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 resizePseudoConsole(pconsole Handle, size uint32) (hr error) = kernel32.ResizePseudoConsole 325 //sys CreateToolhelp32Snapshot(flags uint32, processId uint32) (handle Handle, err error) [failretval==InvalidHandle] = kernel32.CreateToolhelp32Snapshot 326 //sys Module32First(snapshot Handle, moduleEntry *ModuleEntry32) (err error) = kernel32.Module32FirstW 327 //sys Module32Next(snapshot Handle, moduleEntry *ModuleEntry32) (err error) = kernel32.Module32NextW 328 //sys Process32First(snapshot Handle, procEntry *ProcessEntry32) (err error) = kernel32.Process32FirstW 329 //sys Process32Next(snapshot Handle, procEntry *ProcessEntry32) (err error) = kernel32.Process32NextW 330 //sys Thread32First(snapshot Handle, threadEntry *ThreadEntry32) (err error) 331 //sys Thread32Next(snapshot Handle, threadEntry *ThreadEntry32) (err error) 332 //sys DeviceIoControl(handle Handle, ioControlCode uint32, inBuffer *byte, inBufferSize uint32, outBuffer *byte, outBufferSize uint32, bytesReturned *uint32, overlapped *Overlapped) (err error) 333 // This function returns 1 byte BOOLEAN rather than the 4 byte BOOL. 334 //sys CreateSymbolicLink(symlinkfilename *uint16, targetfilename *uint16, flags uint32) (err error) [failretval&0xff==0] = CreateSymbolicLinkW 335 //sys CreateHardLink(filename *uint16, existingfilename *uint16, reserved uintptr) (err error) [failretval&0xff==0] = CreateHardLinkW 336 //sys GetCurrentThreadId() (id uint32) 337 //sys CreateEvent(eventAttrs *SecurityAttributes, manualReset uint32, initialState uint32, name *uint16) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateEventW 338 //sys CreateEventEx(eventAttrs *SecurityAttributes, name *uint16, flags uint32, desiredAccess uint32) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateEventExW 339 //sys OpenEvent(desiredAccess uint32, inheritHandle bool, name *uint16) (handle Handle, err error) = kernel32.OpenEventW 340 //sys SetEvent(event Handle) (err error) = kernel32.SetEvent 341 //sys ResetEvent(event Handle) (err error) = kernel32.ResetEvent 342 //sys PulseEvent(event Handle) (err error) = kernel32.PulseEvent 343 //sys CreateMutex(mutexAttrs *SecurityAttributes, initialOwner bool, name *uint16) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateMutexW 344 //sys CreateMutexEx(mutexAttrs *SecurityAttributes, name *uint16, flags uint32, desiredAccess uint32) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateMutexExW 345 //sys OpenMutex(desiredAccess uint32, inheritHandle bool, name *uint16) (handle Handle, err error) = kernel32.OpenMutexW 346 //sys ReleaseMutex(mutex Handle) (err error) = kernel32.ReleaseMutex 347 //sys SleepEx(milliseconds uint32, alertable bool) (ret uint32) = kernel32.SleepEx 348 //sys CreateJobObject(jobAttr *SecurityAttributes, name *uint16) (handle Handle, err error) = kernel32.CreateJobObjectW 349 //sys AssignProcessToJobObject(job Handle, process Handle) (err error) = kernel32.AssignProcessToJobObject 350 //sys TerminateJobObject(job Handle, exitCode uint32) (err error) = kernel32.TerminateJobObject 351 //sys SetErrorMode(mode uint32) (ret uint32) = kernel32.SetErrorMode 352 //sys ResumeThread(thread Handle) (ret uint32, err error) [failretval==0xffffffff] = kernel32.ResumeThread 353 //sys SetPriorityClass(process Handle, priorityClass uint32) (err error) = kernel32.SetPriorityClass 354 //sys GetPriorityClass(process Handle) (ret uint32, err error) = kernel32.GetPriorityClass 355 //sys QueryInformationJobObject(job Handle, JobObjectInformationClass int32, JobObjectInformation uintptr, JobObjectInformationLength uint32, retlen *uint32) (err error) = kernel32.QueryInformationJobObject 356 //sys SetInformationJobObject(job Handle, JobObjectInformationClass uint32, JobObjectInformation uintptr, JobObjectInformationLength uint32) (ret int, err error) 357 //sys GenerateConsoleCtrlEvent(ctrlEvent uint32, processGroupID uint32) (err error) 358 //sys GetProcessId(process Handle) (id uint32, err error) 359 //sys QueryFullProcessImageName(proc Handle, flags uint32, exeName *uint16, size *uint32) (err error) = kernel32.QueryFullProcessImageNameW 360 //sys OpenThread(desiredAccess uint32, inheritHandle bool, threadId uint32) (handle Handle, err error) 361 //sys SetProcessPriorityBoost(process Handle, disable bool) (err error) = kernel32.SetProcessPriorityBoost 362 //sys GetProcessWorkingSetSizeEx(hProcess Handle, lpMinimumWorkingSetSize *uintptr, lpMaximumWorkingSetSize *uintptr, flags *uint32) 363 //sys SetProcessWorkingSetSizeEx(hProcess Handle, dwMinimumWorkingSetSize uintptr, dwMaximumWorkingSetSize uintptr, flags uint32) (err error) 364 //sys ClearCommBreak(handle Handle) (err error) 365 //sys ClearCommError(handle Handle, lpErrors *uint32, lpStat *ComStat) (err error) 366 //sys EscapeCommFunction(handle Handle, dwFunc uint32) (err error) 367 //sys GetCommState(handle Handle, lpDCB *DCB) (err error) 368 //sys GetCommModemStatus(handle Handle, lpModemStat *uint32) (err error) 369 //sys GetCommTimeouts(handle Handle, timeouts *CommTimeouts) (err error) 370 //sys PurgeComm(handle Handle, dwFlags uint32) (err error) 371 //sys SetCommBreak(handle Handle) (err error) 372 //sys SetCommMask(handle Handle, dwEvtMask uint32) (err error) 373 //sys SetCommState(handle Handle, lpDCB *DCB) (err error) 374 //sys SetCommTimeouts(handle Handle, timeouts *CommTimeouts) (err error) 375 //sys SetupComm(handle Handle, dwInQueue uint32, dwOutQueue uint32) (err error) 376 //sys WaitCommEvent(handle Handle, lpEvtMask *uint32, lpOverlapped *Overlapped) (err error) 377 //sys GetActiveProcessorCount(groupNumber uint16) (ret uint32) 378 //sys GetMaximumProcessorCount(groupNumber uint16) (ret uint32) 379 //sys EnumWindows(enumFunc uintptr, param unsafe.Pointer) (err error) = user32.EnumWindows 380 //sys EnumChildWindows(hwnd HWND, enumFunc uintptr, param unsafe.Pointer) = user32.EnumChildWindows 381 //sys GetClassName(hwnd HWND, className *uint16, maxCount int32) (copied int32, err error) = user32.GetClassNameW 382 //sys GetDesktopWindow() (hwnd HWND) = user32.GetDesktopWindow 383 //sys GetForegroundWindow() (hwnd HWND) = user32.GetForegroundWindow 384 //sys IsWindow(hwnd HWND) (isWindow bool) = user32.IsWindow 385 //sys IsWindowUnicode(hwnd HWND) (isUnicode bool) = user32.IsWindowUnicode 386 //sys IsWindowVisible(hwnd HWND) (isVisible bool) = user32.IsWindowVisible 387 //sys GetGUIThreadInfo(thread uint32, info *GUIThreadInfo) (err error) = user32.GetGUIThreadInfo 388 //sys GetLargePageMinimum() (size uintptr) 389 390 // Volume Management Functions 391 //sys DefineDosDevice(flags uint32, deviceName *uint16, targetPath *uint16) (err error) = DefineDosDeviceW 392 //sys DeleteVolumeMountPoint(volumeMountPoint *uint16) (err error) = DeleteVolumeMountPointW 393 //sys FindFirstVolume(volumeName *uint16, bufferLength uint32) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstVolumeW 394 //sys FindFirstVolumeMountPoint(rootPathName *uint16, volumeMountPoint *uint16, bufferLength uint32) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstVolumeMountPointW 395 //sys FindNextVolume(findVolume Handle, volumeName *uint16, bufferLength uint32) (err error) = FindNextVolumeW 396 //sys FindNextVolumeMountPoint(findVolumeMountPoint Handle, volumeMountPoint *uint16, bufferLength uint32) (err error) = FindNextVolumeMountPointW 397 //sys FindVolumeClose(findVolume Handle) (err error) 398 //sys FindVolumeMountPointClose(findVolumeMountPoint Handle) (err error) 399 //sys GetDiskFreeSpaceEx(directoryName *uint16, freeBytesAvailableToCaller *uint64, totalNumberOfBytes *uint64, totalNumberOfFreeBytes *uint64) (err error) = GetDiskFreeSpaceExW 400 //sys GetDriveType(rootPathName *uint16) (driveType uint32) = GetDriveTypeW 401 //sys GetLogicalDrives() (drivesBitMask uint32, err error) [failretval==0] 402 //sys GetLogicalDriveStrings(bufferLength uint32, buffer *uint16) (n uint32, err error) [failretval==0] = GetLogicalDriveStringsW 403 //sys GetVolumeInformation(rootPathName *uint16, volumeNameBuffer *uint16, volumeNameSize uint32, volumeNameSerialNumber *uint32, maximumComponentLength *uint32, fileSystemFlags *uint32, fileSystemNameBuffer *uint16, fileSystemNameSize uint32) (err error) = GetVolumeInformationW 404 //sys GetVolumeInformationByHandle(file Handle, volumeNameBuffer *uint16, volumeNameSize uint32, volumeNameSerialNumber *uint32, maximumComponentLength *uint32, fileSystemFlags *uint32, fileSystemNameBuffer *uint16, fileSystemNameSize uint32) (err error) = GetVolumeInformationByHandleW 405 //sys GetVolumeNameForVolumeMountPoint(volumeMountPoint *uint16, volumeName *uint16, bufferlength uint32) (err error) = GetVolumeNameForVolumeMountPointW 406 //sys GetVolumePathName(fileName *uint16, volumePathName *uint16, bufferLength uint32) (err error) = GetVolumePathNameW 407 //sys GetVolumePathNamesForVolumeName(volumeName *uint16, volumePathNames *uint16, bufferLength uint32, returnLength *uint32) (err error) = GetVolumePathNamesForVolumeNameW 408 //sys QueryDosDevice(deviceName *uint16, targetPath *uint16, max uint32) (n uint32, err error) [failretval==0] = QueryDosDeviceW 409 //sys SetVolumeLabel(rootPathName *uint16, volumeName *uint16) (err error) = SetVolumeLabelW 410 //sys SetVolumeMountPoint(volumeMountPoint *uint16, volumeName *uint16) (err error) = SetVolumeMountPointW 411 //sys InitiateSystemShutdownEx(machineName *uint16, message *uint16, timeout uint32, forceAppsClosed bool, rebootAfterShutdown bool, reason uint32) (err error) = advapi32.InitiateSystemShutdownExW 412 //sys SetProcessShutdownParameters(level uint32, flags uint32) (err error) = kernel32.SetProcessShutdownParameters 413 //sys GetProcessShutdownParameters(level *uint32, flags *uint32) (err error) = kernel32.GetProcessShutdownParameters 414 //sys clsidFromString(lpsz *uint16, pclsid *GUID) (ret error) = ole32.CLSIDFromString 415 //sys stringFromGUID2(rguid *GUID, lpsz *uint16, cchMax int32) (chars int32) = ole32.StringFromGUID2 416 //sys coCreateGuid(pguid *GUID) (ret error) = ole32.CoCreateGuid 417 //sys CoTaskMemFree(address unsafe.Pointer) = ole32.CoTaskMemFree 418 //sys CoInitializeEx(reserved uintptr, coInit uint32) (ret error) = ole32.CoInitializeEx 419 //sys CoUninitialize() = ole32.CoUninitialize 420 //sys CoGetObject(name *uint16, bindOpts *BIND_OPTS3, guid *GUID, functionTable **uintptr) (ret error) = ole32.CoGetObject 421 //sys getProcessPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetProcessPreferredUILanguages 422 //sys getThreadPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetThreadPreferredUILanguages 423 //sys getUserPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetUserPreferredUILanguages 424 //sys getSystemPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetSystemPreferredUILanguages 425 //sys findResource(module Handle, name uintptr, resType uintptr) (resInfo Handle, err error) = kernel32.FindResourceW 426 //sys SizeofResource(module Handle, resInfo Handle) (size uint32, err error) = kernel32.SizeofResource 427 //sys LoadResource(module Handle, resInfo Handle) (resData Handle, err error) = kernel32.LoadResource 428 //sys LockResource(resData Handle) (addr uintptr, err error) = kernel32.LockResource 429 430 // Version APIs 431 //sys GetFileVersionInfoSize(filename string, zeroHandle *Handle) (bufSize uint32, err error) = version.GetFileVersionInfoSizeW 432 //sys GetFileVersionInfo(filename string, handle uint32, bufSize uint32, buffer unsafe.Pointer) (err error) = version.GetFileVersionInfoW 433 //sys VerQueryValue(block unsafe.Pointer, subBlock string, pointerToBufferPointer unsafe.Pointer, bufSize *uint32) (err error) = version.VerQueryValueW 434 435 // Process Status API (PSAPI) 436 //sys enumProcesses(processIds *uint32, nSize uint32, bytesReturned *uint32) (err error) = psapi.EnumProcesses 437 //sys EnumProcessModules(process Handle, module *Handle, cb uint32, cbNeeded *uint32) (err error) = psapi.EnumProcessModules 438 //sys EnumProcessModulesEx(process Handle, module *Handle, cb uint32, cbNeeded *uint32, filterFlag uint32) (err error) = psapi.EnumProcessModulesEx 439 //sys GetModuleInformation(process Handle, module Handle, modinfo *ModuleInfo, cb uint32) (err error) = psapi.GetModuleInformation 440 //sys GetModuleFileNameEx(process Handle, module Handle, filename *uint16, size uint32) (err error) = psapi.GetModuleFileNameExW 441 //sys GetModuleBaseName(process Handle, module Handle, baseName *uint16, size uint32) (err error) = psapi.GetModuleBaseNameW 442 //sys QueryWorkingSetEx(process Handle, pv uintptr, cb uint32) (err error) = psapi.QueryWorkingSetEx 443 444 // NT Native APIs 445 //sys rtlNtStatusToDosErrorNoTeb(ntstatus NTStatus) (ret syscall.Errno) = ntdll.RtlNtStatusToDosErrorNoTeb 446 //sys rtlGetVersion(info *OsVersionInfoEx) (ntstatus error) = ntdll.RtlGetVersion 447 //sys rtlGetNtVersionNumbers(majorVersion *uint32, minorVersion *uint32, buildNumber *uint32) = ntdll.RtlGetNtVersionNumbers 448 //sys RtlGetCurrentPeb() (peb *PEB) = ntdll.RtlGetCurrentPeb 449 //sys RtlInitUnicodeString(destinationString *NTUnicodeString, sourceString *uint16) = ntdll.RtlInitUnicodeString 450 //sys RtlInitString(destinationString *NTString, sourceString *byte) = ntdll.RtlInitString 451 //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 452 //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 453 //sys NtSetInformationFile(handle Handle, iosb *IO_STATUS_BLOCK, inBuffer *byte, inBufferLen uint32, class uint32) (ntstatus error) = ntdll.NtSetInformationFile 454 //sys RtlDosPathNameToNtPathName(dosName *uint16, ntName *NTUnicodeString, ntFileNamePart *uint16, relativeName *RTL_RELATIVE_NAME) (ntstatus error) = ntdll.RtlDosPathNameToNtPathName_U_WithStatus 455 //sys RtlDosPathNameToRelativeNtPathName(dosName *uint16, ntName *NTUnicodeString, ntFileNamePart *uint16, relativeName *RTL_RELATIVE_NAME) (ntstatus error) = ntdll.RtlDosPathNameToRelativeNtPathName_U_WithStatus 456 //sys RtlDefaultNpAcl(acl **ACL) (ntstatus error) = ntdll.RtlDefaultNpAcl 457 //sys NtQueryInformationProcess(proc Handle, procInfoClass int32, procInfo unsafe.Pointer, procInfoLen uint32, retLen *uint32) (ntstatus error) = ntdll.NtQueryInformationProcess 458 //sys NtSetInformationProcess(proc Handle, procInfoClass int32, procInfo unsafe.Pointer, procInfoLen uint32) (ntstatus error) = ntdll.NtSetInformationProcess 459 //sys NtQuerySystemInformation(sysInfoClass int32, sysInfo unsafe.Pointer, sysInfoLen uint32, retLen *uint32) (ntstatus error) = ntdll.NtQuerySystemInformation 460 //sys NtSetSystemInformation(sysInfoClass int32, sysInfo unsafe.Pointer, sysInfoLen uint32) (ntstatus error) = ntdll.NtSetSystemInformation 461 //sys RtlAddFunctionTable(functionTable *RUNTIME_FUNCTION, entryCount uint32, baseAddress uintptr) (ret bool) = ntdll.RtlAddFunctionTable 462 //sys RtlDeleteFunctionTable(functionTable *RUNTIME_FUNCTION) (ret bool) = ntdll.RtlDeleteFunctionTable 463 464 // Desktop Window Manager API (Dwmapi) 465 //sys DwmGetWindowAttribute(hwnd HWND, attribute uint32, value unsafe.Pointer, size uint32) (ret error) = dwmapi.DwmGetWindowAttribute 466 //sys DwmSetWindowAttribute(hwnd HWND, attribute uint32, value unsafe.Pointer, size uint32) (ret error) = dwmapi.DwmSetWindowAttribute 467 468 // Windows Multimedia API 469 //sys TimeBeginPeriod (period uint32) (err error) [failretval != 0] = winmm.timeBeginPeriod 470 //sys TimeEndPeriod (period uint32) (err error) [failretval != 0] = winmm.timeEndPeriod 471 472 // syscall interface implementation for other packages 473 474 // GetCurrentProcess returns the handle for the current process. 475 // It is a pseudo handle that does not need to be closed. 476 // The returned error is always nil. 477 // 478 // Deprecated: use CurrentProcess for the same Handle without the nil 479 // error. 480 func GetCurrentProcess() (Handle, error) { 481 return CurrentProcess(), nil 482 } 483 484 // CurrentProcess returns the handle for the current process. 485 // It is a pseudo handle that does not need to be closed. 486 func CurrentProcess() Handle { return Handle(^uintptr(1 - 1)) } 487 488 // GetCurrentThread returns the handle for the current thread. 489 // It is a pseudo handle that does not need to be closed. 490 // The returned error is always nil. 491 // 492 // Deprecated: use CurrentThread for the same Handle without the nil 493 // error. 494 func GetCurrentThread() (Handle, error) { 495 return CurrentThread(), nil 496 } 497 498 // CurrentThread returns the handle for the current thread. 499 // It is a pseudo handle that does not need to be closed. 500 func CurrentThread() Handle { return Handle(^uintptr(2 - 1)) } 501 502 // GetProcAddressByOrdinal retrieves the address of the exported 503 // function from module by ordinal. 504 func GetProcAddressByOrdinal(module Handle, ordinal uintptr) (proc uintptr, err error) { 505 r0, _, e1 := syscall.Syscall(procGetProcAddress.Addr(), 2, uintptr(module), ordinal, 0) 506 proc = uintptr(r0) 507 if proc == 0 { 508 err = errnoErr(e1) 509 } 510 return 511 } 512 513 func Exit(code int) { ExitProcess(uint32(code)) } 514 515 func makeInheritSa() *SecurityAttributes { 516 var sa SecurityAttributes 517 sa.Length = uint32(unsafe.Sizeof(sa)) 518 sa.InheritHandle = 1 519 return &sa 520 } 521 522 func Open(path string, mode int, perm uint32) (fd Handle, err error) { 523 if len(path) == 0 { 524 return InvalidHandle, ERROR_FILE_NOT_FOUND 525 } 526 pathp, err := UTF16PtrFromString(path) 527 if err != nil { 528 return InvalidHandle, err 529 } 530 var access uint32 531 switch mode & (O_RDONLY | O_WRONLY | O_RDWR) { 532 case O_RDONLY: 533 access = GENERIC_READ 534 case O_WRONLY: 535 access = GENERIC_WRITE 536 case O_RDWR: 537 access = GENERIC_READ | GENERIC_WRITE 538 } 539 if mode&O_CREAT != 0 { 540 access |= GENERIC_WRITE 541 } 542 if mode&O_APPEND != 0 { 543 access &^= GENERIC_WRITE 544 access |= FILE_APPEND_DATA 545 } 546 sharemode := uint32(FILE_SHARE_READ | FILE_SHARE_WRITE) 547 var sa *SecurityAttributes 548 if mode&O_CLOEXEC == 0 { 549 sa = makeInheritSa() 550 } 551 var createmode uint32 552 switch { 553 case mode&(O_CREAT|O_EXCL) == (O_CREAT | O_EXCL): 554 createmode = CREATE_NEW 555 case mode&(O_CREAT|O_TRUNC) == (O_CREAT | O_TRUNC): 556 createmode = CREATE_ALWAYS 557 case mode&O_CREAT == O_CREAT: 558 createmode = OPEN_ALWAYS 559 case mode&O_TRUNC == O_TRUNC: 560 createmode = TRUNCATE_EXISTING 561 default: 562 createmode = OPEN_EXISTING 563 } 564 var attrs uint32 = FILE_ATTRIBUTE_NORMAL 565 if perm&S_IWRITE == 0 { 566 attrs = FILE_ATTRIBUTE_READONLY 567 } 568 h, e := CreateFile(pathp, access, sharemode, sa, createmode, attrs, 0) 569 return h, e 570 } 571 572 func Read(fd Handle, p []byte) (n int, err error) { 573 var done uint32 574 e := ReadFile(fd, p, &done, nil) 575 if e != nil { 576 if e == ERROR_BROKEN_PIPE { 577 // NOTE(brainman): work around ERROR_BROKEN_PIPE is returned on reading EOF from stdin 578 return 0, nil 579 } 580 return 0, e 581 } 582 return int(done), nil 583 } 584 585 func Write(fd Handle, p []byte) (n int, err error) { 586 if raceenabled { 587 raceReleaseMerge(unsafe.Pointer(&ioSync)) 588 } 589 var done uint32 590 e := WriteFile(fd, p, &done, nil) 591 if e != nil { 592 return 0, e 593 } 594 return int(done), nil 595 } 596 597 func ReadFile(fd Handle, p []byte, done *uint32, overlapped *Overlapped) error { 598 err := readFile(fd, p, done, overlapped) 599 if raceenabled { 600 if *done > 0 { 601 raceWriteRange(unsafe.Pointer(&p[0]), int(*done)) 602 } 603 raceAcquire(unsafe.Pointer(&ioSync)) 604 } 605 return err 606 } 607 608 func WriteFile(fd Handle, p []byte, done *uint32, overlapped *Overlapped) error { 609 if raceenabled { 610 raceReleaseMerge(unsafe.Pointer(&ioSync)) 611 } 612 err := writeFile(fd, p, done, overlapped) 613 if raceenabled && *done > 0 { 614 raceReadRange(unsafe.Pointer(&p[0]), int(*done)) 615 } 616 return err 617 } 618 619 var ioSync int64 620 621 func Seek(fd Handle, offset int64, whence int) (newoffset int64, err error) { 622 var w uint32 623 switch whence { 624 case 0: 625 w = FILE_BEGIN 626 case 1: 627 w = FILE_CURRENT 628 case 2: 629 w = FILE_END 630 } 631 hi := int32(offset >> 32) 632 lo := int32(offset) 633 // use GetFileType to check pipe, pipe can't do seek 634 ft, _ := GetFileType(fd) 635 if ft == FILE_TYPE_PIPE { 636 return 0, syscall.EPIPE 637 } 638 rlo, e := SetFilePointer(fd, lo, &hi, w) 639 if e != nil { 640 return 0, e 641 } 642 return int64(hi)<<32 + int64(rlo), nil 643 } 644 645 func Close(fd Handle) (err error) { 646 return CloseHandle(fd) 647 } 648 649 var ( 650 Stdin = getStdHandle(STD_INPUT_HANDLE) 651 Stdout = getStdHandle(STD_OUTPUT_HANDLE) 652 Stderr = getStdHandle(STD_ERROR_HANDLE) 653 ) 654 655 func getStdHandle(stdhandle uint32) (fd Handle) { 656 r, _ := GetStdHandle(stdhandle) 657 return r 658 } 659 660 const ImplementsGetwd = true 661 662 func Getwd() (wd string, err error) { 663 b := make([]uint16, 300) 664 n, e := GetCurrentDirectory(uint32(len(b)), &b[0]) 665 if e != nil { 666 return "", e 667 } 668 return string(utf16.Decode(b[0:n])), nil 669 } 670 671 func Chdir(path string) (err error) { 672 pathp, err := UTF16PtrFromString(path) 673 if err != nil { 674 return err 675 } 676 return SetCurrentDirectory(pathp) 677 } 678 679 func Mkdir(path string, mode uint32) (err error) { 680 pathp, err := UTF16PtrFromString(path) 681 if err != nil { 682 return err 683 } 684 return CreateDirectory(pathp, nil) 685 } 686 687 func Rmdir(path string) (err error) { 688 pathp, err := UTF16PtrFromString(path) 689 if err != nil { 690 return err 691 } 692 return RemoveDirectory(pathp) 693 } 694 695 func Unlink(path string) (err error) { 696 pathp, err := UTF16PtrFromString(path) 697 if err != nil { 698 return err 699 } 700 return DeleteFile(pathp) 701 } 702 703 func Rename(oldpath, newpath string) (err error) { 704 from, err := UTF16PtrFromString(oldpath) 705 if err != nil { 706 return err 707 } 708 to, err := UTF16PtrFromString(newpath) 709 if err != nil { 710 return err 711 } 712 return MoveFileEx(from, to, MOVEFILE_REPLACE_EXISTING) 713 } 714 715 func ComputerName() (name string, err error) { 716 var n uint32 = MAX_COMPUTERNAME_LENGTH + 1 717 b := make([]uint16, n) 718 e := GetComputerName(&b[0], &n) 719 if e != nil { 720 return "", e 721 } 722 return string(utf16.Decode(b[0:n])), nil 723 } 724 725 func DurationSinceBoot() time.Duration { 726 return time.Duration(getTickCount64()) * time.Millisecond 727 } 728 729 func Ftruncate(fd Handle, length int64) (err error) { 730 type _FILE_END_OF_FILE_INFO struct { 731 EndOfFile int64 732 } 733 var info _FILE_END_OF_FILE_INFO 734 info.EndOfFile = length 735 return SetFileInformationByHandle(fd, FileEndOfFileInfo, (*byte)(unsafe.Pointer(&info)), uint32(unsafe.Sizeof(info))) 736 } 737 738 func Gettimeofday(tv *Timeval) (err error) { 739 var ft Filetime 740 GetSystemTimeAsFileTime(&ft) 741 *tv = NsecToTimeval(ft.Nanoseconds()) 742 return nil 743 } 744 745 func Pipe(p []Handle) (err error) { 746 if len(p) != 2 { 747 return syscall.EINVAL 748 } 749 var r, w Handle 750 e := CreatePipe(&r, &w, makeInheritSa(), 0) 751 if e != nil { 752 return e 753 } 754 p[0] = r 755 p[1] = w 756 return nil 757 } 758 759 func Utimes(path string, tv []Timeval) (err error) { 760 if len(tv) != 2 { 761 return syscall.EINVAL 762 } 763 pathp, e := UTF16PtrFromString(path) 764 if e != nil { 765 return e 766 } 767 h, e := CreateFile(pathp, 768 FILE_WRITE_ATTRIBUTES, FILE_SHARE_WRITE, nil, 769 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0) 770 if e != nil { 771 return e 772 } 773 defer CloseHandle(h) 774 a := NsecToFiletime(tv[0].Nanoseconds()) 775 w := NsecToFiletime(tv[1].Nanoseconds()) 776 return SetFileTime(h, nil, &a, &w) 777 } 778 779 func UtimesNano(path string, ts []Timespec) (err error) { 780 if len(ts) != 2 { 781 return syscall.EINVAL 782 } 783 pathp, e := UTF16PtrFromString(path) 784 if e != nil { 785 return e 786 } 787 h, e := CreateFile(pathp, 788 FILE_WRITE_ATTRIBUTES, FILE_SHARE_WRITE, nil, 789 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0) 790 if e != nil { 791 return e 792 } 793 defer CloseHandle(h) 794 a := NsecToFiletime(TimespecToNsec(ts[0])) 795 w := NsecToFiletime(TimespecToNsec(ts[1])) 796 return SetFileTime(h, nil, &a, &w) 797 } 798 799 func Fsync(fd Handle) (err error) { 800 return FlushFileBuffers(fd) 801 } 802 803 func Chmod(path string, mode uint32) (err error) { 804 p, e := UTF16PtrFromString(path) 805 if e != nil { 806 return e 807 } 808 attrs, e := GetFileAttributes(p) 809 if e != nil { 810 return e 811 } 812 if mode&S_IWRITE != 0 { 813 attrs &^= FILE_ATTRIBUTE_READONLY 814 } else { 815 attrs |= FILE_ATTRIBUTE_READONLY 816 } 817 return SetFileAttributes(p, attrs) 818 } 819 820 func LoadGetSystemTimePreciseAsFileTime() error { 821 return procGetSystemTimePreciseAsFileTime.Find() 822 } 823 824 func LoadCancelIoEx() error { 825 return procCancelIoEx.Find() 826 } 827 828 func LoadSetFileCompletionNotificationModes() error { 829 return procSetFileCompletionNotificationModes.Find() 830 } 831 832 func WaitForMultipleObjects(handles []Handle, waitAll bool, waitMilliseconds uint32) (event uint32, err error) { 833 // Every other win32 array API takes arguments as "pointer, count", except for this function. So we 834 // can't declare it as a usual [] type, because mksyscall will use the opposite order. We therefore 835 // trivially stub this ourselves. 836 837 var handlePtr *Handle 838 if len(handles) > 0 { 839 handlePtr = &handles[0] 840 } 841 return waitForMultipleObjects(uint32(len(handles)), uintptr(unsafe.Pointer(handlePtr)), waitAll, waitMilliseconds) 842 } 843 844 // net api calls 845 846 const socket_error = uintptr(^uint32(0)) 847 848 //sys WSAStartup(verreq uint32, data *WSAData) (sockerr error) = ws2_32.WSAStartup 849 //sys WSACleanup() (err error) [failretval==socket_error] = ws2_32.WSACleanup 850 //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 851 //sys WSALookupServiceBegin(querySet *WSAQUERYSET, flags uint32, handle *Handle) (err error) [failretval==socket_error] = ws2_32.WSALookupServiceBeginW 852 //sys WSALookupServiceNext(handle Handle, flags uint32, size *int32, querySet *WSAQUERYSET) (err error) [failretval==socket_error] = ws2_32.WSALookupServiceNextW 853 //sys WSALookupServiceEnd(handle Handle) (err error) [failretval==socket_error] = ws2_32.WSALookupServiceEnd 854 //sys socket(af int32, typ int32, protocol int32) (handle Handle, err error) [failretval==InvalidHandle] = ws2_32.socket 855 //sys sendto(s Handle, buf []byte, flags int32, to unsafe.Pointer, tolen int32) (err error) [failretval==socket_error] = ws2_32.sendto 856 //sys recvfrom(s Handle, buf []byte, flags int32, from *RawSockaddrAny, fromlen *int32) (n int32, err error) [failretval==-1] = ws2_32.recvfrom 857 //sys Setsockopt(s Handle, level int32, optname int32, optval *byte, optlen int32) (err error) [failretval==socket_error] = ws2_32.setsockopt 858 //sys Getsockopt(s Handle, level int32, optname int32, optval *byte, optlen *int32) (err error) [failretval==socket_error] = ws2_32.getsockopt 859 //sys bind(s Handle, name unsafe.Pointer, namelen int32) (err error) [failretval==socket_error] = ws2_32.bind 860 //sys connect(s Handle, name unsafe.Pointer, namelen int32) (err error) [failretval==socket_error] = ws2_32.connect 861 //sys getsockname(s Handle, rsa *RawSockaddrAny, addrlen *int32) (err error) [failretval==socket_error] = ws2_32.getsockname 862 //sys getpeername(s Handle, rsa *RawSockaddrAny, addrlen *int32) (err error) [failretval==socket_error] = ws2_32.getpeername 863 //sys listen(s Handle, backlog int32) (err error) [failretval==socket_error] = ws2_32.listen 864 //sys shutdown(s Handle, how int32) (err error) [failretval==socket_error] = ws2_32.shutdown 865 //sys Closesocket(s Handle) (err error) [failretval==socket_error] = ws2_32.closesocket 866 //sys AcceptEx(ls Handle, as Handle, buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, recvd *uint32, overlapped *Overlapped) (err error) = mswsock.AcceptEx 867 //sys GetAcceptExSockaddrs(buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, lrsa **RawSockaddrAny, lrsalen *int32, rrsa **RawSockaddrAny, rrsalen *int32) = mswsock.GetAcceptExSockaddrs 868 //sys WSARecv(s Handle, bufs *WSABuf, bufcnt uint32, recvd *uint32, flags *uint32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSARecv 869 //sys WSASend(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSASend 870 //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 871 //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 872 //sys WSASocket(af int32, typ int32, protocol int32, protoInfo *WSAProtocolInfo, group uint32, flags uint32) (handle Handle, err error) [failretval==InvalidHandle] = ws2_32.WSASocketW 873 //sys WSADuplicateSocket(s Handle, processID uint32, info *WSAProtocolInfo) (err error) [failretval!=0] = ws2_32.WSADuplicateSocketW 874 //sys GetHostByName(name string) (h *Hostent, err error) [failretval==nil] = ws2_32.gethostbyname 875 //sys GetServByName(name string, proto string) (s *Servent, err error) [failretval==nil] = ws2_32.getservbyname 876 //sys Ntohs(netshort uint16) (u uint16) = ws2_32.ntohs 877 //sys GetProtoByName(name string) (p *Protoent, err error) [failretval==nil] = ws2_32.getprotobyname 878 //sys DnsQuery(name string, qtype uint16, options uint32, extra *byte, qrs **DNSRecord, pr *byte) (status error) = dnsapi.DnsQuery_W 879 //sys DnsRecordListFree(rl *DNSRecord, freetype uint32) = dnsapi.DnsRecordListFree 880 //sys DnsNameCompare(name1 *uint16, name2 *uint16) (same bool) = dnsapi.DnsNameCompare_W 881 //sys GetAddrInfoW(nodename *uint16, servicename *uint16, hints *AddrinfoW, result **AddrinfoW) (sockerr error) = ws2_32.GetAddrInfoW 882 //sys FreeAddrInfoW(addrinfo *AddrinfoW) = ws2_32.FreeAddrInfoW 883 //sys GetIfEntry(pIfRow *MibIfRow) (errcode error) = iphlpapi.GetIfEntry 884 //sys GetAdaptersInfo(ai *IpAdapterInfo, ol *uint32) (errcode error) = iphlpapi.GetAdaptersInfo 885 //sys SetFileCompletionNotificationModes(handle Handle, flags uint8) (err error) = kernel32.SetFileCompletionNotificationModes 886 //sys WSAEnumProtocols(protocols *int32, protocolBuffer *WSAProtocolInfo, bufferLength *uint32) (n int32, err error) [failretval==-1] = ws2_32.WSAEnumProtocolsW 887 //sys WSAGetOverlappedResult(h Handle, o *Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) = ws2_32.WSAGetOverlappedResult 888 //sys GetAdaptersAddresses(family uint32, flags uint32, reserved uintptr, adapterAddresses *IpAdapterAddresses, sizePointer *uint32) (errcode error) = iphlpapi.GetAdaptersAddresses 889 //sys GetACP() (acp uint32) = kernel32.GetACP 890 //sys MultiByteToWideChar(codePage uint32, dwFlags uint32, str *byte, nstr int32, wchar *uint16, nwchar int32) (nwrite int32, err error) = kernel32.MultiByteToWideChar 891 //sys getBestInterfaceEx(sockaddr unsafe.Pointer, pdwBestIfIndex *uint32) (errcode error) = iphlpapi.GetBestInterfaceEx 892 //sys GetIfEntry2Ex(level uint32, row *MibIfRow2) (errcode error) = iphlpapi.GetIfEntry2Ex 893 //sys GetUnicastIpAddressEntry(row *MibUnicastIpAddressRow) (errcode error) = iphlpapi.GetUnicastIpAddressEntry 894 //sys NotifyIpInterfaceChange(family uint16, callback uintptr, callerContext unsafe.Pointer, initialNotification bool, notificationHandle *Handle) (errcode error) = iphlpapi.NotifyIpInterfaceChange 895 //sys NotifyUnicastIpAddressChange(family uint16, callback uintptr, callerContext unsafe.Pointer, initialNotification bool, notificationHandle *Handle) (errcode error) = iphlpapi.NotifyUnicastIpAddressChange 896 //sys CancelMibChangeNotify2(notificationHandle Handle) (errcode error) = iphlpapi.CancelMibChangeNotify2 897 898 // For testing: clients can set this flag to force 899 // creation of IPv6 sockets to return EAFNOSUPPORT. 900 var SocketDisableIPv6 bool 901 902 type RawSockaddrInet4 struct { 903 Family uint16 904 Port uint16 905 Addr [4]byte /* in_addr */ 906 Zero [8]uint8 907 } 908 909 type RawSockaddrInet6 struct { 910 Family uint16 911 Port uint16 912 Flowinfo uint32 913 Addr [16]byte /* in6_addr */ 914 Scope_id uint32 915 } 916 917 type RawSockaddr struct { 918 Family uint16 919 Data [14]int8 920 } 921 922 type RawSockaddrAny struct { 923 Addr RawSockaddr 924 Pad [100]int8 925 } 926 927 type Sockaddr interface { 928 sockaddr() (ptr unsafe.Pointer, len int32, err error) // lowercase; only we can define Sockaddrs 929 } 930 931 type SockaddrInet4 struct { 932 Port int 933 Addr [4]byte 934 raw RawSockaddrInet4 935 } 936 937 func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, int32, error) { 938 if sa.Port < 0 || sa.Port > 0xFFFF { 939 return nil, 0, syscall.EINVAL 940 } 941 sa.raw.Family = AF_INET 942 p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port)) 943 p[0] = byte(sa.Port >> 8) 944 p[1] = byte(sa.Port) 945 sa.raw.Addr = sa.Addr 946 return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil 947 } 948 949 type SockaddrInet6 struct { 950 Port int 951 ZoneId uint32 952 Addr [16]byte 953 raw RawSockaddrInet6 954 } 955 956 func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, int32, error) { 957 if sa.Port < 0 || sa.Port > 0xFFFF { 958 return nil, 0, syscall.EINVAL 959 } 960 sa.raw.Family = AF_INET6 961 p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port)) 962 p[0] = byte(sa.Port >> 8) 963 p[1] = byte(sa.Port) 964 sa.raw.Scope_id = sa.ZoneId 965 sa.raw.Addr = sa.Addr 966 return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil 967 } 968 969 type RawSockaddrUnix struct { 970 Family uint16 971 Path [UNIX_PATH_MAX]int8 972 } 973 974 type SockaddrUnix struct { 975 Name string 976 raw RawSockaddrUnix 977 } 978 979 func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, int32, error) { 980 name := sa.Name 981 n := len(name) 982 if n > len(sa.raw.Path) { 983 return nil, 0, syscall.EINVAL 984 } 985 if n == len(sa.raw.Path) && name[0] != '@' { 986 return nil, 0, syscall.EINVAL 987 } 988 sa.raw.Family = AF_UNIX 989 for i := 0; i < n; i++ { 990 sa.raw.Path[i] = int8(name[i]) 991 } 992 // length is family (uint16), name, NUL. 993 sl := int32(2) 994 if n > 0 { 995 sl += int32(n) + 1 996 } 997 if sa.raw.Path[0] == '@' || (sa.raw.Path[0] == 0 && sl > 3) { 998 // Check sl > 3 so we don't change unnamed socket behavior. 999 sa.raw.Path[0] = 0 1000 // Don't count trailing NUL for abstract address. 1001 sl-- 1002 } 1003 1004 return unsafe.Pointer(&sa.raw), sl, nil 1005 } 1006 1007 type RawSockaddrBth struct { 1008 AddressFamily [2]byte 1009 BtAddr [8]byte 1010 ServiceClassId [16]byte 1011 Port [4]byte 1012 } 1013 1014 type SockaddrBth struct { 1015 BtAddr uint64 1016 ServiceClassId GUID 1017 Port uint32 1018 1019 raw RawSockaddrBth 1020 } 1021 1022 func (sa *SockaddrBth) sockaddr() (unsafe.Pointer, int32, error) { 1023 family := AF_BTH 1024 sa.raw = RawSockaddrBth{ 1025 AddressFamily: *(*[2]byte)(unsafe.Pointer(&family)), 1026 BtAddr: *(*[8]byte)(unsafe.Pointer(&sa.BtAddr)), 1027 Port: *(*[4]byte)(unsafe.Pointer(&sa.Port)), 1028 ServiceClassId: *(*[16]byte)(unsafe.Pointer(&sa.ServiceClassId)), 1029 } 1030 return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil 1031 } 1032 1033 func (rsa *RawSockaddrAny) Sockaddr() (Sockaddr, error) { 1034 switch rsa.Addr.Family { 1035 case AF_UNIX: 1036 pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa)) 1037 sa := new(SockaddrUnix) 1038 if pp.Path[0] == 0 { 1039 // "Abstract" Unix domain socket. 1040 // Rewrite leading NUL as @ for textual display. 1041 // (This is the standard convention.) 1042 // Not friendly to overwrite in place, 1043 // but the callers below don't care. 1044 pp.Path[0] = '@' 1045 } 1046 1047 // Assume path ends at NUL. 1048 // This is not technically the Linux semantics for 1049 // abstract Unix domain sockets--they are supposed 1050 // to be uninterpreted fixed-size binary blobs--but 1051 // everyone uses this convention. 1052 n := 0 1053 for n < len(pp.Path) && pp.Path[n] != 0 { 1054 n++ 1055 } 1056 sa.Name = string(unsafe.Slice((*byte)(unsafe.Pointer(&pp.Path[0])), n)) 1057 return sa, nil 1058 1059 case AF_INET: 1060 pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa)) 1061 sa := new(SockaddrInet4) 1062 p := (*[2]byte)(unsafe.Pointer(&pp.Port)) 1063 sa.Port = int(p[0])<<8 + int(p[1]) 1064 sa.Addr = pp.Addr 1065 return sa, nil 1066 1067 case AF_INET6: 1068 pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa)) 1069 sa := new(SockaddrInet6) 1070 p := (*[2]byte)(unsafe.Pointer(&pp.Port)) 1071 sa.Port = int(p[0])<<8 + int(p[1]) 1072 sa.ZoneId = pp.Scope_id 1073 sa.Addr = pp.Addr 1074 return sa, nil 1075 } 1076 return nil, syscall.EAFNOSUPPORT 1077 } 1078 1079 func Socket(domain, typ, proto int) (fd Handle, err error) { 1080 if domain == AF_INET6 && SocketDisableIPv6 { 1081 return InvalidHandle, syscall.EAFNOSUPPORT 1082 } 1083 return socket(int32(domain), int32(typ), int32(proto)) 1084 } 1085 1086 func SetsockoptInt(fd Handle, level, opt int, value int) (err error) { 1087 v := int32(value) 1088 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&v)), int32(unsafe.Sizeof(v))) 1089 } 1090 1091 func Bind(fd Handle, sa Sockaddr) (err error) { 1092 ptr, n, err := sa.sockaddr() 1093 if err != nil { 1094 return err 1095 } 1096 return bind(fd, ptr, n) 1097 } 1098 1099 func Connect(fd Handle, sa Sockaddr) (err error) { 1100 ptr, n, err := sa.sockaddr() 1101 if err != nil { 1102 return err 1103 } 1104 return connect(fd, ptr, n) 1105 } 1106 1107 func GetBestInterfaceEx(sa Sockaddr, pdwBestIfIndex *uint32) (err error) { 1108 ptr, _, err := sa.sockaddr() 1109 if err != nil { 1110 return err 1111 } 1112 return getBestInterfaceEx(ptr, pdwBestIfIndex) 1113 } 1114 1115 func Getsockname(fd Handle) (sa Sockaddr, err error) { 1116 var rsa RawSockaddrAny 1117 l := int32(unsafe.Sizeof(rsa)) 1118 if err = getsockname(fd, &rsa, &l); err != nil { 1119 return 1120 } 1121 return rsa.Sockaddr() 1122 } 1123 1124 func Getpeername(fd Handle) (sa Sockaddr, err error) { 1125 var rsa RawSockaddrAny 1126 l := int32(unsafe.Sizeof(rsa)) 1127 if err = getpeername(fd, &rsa, &l); err != nil { 1128 return 1129 } 1130 return rsa.Sockaddr() 1131 } 1132 1133 func Listen(s Handle, n int) (err error) { 1134 return listen(s, int32(n)) 1135 } 1136 1137 func Shutdown(fd Handle, how int) (err error) { 1138 return shutdown(fd, int32(how)) 1139 } 1140 1141 func WSASendto(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, to Sockaddr, overlapped *Overlapped, croutine *byte) (err error) { 1142 var rsa unsafe.Pointer 1143 var l int32 1144 if to != nil { 1145 rsa, l, err = to.sockaddr() 1146 if err != nil { 1147 return err 1148 } 1149 } 1150 return WSASendTo(s, bufs, bufcnt, sent, flags, (*RawSockaddrAny)(unsafe.Pointer(rsa)), l, overlapped, croutine) 1151 } 1152 1153 func LoadGetAddrInfo() error { 1154 return procGetAddrInfoW.Find() 1155 } 1156 1157 var connectExFunc struct { 1158 once sync.Once 1159 addr uintptr 1160 err error 1161 } 1162 1163 func LoadConnectEx() error { 1164 connectExFunc.once.Do(func() { 1165 var s Handle 1166 s, connectExFunc.err = Socket(AF_INET, SOCK_STREAM, IPPROTO_TCP) 1167 if connectExFunc.err != nil { 1168 return 1169 } 1170 defer CloseHandle(s) 1171 var n uint32 1172 connectExFunc.err = WSAIoctl(s, 1173 SIO_GET_EXTENSION_FUNCTION_POINTER, 1174 (*byte)(unsafe.Pointer(&WSAID_CONNECTEX)), 1175 uint32(unsafe.Sizeof(WSAID_CONNECTEX)), 1176 (*byte)(unsafe.Pointer(&connectExFunc.addr)), 1177 uint32(unsafe.Sizeof(connectExFunc.addr)), 1178 &n, nil, 0) 1179 }) 1180 return connectExFunc.err 1181 } 1182 1183 func connectEx(s Handle, name unsafe.Pointer, namelen int32, sendBuf *byte, sendDataLen uint32, bytesSent *uint32, overlapped *Overlapped) (err error) { 1184 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) 1185 if r1 == 0 { 1186 if e1 != 0 { 1187 err = error(e1) 1188 } else { 1189 err = syscall.EINVAL 1190 } 1191 } 1192 return 1193 } 1194 1195 func ConnectEx(fd Handle, sa Sockaddr, sendBuf *byte, sendDataLen uint32, bytesSent *uint32, overlapped *Overlapped) error { 1196 err := LoadConnectEx() 1197 if err != nil { 1198 return errorspkg.New("failed to find ConnectEx: " + err.Error()) 1199 } 1200 ptr, n, err := sa.sockaddr() 1201 if err != nil { 1202 return err 1203 } 1204 return connectEx(fd, ptr, n, sendBuf, sendDataLen, bytesSent, overlapped) 1205 } 1206 1207 var sendRecvMsgFunc struct { 1208 once sync.Once 1209 sendAddr uintptr 1210 recvAddr uintptr 1211 err error 1212 } 1213 1214 func loadWSASendRecvMsg() error { 1215 sendRecvMsgFunc.once.Do(func() { 1216 var s Handle 1217 s, sendRecvMsgFunc.err = Socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP) 1218 if sendRecvMsgFunc.err != nil { 1219 return 1220 } 1221 defer CloseHandle(s) 1222 var n uint32 1223 sendRecvMsgFunc.err = WSAIoctl(s, 1224 SIO_GET_EXTENSION_FUNCTION_POINTER, 1225 (*byte)(unsafe.Pointer(&WSAID_WSARECVMSG)), 1226 uint32(unsafe.Sizeof(WSAID_WSARECVMSG)), 1227 (*byte)(unsafe.Pointer(&sendRecvMsgFunc.recvAddr)), 1228 uint32(unsafe.Sizeof(sendRecvMsgFunc.recvAddr)), 1229 &n, nil, 0) 1230 if sendRecvMsgFunc.err != nil { 1231 return 1232 } 1233 sendRecvMsgFunc.err = WSAIoctl(s, 1234 SIO_GET_EXTENSION_FUNCTION_POINTER, 1235 (*byte)(unsafe.Pointer(&WSAID_WSASENDMSG)), 1236 uint32(unsafe.Sizeof(WSAID_WSASENDMSG)), 1237 (*byte)(unsafe.Pointer(&sendRecvMsgFunc.sendAddr)), 1238 uint32(unsafe.Sizeof(sendRecvMsgFunc.sendAddr)), 1239 &n, nil, 0) 1240 }) 1241 return sendRecvMsgFunc.err 1242 } 1243 1244 func WSASendMsg(fd Handle, msg *WSAMsg, flags uint32, bytesSent *uint32, overlapped *Overlapped, croutine *byte) error { 1245 err := loadWSASendRecvMsg() 1246 if err != nil { 1247 return err 1248 } 1249 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))) 1250 if r1 == socket_error { 1251 err = errnoErr(e1) 1252 } 1253 return err 1254 } 1255 1256 func WSARecvMsg(fd Handle, msg *WSAMsg, bytesReceived *uint32, overlapped *Overlapped, croutine *byte) error { 1257 err := loadWSASendRecvMsg() 1258 if err != nil { 1259 return err 1260 } 1261 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) 1262 if r1 == socket_error { 1263 err = errnoErr(e1) 1264 } 1265 return err 1266 } 1267 1268 // Invented structures to support what package os expects. 1269 type Rusage struct { 1270 CreationTime Filetime 1271 ExitTime Filetime 1272 KernelTime Filetime 1273 UserTime Filetime 1274 } 1275 1276 type WaitStatus struct { 1277 ExitCode uint32 1278 } 1279 1280 func (w WaitStatus) Exited() bool { return true } 1281 1282 func (w WaitStatus) ExitStatus() int { return int(w.ExitCode) } 1283 1284 func (w WaitStatus) Signal() Signal { return -1 } 1285 1286 func (w WaitStatus) CoreDump() bool { return false } 1287 1288 func (w WaitStatus) Stopped() bool { return false } 1289 1290 func (w WaitStatus) Continued() bool { return false } 1291 1292 func (w WaitStatus) StopSignal() Signal { return -1 } 1293 1294 func (w WaitStatus) Signaled() bool { return false } 1295 1296 func (w WaitStatus) TrapCause() int { return -1 } 1297 1298 // Timespec is an invented structure on Windows, but here for 1299 // consistency with the corresponding package for other operating systems. 1300 type Timespec struct { 1301 Sec int64 1302 Nsec int64 1303 } 1304 1305 func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } 1306 1307 func NsecToTimespec(nsec int64) (ts Timespec) { 1308 ts.Sec = nsec / 1e9 1309 ts.Nsec = nsec % 1e9 1310 return 1311 } 1312 1313 // TODO(brainman): fix all needed for net 1314 1315 func Accept(fd Handle) (nfd Handle, sa Sockaddr, err error) { return 0, nil, syscall.EWINDOWS } 1316 1317 func Recvfrom(fd Handle, p []byte, flags int) (n int, from Sockaddr, err error) { 1318 var rsa RawSockaddrAny 1319 l := int32(unsafe.Sizeof(rsa)) 1320 n32, err := recvfrom(fd, p, int32(flags), &rsa, &l) 1321 n = int(n32) 1322 if err != nil { 1323 return 1324 } 1325 from, err = rsa.Sockaddr() 1326 return 1327 } 1328 1329 func Sendto(fd Handle, p []byte, flags int, to Sockaddr) (err error) { 1330 ptr, l, err := to.sockaddr() 1331 if err != nil { 1332 return err 1333 } 1334 return sendto(fd, p, int32(flags), ptr, l) 1335 } 1336 1337 func SetsockoptTimeval(fd Handle, level, opt int, tv *Timeval) (err error) { return syscall.EWINDOWS } 1338 1339 // The Linger struct is wrong but we only noticed after Go 1. 1340 // sysLinger is the real system call structure. 1341 1342 // BUG(brainman): The definition of Linger is not appropriate for direct use 1343 // with Setsockopt and Getsockopt. 1344 // Use SetsockoptLinger instead. 1345 1346 type Linger struct { 1347 Onoff int32 1348 Linger int32 1349 } 1350 1351 type sysLinger struct { 1352 Onoff uint16 1353 Linger uint16 1354 } 1355 1356 type IPMreq struct { 1357 Multiaddr [4]byte /* in_addr */ 1358 Interface [4]byte /* in_addr */ 1359 } 1360 1361 type IPv6Mreq struct { 1362 Multiaddr [16]byte /* in6_addr */ 1363 Interface uint32 1364 } 1365 1366 func GetsockoptInt(fd Handle, level, opt int) (int, error) { 1367 v := int32(0) 1368 l := int32(unsafe.Sizeof(v)) 1369 err := Getsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&v)), &l) 1370 return int(v), err 1371 } 1372 1373 func SetsockoptLinger(fd Handle, level, opt int, l *Linger) (err error) { 1374 sys := sysLinger{Onoff: uint16(l.Onoff), Linger: uint16(l.Linger)} 1375 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&sys)), int32(unsafe.Sizeof(sys))) 1376 } 1377 1378 func SetsockoptInet4Addr(fd Handle, level, opt int, value [4]byte) (err error) { 1379 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&value[0])), 4) 1380 } 1381 1382 func SetsockoptIPMreq(fd Handle, level, opt int, mreq *IPMreq) (err error) { 1383 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(mreq)), int32(unsafe.Sizeof(*mreq))) 1384 } 1385 1386 func SetsockoptIPv6Mreq(fd Handle, level, opt int, mreq *IPv6Mreq) (err error) { 1387 return syscall.EWINDOWS 1388 } 1389 1390 func EnumProcesses(processIds []uint32, bytesReturned *uint32) error { 1391 // EnumProcesses syscall expects the size parameter to be in bytes, but the code generated with mksyscall uses 1392 // the length of the processIds slice instead. Hence, this wrapper function is added to fix the discrepancy. 1393 var p *uint32 1394 if len(processIds) > 0 { 1395 p = &processIds[0] 1396 } 1397 size := uint32(len(processIds) * 4) 1398 return enumProcesses(p, size, bytesReturned) 1399 } 1400 1401 func Getpid() (pid int) { return int(GetCurrentProcessId()) } 1402 1403 func FindFirstFile(name *uint16, data *Win32finddata) (handle Handle, err error) { 1404 // NOTE(rsc): The Win32finddata struct is wrong for the system call: 1405 // the two paths are each one uint16 short. Use the correct struct, 1406 // a win32finddata1, and then copy the results out. 1407 // There is no loss of expressivity here, because the final 1408 // uint16, if it is used, is supposed to be a NUL, and Go doesn't need that. 1409 // For Go 1.1, we might avoid the allocation of win32finddata1 here 1410 // by adding a final Bug [2]uint16 field to the struct and then 1411 // adjusting the fields in the result directly. 1412 var data1 win32finddata1 1413 handle, err = findFirstFile1(name, &data1) 1414 if err == nil { 1415 copyFindData(data, &data1) 1416 } 1417 return 1418 } 1419 1420 func FindNextFile(handle Handle, data *Win32finddata) (err error) { 1421 var data1 win32finddata1 1422 err = findNextFile1(handle, &data1) 1423 if err == nil { 1424 copyFindData(data, &data1) 1425 } 1426 return 1427 } 1428 1429 func getProcessEntry(pid int) (*ProcessEntry32, error) { 1430 snapshot, err := CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0) 1431 if err != nil { 1432 return nil, err 1433 } 1434 defer CloseHandle(snapshot) 1435 var procEntry ProcessEntry32 1436 procEntry.Size = uint32(unsafe.Sizeof(procEntry)) 1437 if err = Process32First(snapshot, &procEntry); err != nil { 1438 return nil, err 1439 } 1440 for { 1441 if procEntry.ProcessID == uint32(pid) { 1442 return &procEntry, nil 1443 } 1444 err = Process32Next(snapshot, &procEntry) 1445 if err != nil { 1446 return nil, err 1447 } 1448 } 1449 } 1450 1451 func Getppid() (ppid int) { 1452 pe, err := getProcessEntry(Getpid()) 1453 if err != nil { 1454 return -1 1455 } 1456 return int(pe.ParentProcessID) 1457 } 1458 1459 // TODO(brainman): fix all needed for os 1460 func Fchdir(fd Handle) (err error) { return syscall.EWINDOWS } 1461 func Link(oldpath, newpath string) (err error) { return syscall.EWINDOWS } 1462 func Symlink(path, link string) (err error) { return syscall.EWINDOWS } 1463 1464 func Fchmod(fd Handle, mode uint32) (err error) { return syscall.EWINDOWS } 1465 func Chown(path string, uid int, gid int) (err error) { return syscall.EWINDOWS } 1466 func Lchown(path string, uid int, gid int) (err error) { return syscall.EWINDOWS } 1467 func Fchown(fd Handle, uid int, gid int) (err error) { return syscall.EWINDOWS } 1468 1469 func Getuid() (uid int) { return -1 } 1470 func Geteuid() (euid int) { return -1 } 1471 func Getgid() (gid int) { return -1 } 1472 func Getegid() (egid int) { return -1 } 1473 func Getgroups() (gids []int, err error) { return nil, syscall.EWINDOWS } 1474 1475 type Signal int 1476 1477 func (s Signal) Signal() {} 1478 1479 func (s Signal) String() string { 1480 if 0 <= s && int(s) < len(signals) { 1481 str := signals[s] 1482 if str != "" { 1483 return str 1484 } 1485 } 1486 return "signal " + itoa(int(s)) 1487 } 1488 1489 func LoadCreateSymbolicLink() error { 1490 return procCreateSymbolicLinkW.Find() 1491 } 1492 1493 // Readlink returns the destination of the named symbolic link. 1494 func Readlink(path string, buf []byte) (n int, err error) { 1495 fd, err := CreateFile(StringToUTF16Ptr(path), GENERIC_READ, 0, nil, OPEN_EXISTING, 1496 FILE_FLAG_OPEN_REPARSE_POINT|FILE_FLAG_BACKUP_SEMANTICS, 0) 1497 if err != nil { 1498 return -1, err 1499 } 1500 defer CloseHandle(fd) 1501 1502 rdbbuf := make([]byte, MAXIMUM_REPARSE_DATA_BUFFER_SIZE) 1503 var bytesReturned uint32 1504 err = DeviceIoControl(fd, FSCTL_GET_REPARSE_POINT, nil, 0, &rdbbuf[0], uint32(len(rdbbuf)), &bytesReturned, nil) 1505 if err != nil { 1506 return -1, err 1507 } 1508 1509 rdb := (*reparseDataBuffer)(unsafe.Pointer(&rdbbuf[0])) 1510 var s string 1511 switch rdb.ReparseTag { 1512 case IO_REPARSE_TAG_SYMLINK: 1513 data := (*symbolicLinkReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer)) 1514 p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0])) 1515 s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2]) 1516 case IO_REPARSE_TAG_MOUNT_POINT: 1517 data := (*mountPointReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer)) 1518 p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0])) 1519 s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2]) 1520 default: 1521 // the path is not a symlink or junction but another type of reparse 1522 // point 1523 return -1, syscall.ENOENT 1524 } 1525 n = copy(buf, []byte(s)) 1526 1527 return n, nil 1528 } 1529 1530 // GUIDFromString parses a string in the form of 1531 // "{XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}" into a GUID. 1532 func GUIDFromString(str string) (GUID, error) { 1533 guid := GUID{} 1534 str16, err := syscall.UTF16PtrFromString(str) 1535 if err != nil { 1536 return guid, err 1537 } 1538 err = clsidFromString(str16, &guid) 1539 if err != nil { 1540 return guid, err 1541 } 1542 return guid, nil 1543 } 1544 1545 // GenerateGUID creates a new random GUID. 1546 func GenerateGUID() (GUID, error) { 1547 guid := GUID{} 1548 err := coCreateGuid(&guid) 1549 if err != nil { 1550 return guid, err 1551 } 1552 return guid, nil 1553 } 1554 1555 // String returns the canonical string form of the GUID, 1556 // in the form of "{XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}". 1557 func (guid GUID) String() string { 1558 var str [100]uint16 1559 chars := stringFromGUID2(&guid, &str[0], int32(len(str))) 1560 if chars <= 1 { 1561 return "" 1562 } 1563 return string(utf16.Decode(str[:chars-1])) 1564 } 1565 1566 // KnownFolderPath returns a well-known folder path for the current user, specified by one of 1567 // the FOLDERID_ constants, and chosen and optionally created based on a KF_ flag. 1568 func KnownFolderPath(folderID *KNOWNFOLDERID, flags uint32) (string, error) { 1569 return Token(0).KnownFolderPath(folderID, flags) 1570 } 1571 1572 // KnownFolderPath returns a well-known folder path for the user token, specified by one of 1573 // the FOLDERID_ constants, and chosen and optionally created based on a KF_ flag. 1574 func (t Token) KnownFolderPath(folderID *KNOWNFOLDERID, flags uint32) (string, error) { 1575 var p *uint16 1576 err := shGetKnownFolderPath(folderID, flags, t, &p) 1577 if err != nil { 1578 return "", err 1579 } 1580 defer CoTaskMemFree(unsafe.Pointer(p)) 1581 return UTF16PtrToString(p), nil 1582 } 1583 1584 // RtlGetVersion returns the version of the underlying operating system, ignoring 1585 // manifest semantics but is affected by the application compatibility layer. 1586 func RtlGetVersion() *OsVersionInfoEx { 1587 info := &OsVersionInfoEx{} 1588 info.osVersionInfoSize = uint32(unsafe.Sizeof(*info)) 1589 // According to documentation, this function always succeeds. 1590 // The function doesn't even check the validity of the 1591 // osVersionInfoSize member. Disassembling ntdll.dll indicates 1592 // that the documentation is indeed correct about that. 1593 _ = rtlGetVersion(info) 1594 return info 1595 } 1596 1597 // RtlGetNtVersionNumbers returns the version of the underlying operating system, 1598 // ignoring manifest semantics and the application compatibility layer. 1599 func RtlGetNtVersionNumbers() (majorVersion, minorVersion, buildNumber uint32) { 1600 rtlGetNtVersionNumbers(&majorVersion, &minorVersion, &buildNumber) 1601 buildNumber &= 0xffff 1602 return 1603 } 1604 1605 // GetProcessPreferredUILanguages retrieves the process preferred UI languages. 1606 func GetProcessPreferredUILanguages(flags uint32) ([]string, error) { 1607 return getUILanguages(flags, getProcessPreferredUILanguages) 1608 } 1609 1610 // GetThreadPreferredUILanguages retrieves the thread preferred UI languages for the current thread. 1611 func GetThreadPreferredUILanguages(flags uint32) ([]string, error) { 1612 return getUILanguages(flags, getThreadPreferredUILanguages) 1613 } 1614 1615 // GetUserPreferredUILanguages retrieves information about the user preferred UI languages. 1616 func GetUserPreferredUILanguages(flags uint32) ([]string, error) { 1617 return getUILanguages(flags, getUserPreferredUILanguages) 1618 } 1619 1620 // GetSystemPreferredUILanguages retrieves the system preferred UI languages. 1621 func GetSystemPreferredUILanguages(flags uint32) ([]string, error) { 1622 return getUILanguages(flags, getSystemPreferredUILanguages) 1623 } 1624 1625 func getUILanguages(flags uint32, f func(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) error) ([]string, error) { 1626 size := uint32(128) 1627 for { 1628 var numLanguages uint32 1629 buf := make([]uint16, size) 1630 err := f(flags, &numLanguages, &buf[0], &size) 1631 if err == ERROR_INSUFFICIENT_BUFFER { 1632 continue 1633 } 1634 if err != nil { 1635 return nil, err 1636 } 1637 buf = buf[:size] 1638 if numLanguages == 0 || len(buf) == 0 { // GetProcessPreferredUILanguages may return numLanguages==0 with "\0\0" 1639 return []string{}, nil 1640 } 1641 if buf[len(buf)-1] == 0 { 1642 buf = buf[:len(buf)-1] // remove terminating null 1643 } 1644 languages := make([]string, 0, numLanguages) 1645 from := 0 1646 for i, c := range buf { 1647 if c == 0 { 1648 languages = append(languages, string(utf16.Decode(buf[from:i]))) 1649 from = i + 1 1650 } 1651 } 1652 return languages, nil 1653 } 1654 } 1655 1656 func SetConsoleCursorPosition(console Handle, position Coord) error { 1657 return setConsoleCursorPosition(console, *((*uint32)(unsafe.Pointer(&position)))) 1658 } 1659 1660 func GetStartupInfo(startupInfo *StartupInfo) error { 1661 getStartupInfo(startupInfo) 1662 return nil 1663 } 1664 1665 func (s NTStatus) Errno() syscall.Errno { 1666 return rtlNtStatusToDosErrorNoTeb(s) 1667 } 1668 1669 func langID(pri, sub uint16) uint32 { return uint32(sub)<<10 | uint32(pri) } 1670 1671 func (s NTStatus) Error() string { 1672 b := make([]uint16, 300) 1673 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) 1674 if err != nil { 1675 return fmt.Sprintf("NTSTATUS 0x%08x", uint32(s)) 1676 } 1677 // trim terminating \r and \n 1678 for ; n > 0 && (b[n-1] == '\n' || b[n-1] == '\r'); n-- { 1679 } 1680 return string(utf16.Decode(b[:n])) 1681 } 1682 1683 // NewNTUnicodeString returns a new NTUnicodeString structure for use with native 1684 // NT APIs that work over the NTUnicodeString type. Note that most Windows APIs 1685 // do not use NTUnicodeString, and instead UTF16PtrFromString should be used for 1686 // the more common *uint16 string type. 1687 func NewNTUnicodeString(s string) (*NTUnicodeString, error) { 1688 s16, err := UTF16FromString(s) 1689 if err != nil { 1690 return nil, err 1691 } 1692 n := uint16(len(s16) * 2) 1693 return &NTUnicodeString{ 1694 Length: n - 2, // subtract 2 bytes for the NULL terminator 1695 MaximumLength: n, 1696 Buffer: &s16[0], 1697 }, nil 1698 } 1699 1700 // Slice returns a uint16 slice that aliases the data in the NTUnicodeString. 1701 func (s *NTUnicodeString) Slice() []uint16 { 1702 // Note: this rounds the length down, if it happens 1703 // to (incorrectly) be odd. Probably safer than rounding up. 1704 return unsafe.Slice(s.Buffer, s.MaximumLength/2)[:s.Length/2] 1705 } 1706 1707 func (s *NTUnicodeString) String() string { 1708 return UTF16ToString(s.Slice()) 1709 } 1710 1711 // NewNTString returns a new NTString structure for use with native 1712 // NT APIs that work over the NTString type. Note that most Windows APIs 1713 // do not use NTString, and instead UTF16PtrFromString should be used for 1714 // the more common *uint16 string type. 1715 func NewNTString(s string) (*NTString, error) { 1716 var nts NTString 1717 s8, err := BytePtrFromString(s) 1718 if err != nil { 1719 return nil, err 1720 } 1721 RtlInitString(&nts, s8) 1722 return &nts, nil 1723 } 1724 1725 // Slice returns a byte slice that aliases the data in the NTString. 1726 func (s *NTString) Slice() []byte { 1727 slice := unsafe.Slice(s.Buffer, s.MaximumLength) 1728 return slice[:s.Length] 1729 } 1730 1731 func (s *NTString) String() string { 1732 return ByteSliceToString(s.Slice()) 1733 } 1734 1735 // FindResource resolves a resource of the given name and resource type. 1736 func FindResource(module Handle, name, resType ResourceIDOrString) (Handle, error) { 1737 var namePtr, resTypePtr uintptr 1738 var name16, resType16 *uint16 1739 var err error 1740 resolvePtr := func(i interface{}, keep **uint16) (uintptr, error) { 1741 switch v := i.(type) { 1742 case string: 1743 *keep, err = UTF16PtrFromString(v) 1744 if err != nil { 1745 return 0, err 1746 } 1747 return uintptr(unsafe.Pointer(*keep)), nil 1748 case ResourceID: 1749 return uintptr(v), nil 1750 } 1751 return 0, errorspkg.New("parameter must be a ResourceID or a string") 1752 } 1753 namePtr, err = resolvePtr(name, &name16) 1754 if err != nil { 1755 return 0, err 1756 } 1757 resTypePtr, err = resolvePtr(resType, &resType16) 1758 if err != nil { 1759 return 0, err 1760 } 1761 resInfo, err := findResource(module, namePtr, resTypePtr) 1762 runtime.KeepAlive(name16) 1763 runtime.KeepAlive(resType16) 1764 return resInfo, err 1765 } 1766 1767 func LoadResourceData(module, resInfo Handle) (data []byte, err error) { 1768 size, err := SizeofResource(module, resInfo) 1769 if err != nil { 1770 return 1771 } 1772 resData, err := LoadResource(module, resInfo) 1773 if err != nil { 1774 return 1775 } 1776 ptr, err := LockResource(resData) 1777 if err != nil { 1778 return 1779 } 1780 data = unsafe.Slice((*byte)(unsafe.Pointer(ptr)), size) 1781 return 1782 } 1783 1784 // PSAPI_WORKING_SET_EX_BLOCK contains extended working set information for a page. 1785 type PSAPI_WORKING_SET_EX_BLOCK uint64 1786 1787 // Valid returns the validity of this page. 1788 // If this bit is 1, the subsequent members are valid; otherwise they should be ignored. 1789 func (b PSAPI_WORKING_SET_EX_BLOCK) Valid() bool { 1790 return (b & 1) == 1 1791 } 1792 1793 // ShareCount is the number of processes that share this page. The maximum value of this member is 7. 1794 func (b PSAPI_WORKING_SET_EX_BLOCK) ShareCount() uint64 { 1795 return b.intField(1, 3) 1796 } 1797 1798 // Win32Protection is the memory protection attributes of the page. For a list of values, see 1799 // https://docs.microsoft.com/en-us/windows/win32/memory/memory-protection-constants 1800 func (b PSAPI_WORKING_SET_EX_BLOCK) Win32Protection() uint64 { 1801 return b.intField(4, 11) 1802 } 1803 1804 // Shared returns the shared status of this page. 1805 // If this bit is 1, the page can be shared. 1806 func (b PSAPI_WORKING_SET_EX_BLOCK) Shared() bool { 1807 return (b & (1 << 15)) == 1 1808 } 1809 1810 // Node is the NUMA node. The maximum value of this member is 63. 1811 func (b PSAPI_WORKING_SET_EX_BLOCK) Node() uint64 { 1812 return b.intField(16, 6) 1813 } 1814 1815 // Locked returns the locked status of this page. 1816 // If this bit is 1, the virtual page is locked in physical memory. 1817 func (b PSAPI_WORKING_SET_EX_BLOCK) Locked() bool { 1818 return (b & (1 << 22)) == 1 1819 } 1820 1821 // LargePage returns the large page status of this page. 1822 // If this bit is 1, the page is a large page. 1823 func (b PSAPI_WORKING_SET_EX_BLOCK) LargePage() bool { 1824 return (b & (1 << 23)) == 1 1825 } 1826 1827 // Bad returns the bad status of this page. 1828 // If this bit is 1, the page is has been reported as bad. 1829 func (b PSAPI_WORKING_SET_EX_BLOCK) Bad() bool { 1830 return (b & (1 << 31)) == 1 1831 } 1832 1833 // intField extracts an integer field in the PSAPI_WORKING_SET_EX_BLOCK union. 1834 func (b PSAPI_WORKING_SET_EX_BLOCK) intField(start, length int) uint64 { 1835 var mask PSAPI_WORKING_SET_EX_BLOCK 1836 for pos := start; pos < start+length; pos++ { 1837 mask |= (1 << pos) 1838 } 1839 1840 masked := b & mask 1841 return uint64(masked >> start) 1842 } 1843 1844 // PSAPI_WORKING_SET_EX_INFORMATION contains extended working set information for a process. 1845 type PSAPI_WORKING_SET_EX_INFORMATION struct { 1846 // The virtual address. 1847 VirtualAddress Pointer 1848 // A PSAPI_WORKING_SET_EX_BLOCK union that indicates the attributes of the page at VirtualAddress. 1849 VirtualAttributes PSAPI_WORKING_SET_EX_BLOCK 1850 } 1851 1852 // CreatePseudoConsole creates a windows pseudo console. 1853 func CreatePseudoConsole(size Coord, in Handle, out Handle, flags uint32, pconsole *Handle) error { 1854 // We need this wrapper to manually cast Coord to uint32. The autogenerated wrappers only 1855 // accept arguments that can be casted to uintptr, and Coord can't. 1856 return createPseudoConsole(*((*uint32)(unsafe.Pointer(&size))), in, out, flags, pconsole) 1857 } 1858 1859 // ResizePseudoConsole resizes the internal buffers of the pseudo console to the width and height specified in `size`. 1860 func ResizePseudoConsole(pconsole Handle, size Coord) error { 1861 // We need this wrapper to manually cast Coord to uint32. The autogenerated wrappers only 1862 // accept arguments that can be casted to uintptr, and Coord can't. 1863 return resizePseudoConsole(pconsole, *((*uint32)(unsafe.Pointer(&size)))) 1864 } 1865 1866 // DCB constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/ns-winbase-dcb. 1867 const ( 1868 CBR_110 = 110 1869 CBR_300 = 300 1870 CBR_600 = 600 1871 CBR_1200 = 1200 1872 CBR_2400 = 2400 1873 CBR_4800 = 4800 1874 CBR_9600 = 9600 1875 CBR_14400 = 14400 1876 CBR_19200 = 19200 1877 CBR_38400 = 38400 1878 CBR_57600 = 57600 1879 CBR_115200 = 115200 1880 CBR_128000 = 128000 1881 CBR_256000 = 256000 1882 1883 DTR_CONTROL_DISABLE = 0x00000000 1884 DTR_CONTROL_ENABLE = 0x00000010 1885 DTR_CONTROL_HANDSHAKE = 0x00000020 1886 1887 RTS_CONTROL_DISABLE = 0x00000000 1888 RTS_CONTROL_ENABLE = 0x00001000 1889 RTS_CONTROL_HANDSHAKE = 0x00002000 1890 RTS_CONTROL_TOGGLE = 0x00003000 1891 1892 NOPARITY = 0 1893 ODDPARITY = 1 1894 EVENPARITY = 2 1895 MARKPARITY = 3 1896 SPACEPARITY = 4 1897 1898 ONESTOPBIT = 0 1899 ONE5STOPBITS = 1 1900 TWOSTOPBITS = 2 1901 ) 1902 1903 // EscapeCommFunction constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-escapecommfunction. 1904 const ( 1905 SETXOFF = 1 1906 SETXON = 2 1907 SETRTS = 3 1908 CLRRTS = 4 1909 SETDTR = 5 1910 CLRDTR = 6 1911 SETBREAK = 8 1912 CLRBREAK = 9 1913 ) 1914 1915 // PurgeComm constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-purgecomm. 1916 const ( 1917 PURGE_TXABORT = 0x0001 1918 PURGE_RXABORT = 0x0002 1919 PURGE_TXCLEAR = 0x0004 1920 PURGE_RXCLEAR = 0x0008 1921 ) 1922 1923 // SetCommMask constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-setcommmask. 1924 const ( 1925 EV_RXCHAR = 0x0001 1926 EV_RXFLAG = 0x0002 1927 EV_TXEMPTY = 0x0004 1928 EV_CTS = 0x0008 1929 EV_DSR = 0x0010 1930 EV_RLSD = 0x0020 1931 EV_BREAK = 0x0040 1932 EV_ERR = 0x0080 1933 EV_RING = 0x0100 1934 ) 1935