfo, ol *uint32) (errcode error) = iphlpapi.GetAdaptersInfo 887 //sys SetFileCompletionNotificationModes(handle Handle, flags uint8) (err error) = kernel32.SetFileCompletionNotificationModes 888 //sys WSAEnumProtocols(protocols *int32, protocolBuffer *WSAProtocolInfo, bufferLength *uint32) (n int32, err error) [failretval==-1] = ws2_32.WSAEnumProtocolsW 889 //sys WSAGetOverlappedResult(h Handle, o *Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) = ws2_32.WSAGetOverlappedResult 890 //sys GetAdaptersAddresses(family uint32, flags uint32, reserved uintptr, adapterAddresses *IpAdapterAddresses, sizePointer *uint32) (errcode error) = iphlpapi.GetAdaptersAddresses 891 //sys GetACP() (acp uint32) = kernel32.GetACP 892 //sys MultiByteToWideChar(codePage uint32, dwFlags uint32, str *byte, nstr int32, wchar *uint16, nwchar int32) (nwrite int32, err error) = kernel32.MultiByteToWideChar 893 //sys getBestInterfaceEx(sockaddr unsafe.Pointer, pdwBestIfIndex *uint32) (errcode error) = iphlpapi.GetBestInterfaceEx 894 //sys GetIfEntry2Ex(level uint32, row *MibIfRow2) (errcode error) = iphlpapi.GetIfEntry2Ex 895 //sys GetIpForwardEntry2(row *MibIpForwardRow2) (errcode error) = iphlpapi.GetIpForwardEntry2 896 //sys GetIpForwardTable2(family uint16, table **MibIpForwardTable2) (errcode error) = iphlpapi.GetIpForwardTable2 897 //sys GetUnicastIpAddressEntry(row *MibUnicastIpAddressRow) (errcode error) = iphlpapi.GetUnicastIpAddressEntry 898 //sys FreeMibTable(memory unsafe.Pointer) = iphlpapi.FreeMibTable 899 //sys NotifyIpInterfaceChange(family uint16, callback uintptr, callerContext unsafe.Pointer, initialNotification bool, notificationHandle *Handle) (errcode error) = iphlpapi.NotifyIpInterfaceChange 900 //sys NotifyRouteChange2(family uint16, callback uintptr, callerContext unsafe.Pointer, initialNotification bool, notificationHandle *Handle) (errcode error) = iphlpapi.NotifyRouteChange2 901 //sys NotifyUnicastIpAddressChange(family uint16, callback uintptr, callerContext unsafe.Pointer, initialNotification bool, notificationHandle *Handle) (errcode error) = iphlpapi.NotifyUnicastIpAddressChange 902 //sys CancelMibChangeNotify2(notificationHandle Handle) (errcode error) = iphlpapi.CancelMibChangeNotify2 903 904 // For testing: clients can set this flag to force 905 // creation of IPv6 sockets to return EAFNOSUPPORT. 906 var SocketDisableIPv6 bool 907 908 type RawSockaddrInet4 struct { 909 Family uint16 910 Port uint16 911 Addr [4]byte /* in_addr */ 912 Zero [8]uint8 913 } 914 915 type RawSockaddrInet6 struct { 916 Family uint16 917 Port uint16 918 Flowinfo uint32 919 Addr [16]byte /* in6_addr */ 920 Scope_id uint32 921 } 922 923 // RawSockaddrInet is a union that contains an IPv4, an IPv6 address, or an address family. See 924 // https://learn.microsoft.com/en-us/windows/win32/api/ws2ipdef/ns-ws2ipdef-sockaddr_inet. 925 // 926 // A [*RawSockaddrInet] may be converted to a [*RawSockaddrInet4] or [*RawSockaddrInet6] using 927 // unsafe, depending on the address family. 928 type RawSockaddrInet struct { 929 Family uint16 930 Port uint16 931 Data [6]uint32 932 } 933 934 type RawSockaddr struct { 935 Family uint16 936 Data [14]int8 937 } 938 939 type RawSockaddrAny struct { 940 Addr RawSockaddr 941 Pad [100]int8 942 } 943 944 type Sockaddr interface { 945 sockaddr() (ptr unsafe.Pointer, len int32, err error) // lowercase; only we can define Sockaddrs 946 } 947 948 type SockaddrInet4 struct { 949 Port int 950 Addr [4]byte 951 raw RawSockaddrInet4 952 } 953 954 func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, int32, error) { 955 if sa.Port < 0 || sa.Port > 0xFFFF { 956 return nil, 0, syscall.EINVAL 957 } 958 sa.raw.Family = AF_INET 959 p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port)) 960 p[0] = byte(sa.Port >> 8) 961 p[1] = byte(sa.Port) 962 sa.raw.Addr = sa.Addr 963 return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil 964 } 965 966 type SockaddrInet6 struct { 967 Port int 968 ZoneId uint32 969 Addr [16]byte 970 raw RawSockaddrInet6 971 } 972 973 func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, int32, error) { 974 if sa.Port < 0 || sa.Port > 0xFFFF { 975 return nil, 0, syscall.EINVAL 976 } 977 sa.raw.Family = AF_INET6 978 p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port)) 979 p[0] = byte(sa.Port >> 8) 980 p[1] = byte(sa.Port) 981 sa.raw.Scope_id = sa.ZoneId 982 sa.raw.Addr = sa.Addr 983 return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil 984 } 985 986 type RawSockaddrUnix struct { 987 Family uint16 988 Path [UNIX_PATH_MAX]int8 989 } 990 991 type SockaddrUnix struct { 992 Name string 993 raw RawSockaddrUnix 994 } 995 996 func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, int32, error) { 997 name := sa.Name 998 n := len(name) 999 if n > len(sa.raw.Path) { 1000 return nil, 0, syscall.EINVAL 1001 } 1002 if n == len(sa.raw.Path) && name[0] != '@' { 1003 return nil, 0, syscall.EINVAL 1004 } 1005 sa.raw.Family = AF_UNIX 1006 for i := 0; i < n; i++ { 1007 sa.raw.Path[i] = int8(name[i]) 1008 } 1009 // length is family (uint16), name, NUL. 1010 sl := int32(2) 1011 if n > 0 { 1012 sl += int32(n) + 1 1013 } 1014 if sa.raw.Path[0] == '@' || (sa.raw.Path[0] == 0 && sl > 3) { 1015 // Check sl > 3 so we don't change unnamed socket behavior. 1016 sa.raw.Path[0] = 0 1017 // Don't count trailing NUL for abstract address. 1018 sl-- 1019 } 1020 1021 return unsafe.Pointer(&sa.raw), sl, nil 1022 } 1023 1024 type RawSockaddrBth struct { 1025 AddressFamily [2]byte 1026 BtAddr [8]byte 1027 ServiceClassId [16]byte 1028 Port [4]byte 1029 } 1030 1031 type SockaddrBth struct { 1032 BtAddr uint64 1033 ServiceClassId GUID 1034 Port uint32 1035 1036 raw RawSockaddrBth 1037 } 1038 1039 func (sa *SockaddrBth) sockaddr() (unsafe.Pointer, int32, error) { 1040 family := AF_BTH 1041 sa.raw = RawSockaddrBth{ 1042 AddressFamily: *(*[2]byte)(unsafe.Pointer(&family)), 1043 BtAddr: *(*[8]byte)(unsafe.Pointer(&sa.BtAddr)), 1044 Port: *(*[4]byte)(unsafe.Pointer(&sa.Port)), 1045 ServiceClassId: *(*[16]byte)(unsafe.Pointer(&sa.ServiceClassId)), 1046 } 1047 return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil 1048 } 1049 1050 func (rsa *RawSockaddrAny) Sockaddr() (Sockaddr, error) { 1051 switch rsa.Addr.Family { 1052 case AF_UNIX: 1053 pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa)) 1054 sa := new(SockaddrUnix) 1055 if pp.Path[0] == 0 { 1056 // "Abstract" Unix domain socket. 1057 // Rewrite leading NUL as @ for textual display. 1058 // (This is the standard convention.) 1059 // Not friendly to overwrite in place, 1060 // but the callers below don't care. 1061 pp.Path[0] = '@' 1062 } 1063 1064 // Assume path ends at NUL. 1065 // This is not technically the Linux semantics for 1066 // abstract Unix domain sockets--they are supposed 1067 // to be uninterpreted fixed-size binary blobs--but 1068 // everyone uses this convention. 1069 n := 0 1070 for n < len(pp.Path) && pp.Path[n] != 0 { 1071 n++ 1072 } 1073 sa.Name = string(unsafe.Slice((*byte)(unsafe.Pointer(&pp.Path[0])), n)) 1074 return sa, nil 1075 1076 case AF_INET: 1077 pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa)) 1078 sa := new(SockaddrInet4) 1079 p := (*[2]byte)(unsafe.Pointer(&pp.Port)) 1080 sa.Port = int(p[0])<<8 + int(p[1]) 1081 sa.Addr = pp.Addr 1082 return sa, nil 1083 1084 case AF_INET6: 1085 pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa)) 1086 sa := new(SockaddrInet6) 1087 p := (*[2]byte)(unsafe.Pointer(&pp.Port)) 1088 sa.Port = int(p[0])<<8 + int(p[1]) 1089 sa.ZoneId = pp.Scope_id 1090 sa.Addr = pp.Addr 1091 return sa, nil 1092 } 1093 return nil, syscall.EAFNOSUPPORT 1094 } 1095 1096 func Socket(domain, typ, proto int) (fd Handle, err error) { 1097 if domain == AF_INET6 && SocketDisableIPv6 { 1098 return InvalidHandle, syscall.EAFNOSUPPORT 1099 } 1100 return socket(int32(domain), int32(typ), int32(proto)) 1101 } 1102 1103 func SetsockoptInt(fd Handle, level, opt int, value int) (err error) { 1104 v := int32(value) 1105 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&v)), int32(unsafe.Sizeof(v))) 1106 } 1107 1108 func Bind(fd Handle, sa Sockaddr) (err error) { 1109 ptr, n, err := sa.sockaddr() 1110 if err != nil { 1111 return err 1112 } 1113 return bind(fd, ptr, n) 1114 } 1115 1116 func Connect(fd Handle, sa Sockaddr) (err error) { 1117 ptr, n, err := sa.sockaddr() 1118 if err != nil { 1119 return err 1120 } 1121 return connect(fd, ptr, n) 1122 } 1123 1124 func GetBestInterfaceEx(sa Sockaddr, pdwBestIfIndex *uint32) (err error) { 1125 ptr, _, err := sa.sockaddr() 1126 if err != nil { 1127 return err 1128 } 1129 return getBestInterfaceEx(ptr, pdwBestIfIndex) 1130 } 1131 1132 func Getsockname(fd Handle) (sa Sockaddr, err error) { 1133 var rsa RawSockaddrAny 1134 l := int32(unsafe.Sizeof(rsa)) 1135 if err = getsockname(fd, &rsa, &l); err != nil { 1136 return 1137 } 1138 return rsa.Sockaddr() 1139 } 1140 1141 func Getpeername(fd Handle) (sa Sockaddr, err error) { 1142 var rsa RawSockaddrAny 1143 l := int32(unsafe.Sizeof(rsa)) 1144 if err = getpeername(fd, &rsa, &l); err != nil { 1145 return 1146 } 1147 return rsa.Sockaddr() 1148 } 1149 1150 func Listen(s Handle, n int) (err error) { 1151 return listen(s, int32(n)) 1152 } 1153 1154 func Shutdown(fd Handle, how int) (err error) { 1155 return shutdown(fd, int32(how)) 1156 } 1157 1158 func WSASendto(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, to Sockaddr, overlapped *Overlapped, croutine *byte) (err error) { 1159 var rsa unsafe.Pointer 1160 var l int32 1161 if to != nil { 1162 rsa, l, err = to.sockaddr() 1163 if err != nil { 1164 return err 1165 } 1166 } 1167 return WSASendTo(s, bufs, bufcnt, sent, flags, (*RawSockaddrAny)(unsafe.Pointer(rsa)), l, overlapped, croutine) 1168 } 1169 1170 func LoadGetAddrInfo() error { 1171 return procGetAddrInfoW.Find() 1172 } 1173 1174 var connectExFunc struct { 1175 once sync.Once 1176 addr uintptr 1177 err error 1178 } 1179 1180 func LoadConnectEx() error { 1181 connectExFunc.once.Do(func() { 1182 var s Handle 1183 s, connectExFunc.err = Socket(AF_INET, SOCK_STREAM, IPPROTO_TCP) 1184 if connectExFunc.err != nil { 1185 return 1186 } 1187 defer CloseHandle(s) 1188 var n uint32 1189 connectExFunc.err = WSAIoctl(s, 1190 SIO_GET_EXTENSION_FUNCTION_POINTER, 1191 (*byte)(unsafe.Pointer(&WSAID_CONNECTEX)), 1192 uint32(unsafe.Sizeof(WSAID_CONNECTEX)), 1193 (*byte)(unsafe.Pointer(&connectExFunc.addr)), 1194 uint32(unsafe.Sizeof(connectExFunc.addr)), 1195 &n, nil, 0) 1196 }) 1197 return connectExFunc.err 1198 } 1199 1200 func connectEx(s Handle, name unsafe.Pointer, namelen int32, sendBuf *byte, sendDataLen uint32, bytesSent *uint32, overlapped *Overlapped) (err error) { 1201 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) 1202 if r1 == 0 { 1203 if e1 != 0 { 1204 err = error(e1) 1205 } else { 1206 err = syscall.EINVAL 1207 } 1208 } 1209 return 1210 } 1211 1212 func ConnectEx(fd Handle, sa Sockaddr, sendBuf *byte, sendDataLen uint32, bytesSent *uint32, overlapped *Overlapped) error { 1213 err := LoadConnectEx() 1214 if err != nil { 1215 return errorspkg.New("failed to find ConnectEx: " + err.Error()) 1216 } 1217 ptr, n, err := sa.sockaddr() 1218 if err != nil { 1219 return err 1220 } 1221 return connectEx(fd, ptr, n, sendBuf, sendDataLen, bytesSent, overlapped) 1222 } 1223 1224 var sendRecvMsgFunc struct { 1225 once sync.Once 1226 sendAddr uintptr 1227 recvAddr uintptr 1228 err error 1229 } 1230 1231 func loadWSASendRecvMsg() error { 1232 sendRecvMsgFunc.once.Do(func() { 1233 var s Handle 1234 s, sendRecvMsgFunc.err = Socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP) 1235 if sendRecvMsgFunc.err != nil { 1236 return 1237 } 1238 defer CloseHandle(s) 1239 var n uint32 1240 sendRecvMsgFunc.err = WSAIoctl(s, 1241 SIO_GET_EXTENSION_FUNCTION_POINTER, 1242 (*byte)(unsafe.Pointer(&WSAID_WSARECVMSG)), 1243 uint32(unsafe.Sizeof(WSAID_WSARECVMSG)), 1244 (*byte)(unsafe.Pointer(&sendRecvMsgFunc.recvAddr)), 1245 uint32(unsafe.Sizeof(sendRecvMsgFunc.recvAddr)), 1246 &n, nil, 0) 1247 if sendRecvMsgFunc.err != nil { 1248 return 1249 } 1250 sendRecvMsgFunc.err = WSAIoctl(s, 1251 SIO_GET_EXTENSION_FUNCTION_POINTER, 1252 (*byte)(unsafe.Pointer(&WSAID_WSASENDMSG)), 1253 uint32(unsafe.Sizeof(WSAID_WSASENDMSG)), 1254 (*byte)(unsafe.Pointer(&sendRecvMsgFunc.sendAddr)), 1255 uint32(unsafe.Sizeof(sendRecvMsgFunc.sendAddr)), 1256 &n, nil, 0) 1257 }) 1258 return sendRecvMsgFunc.err 1259 } 1260 1261 func WSASendMsg(fd Handle, msg *WSAMsg, flags uint32, bytesSent *uint32, overlapped *Overlapped, croutine *byte) error { 1262 err := loadWSASendRecvMsg() 1263 if err != nil { 1264 return err 1265 } 1266 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))) 1267 if r1 == socket_error { 1268 err = errnoErr(e1) 1269 } 1270 return err 1271 } 1272 1273 func WSARecvMsg(fd Handle, msg *WSAMsg, bytesReceived *uint32, overlapped *Overlapped, croutine *byte) error { 1274 err := loadWSASendRecvMsg() 1275 if err != nil { 1276 return err 1277 } 1278 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) 1279 if r1 == socket_error { 1280 err = errnoErr(e1) 1281 } 1282 return err 1283 } 1284 1285 // Invented structures to support what package os expects. 1286 type Rusage struct { 1287 CreationTime Filetime 1288 ExitTime Filetime 1289 KernelTime Filetime 1290 UserTime Filetime 1291 } 1292 1293 type WaitStatus struct { 1294 ExitCode uint32 1295 } 1296 1297 func (w WaitStatus) Exited() bool { return true } 1298 1299 func (w WaitStatus) ExitStatus() int { return int(w.ExitCode) } 1300 1301 func (w WaitStatus) Signal() Signal { return -1 } 1302 1303 func (w WaitStatus) CoreDump() bool { return false } 1304 1305 func (w WaitStatus) Stopped() bool { return false } 1306 1307 func (w WaitStatus) Continued() bool { return false } 1308 1309 func (w WaitStatus) StopSignal() Signal { return -1 } 1310 1311 func (w WaitStatus) Signaled() bool { return false } 1312 1313 func (w WaitStatus) TrapCause() int { return -1 } 1314 1315 // Timespec is an invented structure on Windows, but here for 1316 // consistency with the corresponding package for other operating systems. 1317 type Timespec struct { 1318 Sec int64 1319 Nsec int64 1320 } 1321 1322 func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } 1323 1324 func NsecToTimespec(nsec int64) (ts Timespec) { 1325 ts.Sec = nsec / 1e9 1326 ts.Nsec = nsec % 1e9 1327 return 1328 } 1329 1330 // TODO(brainman): fix all needed for net 1331 1332 func Accept(fd Handle) (nfd Handle, sa Sockaddr, err error) { return 0, nil, syscall.EWINDOWS } 1333 1334 func Recvfrom(fd Handle, p []byte, flags int) (n int, from Sockaddr, err error) { 1335 var rsa RawSockaddrAny 1336 l := int32(unsafe.Sizeof(rsa)) 1337 n32, err := recvfrom(fd, p, int32(flags), &rsa, &l) 1338 n = int(n32) 1339 if err != nil { 1340 return 1341 } 1342 from, err = rsa.Sockaddr() 1343 return 1344 } 1345 1346 func Sendto(fd Handle, p []byte, flags int, to Sockaddr) (err error) { 1347 ptr, l, err := to.sockaddr() 1348 if err != nil { 1349 return err 1350 } 1351 return sendto(fd, p, int32(flags), ptr, l) 1352 } 1353 1354 func SetsockoptTimeval(fd Handle, level, opt int, tv *Timeval) (err error) { return syscall.EWINDOWS } 1355 1356 // The Linger struct is wrong but we only noticed after Go 1. 1357 // sysLinger is the real system call structure. 1358 1359 // BUG(brainman): The definition of Linger is not appropriate for direct use 1360 // with Setsockopt and Getsockopt. 1361 // Use SetsockoptLinger instead. 1362 1363 type Linger struct { 1364 Onoff int32 1365 Linger int32 1366 } 1367 1368 type sysLinger struct { 1369 Onoff uint16 1370 Linger uint16 1371 } 1372 1373 type IPMreq struct { 1374 Multiaddr [4]byte /* in_addr */ 1375 Interface [4]byte /* in_addr */ 1376 } 1377 1378 type IPv6Mreq struct { 1379 Multiaddr [16]byte /* in6_addr */ 1380 Interface uint32 1381 } 1382 1383 func GetsockoptInt(fd Handle, level, opt int) (int, error) { 1384 v := int32(0) 1385 l := int32(unsafe.Sizeof(v)) 1386 err := Getsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&v)), &l) 1387 return int(v), err 1388 } 1389 1390 func SetsockoptLinger(fd Handle, level, opt int, l *Linger) (err error) { 1391 sys := sysLinger{Onoff: uint16(l.Onoff), Linger: uint16(l.Linger)} 1392 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&sys)), int32(unsafe.Sizeof(sys))) 1393 } 1394 1395 func SetsockoptInet4Addr(fd Handle, level, opt int, value [4]byte) (err error) { 1396 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&value[0])), 4) 1397 } 1398 1399 func SetsockoptIPMreq(fd Handle, level, opt int, mreq *IPMreq) (err error) { 1400 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(mreq)), int32(unsafe.Sizeof(*mreq))) 1401 } 1402 1403 func SetsockoptIPv6Mreq(fd Handle, level, opt int, mreq *IPv6Mreq) (err error) { 1404 return syscall.EWINDOWS 1405 } 1406 1407 func EnumProcesses(processIds []uint32, bytesReturned *uint32) error { 1408 // EnumProcesses syscall expects the size parameter to be in bytes, but the code generated with mksyscall uses 1409 // the length of the processIds slice instead. Hence, this wrapper function is added to fix the discrepancy. 1410 var p *uint32 1411 if len(processIds) > 0 { 1412 p = &processIds[0] 1413 } 1414 size := uint32(len(processIds) * 4) 1415 return enumProcesses(p, size, bytesReturned) 1416 } 1417 1418 func Getpid() (pid int) { return int(GetCurrentProcessId()) } 1419 1420 func FindFirstFile(name *uint16, data *Win32finddata) (handle Handle, err error) { 1421 // NOTE(rsc): The Win32finddata struct is wrong for the system call: 1422 // the two paths are each one uint16 short. Use the correct struct, 1423 // a win32finddata1, and then copy the results out. 1424 // There is no loss of expressivity here, because the final 1425 // uint16, if it is used, is supposed to be a NUL, and Go doesn't need that. 1426 // For Go 1.1, we might avoid the allocation of win32finddata1 here 1427 // by adding a final Bug [2]uint16 field to the struct and then 1428 // adjusting the fields in the result directly. 1429 var data1 win32finddata1 1430 handle, err = findFirstFile1(name, &data1) 1431 if err == nil { 1432 copyFindData(data, &data1) 1433 } 1434 return 1435 } 1436 1437 func FindNextFile(handle Handle, data *Win32finddata) (err error) { 1438 var data1 win32finddata1 1439 err = findNextFile1(handle, &data1) 1440 if err == nil { 1441 copyFindData(data, &data1) 1442 } 1443 return 1444 } 1445 1446 func getProcessEntry(pid int) (*ProcessEntry32, error) { 1447 snapshot, err := CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0) 1448 if err != nil { 1449 return nil, err 1450 } 1451 defer CloseHandle(snapshot) 1452 var procEntry ProcessEntry32 1453 procEntry.Size = uint32(unsafe.Sizeof(procEntry)) 1454 if err = Process32First(snapshot, &procEntry); err != nil { 1455 return nil, err 1456 } 1457 for { 1458 if procEntry.ProcessID == uint32(pid) { 1459 return &procEntry, nil 1460 } 1461 err = Process32Next(snapshot, &procEntry) 1462 if err != nil { 1463 return nil, err 1464 } 1465 } 1466 } 1467 1468 func Getppid() (ppid int) { 1469 pe, err := getProcessEntry(Getpid()) 1470 if err != nil { 1471 return -1 1472 } 1473 return int(pe.ParentProcessID) 1474 } 1475 1476 // TODO(brainman): fix all needed for os 1477 func Fchdir(fd Handle) (err error) { return syscall.EWINDOWS } 1478 func Link(oldpath, newpath string) (err error) { return syscall.EWINDOWS } 1479 func Symlink(path, link string) (err error) { return syscall.EWINDOWS } 1480 1481 func Fchmod(fd Handle, mode uint32) (err error) { return syscall.EWINDOWS } 1482 func Chown(path string, uid int, gid int) (err error) { return syscall.EWINDOWS } 1483 func Lchown(path string, uid int, gid int) (err error) { return syscall.EWINDOWS } 1484 func Fchown(fd Handle, uid int, gid int) (err error) { return syscall.EWINDOWS } 1485 1486 func Getuid() (uid int) { return -1 } 1487 func Geteuid() (euid int) { return -1 } 1488 func Getgid() (gid int) { return -1 } 1489 func Getegid() (egid int) { return -1 } 1490 func Getgroups() (gids []int, err error) { return nil, syscall.EWINDOWS } 1491 1492 type Signal int 1493 1494 func (s Signal) Signal() {} 1495 1496 func (s Signal) String() string { 1497 if 0 <= s && int(s) < len(signals) { 1498 str := signals[s] 1499 if str != "" { 1500 return str 1501 } 1502 } 1503 return "signal " + itoa(int(s)) 1504 } 1505 1506 func LoadCreateSymbolicLink() error { 1507 return procCreateSymbolicLinkW.Find() 1508 } 1509 1510 // Readlink returns the destination of the named symbolic link. 1511 func Readlink(path string, buf []byte) (n int, err error) { 1512 fd, err := CreateFile(StringToUTF16Ptr(path), GENERIC_READ, 0, nil, OPEN_EXISTING, 1513 FILE_FLAG_OPEN_REPARSE_POINT|FILE_FLAG_BACKUP_SEMANTICS, 0) 1514 if err != nil { 1515 return -1, err 1516 } 1517 defer CloseHandle(fd) 1518 1519 rdbbuf := make([]byte, MAXIMUM_REPARSE_DATA_BUFFER_SIZE) 1520 var bytesReturned uint32 1521 err = DeviceIoControl(fd, FSCTL_GET_REPARSE_POINT, nil, 0, &rdbbuf[0], uint32(len(rdbbuf)), &bytesReturned, nil) 1522 if err != nil { 1523 return -1, err 1524 } 1525 1526 rdb := (*reparseDataBuffer)(unsafe.Pointer(&rdbbuf[0])) 1527 var s string 1528 switch rdb.ReparseTag { 1529 case IO_REPARSE_TAG_SYMLINK: 1530 data := (*symbolicLinkReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer)) 1531 p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0])) 1532 s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2]) 1533 case IO_REPARSE_TAG_MOUNT_POINT: 1534 data := (*mountPointReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer)) 1535 p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0])) 1536 s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2]) 1537 default: 1538 // the path is not a symlink or junction but another type of reparse 1539 // point 1540 return -1, syscall.ENOENT 1541 } 1542 n = copy(buf, []byte(s)) 1543 1544 return n, nil 1545 } 1546 1547 // GUIDFromString parses a string in the form of 1548 // "{XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}" into a GUID. 1549 func GUIDFromString(str string) (GUID, error) { 1550 guid := GUID{} 1551 str16, err := syscall.UTF16PtrFromString(str) 1552 if err != nil { 1553 return guid, err 1554 } 1555 err = clsidFromString(str16, &guid) 1556 if err != nil { 1557 return guid, err 1558 } 1559 return guid, nil 1560 } 1561 1562 // GenerateGUID creates a new random GUID. 1563 func GenerateGUID() (GUID, error) { 1564 guid := GUID{} 1565 err := coCreateGuid(&guid) 1566 if err != nil { 1567 return guid, err 1568 } 1569 return guid, nil 1570 } 1571 1572 // String returns the canonical string form of the GUID, 1573 // in the form of "{XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}". 1574 func (guid GUID) String() string { 1575 var str [100]uint16 1576 chars := stringFromGUID2(&guid, &str[0], int32(len(str))) 1577 if chars <= 1 { 1578 return "" 1579 } 1580 return string(utf16.Decode(str[:chars-1])) 1581 } 1582 1583 // KnownFolderPath returns a well-known folder path for the current user, specified by one of 1584 // the FOLDERID_ constants, and chosen and optionally created based on a KF_ flag. 1585 func KnownFolderPath(folderID *KNOWNFOLDERID, flags uint32) (string, error) { 1586 return Token(0).KnownFolderPath(folderID, flags) 1587 } 1588 1589 // KnownFolderPath returns a well-known folder path for the user token, specified by one of 1590 // the FOLDERID_ constants, and chosen and optionally created based on a KF_ flag. 1591 func (t Token) KnownFolderPath(folderID *KNOWNFOLDERID, flags uint32) (string, error) { 1592 var p *uint16 1593 err := shGetKnownFolderPath(folderID, flags, t, &p) 1594 if err != nil { 1595 return "", err 1596 } 1597 defer CoTaskMemFree(unsafe.Pointer(p)) 1598 return UTF16PtrToString(p), nil 1599 } 1600 1601 // RtlGetVersion returns the version of the underlying operating system, ignoring 1602 // manifest semantics but is affected by the application compatibility layer. 1603 func RtlGetVersion() *OsVersionInfoEx { 1604 info := &OsVersionInfoEx{} 1605 info.osVersionInfoSize = uint32(unsafe.Sizeof(*info)) 1606 // According to documentation, this function always succeeds. 1607 // The function doesn't even check the validity of the 1608 // osVersionInfoSize member. Disassembling ntdll.dll indicates 1609 // that the documentation is indeed correct about that. 1610 _ = rtlGetVersion(info) 1611 return info 1612 } 1613 1614 // RtlGetNtVersionNumbers returns the version of the underlying operating system, 1615 // ignoring manifest semantics and the application compatibility layer. 1616 func RtlGetNtVersionNumbers() (majorVersion, minorVersion, buildNumber uint32) { 1617 rtlGetNtVersionNumbers(&majorVersion, &minorVersion, &buildNumber) 1618 buildNumber &= 0xffff 1619 return 1620 } 1621 1622 // GetProcessPreferredUILanguages retrieves the process preferred UI languages. 1623 func GetProcessPreferredUILanguages(flags uint32) ([]string, error) { 1624 return getUILanguages(flags, getProcessPreferredUILanguages) 1625 } 1626 1627 // GetThreadPreferredUILanguages retrieves the thread preferred UI languages for the current thread. 1628 func GetThreadPreferredUILanguages(flags uint32) ([]string, error) { 1629 return getUILanguages(flags, getThreadPreferredUILanguages) 1630 } 1631 1632 // GetUserPreferredUILanguages retrieves information about the user preferred UI languages. 1633 func GetUserPreferredUILanguages(flags uint32) ([]string, error) { 1634 return getUILanguages(flags, getUserPreferredUILanguages) 1635 } 1636 1637 // GetSystemPreferredUILanguages retrieves the system preferred UI languages. 1638 func GetSystemPreferredUILanguages(flags uint32) ([]string, error) { 1639 return getUILanguages(flags, getSystemPreferredUILanguages) 1640 } 1641 1642 func getUILanguages(flags uint32, f func(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) error) ([]string, error) { 1643 size := uint32(128) 1644 for { 1645 var numLanguages uint32 1646 buf := make([]uint16, size) 1647 err := f(flags, &numLanguages, &buf[0], &size) 1648 if err == ERROR_INSUFFICIENT_BUFFER { 1649 continue 1650 } 1651 if err != nil { 1652 return nil, err 1653 } 1654 buf = buf[:size] 1655 if numLanguages == 0 || len(buf) == 0 { // GetProcessPreferredUILanguages may return numLanguages==0 with "\0\0" 1656 return []string{}, nil 1657 } 1658 if buf[len(buf)-1] == 0 { 1659 buf = buf[:len(buf)-1] // remove terminating null 1660 } 1661 languages := make([]string, 0, numLanguages) 1662 from := 0 1663 for i, c := range buf { 1664 if c == 0 { 1665 languages = append(languages, string(utf16.Decode(buf[from:i]))) 1666 from = i + 1 1667 } 1668 } 1669 return languages, nil 1670 } 1671 } 1672 1673 func SetConsoleCursorPosition(console Handle, position Coord) error { 1674 return setConsoleCursorPosition(console, *((*uint32)(unsafe.Pointer(&position)))) 1675 } 1676 1677 func GetStartupInfo(startupInfo *StartupInfo) error { 1678 getStartupInfo(startupInfo) 1679 return nil 1680 } 1681 1682 func (s NTStatus) Errno() syscall.Errno { 1683 return rtlNtStatusToDosErrorNoTeb(s) 1684 } 1685 1686 func langID(pri, sub uint16) uint32 { return uint32(sub)<<10 | uint32(pri) } 1687 1688 func (s NTStatus) Error() string { 1689 b := make([]uint16, 300) 1690 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) 1691 if err != nil { 1692 return fmt.Sprintf("NTSTATUS 0x%08x", uint32(s)) 1693 } 1694 // trim terminating \r and \n 1695 for ; n > 0 && (b[n-1] == '\n' || b[n-1] == '\r'); n-- { 1696 } 1697 return string(utf16.Decode(b[:n])) 1698 } 1699 1700 // NewNTUnicodeString returns a new NTUnicodeString structure for use with native 1701 // NT APIs that work over the NTUnicodeString type. Note that most Windows APIs 1702 // do not use NTUnicodeString, and instead UTF16PtrFromString should be used for 1703 // the more common *uint16 string type. 1704 func NewNTUnicodeString(s string) (*NTUnicodeString, error) { 1705 s16, err := UTF16FromString(s) 1706 if err != nil { 1707 return nil, err 1708 } 1709 n := uint16(len(s16) * 2) 1710 return &NTUnicodeString{ 1711 Length: n - 2, // subtract 2 bytes for the NULL terminator 1712 MaximumLength: n, 1713 Buffer: &s16[0], 1714 }, nil 1715 } 1716 1717 // Slice returns a uint16 slice that aliases the data in the NTUnicodeString. 1718 func (s *NTUnicodeString) Slice() []uint16 { 1719 // Note: this rounds the length down, if it happens 1720 // to (incorrectly) be odd. Probably safer than rounding up. 1721 return unsafe.Slice(s.Buffer, s.MaximumLength/2)[:s.Length/2] 1722 } 1723 1724 func (s *NTUnicodeString) String() string { 1725 return UTF16ToString(s.Slice()) 1726 } 1727 1728 // NewNTString returns a new NTString structure for use with native 1729 // NT APIs that work over the NTString type. Note that most Windows APIs 1730 // do not use NTString, and instead UTF16PtrFromString should be used for 1731 // the more common *uint16 string type. 1732 func NewNTString(s string) (*NTString, error) { 1733 var nts NTString 1734 s8, err := BytePtrFromString(s) 1735 if err != nil { 1736 return nil, err 1737 } 1738 RtlInitString(&nts, s8) 1739 return &nts, nil 1740 } 1741 1742 // Slice returns a byte slice that aliases the data in the NTString. 1743 func (s *NTString) Slice() []byte { 1744 slice := unsafe.Slice(s.Buffer, s.MaximumLength) 1745 return slice[:s.Length] 1746 } 1747 1748 func (s *NTString) String() string { 1749 return ByteSliceToString(s.Slice()) 1750 } 1751 1752 // FindResource resolves a resource of the given name and resource type. 1753 func FindResource(module Handle, name, resType ResourceIDOrString) (Handle, error) { 1754 var namePtr, resTypePtr uintptr 1755 var name16, resType16 *uint16 1756 var err error 1757 resolvePtr := func(i interface{}, keep **uint16) (uintptr, error) { 1758 switch v := i.(type) { 1759 case string: 1760 *keep, err = UTF16PtrFromString(v) 1761 if err != nil { 1762 return 0, err 1763 } 1764 return uintptr(unsafe.Pointer(*keep)), nil 1765 case ResourceID: 1766 return uintptr(v), nil 1767 } 1768 return 0, errorspkg.New("parameter must be a ResourceID or a string") 1769 } 1770 namePtr, err = resolvePtr(name, &name16) 1771 if err != nil { 1772 return 0, err 1773 } 1774 resTypePtr, err = resolvePtr(resType, &resType16) 1775 if err != nil { 1776 return 0, err 1777 } 1778 resInfo, err := findResource(module, namePtr, resTypePtr) 1779 runtime.KeepAlive(name16) 1780 runtime.KeepAlive(resType16) 1781 return resInfo, err 1782 } 1783 1784 func LoadResourceData(module, resInfo Handle) (data []byte, err error) { 1785 size, err := SizeofResource(module, resInfo) 1786 if err != nil { 1787 return 1788 } 1789 resData, err := LoadResource(module, resInfo) 1790 if err != nil { 1791 return 1792 } 1793 ptr, err := LockResource(resData) 1794 if err != nil { 1795 return 1796 } 1797 data = unsafe.Slice((*byte)(unsafe.Pointer(ptr)), size) 1798 return 1799 } 1800 1801 // PSAPI_WORKING_SET_EX_BLOCK contains extended working set information for a page. 1802 type PSAPI_WORKING_SET_EX_BLOCK uint64 1803 1804 // Valid returns the validity of this page. 1805 // If this bit is 1, the subsequent members are valid; otherwise they should be ignored. 1806 func (b PSAPI_WORKING_SET_EX_BLOCK) Valid() bool { 1807 return (b & 1) == 1 1808 } 1809 1810 // ShareCount is the number of processes that share this page. The maximum value of this member is 7. 1811 func (b PSAPI_WORKING_SET_EX_BLOCK) ShareCount() uint64 { 1812 return b.intField(1, 3) 1813 } 1814 1815 // Win32Protection is the memory protection attributes of the page. For a list of values, see 1816 // https://docs.microsoft.com/en-us/windows/win32/memory/memory-protection-constants 1817 func (b PSAPI_WORKING_SET_EX_BLOCK) Win32Protection() uint64 { 1818 return b.intField(4, 11) 1819 } 1820 1821 // Shared returns the shared status of this page. 1822 // If this bit is 1, the page can be shared. 1823 func (b PSAPI_WORKING_SET_EX_BLOCK) Shared() bool { 1824 return (b & (1 << 15)) == 1 1825 } 1826 1827 // Node is the NUMA node. The maximum value of this member is 63. 1828 func (b PSAPI_WORKING_SET_EX_BLOCK) Node() uint64 { 1829 return b.intField(16, 6) 1830 } 1831 1832 // Locked returns the locked status of this page. 1833 // If this bit is 1, the virtual page is locked in physical memory. 1834 func (b PSAPI_WORKING_SET_EX_BLOCK) Locked() bool { 1835 return (b & (1 << 22)) == 1 1836 } 1837 1838 // LargePage returns the large page status of this page. 1839 // If this bit is 1, the page is a large page. 1840 func (b PSAPI_WORKING_SET_EX_BLOCK) LargePage() bool { 1841 return (b & (1 << 23)) == 1 1842 } 1843 1844 // Bad returns the bad status of this page. 1845 // If this bit is 1, the page is has been reported as bad. 1846 func (b PSAPI_WORKING_SET_EX_BLOCK) Bad() bool { 1847 return (b & (1 << 31)) == 1 1848 } 1849 1850 // intField extracts an integer field in the PSAPI_WORKING_SET_EX_BLOCK union. 1851 func (b PSAPI_WORKING_SET_EX_BLOCK) intField(start, length int) uint64 { 1852 var mask PSAPI_WORKING_SET_EX_BLOCK 1853 for pos := start; pos < start+length; pos++ { 1854 mask |= (1 << pos) 1855 } 1856 1857 masked := b & mask 1858 return uint64(masked >> start) 1859 } 1860 1861 // PSAPI_WORKING_SET_EX_INFORMATION contains extended working set information for a process. 1862 type PSAPI_WORKING_SET_EX_INFORMATION struct { 1863 // The virtual address. 1864 VirtualAddress Pointer 1865 // A PSAPI_WORKING_SET_EX_BLOCK union that indicates the attributes of the page at VirtualAddress. 1866 VirtualAttributes PSAPI_WORKING_SET_EX_BLOCK 1867 } 1868 1869 // CreatePseudoConsole creates a windows pseudo console. 1870 func CreatePseudoConsole(size Coord, in Handle, out Handle, flags uint32, pconsole *Handle) error { 1871 // We need this wrapper to manually cast Coord to uint32. The autogenerated wrappers only 1872 // accept arguments that can be casted to uintptr, and Coord can't. 1873 return createPseudoConsole(*((*uint32)(unsafe.Pointer(&size))), in, out, flags, pconsole) 1874 } 1875 1876 // ResizePseudoConsole resizes the internal buffers of the pseudo console to the width and height specified in `size`. 1877 func ResizePseudoConsole(pconsole Handle, size Coord) error { 1878 // We need this wrapper to manually cast Coord to uint32. The autogenerated wrappers only 1879 // accept arguments that can be casted to uintptr, and Coord can't. 1880 return resizePseudoConsole(pconsole, *((*uint32)(unsafe.Pointer(&size)))) 1881 } 1882 1883 // DCB constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/ns-winbase-dcb. 1884 const ( 1885 CBR_110 = 110 1886 CBR_300 = 300 1887 CBR_600 = 600 1888 CBR_1200 = 1200 1889 CBR_2400 = 2400 1890 CBR_4800 = 4800 1891 CBR_9600 = 9600 1892 CBR_14400 = 14400 1893 CBR_19200 = 19200 1894 CBR_38400 = 38400 1895 CBR_57600 = 57600 1896 CBR_115200 = 115200 1897 CBR_128000 = 128000 1898 CBR_256000 = 256000 1899 1900 DTR_CONTROL_DISABLE = 0x00000000 1901 DTR_CONTROL_ENABLE = 0x00000010 1902 DTR_CONTROL_HANDSHAKE = 0x00000020 1903 1904 RTS_CONTROL_DISABLE = 0x00000000 1905 RTS_CONTROL_ENABLE = 0x00001000 1906 RTS_CONTROL_HANDSHAKE = 0x00002000 1907 RTS_CONTROL_TOGGLE = 0x00003000 1908 1909 NOPARITY = 0 1910 ODDPARITY = 1 1911 EVENPARITY = 2 1912 MARKPARITY = 3 1913 SPACEPARITY = 4 1914 1915 ONESTOPBIT = 0 1916 ONE5STOPBITS = 1 1917 TWOSTOPBITS = 2 1918 ) 1919 1920 // EscapeCommFunction constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-escapecommfunction. 1921 const ( 1922 SETXOFF = 1 1923 SETXON = 2 1924 SETRTS = 3 1925 CLRRTS = 4 1926 SETDTR = 5 1927 CLRDTR = 6 1928 SETBREAK = 8 1929 CLRBREAK = 9 1930 ) 1931 1932 // PurgeComm constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-purgecomm. 1933 const ( 1934 PURGE_TXABORT = 0x0001 1935 PURGE_RXABORT = 0x0002 1936 PURGE_TXCLEAR = 0x0004 1937 PURGE_RXCLEAR = 0x0008 1938 ) 1939 1940 // SetCommMask constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-setcommmask. 1941 const ( 1942 EV_RXCHAR = 0x0001 1943 EV_RXFLAG = 0x0002 1944 EV_TXEMPTY = 0x0004 1945 EV_CTS = 0x0008 1946 EV_DSR = 0x0010 1947 EV_RLSD = 0x0020 1948 EV_BREAK = 0x0040 1949 EV_ERR = 0x0080 1950 EV_RING = 0x0100 1951 ) 1952