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 GetHostByName(name string) (h *Hostent, err error) [failretval==nil] = ws2_32.gethostbyname 874 //sys GetServByName(name string, proto string) (s *Servent, err error) [failretval==nil] = ws2_32.getservbyname 875 //sys Ntohs(netshort uint16) (u uint16) = ws2_32.ntohs 876 //sys GetProtoByName(name string) (p *Protoent, err error) [failretval==nil] = ws2_32.getprotobyname 877 //sys DnsQuery(name string, qtype uint16, options uint32, extra *byte, qrs **DNSRecord, pr *byte) (status error) = dnsapi.DnsQuery_W 878 //sys DnsRecordListFree(rl *DNSRecord, freetype uint32) = dnsapi.DnsRecordListFree 879 //sys DnsNameCompare(name1 *uint16, name2 *uint16) (same bool) = dnsapi.DnsNameCompare_W 880 //sys GetAddrInfoW(nodename *uint16, servicename *uint16, hints *AddrinfoW, result **AddrinfoW) (sockerr error) = ws2_32.GetAddrInfoW 881 //sys FreeAddrInfoW(addrinfo *AddrinfoW) = ws2_32.FreeAddrInfoW 882 //sys GetIfEntry(pIfRow *MibIfRow) (errcode error) = iphlpapi.GetIfEntry 883 //sys GetAdaptersInfo(ai *IpAdapterInfo, ol *uint32) (errcode error) = iphlpapi.GetAdaptersInfo 884 //sys SetFileCompletionNotificationModes(handle Handle, flags uint8) (err error) = kernel32.SetFileCompletionNotificationModes 885 //sys WSAEnumProtocols(protocols *int32, protocolBuffer *WSAProtocolInfo, bufferLength *uint32) (n int32, err error) [failretval==-1] = ws2_32.WSAEnumProtocolsW 886 //sys WSAGetOverlappedResult(h Handle, o *Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) = ws2_32.WSAGetOverlappedResult 887 //sys GetAdaptersAddresses(family uint32, flags uint32, reserved uintptr, adapterAddresses *IpAdapterAddresses, sizePointer *uint32) (errcode error) = iphlpapi.GetAdaptersAddresses 888 //sys GetACP() (acp uint32) = kernel32.GetACP 889 //sys MultiByteToWideChar(codePage uint32, dwFlags uint32, str *byte, nstr int32, wchar *uint16, nwchar int32) (nwrite int32, err error) = kernel32.MultiByteToWideChar 890 //sys getBestInterfaceEx(sockaddr unsafe.Pointer, pdwBestIfIndex *uint32) (errcode error) = iphlpapi.GetBestInterfaceEx 891 //sys GetIfEntry2Ex(level uint32, row *MibIfRow2) (errcode error) = iphlpapi.GetIfEntry2Ex 892 //sys GetUnicastIpAddressEntry(row *MibUnicastIpAddressRow) (errcode error) = iphlpapi.GetUnicastIpAddressEntry 893 //sys NotifyIpInterfaceChange(family uint16, callback uintptr, callerContext unsafe.Pointer, initialNotification bool, notificationHandle *Handle) (errcode error) = iphlpapi.NotifyIpInterfaceChange 894 //sys NotifyUnicastIpAddressChange(family uint16, callback uintptr, callerContext unsafe.Pointer, initialNotification bool, notificationHandle *Handle) (errcode error) = iphlpapi.NotifyUnicastIpAddressChange 895 //sys CancelMibChangeNotify2(notificationHandle Handle) (errcode error) = iphlpapi.CancelMibChangeNotify2 896 897 // For testing: clients can set this flag to force 898 // creation of IPv6 sockets to return EAFNOSUPPORT. 899 var SocketDisableIPv6 bool 900 901 type RawSockaddrInet4 struct { 902 Family uint16 903 Port uint16 904 Addr [4]byte /* in_addr */ 905 Zero [8]uint8 906 } 907 908 type RawSockaddrInet6 struct { 909 Family uint16 910 Port uint16 911 Flowinfo uint32 912 Addr [16]byte /* in6_addr */ 913 Scope_id uint32 914 } 915 916 type RawSockaddr struct { 917 Family uint16 918 Data [14]int8 919 } 920 921 type RawSockaddrAny struct { 922 Addr RawSockaddr 923 Pad [100]int8 924 } 925 926 type Sockaddr interface { 927 sockaddr() (ptr unsafe.Pointer, len int32, err error) // lowercase; only we can define Sockaddrs 928 } 929 930 type SockaddrInet4 struct { 931 Port int 932 Addr [4]byte 933 raw RawSockaddrInet4 934 } 935 936 func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, int32, error) { 937 if sa.Port < 0 || sa.Port > 0xFFFF { 938 return nil, 0, syscall.EINVAL 939 } 940 sa.raw.Family = AF_INET 941 p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port)) 942 p[0] = byte(sa.Port >> 8) 943 p[1] = byte(sa.Port) 944 sa.raw.Addr = sa.Addr 945 return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil 946 } 947 948 type SockaddrInet6 struct { 949 Port int 950 ZoneId uint32 951 Addr [16]byte 952 raw RawSockaddrInet6 953 } 954 955 func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, int32, error) { 956 if sa.Port < 0 || sa.Port > 0xFFFF { 957 return nil, 0, syscall.EINVAL 958 } 959 sa.raw.Family = AF_INET6 960 p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port)) 961 p[0] = byte(sa.Port >> 8) 962 p[1] = byte(sa.Port) 963 sa.raw.Scope_id = sa.ZoneId 964 sa.raw.Addr = sa.Addr 965 return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil 966 } 967 968 type RawSockaddrUnix struct { 969 Family uint16 970 Path [UNIX_PATH_MAX]int8 971 } 972 973 type SockaddrUnix struct { 974 Name string 975 raw RawSockaddrUnix 976 } 977 978 func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, int32, error) { 979 name := sa.Name 980 n := len(name) 981 if n > len(sa.raw.Path) { 982 return nil, 0, syscall.EINVAL 983 } 984 if n == len(sa.raw.Path) && name[0] != '@' { 985 return nil, 0, syscall.EINVAL 986 } 987 sa.raw.Family = AF_UNIX 988 for i := 0; i < n; i++ { 989 sa.raw.Path[i] = int8(name[i]) 990 } 991 // length is family (uint16), name, NUL. 992 sl := int32(2) 993 if n > 0 { 994 sl += int32(n) + 1 995 } 996 if sa.raw.Path[0] == '@' || (sa.raw.Path[0] == 0 && sl > 3) { 997 // Check sl > 3 so we don't change unnamed socket behavior. 998 sa.raw.Path[0] = 0 999 // Don't count trailing NUL for abstract address. 1000 sl-- 1001 } 1002 1003 return unsafe.Pointer(&sa.raw), sl, nil 1004 } 1005 1006 type RawSockaddrBth struct { 1007 AddressFamily [2]byte 1008 BtAddr [8]byte 1009 ServiceClassId [16]byte 1010 Port [4]byte 1011 } 1012 1013 type SockaddrBth struct { 1014 BtAddr uint64 1015 ServiceClassId GUID 1016 Port uint32 1017 1018 raw RawSockaddrBth 1019 } 1020 1021 func (sa *SockaddrBth) sockaddr() (unsafe.Pointer, int32, error) { 1022 family := AF_BTH 1023 sa.raw = RawSockaddrBth{ 1024 AddressFamily: *(*[2]byte)(unsafe.Pointer(&family)), 1025 BtAddr: *(*[8]byte)(unsafe.Pointer(&sa.BtAddr)), 1026 Port: *(*[4]byte)(unsafe.Pointer(&sa.Port)), 1027 ServiceClassId: *(*[16]byte)(unsafe.Pointer(&sa.ServiceClassId)), 1028 } 1029 return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil 1030 } 1031 1032 func (rsa *RawSockaddrAny) Sockaddr() (Sockaddr, error) { 1033 switch rsa.Addr.Family { 1034 case AF_UNIX: 1035 pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa)) 1036 sa := new(SockaddrUnix) 1037 if pp.Path[0] == 0 { 1038 // "Abstract" Unix domain socket. 1039 // Rewrite leading NUL as @ for textual display. 1040 // (This is the standard convention.) 1041 // Not friendly to overwrite in place, 1042 // but the callers below don't care. 1043 pp.Path[0] = '@' 1044 } 1045 1046 // Assume path ends at NUL. 1047 // This is not technically the Linux semantics for 1048 // abstract Unix domain sockets--they are supposed 1049 // to be uninterpreted fixed-size binary blobs--but 1050 // everyone uses this convention. 1051 n := 0 1052 for n < len(pp.Path) && pp.Path[n] != 0 { 1053 n++ 1054 } 1055 sa.Name = string(unsafe.Slice((*byte)(unsafe.Pointer(&pp.Path[0])), n)) 1056 return sa, nil 1057 1058 case AF_INET: 1059 pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa)) 1060 sa := new(SockaddrInet4) 1061 p := (*[2]byte)(unsafe.Pointer(&pp.Port)) 1062 sa.Port = int(p[0])<<8 + int(p[1]) 1063 sa.Addr = pp.Addr 1064 return sa, nil 1065 1066 case AF_INET6: 1067 pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa)) 1068 sa := new(SockaddrInet6) 1069 p := (*[2]byte)(unsafe.Pointer(&pp.Port)) 1070 sa.Port = int(p[0])<<8 + int(p[1]) 1071 sa.ZoneId = pp.Scope_id 1072 sa.Addr = pp.Addr 1073 return sa, nil 1074 } 1075 return nil, syscall.EAFNOSUPPORT 1076 } 1077 1078 func Socket(domain, typ, proto int) (fd Handle, err error) { 1079 if domain == AF_INET6 && SocketDisableIPv6 { 1080 return InvalidHandle, syscall.EAFNOSUPPORT 1081 } 1082 return socket(int32(domain), int32(typ), int32(proto)) 1083 } 1084 1085 func SetsockoptInt(fd Handle, level, opt int, value int) (err error) { 1086 v := int32(value) 1087 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&v)), int32(unsafe.Sizeof(v))) 1088 } 1089 1090 func Bind(fd Handle, sa Sockaddr) (err error) { 1091 ptr, n, err := sa.sockaddr() 1092 if err != nil { 1093 return err 1094 } 1095 return bind(fd, ptr, n) 1096 } 1097 1098 func Connect(fd Handle, sa Sockaddr) (err error) { 1099 ptr, n, err := sa.sockaddr() 1100 if err != nil { 1101 return err 1102 } 1103 return connect(fd, ptr, n) 1104 } 1105 1106 func GetBestInterfaceEx(sa Sockaddr, pdwBestIfIndex *uint32) (err error) { 1107 ptr, _, err := sa.sockaddr() 1108 if err != nil { 1109 return err 1110 } 1111 return getBestInterfaceEx(ptr, pdwBestIfIndex) 1112 } 1113 1114 func Getsockname(fd Handle) (sa Sockaddr, err error) { 1115 var rsa RawSockaddrAny 1116 l := int32(unsafe.Sizeof(rsa)) 1117 if err = getsockname(fd, &rsa, &l); err != nil { 1118 return 1119 } 1120 return rsa.Sockaddr() 1121 } 1122 1123 func Getpeername(fd Handle) (sa Sockaddr, err error) { 1124 var rsa RawSockaddrAny 1125 l := int32(unsafe.Sizeof(rsa)) 1126 if err = getpeername(fd, &rsa, &l); err != nil { 1127 return 1128 } 1129 return rsa.Sockaddr() 1130 } 1131 1132 func Listen(s Handle, n int) (err error) { 1133 return listen(s, int32(n)) 1134 } 1135 1136 func Shutdown(fd Handle, how int) (err error) { 1137 return shutdown(fd, int32(how)) 1138 } 1139 1140 func WSASendto(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, to Sockaddr, overlapped *Overlapped, croutine *byte) (err error) { 1141 var rsa unsafe.Pointer 1142 var l int32 1143 if to != nil { 1144 rsa, l, err = to.sockaddr() 1145 if err != nil { 1146 return err 1147 } 1148 } 1149 return WSASendTo(s, bufs, bufcnt, sent, flags, (*RawSockaddrAny)(unsafe.Pointer(rsa)), l, overlapped, croutine) 1150 } 1151 1152 func LoadGetAddrInfo() error { 1153 return procGetAddrInfoW.Find() 1154 } 1155 1156 var connectExFunc struct { 1157 once sync.Once 1158 addr uintptr 1159 err error 1160 } 1161 1162 func LoadConnectEx() error { 1163 connectExFunc.once.Do(func() { 1164 var s Handle 1165 s, connectExFunc.err = Socket(AF_INET, SOCK_STREAM, IPPROTO_TCP) 1166 if connectExFunc.err != nil { 1167 return 1168 } 1169 defer CloseHandle(s) 1170 var n uint32 1171 connectExFunc.err = WSAIoctl(s, 1172 SIO_GET_EXTENSION_FUNCTION_POINTER, 1173 (*byte)(unsafe.Pointer(&WSAID_CONNECTEX)), 1174 uint32(unsafe.Sizeof(WSAID_CONNECTEX)), 1175 (*byte)(unsafe.Pointer(&connectExFunc.addr)), 1176 uint32(unsafe.Sizeof(connectExFunc.addr)), 1177 &n, nil, 0) 1178 }) 1179 return connectExFunc.err 1180 } 1181 1182 func connectEx(s Handle, name unsafe.Pointer, namelen int32, sendBuf *byte, sendDataLen uint32, bytesSent *uint32, overlapped *Overlapped) (err error) { 1183 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) 1184 if r1 == 0 { 1185 if e1 != 0 { 1186 err = error(e1) 1187 } else { 1188 err = syscall.EINVAL 1189 } 1190 } 1191 return 1192 } 1193 1194 func ConnectEx(fd Handle, sa Sockaddr, sendBuf *byte, sendDataLen uint32, bytesSent *uint32, overlapped *Overlapped) error { 1195 err := LoadConnectEx() 1196 if err != nil { 1197 return errorspkg.New("failed to find ConnectEx: " + err.Error()) 1198 } 1199 ptr, n, err := sa.sockaddr() 1200 if err != nil { 1201 return err 1202 } 1203 return connectEx(fd, ptr, n, sendBuf, sendDataLen, bytesSent, overlapped) 1204 } 1205 1206 var sendRecvMsgFunc struct { 1207 once sync.Once 1208 sendAddr uintptr 1209 recvAddr uintptr 1210 err error 1211 } 1212 1213 func loadWSASendRecvMsg() error { 1214 sendRecvMsgFunc.once.Do(func() { 1215 var s Handle 1216 s, sendRecvMsgFunc.err = Socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP) 1217 if sendRecvMsgFunc.err != nil { 1218 return 1219 } 1220 defer CloseHandle(s) 1221 var n uint32 1222 sendRecvMsgFunc.err = WSAIoctl(s, 1223 SIO_GET_EXTENSION_FUNCTION_POINTER, 1224 (*byte)(unsafe.Pointer(&WSAID_WSARECVMSG)), 1225 uint32(unsafe.Sizeof(WSAID_WSARECVMSG)), 1226 (*byte)(unsafe.Pointer(&sendRecvMsgFunc.recvAddr)), 1227 uint32(unsafe.Sizeof(sendRecvMsgFunc.recvAddr)), 1228 &n, nil, 0) 1229 if sendRecvMsgFunc.err != nil { 1230 return 1231 } 1232 sendRecvMsgFunc.err = WSAIoctl(s, 1233 SIO_GET_EXTENSION_FUNCTION_POINTER, 1234 (*byte)(unsafe.Pointer(&WSAID_WSASENDMSG)), 1235 uint32(unsafe.Sizeof(WSAID_WSASENDMSG)), 1236 (*byte)(unsafe.Pointer(&sendRecvMsgFunc.sendAddr)), 1237 uint32(unsafe.Sizeof(sendRecvMsgFunc.sendAddr)), 1238 &n, nil, 0) 1239 }) 1240 return sendRecvMsgFunc.err 1241 } 1242 1243 func WSASendMsg(fd Handle, msg *WSAMsg, flags uint32, bytesSent *uint32, overlapped *Overlapped, croutine *byte) error { 1244 err := loadWSASendRecvMsg() 1245 if err != nil { 1246 return err 1247 } 1248 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))) 1249 if r1 == socket_error { 1250 err = errnoErr(e1) 1251 } 1252 return err 1253 } 1254 1255 func WSARecvMsg(fd Handle, msg *WSAMsg, bytesReceived *uint32, overlapped *Overlapped, croutine *byte) error { 1256 err := loadWSASendRecvMsg() 1257 if err != nil { 1258 return err 1259 } 1260 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) 1261 if r1 == socket_error { 1262 err = errnoErr(e1) 1263 } 1264 return err 1265 } 1266 1267 // Invented structures to support what package os expects. 1268 type Rusage struct { 1269 CreationTime Filetime 1270 ExitTime Filetime 1271 KernelTime Filetime 1272 UserTime Filetime 1273 } 1274 1275 type WaitStatus struct { 1276 ExitCode uint32 1277 } 1278 1279 func (w WaitStatus) Exited() bool { return true } 1280 1281 func (w WaitStatus) ExitStatus() int { return int(w.ExitCode) } 1282 1283 func (w WaitStatus) Signal() Signal { return -1 } 1284 1285 func (w WaitStatus) CoreDump() bool { return false } 1286 1287 func (w WaitStatus) Stopped() bool { return false } 1288 1289 func (w WaitStatus) Continued() bool { return false } 1290 1291 func (w WaitStatus) StopSignal() Signal { return -1 } 1292 1293 func (w WaitStatus) Signaled() bool { return false } 1294 1295 func (w WaitStatus) TrapCause() int { return -1 } 1296 1297 // Timespec is an invented structure on Windows, but here for 1298 // consistency with the corresponding package for other operating systems. 1299 type Timespec struct { 1300 Sec int64 1301 Nsec int64 1302 } 1303 1304 func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } 1305 1306 func NsecToTimespec(nsec int64) (ts Timespec) { 1307 ts.Sec = nsec / 1e9 1308 ts.Nsec = nsec % 1e9 1309 return 1310 } 1311 1312 // TODO(brainman): fix all needed for net 1313 1314 func Accept(fd Handle) (nfd Handle, sa Sockaddr, err error) { return 0, nil, syscall.EWINDOWS } 1315 1316 func Recvfrom(fd Handle, p []byte, flags int) (n int, from Sockaddr, err error) { 1317 var rsa RawSockaddrAny 1318 l := int32(unsafe.Sizeof(rsa)) 1319 n32, err := recvfrom(fd, p, int32(flags), &rsa, &l) 1320 n = int(n32) 1321 if err != nil { 1322 return 1323 } 1324 from, err = rsa.Sockaddr() 1325 return 1326 } 1327 1328 func Sendto(fd Handle, p []byte, flags int, to Sockaddr) (err error) { 1329 ptr, l, err := to.sockaddr() 1330 if err != nil { 1331 return err 1332 } 1333 return sendto(fd, p, int32(flags), ptr, l) 1334 } 1335 1336 func SetsockoptTimeval(fd Handle, level, opt int, tv *Timeval) (err error) { return syscall.EWINDOWS } 1337 1338 // The Linger struct is wrong but we only noticed after Go 1. 1339 // sysLinger is the real system call structure. 1340 1341 // BUG(brainman): The definition of Linger is not appropriate for direct use 1342 // with Setsockopt and Getsockopt. 1343 // Use SetsockoptLinger instead. 1344 1345 type Linger struct { 1346 Onoff int32 1347 Linger int32 1348 } 1349 1350 type sysLinger struct { 1351 Onoff uint16 1352 Linger uint16 1353 } 1354 1355 type IPMreq struct { 1356 Multiaddr [4]byte /* in_addr */ 1357 Interface [4]byte /* in_addr */ 1358 } 1359 1360 type IPv6Mreq struct { 1361 Multiaddr [16]byte /* in6_addr */ 1362 Interface uint32 1363 } 1364 1365 func GetsockoptInt(fd Handle, level, opt int) (int, error) { 1366 v := int32(0) 1367 l := int32(unsafe.Sizeof(v)) 1368 err := Getsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&v)), &l) 1369 return int(v), err 1370 } 1371 1372 func SetsockoptLinger(fd Handle, level, opt int, l *Linger) (err error) { 1373 sys := sysLinger{Onoff: uint16(l.Onoff), Linger: uint16(l.Linger)} 1374 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&sys)), int32(unsafe.Sizeof(sys))) 1375 } 1376 1377 func SetsockoptInet4Addr(fd Handle, level, opt int, value [4]byte) (err error) { 1378 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&value[0])), 4) 1379 } 1380 1381 func SetsockoptIPMreq(fd Handle, level, opt int, mreq *IPMreq) (err error) { 1382 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(mreq)), int32(unsafe.Sizeof(*mreq))) 1383 } 1384 1385 func SetsockoptIPv6Mreq(fd Handle, level, opt int, mreq *IPv6Mreq) (err error) { 1386 return syscall.EWINDOWS 1387 } 1388 1389 func EnumProcesses(processIds []uint32, bytesReturned *uint32) error { 1390 // EnumProcesses syscall expects the size parameter to be in bytes, but the code generated with mksyscall uses 1391 // the length of the processIds slice instead. Hence, this wrapper function is added to fix the discrepancy. 1392 var p *uint32 1393 if len(processIds) > 0 { 1394 p = &processIds[0] 1395 } 1396 size := uint32(len(processIds) * 4) 1397 return enumProcesses(p, size, bytesReturned) 1398 } 1399 1400 func Getpid() (pid int) { return int(GetCurrentProcessId()) } 1401 1402 func FindFirstFile(name *uint16, data *Win32finddata) (handle Handle, err error) { 1403 // NOTE(rsc): The Win32finddata struct is wrong for the system call: 1404 // the two paths are each one uint16 short. Use the correct struct, 1405 // a win32finddata1, and then copy the results out. 1406 // There is no loss of expressivity here, because the final 1407 // uint16, if it is used, is supposed to be a NUL, and Go doesn't need that. 1408 // For Go 1.1, we might avoid the allocation of win32finddata1 here 1409 // by adding a final Bug [2]uint16 field to the struct and then 1410 // adjusting the fields in the result directly. 1411 var data1 win32finddata1 1412 handle, err = findFirstFile1(name, &data1) 1413 if err == nil { 1414 copyFindData(data, &data1) 1415 } 1416 return 1417 } 1418 1419 func FindNextFile(handle Handle, data *Win32finddata) (err error) { 1420 var data1 win32finddata1 1421 err = findNextFile1(handle, &data1) 1422 if err == nil { 1423 copyFindData(data, &data1) 1424 } 1425 return 1426 } 1427 1428 func getProcessEntry(pid int) (*ProcessEntry32, error) { 1429 snapshot, err := CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0) 1430 if err != nil { 1431 return nil, err 1432 } 1433 defer CloseHandle(snapshot) 1434 var procEntry ProcessEntry32 1435 procEntry.Size = uint32(unsafe.Sizeof(procEntry)) 1436 if err = Process32First(snapshot, &procEntry); err != nil { 1437 return nil, err 1438 } 1439 for { 1440 if procEntry.ProcessID == uint32(pid) { 1441 return &procEntry, nil 1442 } 1443 err = Process32Next(snapshot, &procEntry) 1444 if err != nil { 1445 return nil, err 1446 } 1447 } 1448 } 1449 1450 func Getppid() (ppid int) { 1451 pe, err := getProcessEntry(Getpid()) 1452 if err != nil { 1453 return -1 1454 } 1455 return int(pe.ParentProcessID) 1456 } 1457 1458 // TODO(brainman): fix all needed for os 1459 func Fchdir(fd Handle) (err error) { return syscall.EWINDOWS } 1460 func Link(oldpath, newpath string) (err error) { return syscall.EWINDOWS } 1461 func Symlink(path, link string) (err error) { return syscall.EWINDOWS } 1462 1463 func Fchmod(fd Handle, mode uint32) (err error) { return syscall.EWINDOWS } 1464 func Chown(path string, uid int, gid int) (err error) { return syscall.EWINDOWS } 1465 func Lchown(path string, uid int, gid int) (err error) { return syscall.EWINDOWS } 1466 func Fchown(fd Handle, uid int, gid int) (err error) { return syscall.EWINDOWS } 1467 1468 func Getuid() (uid int) { return -1 } 1469 func Geteuid() (euid int) { return -1 } 1470 func Getgid() (gid int) { return -1 } 1471 func Getegid() (egid int) { return -1 } 1472 func Getgroups() (gids []int, err error) { return nil, syscall.EWINDOWS } 1473 1474 type Signal int 1475 1476 func (s Signal) Signal() {} 1477 1478 func (s Signal) String() string { 1479 if 0 <= s && int(s) < len(signals) { 1480 str := signals[s] 1481 if str != "" { 1482 return str 1483 } 1484 } 1485 return "signal " + itoa(int(s)) 1486 } 1487 1488 func LoadCreateSymbolicLink() error { 1489 return procCreateSymbolicLinkW.Find() 1490 } 1491 1492 // Readlink returns the destination of the named symbolic link. 1493 func Readlink(path string, buf []byte) (n int, err error) { 1494 fd, err := CreateFile(StringToUTF16Ptr(path), GENERIC_READ, 0, nil, OPEN_EXISTING, 1495 FILE_FLAG_OPEN_REPARSE_POINT|FILE_FLAG_BACKUP_SEMANTICS, 0) 1496 if err != nil { 1497 return -1, err 1498 } 1499 defer CloseHandle(fd) 1500 1501 rdbbuf := make([]byte, MAXIMUM_REPARSE_DATA_BUFFER_SIZE) 1502 var bytesReturned uint32 1503 err = DeviceIoControl(fd, FSCTL_GET_REPARSE_POINT, nil, 0, &rdbbuf[0], uint32(len(rdbbuf)), &bytesReturned, nil) 1504 if err != nil { 1505 return -1, err 1506 } 1507 1508 rdb := (*reparseDataBuffer)(unsafe.Pointer(&rdbbuf[0])) 1509 var s string 1510 switch rdb.ReparseTag { 1511 case IO_REPARSE_TAG_SYMLINK: 1512 data := (*symbolicLinkReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer)) 1513 p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0])) 1514 s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2]) 1515 case IO_REPARSE_TAG_MOUNT_POINT: 1516 data := (*mountPointReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer)) 1517 p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0])) 1518 s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2]) 1519 default: 1520 // the path is not a symlink or junction but another type of reparse 1521 // point 1522 return -1, syscall.ENOENT 1523 } 1524 n = copy(buf, []byte(s)) 1525 1526 return n, nil 1527 } 1528 1529 // GUIDFromString parses a string in the form of 1530 // "{XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}" into a GUID. 1531 func GUIDFromString(str string) (GUID, error) { 1532 guid := GUID{} 1533 str16, err := syscall.UTF16PtrFromString(str) 1534 if err != nil { 1535 return guid, err 1536 } 1537 err = clsidFromString(str16, &guid) 1538 if err != nil { 1539 return guid, err 1540 } 1541 return guid, nil 1542 } 1543 1544 // GenerateGUID creates a new random GUID. 1545 func GenerateGUID() (GUID, error) { 1546 guid := GUID{} 1547 err := coCreateGuid(&guid) 1548 if err != nil { 1549 return guid, err 1550 } 1551 return guid, nil 1552 } 1553 1554 // String returns the canonical string form of the GUID, 1555 // in the form of "{XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}". 1556 func (guid GUID) String() string { 1557 var str [100]uint16 1558 chars := stringFromGUID2(&guid, &str[0], int32(len(str))) 1559 if chars <= 1 { 1560 return "" 1561 } 1562 return string(utf16.Decode(str[:chars-1])) 1563 } 1564 1565 // KnownFolderPath returns a well-known folder path for the current user, specified by one of 1566 // the FOLDERID_ constants, and chosen and optionally created based on a KF_ flag. 1567 func KnownFolderPath(folderID *KNOWNFOLDERID, flags uint32) (string, error) { 1568 return Token(0).KnownFolderPath(folderID, flags) 1569 } 1570 1571 // KnownFolderPath returns a well-known folder path for the user token, specified by one of 1572 // the FOLDERID_ constants, and chosen and optionally created based on a KF_ flag. 1573 func (t Token) KnownFolderPath(folderID *KNOWNFOLDERID, flags uint32) (string, error) { 1574 var p *uint16 1575 err := shGetKnownFolderPath(folderID, flags, t, &p) 1576 if err != nil { 1577 return "", err 1578 } 1579 defer CoTaskMemFree(unsafe.Pointer(p)) 1580 return UTF16PtrToString(p), nil 1581 } 1582 1583 // RtlGetVersion returns the version of the underlying operating system, ignoring 1584 // manifest semantics but is affected by the application compatibility layer. 1585 func RtlGetVersion() *OsVersionInfoEx { 1586 info := &OsVersionInfoEx{} 1587 info.osVersionInfoSize = uint32(unsafe.Sizeof(*info)) 1588 // According to documentation, this function always succeeds. 1589 // The function doesn't even check the validity of the 1590 // osVersionInfoSize member. Disassembling ntdll.dll indicates 1591 // that the documentation is indeed correct about that. 1592 _ = rtlGetVersion(info) 1593 return info 1594 } 1595 1596 // RtlGetNtVersionNumbers returns the version of the underlying operating system, 1597 // ignoring manifest semantics and the application compatibility layer. 1598 func RtlGetNtVersionNumbers() (majorVersion, minorVersion, buildNumber uint32) { 1599 rtlGetNtVersionNumbers(&majorVersion, &minorVersion, &buildNumber) 1600 buildNumber &= 0xffff 1601 return 1602 } 1603 1604 // GetProcessPreferredUILanguages retrieves the process preferred UI languages. 1605 func GetProcessPreferredUILanguages(flags uint32) ([]string, error) { 1606 return getUILanguages(flags, getProcessPreferredUILanguages) 1607 } 1608 1609 // GetThreadPreferredUILanguages retrieves the thread preferred UI languages for the current thread. 1610 func GetThreadPreferredUILanguages(flags uint32) ([]string, error) { 1611 return getUILanguages(flags, getThreadPreferredUILanguages) 1612 } 1613 1614 // GetUserPreferredUILanguages retrieves information about the user preferred UI languages. 1615 func GetUserPreferredUILanguages(flags uint32) ([]string, error) { 1616 return getUILanguages(flags, getUserPreferredUILanguages) 1617 } 1618 1619 // GetSystemPreferredUILanguages retrieves the system preferred UI languages. 1620 func GetSystemPreferredUILanguages(flags uint32) ([]string, error) { 1621 return getUILanguages(flags, getSystemPreferredUILanguages) 1622 } 1623 1624 func getUILanguages(flags uint32, f func(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) error) ([]string, error) { 1625 size := uint32(128) 1626 for { 1627 var numLanguages uint32 1628 buf := make([]uint16, size) 1629 err := f(flags, &numLanguages, &buf[0], &size) 1630 if err == ERROR_INSUFFICIENT_BUFFER { 1631 continue 1632 } 1633 if err != nil { 1634 return nil, err 1635 } 1636 buf = buf[:size] 1637 if numLanguages == 0 || len(buf) == 0 { // GetProcessPreferredUILanguages may return numLanguages==0 with "\0\0" 1638 return []string{}, nil 1639 } 1640 if buf[len(buf)-1] == 0 { 1641 buf = buf[:len(buf)-1] // remove terminating null 1642 } 1643 languages := make([]string, 0, numLanguages) 1644 from := 0 1645 for i, c := range buf { 1646 if c == 0 { 1647 languages = append(languages, string(utf16.Decode(buf[from:i]))) 1648 from = i + 1 1649 } 1650 } 1651 return languages, nil 1652 } 1653 } 1654 1655 func SetConsoleCursorPosition(console Handle, position Coord) error { 1656 return setConsoleCursorPosition(console, *((*uint32)(unsafe.Pointer(&position)))) 1657 } 1658 1659 func GetStartupInfo(startupInfo *StartupInfo) error { 1660 getStartupInfo(startupInfo) 1661 return nil 1662 } 1663 1664 func (s NTStatus) Errno() syscall.Errno { 1665 return rtlNtStatusToDosErrorNoTeb(s) 1666 } 1667 1668 func langID(pri, sub uint16) uint32 { return uint32(sub)<<10 | uint32(pri) } 1669 1670 func (s NTStatus) Error() string { 1671 b := make([]uint16, 300) 1672 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) 1673 if err != nil { 1674 return fmt.Sprintf("NTSTATUS 0x%08x", uint32(s)) 1675 } 1676 // trim terminating \r and \n 1677 for ; n > 0 && (b[n-1] == '\n' || b[n-1] == '\r'); n-- { 1678 } 1679 return string(utf16.Decode(b[:n])) 1680 } 1681 1682 // NewNTUnicodeString returns a new NTUnicodeString structure for use with native 1683 // NT APIs that work over the NTUnicodeString type. Note that most Windows APIs 1684 // do not use NTUnicodeString, and instead UTF16PtrFromString should be used for 1685 // the more common *uint16 string type. 1686 func NewNTUnicodeString(s string) (*NTUnicodeString, error) { 1687 s16, err := UTF16FromString(s) 1688 if err != nil { 1689 return nil, err 1690 } 1691 n := uint16(len(s16) * 2) 1692 return &NTUnicodeString{ 1693 Length: n - 2, // subtract 2 bytes for the NULL terminator 1694 MaximumLength: n, 1695 Buffer: &s16[0], 1696 }, nil 1697 } 1698 1699 // Slice returns a uint16 slice that aliases the data in the NTUnicodeString. 1700 func (s *NTUnicodeString) Slice() []uint16 { 1701 slice := unsafe.Slice(s.Buffer, s.MaximumLength) 1702 return slice[:s.Length] 1703 } 1704 1705 func (s *NTUnicodeString) String() string { 1706 return UTF16ToString(s.Slice()) 1707 } 1708 1709 // NewNTString returns a new NTString structure for use with native 1710 // NT APIs that work over the NTString type. Note that most Windows APIs 1711 // do not use NTString, and instead UTF16PtrFromString should be used for 1712 // the more common *uint16 string type. 1713 func NewNTString(s string) (*NTString, error) { 1714 var nts NTString 1715 s8, err := BytePtrFromString(s) 1716 if err != nil { 1717 return nil, err 1718 } 1719 RtlInitString(&nts, s8) 1720 return &nts, nil 1721 } 1722 1723 // Slice returns a byte slice that aliases the data in the NTString. 1724 func (s *NTString) Slice() []byte { 1725 slice := unsafe.Slice(s.Buffer, s.MaximumLength) 1726 return slice[:s.Length] 1727 } 1728 1729 func (s *NTString) String() string { 1730 return ByteSliceToString(s.Slice()) 1731 } 1732 1733 // FindResource resolves a resource of the given name and resource type. 1734 func FindResource(module Handle, name, resType ResourceIDOrString) (Handle, error) { 1735 var namePtr, resTypePtr uintptr 1736 var name16, resType16 *uint16 1737 var err error 1738 resolvePtr := func(i interface{}, keep **uint16) (uintptr, error) { 1739 switch v := i.(type) { 1740 case string: 1741 *keep, err = UTF16PtrFromString(v) 1742 if err != nil { 1743 return 0, err 1744 } 1745 return uintptr(unsafe.Pointer(*keep)), nil 1746 case ResourceID: 1747 return uintptr(v), nil 1748 } 1749 return 0, errorspkg.New("parameter must be a ResourceID or a string") 1750 } 1751 namePtr, err = resolvePtr(name, &name16) 1752 if err != nil { 1753 return 0, err 1754 } 1755 resTypePtr, err = resolvePtr(resType, &resType16) 1756 if err != nil { 1757 return 0, err 1758 } 1759 resInfo, err := findResource(module, namePtr, resTypePtr) 1760 runtime.KeepAlive(name16) 1761 runtime.KeepAlive(resType16) 1762 return resInfo, err 1763 } 1764 1765 func LoadResourceData(module, resInfo Handle) (data []byte, err error) { 1766 size, err := SizeofResource(module, resInfo) 1767 if err != nil { 1768 return 1769 } 1770 resData, err := LoadResource(module, resInfo) 1771 if err != nil { 1772 return 1773 } 1774 ptr, err := LockResource(resData) 1775 if err != nil { 1776 return 1777 } 1778 data = unsafe.Slice((*byte)(unsafe.Pointer(ptr)), size) 1779 return 1780 } 1781 1782 // PSAPI_WORKING_SET_EX_BLOCK contains extended working set information for a page. 1783 type PSAPI_WORKING_SET_EX_BLOCK uint64 1784 1785 // Valid returns the validity of this page. 1786 // If this bit is 1, the subsequent members are valid; otherwise they should be ignored. 1787 func (b PSAPI_WORKING_SET_EX_BLOCK) Valid() bool { 1788 return (b & 1) == 1 1789 } 1790 1791 // ShareCount is the number of processes that share this page. The maximum value of this member is 7. 1792 func (b PSAPI_WORKING_SET_EX_BLOCK) ShareCount() uint64 { 1793 return b.intField(1, 3) 1794 } 1795 1796 // Win32Protection is the memory protection attributes of the page. For a list of values, see 1797 // https://docs.microsoft.com/en-us/windows/win32/memory/memory-protection-constants 1798 func (b PSAPI_WORKING_SET_EX_BLOCK) Win32Protection() uint64 { 1799 return b.intField(4, 11) 1800 } 1801 1802 // Shared returns the shared status of this page. 1803 // If this bit is 1, the page can be shared. 1804 func (b PSAPI_WORKING_SET_EX_BLOCK) Shared() bool { 1805 return (b & (1 << 15)) == 1 1806 } 1807 1808 // Node is the NUMA node. The maximum value of this member is 63. 1809 func (b PSAPI_WORKING_SET_EX_BLOCK) Node() uint64 { 1810 return b.intField(16, 6) 1811 } 1812 1813 // Locked returns the locked status of this page. 1814 // If this bit is 1, the virtual page is locked in physical memory. 1815 func (b PSAPI_WORKING_SET_EX_BLOCK) Locked() bool { 1816 return (b & (1 << 22)) == 1 1817 } 1818 1819 // LargePage returns the large page status of this page. 1820 // If this bit is 1, the page is a large page. 1821 func (b PSAPI_WORKING_SET_EX_BLOCK) LargePage() bool { 1822 return (b & (1 << 23)) == 1 1823 } 1824 1825 // Bad returns the bad status of this page. 1826 // If this bit is 1, the page is has been reported as bad. 1827 func (b PSAPI_WORKING_SET_EX_BLOCK) Bad() bool { 1828 return (b & (1 << 31)) == 1 1829 } 1830 1831 // intField extracts an integer field in the PSAPI_WORKING_SET_EX_BLOCK union. 1832 func (b PSAPI_WORKING_SET_EX_BLOCK) intField(start, length int) uint64 { 1833 var mask PSAPI_WORKING_SET_EX_BLOCK 1834 for pos := start; pos < start+length; pos++ { 1835 mask |= (1 << pos) 1836 } 1837 1838 masked := b & mask 1839 return uint64(masked >> start) 1840 } 1841 1842 // PSAPI_WORKING_SET_EX_INFORMATION contains extended working set information for a process. 1843 type PSAPI_WORKING_SET_EX_INFORMATION struct { 1844 // The virtual address. 1845 VirtualAddress Pointer 1846 // A PSAPI_WORKING_SET_EX_BLOCK union that indicates the attributes of the page at VirtualAddress. 1847 VirtualAttributes PSAPI_WORKING_SET_EX_BLOCK 1848 } 1849 1850 // CreatePseudoConsole creates a windows pseudo console. 1851 func CreatePseudoConsole(size Coord, in Handle, out Handle, flags uint32, pconsole *Handle) error { 1852 // We need this wrapper to manually cast Coord to uint32. The autogenerated wrappers only 1853 // accept arguments that can be casted to uintptr, and Coord can't. 1854 return createPseudoConsole(*((*uint32)(unsafe.Pointer(&size))), in, out, flags, pconsole) 1855 } 1856 1857 // ResizePseudoConsole resizes the internal buffers of the pseudo console to the width and height specified in `size`. 1858 func ResizePseudoConsole(pconsole Handle, size Coord) error { 1859 // We need this wrapper to manually cast Coord to uint32. The autogenerated wrappers only 1860 // accept arguments that can be casted to uintptr, and Coord can't. 1861 return resizePseudoConsole(pconsole, *((*uint32)(unsafe.Pointer(&size)))) 1862 } 1863 1864 // DCB constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/ns-winbase-dcb. 1865 const ( 1866 CBR_110 = 110 1867 CBR_300 = 300 1868 CBR_600 = 600 1869 CBR_1200 = 1200 1870 CBR_2400 = 2400 1871 CBR_4800 = 4800 1872 CBR_9600 = 9600 1873 CBR_14400 = 14400 1874 CBR_19200 = 19200 1875 CBR_38400 = 38400 1876 CBR_57600 = 57600 1877 CBR_115200 = 115200 1878 CBR_128000 = 128000 1879 CBR_256000 = 256000 1880 1881 DTR_CONTROL_DISABLE = 0x00000000 1882 DTR_CONTROL_ENABLE = 0x00000010 1883 DTR_CONTROL_HANDSHAKE = 0x00000020 1884 1885 RTS_CONTROL_DISABLE = 0x00000000 1886 RTS_CONTROL_ENABLE = 0x00001000 1887 RTS_CONTROL_HANDSHAKE = 0x00002000 1888 RTS_CONTROL_TOGGLE = 0x00003000 1889 1890 NOPARITY = 0 1891 ODDPARITY = 1 1892 EVENPARITY = 2 1893 MARKPARITY = 3 1894 SPACEPARITY = 4 1895 1896 ONESTOPBIT = 0 1897 ONE5STOPBITS = 1 1898 TWOSTOPBITS = 2 1899 ) 1900 1901 // EscapeCommFunction constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-escapecommfunction. 1902 const ( 1903 SETXOFF = 1 1904 SETXON = 2 1905 SETRTS = 3 1906 CLRRTS = 4 1907 SETDTR = 5 1908 CLRDTR = 6 1909 SETBREAK = 8 1910 CLRBREAK = 9 1911 ) 1912 1913 // PurgeComm constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-purgecomm. 1914 const ( 1915 PURGE_TXABORT = 0x0001 1916 PURGE_RXABORT = 0x0002 1917 PURGE_TXCLEAR = 0x0004 1918 PURGE_RXCLEAR = 0x0008 1919 ) 1920 1921 // SetCommMask constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-setcommmask. 1922 const ( 1923 EV_RXCHAR = 0x0001 1924 EV_RXFLAG = 0x0002 1925 EV_TXEMPTY = 0x0004 1926 EV_CTS = 0x0008 1927 EV_DSR = 0x0010 1928 EV_RLSD = 0x0020 1929 EV_BREAK = 0x0040 1930 EV_ERR = 0x0080 1931 EV_RING = 0x0100 1932 ) 1933