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1 // Copyright 2009 The Go Authors. All rights reserved.
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2 // Use of this source code is governed by a BSD-style
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3 // license that can be found in the LICENSE file.
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4
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5 // Windows system calls.
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6
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7 package windows
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8
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9 import (
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10 errorspkg "errors"
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11 "fmt"
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12 "runtime"
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13 "strings"
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14 "sync"
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15 "syscall"
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16 "time"
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17 "unicode/utf16"
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18 "unsafe"
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19
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20 "golang.org/x/sys/internal/unsafeheader"
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21 )
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22
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23 type Handle uintptr
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24 type HWND uintptr
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25
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26 const (
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27 InvalidHandle = ^Handle(0)
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28 InvalidHWND = ^HWND(0)
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29
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30 // Flags for DefineDosDevice.
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31 DDD_EXACT_MATCH_ON_REMOVE = 0x00000004
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32 DDD_NO_BROADCAST_SYSTEM = 0x00000008
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33 DDD_RAW_TARGET_PATH = 0x00000001
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34 DDD_REMOVE_DEFINITION = 0x00000002
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35
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36 // Return values for GetDriveType.
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37 DRIVE_UNKNOWN = 0
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38 DRIVE_NO_ROOT_DIR = 1
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39 DRIVE_REMOVABLE = 2
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40 DRIVE_FIXED = 3
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41 DRIVE_REMOTE = 4
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42 DRIVE_CDROM = 5
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43 DRIVE_RAMDISK = 6
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44
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45 // File system flags from GetVolumeInformation and GetVolumeInformationByHandle.
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46 FILE_CASE_SENSITIVE_SEARCH = 0x00000001
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47 FILE_CASE_PRESERVED_NAMES = 0x00000002
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48 FILE_FILE_COMPRESSION = 0x00000010
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49 FILE_DAX_VOLUME = 0x20000000
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50 FILE_NAMED_STREAMS = 0x00040000
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51 FILE_PERSISTENT_ACLS = 0x00000008
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52 FILE_READ_ONLY_VOLUME = 0x00080000
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53 FILE_SEQUENTIAL_WRITE_ONCE = 0x00100000
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54 FILE_SUPPORTS_ENCRYPTION = 0x00020000
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55 FILE_SUPPORTS_EXTENDED_ATTRIBUTES = 0x00800000
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56 FILE_SUPPORTS_HARD_LINKS = 0x00400000
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57 FILE_SUPPORTS_OBJECT_IDS = 0x00010000
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58 FILE_SUPPORTS_OPEN_BY_FILE_ID = 0x01000000
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59 FILE_SUPPORTS_REPARSE_POINTS = 0x00000080
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60 FILE_SUPPORTS_SPARSE_FILES = 0x00000040
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61 FILE_SUPPORTS_TRANSACTIONS = 0x00200000
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62 FILE_SUPPORTS_USN_JOURNAL = 0x02000000
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63 FILE_UNICODE_ON_DISK = 0x00000004
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64 FILE_VOLUME_IS_COMPRESSED = 0x00008000
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65 FILE_VOLUME_QUOTAS = 0x00000020
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66
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67 // Flags for LockFileEx.
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68 LOCKFILE_FAIL_IMMEDIATELY = 0x00000001
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69 LOCKFILE_EXCLUSIVE_LOCK = 0x00000002
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70
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71 // Return value of SleepEx and other APC functions
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72 WAIT_IO_COMPLETION = 0x000000C0
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73 )
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74
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75 // StringToUTF16 is deprecated. Use UTF16FromString instead.
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76 // If s contains a NUL byte this function panics instead of
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77 // returning an error.
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78 func StringToUTF16(s string) []uint16 {
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79 a, err := UTF16FromString(s)
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80 if err != nil {
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81 panic("windows: string with NUL passed to StringToUTF16")
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82 }
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83 return a
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84 }
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85
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86 // UTF16FromString returns the UTF-16 encoding of the UTF-8 string
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87 // s, with a terminating NUL added. If s contains a NUL byte at any
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88 // location, it returns (nil, syscall.EINVAL).
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89 func UTF16FromString(s string) ([]uint16, error) {
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90 if strings.IndexByte(s, 0) != -1 {
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91 return nil, syscall.EINVAL
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92 }
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93 return utf16.Encode([]rune(s + "\x00")), nil
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94 }
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95
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96 // UTF16ToString returns the UTF-8 encoding of the UTF-16 sequence s,
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97 // with a terminating NUL and any bytes after the NUL removed.
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98 func UTF16ToString(s []uint16) string {
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99 for i, v := range s {
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100 if v == 0 {
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101 s = s[:i]
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102 break
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103 }
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104 }
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105 return string(utf16.Decode(s))
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106 }
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107
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108 // StringToUTF16Ptr is deprecated. Use UTF16PtrFromString instead.
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109 // If s contains a NUL byte this function panics instead of
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110 // returning an error.
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111 func StringToUTF16Ptr(s string) *uint16 { return &StringToUTF16(s)[0] }
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112
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113 // UTF16PtrFromString returns pointer to the UTF-16 encoding of
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114 // the UTF-8 string s, with a terminating NUL added. If s
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115 // contains a NUL byte at any location, it returns (nil, syscall.EINVAL).
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116 func UTF16PtrFromString(s string) (*uint16, error) {
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117 a, err := UTF16FromString(s)
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118 if err != nil {
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119 return nil, err
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120 }
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121 return &a[0], nil
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122 }
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123
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124 // UTF16PtrToString takes a pointer to a UTF-16 sequence and returns the corresponding UTF-8 encoded string.
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125 // If the pointer is nil, it returns the empty string. It assumes that the UTF-16 sequence is terminated
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126 // at a zero word; if the zero word is not present, the program may crash.
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127 func UTF16PtrToString(p *uint16) string {
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128 if p == nil {
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129 return ""
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130 }
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131 if *p == 0 {
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132 return ""
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133 }
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134
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135 // Find NUL terminator.
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136 n := 0
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137 for ptr := unsafe.Pointer(p); *(*uint16)(ptr) != 0; n++ {
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138 ptr = unsafe.Pointer(uintptr(ptr) + unsafe.Sizeof(*p))
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139 }
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140
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141 var s []uint16
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142 h := (*unsafeheader.Slice)(unsafe.Pointer(&s))
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143 h.Data = unsafe.Pointer(p)
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144 h.Len = n
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145 h.Cap = n
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146
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147 return string(utf16.Decode(s))
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148 }
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149
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150 func Getpagesize() int { return 4096 }
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151
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152 // NewCallback converts a Go function to a function pointer conforming to the stdcall calling convention.
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153 // This is useful when interoperating with Windows code requiring callbacks.
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154 // The argument is expected to be a function with with one uintptr-sized result. The function must not have arguments with size larger than the size of uintptr.
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155 func NewCallback(fn interface{}) uintptr {
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156 return syscall.NewCallback(fn)
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157 }
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158
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159 // NewCallbackCDecl converts a Go function to a function pointer conforming to the cdecl calling convention.
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160 // This is useful when interoperating with Windows code requiring callbacks.
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161 // The argument is expected to be a function with with one uintptr-sized result. The function must not have arguments with size larger than the size of uintptr.
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162 func NewCallbackCDecl(fn interface{}) uintptr {
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163 return syscall.NewCallbackCDecl(fn)
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164 }
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165
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166 // windows api calls
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167
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168 //sys GetLastError() (lasterr error)
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169 //sys LoadLibrary(libname string) (handle Handle, err error) = LoadLibraryW
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170 //sys LoadLibraryEx(libname string, zero Handle, flags uintptr) (handle Handle, err error) = LoadLibraryExW
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171 //sys FreeLibrary(handle Handle) (err error)
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172 //sys GetProcAddress(module Handle, procname string) (proc uintptr, err error)
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173 //sys GetModuleFileName(module Handle, filename *uint16, size uint32) (n uint32, err error) = kernel32.GetModuleFileNameW
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174 //sys GetModuleHandleEx(flags uint32, moduleName *uint16, module *Handle) (err error) = kernel32.GetModuleHandleExW
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175 //sys SetDefaultDllDirectories(directoryFlags uint32) (err error)
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176 //sys SetDllDirectory(path string) (err error) = kernel32.SetDllDirectoryW
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177 //sys GetVersion() (ver uint32, err error)
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178 //sys FormatMessage(flags uint32, msgsrc uintptr, msgid uint32, langid uint32, buf []uint16, args *byte) (n uint32, err error) = FormatMessageW
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179 //sys ExitProcess(exitcode uint32)
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180 //sys IsWow64Process(handle Handle, isWow64 *bool) (err error) = IsWow64Process
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181 //sys IsWow64Process2(handle Handle, processMachine *uint16, nativeMachine *uint16) (err error) = IsWow64Process2?
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182 //sys CreateFile(name *uint16, access uint32, mode uint32, sa *SecurityAttributes, createmode uint32, attrs uint32, templatefile Handle) (handle Handle, err error) [failretval==InvalidHandle] = CreateFileW
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183 //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
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184 //sys ConnectNamedPipe(pipe Handle, overlapped *Overlapped) (err error)
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185 //sys GetNamedPipeInfo(pipe Handle, flags *uint32, outSize *uint32, inSize *uint32, maxInstances *uint32) (err error)
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186 //sys GetNamedPipeHandleState(pipe Handle, state *uint32, curInstances *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32, userName *uint16, maxUserNameSize uint32) (err error) = GetNamedPipeHandleStateW
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187 //sys SetNamedPipeHandleState(pipe Handle, state *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32) (err error) = SetNamedPipeHandleState
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188 //sys readFile(handle Handle, buf []byte, done *uint32, overlapped *Overlapped) (err error) = ReadFile
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189 //sys writeFile(handle Handle, buf []byte, done *uint32, overlapped *Overlapped) (err error) = WriteFile
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190 //sys GetOverlappedResult(handle Handle, overlapped *Overlapped, done *uint32, wait bool) (err error)
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191 //sys SetFilePointer(handle Handle, lowoffset int32, highoffsetptr *int32, whence uint32) (newlowoffset uint32, err error) [failretval==0xffffffff]
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192 //sys CloseHandle(handle Handle) (err error)
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193 //sys GetStdHandle(stdhandle uint32) (handle Handle, err error) [failretval==InvalidHandle]
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194 //sys SetStdHandle(stdhandle uint32, handle Handle) (err error)
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195 //sys findFirstFile1(name *uint16, data *win32finddata1) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstFileW
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196 //sys findNextFile1(handle Handle, data *win32finddata1) (err error) = FindNextFileW
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197 //sys FindClose(handle Handle) (err error)
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198 //sys GetFileInformationByHandle(handle Handle, data *ByHandleFileInformation) (err error)
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199 //sys GetFileInformationByHandleEx(handle Handle, class uint32, outBuffer *byte, outBufferLen uint32) (err error)
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200 //sys SetFileInformationByHandle(handle Handle, class uint32, inBuffer *byte, inBufferLen uint32) (err error)
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201 //sys GetCurrentDirectory(buflen uint32, buf *uint16) (n uint32, err error) = GetCurrentDirectoryW
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202 //sys SetCurrentDirectory(path *uint16) (err error) = SetCurrentDirectoryW
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203 //sys CreateDirectory(path *uint16, sa *SecurityAttributes) (err error) = CreateDirectoryW
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204 //sys RemoveDirectory(path *uint16) (err error) = RemoveDirectoryW
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205 //sys DeleteFile(path *uint16) (err error) = DeleteFileW
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206 //sys MoveFile(from *uint16, to *uint16) (err error) = MoveFileW
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207 //sys MoveFileEx(from *uint16, to *uint16, flags uint32) (err error) = MoveFileExW
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208 //sys LockFileEx(file Handle, flags uint32, reserved uint32, bytesLow uint32, bytesHigh uint32, overlapped *Overlapped) (err error)
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209 //sys UnlockFileEx(file Handle, reserved uint32, bytesLow uint32, bytesHigh uint32, overlapped *Overlapped) (err error)
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210 //sys GetComputerName(buf *uint16, n *uint32) (err error) = GetComputerNameW
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211 //sys GetComputerNameEx(nametype uint32, buf *uint16, n *uint32) (err error) = GetComputerNameExW
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212 //sys SetEndOfFile(handle Handle) (err error)
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213 //sys GetSystemTimeAsFileTime(time *Filetime)
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214 //sys GetSystemTimePreciseAsFileTime(time *Filetime)
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215 //sys GetTimeZoneInformation(tzi *Timezoneinformation) (rc uint32, err error) [failretval==0xffffffff]
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216 //sys CreateIoCompletionPort(filehandle Handle, cphandle Handle, key uintptr, threadcnt uint32) (handle Handle, err error)
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217 //sys GetQueuedCompletionStatus(cphandle Handle, qty *uint32, key *uintptr, overlapped **Overlapped, timeout uint32) (err error)
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218 //sys PostQueuedCompletionStatus(cphandle Handle, qty uint32, key uintptr, overlapped *Overlapped) (err error)
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219 //sys CancelIo(s Handle) (err error)
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220 //sys CancelIoEx(s Handle, o *Overlapped) (err error)
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221 //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
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222 //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
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223 //sys initializeProcThreadAttributeList(attrlist *ProcThreadAttributeList, attrcount uint32, flags uint32, size *uintptr) (err error) = InitializeProcThreadAttributeList
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224 //sys deleteProcThreadAttributeList(attrlist *ProcThreadAttributeList) = DeleteProcThreadAttributeList
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225 //sys updateProcThreadAttribute(attrlist *ProcThreadAttributeList, flags uint32, attr uintptr, value unsafe.Pointer, size uintptr, prevvalue unsafe.Pointer, returnedsize *uintptr) (err error) = UpdateProcThreadAttribute
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226 //sys OpenProcess(desiredAccess uint32, inheritHandle bool, processId uint32) (handle Handle, err error)
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227 //sys ShellExecute(hwnd Handle, verb *uint16, file *uint16, args *uint16, cwd *uint16, showCmd int32) (err error) [failretval<=32] = shell32.ShellExecuteW
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228 //sys GetWindowThreadProcessId(hwnd HWND, pid *uint32) (tid uint32, err error) = user32.GetWindowThreadProcessId
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229 //sys GetShellWindow() (shellWindow HWND) = user32.GetShellWindow
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230 //sys MessageBox(hwnd HWND, text *uint16, caption *uint16, boxtype uint32) (ret int32, err error) [failretval==0] = user32.MessageBoxW
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231 //sys ExitWindowsEx(flags uint32, reason uint32) (err error) = user32.ExitWindowsEx
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232 //sys shGetKnownFolderPath(id *KNOWNFOLDERID, flags uint32, token Token, path **uint16) (ret error) = shell32.SHGetKnownFolderPath
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233 //sys TerminateProcess(handle Handle, exitcode uint32) (err error)
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234 //sys GetExitCodeProcess(handle Handle, exitcode *uint32) (err error)
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235 //sys GetStartupInfo(startupInfo *StartupInfo) (err error) = GetStartupInfoW
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236 //sys GetProcessTimes(handle Handle, creationTime *Filetime, exitTime *Filetime, kernelTime *Filetime, userTime *Filetime) (err error)
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237 //sys DuplicateHandle(hSourceProcessHandle Handle, hSourceHandle Handle, hTargetProcessHandle Handle, lpTargetHandle *Handle, dwDesiredAccess uint32, bInheritHandle bool, dwOptions uint32) (err error)
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238 //sys WaitForSingleObject(handle Handle, waitMilliseconds uint32) (event uint32, err error) [failretval==0xffffffff]
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239 //sys waitForMultipleObjects(count uint32, handles uintptr, waitAll bool, waitMilliseconds uint32) (event uint32, err error) [failretval==0xffffffff] = WaitForMultipleObjects
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240 //sys GetTempPath(buflen uint32, buf *uint16) (n uint32, err error) = GetTempPathW
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241 //sys CreatePipe(readhandle *Handle, writehandle *Handle, sa *SecurityAttributes, size uint32) (err error)
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242 //sys GetFileType(filehandle Handle) (n uint32, err error)
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243 //sys CryptAcquireContext(provhandle *Handle, container *uint16, provider *uint16, provtype uint32, flags uint32) (err error) = advapi32.CryptAcquireContextW
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244 //sys CryptReleaseContext(provhandle Handle, flags uint32) (err error) = advapi32.CryptReleaseContext
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245 //sys CryptGenRandom(provhandle Handle, buflen uint32, buf *byte) (err error) = advapi32.CryptGenRandom
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246 //sys GetEnvironmentStrings() (envs *uint16, err error) [failretval==nil] = kernel32.GetEnvironmentStringsW
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247 //sys FreeEnvironmentStrings(envs *uint16) (err error) = kernel32.FreeEnvironmentStringsW
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248 //sys GetEnvironmentVariable(name *uint16, buffer *uint16, size uint32) (n uint32, err error) = kernel32.GetEnvironmentVariableW
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249 //sys SetEnvironmentVariable(name *uint16, value *uint16) (err error) = kernel32.SetEnvironmentVariableW
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250 //sys ExpandEnvironmentStrings(src *uint16, dst *uint16, size uint32) (n uint32, err error) = kernel32.ExpandEnvironmentStringsW
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251 //sys CreateEnvironmentBlock(block **uint16, token Token, inheritExisting bool) (err error) = userenv.CreateEnvironmentBlock
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252 //sys DestroyEnvironmentBlock(block *uint16) (err error) = userenv.DestroyEnvironmentBlock
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253 //sys getTickCount64() (ms uint64) = kernel32.GetTickCount64
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254 //sys SetFileTime(handle Handle, ctime *Filetime, atime *Filetime, wtime *Filetime) (err error)
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255 //sys GetFileAttributes(name *uint16) (attrs uint32, err error) [failretval==INVALID_FILE_ATTRIBUTES] = kernel32.GetFileAttributesW
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256 //sys SetFileAttributes(name *uint16, attrs uint32) (err error) = kernel32.SetFileAttributesW
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257 //sys GetFileAttributesEx(name *uint16, level uint32, info *byte) (err error) = kernel32.GetFileAttributesExW
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258 //sys GetCommandLine() (cmd *uint16) = kernel32.GetCommandLineW
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259 //sys CommandLineToArgv(cmd *uint16, argc *int32) (argv *[8192]*[8192]uint16, err error) [failretval==nil] = shell32.CommandLineToArgvW
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260 //sys LocalFree(hmem Handle) (handle Handle, err error) [failretval!=0]
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261 //sys LocalAlloc(flags uint32, length uint32) (ptr uintptr, err error)
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262 //sys SetHandleInformation(handle Handle, mask uint32, flags uint32) (err error)
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263 //sys FlushFileBuffers(handle Handle) (err error)
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264 //sys GetFullPathName(path *uint16, buflen uint32, buf *uint16, fname **uint16) (n uint32, err error) = kernel32.GetFullPathNameW
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265 //sys GetLongPathName(path *uint16, buf *uint16, buflen uint32) (n uint32, err error) = kernel32.GetLongPathNameW
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266 //sys GetShortPathName(longpath *uint16, shortpath *uint16, buflen uint32) (n uint32, err error) = kernel32.GetShortPathNameW
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267 //sys GetFinalPathNameByHandle(file Handle, filePath *uint16, filePathSize uint32, flags uint32) (n uint32, err error) = kernel32.GetFinalPathNameByHandleW
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268 //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
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269 //sys MapViewOfFile(handle Handle, access uint32, offsetHigh uint32, offsetLow uint32, length uintptr) (addr uintptr, err error)
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270 //sys UnmapViewOfFile(addr uintptr) (err error)
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271 //sys FlushViewOfFile(addr uintptr, length uintptr) (err error)
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272 //sys VirtualLock(addr uintptr, length uintptr) (err error)
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273 //sys VirtualUnlock(addr uintptr, length uintptr) (err error)
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274 //sys VirtualAlloc(address uintptr, size uintptr, alloctype uint32, protect uint32) (value uintptr, err error) = kernel32.VirtualAlloc
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275 //sys VirtualFree(address uintptr, size uintptr, freetype uint32) (err error) = kernel32.VirtualFree
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276 //sys VirtualProtect(address uintptr, size uintptr, newprotect uint32, oldprotect *uint32) (err error) = kernel32.VirtualProtect
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277 //sys VirtualProtectEx(process Handle, address uintptr, size uintptr, newProtect uint32, oldProtect *uint32) (err error) = kernel32.VirtualProtectEx
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278 //sys VirtualQuery(address uintptr, buffer *MemoryBasicInformation, length uintptr) (err error) = kernel32.VirtualQuery
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279 //sys VirtualQueryEx(process Handle, address uintptr, buffer *MemoryBasicInformation, length uintptr) (err error) = kernel32.VirtualQueryEx
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280 //sys ReadProcessMemory(process Handle, baseAddress uintptr, buffer *byte, size uintptr, numberOfBytesRead *uintptr) (err error) = kernel32.ReadProcessMemory
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281 //sys WriteProcessMemory(process Handle, baseAddress uintptr, buffer *byte, size uintptr, numberOfBytesWritten *uintptr) (err error) = kernel32.WriteProcessMemory
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282 //sys TransmitFile(s Handle, handle Handle, bytesToWrite uint32, bytsPerSend uint32, overlapped *Overlapped, transmitFileBuf *TransmitFileBuffers, flags uint32) (err error) = mswsock.TransmitFile
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283 //sys ReadDirectoryChanges(handle Handle, buf *byte, buflen uint32, watchSubTree bool, mask uint32, retlen *uint32, overlapped *Overlapped, completionRoutine uintptr) (err error) = kernel32.ReadDirectoryChangesW
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284 //sys FindFirstChangeNotification(path string, watchSubtree bool, notifyFilter uint32) (handle Handle, err error) [failretval==InvalidHandle] = kernel32.FindFirstChangeNotificationW
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285 //sys FindNextChangeNotification(handle Handle) (err error)
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286 //sys FindCloseChangeNotification(handle Handle) (err error)
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287 //sys CertOpenSystemStore(hprov Handle, name *uint16) (store Handle, err error) = crypt32.CertOpenSystemStoreW
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288 //sys CertOpenStore(storeProvider uintptr, msgAndCertEncodingType uint32, cryptProv uintptr, flags uint32, para uintptr) (handle Handle, err error) = crypt32.CertOpenStore
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289 //sys CertEnumCertificatesInStore(store Handle, prevContext *CertContext) (context *CertContext, err error) [failretval==nil] = crypt32.CertEnumCertificatesInStore
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290 //sys CertAddCertificateContextToStore(store Handle, certContext *CertContext, addDisposition uint32, storeContext **CertContext) (err error) = crypt32.CertAddCertificateContextToStore
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291 //sys CertCloseStore(store Handle, flags uint32) (err error) = crypt32.CertCloseStore
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292 //sys CertDeleteCertificateFromStore(certContext *CertContext) (err error) = crypt32.CertDeleteCertificateFromStore
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293 //sys CertDuplicateCertificateContext(certContext *CertContext) (dupContext *CertContext) = crypt32.CertDuplicateCertificateContext
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294 //sys PFXImportCertStore(pfx *CryptDataBlob, password *uint16, flags uint32) (store Handle, err error) = crypt32.PFXImportCertStore
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295 //sys CertGetCertificateChain(engine Handle, leaf *CertContext, time *Filetime, additionalStore Handle, para *CertChainPara, flags uint32, reserved uintptr, chainCtx **CertChainContext) (err error) = crypt32.CertGetCertificateChain
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296 //sys CertFreeCertificateChain(ctx *CertChainContext) = crypt32.CertFreeCertificateChain
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297 //sys CertCreateCertificateContext(certEncodingType uint32, certEncoded *byte, encodedLen uint32) (context *CertContext, err error) [failretval==nil] = crypt32.CertCreateCertificateContext
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298 //sys CertFreeCertificateContext(ctx *CertContext) (err error) = crypt32.CertFreeCertificateContext
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299 //sys CertVerifyCertificateChainPolicy(policyOID uintptr, chain *CertChainContext, para *CertChainPolicyPara, status *CertChainPolicyStatus) (err error) = crypt32.CertVerifyCertificateChainPolicy
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300 //sys CertGetNameString(certContext *CertContext, nameType uint32, flags uint32, typePara unsafe.Pointer, name *uint16, size uint32) (chars uint32) = crypt32.CertGetNameStringW
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301 //sys CertFindExtension(objId *byte, countExtensions uint32, extensions *CertExtension) (ret *CertExtension) = crypt32.CertFindExtension
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302 //sys CertFindCertificateInStore(store Handle, certEncodingType uint32, findFlags uint32, findType uint32, findPara unsafe.Pointer, prevCertContext *CertContext) (cert *CertContext, err error) [failretval==nil] = crypt32.CertFindCertificateInStore
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303 //sys CertFindChainInStore(store Handle, certEncodingType uint32, findFlags uint32, findType uint32, findPara unsafe.Pointer, prevChainContext *CertChainContext) (certchain *CertChainContext, err error) [failretval==nil] = crypt32.CertFindChainInStore
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304 //sys CryptAcquireCertificatePrivateKey(cert *CertContext, flags uint32, parameters unsafe.Pointer, cryptProvOrNCryptKey *Handle, keySpec *uint32, callerFreeProvOrNCryptKey *bool) (err error) = crypt32.CryptAcquireCertificatePrivateKey
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305 //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
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306 //sys CryptDecodeObject(encodingType uint32, structType *byte, encodedBytes *byte, lenEncodedBytes uint32, flags uint32, decoded unsafe.Pointer, decodedLen *uint32) (err error) = crypt32.CryptDecodeObject
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307 //sys CryptProtectData(dataIn *DataBlob, name *uint16, optionalEntropy *DataBlob, reserved uintptr, promptStruct *CryptProtectPromptStruct, flags uint32, dataOut *DataBlob) (err error) = crypt32.CryptProtectData
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308 //sys CryptUnprotectData(dataIn *DataBlob, name **uint16, optionalEntropy *DataBlob, reserved uintptr, promptStruct *CryptProtectPromptStruct, flags uint32, dataOut *DataBlob) (err error) = crypt32.CryptUnprotectData
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309 //sys WinVerifyTrustEx(hwnd HWND, actionId *GUID, data *WinTrustData) (ret error) = wintrust.WinVerifyTrustEx
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310 //sys RegOpenKeyEx(key Handle, subkey *uint16, options uint32, desiredAccess uint32, result *Handle) (regerrno error) = advapi32.RegOpenKeyExW
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311 //sys RegCloseKey(key Handle) (regerrno error) = advapi32.RegCloseKey
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312 //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
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313 //sys RegEnumKeyEx(key Handle, index uint32, name *uint16, nameLen *uint32, reserved *uint32, class *uint16, classLen *uint32, lastWriteTime *Filetime) (regerrno error) = advapi32.RegEnumKeyExW
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314 //sys RegQueryValueEx(key Handle, name *uint16, reserved *uint32, valtype *uint32, buf *byte, buflen *uint32) (regerrno error) = advapi32.RegQueryValueExW
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315 //sys RegNotifyChangeKeyValue(key Handle, watchSubtree bool, notifyFilter uint32, event Handle, asynchronous bool) (regerrno error) = advapi32.RegNotifyChangeKeyValue
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316 //sys GetCurrentProcessId() (pid uint32) = kernel32.GetCurrentProcessId
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317 //sys ProcessIdToSessionId(pid uint32, sessionid *uint32) (err error) = kernel32.ProcessIdToSessionId
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318 //sys GetConsoleMode(console Handle, mode *uint32) (err error) = kernel32.GetConsoleMode
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319 //sys SetConsoleMode(console Handle, mode uint32) (err error) = kernel32.SetConsoleMode
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320 //sys GetConsoleScreenBufferInfo(console Handle, info *ConsoleScreenBufferInfo) (err error) = kernel32.GetConsoleScreenBufferInfo
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321 //sys setConsoleCursorPosition(console Handle, position uint32) (err error) = kernel32.SetConsoleCursorPosition
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322 //sys WriteConsole(console Handle, buf *uint16, towrite uint32, written *uint32, reserved *byte) (err error) = kernel32.WriteConsoleW
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323 //sys ReadConsole(console Handle, buf *uint16, toread uint32, read *uint32, inputControl *byte) (err error) = kernel32.ReadConsoleW
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324 //sys CreateToolhelp32Snapshot(flags uint32, processId uint32) (handle Handle, err error) [failretval==InvalidHandle] = kernel32.CreateToolhelp32Snapshot
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325 //sys Module32First(snapshot Handle, moduleEntry *ModuleEntry32) (err error) = kernel32.Module32FirstW
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326 //sys Module32Next(snapshot Handle, moduleEntry *ModuleEntry32) (err error) = kernel32.Module32NextW
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327 //sys Process32First(snapshot Handle, procEntry *ProcessEntry32) (err error) = kernel32.Process32FirstW
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328 //sys Process32Next(snapshot Handle, procEntry *ProcessEntry32) (err error) = kernel32.Process32NextW
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329 //sys Thread32First(snapshot Handle, threadEntry *ThreadEntry32) (err error)
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330 //sys Thread32Next(snapshot Handle, threadEntry *ThreadEntry32) (err error)
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331 //sys DeviceIoControl(handle Handle, ioControlCode uint32, inBuffer *byte, inBufferSize uint32, outBuffer *byte, outBufferSize uint32, bytesReturned *uint32, overlapped *Overlapped) (err error)
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332 // This function returns 1 byte BOOLEAN rather than the 4 byte BOOL.
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333 //sys CreateSymbolicLink(symlinkfilename *uint16, targetfilename *uint16, flags uint32) (err error) [failretval&0xff==0] = CreateSymbolicLinkW
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334 //sys CreateHardLink(filename *uint16, existingfilename *uint16, reserved uintptr) (err error) [failretval&0xff==0] = CreateHardLinkW
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335 //sys GetCurrentThreadId() (id uint32)
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336 //sys CreateEvent(eventAttrs *SecurityAttributes, manualReset uint32, initialState uint32, name *uint16) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateEventW
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337 //sys CreateEventEx(eventAttrs *SecurityAttributes, name *uint16, flags uint32, desiredAccess uint32) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateEventExW
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338 //sys OpenEvent(desiredAccess uint32, inheritHandle bool, name *uint16) (handle Handle, err error) = kernel32.OpenEventW
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339 //sys SetEvent(event Handle) (err error) = kernel32.SetEvent
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340 //sys ResetEvent(event Handle) (err error) = kernel32.ResetEvent
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341 //sys PulseEvent(event Handle) (err error) = kernel32.PulseEvent
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342 //sys CreateMutex(mutexAttrs *SecurityAttributes, initialOwner bool, name *uint16) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateMutexW
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343 //sys CreateMutexEx(mutexAttrs *SecurityAttributes, name *uint16, flags uint32, desiredAccess uint32) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateMutexExW
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344 //sys OpenMutex(desiredAccess uint32, inheritHandle bool, name *uint16) (handle Handle, err error) = kernel32.OpenMutexW
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345 //sys ReleaseMutex(mutex Handle) (err error) = kernel32.ReleaseMutex
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346 //sys SleepEx(milliseconds uint32, alertable bool) (ret uint32) = kernel32.SleepEx
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347 //sys CreateJobObject(jobAttr *SecurityAttributes, name *uint16) (handle Handle, err error) = kernel32.CreateJobObjectW
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348 //sys AssignProcessToJobObject(job Handle, process Handle) (err error) = kernel32.AssignProcessToJobObject
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349 //sys TerminateJobObject(job Handle, exitCode uint32) (err error) = kernel32.TerminateJobObject
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350 //sys SetErrorMode(mode uint32) (ret uint32) = kernel32.SetErrorMode
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351 //sys ResumeThread(thread Handle) (ret uint32, err error) [failretval==0xffffffff] = kernel32.ResumeThread
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352 //sys SetPriorityClass(process Handle, priorityClass uint32) (err error) = kernel32.SetPriorityClass
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353 //sys GetPriorityClass(process Handle) (ret uint32, err error) = kernel32.GetPriorityClass
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354 //sys QueryInformationJobObject(job Handle, JobObjectInformationClass int32, JobObjectInformation uintptr, JobObjectInformationLength uint32, retlen *uint32) (err error) = kernel32.QueryInformationJobObject
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355 //sys SetInformationJobObject(job Handle, JobObjectInformationClass uint32, JobObjectInformation uintptr, JobObjectInformationLength uint32) (ret int, err error)
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356 //sys GenerateConsoleCtrlEvent(ctrlEvent uint32, processGroupID uint32) (err error)
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357 //sys GetProcessId(process Handle) (id uint32, err error)
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358 //sys QueryFullProcessImageName(proc Handle, flags uint32, exeName *uint16, size *uint32) (err error) = kernel32.QueryFullProcessImageNameW
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359 //sys OpenThread(desiredAccess uint32, inheritHandle bool, threadId uint32) (handle Handle, err error)
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360 //sys SetProcessPriorityBoost(process Handle, disable bool) (err error) = kernel32.SetProcessPriorityBoost
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361 //sys GetProcessWorkingSetSizeEx(hProcess Handle, lpMinimumWorkingSetSize *uintptr, lpMaximumWorkingSetSize *uintptr, flags *uint32)
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362 //sys SetProcessWorkingSetSizeEx(hProcess Handle, dwMinimumWorkingSetSize uintptr, dwMaximumWorkingSetSize uintptr, flags uint32) (err error)
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363 //sys GetCommTimeouts(handle Handle, timeouts *CommTimeouts) (err error)
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364 //sys SetCommTimeouts(handle Handle, timeouts *CommTimeouts) (err error)
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365 //sys GetActiveProcessorCount(groupNumber uint16) (ret uint32)
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366 //sys GetMaximumProcessorCount(groupNumber uint16) (ret uint32)
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367
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368 // Volume Management Functions
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369 //sys DefineDosDevice(flags uint32, deviceName *uint16, targetPath *uint16) (err error) = DefineDosDeviceW
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370 //sys DeleteVolumeMountPoint(volumeMountPoint *uint16) (err error) = DeleteVolumeMountPointW
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371 //sys FindFirstVolume(volumeName *uint16, bufferLength uint32) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstVolumeW
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372 //sys FindFirstVolumeMountPoint(rootPathName *uint16, volumeMountPoint *uint16, bufferLength uint32) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstVolumeMountPointW
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373 //sys FindNextVolume(findVolume Handle, volumeName *uint16, bufferLength uint32) (err error) = FindNextVolumeW
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374 //sys FindNextVolumeMountPoint(findVolumeMountPoint Handle, volumeMountPoint *uint16, bufferLength uint32) (err error) = FindNextVolumeMountPointW
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375 //sys FindVolumeClose(findVolume Handle) (err error)
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376 //sys FindVolumeMountPointClose(findVolumeMountPoint Handle) (err error)
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377 //sys GetDiskFreeSpaceEx(directoryName *uint16, freeBytesAvailableToCaller *uint64, totalNumberOfBytes *uint64, totalNumberOfFreeBytes *uint64) (err error) = GetDiskFreeSpaceExW
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378 //sys GetDriveType(rootPathName *uint16) (driveType uint32) = GetDriveTypeW
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379 //sys GetLogicalDrives() (drivesBitMask uint32, err error) [failretval==0]
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380 //sys GetLogicalDriveStrings(bufferLength uint32, buffer *uint16) (n uint32, err error) [failretval==0] = GetLogicalDriveStringsW
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381 //sys GetVolumeInformation(rootPathName *uint16, volumeNameBuffer *uint16, volumeNameSize uint32, volumeNameSerialNumber *uint32, maximumComponentLength *uint32, fileSystemFlags *uint32, fileSystemNameBuffer *uint16, fileSystemNameSize uint32) (err error) = GetVolumeInformationW
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382 //sys GetVolumeInformationByHandle(file Handle, volumeNameBuffer *uint16, volumeNameSize uint32, volumeNameSerialNumber *uint32, maximumComponentLength *uint32, fileSystemFlags *uint32, fileSystemNameBuffer *uint16, fileSystemNameSize uint32) (err error) = GetVolumeInformationByHandleW
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383 //sys GetVolumeNameForVolumeMountPoint(volumeMountPoint *uint16, volumeName *uint16, bufferlength uint32) (err error) = GetVolumeNameForVolumeMountPointW
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384 //sys GetVolumePathName(fileName *uint16, volumePathName *uint16, bufferLength uint32) (err error) = GetVolumePathNameW
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385 //sys GetVolumePathNamesForVolumeName(volumeName *uint16, volumePathNames *uint16, bufferLength uint32, returnLength *uint32) (err error) = GetVolumePathNamesForVolumeNameW
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386 //sys QueryDosDevice(deviceName *uint16, targetPath *uint16, max uint32) (n uint32, err error) [failretval==0] = QueryDosDeviceW
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387 //sys SetVolumeLabel(rootPathName *uint16, volumeName *uint16) (err error) = SetVolumeLabelW
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388 //sys SetVolumeMountPoint(volumeMountPoint *uint16, volumeName *uint16) (err error) = SetVolumeMountPointW
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389 //sys InitiateSystemShutdownEx(machineName *uint16, message *uint16, timeout uint32, forceAppsClosed bool, rebootAfterShutdown bool, reason uint32) (err error) = advapi32.InitiateSystemShutdownExW
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390 //sys SetProcessShutdownParameters(level uint32, flags uint32) (err error) = kernel32.SetProcessShutdownParameters
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391 //sys GetProcessShutdownParameters(level *uint32, flags *uint32) (err error) = kernel32.GetProcessShutdownParameters
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392 //sys clsidFromString(lpsz *uint16, pclsid *GUID) (ret error) = ole32.CLSIDFromString
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393 //sys stringFromGUID2(rguid *GUID, lpsz *uint16, cchMax int32) (chars int32) = ole32.StringFromGUID2
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394 //sys coCreateGuid(pguid *GUID) (ret error) = ole32.CoCreateGuid
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395 //sys CoTaskMemFree(address unsafe.Pointer) = ole32.CoTaskMemFree
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396 //sys CoInitializeEx(reserved uintptr, coInit uint32) (ret error) = ole32.CoInitializeEx
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397 //sys CoUninitialize() = ole32.CoUninitialize
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398 //sys CoGetObject(name *uint16, bindOpts *BIND_OPTS3, guid *GUID, functionTable **uintptr) (ret error) = ole32.CoGetObject
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399 //sys getProcessPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetProcessPreferredUILanguages
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400 //sys getThreadPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetThreadPreferredUILanguages
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401 //sys getUserPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetUserPreferredUILanguages
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402 //sys getSystemPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetSystemPreferredUILanguages
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403 //sys findResource(module Handle, name uintptr, resType uintptr) (resInfo Handle, err error) = kernel32.FindResourceW
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404 //sys SizeofResource(module Handle, resInfo Handle) (size uint32, err error) = kernel32.SizeofResource
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405 //sys LoadResource(module Handle, resInfo Handle) (resData Handle, err error) = kernel32.LoadResource
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406 //sys LockResource(resData Handle) (addr uintptr, err error) = kernel32.LockResource
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407
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408 // Version APIs
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409 //sys GetFileVersionInfoSize(filename string, zeroHandle *Handle) (bufSize uint32, err error) = version.GetFileVersionInfoSizeW
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410 //sys GetFileVersionInfo(filename string, handle uint32, bufSize uint32, buffer unsafe.Pointer) (err error) = version.GetFileVersionInfoW
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411 //sys VerQueryValue(block unsafe.Pointer, subBlock string, pointerToBufferPointer unsafe.Pointer, bufSize *uint32) (err error) = version.VerQueryValueW
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412
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413 // Process Status API (PSAPI)
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414 //sys EnumProcesses(processIds []uint32, bytesReturned *uint32) (err error) = psapi.EnumProcesses
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415 //sys EnumProcessModules(process Handle, module *Handle, cb uint32, cbNeeded *uint32) (err error) = psapi.EnumProcessModules
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416 //sys EnumProcessModulesEx(process Handle, module *Handle, cb uint32, cbNeeded *uint32, filterFlag uint32) (err error) = psapi.EnumProcessModulesEx
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417 //sys GetModuleInformation(process Handle, module Handle, modinfo *ModuleInfo, cb uint32) (err error) = psapi.GetModuleInformation
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418 //sys GetModuleFileNameEx(process Handle, module Handle, filename *uint16, size uint32) (err error) = psapi.GetModuleFileNameExW
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419 //sys GetModuleBaseName(process Handle, module Handle, baseName *uint16, size uint32) (err error) = psapi.GetModuleBaseNameW
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420
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421 // NT Native APIs
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422 //sys rtlNtStatusToDosErrorNoTeb(ntstatus NTStatus) (ret syscall.Errno) = ntdll.RtlNtStatusToDosErrorNoTeb
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423 //sys rtlGetVersion(info *OsVersionInfoEx) (ntstatus error) = ntdll.RtlGetVersion
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424 //sys rtlGetNtVersionNumbers(majorVersion *uint32, minorVersion *uint32, buildNumber *uint32) = ntdll.RtlGetNtVersionNumbers
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425 //sys RtlGetCurrentPeb() (peb *PEB) = ntdll.RtlGetCurrentPeb
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426 //sys RtlInitUnicodeString(destinationString *NTUnicodeString, sourceString *uint16) = ntdll.RtlInitUnicodeString
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427 //sys RtlInitString(destinationString *NTString, sourceString *byte) = ntdll.RtlInitString
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428 //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
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429 //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
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430 //sys NtSetInformationFile(handle Handle, iosb *IO_STATUS_BLOCK, inBuffer *byte, inBufferLen uint32, class uint32) (ntstatus error) = ntdll.NtSetInformationFile
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431 //sys RtlDosPathNameToNtPathName(dosName *uint16, ntName *NTUnicodeString, ntFileNamePart *uint16, relativeName *RTL_RELATIVE_NAME) (ntstatus error) = ntdll.RtlDosPathNameToNtPathName_U_WithStatus
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432 //sys RtlDosPathNameToRelativeNtPathName(dosName *uint16, ntName *NTUnicodeString, ntFileNamePart *uint16, relativeName *RTL_RELATIVE_NAME) (ntstatus error) = ntdll.RtlDosPathNameToRelativeNtPathName_U_WithStatus
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433 //sys RtlDefaultNpAcl(acl **ACL) (ntstatus error) = ntdll.RtlDefaultNpAcl
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434 //sys NtQueryInformationProcess(proc Handle, procInfoClass int32, procInfo unsafe.Pointer, procInfoLen uint32, retLen *uint32) (ntstatus error) = ntdll.NtQueryInformationProcess
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435 //sys NtSetInformationProcess(proc Handle, procInfoClass int32, procInfo unsafe.Pointer, procInfoLen uint32) (ntstatus error) = ntdll.NtSetInformationProcess
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436 //sys NtQuerySystemInformation(sysInfoClass int32, sysInfo unsafe.Pointer, sysInfoLen uint32, retLen *uint32) (ntstatus error) = ntdll.NtQuerySystemInformation
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437 //sys NtSetSystemInformation(sysInfoClass int32, sysInfo unsafe.Pointer, sysInfoLen uint32) (ntstatus error) = ntdll.NtSetSystemInformation
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438 //sys RtlAddFunctionTable(functionTable *RUNTIME_FUNCTION, entryCount uint32, baseAddress uintptr) (ret bool) = ntdll.RtlAddFunctionTable
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439 //sys RtlDeleteFunctionTable(functionTable *RUNTIME_FUNCTION) (ret bool) = ntdll.RtlDeleteFunctionTable
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440
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441 // syscall interface implementation for other packages
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442
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443 // GetCurrentProcess returns the handle for the current process.
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444 // It is a pseudo handle that does not need to be closed.
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445 // The returned error is always nil.
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446 //
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447 // Deprecated: use CurrentProcess for the same Handle without the nil
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448 // error.
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449 func GetCurrentProcess() (Handle, error) {
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450 return CurrentProcess(), nil
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451 }
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452
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453 // CurrentProcess returns the handle for the current process.
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454 // It is a pseudo handle that does not need to be closed.
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455 func CurrentProcess() Handle { return Handle(^uintptr(1 - 1)) }
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456
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457 // GetCurrentThread returns the handle for the current thread.
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458 // It is a pseudo handle that does not need to be closed.
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459 // The returned error is always nil.
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460 //
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461 // Deprecated: use CurrentThread for the same Handle without the nil
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462 // error.
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463 func GetCurrentThread() (Handle, error) {
|
|
|
464 return CurrentThread(), nil
|
|
|
465 }
|
|
|
466
|
|
|
467 // CurrentThread returns the handle for the current thread.
|
|
|
468 // It is a pseudo handle that does not need to be closed.
|
|
|
469 func CurrentThread() Handle { return Handle(^uintptr(2 - 1)) }
|
|
|
470
|
|
|
471 // GetProcAddressByOrdinal retrieves the address of the exported
|
|
|
472 // function from module by ordinal.
|
|
|
473 func GetProcAddressByOrdinal(module Handle, ordinal uintptr) (proc uintptr, err error) {
|
|
|
474 r0, _, e1 := syscall.Syscall(procGetProcAddress.Addr(), 2, uintptr(module), ordinal, 0)
|
|
|
475 proc = uintptr(r0)
|
|
|
476 if proc == 0 {
|
|
|
477 err = errnoErr(e1)
|
|
|
478 }
|
|
|
479 return
|
|
|
480 }
|
|
|
481
|
|
|
482 func Exit(code int) { ExitProcess(uint32(code)) }
|
|
|
483
|
|
|
484 func makeInheritSa() *SecurityAttributes {
|
|
|
485 var sa SecurityAttributes
|
|
|
486 sa.Length = uint32(unsafe.Sizeof(sa))
|
|
|
487 sa.InheritHandle = 1
|
|
|
488 return &sa
|
|
|
489 }
|
|
|
490
|
|
|
491 func Open(path string, mode int, perm uint32) (fd Handle, err error) {
|
|
|
492 if len(path) == 0 {
|
|
|
493 return InvalidHandle, ERROR_FILE_NOT_FOUND
|
|
|
494 }
|
|
|
495 pathp, err := UTF16PtrFromString(path)
|
|
|
496 if err != nil {
|
|
|
497 return InvalidHandle, err
|
|
|
498 }
|
|
|
499 var access uint32
|
|
|
500 switch mode & (O_RDONLY | O_WRONLY | O_RDWR) {
|
|
|
501 case O_RDONLY:
|
|
|
502 access = GENERIC_READ
|
|
|
503 case O_WRONLY:
|
|
|
504 access = GENERIC_WRITE
|
|
|
505 case O_RDWR:
|
|
|
506 access = GENERIC_READ | GENERIC_WRITE
|
|
|
507 }
|
|
|
508 if mode&O_CREAT != 0 {
|
|
|
509 access |= GENERIC_WRITE
|
|
|
510 }
|
|
|
511 if mode&O_APPEND != 0 {
|
|
|
512 access &^= GENERIC_WRITE
|
|
|
513 access |= FILE_APPEND_DATA
|
|
|
514 }
|
|
|
515 sharemode := uint32(FILE_SHARE_READ | FILE_SHARE_WRITE)
|
|
|
516 var sa *SecurityAttributes
|
|
|
517 if mode&O_CLOEXEC == 0 {
|
|
|
518 sa = makeInheritSa()
|
|
|
519 }
|
|
|
520 var createmode uint32
|
|
|
521 switch {
|
|
|
522 case mode&(O_CREAT|O_EXCL) == (O_CREAT | O_EXCL):
|
|
|
523 createmode = CREATE_NEW
|
|
|
524 case mode&(O_CREAT|O_TRUNC) == (O_CREAT | O_TRUNC):
|
|
|
525 createmode = CREATE_ALWAYS
|
|
|
526 case mode&O_CREAT == O_CREAT:
|
|
|
527 createmode = OPEN_ALWAYS
|
|
|
528 case mode&O_TRUNC == O_TRUNC:
|
|
|
529 createmode = TRUNCATE_EXISTING
|
|
|
530 default:
|
|
|
531 createmode = OPEN_EXISTING
|
|
|
532 }
|
|
|
533 var attrs uint32 = FILE_ATTRIBUTE_NORMAL
|
|
|
534 if perm&S_IWRITE == 0 {
|
|
|
535 attrs = FILE_ATTRIBUTE_READONLY
|
|
|
536 }
|
|
|
537 h, e := CreateFile(pathp, access, sharemode, sa, createmode, attrs, 0)
|
|
|
538 return h, e
|
|
|
539 }
|
|
|
540
|
|
|
541 func Read(fd Handle, p []byte) (n int, err error) {
|
|
|
542 var done uint32
|
|
|
543 e := ReadFile(fd, p, &done, nil)
|
|
|
544 if e != nil {
|
|
|
545 if e == ERROR_BROKEN_PIPE {
|
|
|
546 // NOTE(brainman): work around ERROR_BROKEN_PIPE is returned on reading EOF from stdin
|
|
|
547 return 0, nil
|
|
|
548 }
|
|
|
549 return 0, e
|
|
|
550 }
|
|
|
551 return int(done), nil
|
|
|
552 }
|
|
|
553
|
|
|
554 func Write(fd Handle, p []byte) (n int, err error) {
|
|
|
555 if raceenabled {
|
|
|
556 raceReleaseMerge(unsafe.Pointer(&ioSync))
|
|
|
557 }
|
|
|
558 var done uint32
|
|
|
559 e := WriteFile(fd, p, &done, nil)
|
|
|
560 if e != nil {
|
|
|
561 return 0, e
|
|
|
562 }
|
|
|
563 return int(done), nil
|
|
|
564 }
|
|
|
565
|
|
|
566 func ReadFile(fd Handle, p []byte, done *uint32, overlapped *Overlapped) error {
|
|
|
567 err := readFile(fd, p, done, overlapped)
|
|
|
568 if raceenabled {
|
|
|
569 if *done > 0 {
|
|
|
570 raceWriteRange(unsafe.Pointer(&p[0]), int(*done))
|
|
|
571 }
|
|
|
572 raceAcquire(unsafe.Pointer(&ioSync))
|
|
|
573 }
|
|
|
574 return err
|
|
|
575 }
|
|
|
576
|
|
|
577 func WriteFile(fd Handle, p []byte, done *uint32, overlapped *Overlapped) error {
|
|
|
578 if raceenabled {
|
|
|
579 raceReleaseMerge(unsafe.Pointer(&ioSync))
|
|
|
580 }
|
|
|
581 err := writeFile(fd, p, done, overlapped)
|
|
|
582 if raceenabled && *done > 0 {
|
|
|
583 raceReadRange(unsafe.Pointer(&p[0]), int(*done))
|
|
|
584 }
|
|
|
585 return err
|
|
|
586 }
|
|
|
587
|
|
|
588 var ioSync int64
|
|
|
589
|
|
|
590 func Seek(fd Handle, offset int64, whence int) (newoffset int64, err error) {
|
|
|
591 var w uint32
|
|
|
592 switch whence {
|
|
|
593 case 0:
|
|
|
594 w = FILE_BEGIN
|
|
|
595 case 1:
|
|
|
596 w = FILE_CURRENT
|
|
|
597 case 2:
|
|
|
598 w = FILE_END
|
|
|
599 }
|
|
|
600 hi := int32(offset >> 32)
|
|
|
601 lo := int32(offset)
|
|
|
602 // use GetFileType to check pipe, pipe can't do seek
|
|
|
603 ft, _ := GetFileType(fd)
|
|
|
604 if ft == FILE_TYPE_PIPE {
|
|
|
605 return 0, syscall.EPIPE
|
|
|
606 }
|
|
|
607 rlo, e := SetFilePointer(fd, lo, &hi, w)
|
|
|
608 if e != nil {
|
|
|
609 return 0, e
|
|
|
610 }
|
|
|
611 return int64(hi)<<32 + int64(rlo), nil
|
|
|
612 }
|
|
|
613
|
|
|
614 func Close(fd Handle) (err error) {
|
|
|
615 return CloseHandle(fd)
|
|
|
616 }
|
|
|
617
|
|
|
618 var (
|
|
|
619 Stdin = getStdHandle(STD_INPUT_HANDLE)
|
|
|
620 Stdout = getStdHandle(STD_OUTPUT_HANDLE)
|
|
|
621 Stderr = getStdHandle(STD_ERROR_HANDLE)
|
|
|
622 )
|
|
|
623
|
|
|
624 func getStdHandle(stdhandle uint32) (fd Handle) {
|
|
|
625 r, _ := GetStdHandle(stdhandle)
|
|
|
626 return r
|
|
|
627 }
|
|
|
628
|
|
|
629 const ImplementsGetwd = true
|
|
|
630
|
|
|
631 func Getwd() (wd string, err error) {
|
|
|
632 b := make([]uint16, 300)
|
|
|
633 n, e := GetCurrentDirectory(uint32(len(b)), &b[0])
|
|
|
634 if e != nil {
|
|
|
635 return "", e
|
|
|
636 }
|
|
|
637 return string(utf16.Decode(b[0:n])), nil
|
|
|
638 }
|
|
|
639
|
|
|
640 func Chdir(path string) (err error) {
|
|
|
641 pathp, err := UTF16PtrFromString(path)
|
|
|
642 if err != nil {
|
|
|
643 return err
|
|
|
644 }
|
|
|
645 return SetCurrentDirectory(pathp)
|
|
|
646 }
|
|
|
647
|
|
|
648 func Mkdir(path string, mode uint32) (err error) {
|
|
|
649 pathp, err := UTF16PtrFromString(path)
|
|
|
650 if err != nil {
|
|
|
651 return err
|
|
|
652 }
|
|
|
653 return CreateDirectory(pathp, nil)
|
|
|
654 }
|
|
|
655
|
|
|
656 func Rmdir(path string) (err error) {
|
|
|
657 pathp, err := UTF16PtrFromString(path)
|
|
|
658 if err != nil {
|
|
|
659 return err
|
|
|
660 }
|
|
|
661 return RemoveDirectory(pathp)
|
|
|
662 }
|
|
|
663
|
|
|
664 func Unlink(path string) (err error) {
|
|
|
665 pathp, err := UTF16PtrFromString(path)
|
|
|
666 if err != nil {
|
|
|
667 return err
|
|
|
668 }
|
|
|
669 return DeleteFile(pathp)
|
|
|
670 }
|
|
|
671
|
|
|
672 func Rename(oldpath, newpath string) (err error) {
|
|
|
673 from, err := UTF16PtrFromString(oldpath)
|
|
|
674 if err != nil {
|
|
|
675 return err
|
|
|
676 }
|
|
|
677 to, err := UTF16PtrFromString(newpath)
|
|
|
678 if err != nil {
|
|
|
679 return err
|
|
|
680 }
|
|
|
681 return MoveFileEx(from, to, MOVEFILE_REPLACE_EXISTING)
|
|
|
682 }
|
|
|
683
|
|
|
684 func ComputerName() (name string, err error) {
|
|
|
685 var n uint32 = MAX_COMPUTERNAME_LENGTH + 1
|
|
|
686 b := make([]uint16, n)
|
|
|
687 e := GetComputerName(&b[0], &n)
|
|
|
688 if e != nil {
|
|
|
689 return "", e
|
|
|
690 }
|
|
|
691 return string(utf16.Decode(b[0:n])), nil
|
|
|
692 }
|
|
|
693
|
|
|
694 func DurationSinceBoot() time.Duration {
|
|
|
695 return time.Duration(getTickCount64()) * time.Millisecond
|
|
|
696 }
|
|
|
697
|
|
|
698 func Ftruncate(fd Handle, length int64) (err error) {
|
|
|
699 curoffset, e := Seek(fd, 0, 1)
|
|
|
700 if e != nil {
|
|
|
701 return e
|
|
|
702 }
|
|
|
703 defer Seek(fd, curoffset, 0)
|
|
|
704 _, e = Seek(fd, length, 0)
|
|
|
705 if e != nil {
|
|
|
706 return e
|
|
|
707 }
|
|
|
708 e = SetEndOfFile(fd)
|
|
|
709 if e != nil {
|
|
|
710 return e
|
|
|
711 }
|
|
|
712 return nil
|
|
|
713 }
|
|
|
714
|
|
|
715 func Gettimeofday(tv *Timeval) (err error) {
|
|
|
716 var ft Filetime
|
|
|
717 GetSystemTimeAsFileTime(&ft)
|
|
|
718 *tv = NsecToTimeval(ft.Nanoseconds())
|
|
|
719 return nil
|
|
|
720 }
|
|
|
721
|
|
|
722 func Pipe(p []Handle) (err error) {
|
|
|
723 if len(p) != 2 {
|
|
|
724 return syscall.EINVAL
|
|
|
725 }
|
|
|
726 var r, w Handle
|
|
|
727 e := CreatePipe(&r, &w, makeInheritSa(), 0)
|
|
|
728 if e != nil {
|
|
|
729 return e
|
|
|
730 }
|
|
|
731 p[0] = r
|
|
|
732 p[1] = w
|
|
|
733 return nil
|
|
|
734 }
|
|
|
735
|
|
|
736 func Utimes(path string, tv []Timeval) (err error) {
|
|
|
737 if len(tv) != 2 {
|
|
|
738 return syscall.EINVAL
|
|
|
739 }
|
|
|
740 pathp, e := UTF16PtrFromString(path)
|
|
|
741 if e != nil {
|
|
|
742 return e
|
|
|
743 }
|
|
|
744 h, e := CreateFile(pathp,
|
|
|
745 FILE_WRITE_ATTRIBUTES, FILE_SHARE_WRITE, nil,
|
|
|
746 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0)
|
|
|
747 if e != nil {
|
|
|
748 return e
|
|
|
749 }
|
|
|
750 defer Close(h)
|
|
|
751 a := NsecToFiletime(tv[0].Nanoseconds())
|
|
|
752 w := NsecToFiletime(tv[1].Nanoseconds())
|
|
|
753 return SetFileTime(h, nil, &a, &w)
|
|
|
754 }
|
|
|
755
|
|
|
756 func UtimesNano(path string, ts []Timespec) (err error) {
|
|
|
757 if len(ts) != 2 {
|
|
|
758 return syscall.EINVAL
|
|
|
759 }
|
|
|
760 pathp, e := UTF16PtrFromString(path)
|
|
|
761 if e != nil {
|
|
|
762 return e
|
|
|
763 }
|
|
|
764 h, e := CreateFile(pathp,
|
|
|
765 FILE_WRITE_ATTRIBUTES, FILE_SHARE_WRITE, nil,
|
|
|
766 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0)
|
|
|
767 if e != nil {
|
|
|
768 return e
|
|
|
769 }
|
|
|
770 defer Close(h)
|
|
|
771 a := NsecToFiletime(TimespecToNsec(ts[0]))
|
|
|
772 w := NsecToFiletime(TimespecToNsec(ts[1]))
|
|
|
773 return SetFileTime(h, nil, &a, &w)
|
|
|
774 }
|
|
|
775
|
|
|
776 func Fsync(fd Handle) (err error) {
|
|
|
777 return FlushFileBuffers(fd)
|
|
|
778 }
|
|
|
779
|
|
|
780 func Chmod(path string, mode uint32) (err error) {
|
|
|
781 p, e := UTF16PtrFromString(path)
|
|
|
782 if e != nil {
|
|
|
783 return e
|
|
|
784 }
|
|
|
785 attrs, e := GetFileAttributes(p)
|
|
|
786 if e != nil {
|
|
|
787 return e
|
|
|
788 }
|
|
|
789 if mode&S_IWRITE != 0 {
|
|
|
790 attrs &^= FILE_ATTRIBUTE_READONLY
|
|
|
791 } else {
|
|
|
792 attrs |= FILE_ATTRIBUTE_READONLY
|
|
|
793 }
|
|
|
794 return SetFileAttributes(p, attrs)
|
|
|
795 }
|
|
|
796
|
|
|
797 func LoadGetSystemTimePreciseAsFileTime() error {
|
|
|
798 return procGetSystemTimePreciseAsFileTime.Find()
|
|
|
799 }
|
|
|
800
|
|
|
801 func LoadCancelIoEx() error {
|
|
|
802 return procCancelIoEx.Find()
|
|
|
803 }
|
|
|
804
|
|
|
805 func LoadSetFileCompletionNotificationModes() error {
|
|
|
806 return procSetFileCompletionNotificationModes.Find()
|
|
|
807 }
|
|
|
808
|
|
|
809 func WaitForMultipleObjects(handles []Handle, waitAll bool, waitMilliseconds uint32) (event uint32, err error) {
|
|
|
810 // Every other win32 array API takes arguments as "pointer, count", except for this function. So we
|
|
|
811 // can't declare it as a usual [] type, because mksyscall will use the opposite order. We therefore
|
|
|
812 // trivially stub this ourselves.
|
|
|
813
|
|
|
814 var handlePtr *Handle
|
|
|
815 if len(handles) > 0 {
|
|
|
816 handlePtr = &handles[0]
|
|
|
817 }
|
|
|
818 return waitForMultipleObjects(uint32(len(handles)), uintptr(unsafe.Pointer(handlePtr)), waitAll, waitMilliseconds)
|
|
|
819 }
|
|
|
820
|
|
|
821 // net api calls
|
|
|
822
|
|
|
823 const socket_error = uintptr(^uint32(0))
|
|
|
824
|
|
|
825 //sys WSAStartup(verreq uint32, data *WSAData) (sockerr error) = ws2_32.WSAStartup
|
|
|
826 //sys WSACleanup() (err error) [failretval==socket_error] = ws2_32.WSACleanup
|
|
|
827 //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
|
|
|
828 //sys socket(af int32, typ int32, protocol int32) (handle Handle, err error) [failretval==InvalidHandle] = ws2_32.socket
|
|
|
829 //sys sendto(s Handle, buf []byte, flags int32, to unsafe.Pointer, tolen int32) (err error) [failretval==socket_error] = ws2_32.sendto
|
|
|
830 //sys recvfrom(s Handle, buf []byte, flags int32, from *RawSockaddrAny, fromlen *int32) (n int32, err error) [failretval==-1] = ws2_32.recvfrom
|
|
|
831 //sys Setsockopt(s Handle, level int32, optname int32, optval *byte, optlen int32) (err error) [failretval==socket_error] = ws2_32.setsockopt
|
|
|
832 //sys Getsockopt(s Handle, level int32, optname int32, optval *byte, optlen *int32) (err error) [failretval==socket_error] = ws2_32.getsockopt
|
|
|
833 //sys bind(s Handle, name unsafe.Pointer, namelen int32) (err error) [failretval==socket_error] = ws2_32.bind
|
|
|
834 //sys connect(s Handle, name unsafe.Pointer, namelen int32) (err error) [failretval==socket_error] = ws2_32.connect
|
|
|
835 //sys getsockname(s Handle, rsa *RawSockaddrAny, addrlen *int32) (err error) [failretval==socket_error] = ws2_32.getsockname
|
|
|
836 //sys getpeername(s Handle, rsa *RawSockaddrAny, addrlen *int32) (err error) [failretval==socket_error] = ws2_32.getpeername
|
|
|
837 //sys listen(s Handle, backlog int32) (err error) [failretval==socket_error] = ws2_32.listen
|
|
|
838 //sys shutdown(s Handle, how int32) (err error) [failretval==socket_error] = ws2_32.shutdown
|
|
|
839 //sys Closesocket(s Handle) (err error) [failretval==socket_error] = ws2_32.closesocket
|
|
|
840 //sys AcceptEx(ls Handle, as Handle, buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, recvd *uint32, overlapped *Overlapped) (err error) = mswsock.AcceptEx
|
|
|
841 //sys GetAcceptExSockaddrs(buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, lrsa **RawSockaddrAny, lrsalen *int32, rrsa **RawSockaddrAny, rrsalen *int32) = mswsock.GetAcceptExSockaddrs
|
|
|
842 //sys WSARecv(s Handle, bufs *WSABuf, bufcnt uint32, recvd *uint32, flags *uint32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSARecv
|
|
|
843 //sys WSASend(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSASend
|
|
|
844 //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
|
|
|
845 //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
|
|
|
846 //sys WSASocket(af int32, typ int32, protocol int32, protoInfo *WSAProtocolInfo, group uint32, flags uint32) (handle Handle, err error) [failretval==InvalidHandle] = ws2_32.WSASocketW
|
|
|
847 //sys GetHostByName(name string) (h *Hostent, err error) [failretval==nil] = ws2_32.gethostbyname
|
|
|
848 //sys GetServByName(name string, proto string) (s *Servent, err error) [failretval==nil] = ws2_32.getservbyname
|
|
|
849 //sys Ntohs(netshort uint16) (u uint16) = ws2_32.ntohs
|
|
|
850 //sys GetProtoByName(name string) (p *Protoent, err error) [failretval==nil] = ws2_32.getprotobyname
|
|
|
851 //sys DnsQuery(name string, qtype uint16, options uint32, extra *byte, qrs **DNSRecord, pr *byte) (status error) = dnsapi.DnsQuery_W
|
|
|
852 //sys DnsRecordListFree(rl *DNSRecord, freetype uint32) = dnsapi.DnsRecordListFree
|
|
|
853 //sys DnsNameCompare(name1 *uint16, name2 *uint16) (same bool) = dnsapi.DnsNameCompare_W
|
|
|
854 //sys GetAddrInfoW(nodename *uint16, servicename *uint16, hints *AddrinfoW, result **AddrinfoW) (sockerr error) = ws2_32.GetAddrInfoW
|
|
|
855 //sys FreeAddrInfoW(addrinfo *AddrinfoW) = ws2_32.FreeAddrInfoW
|
|
|
856 //sys GetIfEntry(pIfRow *MibIfRow) (errcode error) = iphlpapi.GetIfEntry
|
|
|
857 //sys GetAdaptersInfo(ai *IpAdapterInfo, ol *uint32) (errcode error) = iphlpapi.GetAdaptersInfo
|
|
|
858 //sys SetFileCompletionNotificationModes(handle Handle, flags uint8) (err error) = kernel32.SetFileCompletionNotificationModes
|
|
|
859 //sys WSAEnumProtocols(protocols *int32, protocolBuffer *WSAProtocolInfo, bufferLength *uint32) (n int32, err error) [failretval==-1] = ws2_32.WSAEnumProtocolsW
|
|
|
860 //sys WSAGetOverlappedResult(h Handle, o *Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) = ws2_32.WSAGetOverlappedResult
|
|
|
861 //sys GetAdaptersAddresses(family uint32, flags uint32, reserved uintptr, adapterAddresses *IpAdapterAddresses, sizePointer *uint32) (errcode error) = iphlpapi.GetAdaptersAddresses
|
|
|
862 //sys GetACP() (acp uint32) = kernel32.GetACP
|
|
|
863 //sys MultiByteToWideChar(codePage uint32, dwFlags uint32, str *byte, nstr int32, wchar *uint16, nwchar int32) (nwrite int32, err error) = kernel32.MultiByteToWideChar
|
|
|
864 //sys getBestInterfaceEx(sockaddr unsafe.Pointer, pdwBestIfIndex *uint32) (errcode error) = iphlpapi.GetBestInterfaceEx
|
|
|
865
|
|
|
866 // For testing: clients can set this flag to force
|
|
|
867 // creation of IPv6 sockets to return EAFNOSUPPORT.
|
|
|
868 var SocketDisableIPv6 bool
|
|
|
869
|
|
|
870 type RawSockaddrInet4 struct {
|
|
|
871 Family uint16
|
|
|
872 Port uint16
|
|
|
873 Addr [4]byte /* in_addr */
|
|
|
874 Zero [8]uint8
|
|
|
875 }
|
|
|
876
|
|
|
877 type RawSockaddrInet6 struct {
|
|
|
878 Family uint16
|
|
|
879 Port uint16
|
|
|
880 Flowinfo uint32
|
|
|
881 Addr [16]byte /* in6_addr */
|
|
|
882 Scope_id uint32
|
|
|
883 }
|
|
|
884
|
|
|
885 type RawSockaddr struct {
|
|
|
886 Family uint16
|
|
|
887 Data [14]int8
|
|
|
888 }
|
|
|
889
|
|
|
890 type RawSockaddrAny struct {
|
|
|
891 Addr RawSockaddr
|
|
|
892 Pad [100]int8
|
|
|
893 }
|
|
|
894
|
|
|
895 type Sockaddr interface {
|
|
|
896 sockaddr() (ptr unsafe.Pointer, len int32, err error) // lowercase; only we can define Sockaddrs
|
|
|
897 }
|
|
|
898
|
|
|
899 type SockaddrInet4 struct {
|
|
|
900 Port int
|
|
|
901 Addr [4]byte
|
|
|
902 raw RawSockaddrInet4
|
|
|
903 }
|
|
|
904
|
|
|
905 func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, int32, error) {
|
|
|
906 if sa.Port < 0 || sa.Port > 0xFFFF {
|
|
|
907 return nil, 0, syscall.EINVAL
|
|
|
908 }
|
|
|
909 sa.raw.Family = AF_INET
|
|
|
910 p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
|
|
|
911 p[0] = byte(sa.Port >> 8)
|
|
|
912 p[1] = byte(sa.Port)
|
|
|
913 sa.raw.Addr = sa.Addr
|
|
|
914 return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil
|
|
|
915 }
|
|
|
916
|
|
|
917 type SockaddrInet6 struct {
|
|
|
918 Port int
|
|
|
919 ZoneId uint32
|
|
|
920 Addr [16]byte
|
|
|
921 raw RawSockaddrInet6
|
|
|
922 }
|
|
|
923
|
|
|
924 func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, int32, error) {
|
|
|
925 if sa.Port < 0 || sa.Port > 0xFFFF {
|
|
|
926 return nil, 0, syscall.EINVAL
|
|
|
927 }
|
|
|
928 sa.raw.Family = AF_INET6
|
|
|
929 p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
|
|
|
930 p[0] = byte(sa.Port >> 8)
|
|
|
931 p[1] = byte(sa.Port)
|
|
|
932 sa.raw.Scope_id = sa.ZoneId
|
|
|
933 sa.raw.Addr = sa.Addr
|
|
|
934 return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil
|
|
|
935 }
|
|
|
936
|
|
|
937 type RawSockaddrUnix struct {
|
|
|
938 Family uint16
|
|
|
939 Path [UNIX_PATH_MAX]int8
|
|
|
940 }
|
|
|
941
|
|
|
942 type SockaddrUnix struct {
|
|
|
943 Name string
|
|
|
944 raw RawSockaddrUnix
|
|
|
945 }
|
|
|
946
|
|
|
947 func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, int32, error) {
|
|
|
948 name := sa.Name
|
|
|
949 n := len(name)
|
|
|
950 if n > len(sa.raw.Path) {
|
|
|
951 return nil, 0, syscall.EINVAL
|
|
|
952 }
|
|
|
953 if n == len(sa.raw.Path) && name[0] != '@' {
|
|
|
954 return nil, 0, syscall.EINVAL
|
|
|
955 }
|
|
|
956 sa.raw.Family = AF_UNIX
|
|
|
957 for i := 0; i < n; i++ {
|
|
|
958 sa.raw.Path[i] = int8(name[i])
|
|
|
959 }
|
|
|
960 // length is family (uint16), name, NUL.
|
|
|
961 sl := int32(2)
|
|
|
962 if n > 0 {
|
|
|
963 sl += int32(n) + 1
|
|
|
964 }
|
|
|
965 if sa.raw.Path[0] == '@' {
|
|
|
966 sa.raw.Path[0] = 0
|
|
|
967 // Don't count trailing NUL for abstract address.
|
|
|
968 sl--
|
|
|
969 }
|
|
|
970
|
|
|
971 return unsafe.Pointer(&sa.raw), sl, nil
|
|
|
972 }
|
|
|
973
|
|
|
974 func (rsa *RawSockaddrAny) Sockaddr() (Sockaddr, error) {
|
|
|
975 switch rsa.Addr.Family {
|
|
|
976 case AF_UNIX:
|
|
|
977 pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa))
|
|
|
978 sa := new(SockaddrUnix)
|
|
|
979 if pp.Path[0] == 0 {
|
|
|
980 // "Abstract" Unix domain socket.
|
|
|
981 // Rewrite leading NUL as @ for textual display.
|
|
|
982 // (This is the standard convention.)
|
|
|
983 // Not friendly to overwrite in place,
|
|
|
984 // but the callers below don't care.
|
|
|
985 pp.Path[0] = '@'
|
|
|
986 }
|
|
|
987
|
|
|
988 // Assume path ends at NUL.
|
|
|
989 // This is not technically the Linux semantics for
|
|
|
990 // abstract Unix domain sockets--they are supposed
|
|
|
991 // to be uninterpreted fixed-size binary blobs--but
|
|
|
992 // everyone uses this convention.
|
|
|
993 n := 0
|
|
|
994 for n < len(pp.Path) && pp.Path[n] != 0 {
|
|
|
995 n++
|
|
|
996 }
|
|
|
997 bytes := (*[len(pp.Path)]byte)(unsafe.Pointer(&pp.Path[0]))[0:n]
|
|
|
998 sa.Name = string(bytes)
|
|
|
999 return sa, nil
|
|
|
1000
|
|
|
1001 case AF_INET:
|
|
|
1002 pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa))
|
|
|
1003 sa := new(SockaddrInet4)
|
|
|
1004 p := (*[2]byte)(unsafe.Pointer(&pp.Port))
|
|
|
1005 sa.Port = int(p[0])<<8 + int(p[1])
|
|
|
1006 sa.Addr = pp.Addr
|
|
|
1007 return sa, nil
|
|
|
1008
|
|
|
1009 case AF_INET6:
|
|
|
1010 pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa))
|
|
|
1011 sa := new(SockaddrInet6)
|
|
|
1012 p := (*[2]byte)(unsafe.Pointer(&pp.Port))
|
|
|
1013 sa.Port = int(p[0])<<8 + int(p[1])
|
|
|
1014 sa.ZoneId = pp.Scope_id
|
|
|
1015 sa.Addr = pp.Addr
|
|
|
1016 return sa, nil
|
|
|
1017 }
|
|
|
1018 return nil, syscall.EAFNOSUPPORT
|
|
|
1019 }
|
|
|
1020
|
|
|
1021 func Socket(domain, typ, proto int) (fd Handle, err error) {
|
|
|
1022 if domain == AF_INET6 && SocketDisableIPv6 {
|
|
|
1023 return InvalidHandle, syscall.EAFNOSUPPORT
|
|
|
1024 }
|
|
|
1025 return socket(int32(domain), int32(typ), int32(proto))
|
|
|
1026 }
|
|
|
1027
|
|
|
1028 func SetsockoptInt(fd Handle, level, opt int, value int) (err error) {
|
|
|
1029 v := int32(value)
|
|
|
1030 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&v)), int32(unsafe.Sizeof(v)))
|
|
|
1031 }
|
|
|
1032
|
|
|
1033 func Bind(fd Handle, sa Sockaddr) (err error) {
|
|
|
1034 ptr, n, err := sa.sockaddr()
|
|
|
1035 if err != nil {
|
|
|
1036 return err
|
|
|
1037 }
|
|
|
1038 return bind(fd, ptr, n)
|
|
|
1039 }
|
|
|
1040
|
|
|
1041 func Connect(fd Handle, sa Sockaddr) (err error) {
|
|
|
1042 ptr, n, err := sa.sockaddr()
|
|
|
1043 if err != nil {
|
|
|
1044 return err
|
|
|
1045 }
|
|
|
1046 return connect(fd, ptr, n)
|
|
|
1047 }
|
|
|
1048
|
|
|
1049 func GetBestInterfaceEx(sa Sockaddr, pdwBestIfIndex *uint32) (err error) {
|
|
|
1050 ptr, _, err := sa.sockaddr()
|
|
|
1051 if err != nil {
|
|
|
1052 return err
|
|
|
1053 }
|
|
|
1054 return getBestInterfaceEx(ptr, pdwBestIfIndex)
|
|
|
1055 }
|
|
|
1056
|
|
|
1057 func Getsockname(fd Handle) (sa Sockaddr, err error) {
|
|
|
1058 var rsa RawSockaddrAny
|
|
|
1059 l := int32(unsafe.Sizeof(rsa))
|
|
|
1060 if err = getsockname(fd, &rsa, &l); err != nil {
|
|
|
1061 return
|
|
|
1062 }
|
|
|
1063 return rsa.Sockaddr()
|
|
|
1064 }
|
|
|
1065
|
|
|
1066 func Getpeername(fd Handle) (sa Sockaddr, err error) {
|
|
|
1067 var rsa RawSockaddrAny
|
|
|
1068 l := int32(unsafe.Sizeof(rsa))
|
|
|
1069 if err = getpeername(fd, &rsa, &l); err != nil {
|
|
|
1070 return
|
|
|
1071 }
|
|
|
1072 return rsa.Sockaddr()
|
|
|
1073 }
|
|
|
1074
|
|
|
1075 func Listen(s Handle, n int) (err error) {
|
|
|
1076 return listen(s, int32(n))
|
|
|
1077 }
|
|
|
1078
|
|
|
1079 func Shutdown(fd Handle, how int) (err error) {
|
|
|
1080 return shutdown(fd, int32(how))
|
|
|
1081 }
|
|
|
1082
|
|
|
1083 func WSASendto(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, to Sockaddr, overlapped *Overlapped, croutine *byte) (err error) {
|
|
|
1084 rsa, l, err := to.sockaddr()
|
|
|
1085 if err != nil {
|
|
|
1086 return err
|
|
|
1087 }
|
|
|
1088 return WSASendTo(s, bufs, bufcnt, sent, flags, (*RawSockaddrAny)(unsafe.Pointer(rsa)), l, overlapped, croutine)
|
|
|
1089 }
|
|
|
1090
|
|
|
1091 func LoadGetAddrInfo() error {
|
|
|
1092 return procGetAddrInfoW.Find()
|
|
|
1093 }
|
|
|
1094
|
|
|
1095 var connectExFunc struct {
|
|
|
1096 once sync.Once
|
|
|
1097 addr uintptr
|
|
|
1098 err error
|
|
|
1099 }
|
|
|
1100
|
|
|
1101 func LoadConnectEx() error {
|
|
|
1102 connectExFunc.once.Do(func() {
|
|
|
1103 var s Handle
|
|
|
1104 s, connectExFunc.err = Socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
|
|
|
1105 if connectExFunc.err != nil {
|
|
|
1106 return
|
|
|
1107 }
|
|
|
1108 defer CloseHandle(s)
|
|
|
1109 var n uint32
|
|
|
1110 connectExFunc.err = WSAIoctl(s,
|
|
|
1111 SIO_GET_EXTENSION_FUNCTION_POINTER,
|
|
|
1112 (*byte)(unsafe.Pointer(&WSAID_CONNECTEX)),
|
|
|
1113 uint32(unsafe.Sizeof(WSAID_CONNECTEX)),
|
|
|
1114 (*byte)(unsafe.Pointer(&connectExFunc.addr)),
|
|
|
1115 uint32(unsafe.Sizeof(connectExFunc.addr)),
|
|
|
1116 &n, nil, 0)
|
|
|
1117 })
|
|
|
1118 return connectExFunc.err
|
|
|
1119 }
|
|
|
1120
|
|
|
1121 func connectEx(s Handle, name unsafe.Pointer, namelen int32, sendBuf *byte, sendDataLen uint32, bytesSent *uint32, overlapped *Overlapped) (err error) {
|
|
|
1122 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)
|
|
|
1123 if r1 == 0 {
|
|
|
1124 if e1 != 0 {
|
|
|
1125 err = error(e1)
|
|
|
1126 } else {
|
|
|
1127 err = syscall.EINVAL
|
|
|
1128 }
|
|
|
1129 }
|
|
|
1130 return
|
|
|
1131 }
|
|
|
1132
|
|
|
1133 func ConnectEx(fd Handle, sa Sockaddr, sendBuf *byte, sendDataLen uint32, bytesSent *uint32, overlapped *Overlapped) error {
|
|
|
1134 err := LoadConnectEx()
|
|
|
1135 if err != nil {
|
|
|
1136 return errorspkg.New("failed to find ConnectEx: " + err.Error())
|
|
|
1137 }
|
|
|
1138 ptr, n, err := sa.sockaddr()
|
|
|
1139 if err != nil {
|
|
|
1140 return err
|
|
|
1141 }
|
|
|
1142 return connectEx(fd, ptr, n, sendBuf, sendDataLen, bytesSent, overlapped)
|
|
|
1143 }
|
|
|
1144
|
|
|
1145 var sendRecvMsgFunc struct {
|
|
|
1146 once sync.Once
|
|
|
1147 sendAddr uintptr
|
|
|
1148 recvAddr uintptr
|
|
|
1149 err error
|
|
|
1150 }
|
|
|
1151
|
|
|
1152 func loadWSASendRecvMsg() error {
|
|
|
1153 sendRecvMsgFunc.once.Do(func() {
|
|
|
1154 var s Handle
|
|
|
1155 s, sendRecvMsgFunc.err = Socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)
|
|
|
1156 if sendRecvMsgFunc.err != nil {
|
|
|
1157 return
|
|
|
1158 }
|
|
|
1159 defer CloseHandle(s)
|
|
|
1160 var n uint32
|
|
|
1161 sendRecvMsgFunc.err = WSAIoctl(s,
|
|
|
1162 SIO_GET_EXTENSION_FUNCTION_POINTER,
|
|
|
1163 (*byte)(unsafe.Pointer(&WSAID_WSARECVMSG)),
|
|
|
1164 uint32(unsafe.Sizeof(WSAID_WSARECVMSG)),
|
|
|
1165 (*byte)(unsafe.Pointer(&sendRecvMsgFunc.recvAddr)),
|
|
|
1166 uint32(unsafe.Sizeof(sendRecvMsgFunc.recvAddr)),
|
|
|
1167 &n, nil, 0)
|
|
|
1168 if sendRecvMsgFunc.err != nil {
|
|
|
1169 return
|
|
|
1170 }
|
|
|
1171 sendRecvMsgFunc.err = WSAIoctl(s,
|
|
|
1172 SIO_GET_EXTENSION_FUNCTION_POINTER,
|
|
|
1173 (*byte)(unsafe.Pointer(&WSAID_WSASENDMSG)),
|
|
|
1174 uint32(unsafe.Sizeof(WSAID_WSASENDMSG)),
|
|
|
1175 (*byte)(unsafe.Pointer(&sendRecvMsgFunc.sendAddr)),
|
|
|
1176 uint32(unsafe.Sizeof(sendRecvMsgFunc.sendAddr)),
|
|
|
1177 &n, nil, 0)
|
|
|
1178 })
|
|
|
1179 return sendRecvMsgFunc.err
|
|
|
1180 }
|
|
|
1181
|
|
|
1182 func WSASendMsg(fd Handle, msg *WSAMsg, flags uint32, bytesSent *uint32, overlapped *Overlapped, croutine *byte) error {
|
|
|
1183 err := loadWSASendRecvMsg()
|
|
|
1184 if err != nil {
|
|
|
1185 return err
|
|
|
1186 }
|
|
|
1187 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)))
|
|
|
1188 if r1 == socket_error {
|
|
|
1189 err = errnoErr(e1)
|
|
|
1190 }
|
|
|
1191 return err
|
|
|
1192 }
|
|
|
1193
|
|
|
1194 func WSARecvMsg(fd Handle, msg *WSAMsg, bytesReceived *uint32, overlapped *Overlapped, croutine *byte) error {
|
|
|
1195 err := loadWSASendRecvMsg()
|
|
|
1196 if err != nil {
|
|
|
1197 return err
|
|
|
1198 }
|
|
|
1199 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)
|
|
|
1200 if r1 == socket_error {
|
|
|
1201 err = errnoErr(e1)
|
|
|
1202 }
|
|
|
1203 return err
|
|
|
1204 }
|
|
|
1205
|
|
|
1206 // Invented structures to support what package os expects.
|
|
|
1207 type Rusage struct {
|
|
|
1208 CreationTime Filetime
|
|
|
1209 ExitTime Filetime
|
|
|
1210 KernelTime Filetime
|
|
|
1211 UserTime Filetime
|
|
|
1212 }
|
|
|
1213
|
|
|
1214 type WaitStatus struct {
|
|
|
1215 ExitCode uint32
|
|
|
1216 }
|
|
|
1217
|
|
|
1218 func (w WaitStatus) Exited() bool { return true }
|
|
|
1219
|
|
|
1220 func (w WaitStatus) ExitStatus() int { return int(w.ExitCode) }
|
|
|
1221
|
|
|
1222 func (w WaitStatus) Signal() Signal { return -1 }
|
|
|
1223
|
|
|
1224 func (w WaitStatus) CoreDump() bool { return false }
|
|
|
1225
|
|
|
1226 func (w WaitStatus) Stopped() bool { return false }
|
|
|
1227
|
|
|
1228 func (w WaitStatus) Continued() bool { return false }
|
|
|
1229
|
|
|
1230 func (w WaitStatus) StopSignal() Signal { return -1 }
|
|
|
1231
|
|
|
1232 func (w WaitStatus) Signaled() bool { return false }
|
|
|
1233
|
|
|
1234 func (w WaitStatus) TrapCause() int { return -1 }
|
|
|
1235
|
|
|
1236 // Timespec is an invented structure on Windows, but here for
|
|
|
1237 // consistency with the corresponding package for other operating systems.
|
|
|
1238 type Timespec struct {
|
|
|
1239 Sec int64
|
|
|
1240 Nsec int64
|
|
|
1241 }
|
|
|
1242
|
|
|
1243 func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
|
|
|
1244
|
|
|
1245 func NsecToTimespec(nsec int64) (ts Timespec) {
|
|
|
1246 ts.Sec = nsec / 1e9
|
|
|
1247 ts.Nsec = nsec % 1e9
|
|
|
1248 return
|
|
|
1249 }
|
|
|
1250
|
|
|
1251 // TODO(brainman): fix all needed for net
|
|
|
1252
|
|
|
1253 func Accept(fd Handle) (nfd Handle, sa Sockaddr, err error) { return 0, nil, syscall.EWINDOWS }
|
|
|
1254
|
|
|
1255 func Recvfrom(fd Handle, p []byte, flags int) (n int, from Sockaddr, err error) {
|
|
|
1256 var rsa RawSockaddrAny
|
|
|
1257 l := int32(unsafe.Sizeof(rsa))
|
|
|
1258 n32, err := recvfrom(fd, p, int32(flags), &rsa, &l)
|
|
|
1259 n = int(n32)
|
|
|
1260 if err != nil {
|
|
|
1261 return
|
|
|
1262 }
|
|
|
1263 from, err = rsa.Sockaddr()
|
|
|
1264 return
|
|
|
1265 }
|
|
|
1266
|
|
|
1267 func Sendto(fd Handle, p []byte, flags int, to Sockaddr) (err error) {
|
|
|
1268 ptr, l, err := to.sockaddr()
|
|
|
1269 if err != nil {
|
|
|
1270 return err
|
|
|
1271 }
|
|
|
1272 return sendto(fd, p, int32(flags), ptr, l)
|
|
|
1273 }
|
|
|
1274
|
|
|
1275 func SetsockoptTimeval(fd Handle, level, opt int, tv *Timeval) (err error) { return syscall.EWINDOWS }
|
|
|
1276
|
|
|
1277 // The Linger struct is wrong but we only noticed after Go 1.
|
|
|
1278 // sysLinger is the real system call structure.
|
|
|
1279
|
|
|
1280 // BUG(brainman): The definition of Linger is not appropriate for direct use
|
|
|
1281 // with Setsockopt and Getsockopt.
|
|
|
1282 // Use SetsockoptLinger instead.
|
|
|
1283
|
|
|
1284 type Linger struct {
|
|
|
1285 Onoff int32
|
|
|
1286 Linger int32
|
|
|
1287 }
|
|
|
1288
|
|
|
1289 type sysLinger struct {
|
|
|
1290 Onoff uint16
|
|
|
1291 Linger uint16
|
|
|
1292 }
|
|
|
1293
|
|
|
1294 type IPMreq struct {
|
|
|
1295 Multiaddr [4]byte /* in_addr */
|
|
|
1296 Interface [4]byte /* in_addr */
|
|
|
1297 }
|
|
|
1298
|
|
|
1299 type IPv6Mreq struct {
|
|
|
1300 Multiaddr [16]byte /* in6_addr */
|
|
|
1301 Interface uint32
|
|
|
1302 }
|
|
|
1303
|
|
|
1304 func GetsockoptInt(fd Handle, level, opt int) (int, error) {
|
|
|
1305 v := int32(0)
|
|
|
1306 l := int32(unsafe.Sizeof(v))
|
|
|
1307 err := Getsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&v)), &l)
|
|
|
1308 return int(v), err
|
|
|
1309 }
|
|
|
1310
|
|
|
1311 func SetsockoptLinger(fd Handle, level, opt int, l *Linger) (err error) {
|
|
|
1312 sys := sysLinger{Onoff: uint16(l.Onoff), Linger: uint16(l.Linger)}
|
|
|
1313 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&sys)), int32(unsafe.Sizeof(sys)))
|
|
|
1314 }
|
|
|
1315
|
|
|
1316 func SetsockoptInet4Addr(fd Handle, level, opt int, value [4]byte) (err error) {
|
|
|
1317 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&value[0])), 4)
|
|
|
1318 }
|
|
|
1319 func SetsockoptIPMreq(fd Handle, level, opt int, mreq *IPMreq) (err error) {
|
|
|
1320 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(mreq)), int32(unsafe.Sizeof(*mreq)))
|
|
|
1321 }
|
|
|
1322 func SetsockoptIPv6Mreq(fd Handle, level, opt int, mreq *IPv6Mreq) (err error) {
|
|
|
1323 return syscall.EWINDOWS
|
|
|
1324 }
|
|
|
1325
|
|
|
1326 func Getpid() (pid int) { return int(GetCurrentProcessId()) }
|
|
|
1327
|
|
|
1328 func FindFirstFile(name *uint16, data *Win32finddata) (handle Handle, err error) {
|
|
|
1329 // NOTE(rsc): The Win32finddata struct is wrong for the system call:
|
|
|
1330 // the two paths are each one uint16 short. Use the correct struct,
|
|
|
1331 // a win32finddata1, and then copy the results out.
|
|
|
1332 // There is no loss of expressivity here, because the final
|
|
|
1333 // uint16, if it is used, is supposed to be a NUL, and Go doesn't need that.
|
|
|
1334 // For Go 1.1, we might avoid the allocation of win32finddata1 here
|
|
|
1335 // by adding a final Bug [2]uint16 field to the struct and then
|
|
|
1336 // adjusting the fields in the result directly.
|
|
|
1337 var data1 win32finddata1
|
|
|
1338 handle, err = findFirstFile1(name, &data1)
|
|
|
1339 if err == nil {
|
|
|
1340 copyFindData(data, &data1)
|
|
|
1341 }
|
|
|
1342 return
|
|
|
1343 }
|
|
|
1344
|
|
|
1345 func FindNextFile(handle Handle, data *Win32finddata) (err error) {
|
|
|
1346 var data1 win32finddata1
|
|
|
1347 err = findNextFile1(handle, &data1)
|
|
|
1348 if err == nil {
|
|
|
1349 copyFindData(data, &data1)
|
|
|
1350 }
|
|
|
1351 return
|
|
|
1352 }
|
|
|
1353
|
|
|
1354 func getProcessEntry(pid int) (*ProcessEntry32, error) {
|
|
|
1355 snapshot, err := CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0)
|
|
|
1356 if err != nil {
|
|
|
1357 return nil, err
|
|
|
1358 }
|
|
|
1359 defer CloseHandle(snapshot)
|
|
|
1360 var procEntry ProcessEntry32
|
|
|
1361 procEntry.Size = uint32(unsafe.Sizeof(procEntry))
|
|
|
1362 if err = Process32First(snapshot, &procEntry); err != nil {
|
|
|
1363 return nil, err
|
|
|
1364 }
|
|
|
1365 for {
|
|
|
1366 if procEntry.ProcessID == uint32(pid) {
|
|
|
1367 return &procEntry, nil
|
|
|
1368 }
|
|
|
1369 err = Process32Next(snapshot, &procEntry)
|
|
|
1370 if err != nil {
|
|
|
1371 return nil, err
|
|
|
1372 }
|
|
|
1373 }
|
|
|
1374 }
|
|
|
1375
|
|
|
1376 func Getppid() (ppid int) {
|
|
|
1377 pe, err := getProcessEntry(Getpid())
|
|
|
1378 if err != nil {
|
|
|
1379 return -1
|
|
|
1380 }
|
|
|
1381 return int(pe.ParentProcessID)
|
|
|
1382 }
|
|
|
1383
|
|
|
1384 // TODO(brainman): fix all needed for os
|
|
|
1385 func Fchdir(fd Handle) (err error) { return syscall.EWINDOWS }
|
|
|
1386 func Link(oldpath, newpath string) (err error) { return syscall.EWINDOWS }
|
|
|
1387 func Symlink(path, link string) (err error) { return syscall.EWINDOWS }
|
|
|
1388
|
|
|
1389 func Fchmod(fd Handle, mode uint32) (err error) { return syscall.EWINDOWS }
|
|
|
1390 func Chown(path string, uid int, gid int) (err error) { return syscall.EWINDOWS }
|
|
|
1391 func Lchown(path string, uid int, gid int) (err error) { return syscall.EWINDOWS }
|
|
|
1392 func Fchown(fd Handle, uid int, gid int) (err error) { return syscall.EWINDOWS }
|
|
|
1393
|
|
|
1394 func Getuid() (uid int) { return -1 }
|
|
|
1395 func Geteuid() (euid int) { return -1 }
|
|
|
1396 func Getgid() (gid int) { return -1 }
|
|
|
1397 func Getegid() (egid int) { return -1 }
|
|
|
1398 func Getgroups() (gids []int, err error) { return nil, syscall.EWINDOWS }
|
|
|
1399
|
|
|
1400 type Signal int
|
|
|
1401
|
|
|
1402 func (s Signal) Signal() {}
|
|
|
1403
|
|
|
1404 func (s Signal) String() string {
|
|
|
1405 if 0 <= s && int(s) < len(signals) {
|
|
|
1406 str := signals[s]
|
|
|
1407 if str != "" {
|
|
|
1408 return str
|
|
|
1409 }
|
|
|
1410 }
|
|
|
1411 return "signal " + itoa(int(s))
|
|
|
1412 }
|
|
|
1413
|
|
|
1414 func LoadCreateSymbolicLink() error {
|
|
|
1415 return procCreateSymbolicLinkW.Find()
|
|
|
1416 }
|
|
|
1417
|
|
|
1418 // Readlink returns the destination of the named symbolic link.
|
|
|
1419 func Readlink(path string, buf []byte) (n int, err error) {
|
|
|
1420 fd, err := CreateFile(StringToUTF16Ptr(path), GENERIC_READ, 0, nil, OPEN_EXISTING,
|
|
|
1421 FILE_FLAG_OPEN_REPARSE_POINT|FILE_FLAG_BACKUP_SEMANTICS, 0)
|
|
|
1422 if err != nil {
|
|
|
1423 return -1, err
|
|
|
1424 }
|
|
|
1425 defer CloseHandle(fd)
|
|
|
1426
|
|
|
1427 rdbbuf := make([]byte, MAXIMUM_REPARSE_DATA_BUFFER_SIZE)
|
|
|
1428 var bytesReturned uint32
|
|
|
1429 err = DeviceIoControl(fd, FSCTL_GET_REPARSE_POINT, nil, 0, &rdbbuf[0], uint32(len(rdbbuf)), &bytesReturned, nil)
|
|
|
1430 if err != nil {
|
|
|
1431 return -1, err
|
|
|
1432 }
|
|
|
1433
|
|
|
1434 rdb := (*reparseDataBuffer)(unsafe.Pointer(&rdbbuf[0]))
|
|
|
1435 var s string
|
|
|
1436 switch rdb.ReparseTag {
|
|
|
1437 case IO_REPARSE_TAG_SYMLINK:
|
|
|
1438 data := (*symbolicLinkReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer))
|
|
|
1439 p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0]))
|
|
|
1440 s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2])
|
|
|
1441 case IO_REPARSE_TAG_MOUNT_POINT:
|
|
|
1442 data := (*mountPointReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer))
|
|
|
1443 p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0]))
|
|
|
1444 s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2])
|
|
|
1445 default:
|
|
|
1446 // the path is not a symlink or junction but another type of reparse
|
|
|
1447 // point
|
|
|
1448 return -1, syscall.ENOENT
|
|
|
1449 }
|
|
|
1450 n = copy(buf, []byte(s))
|
|
|
1451
|
|
|
1452 return n, nil
|
|
|
1453 }
|
|
|
1454
|
|
|
1455 // GUIDFromString parses a string in the form of
|
|
|
1456 // "{XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}" into a GUID.
|
|
|
1457 func GUIDFromString(str string) (GUID, error) {
|
|
|
1458 guid := GUID{}
|
|
|
1459 str16, err := syscall.UTF16PtrFromString(str)
|
|
|
1460 if err != nil {
|
|
|
1461 return guid, err
|
|
|
1462 }
|
|
|
1463 err = clsidFromString(str16, &guid)
|
|
|
1464 if err != nil {
|
|
|
1465 return guid, err
|
|
|
1466 }
|
|
|
1467 return guid, nil
|
|
|
1468 }
|
|
|
1469
|
|
|
1470 // GenerateGUID creates a new random GUID.
|
|
|
1471 func GenerateGUID() (GUID, error) {
|
|
|
1472 guid := GUID{}
|
|
|
1473 err := coCreateGuid(&guid)
|
|
|
1474 if err != nil {
|
|
|
1475 return guid, err
|
|
|
1476 }
|
|
|
1477 return guid, nil
|
|
|
1478 }
|
|
|
1479
|
|
|
1480 // String returns the canonical string form of the GUID,
|
|
|
1481 // in the form of "{XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}".
|
|
|
1482 func (guid GUID) String() string {
|
|
|
1483 var str [100]uint16
|
|
|
1484 chars := stringFromGUID2(&guid, &str[0], int32(len(str)))
|
|
|
1485 if chars <= 1 {
|
|
|
1486 return ""
|
|
|
1487 }
|
|
|
1488 return string(utf16.Decode(str[:chars-1]))
|
|
|
1489 }
|
|
|
1490
|
|
|
1491 // KnownFolderPath returns a well-known folder path for the current user, specified by one of
|
|
|
1492 // the FOLDERID_ constants, and chosen and optionally created based on a KF_ flag.
|
|
|
1493 func KnownFolderPath(folderID *KNOWNFOLDERID, flags uint32) (string, error) {
|
|
|
1494 return Token(0).KnownFolderPath(folderID, flags)
|
|
|
1495 }
|
|
|
1496
|
|
|
1497 // KnownFolderPath returns a well-known folder path for the user token, specified by one of
|
|
|
1498 // the FOLDERID_ constants, and chosen and optionally created based on a KF_ flag.
|
|
|
1499 func (t Token) KnownFolderPath(folderID *KNOWNFOLDERID, flags uint32) (string, error) {
|
|
|
1500 var p *uint16
|
|
|
1501 err := shGetKnownFolderPath(folderID, flags, t, &p)
|
|
|
1502 if err != nil {
|
|
|
1503 return "", err
|
|
|
1504 }
|
|
|
1505 defer CoTaskMemFree(unsafe.Pointer(p))
|
|
|
1506 return UTF16PtrToString(p), nil
|
|
|
1507 }
|
|
|
1508
|
|
|
1509 // RtlGetVersion returns the version of the underlying operating system, ignoring
|
|
|
1510 // manifest semantics but is affected by the application compatibility layer.
|
|
|
1511 func RtlGetVersion() *OsVersionInfoEx {
|
|
|
1512 info := &OsVersionInfoEx{}
|
|
|
1513 info.osVersionInfoSize = uint32(unsafe.Sizeof(*info))
|
|
|
1514 // According to documentation, this function always succeeds.
|
|
|
1515 // The function doesn't even check the validity of the
|
|
|
1516 // osVersionInfoSize member. Disassembling ntdll.dll indicates
|
|
|
1517 // that the documentation is indeed correct about that.
|
|
|
1518 _ = rtlGetVersion(info)
|
|
|
1519 return info
|
|
|
1520 }
|
|
|
1521
|
|
|
1522 // RtlGetNtVersionNumbers returns the version of the underlying operating system,
|
|
|
1523 // ignoring manifest semantics and the application compatibility layer.
|
|
|
1524 func RtlGetNtVersionNumbers() (majorVersion, minorVersion, buildNumber uint32) {
|
|
|
1525 rtlGetNtVersionNumbers(&majorVersion, &minorVersion, &buildNumber)
|
|
|
1526 buildNumber &= 0xffff
|
|
|
1527 return
|
|
|
1528 }
|
|
|
1529
|
|
|
1530 // GetProcessPreferredUILanguages retrieves the process preferred UI languages.
|
|
|
1531 func GetProcessPreferredUILanguages(flags uint32) ([]string, error) {
|
|
|
1532 return getUILanguages(flags, getProcessPreferredUILanguages)
|
|
|
1533 }
|
|
|
1534
|
|
|
1535 // GetThreadPreferredUILanguages retrieves the thread preferred UI languages for the current thread.
|
|
|
1536 func GetThreadPreferredUILanguages(flags uint32) ([]string, error) {
|
|
|
1537 return getUILanguages(flags, getThreadPreferredUILanguages)
|
|
|
1538 }
|
|
|
1539
|
|
|
1540 // GetUserPreferredUILanguages retrieves information about the user preferred UI languages.
|
|
|
1541 func GetUserPreferredUILanguages(flags uint32) ([]string, error) {
|
|
|
1542 return getUILanguages(flags, getUserPreferredUILanguages)
|
|
|
1543 }
|
|
|
1544
|
|
|
1545 // GetSystemPreferredUILanguages retrieves the system preferred UI languages.
|
|
|
1546 func GetSystemPreferredUILanguages(flags uint32) ([]string, error) {
|
|
|
1547 return getUILanguages(flags, getSystemPreferredUILanguages)
|
|
|
1548 }
|
|
|
1549
|
|
|
1550 func getUILanguages(flags uint32, f func(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) error) ([]string, error) {
|
|
|
1551 size := uint32(128)
|
|
|
1552 for {
|
|
|
1553 var numLanguages uint32
|
|
|
1554 buf := make([]uint16, size)
|
|
|
1555 err := f(flags, &numLanguages, &buf[0], &size)
|
|
|
1556 if err == ERROR_INSUFFICIENT_BUFFER {
|
|
|
1557 continue
|
|
|
1558 }
|
|
|
1559 if err != nil {
|
|
|
1560 return nil, err
|
|
|
1561 }
|
|
|
1562 buf = buf[:size]
|
|
|
1563 if numLanguages == 0 || len(buf) == 0 { // GetProcessPreferredUILanguages may return numLanguages==0 with "\0\0"
|
|
|
1564 return []string{}, nil
|
|
|
1565 }
|
|
|
1566 if buf[len(buf)-1] == 0 {
|
|
|
1567 buf = buf[:len(buf)-1] // remove terminating null
|
|
|
1568 }
|
|
|
1569 languages := make([]string, 0, numLanguages)
|
|
|
1570 from := 0
|
|
|
1571 for i, c := range buf {
|
|
|
1572 if c == 0 {
|
|
|
1573 languages = append(languages, string(utf16.Decode(buf[from:i])))
|
|
|
1574 from = i + 1
|
|
|
1575 }
|
|
|
1576 }
|
|
|
1577 return languages, nil
|
|
|
1578 }
|
|
|
1579 }
|
|
|
1580
|
|
|
1581 func SetConsoleCursorPosition(console Handle, position Coord) error {
|
|
|
1582 return setConsoleCursorPosition(console, *((*uint32)(unsafe.Pointer(&position))))
|
|
|
1583 }
|
|
|
1584
|
|
|
1585 func (s NTStatus) Errno() syscall.Errno {
|
|
|
1586 return rtlNtStatusToDosErrorNoTeb(s)
|
|
|
1587 }
|
|
|
1588
|
|
|
1589 func langID(pri, sub uint16) uint32 { return uint32(sub)<<10 | uint32(pri) }
|
|
|
1590
|
|
|
1591 func (s NTStatus) Error() string {
|
|
|
1592 b := make([]uint16, 300)
|
|
|
1593 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)
|
|
|
1594 if err != nil {
|
|
|
1595 return fmt.Sprintf("NTSTATUS 0x%08x", uint32(s))
|
|
|
1596 }
|
|
|
1597 // trim terminating \r and \n
|
|
|
1598 for ; n > 0 && (b[n-1] == '\n' || b[n-1] == '\r'); n-- {
|
|
|
1599 }
|
|
|
1600 return string(utf16.Decode(b[:n]))
|
|
|
1601 }
|
|
|
1602
|
|
|
1603 // NewNTUnicodeString returns a new NTUnicodeString structure for use with native
|
|
|
1604 // NT APIs that work over the NTUnicodeString type. Note that most Windows APIs
|
|
|
1605 // do not use NTUnicodeString, and instead UTF16PtrFromString should be used for
|
|
|
1606 // the more common *uint16 string type.
|
|
|
1607 func NewNTUnicodeString(s string) (*NTUnicodeString, error) {
|
|
|
1608 var u NTUnicodeString
|
|
|
1609 s16, err := UTF16PtrFromString(s)
|
|
|
1610 if err != nil {
|
|
|
1611 return nil, err
|
|
|
1612 }
|
|
|
1613 RtlInitUnicodeString(&u, s16)
|
|
|
1614 return &u, nil
|
|
|
1615 }
|
|
|
1616
|
|
|
1617 // Slice returns a uint16 slice that aliases the data in the NTUnicodeString.
|
|
|
1618 func (s *NTUnicodeString) Slice() []uint16 {
|
|
|
1619 var slice []uint16
|
|
|
1620 hdr := (*unsafeheader.Slice)(unsafe.Pointer(&slice))
|
|
|
1621 hdr.Data = unsafe.Pointer(s.Buffer)
|
|
|
1622 hdr.Len = int(s.Length)
|
|
|
1623 hdr.Cap = int(s.MaximumLength)
|
|
|
1624 return slice
|
|
|
1625 }
|
|
|
1626
|
|
|
1627 func (s *NTUnicodeString) String() string {
|
|
|
1628 return UTF16ToString(s.Slice())
|
|
|
1629 }
|
|
|
1630
|
|
|
1631 // NewNTString returns a new NTString structure for use with native
|
|
|
1632 // NT APIs that work over the NTString type. Note that most Windows APIs
|
|
|
1633 // do not use NTString, and instead UTF16PtrFromString should be used for
|
|
|
1634 // the more common *uint16 string type.
|
|
|
1635 func NewNTString(s string) (*NTString, error) {
|
|
|
1636 var nts NTString
|
|
|
1637 s8, err := BytePtrFromString(s)
|
|
|
1638 if err != nil {
|
|
|
1639 return nil, err
|
|
|
1640 }
|
|
|
1641 RtlInitString(&nts, s8)
|
|
|
1642 return &nts, nil
|
|
|
1643 }
|
|
|
1644
|
|
|
1645 // Slice returns a byte slice that aliases the data in the NTString.
|
|
|
1646 func (s *NTString) Slice() []byte {
|
|
|
1647 var slice []byte
|
|
|
1648 hdr := (*unsafeheader.Slice)(unsafe.Pointer(&slice))
|
|
|
1649 hdr.Data = unsafe.Pointer(s.Buffer)
|
|
|
1650 hdr.Len = int(s.Length)
|
|
|
1651 hdr.Cap = int(s.MaximumLength)
|
|
|
1652 return slice
|
|
|
1653 }
|
|
|
1654
|
|
|
1655 func (s *NTString) String() string {
|
|
|
1656 return ByteSliceToString(s.Slice())
|
|
|
1657 }
|
|
|
1658
|
|
|
1659 // FindResource resolves a resource of the given name and resource type.
|
|
|
1660 func FindResource(module Handle, name, resType ResourceIDOrString) (Handle, error) {
|
|
|
1661 var namePtr, resTypePtr uintptr
|
|
|
1662 var name16, resType16 *uint16
|
|
|
1663 var err error
|
|
|
1664 resolvePtr := func(i interface{}, keep **uint16) (uintptr, error) {
|
|
|
1665 switch v := i.(type) {
|
|
|
1666 case string:
|
|
|
1667 *keep, err = UTF16PtrFromString(v)
|
|
|
1668 if err != nil {
|
|
|
1669 return 0, err
|
|
|
1670 }
|
|
|
1671 return uintptr(unsafe.Pointer(*keep)), nil
|
|
|
1672 case ResourceID:
|
|
|
1673 return uintptr(v), nil
|
|
|
1674 }
|
|
|
1675 return 0, errorspkg.New("parameter must be a ResourceID or a string")
|
|
|
1676 }
|
|
|
1677 namePtr, err = resolvePtr(name, &name16)
|
|
|
1678 if err != nil {
|
|
|
1679 return 0, err
|
|
|
1680 }
|
|
|
1681 resTypePtr, err = resolvePtr(resType, &resType16)
|
|
|
1682 if err != nil {
|
|
|
1683 return 0, err
|
|
|
1684 }
|
|
|
1685 resInfo, err := findResource(module, namePtr, resTypePtr)
|
|
|
1686 runtime.KeepAlive(name16)
|
|
|
1687 runtime.KeepAlive(resType16)
|
|
|
1688 return resInfo, err
|
|
|
1689 }
|
|
|
1690
|
|
|
1691 func LoadResourceData(module, resInfo Handle) (data []byte, err error) {
|
|
|
1692 size, err := SizeofResource(module, resInfo)
|
|
|
1693 if err != nil {
|
|
|
1694 return
|
|
|
1695 }
|
|
|
1696 resData, err := LoadResource(module, resInfo)
|
|
|
1697 if err != nil {
|
|
|
1698 return
|
|
|
1699 }
|
|
|
1700 ptr, err := LockResource(resData)
|
|
|
1701 if err != nil {
|
|
|
1702 return
|
|
|
1703 }
|
|
|
1704 h := (*unsafeheader.Slice)(unsafe.Pointer(&data))
|
|
|
1705 h.Data = unsafe.Pointer(ptr)
|
|
|
1706 h.Len = int(size)
|
|
|
1707 h.Cap = int(size)
|
|
|
1708 return
|
|
|
1709 }
|
