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// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package windows
import (
"sync"
"syscall"
"unsafe"
)
const (
ERROR_SHARING_VIOLATION syscall.Errno = 32
ERROR_LOCK_VIOLATION syscall.Errno = 33
ERROR_NOT_SUPPORTED syscall.Errno = 50
ERROR_CALL_NOT_IMPLEMENTED syscall.Errno = 120
ERROR_INVALID_NAME syscall.Errno = 123
ERROR_LOCK_FAILED syscall.Errno = 167
ERROR_NO_UNICODE_TRANSLATION syscall.Errno = 1113
)
const GAA_FLAG_INCLUDE_PREFIX = 0x00000010
const (
IF_TYPE_OTHER = 1
IF_TYPE_ETHERNET_CSMACD = 6
IF_TYPE_ISO88025_TOKENRING = 9
IF_TYPE_PPP = 23
IF_TYPE_SOFTWARE_LOOPBACK = 24
IF_TYPE_ATM = 37
IF_TYPE_IEEE80211 = 71
IF_TYPE_TUNNEL = 131
IF_TYPE_IEEE1394 = 144
)
type SocketAddress struct {
Sockaddr *syscall.RawSockaddrAny
SockaddrLength int32
}
type IpAdapterUnicastAddress struct {
Length uint32
Flags uint32
Next *IpAdapterUnicastAddress
Address SocketAddress
PrefixOrigin int32
SuffixOrigin int32
DadState int32
ValidLifetime uint32
PreferredLifetime uint32
LeaseLifetime uint32
OnLinkPrefixLength uint8
}
type IpAdapterAnycastAddress struct {
Length uint32
Flags uint32
Next *IpAdapterAnycastAddress
Address SocketAddress
}
type IpAdapterMulticastAddress struct {
Length uint32
Flags uint32
Next *IpAdapterMulticastAddress
Address SocketAddress
}
type IpAdapterDnsServerAdapter struct {
Length uint32
Reserved uint32
Next *IpAdapterDnsServerAdapter
Address SocketAddress
}
type IpAdapterPrefix struct {
Length uint32
Flags uint32
Next *IpAdapterPrefix
Address SocketAddress
PrefixLength uint32
}
type IpAdapterAddresses struct {
Length uint32
IfIndex uint32
Next *IpAdapterAddresses
AdapterName *byte
FirstUnicastAddress *IpAdapterUnicastAddress
FirstAnycastAddress *IpAdapterAnycastAddress
FirstMulticastAddress *IpAdapterMulticastAddress
FirstDnsServerAddress *IpAdapterDnsServerAdapter
DnsSuffix *uint16
Description *uint16
FriendlyName *uint16
PhysicalAddress [syscall.MAX_ADAPTER_ADDRESS_LENGTH]byte
PhysicalAddressLength uint32
Flags uint32
Mtu uint32
IfType uint32
OperStatus uint32
Ipv6IfIndex uint32
ZoneIndices [16]uint32
FirstPrefix *IpAdapterPrefix
/* more fields might be present here. */
}
const (
IfOperStatusUp = 1
IfOperStatusDown = 2
IfOperStatusTesting = 3
IfOperStatusUnknown = 4
IfOperStatusDormant = 5
IfOperStatusNotPresent = 6
IfOperStatusLowerLayerDown = 7
)
//sys GetAdaptersAddresses(family uint32, flags uint32, reserved uintptr, adapterAddresses *IpAdapterAddresses, sizePointer *uint32) (errcode error) = iphlpapi.GetAdaptersAddresses
//sys GetComputerNameEx(nameformat uint32, buf *uint16, n *uint32) (err error) = GetComputerNameExW
//sys MoveFileEx(from *uint16, to *uint16, flags uint32) (err error) = MoveFileExW
//sys GetModuleFileName(module syscall.Handle, fn *uint16, len uint32) (n uint32, err error) = kernel32.GetModuleFileNameW
const (
WSA_FLAG_OVERLAPPED = 0x01
WSA_FLAG_NO_HANDLE_INHERIT = 0x80
WSAEMSGSIZE syscall.Errno = 10040
MSG_PEEK = 0x2
MSG_TRUNC = 0x0100
MSG_CTRUNC = 0x0200
socket_error = uintptr(^uint32(0))
)
var WSAID_WSASENDMSG = syscall.GUID{
Data1: 0xa441e712,
Data2: 0x754f,
Data3: 0x43ca,
Data4: [8]byte{0x84, 0xa7, 0x0d, 0xee, 0x44, 0xcf, 0x60, 0x6d},
}
var WSAID_WSARECVMSG = syscall.GUID{
Data1: 0xf689d7c8,
Data2: 0x6f1f,
Data3: 0x436b,
Data4: [8]byte{0x8a, 0x53, 0xe5, 0x4f, 0xe3, 0x51, 0xc3, 0x22},
}
var sendRecvMsgFunc struct {
once sync.Once
sendAddr uintptr
recvAddr uintptr
err error
}
type WSAMsg struct {
Name *syscall.RawSockaddrAny
Namelen int32
Buffers *syscall.WSABuf
BufferCount uint32
Control syscall.WSABuf
Flags uint32
}
//sys WSASocket(af int32, typ int32, protocol int32, protinfo *syscall.WSAProtocolInfo, group uint32, flags uint32) (handle syscall.Handle, err error) [failretval==syscall.InvalidHandle] = ws2_32.WSASocketW
func loadWSASendRecvMsg() error {
sendRecvMsgFunc.once.Do(func() {
var s syscall.Handle
s, sendRecvMsgFunc.err = syscall.Socket(syscall.AF_INET, syscall.SOCK_DGRAM, syscall.IPPROTO_UDP)
if sendRecvMsgFunc.err != nil {
return
}
defer syscall.CloseHandle(s)
var n uint32
sendRecvMsgFunc.err = syscall.WSAIoctl(s,
syscall.SIO_GET_EXTENSION_FUNCTION_POINTER,
(*byte)(unsafe.Pointer(&WSAID_WSARECVMSG)),
uint32(unsafe.Sizeof(WSAID_WSARECVMSG)),
(*byte)(unsafe.Pointer(&sendRecvMsgFunc.recvAddr)),
uint32(unsafe.Sizeof(sendRecvMsgFunc.recvAddr)),
&n, nil, 0)
if sendRecvMsgFunc.err != nil {
return
}
sendRecvMsgFunc.err = syscall.WSAIoctl(s,
syscall.SIO_GET_EXTENSION_FUNCTION_POINTER,
(*byte)(unsafe.Pointer(&WSAID_WSASENDMSG)),
uint32(unsafe.Sizeof(WSAID_WSASENDMSG)),
(*byte)(unsafe.Pointer(&sendRecvMsgFunc.sendAddr)),
uint32(unsafe.Sizeof(sendRecvMsgFunc.sendAddr)),
&n, nil, 0)
})
return sendRecvMsgFunc.err
}
func WSASendMsg(fd syscall.Handle, msg *WSAMsg, flags uint32, bytesSent *uint32, overlapped *syscall.Overlapped, croutine *byte) error {
err := loadWSASendRecvMsg()
if err != nil {
return err
}
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)))
if r1 == socket_error {
if e1 != 0 {
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
}
return err
}
func WSARecvMsg(fd syscall.Handle, msg *WSAMsg, bytesReceived *uint32, overlapped *syscall.Overlapped, croutine *byte) error {
err := loadWSASendRecvMsg()
if err != nil {
return err
}
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)
if r1 == socket_error {
if e1 != 0 {
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
}
return err
}
const (
ComputerNameNetBIOS = 0
ComputerNameDnsHostname = 1
ComputerNameDnsDomain = 2
ComputerNameDnsFullyQualified = 3
ComputerNamePhysicalNetBIOS = 4
ComputerNamePhysicalDnsHostname = 5
ComputerNamePhysicalDnsDomain = 6
ComputerNamePhysicalDnsFullyQualified = 7
ComputerNameMax = 8
MOVEFILE_REPLACE_EXISTING = 0x1
MOVEFILE_COPY_ALLOWED = 0x2
MOVEFILE_DELAY_UNTIL_REBOOT = 0x4
MOVEFILE_WRITE_THROUGH = 0x8
MOVEFILE_CREATE_HARDLINK = 0x10
MOVEFILE_FAIL_IF_NOT_TRACKABLE = 0x20
)
func Rename(oldpath, newpath string) error {
from, err := syscall.UTF16PtrFromString(oldpath)
if err != nil {
return err
}
to, err := syscall.UTF16PtrFromString(newpath)
if err != nil {
return err
}
return MoveFileEx(from, to, MOVEFILE_REPLACE_EXISTING)
}
//sys LockFileEx(file syscall.Handle, flags uint32, reserved uint32, bytesLow uint32, bytesHigh uint32, overlapped *syscall.Overlapped) (err error) = kernel32.LockFileEx
//sys UnlockFileEx(file syscall.Handle, reserved uint32, bytesLow uint32, bytesHigh uint32, overlapped *syscall.Overlapped) (err error) = kernel32.UnlockFileEx
const (
LOCKFILE_FAIL_IMMEDIATELY = 0x00000001
LOCKFILE_EXCLUSIVE_LOCK = 0x00000002
)
const MB_ERR_INVALID_CHARS = 8
//sys GetACP() (acp uint32) = kernel32.GetACP
//sys GetConsoleCP() (ccp uint32) = kernel32.GetConsoleCP
//sys MultiByteToWideChar(codePage uint32, dwFlags uint32, str *byte, nstr int32, wchar *uint16, nwchar int32) (nwrite int32, err error) = kernel32.MultiByteToWideChar
//sys GetCurrentThread() (pseudoHandle syscall.Handle, err error) = kernel32.GetCurrentThread
const STYPE_DISKTREE = 0x00
type SHARE_INFO_2 struct {
Netname *uint16
Type uint32
Remark *uint16
Permissions uint32
MaxUses uint32
CurrentUses uint32
Path *uint16
Passwd *uint16
}
//sys NetShareAdd(serverName *uint16, level uint32, buf *byte, parmErr *uint16) (neterr error) = netapi32.NetShareAdd
//sys NetShareDel(serverName *uint16, netName *uint16, reserved uint32) (neterr error) = netapi32.NetShareDel
const (
FILE_NAME_NORMALIZED = 0x0
FILE_NAME_OPENED = 0x8
VOLUME_NAME_DOS = 0x0
VOLUME_NAME_GUID = 0x1
VOLUME_NAME_NONE = 0x4
VOLUME_NAME_NT = 0x2
)
//sys GetFinalPathNameByHandle(file syscall.Handle, filePath *uint16, filePathSize uint32, flags uint32) (n uint32, err error) = kernel32.GetFinalPathNameByHandleW
func LoadGetFinalPathNameByHandle() error {
return procGetFinalPathNameByHandleW.Find()
}
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