~nskaggs/+junk/xenial-test

//go:generate go run $GOROOT/src/syscall/mksyscall_windows.go -output zsyscall_windows.go eventlog.go service.go syscall_windows.go security_windows.go

type Handle uintptr

const InvalidHandle = ^Handle(0)

// StringToUTF16 is deprecated. Use UTF16FromString instead.

// If s contains a NUL byte this function panics instead of

// returning an error.

func StringToUTF16(s string) []uint16 {

a, err := UTF16FromString(s)

if err != nil {

panic("windows: string with NUL passed to StringToUTF16")

}

return a

}

// UTF16FromString returns the UTF-16 encoding of the UTF-8 string

// s, with a terminating NUL added. If s contains a NUL byte at any

// location, it returns (nil, syscall.EINVAL).

func UTF16FromString(s string) ([]uint16, error) {

for i := 0; i < len(s); i++ {

if s[i] == 0 {

return nil, syscall.EINVAL

}

return utf16.Encode([]rune(s + "\x00")), nil

}

// UTF16ToString returns the UTF-8 encoding of the UTF-16 sequence s,

// with a terminating NUL removed.

func UTF16ToString(s []uint16) string {

for i, v := range s {

if v == 0 {

s = s[0:i]

break

}

return string(utf16.Decode(s))

}

// StringToUTF16Ptr is deprecated. Use UTF16PtrFromString instead.

// If s contains a NUL byte this function panics instead of

// returning an error.

func StringToUTF16Ptr(s string) *uint16 { return &StringToUTF16(s)[0] }

// UTF16PtrFromString returns pointer to the UTF-16 encoding of

// the UTF-8 string s, with a terminating NUL added. If s

// contains a NUL byte at any location, it returns (nil, syscall.EINVAL).

func UTF16PtrFromString(s string) (*uint16, error) {

a, err := UTF16FromString(s)

if err != nil {

return nil, err

}

return &a[0], nil

}

func Getpagesize() int { return 4096 }

// Converts a Go function to a function pointer conforming

// to the stdcall or cdecl calling convention. This is useful when

// interoperating with Windows code requiring callbacks.

// Implemented in runtime/syscall_windows.goc

func NewCallback(fn interface{}) uintptr

func NewCallbackCDecl(fn interface{}) uintptr

// windows api calls

//sys GetLastError() (lasterr error)

//sys LoadLibrary(libname string) (handle Handle, err error) = LoadLibraryW

//sys FreeLibrary(handle Handle) (err error)

//sys GetProcAddress(module Handle, procname string) (proc uintptr, err error)

//sys GetVersion() (ver uint32, err error)

//sys FormatMessage(flags uint32, msgsrc uint32, msgid uint32, langid uint32, buf []uint16, args *byte) (n uint32, err error) = FormatMessageW

//sys ExitProcess(exitcode uint32)

//sys CreateFile(name *uint16, access uint32, mode uint32, sa *SecurityAttributes, createmode uint32, attrs uint32, templatefile int32) (handle Handle, err error) [failretval==InvalidHandle] = CreateFileW

//sys ReadFile(handle Handle, buf []byte, done *uint32, overlapped *Overlapped) (err error)

//sys WriteFile(handle Handle, buf []byte, done *uint32, overlapped *Overlapped) (err error)

//sys SetFilePointer(handle Handle, lowoffset int32, highoffsetptr *int32, whence uint32) (newlowoffset uint32, err error) [failretval==0xffffffff]

//sys CloseHandle(handle Handle) (err error)

//sys GetStdHandle(stdhandle int) (handle Handle, err error) [failretval==InvalidHandle]

//sys findFirstFile1(name *uint16, data *win32finddata1) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstFileW

//sys findNextFile1(handle Handle, data *win32finddata1) (err error) = FindNextFileW

100

//sys FindClose(handle Handle) (err error)

101

//sys GetFileInformationByHandle(handle Handle, data *ByHandleFileInformation) (err error)

102

//sys GetCurrentDirectory(buflen uint32, buf *uint16) (n uint32, err error) = GetCurrentDirectoryW

103

//sys SetCurrentDirectory(path *uint16) (err error) = SetCurrentDirectoryW

104

//sys CreateDirectory(path *uint16, sa *SecurityAttributes) (err error) = CreateDirectoryW

105

//sys RemoveDirectory(path *uint16) (err error) = RemoveDirectoryW

106

//sys DeleteFile(path *uint16) (err error) = DeleteFileW

107

//sys MoveFile(from *uint16, to *uint16) (err error) = MoveFileW

108

//sys GetComputerName(buf *uint16, n *uint32) (err error) = GetComputerNameW

109

//sys GetComputerNameEx(nametype uint32, buf *uint16, n *uint32) (err error) = GetComputerNameExW

110

//sys SetEndOfFile(handle Handle) (err error)

111

//sys GetSystemTimeAsFileTime(time *Filetime)

112

//sys GetTimeZoneInformation(tzi *Timezoneinformation) (rc uint32, err error) [failretval==0xffffffff]

113

//sys CreateIoCompletionPort(filehandle Handle, cphandle Handle, key uint32, threadcnt uint32) (handle Handle, err error)

114

//sys GetQueuedCompletionStatus(cphandle Handle, qty *uint32, key *uint32, overlapped **Overlapped, timeout uint32) (err error)

115

//sys PostQueuedCompletionStatus(cphandle Handle, qty uint32, key uint32, overlapped *Overlapped) (err error)

116

//sys CancelIo(s Handle) (err error)

117

//sys CancelIoEx(s Handle, o *Overlapped) (err error)

118

//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

119

//sys OpenProcess(da uint32, inheritHandle bool, pid uint32) (handle Handle, err error)

120

//sys TerminateProcess(handle Handle, exitcode uint32) (err error)

121

//sys GetExitCodeProcess(handle Handle, exitcode *uint32) (err error)

122

//sys GetStartupInfo(startupInfo *StartupInfo) (err error) = GetStartupInfoW

123

//sys GetCurrentProcess() (pseudoHandle Handle, err error)

124

//sys GetProcessTimes(handle Handle, creationTime *Filetime, exitTime *Filetime, kernelTime *Filetime, userTime *Filetime) (err error)

125

//sys DuplicateHandle(hSourceProcessHandle Handle, hSourceHandle Handle, hTargetProcessHandle Handle, lpTargetHandle *Handle, dwDesiredAccess uint32, bInheritHandle bool, dwOptions uint32) (err error)

126

//sys WaitForSingleObject(handle Handle, waitMilliseconds uint32) (event uint32, err error) [failretval==0xffffffff]

127

//sys GetTempPath(buflen uint32, buf *uint16) (n uint32, err error) = GetTempPathW

128

//sys CreatePipe(readhandle *Handle, writehandle *Handle, sa *SecurityAttributes, size uint32) (err error)

129

//sys GetFileType(filehandle Handle) (n uint32, err error)

130

//sys CryptAcquireContext(provhandle *Handle, container *uint16, provider *uint16, provtype uint32, flags uint32) (err error) = advapi32.CryptAcquireContextW

131

//sys CryptReleaseContext(provhandle Handle, flags uint32) (err error) = advapi32.CryptReleaseContext

132

//sys CryptGenRandom(provhandle Handle, buflen uint32, buf *byte) (err error) = advapi32.CryptGenRandom

133

//sys GetEnvironmentStrings() (envs *uint16, err error) [failretval==nil] = kernel32.GetEnvironmentStringsW

134

//sys FreeEnvironmentStrings(envs *uint16) (err error) = kernel32.FreeEnvironmentStringsW

135

//sys GetEnvironmentVariable(name *uint16, buffer *uint16, size uint32) (n uint32, err error) = kernel32.GetEnvironmentVariableW

136

//sys SetEnvironmentVariable(name *uint16, value *uint16) (err error) = kernel32.SetEnvironmentVariableW

137

//sys SetFileTime(handle Handle, ctime *Filetime, atime *Filetime, wtime *Filetime) (err error)

138

//sys GetFileAttributes(name *uint16) (attrs uint32, err error) [failretval==INVALID_FILE_ATTRIBUTES] = kernel32.GetFileAttributesW

139

//sys SetFileAttributes(name *uint16, attrs uint32) (err error) = kernel32.SetFileAttributesW

140

//sys GetFileAttributesEx(name *uint16, level uint32, info *byte) (err error) = kernel32.GetFileAttributesExW

141

//sys GetCommandLine() (cmd *uint16) = kernel32.GetCommandLineW

142

//sys CommandLineToArgv(cmd *uint16, argc *int32) (argv *[8192]*[8192]uint16, err error) [failretval==nil] = shell32.CommandLineToArgvW

143

//sys LocalFree(hmem Handle) (handle Handle, err error) [failretval!=0]

144

//sys SetHandleInformation(handle Handle, mask uint32, flags uint32) (err error)

145

//sys FlushFileBuffers(handle Handle) (err error)

146

//sys GetFullPathName(path *uint16, buflen uint32, buf *uint16, fname **uint16) (n uint32, err error) = kernel32.GetFullPathNameW

147

//sys GetLongPathName(path *uint16, buf *uint16, buflen uint32) (n uint32, err error) = kernel32.GetLongPathNameW

148

//sys GetShortPathName(longpath *uint16, shortpath *uint16, buflen uint32) (n uint32, err error) = kernel32.GetShortPathNameW

149

//sys CreateFileMapping(fhandle Handle, sa *SecurityAttributes, prot uint32, maxSizeHigh uint32, maxSizeLow uint32, name *uint16) (handle Handle, err error) = kernel32.CreateFileMappingW

150

//sys MapViewOfFile(handle Handle, access uint32, offsetHigh uint32, offsetLow uint32, length uintptr) (addr uintptr, err error)

151

//sys UnmapViewOfFile(addr uintptr) (err error)

152

//sys FlushViewOfFile(addr uintptr, length uintptr) (err error)

153

//sys VirtualLock(addr uintptr, length uintptr) (err error)

154

//sys VirtualUnlock(addr uintptr, length uintptr) (err error)

155

//sys TransmitFile(s Handle, handle Handle, bytesToWrite uint32, bytsPerSend uint32, overlapped *Overlapped, transmitFileBuf *TransmitFileBuffers, flags uint32) (err error) = mswsock.TransmitFile

156

//sys ReadDirectoryChanges(handle Handle, buf *byte, buflen uint32, watchSubTree bool, mask uint32, retlen *uint32, overlapped *Overlapped, completionRoutine uintptr) (err error) = kernel32.ReadDirectoryChangesW

157

//sys CertOpenSystemStore(hprov Handle, name *uint16) (store Handle, err error) = crypt32.CertOpenSystemStoreW

158

//sys CertOpenStore(storeProvider uintptr, msgAndCertEncodingType uint32, cryptProv uintptr, flags uint32, para uintptr) (handle Handle, err error) [failretval==InvalidHandle] = crypt32.CertOpenStore

159

//sys CertEnumCertificatesInStore(store Handle, prevContext *CertContext) (context *CertContext, err error) [failretval==nil] = crypt32.CertEnumCertificatesInStore

160

//sys CertAddCertificateContextToStore(store Handle, certContext *CertContext, addDisposition uint32, storeContext **CertContext) (err error) = crypt32.CertAddCertificateContextToStore

161

//sys CertCloseStore(store Handle, flags uint32) (err error) = crypt32.CertCloseStore

162

//sys CertGetCertificateChain(engine Handle, leaf *CertContext, time *Filetime, additionalStore Handle, para *CertChainPara, flags uint32, reserved uintptr, chainCtx **CertChainContext) (err error) = crypt32.CertGetCertificateChain

163

//sys CertFreeCertificateChain(ctx *CertChainContext) = crypt32.CertFreeCertificateChain

164

//sys CertCreateCertificateContext(certEncodingType uint32, certEncoded *byte, encodedLen uint32) (context *CertContext, err error) [failretval==nil] = crypt32.CertCreateCertificateContext

165

//sys CertFreeCertificateContext(ctx *CertContext) (err error) = crypt32.CertFreeCertificateContext

166

//sys CertVerifyCertificateChainPolicy(policyOID uintptr, chain *CertChainContext, para *CertChainPolicyPara, status *CertChainPolicyStatus) (err error) = crypt32.CertVerifyCertificateChainPolicy

167

//sys RegOpenKeyEx(key Handle, subkey *uint16, options uint32, desiredAccess uint32, result *Handle) (regerrno error) = advapi32.RegOpenKeyExW

168

//sys RegCloseKey(key Handle) (regerrno error) = advapi32.RegCloseKey

169

//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

170

//sys RegEnumKeyEx(key Handle, index uint32, name *uint16, nameLen *uint32, reserved *uint32, class *uint16, classLen *uint32, lastWriteTime *Filetime) (regerrno error) = advapi32.RegEnumKeyExW

171

//sys RegQueryValueEx(key Handle, name *uint16, reserved *uint32, valtype *uint32, buf *byte, buflen *uint32) (regerrno error) = advapi32.RegQueryValueExW

172

//sys getCurrentProcessId() (pid uint32) = kernel32.GetCurrentProcessId

173

//sys GetConsoleMode(console Handle, mode *uint32) (err error) = kernel32.GetConsoleMode

174

//sys WriteConsole(console Handle, buf *uint16, towrite uint32, written *uint32, reserved *byte) (err error) = kernel32.WriteConsoleW

175

//sys ReadConsole(console Handle, buf *uint16, toread uint32, read *uint32, inputControl *byte) (err error) = kernel32.ReadConsoleW

176

//sys CreateToolhelp32Snapshot(flags uint32, processId uint32) (handle Handle, err error) [failretval==InvalidHandle] = kernel32.CreateToolhelp32Snapshot

177

//sys Process32First(snapshot Handle, procEntry *ProcessEntry32) (err error) = kernel32.Process32FirstW

178

//sys Process32Next(snapshot Handle, procEntry *ProcessEntry32) (err error) = kernel32.Process32NextW

179

//sys DeviceIoControl(handle Handle, ioControlCode uint32, inBuffer *byte, inBufferSize uint32, outBuffer *byte, outBufferSize uint32, bytesReturned *uint32, overlapped *Overlapped) (err error)

180

// This function returns 1 byte BOOLEAN rather than the 4 byte BOOL.

181

//sys CreateSymbolicLink(symlinkfilename *uint16, targetfilename *uint16, flags uint32) (err error) [failretval&0xff==0] = CreateSymbolicLinkW

182

//sys CreateHardLink(filename *uint16, existingfilename *uint16, reserved uintptr) (err error) [failretval&0xff==0] = CreateHardLinkW

183

//sys GetCurrentThreadId() (id uint32)

184

//sys CreateEvent(eventAttrs *syscall.SecurityAttributes, manualReset uint32, initialState uint32, name *uint16) (handle Handle, err error) = kernel32.CreateEventW

185

//sys SetEvent(event Handle) (err error) = kernel32.SetEvent

186

187

// syscall interface implementation for other packages

188

189

func Exit(code int) { ExitProcess(uint32(code)) }

190

191

func makeInheritSa() *SecurityAttributes {

192

var sa SecurityAttributes

193

sa.Length = uint32(unsafe.Sizeof(sa))

194

sa.InheritHandle = 1

195

return &sa

196

}

197

198

func Open(path string, mode int, perm uint32) (fd Handle, err error) {

199

if len(path) == 0 {

200

return InvalidHandle, ERROR_FILE_NOT_FOUND

201

}

202

pathp, err := UTF16PtrFromString(path)

203

if err != nil {

204

return InvalidHandle, err

205

}

206

var access uint32

207

switch mode & (O_RDONLY | O_WRONLY | O_RDWR) {

208

case O_RDONLY:

209

access = GENERIC_READ

210

case O_WRONLY:

211

access = GENERIC_WRITE

212

case O_RDWR:

213

access = GENERIC_READ | GENERIC_WRITE

214

}

215

if mode&O_CREAT != 0 {

216

access |= GENERIC_WRITE

217

}

218

if mode&O_APPEND != 0 {

219

access &^= GENERIC_WRITE

220

access |= FILE_APPEND_DATA

221

}

222

sharemode := uint32(FILE_SHARE_READ | FILE_SHARE_WRITE)

223

var sa *SecurityAttributes

224

if mode&O_CLOEXEC == 0 {

225

sa = makeInheritSa()

226

}

227

var createmode uint32

228

switch {

229

case mode&(O_CREAT|O_EXCL) == (O_CREAT | O_EXCL):

230

createmode = CREATE_NEW

231

case mode&(O_CREAT|O_TRUNC) == (O_CREAT | O_TRUNC):

232

createmode = CREATE_ALWAYS

233

case mode&O_CREAT == O_CREAT:

234

createmode = OPEN_ALWAYS

235

case mode&O_TRUNC == O_TRUNC:

236

createmode = TRUNCATE_EXISTING

237

default:

238

createmode = OPEN_EXISTING

239

}

240

h, e := CreateFile(pathp, access, sharemode, sa, createmode, FILE_ATTRIBUTE_NORMAL, 0)

241

return h, e

242

}

243

244

func Read(fd Handle, p []byte) (n int, err error) {

245

var done uint32

246

e := ReadFile(fd, p, &done, nil)

247

if e != nil {

248

if e == ERROR_BROKEN_PIPE {

249

// NOTE(brainman): work around ERROR_BROKEN_PIPE is returned on reading EOF from stdin

250

return 0, nil

251

}

252

return 0, e

253

}

254

if raceenabled {

255

if done > 0 {

256

raceWriteRange(unsafe.Pointer(&p[0]), int(done))

257

}

258

raceAcquire(unsafe.Pointer(&ioSync))

259

}

260

return int(done), nil

261

}

262

263

func Write(fd Handle, p []byte) (n int, err error) {

264

if raceenabled {

265

raceReleaseMerge(unsafe.Pointer(&ioSync))

266

}

267

var done uint32

268

e := WriteFile(fd, p, &done, nil)

269

if e != nil {

270

return 0, e

271

}

272

if raceenabled && done > 0 {

273

raceReadRange(unsafe.Pointer(&p[0]), int(done))

274

}

275

return int(done), nil

276

}

277

278

var ioSync int64

279

280

func Seek(fd Handle, offset int64, whence int) (newoffset int64, err error) {

281

var w uint32

282

switch whence {

283

case 0:

284

w = FILE_BEGIN

285

case 1:

286

w = FILE_CURRENT

287

case 2:

288

w = FILE_END

289

}

290

hi := int32(offset >> 32)

291

lo := int32(offset)

292

// use GetFileType to check pipe, pipe can't do seek

293

ft, _ := GetFileType(fd)

294

if ft == FILE_TYPE_PIPE {

295

return 0, syscall.EPIPE

296

}

297

rlo, e := SetFilePointer(fd, lo, &hi, w)

298

if e != nil {

299

return 0, e

300

}

301

return int64(hi)<<32 + int64(rlo), nil

302

}

303

304

func Close(fd Handle) (err error) {

305

return CloseHandle(fd)

306

}

307

308

var (

309

Stdin = getStdHandle(STD_INPUT_HANDLE)

310

Stdout = getStdHandle(STD_OUTPUT_HANDLE)

311

Stderr = getStdHandle(STD_ERROR_HANDLE)

312

)

313

314

func getStdHandle(h int) (fd Handle) {

315

r, _ := GetStdHandle(h)

316

CloseOnExec(r)

317

return r

318

}

319

320

const ImplementsGetwd = true

321

322

func Getwd() (wd string, err error) {

323

b := make([]uint16, 300)

324

n, e := GetCurrentDirectory(uint32(len(b)), &b[0])

325

if e != nil {

326

return "", e

327

}

328

return string(utf16.Decode(b[0:n])), nil

329

}

330

331

func Chdir(path string) (err error) {

332

pathp, err := UTF16PtrFromString(path)

333

if err != nil {

334

return err

335

}

336

return SetCurrentDirectory(pathp)

337

}

338

339

func Mkdir(path string, mode uint32) (err error) {

340

pathp, err := UTF16PtrFromString(path)

341

if err != nil {

342

return err

343

}

344

return CreateDirectory(pathp, nil)

345

}

346

347

func Rmdir(path string) (err error) {

348

pathp, err := UTF16PtrFromString(path)

349

if err != nil {

350

return err

351

}

352

return RemoveDirectory(pathp)

353

}

354

355

func Unlink(path string) (err error) {

356

pathp, err := UTF16PtrFromString(path)

357

if err != nil {

358

return err

359

}

360

return DeleteFile(pathp)

361

}

362

363

func Rename(oldpath, newpath string) (err error) {

364

from, err := UTF16PtrFromString(oldpath)

365

if err != nil {

366

return err

367

}

368

to, err := UTF16PtrFromString(newpath)

369

if err != nil {

370

return err

371

}

372

return MoveFile(from, to)

373

}

374

375

func ComputerName() (name string, err error) {

376

var n uint32 = MAX_COMPUTERNAME_LENGTH + 1

377

b := make([]uint16, n)

378

e := GetComputerName(&b[0], &n)

379

if e != nil {

380

return "", e

381

}

382

return string(utf16.Decode(b[0:n])), nil

383

}

384

385

func Ftruncate(fd Handle, length int64) (err error) {

386

curoffset, e := Seek(fd, 0, 1)

387

if e != nil {

388

return e

389

}

390

defer Seek(fd, curoffset, 0)

391

_, e = Seek(fd, length, 0)

392

if e != nil {

393

return e

394

}

395

e = SetEndOfFile(fd)

396

if e != nil {

397

return e

398

}

399

return nil

400

}

401

402

func Gettimeofday(tv *Timeval) (err error) {

403

var ft Filetime

404

GetSystemTimeAsFileTime(&ft)

405

*tv = NsecToTimeval(ft.Nanoseconds())

406

return nil

407

}

408

409

func Pipe(p []Handle) (err error) {

410

if len(p) != 2 {

411

return syscall.EINVAL

412

}

413

var r, w Handle

414

e := CreatePipe(&r, &w, makeInheritSa(), 0)

415

if e != nil {

416

return e

417

}

418

p[0] = r

419

p[1] = w

420

return nil

421

}

422

423

func Utimes(path string, tv []Timeval) (err error) {

424

if len(tv) != 2 {

425

return syscall.EINVAL

426

}

427

pathp, e := UTF16PtrFromString(path)

428

if e != nil {

429

return e

430

}

431

h, e := CreateFile(pathp,

432

FILE_WRITE_ATTRIBUTES, FILE_SHARE_WRITE, nil,

433

OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0)

434

if e != nil {

435

return e

436

}

437

defer Close(h)

438

a := NsecToFiletime(tv[0].Nanoseconds())

439

w := NsecToFiletime(tv[1].Nanoseconds())

440

return SetFileTime(h, nil, &a, &w)

441

}

442

443

func UtimesNano(path string, ts []Timespec) (err error) {

444

if len(ts) != 2 {

445

return syscall.EINVAL

446

}

447

pathp, e := UTF16PtrFromString(path)

448

if e != nil {

449

return e

450

}

451

h, e := CreateFile(pathp,

452

FILE_WRITE_ATTRIBUTES, FILE_SHARE_WRITE, nil,

453

OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0)

454

if e != nil {

455

return e

456

}

457

defer Close(h)

458

a := NsecToFiletime(TimespecToNsec(ts[0]))

459

w := NsecToFiletime(TimespecToNsec(ts[1]))

460

return SetFileTime(h, nil, &a, &w)

461

}

462

463

func Fsync(fd Handle) (err error) {

464

return FlushFileBuffers(fd)

465

}

466

467

func Chmod(path string, mode uint32) (err error) {

468

if mode == 0 {

469

return syscall.EINVAL

470

}

471

p, e := UTF16PtrFromString(path)

472

if e != nil {

473

return e

474

}

475

attrs, e := GetFileAttributes(p)

476

if e != nil {

477

return e

478

}

479

if mode&S_IWRITE != 0 {

480

attrs &^= FILE_ATTRIBUTE_READONLY

481

} else {

482

attrs |= FILE_ATTRIBUTE_READONLY

483

}

484

return SetFileAttributes(p, attrs)

485

}

486

487

func LoadCancelIoEx() error {

488

return procCancelIoEx.Find()

489

}

490

491

func LoadSetFileCompletionNotificationModes() error {

492

return procSetFileCompletionNotificationModes.Find()

493

}

494

495

// net api calls

496

497

const socket_error = uintptr(^uint32(0))

498

499

//sys WSAStartup(verreq uint32, data *WSAData) (sockerr error) = ws2_32.WSAStartup

500

//sys WSACleanup() (err error) [failretval==socket_error] = ws2_32.WSACleanup

501

//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

502

//sys socket(af int32, typ int32, protocol int32) (handle Handle, err error) [failretval==InvalidHandle] = ws2_32.socket

503

//sys Setsockopt(s Handle, level int32, optname int32, optval *byte, optlen int32) (err error) [failretval==socket_error] = ws2_32.setsockopt

504

//sys Getsockopt(s Handle, level int32, optname int32, optval *byte, optlen *int32) (err error) [failretval==socket_error] = ws2_32.getsockopt

505

//sys bind(s Handle, name unsafe.Pointer, namelen int32) (err error) [failretval==socket_error] = ws2_32.bind

506

//sys connect(s Handle, name unsafe.Pointer, namelen int32) (err error) [failretval==socket_error] = ws2_32.connect

507

//sys getsockname(s Handle, rsa *RawSockaddrAny, addrlen *int32) (err error) [failretval==socket_error] = ws2_32.getsockname

508

//sys getpeername(s Handle, rsa *RawSockaddrAny, addrlen *int32) (err error) [failretval==socket_error] = ws2_32.getpeername

509

//sys listen(s Handle, backlog int32) (err error) [failretval==socket_error] = ws2_32.listen

510

//sys shutdown(s Handle, how int32) (err error) [failretval==socket_error] = ws2_32.shutdown

511

//sys Closesocket(s Handle) (err error) [failretval==socket_error] = ws2_32.closesocket

512

//sys AcceptEx(ls Handle, as Handle, buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, recvd *uint32, overlapped *Overlapped) (err error) = mswsock.AcceptEx

513

//sys GetAcceptExSockaddrs(buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, lrsa **RawSockaddrAny, lrsalen *int32, rrsa **RawSockaddrAny, rrsalen *int32) = mswsock.GetAcceptExSockaddrs

514

//sys WSARecv(s Handle, bufs *WSABuf, bufcnt uint32, recvd *uint32, flags *uint32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSARecv

515

//sys WSASend(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSASend

516

//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

517

//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

518

//sys GetHostByName(name string) (h *Hostent, err error) [failretval==nil] = ws2_32.gethostbyname

519

//sys GetServByName(name string, proto string) (s *Servent, err error) [failretval==nil] = ws2_32.getservbyname

520

//sys Ntohs(netshort uint16) (u uint16) = ws2_32.ntohs

521

//sys GetProtoByName(name string) (p *Protoent, err error) [failretval==nil] = ws2_32.getprotobyname

522

//sys DnsQuery(name string, qtype uint16, options uint32, extra *byte, qrs **DNSRecord, pr *byte) (status error) = dnsapi.DnsQuery_W

523

//sys DnsRecordListFree(rl *DNSRecord, freetype uint32) = dnsapi.DnsRecordListFree

524

//sys DnsNameCompare(name1 *uint16, name2 *uint16) (same bool) = dnsapi.DnsNameCompare_W

525

//sys GetAddrInfoW(nodename *uint16, servicename *uint16, hints *AddrinfoW, result **AddrinfoW) (sockerr error) = ws2_32.GetAddrInfoW

526

//sys FreeAddrInfoW(addrinfo *AddrinfoW) = ws2_32.FreeAddrInfoW

527

//sys GetIfEntry(pIfRow *MibIfRow) (errcode error) = iphlpapi.GetIfEntry

528

//sys GetAdaptersInfo(ai *IpAdapterInfo, ol *uint32) (errcode error) = iphlpapi.GetAdaptersInfo

529

//sys SetFileCompletionNotificationModes(handle Handle, flags uint8) (err error) = kernel32.SetFileCompletionNotificationModes

530

//sys WSAEnumProtocols(protocols *int32, protocolBuffer *WSAProtocolInfo, bufferLength *uint32) (n int32, err error) [failretval==-1] = ws2_32.WSAEnumProtocolsW

531

532

// For testing: clients can set this flag to force

533

// creation of IPv6 sockets to return EAFNOSUPPORT.

534

var SocketDisableIPv6 bool

535

536

type RawSockaddrInet4 struct {

537

Family uint16

538

Port uint16

539

Addr [4]byte /* in_addr */

540

Zero [8]uint8

541

}

542

543

type RawSockaddrInet6 struct {

544

Family uint16

545

Port uint16

546

Flowinfo uint32

547

Addr [16]byte /* in6_addr */

548

Scope_id uint32

549

}

550

551

type RawSockaddr struct {

552

Family uint16

553

Data [14]int8

554

}

555

556

type RawSockaddrAny struct {

557

Addr RawSockaddr

558

Pad [96]int8

559

}

560

561

type Sockaddr interface {

562

sockaddr() (ptr unsafe.Pointer, len int32, err error) // lowercase; only we can define Sockaddrs

563

}

564

565

type SockaddrInet4 struct {

566

Port int

567

Addr [4]byte

568

raw RawSockaddrInet4

569

}

570

571

func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, int32, error) {

572

if sa.Port < 0 || sa.Port > 0xFFFF {

573

return nil, 0, syscall.EINVAL

574

}

575

sa.raw.Family = AF_INET

576

p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))

577

p[0] = byte(sa.Port >> 8)

578

p[1] = byte(sa.Port)

579

for i := 0; i < len(sa.Addr); i++ {

580

sa.raw.Addr[i] = sa.Addr[i]

581

}

582

return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil

583

}

584

585

type SockaddrInet6 struct {

586

Port int

587

ZoneId uint32

588

Addr [16]byte

589

raw RawSockaddrInet6

590

}

591

592

func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, int32, error) {

593

if sa.Port < 0 || sa.Port > 0xFFFF {

594

return nil, 0, syscall.EINVAL

595

}

596

sa.raw.Family = AF_INET6

597

p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))

598

p[0] = byte(sa.Port >> 8)

599

p[1] = byte(sa.Port)

600

sa.raw.Scope_id = sa.ZoneId

601

for i := 0; i < len(sa.Addr); i++ {

602

sa.raw.Addr[i] = sa.Addr[i]

603

}

604

return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil

605

}

606

607

type SockaddrUnix struct {

608

Name string

609

}

610

611

func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, int32, error) {

612

// TODO(brainman): implement SockaddrUnix.sockaddr()

613

return nil, 0, syscall.EWINDOWS

614

}

615

616

func (rsa *RawSockaddrAny) Sockaddr() (Sockaddr, error) {

617

switch rsa.Addr.Family {

618

case AF_UNIX:

619

return nil, syscall.EWINDOWS

620

621

case AF_INET:

622

pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa))

623

sa := new(SockaddrInet4)

624

p := (*[2]byte)(unsafe.Pointer(&pp.Port))

625

sa.Port = int(p[0])<<8 + int(p[1])

626

for i := 0; i < len(sa.Addr); i++ {

627

sa.Addr[i] = pp.Addr[i]

628

}

629

return sa, nil

630

631

case AF_INET6:

632

pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa))

633

sa := new(SockaddrInet6)

634

p := (*[2]byte)(unsafe.Pointer(&pp.Port))

635

sa.Port = int(p[0])<<8 + int(p[1])

636

sa.ZoneId = pp.Scope_id

637

for i := 0; i < len(sa.Addr); i++ {

638

sa.Addr[i] = pp.Addr[i]

639

}

640

return sa, nil

641

}

642

return nil, syscall.EAFNOSUPPORT

643

}

644

645

func Socket(domain, typ, proto int) (fd Handle, err error) {

646

if domain == AF_INET6 && SocketDisableIPv6 {

647

return InvalidHandle, syscall.EAFNOSUPPORT

648

}

649

return socket(int32(domain), int32(typ), int32(proto))

650

}

651

652

func SetsockoptInt(fd Handle, level, opt int, value int) (err error) {

653

v := int32(value)

654

return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&v)), int32(unsafe.Sizeof(v)))

655

}

656

657

func Bind(fd Handle, sa Sockaddr) (err error) {

658

ptr, n, err := sa.sockaddr()

659

if err != nil {

660

return err

661

}

662

return bind(fd, ptr, n)

663

}

664

665

func Connect(fd Handle, sa Sockaddr) (err error) {

666

ptr, n, err := sa.sockaddr()

667

if err != nil {

668

return err

669

}

670

return connect(fd, ptr, n)

671

}

672

673

func Getsockname(fd Handle) (sa Sockaddr, err error) {

674

var rsa RawSockaddrAny

675

l := int32(unsafe.Sizeof(rsa))

676

if err = getsockname(fd, &rsa, &l); err != nil {

677

return

678

}

679

return rsa.Sockaddr()

680

}

681

682

func Getpeername(fd Handle) (sa Sockaddr, err error) {

683

var rsa RawSockaddrAny

684

l := int32(unsafe.Sizeof(rsa))

685

if err = getpeername(fd, &rsa, &l); err != nil {

686

return

687

}

688

return rsa.Sockaddr()

689

}

690

691

func Listen(s Handle, n int) (err error) {

692

return listen(s, int32(n))

693

}

694

695

func Shutdown(fd Handle, how int) (err error) {

696

return shutdown(fd, int32(how))

697

}

698

699

func WSASendto(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, to Sockaddr, overlapped *Overlapped, croutine *byte) (err error) {

700

rsa, l, err := to.sockaddr()

701

if err != nil {

702

return err

703

}

704

return WSASendTo(s, bufs, bufcnt, sent, flags, (*RawSockaddrAny)(unsafe.Pointer(rsa)), l, overlapped, croutine)

705

}

706

707

func LoadGetAddrInfo() error {

708

return procGetAddrInfoW.Find()

709

}

710

711

var connectExFunc struct {

712

once sync.Once

713

addr uintptr

714

err error

715

}

716

717

func LoadConnectEx() error {

718

connectExFunc.once.Do(func() {

719

var s Handle

720

s, connectExFunc.err = Socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)

721

if connectExFunc.err != nil {

722

return

723

}

724

defer CloseHandle(s)

725

var n uint32

726

connectExFunc.err = WSAIoctl(s,

727

SIO_GET_EXTENSION_FUNCTION_POINTER,

728

(*byte)(unsafe.Pointer(&WSAID_CONNECTEX)),

729

uint32(unsafe.Sizeof(WSAID_CONNECTEX)),

730

(*byte)(unsafe.Pointer(&connectExFunc.addr)),

731

uint32(unsafe.Sizeof(connectExFunc.addr)),

732

&n, nil, 0)

733

})

734

return connectExFunc.err

735

}

736

737

func connectEx(s Handle, name unsafe.Pointer, namelen int32, sendBuf *byte, sendDataLen uint32, bytesSent *uint32, overlapped *Overlapped) (err error) {

738

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)

739

if r1 == 0 {

740

if e1 != 0 {

741

err = error(e1)

742

} else {

743

err = syscall.EINVAL

744

}

745

}

746

return

747

}

748

749

func ConnectEx(fd Handle, sa Sockaddr, sendBuf *byte, sendDataLen uint32, bytesSent *uint32, overlapped *Overlapped) error {

750

err := LoadConnectEx()

751

if err != nil {

752

return errorspkg.New("failed to find ConnectEx: " + err.Error())

753

}

754

ptr, n, err := sa.sockaddr()

755

if err != nil {

756

return err

757

}

758

return connectEx(fd, ptr, n, sendBuf, sendDataLen, bytesSent, overlapped)

759

}

760

761

// Invented structures to support what package os expects.

762

type Rusage struct {

763

CreationTime Filetime

764

ExitTime Filetime

765

KernelTime Filetime

766

UserTime Filetime

767

}

768

769

type WaitStatus struct {

770

ExitCode uint32

771

}

772

773

func (w WaitStatus) Exited() bool { return true }

774

775

func (w WaitStatus) ExitStatus() int { return int(w.ExitCode) }

776

777

func (w WaitStatus) Signal() Signal { return -1 }

778

779

func (w WaitStatus) CoreDump() bool { return false }

780

781

func (w WaitStatus) Stopped() bool { return false }

782

783

func (w WaitStatus) Continued() bool { return false }

784

785

func (w WaitStatus) StopSignal() Signal { return -1 }

786

787

func (w WaitStatus) Signaled() bool { return false }

788

789

func (w WaitStatus) TrapCause() int { return -1 }

790

791

// Timespec is an invented structure on Windows, but here for

792

// consistency with the corresponding package for other operating systems.

793

type Timespec struct {

794

Sec int64

795

Nsec int64

796

}

797

798

func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }

799

800

func NsecToTimespec(nsec int64) (ts Timespec) {

801

ts.Sec = nsec / 1e9

802

ts.Nsec = nsec % 1e9

803

return

804

}

805

806

// TODO(brainman): fix all needed for net

807

808

func Accept(fd Handle) (nfd Handle, sa Sockaddr, err error) { return 0, nil, syscall.EWINDOWS }

809

func Recvfrom(fd Handle, p []byte, flags int) (n int, from Sockaddr, err error) {

810

return 0, nil, syscall.EWINDOWS

811

}

812

func Sendto(fd Handle, p []byte, flags int, to Sockaddr) (err error) { return syscall.EWINDOWS }

813

func SetsockoptTimeval(fd Handle, level, opt int, tv *Timeval) (err error) { return syscall.EWINDOWS }

814

815

// The Linger struct is wrong but we only noticed after Go 1.

816

// sysLinger is the real system call structure.

817

818

// BUG(brainman): The definition of Linger is not appropriate for direct use

819

// with Setsockopt and Getsockopt.

820

// Use SetsockoptLinger instead.

821

822

type Linger struct {

823

Onoff int32

824

Linger int32

825

}

826

827

type sysLinger struct {

828

Onoff uint16

829

Linger uint16

830

}

831

832

type IPMreq struct {

833

Multiaddr [4]byte /* in_addr */

834

Interface [4]byte /* in_addr */

835

}

836

837

type IPv6Mreq struct {

838

Multiaddr [16]byte /* in6_addr */

839

Interface uint32

840

}

841

842

func GetsockoptInt(fd Handle, level, opt int) (int, error) { return -1, syscall.EWINDOWS }

843

844

func SetsockoptLinger(fd Handle, level, opt int, l *Linger) (err error) {

845

sys := sysLinger{Onoff: uint16(l.Onoff), Linger: uint16(l.Linger)}

846

return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&sys)), int32(unsafe.Sizeof(sys)))

847

}

848

849

func SetsockoptInet4Addr(fd Handle, level, opt int, value [4]byte) (err error) {

850

return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&value[0])), 4)

851

}

852

func SetsockoptIPMreq(fd Handle, level, opt int, mreq *IPMreq) (err error) {

853

return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(mreq)), int32(unsafe.Sizeof(*mreq)))

854

}

855

func SetsockoptIPv6Mreq(fd Handle, level, opt int, mreq *IPv6Mreq) (err error) {

856

return syscall.EWINDOWS

857

}

858

859

func Getpid() (pid int) { return int(getCurrentProcessId()) }

860

861

func FindFirstFile(name *uint16, data *Win32finddata) (handle Handle, err error) {

862

// NOTE(rsc): The Win32finddata struct is wrong for the system call:

863

// the two paths are each one uint16 short. Use the correct struct,

864

// a win32finddata1, and then copy the results out.

865

// There is no loss of expressivity here, because the final

866

// uint16, if it is used, is supposed to be a NUL, and Go doesn't need that.

867

// For Go 1.1, we might avoid the allocation of win32finddata1 here

868

// by adding a final Bug [2]uint16 field to the struct and then

869

// adjusting the fields in the result directly.

870

var data1 win32finddata1

871

handle, err = findFirstFile1(name, &data1)

872

if err == nil {

873

copyFindData(data, &data1)

874

}

875

return

876

}

877

878

func FindNextFile(handle Handle, data *Win32finddata) (err error) {

879

var data1 win32finddata1

880

err = findNextFile1(handle, &data1)

881

if err == nil {

882

copyFindData(data, &data1)

883

}

884

return

885

}

886

887

func getProcessEntry(pid int) (*ProcessEntry32, error) {

888

snapshot, err := CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0)

889

if err != nil {

890

return nil, err

891

}

892

defer CloseHandle(snapshot)

893

var procEntry ProcessEntry32

894

procEntry.Size = uint32(unsafe.Sizeof(procEntry))

895

if err = Process32First(snapshot, &procEntry); err != nil {

896

return nil, err

897

}

898

for {

899

if procEntry.ProcessID == uint32(pid) {

900

return &procEntry, nil

901

}

902

err = Process32Next(snapshot, &procEntry)

903

if err != nil {

904

return nil, err

905

}

906

}

907

}

908

909

func Getppid() (ppid int) {

910

pe, err := getProcessEntry(Getpid())

911

if err != nil {

912

return -1

913

}

914

return int(pe.ParentProcessID)

915

}

916

917

// TODO(brainman): fix all needed for os

918

func Fchdir(fd Handle) (err error) { return syscall.EWINDOWS }

919

func Link(oldpath, newpath string) (err error) { return syscall.EWINDOWS }

920

func Symlink(path, link string) (err error) { return syscall.EWINDOWS }

921

922

func Fchmod(fd Handle, mode uint32) (err error) { return syscall.EWINDOWS }

923

func Chown(path string, uid int, gid int) (err error) { return syscall.EWINDOWS }

924

func Lchown(path string, uid int, gid int) (err error) { return syscall.EWINDOWS }

925

func Fchown(fd Handle, uid int, gid int) (err error) { return syscall.EWINDOWS }

926

927

func Getuid() (uid int) { return -1 }

928

func Geteuid() (euid int) { return -1 }

929

func Getgid() (gid int) { return -1 }

930

func Getegid() (egid int) { return -1 }

931

func Getgroups() (gids []int, err error) { return nil, syscall.EWINDOWS }

932

933

type Signal int

934

935

func (s Signal) Signal() {}

936

937

func (s Signal) String() string {

938

if 0 <= s && int(s) < len(signals) {

939

str := signals[s]

940

if str != "" {

941

return str

942

}

943

}

944

return "signal " + itoa(int(s))

945

}

946

947

func LoadCreateSymbolicLink() error {

948

return procCreateSymbolicLinkW.Find()

949

}

950

951

// Readlink returns the destination of the named symbolic link.

952

func Readlink(path string, buf []byte) (n int, err error) {

953

fd, err := CreateFile(StringToUTF16Ptr(path), GENERIC_READ, 0, nil, OPEN_EXISTING,

954

FILE_FLAG_OPEN_REPARSE_POINT|FILE_FLAG_BACKUP_SEMANTICS, 0)

955

if err != nil {

956

return -1, err

957

}

958

defer CloseHandle(fd)

959

960

rdbbuf := make([]byte, MAXIMUM_REPARSE_DATA_BUFFER_SIZE)

961

var bytesReturned uint32

962

err = DeviceIoControl(fd, FSCTL_GET_REPARSE_POINT, nil, 0, &rdbbuf[0], uint32(len(rdbbuf)), &bytesReturned, nil)

963

if err != nil {

964

return -1, err

965

}

966

967

rdb := (*reparseDataBuffer)(unsafe.Pointer(&rdbbuf[0]))

968

var s string

969

switch rdb.ReparseTag {

970

case IO_REPARSE_TAG_SYMLINK:

971

data := (*symbolicLinkReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer))

972

p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0]))

973

s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2])

974

case IO_REPARSE_TAG_MOUNT_POINT:

975

data := (*mountPointReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer))

976

p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0]))

977

s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2])

978

default:

979

// the path is not a symlink or junction but another type of reparse

980

// point

981

return -1, syscall.ENOENT

982

}

983

n = copy(buf, []byte(s))

984

985

return n, nil

986

}

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